ref: d84248993018cff6ee20e10549ac56d947ebd817
parent: d74a2542f79ae3b033311fe6ddcbbc2f1fa475f9
author: Fabien Sanglard <[email protected]>
date: Fri Dec 14 04:39:27 EST 2012
Formatted code
--- a/Engine/src/engine.c
+++ b/Engine/src/engine.c
@@ -65,7 +65,7 @@
/* used to be static. --ryan. */
int32_t curbrightness = 0;
- /* Textured Map variables */
+/* Textured Map variables */
static uint8_t globalpolytype;
static short *dotp1[MAXYDIM], *dotp2[MAXYDIM];
@@ -243,16 +243,16 @@
unsigned short *shlookup_a = (unsigned short*)shlookup;
unsigned short *sqrtable_a = (unsigned short*)sqrtable;
unsigned short cx;
-
+
if (param & 0xff000000)
cx = shlookup_a[(param>>24)+4096];
else
cx = shlookup_a[param>>12];
-
+
param = param >> (cx&0xff);
param = ((param&0xffff0000)|sqrtable_a[param]);
param = param >> ((cx&0xff00)>>8);
-
+
return param;
}
@@ -295,9 +295,9 @@
}
/*
- FCS:
- Scan through sectors using portals (a portal is wall with a nextsector attribute >= 0).
- Flood is prevented if a portal does not face the POV.
+ FCS:
+ Scan through sectors using portals (a portal is wall with a nextsector attribute >= 0).
+ Flood is prevented if a portal does not face the POV.
*/
static void scansector (short sectnum)
{@@ -306,23 +306,23 @@
int32_t xs, ys, x1, y1, x2, y2, xp1, yp1, xp2=0, yp2=0, tempint;
short z, zz, startwall, endwall, numscansbefore, scanfirst, bunchfrst;
short nextsectnum;
-
+
if (sectnum < 0) return;
-
+
if (automapping) show2dsector[sectnum>>3] |= pow2char[sectnum&7];
-
+
sectorborder[0] = sectnum, sectorbordercnt = 1;
do
{sectnum = sectorborder[--sectorbordercnt];
-
+
//Add every script in the current sector as potentially visible.
for(z=headspritesect[sectnum];z>=0;z=nextspritesect[z])
{spr = &sprite[z];
if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) &&
- (spr->xrepeat > 0) && (spr->yrepeat > 0) &&
- (spritesortcnt < MAXSPRITESONSCREEN))
+ (spr->xrepeat > 0) && (spr->yrepeat > 0) &&
+ (spritesortcnt < MAXSPRITESONSCREEN))
{xs = spr->x-globalposx; ys = spr->y-globalposy;
if ((spr->cstat&48) || (xs*cosglobalang+ys*singlobalang > 0))
@@ -332,13 +332,13 @@
}
}
}
-
+
//Mark the current sector as "visited"
gotsector[sectnum>>3] |= pow2char[sectnum&7];
-
+
bunchfrst = numbunches;
numscansbefore = numscans;
-
+
startwall = sector[sectnum].wallptr;
endwall = startwall + sector[sectnum].wallnum;
scanfirst = numscans;
@@ -345,17 +345,17 @@
for(z=startwall,wal=&wall[z];z<endwall;z++,wal++)
{nextsectnum = wal->nextsector;
-
+
wal2 = &wall[wal->point2];
// In camera space the center is the player.
// Make the camera the center of the world for the 2 Wall endpoints (x,y)
- x1 = wal->x-globalposx;
+ x1 = wal->x-globalposx;
y1 = wal->y-globalposy;
x2 = wal2->x-globalposx;
y2 = wal2->y-globalposy;
-
+
// If this is a portal...
if ((nextsectnum >= 0) && ((wal->cstat&32) == 0))
//If this portal has not been visited yet.
@@ -374,7 +374,7 @@
sectorborder[sectorbordercnt++] = nextsectnum;
}
}
-
+
// Rotate the wall endpoint position according to the player orientation.
// This is a regular rotation matrix using [29.3] fixed point.
if ((z == startwall) || (wall[z-1].point2 != z))
@@ -398,10 +398,10 @@
// No idea what this is.
if ((yp1 < 256) && (yp2 < 256)) goto skipitaddwall;
-
+
/* If wall's NOT facing you */
if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) goto skipitaddwall;
-
+
// The wall is still not eligible for rendition: Let's do some more Frustrum culling !!
if (xp1 >= -yp1)
@@ -431,7 +431,7 @@
}
if (yb1[numscans] < 256)
goto skipitaddwall;
-
+
if (xp2 <= yp2)
{if ((xp2 < -yp2) || (yp2 == 0)) goto skipitaddwall;
@@ -449,21 +449,21 @@
yb2[numscans] = yp1 + scale(yp2-yp1,yp1-xp1,tempint);
}
if ((yb2[numscans] < 256) || (xb1[numscans] > xb2[numscans])) goto skipitaddwall;
-
- /* Made it all the way! */
- thesector[numscans] = sectnum;
+
+ /* Made it all the way! */
+ thesector[numscans] = sectnum;
thewall[numscans] = z;
-
+
//Save the camera space wall endpoints coordinate (camera origin at player location + rotated according to player orientation).
- rx1[numscans] = xp1;
+ rx1[numscans] = xp1;
ry1[numscans] = yp1;
- rx2[numscans] = xp2;
+ rx2[numscans] = xp2;
ry2[numscans] = yp2;
-
+
p2[numscans] = numscans+1;
numscans++;
-skipitaddwall:
-
+ skipitaddwall:
+
if ((wall[z].point2 < z) && (scanfirst < numscans))
{p2[numscans-1] = scanfirst;
@@ -470,7 +470,7 @@
scanfirst = numscans;
}
}
-
+
//FCS: TODO rename this p2[] to bunchList[] or something like that. This name is an abomination
for(z=numscansbefore;z<numscans;z++)
{@@ -480,14 +480,14 @@
p2[z] = -1;
}
}
-
+
//For each bunch, cache the last wall of the bunch in bunchlast.
for(z=bunchfrst;z<numbunches;z++)
{for(zz=bunchfirst[z];p2[zz]>=0;zz=p2[zz]);
- bunchlast[z] = zz;
+ bunchlast[z] = zz;
}
-
+
} while (sectorbordercnt > 0);
}
@@ -495,19 +495,19 @@
static void prepwall(int32_t z, walltype *wal)
{int32_t i, l=0, ol=0, splc, sinc, x, topinc, top, botinc, bot, walxrepeat;
-
+
walxrepeat = (wal->xrepeat<<3);
-
- /* lwall calculation */
+
+ /* lwall calculation */
i = xb1[z]-halfxdimen;
topinc = -(ry1[z]>>2);
botinc = ((ry2[z]-ry1[z])>>8);
top = mulscale5(rx1[z],xdimen)+mulscale2(topinc,i);
bot = mulscale11(rx1[z]-rx2[z],xdimen)+mulscale2(botinc,i);
-
+
splc = mulscale19(ry1[z],xdimscale);
sinc = mulscale16(ry2[z]-ry1[z],xdimscale);
-
+
x = xb1[z];
if (bot != 0)
{@@ -559,7 +559,7 @@
lwall[x+1] = mulscale18(l,walxrepeat);
}
}
-
+
if (lwall[xb1[z]] < 0) lwall[xb1[z]] = 0;
if ((lwall[xb2[z]] >= walxrepeat) && (walxrepeat)) lwall[xb2[z]] = walxrepeat-1;
if (wal->cstat&8)
@@ -579,15 +579,15 @@
static void hline (int32_t xr, int32_t yp)
{int32_t xl, r, s;
-
+
xl = lastx[yp]; if (xl > xr) return;
r = horizlookup2[yp-globalhoriz+horizycent];
asm1 = globalx1*r;
asm2 = globaly2*r;
s = ((int32_t)getpalookup((int32_t)mulscale16(r,globvis),globalshade)<<8);
-
+
hlineasm4(xr-xl,0L,s,globalx2*r+globalypanning,globaly1*r+globalxpanning,
- ylookup[yp]+xr+frameoffset);
+ ylookup[yp]+xr+frameoffset);
}
@@ -594,21 +594,21 @@
static void slowhline (int32_t xr, int32_t yp)
{int32_t xl, r;
-
+
xl = lastx[yp]; if (xl > xr) return;
r = horizlookup2[yp-globalhoriz+horizycent];
asm1 = globalx1*r;
asm2 = globaly2*r;
-
+
asm3 = (long)globalpalwritten + ((long)getpalookup((long)mulscale16(r,globvis),globalshade)<<8);
if (!(globalorientation&256))
{mhline(globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L,
- globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset);
+ globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset);
return;
}
thline(globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L,
- globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset);
+ globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset);
transarea += (xr-xl);
}
@@ -616,7 +616,7 @@
static int animateoffs(int16_t tilenum, int16_t fakevar)
{int32_t i, k, offs;
-
+
offs = 0;
i = (totalclocklock>>((picanm[tilenum]>>24)&15));
if ((picanm[tilenum]&63) > 0)
@@ -632,7 +632,7 @@
break;
case 128:
offs = (i%((picanm[tilenum]&63)+1));
- break;
+ break;
case 192:
offs = -(i%((picanm[tilenum]&63)+1));
}
@@ -646,7 +646,7 @@
{int32_t i, j, ox, oy, x, y1, y2, twall, bwall;
sectortype *sec;
-
+
sec = §or[sectnum];
if (palookup[sec->ceilingpal] != globalpalwritten)
{@@ -653,7 +653,7 @@
globalpalwritten = palookup[sec->ceilingpal];
setpalookupaddress(globalpalwritten);
}
-
+
globalzd = sec->ceilingz-globalposz;
if (globalzd > 0) return;
globalpicnum = sec->ceilingpicnum;
@@ -661,16 +661,16 @@
setgotpic(globalpicnum);
if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return;
if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,(short)sectnum);
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
globalbufplc = waloff[globalpicnum];
-
+
globalshade = (long)sec->ceilingshade;
globvis = globalcisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
globalorientation = (long)sec->ceilingstat;
-
-
+
+
if ((globalorientation&64) == 0)
{globalx1 = singlobalang; globalx2 = singlobalang;
@@ -688,7 +688,7 @@
globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i);
globalx2 = -globalx1;
globaly2 = -globaly1;
-
+
ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6);
i = dmulscale14(oy,cosglobalang,-ox,singlobalang);
j = dmulscale14(ox,cosglobalang,oy,singlobalang);
@@ -701,7 +701,7 @@
globalxshift = (8-(picsiz[globalpicnum]&15));
globalyshift = (8-(picsiz[globalpicnum]>>4));
if (globalorientation&8) { globalxshift++; globalyshift++; }-
+
if ((globalorientation&0x4) > 0)
{i = globalxpanning; globalxpanning = globalypanning; globalypanning = i;
@@ -717,9 +717,9 @@
globalypanning += (((long)sec->ceilingypanning)<<24);
globaly1 = (-globalx1-globaly1)*halfxdimen;
globalx2 = (globalx2-globaly2)*halfxdimen;
-
+
sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc);
-
+
globalx2 += globaly2*(x1-1);
globaly1 += globalx1*(x1-1);
globalx1 = mulscale16(globalx1,globalzd);
@@ -727,7 +727,7 @@
globaly1 = mulscale16(globaly1,globalzd);
globaly2 = mulscale16(globaly2,globalzd);
globvis = klabs(mulscale10(globvis,globalzd));
-
+
if (!(globalorientation&0x180))
{y1 = umost[x1]; y2 = y1;
@@ -761,7 +761,7 @@
faketimerhandler();
return;
}
-
+
switch(globalorientation&0x180)
{case 128:
@@ -776,7 +776,7 @@
tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4);
break;
}
-
+
y1 = umost[x1]; y2 = y1;
for(x=x1;x<=x2;x++)
{@@ -814,7 +814,7 @@
{int32_t i, j, ox, oy, x, y1, y2, twall, bwall;
sectortype *sec;
-
+
sec = §or[sectnum];
if (palookup[sec->floorpal] != globalpalwritten)
{@@ -821,7 +821,7 @@
globalpalwritten = palookup[sec->floorpal];
setpalookupaddress(globalpalwritten);
}
-
+
globalzd = globalposz-sec->floorz;
if (globalzd > 0) return;
globalpicnum = sec->floorpicnum;
@@ -829,16 +829,16 @@
setgotpic(globalpicnum);
if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return;
if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,(short)sectnum);
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
globalbufplc = waloff[globalpicnum];
-
+
globalshade = (long)sec->floorshade;
globvis = globalcisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
globalorientation = (long)sec->floorstat;
-
-
+
+
if ((globalorientation&64) == 0)
{globalx1 = singlobalang; globalx2 = singlobalang;
@@ -856,7 +856,7 @@
globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i);
globalx2 = -globalx1;
globaly2 = -globaly1;
-
+
ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6);
i = dmulscale14(oy,cosglobalang,-ox,singlobalang);
j = dmulscale14(ox,cosglobalang,oy,singlobalang);
@@ -869,7 +869,7 @@
globalxshift = (8-(picsiz[globalpicnum]&15));
globalyshift = (8-(picsiz[globalpicnum]>>4));
if (globalorientation&8) { globalxshift++; globalyshift++; }-
+
if ((globalorientation&0x4) > 0)
{i = globalxpanning; globalxpanning = globalypanning; globalypanning = i;
@@ -885,9 +885,9 @@
globalypanning += (((long)sec->floorypanning)<<24);
globaly1 = (-globalx1-globaly1)*halfxdimen;
globalx2 = (globalx2-globaly2)*halfxdimen;
-
+
sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc);
-
+
globalx2 += globaly2*(x1-1);
globaly1 += globalx1*(x1-1);
globalx1 = mulscale16(globalx1,globalzd);
@@ -895,7 +895,7 @@
globaly1 = mulscale16(globaly1,globalzd);
globaly2 = mulscale16(globaly2,globalzd);
globvis = klabs(mulscale10(globvis,globalzd));
-
+
if (!(globalorientation&0x180))
{y1 = max(dplc[x1],umost[x1]); y2 = y1;
@@ -929,7 +929,7 @@
faketimerhandler();
return;
}
-
+
switch(globalorientation&0x180)
{case 128:
@@ -944,7 +944,7 @@
tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4);
break;
}
-
+
y1 = max(dplc[x1],umost[x1]); y2 = y1;
for(x=x1;x<=x2;x++)
{@@ -1008,7 +1008,7 @@
int32_t i, x, xnice, ynice, fpalookup;
int32_t y1ve[4], y2ve[4], u4, d4, z, tsizx, tsizy;
uint8_t bad;
-
+
tsizx = tilesizx[globalpicnum];
tsizy = tilesizy[globalpicnum];
setgotpic(globalpicnum);
@@ -1015,29 +1015,29 @@
if ((tsizx <= 0) || (tsizy <= 0)) return;
if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return;
if ((dwal[x1] < 0) && (dwal[x2] < 0)) return;
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
-
+
xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx);
if (xnice) tsizx--;
ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy);
if (ynice) tsizy = (picsiz[globalpicnum]>>4);
-
+
fpalookup = (long)FP_OFF(palookup[globalpal]);
-
+
setupvlineasm(globalshiftval);
-
+
x = x1;
while ((umost[x] > dmost[x]) && (x <= x2)) x++;
-
+
for(;(x<=x2)&&((x+frameoffset)&3);x++)
{y1ve[0] = max(uwal[x],umost[x]);
y2ve[0] = min(dwal[x],dmost[x]);
if (y2ve[0] <= y1ve[0]) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
-
+
bufplce[0] = lwal[x] + globalxpanning;
if (bufplce[0] >= tsizx)
{@@ -1051,10 +1051,10 @@
bufplce[0] *= tsizy;
else
bufplce[0] <<= tsizy;
-
+
vince[0] = swal[x]*globalyscale;
vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1);
-
+
vlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],x+frameoffset+ylookup[y1ve[0]]);
}
for(;x<=x2-3;x+=4)
@@ -1070,21 +1070,21 @@
bad += pow2char[z];
continue;
}
-
+
i = lwal[x+z] + globalxpanning;
if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; }if (ynice == 0) i *= tsizy; else i <<= tsizy;
bufplce[z] = waloff[globalpicnum]+i;
-
+
vince[z] = swal[x+z]*globalyscale;
vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1);
}
if (bad == 15) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
palookupoffse[3] = fpalookup+(getpalookup((long)mulscale16(swal[x+3],globvis),globalshade)<<8);
-
+
if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0))
{palookupoffse[1] = palookupoffse[0];
@@ -1095,10 +1095,10 @@
palookupoffse[1] = fpalookup+(getpalookup((long)mulscale16(swal[x+1],globvis),globalshade)<<8);
palookupoffse[2] = fpalookup+(getpalookup((long)mulscale16(swal[x+2],globvis),globalshade)<<8);
}
-
+
u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3]));
d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3]));
-
+
if ((bad != 0) || (u4 >= d4))
{if (!(bad&1)) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+x+frameoffset+0);
@@ -1107,14 +1107,14 @@
if (!(bad&8)) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+x+frameoffset+3);
continue;
}
-
+
if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+x+frameoffset+0);
if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+x+frameoffset+1);
if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+x+frameoffset+2);
if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+x+frameoffset+3);
-
+
if (d4 >= u4) vlineasm4(d4-u4+1,ylookup[u4]+x+frameoffset);
-
+
i = x+frameoffset+ylookup[d4+1];
if (y2ve[0] > d4) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0);
if (y2ve[1] > d4) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1);
@@ -1126,16 +1126,16 @@
y1ve[0] = max(uwal[x],umost[x]);
y2ve[0] = min(dwal[x],dmost[x]);
if (y2ve[0] <= y1ve[0]) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
-
+
bufplce[0] = lwal[x] + globalxpanning;
if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; }if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy;
-
+
vince[0] = swal[x]*globalyscale;
vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1);
-
+
vlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],x+frameoffset+ylookup[y1ve[0]]);
}
faketimerhandler();
@@ -1150,7 +1150,7 @@
int32_t i, x, startx, xnice, ynice, fpalookup;
int32_t y1ve[4], y2ve[4], u4, d4, dax, z, p, tsizx, tsizy;
uint8_t bad;
-
+
tsizx = tilesizx[globalpicnum];
tsizy = tilesizy[globalpicnum];
setgotpic(globalpicnum);
@@ -1157,40 +1157,40 @@
if ((tsizx <= 0) || (tsizy <= 0)) return;
if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return;
if ((dwal[x1] < 0) && (dwal[x2] < 0)) return;
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
-
+
startx = x1;
-
+
xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx);
if (xnice) tsizx = (tsizx-1);
ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy);
if (ynice) tsizy = (picsiz[globalpicnum]>>4);
-
+
fpalookup = (long)FP_OFF(palookup[globalpal]);
-
+
setupmvlineasm(globalshiftval);
-
+
x = startx;
while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++;
-
+
p = x+frameoffset;
-
+
for(;(x<=x2)&&(p&3);x++,p++)
{y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1);
y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1);
if (y2ve[0] <= y1ve[0]) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
-
+
bufplce[0] = lwal[x] + globalxpanning;
if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; }if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy;
-
+
vince[0] = swal[x]*globalyscale;
vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1);
-
+
mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],p+ylookup[y1ve[0]]);
}
for(;x<=x2-3;x+=4,p+=4)
@@ -1201,20 +1201,20 @@
y1ve[z] = max(uwal[dax],startumost[dax+windowx1]-windowy1);
y2ve[z] = min(dwal[dax],startdmost[dax+windowx1]-windowy1)-1;
if (y2ve[z] < y1ve[z]) { bad += pow2char[z]; continue; }-
+
i = lwal[dax] + globalxpanning;
if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; }if (ynice == 0) i *= tsizy; else i <<= tsizy;
bufplce[z] = waloff[globalpicnum]+i;
-
+
vince[z] = swal[dax]*globalyscale;
vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1);
}
if (bad == 15) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
palookupoffse[3] = fpalookup+(getpalookup((long)mulscale16(swal[x+3],globvis),globalshade)<<8);
-
+
if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0))
{palookupoffse[1] = palookupoffse[0];
@@ -1225,10 +1225,10 @@
palookupoffse[1] = fpalookup+(getpalookup((long)mulscale16(swal[x+1],globvis),globalshade)<<8);
palookupoffse[2] = fpalookup+(getpalookup((long)mulscale16(swal[x+2],globvis),globalshade)<<8);
}
-
+
u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3]));
d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3]));
-
+
if ((bad > 0) || (u4 >= d4))
{if (!(bad&1)) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0);
@@ -1237,14 +1237,14 @@
if (!(bad&8)) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
continue;
}
-
+
if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0);
if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1);
if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2);
if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
-
+
if (d4 >= u4) mvlineasm4(d4-u4+1,ylookup[u4]+p);
-
+
i = p+ylookup[d4+1];
if (y2ve[0] > d4) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0);
if (y2ve[1] > d4) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1);
@@ -1256,16 +1256,16 @@
y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1);
y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1);
if (y2ve[0] <= y1ve[0]) continue;
-
+
palookupoffse[0] = fpalookup+(getpalookup((long)mulscale16(swal[x],globvis),globalshade)<<8);
-
+
bufplce[0] = lwal[x] + globalxpanning;
if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; }if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy;
-
+
vince[0] = swal[x]*globalyscale;
vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1);
-
+
mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],p+ylookup[y1ve[0]]);
}
faketimerhandler();
@@ -1278,9 +1278,9 @@
sectortype *sec;
int32_t j, k, l, m, n, x, z, wallnum, nextsectnum, globalhorizbak;
short *topptr, *botptr;
-
+
sectnum = thesector[bunchfirst[bunch]]; sec = §or[sectnum];
-
+
globalhorizbak = globalhoriz;
if (parallaxyscale != 65536)
globalhoriz = mulscale16(globalhoriz-(ydimen>>1),parallaxyscale) + (ydimen>>1);
@@ -1287,7 +1287,7 @@
globvis = globalpisibility;
/* globalorientation = 0L; */
if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
-
+
if (dastat == 0)
{globalpal = sec->ceilingpal;
@@ -1308,7 +1308,7 @@
topptr = dplc;
botptr = dmost;
}
-
+
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)sectnum);
globalshiftval = (picsiz[globalpicnum]>>4);
@@ -1317,21 +1317,21 @@
globalzd = (((tilesizy[globalpicnum]>>1)+parallaxyoffs)<<globalshiftval)+(globalypanning<<24);
globalyscale = (8<<(globalshiftval-19));
/*if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd;*/
-
+
k = 11 - (picsiz[globalpicnum]&15) - pskybits;
x = -1;
-
+
for(z=bunchfirst[bunch];z>=0;z=p2[z])
{wallnum = thewall[z]; nextsectnum = wall[wallnum].nextsector;
-
+
if (dastat == 0) j = sector[nextsectnum].ceilingstat;
- else j = sector[nextsectnum].floorstat;
-
+ else j = sector[nextsectnum].floorstat;
+
if ((nextsectnum < 0) || (wall[wallnum].cstat&32) || ((j&1) == 0))
{if (x == -1) x = xb1[z];
-
+
if (parallaxtype == 0)
{n = mulscale16(xdimenrecip,viewingrange);
@@ -1356,7 +1356,7 @@
{l = globalpicnum; m = (picsiz[globalpicnum]&15);
globalpicnum = l+pskyoff[lplc[x]>>m];
-
+
if (((lplc[x]^lplc[xb1[z]-1])>>m) == 0)
wallscan(x,xb1[z]-1,topptr,botptr,swplc,lplc);
else
@@ -1376,17 +1376,17 @@
if (j < x)
wallscan(j,x-1,topptr,botptr,swplc,lplc);
}
-
+
globalpicnum = l;
x = -1;
}
}
-
+
if (x >= 0)
{l = globalpicnum; m = (picsiz[globalpicnum]&15);
globalpicnum = l+pskyoff[lplc[x]>>m];
-
+
if (((lplc[x]^lplc[xb2[bunchlast[bunch]]])>>m) == 0)
wallscan(x,xb2[bunchlast[bunch]],topptr,botptr,swplc,lplc);
else
@@ -1420,9 +1420,9 @@
int32_t shoffs, shinc, m1, m2, *mptr1, *mptr2, *nptr1, *nptr2;
walltype *wal;
sectortype *sec;
-
+
sec = §or[sectnum];
-
+
if (dastat == 0)
{if (globalposz <= getceilzofslope((short) sectnum,globalposx,globalposy))
@@ -1445,12 +1445,12 @@
daslope = sec->floorheinum;
daz = sec->floorz;
}
-
+
if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs(globalpicnum,(short) sectnum);
setgotpic(globalpicnum);
if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return;
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
-
+
wal = &wall[sec->wallptr];
wx = wall[wal->point2].x - wal->x;
wy = wall[wal->point2].y - wal->y;
@@ -1457,7 +1457,7 @@
dasqr = krecipasm(nsqrtasm(wx*wx+wy*wy));
i = mulscale21(daslope,dasqr);
wx *= i; wy *= i;
-
+
globalx = -mulscale19(singlobalang,xdimenrecip);
globaly = mulscale19(cosglobalang,xdimenrecip);
globalx1 = (globalposx<<8);
@@ -1468,22 +1468,22 @@
globalzd = (xdimscale<<9);
globalzx = -dmulscale17(wx,globaly2,-wy,globalx2) + mulscale10(1-globalhoriz,globalzd);
globalz = -dmulscale25(wx,globaly,-wy,globalx);
-
+
if (globalorientation&64) /* Relative alignment */
{dx = mulscale14(wall[wal->point2].x-wal->x,dasqr);
dy = mulscale14(wall[wal->point2].y-wal->y,dasqr);
-
+
i = nsqrtasm(daslope*daslope+16777216);
-
+
x = globalx; y = globaly;
globalx = dmulscale16(x,dx,y,dy);
globaly = mulscale12(dmulscale16(-y,dx,x,dy),i);
-
+
x = ((wal->x-globalposx)<<8); y = ((wal->y-globalposy)<<8);
globalx1 = dmulscale16(-x,dx,-y,dy);
globaly1 = mulscale12(dmulscale16(-y,dx,x,dy),i);
-
+
x = globalx2; y = globaly2;
globalx2 = dmulscale16(x,dx,y,dy);
globaly2 = mulscale12(dmulscale16(-y,dx,x,dy),i);
@@ -1496,16 +1496,16 @@
}
if (globalorientation&0x10) { globalx1 = -globalx1, globalx2 = -globalx2, globalx = -globalx; } if (globalorientation&0x20) { globaly1 = -globaly1, globaly2 = -globaly2, globaly = -globaly; }-
+
daz = dmulscale9(wx,globalposy-wal->y,-wy,globalposx-wal->x) + ((daz-globalposz)<<8);
globalx2 = mulscale20(globalx2,daz); globalx = mulscale28(globalx,daz);
globaly2 = mulscale20(globaly2,-daz); globaly = mulscale28(globaly,-daz);
-
+
i = 8-(picsiz[globalpicnum]&15); j = 8-(picsiz[globalpicnum]>>4);
if (globalorientation&8) { i++; j++; }globalx1 <<= (i+12); globalx2 <<= i; globalx <<= i;
globaly1 <<= (j+12); globaly2 <<= j; globaly <<= j;
-
+
if (dastat == 0)
{globalx1 += (((long)sec->ceilingxpanning)<<24);
@@ -1516,28 +1516,28 @@
globalx1 += (((long)sec->floorxpanning)<<24);
globaly1 += (((long)sec->floorypanning)<<24);
}
-
+
asm1 = -(globalzd>>(16-BITSOFPRECISION));
-
+
globvis = globalvisibility;
if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
globvis = mulscale13(globvis,daz);
globvis = mulscale16(globvis,xdimscale);
j =(long) FP_OFF(palookup[globalpal]);
-
+
setupslopevlin(((long)(picsiz[globalpicnum]&15))+(((long)(picsiz[globalpicnum]>>4))<<8),waloff[globalpicnum],-ylookup[1]);
-
+
l = (globalzd>>16);
-
+
shinc = mulscale16(globalz,xdimenscale);
if (shinc > 0) shoffs = (4<<15); else shoffs = ((16380-ydimen)<<15); // JBF: was 2044 16380
if (dastat == 0) y1 = umost[dax1]; else y1 = max(umost[dax1],dplc[dax1]);
m1 = mulscale16(y1,globalzd) + (globalzx>>6);
- /* Avoid visibility overflow by crossing horizon */
+ /* Avoid visibility overflow by crossing horizon */
if (globalzd > 0) m1 += (globalzd>>16); else m1 -= (globalzd>>16);
m2 = m1+l;
mptr1 = (int32_t *)&slopalookup[y1+(shoffs>>15)]; mptr2 = mptr1+1;
-
+
for(x=dax1;x<=dax2;x++)
{ if (dastat == 0) { y1 = umost[x]; y2 = min(dmost[x],uplc[x])-1; }@@ -1556,12 +1556,12 @@
*mptr2++ = j + (getpalookup((long)mulscale24(krecipasm(m2),globvis),globalshade)<<8);
m2 += l;
}
-
+
globalx3 = (globalx2>>10);
globaly3 = (globaly2>>10);
- asm3 = mulscale16(y2,globalzd) + (globalzx>>6);
+ asm3 = mulscale16(y2,globalzd) + (globalzx>>6);
slopevlin(ylookup[y2]+x+frameoffset,krecipasm(asm3>>3),(long)nptr2,y2-y1+1,globalx1,globaly1);
-
+
if ((x&15) == 0) faketimerhandler();
}
globalx2 += globalx;
@@ -1576,33 +1576,33 @@
{int32_t bad, inty, xcross, y, yinc;
int32_t s1, s2, s3, s4, ix1, ix2, iy1, iy2, t;
-
+
z <<= 7;
s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]);
s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]);
bad = (z<s1)+((z<s2)<<1)+((z>s3)<<2)+((z>s4)<<3);
-
+
ix1 = xb1[w]; iy1 = yb1[w];
ix2 = xb2[w]; iy2 = yb2[w];
-
+
if ((bad&3) == 3)
{clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L);
return(bad);
}
-
+
if ((bad&12) == 12)
{clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16));
return(bad);
}
-
+
if (bad&3)
{t = divscale30(z-s1,s2-s1);
inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty);
-
+
if ((bad&3) == 2)
{ if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; }@@ -1614,13 +1614,13 @@
clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L);
}
}
-
+
if (bad&12)
{t = divscale30(z-s3,s4-s3);
inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty);
-
+
if ((bad&12) == 8)
{ if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; }@@ -1632,16 +1632,16 @@
clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16));
}
}
-
+
y = (scale(z,xdimenscale,iy1)<<4);
yinc = ((scale(z,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1);
qinterpolatedown16short((int32_t *)&mostbuf[ix1],ix2-ix1+1,y+(globalhoriz<<16),yinc);
-
+
if (mostbuf[ix1] < 0) mostbuf[ix1] = 0;
if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen;
if (mostbuf[ix2] < 0) mostbuf[ix2] = 0;
if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen;
-
+
return(bad);
}
@@ -1651,7 +1651,7 @@
int32_t bad, i, j, t, y, z, inty, intz, xcross, yinc, fw;
int32_t x1, y1, z1, x2, y2, z2, xv, yv, dx, dy, dasqr, oz1, oz2;
int32_t s1, s2, s3, s4, ix1, ix2, iy1, iy2;
-
+
if (dastat == 0)
{z = sector[sectnum].ceilingz-globalposz;
@@ -1662,21 +1662,21 @@
z = sector[sectnum].floorz-globalposz;
if ((sector[sectnum].floorstat&2) == 0) return(owallmost(mostbuf,w,z));
}
-
+
i = thewall[w];
if (i == sector[sectnum].wallptr) return(owallmost(mostbuf,w,z));
-
+
x1 = wall[i].x; x2 = wall[wall[i].point2].x-x1;
y1 = wall[i].y; y2 = wall[wall[i].point2].y-y1;
-
+
fw = sector[sectnum].wallptr; i = wall[fw].point2;
dx = wall[i].x-wall[fw].x; dy = wall[i].y-wall[fw].y;
dasqr = krecipasm(nsqrtasm(dx*dx+dy*dy));
-
+
if (xb1[w] == 0)
- { xv = cosglobalang+sinviewingrangeglobalang; yv = singlobalang-cosviewingrangeglobalang; }+ { xv = cosglobalang+sinviewingrangeglobalang; yv = singlobalang-cosviewingrangeglobalang; }else
- { xv = x1-globalposx; yv = y1-globalposy; }+ { xv = x1-globalposx; yv = y1-globalposy; }i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2;
if (klabs(j) > klabs(i>>3)) i = divscale28(i,j);
if (dastat == 0)
@@ -1690,13 +1690,13 @@
z1 = sector[sectnum].floorz;
}
z1 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8),
- -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z1-globalposz)<<7);
-
-
+ -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z1-globalposz)<<7);
+
+
if (xb2[w] == xdimen-1)
- { xv = cosglobalang-sinviewingrangeglobalang; yv = singlobalang+cosviewingrangeglobalang; }+ { xv = cosglobalang-sinviewingrangeglobalang; yv = singlobalang+cosviewingrangeglobalang; }else
- { xv = (x2+x1)-globalposx; yv = (y2+y1)-globalposy; }+ { xv = (x2+x1)-globalposx; yv = (y2+y1)-globalposy; }i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2;
if (klabs(j) > klabs(i>>3)) i = divscale28(i,j);
if (dastat == 0)
@@ -1710,43 +1710,43 @@
z2 = sector[sectnum].floorz;
}
z2 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8),
- -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z2-globalposz)<<7);
-
-
+ -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z2-globalposz)<<7);
+
+
s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]);
s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]);
bad = (z1<s1)+((z2<s2)<<1)+((z1>s3)<<2)+((z2>s4)<<3);
-
+
ix1 = xb1[w]; ix2 = xb2[w];
iy1 = yb1[w]; iy2 = yb2[w];
oz1 = z1; oz2 = z2;
-
+
if ((bad&3) == 3)
{clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L);
return(bad);
}
-
+
if ((bad&12) == 12)
{clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16));
return(bad);
}
-
+
if (bad&3)
{- /* inty = intz / (globaluclip>>16) */
+ /* inty = intz / (globaluclip>>16) */
t = divscale30(oz1-s1,s2-s1+oz1-oz2);
inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
intz = oz1 + mulscale30(oz2-oz1,t);
xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty);
-
+
/*
* t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
* inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
* intz = z1 + mulscale30(z2-z1,t);
*/
-
+
if ((bad&3) == 2)
{ if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }@@ -1758,21 +1758,21 @@
clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L);
}
}
-
+
if (bad&12)
{- /* inty = intz / (globaldclip>>16) */
+ /* inty = intz / (globaldclip>>16) */
t = divscale30(oz1-s3,s4-s3+oz1-oz2);
inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
intz = oz1 + mulscale30(oz2-oz1,t);
xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty);
-
+
/*
* t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
* inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
* intz = z1 + mulscale30(z2-z1,t);
*/
-
+
if ((bad&12) == 8)
{ if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }@@ -1784,16 +1784,16 @@
clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16));
}
}
-
+
y = (scale(z1,xdimenscale,iy1)<<4);
yinc = ((scale(z2,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1);
qinterpolatedown16short((int32_t *)&mostbuf[ix1],ix2-ix1+1,y+(globalhoriz<<16),yinc);
-
+
if (mostbuf[ix1] < 0) mostbuf[ix1] = 0;
if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen;
if (mostbuf[ix2] < 0) mostbuf[ix2] = 0;
if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen;
-
+
return(bad);
}
@@ -1806,10 +1806,10 @@
int32_t z, wallnum, sectnum, nextsectnum;
int32_t startsmostwallcnt, startsmostcnt, gotswall;
uint8_t andwstat1, andwstat2;
-
+
z = bunchfirst[bunch];
sectnum = thesector[z]; sec = §or[sectnum];
-
+
andwstat1 = 0xff; andwstat2 = 0xff;
for(;z>=0;z=p2[z]) /* uplc/dplc calculation */
{@@ -1816,7 +1816,7 @@
andwstat1 &= wallmost(uplc,z,sectnum,(uint8_t )0);
andwstat2 &= wallmost(dplc,z,sectnum,(uint8_t )1);
}
-
+
if ((andwstat1&3) != 3) /* draw ceilings */
{if ((sec->ceilingstat&3) == 2)
@@ -1835,8 +1835,8 @@
else
parascan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,1,bunch);
}
-
- /* DRAW WALLS SECTION! */
+
+ /* DRAW WALLS SECTION! */
for(z=bunchfirst[bunch];z>=0;z=p2[z])
{x1 = xb1[z]; x2 = xb2[z];
@@ -1852,15 +1852,15 @@
continue;
}
}
-
+
wallnum = thewall[z]; wal = &wall[wallnum];
nextsectnum = wal->nextsector; nextsec = §or[nextsectnum];
-
+
gotswall = 0;
-
+
startsmostwallcnt = smostwallcnt;
startsmostcnt = smostcnt;
-
+
if ((searchit == 2) && (searchx >= x1) && (searchx <= x2))
{if (searchy <= uplc[searchx]) /* ceiling */
@@ -1874,7 +1874,7 @@
searchstat = 2; searchit = 1;
}
}
-
+
if (nextsectnum >= 0)
{getzsofslope((short)sectnum,wal->x,wal->y,&cz[0],&fz[0]);
@@ -1882,9 +1882,9 @@
getzsofslope((short)nextsectnum,wal->x,wal->y,&cz[2],&fz[2]);
getzsofslope((short)nextsectnum,wall[wal->point2].x,wall[wal->point2].y,&cz[3],&fz[3]);
getzsofslope((short)nextsectnum,globalposx,globalposy,&cz[4],&fz[4]);
-
+
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = z;
-
+
if (((sec->ceilingstat&1) == 0) || ((nextsec->ceilingstat&1) == 0))
{if ((cz[2] <= cz[0]) && (cz[3] <= cz[1]))
@@ -1903,7 +1903,7 @@
wallmost(dwall,z,nextsectnum,(uint8_t )0);
if ((cz[2] > fz[0]) || (cz[3] > fz[1]))
for(i=x1;i<=x2;i++) if (dwall[i] > dplc[i]) dwall[i] = dplc[i];
-
+
if ((searchit == 2) && (searchx >= x1) && (searchx <= x2))
if (searchy <= dwall[searchx]) /* wall */
{@@ -1910,7 +1910,7 @@
searchsector = sectnum; searchwall = wallnum;
searchstat = 0; searchit = 1;
}
-
+
globalorientation = (long)wal->cstat;
globalpicnum = wal->picnum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
@@ -1931,10 +1931,10 @@
globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8);
globalzd += (globalypanning<<24);
if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd;
-
+
if (gotswall == 0) { gotswall = 1; prepwall(z,wal); }wallscan(x1,x2,uplc,dwall,swall,lwall);
-
+
if ((cz[2] >= cz[0]) && (cz[3] >= cz[1]))
{for(x=x1;x<=x2;x++)
@@ -1991,7 +1991,7 @@
wallmost(uwall,z,nextsectnum,(uint8_t )1);
if ((fz[2] < cz[0]) || (fz[3] < cz[1]))
for(i=x1;i<=x2;i++) if (uwall[i] < uplc[i]) uwall[i] = uplc[i];
-
+
if ((searchit == 2) && (searchx >= x1) && (searchx <= x2))
if (searchy >= uwall[searchx]) /* wall */
{@@ -1999,7 +1999,7 @@
if ((wal->cstat&2) > 0) searchwall = wal->nextwall;
searchstat = 0; searchit = 1;
}
-
+
if ((wal->cstat&2) > 0)
{wallnum = wal->nextwall; wal = &wall[wallnum];
@@ -2036,10 +2036,10 @@
globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8);
globalzd += (globalypanning<<24);
if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd;
-
+
if (gotswall == 0) { gotswall = 1; prepwall(z,wal); }wallscan(x1,x2,uwall,dplc,swall,lwall);
-
+
if ((fz[2] <= fz[0]) && (fz[3] <= fz[1]))
{for(x=x1;x<=x2;x++)
@@ -2087,12 +2087,12 @@
{for(x=x1;x<x2;x++)
if (umost[x] < dmost[x])
- { scansector((short) nextsectnum); break; }-
- /*
- * If can't see sector beyond, then cancel smost array and just
- * store wall!
- */
+ { scansector((short) nextsectnum); break; }+
+ /*
+ * If can't see sector beyond, then cancel smost array and just
+ * store wall!
+ */
if (x == x2)
{smostwallcnt = startsmostwallcnt;
@@ -2108,7 +2108,7 @@
{globalorientation = (long)wal->cstat;
if (nextsectnum < 0) globalpicnum = wal->picnum;
- else globalpicnum = wal->overpicnum;
+ else globalpicnum = wal->overpicnum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
globalxpanning = (long)wal->xpanning;
globalypanning = (long)wal->ypanning;
@@ -2124,26 +2124,26 @@
if (nextsectnum >= 0)
{if ((globalorientation&4) == 0) globalzd = globalposz-nextsec->ceilingz;
- else globalzd = globalposz-sec->ceilingz;
+ else globalzd = globalposz-sec->ceilingz;
}
else
{if ((globalorientation&4) == 0) globalzd = globalposz-sec->ceilingz;
- else globalzd = globalposz-sec->floorz;
+ else globalzd = globalposz-sec->floorz;
}
globalzd = ((globalzd*globalyscale)<<8) + (globalypanning<<24);
if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd;
-
+
if (gotswall == 0) { gotswall = 1; prepwall(z,wal); }wallscan(x1,x2,uplc,dplc,swall,lwall);
-
+
for(x=x1;x<=x2;x++)
if (umost[x] <= dmost[x])
- { umost[x] = 1; dmost[x] = 0; numhits--; }+ { umost[x] = 1; dmost[x] = 0; numhits--; }smostwall[smostwallcnt] = z;
smostwalltype[smostwallcnt] = 0;
smostwallcnt++;
-
+
if ((searchit == 2) && (searchx >= x1) && (searchx <= x2))
{searchit = 1; searchsector = sectnum; searchwall = wallnum;
@@ -2157,7 +2157,7 @@
static void dosetaspect(void)
{int32_t i, j, k, x, xinc;
-
+
if (xyaspect != oxyaspect)
{oxyaspect = xyaspect;
@@ -2195,12 +2195,12 @@
{walltype *wal;
int32_t x11, y11, x21, y21, x12, y12, x22, y22, dx, dy, t1, t2;
-
+
wal = &wall[thewall[l1]]; x11 = wal->x; y11 = wal->y;
wal = &wall[wal->point2]; x21 = wal->x; y21 = wal->y;
wal = &wall[thewall[l2]]; x12 = wal->x; y12 = wal->y;
wal = &wall[wal->point2]; x22 = wal->x; y22 = wal->y;
-
+
dx = x21-x11; dy = y21-y11;
t1 = dmulscale2(x12-x11,dy,-dx,y12-y11); /* p1(l2) vs. l1 */
t2 = dmulscale2(x22-x11,dy,-dx,y22-y11); /* p2(l2) vs. l1 */
@@ -2211,7 +2211,7 @@
t2 = dmulscale2(globalposx-x11,dy,-dx,globalposy-y11); /* pos vs. l1 */
return((t2^t1) >= 0);
}
-
+
dx = x22-x12; dy = y22-y12;
t1 = dmulscale2(x11-x12,dy,-dx,y11-y12); /* p1(l1) vs. l2 */
t2 = dmulscale2(x21-x12,dy,-dx,y21-y12); /* p2(l1) vs. l2 */
@@ -2229,12 +2229,12 @@
static int bunchfront(int32_t b1, int32_t b2)
{int32_t x1b1, x2b1, x1b2, x2b2, b1f, b2f, i;
-
+
b1f = bunchfirst[b1]; x1b1 = xb1[b1f]; x2b2 = xb2[bunchlast[b2]]+1;
if (x1b1 >= x2b2) return(-1);
b2f = bunchfirst[b2]; x1b2 = xb1[b2f]; x2b1 = xb2[bunchlast[b1]]+1;
if (x1b2 >= x2b1) return(-1);
-
+
if (x1b1 >= x1b2)
{for(i=b2f;xb2[i]<x1b1;i=p2[i]);
@@ -2250,31 +2250,31 @@
{int32_t i, j, z, cz, fz, closest;
short *shortptr1, *shortptr2;
-
+
beforedrawrooms = 0;
totalarea += (windowx2+1-windowx1)*(windowy2+1-windowy1);
-
+
globalposx = daposx; globalposy = daposy; globalposz = daposz;
globalang = (daang&2047);
-
+
globalhoriz = mulscale16(dahoriz-100,xdimenscale)+(ydimen>>1);
globaluclip = (0-globalhoriz)*xdimscale;
globaldclip = (ydimen-globalhoriz)*xdimscale;
-
+
i = mulscale16(xdimenscale,viewingrangerecip);
globalpisibility = mulscale16(parallaxvisibility,i);
globalvisibility = mulscale16(visibility,i);
globalhisibility = mulscale16(globalvisibility,xyaspect);
globalcisibility = mulscale8(globalhisibility,320);
-
+
globalcursectnum = dacursectnum;
totalclocklock = totalclock;
-
+
cosglobalang = sintable[(globalang+512)&2047];
singlobalang = sintable[globalang&2047];
cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange);
sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange);
-
+
if ((stereomode != 0) || (vidoption == 6))
{if (stereopixelwidth != ostereopixelwidth)
@@ -2284,7 +2284,7 @@
xdimenrecip = divscale32(1L,xdimen);
setaspect((long)divscale16(xdimen,windowx2-windowx1+1),yxaspect);
}
-
+
if ((!(activepage&1)) ^ inpreparemirror)
{ for(i=windowx1;i<windowx1+(stereopixelwidth<<1);i++) { startumost[i] = 1, startdmost[i] = 0; }@@ -2303,14 +2303,14 @@
globalposy -= mulscale24(cosglobalang,i);
if (vidoption == 6) frameplace = (long)FP_OFF(screen)+(activepage&1)*65536;
}
-
+
if ((xyaspect != oxyaspect) || (xdimen != oxdimen) || (viewingrange != oviewingrange))
dosetaspect();
-
+
frameoffset = frameplace+viewoffset;
-
+
clearbufbyte(&gotsector[0],(long)((numsectors+7)>>3),0L);
-
+
shortptr1 = (short *)&startumost[windowx1];
shortptr2 = (short *)&startdmost[windowx1];
i = xdimen-1;
@@ -2322,25 +2322,25 @@
} while (i != 0);
umost[0] = shortptr1[0]-windowy1;
dmost[0] = shortptr2[0]-windowy1;
-
-/*
- * every cycle counts...and the CRC gets checked at the start, so this only
- * would trigger only if they've changed it in memory after loading (and what
- * would anyone do that for on purpose?), or if they've just defeated the
- * first CRC check...but if they've hacked the binary/source in that way,
- * then they'll just take this check out, too. In short, it ain't worth it.
- *
- * --ryan.
- */
+
+ /*
+ * every cycle counts...and the CRC gets checked at the start, so this only
+ * would trigger only if they've changed it in memory after loading (and what
+ * would anyone do that for on purpose?), or if they've just defeated the
+ * first CRC check...but if they've hacked the binary/source in that way,
+ * then they'll just take this check out, too. In short, it ain't worth it.
+ *
+ * --ryan.
+ */
#if 0
if (smostwallcnt < 0)
if (getkensmessagecrc(FP_OFF(kensmessage)) != 0x56c764d4)
- { setvmode(0x3); printf("Nice try.\n"); Error(EXIT_SUCCESS, ""); }+ { setvmode(0x3); printf("Nice try.\n"); Error(EXIT_SUCCESS, ""); }#endif
-
+
numhits = xdimen; numscans = 0; numbunches = 0;
maskwallcnt = 0; smostwallcnt = 0; smostcnt = 0; spritesortcnt = 0;
-
+
if (globalcursectnum >= MAXSECTORS)
globalcursectnum -= MAXSECTORS;
else
@@ -2349,15 +2349,15 @@
updatesector(globalposx,globalposy,&globalcursectnum);
if (globalcursectnum < 0) globalcursectnum = i;
}
-
+
globparaceilclip = 1;
globparaflorclip = 1;
getzsofslope(globalcursectnum,globalposx,globalposy,&cz,&fz);
if (globalposz < cz) globparaceilclip = 0;
if (globalposz > fz) globparaflorclip = 0;
-
+
scansector(globalcursectnum);
-
+
if (inpreparemirror)
{inpreparemirror = 0;
@@ -2368,34 +2368,34 @@
if (xb1[i] < mirrorsx1) mirrorsx1 = xb1[i];
if (xb2[i] > mirrorsx2) mirrorsx2 = xb2[i];
}
-
+
if (stereomode)
{mirrorsx1 += (stereopixelwidth<<1);
mirrorsx2 += (stereopixelwidth<<1);
}
-
+
for(i=0;i<mirrorsx1;i++)
if (umost[i] <= dmost[i])
- { umost[i] = 1; dmost[i] = 0; numhits--; }+ { umost[i] = 1; dmost[i] = 0; numhits--; }for(i=mirrorsx2+1;i<xdimen;i++)
if (umost[i] <= dmost[i])
- { umost[i] = 1; dmost[i] = 0; numhits--; }-
+ { umost[i] = 1; dmost[i] = 0; numhits--; }+
drawalls(0L);
numbunches--;
bunchfirst[0] = bunchfirst[numbunches];
bunchlast[0] = bunchlast[numbunches];
-
+
mirrorsy1 = min(umost[mirrorsx1],umost[mirrorsx2]);
mirrorsy2 = max(dmost[mirrorsx1],dmost[mirrorsx2]);
}
-
+
while ((numbunches > 0) && (numhits > 0))
{clearbuf(&tempbuf[0],(long)((numbunches+3)>>2),0L);
tempbuf[0] = 1;
-
+
closest = 0; /* Almost works, but not quite :( */
for(i=1;i<numbunches;i++)
{@@ -2410,16 +2410,16 @@
tempbuf[i] = 1;
if (j == 0) tempbuf[closest] = 1, closest = i, i = 0;
}
-
+
//Draw every solid walls in the bunch "closest"
drawalls(closest);
-
+
if (automapping)
{for(z=bunchfirst[closest];z>=0;z=p2[z])
show2dwall[thewall[z]>>3] |= pow2char[thewall[z]&7];
}
-
+
numbunches--;
bunchfirst[closest] = bunchfirst[numbunches];
bunchlast[closest] = bunchlast[numbunches];
@@ -2431,7 +2431,7 @@
{walltype *wal;
int32_t x1, y1;
-
+
wal = &wall[w]; x1 = wal->x; y1 = wal->y;
wal = &wall[wal->point2];
return (dmulscale32(wal->x-x1,s->y-y1,-(s->x-x1),wal->y-y1) >= 0);
@@ -2442,27 +2442,27 @@
{int32_t vplc, vinc, p, i, palookupoffs, bufplc;
short y1v, y2v;
-
+
if ((x < 0) || (x >= xdimen)) return;
-
+
y1v = max(uwall[x],startumost[x+windowx1]-windowy1);
y2v = min(dwall[x],startdmost[x+windowx1]-windowy1);
y2v--;
if (y2v < y1v) return;
-
+
palookupoffs = (long)FP_OFF(palookup[globalpal]) + (getpalookup((long)mulscale16(swall[x],globvis),globalshade)<<8);
-
+
vinc = swall[x]*globalyscale;
vplc = globalzd + vinc*(y1v-globalhoriz+1);
-
+
i = lwall[x]+globalxpanning;
if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum];
bufplc = waloff[globalpicnum]+i*tilesizy[globalpicnum];
-
+
p = ylookup[y1v]+x+frameoffset;
-
+
tvlineasm1(vinc,palookupoffs,y2v-y1v,vplc,bufplc,p);
-
+
transarea += y2v-y1v;
}
@@ -2470,12 +2470,12 @@
{int32_t i, y1, y2, x2;
short y1ve[2], y2ve[2];
-
+
if ((x < 0) || (x >= xdimen)) return;
if (x == xdimen-1) { transmaskvline(x); return; }-
+
x2 = x+1;
-
+
y1ve[0] = max(uwall[x],startumost[x+windowx1]-windowy1);
y2ve[0] = min(dwall[x],startdmost[x+windowx1]-windowy1)-1;
if (y2ve[0] < y1ve[0]) { transmaskvline(x2); return; }@@ -2482,30 +2482,30 @@
y1ve[1] = max(uwall[x2],startumost[x2+windowx1]-windowy1);
y2ve[1] = min(dwall[x2],startdmost[x2+windowx1]-windowy1)-1;
if (y2ve[1] < y1ve[1]) { transmaskvline(x); return; }-
+
palookupoffse[0] = (long)FP_OFF(palookup[globalpal]) + (getpalookup((long)mulscale16(swall[x],globvis),globalshade)<<8);
palookupoffse[1] = (long)FP_OFF(palookup[globalpal]) + (getpalookup((long)mulscale16(swall[x2],globvis),globalshade)<<8);
-
+
setuptvlineasm2(globalshiftval,palookupoffse[0],palookupoffse[1]);
-
+
vince[0] = swall[x]*globalyscale;
vince[1] = swall[x2]*globalyscale;
vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1);
vplce[1] = globalzd + vince[1]*(y1ve[1]-globalhoriz+1);
-
+
i = lwall[x] + globalxpanning;
if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum];
bufplce[0] = waloff[globalpicnum]+i*tilesizy[globalpicnum];
-
+
i = lwall[x2] + globalxpanning;
if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum];
bufplce[1] = waloff[globalpicnum]+i*tilesizy[globalpicnum];
-
+
y1 = max(y1ve[0],y1ve[1]);
y2 = min(y2ve[0],y2ve[1]);
-
+
i = x+frameoffset;
-
+
if (y1ve[0] != y1ve[1])
{if (y1ve[0] < y1)
@@ -2513,7 +2513,7 @@
else
vplce[1] = tvlineasm1(vince[1],palookupoffse[1],y1-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+i+1);
}
-
+
if (y2 > y1)
{asm1 = vince[1];
@@ -2526,12 +2526,12 @@
asm1 = vplce[0];
asm2 = vplce[1];
}
-
+
if (y2ve[0] > y2ve[1])
tvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y2-1,asm1,bufplce[0],ylookup[y2+1]+i);
else if (y2ve[0] < y2ve[1])
tvlineasm1(vince[1],palookupoffse[1],y2ve[1]-y2-1,asm2,bufplce[1],ylookup[y2+1]+i+1);
-
+
faketimerhandler();
}
@@ -2538,14 +2538,14 @@
static void transmaskwallscan(int32_t x1, int32_t x2)
{int32_t x;
-
+
setgotpic(globalpicnum);
if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return;
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
-
+
setuptvlineasm(globalshiftval);
-
+
x = x1;
while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++;
if ((x <= x2) && (x&1)) transmaskvline(x), x++;
@@ -2562,33 +2562,33 @@
sectortype *sect;
spritetype *s;
walltype *w;
-
+
x = 0;
-
+
// FIX_00058: Save/load game crash in both single and multiplayer
// We have to reset those arrays since the same
- // arrays are used as temporary space in the
+ // arrays are used as temporary space in the
// compilecons() function like "label = (uint8_t *)&sprite[0];"
- // to save memory space I guess.
- // Not reseting the array will leave dumps fooling
+ // to save memory space I guess.
+ // Not reseting the array will leave dumps fooling
// the function saveplayer(), eg at if(actorscrptr[PN] == 0)
// where PN is sprite[i].picnum was beyong actorscrptr[] size)
memset(sprite, 0, sizeof(sprite));
memset(sector, 0, sizeof(sector));
memset(wall, 0, sizeof(wall));
-
+
if ((fil = kopen4load(filename, 0)) == -1)
- { mapversion = 7L; return(-1); }-
+ { mapversion = 7L; return(-1); }+
kread32(fil,&mapversion);
if (mapversion != 7L) return(-1);
-
+
initspritelists();
-
+
clearbuf(&show2dsector[0],(long)((MAXSECTORS+3)>>5),0L);
clearbuf(&show2dsprite[0],(long)((MAXSPRITES+3)>>5),0L);
clearbuf(&show2dwall[0],(long)((MAXWALLS+3)>>5),0L);
-
+
kread32(fil,daposx);
kread32(fil,daposy);
kread32(fil,daposz);
@@ -2595,7 +2595,7 @@
kread16(fil,daang);
kread16(fil,dacursectnum);
kread16(fil,&numsectors);
-
+
for (x = 0, sect = §or[0]; x < numsectors; x++, sect++)
{kread16(fil,§->wallptr);
@@ -2622,7 +2622,7 @@
kread16(fil,§->hitag);
kread16(fil,§->extra);
}
-
+
kread16(fil,&numwalls);
for (x = 0, w = &wall[0]; x < numwalls; x++, w++)
{@@ -2634,17 +2634,17 @@
kread16(fil,&w->cstat);
kread16(fil,&w->picnum);
kread16(fil,&w->overpicnum);
- kread8(fil,(uint8_t *)&w->shade);
- kread8(fil,&w->pal);
- kread8(fil,&w->xrepeat);
- kread8(fil,&w->yrepeat);
- kread8(fil,&w->xpanning);
- kread8(fil,&w->ypanning);
+ kread8(fil,(uint8_t *)&w->shade);
+ kread8(fil,&w->pal);
+ kread8(fil,&w->xrepeat);
+ kread8(fil,&w->yrepeat);
+ kread8(fil,&w->xpanning);
+ kread8(fil,&w->ypanning);
kread16(fil,&w->lotag);
kread16(fil,&w->hitag);
kread16(fil,&w->extra);
}
-
+
kread16(fil,&numsprites);
for (x = 0, s = &sprite[0]; x < numsprites; x++, s++)
{@@ -2653,14 +2653,14 @@
kread32(fil,&s->z);
kread16(fil,&s->cstat);
kread16(fil,&s->picnum);
- kread8(fil,(uint8_t *)&s->shade);
- kread8(fil,(uint8_t *)&s->pal);
- kread8(fil,(uint8_t *)&s->clipdist);
- kread8(fil,(uint8_t *)&s->filler);
- kread8(fil,(uint8_t *)&s->xrepeat);
- kread8(fil,(uint8_t *)&s->yrepeat);
- kread8(fil,(uint8_t *)&s->xoffset);
- kread8(fil,(uint8_t *)&s->yoffset);
+ kread8(fil,(uint8_t *)&s->shade);
+ kread8(fil,(uint8_t *)&s->pal);
+ kread8(fil,(uint8_t *)&s->clipdist);
+ kread8(fil,(uint8_t *)&s->filler);
+ kread8(fil,(uint8_t *)&s->xrepeat);
+ kread8(fil,(uint8_t *)&s->yrepeat);
+ kread8(fil,(uint8_t *)&s->xoffset);
+ kread8(fil,(uint8_t *)&s->yoffset);
kread16(fil,&s->sectnum);
kread16(fil,&s->statnum);
kread16(fil,&s->ang);
@@ -2672,22 +2672,22 @@
kread16(fil,&s->hitag);
kread16(fil,&s->extra);
}
-
-
+
+
for(i=0;i<numsprites;i++)
insertsprite(sprite[i].sectnum,sprite[i].statnum);
-
- /* Must be after loading sectors, etc! */
+
+ /* Must be after loading sectors, etc! */
updatesector(*daposx,*daposy,dacursectnum);
-
+
kclose(fil);
-
+
// FIX_00009: Show map CRC and GRP file version of each player in case of Out Of Synch
-
+
mapCRC = crc16((uint8_t *)sector, numsectors*sizeof(sectortype));
mapCRC += crc16((uint8_t *)wall, numwalls*sizeof(walltype));
mapCRC += crc16((uint8_t *)sprite, numsprites*sizeof(spritetype));
-
+
return(0);
}
@@ -2719,13 +2719,13 @@
int permissions = 0;
walltype *w;
sectortype *sect;
-
- #if ((defined PLATFORM_DOS) || (defined PLATFORM_WIN32))
- permissions = S_IWRITE;
- #elif (defined PLATFORM_UNIX)
- permissions = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
- #endif
-
+
+#if ((defined PLATFORM_DOS) || (defined PLATFORM_WIN32))
+ permissions = S_IWRITE;
+#elif (defined PLATFORM_UNIX)
+ permissions = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+#endif
+
if ((fil = open(filename,
O_BINARY|O_TRUNC|O_CREAT|O_WRONLY,
permissions)) == -1)
@@ -2732,15 +2732,15 @@
{return(-1);
}
-
+
write32(fil,mapversion);
-
+
write32(fil,*daposx);
write32(fil,*daposy);
write32(fil,*daposz);
write16(fil,*daang);
write16(fil,*dacursectnum);
-
+
write16(fil,numsectors);
for (x = 0, sect = §or[0]; x < numsectors; x++, sect++)
{@@ -2752,23 +2752,23 @@
write16(fil,sect->floorstat);
write16(fil,sect->ceilingpicnum);
write16(fil,sect->ceilingheinum);
- write8(fil,sect->ceilingshade);
- write8(fil,sect->ceilingpal);
- write8(fil,sect->ceilingxpanning);
- write8(fil,sect->ceilingypanning);
+ write8(fil,sect->ceilingshade);
+ write8(fil,sect->ceilingpal);
+ write8(fil,sect->ceilingxpanning);
+ write8(fil,sect->ceilingypanning);
write16(fil,sect->floorpicnum);
write16(fil,sect->floorheinum);
- write8(fil,sect->floorshade);
- write8(fil,sect->floorpal);
- write8(fil,sect->floorxpanning);
- write8(fil,sect->floorypanning);
- write8(fil,sect->visibility);
- write8(fil,sect->filler);
+ write8(fil,sect->floorshade);
+ write8(fil,sect->floorpal);
+ write8(fil,sect->floorxpanning);
+ write8(fil,sect->floorypanning);
+ write8(fil,sect->visibility);
+ write8(fil,sect->filler);
write16(fil,sect->lotag);
write16(fil,sect->hitag);
write16(fil,sect->extra);
}
-
+
write16(fil,numwalls);
for (x = 0, w = &wall[0]; x < numwalls; x++, w++)
{@@ -2780,17 +2780,17 @@
write16(fil,w->cstat);
write16(fil,w->picnum);
write16(fil,w->overpicnum);
- write8(fil,w->shade);
- write8(fil,w->pal);
- write8(fil,w->xrepeat);
- write8(fil,w->yrepeat);
- write8(fil,w->xpanning);
- write8(fil,w->ypanning);
+ write8(fil,w->shade);
+ write8(fil,w->pal);
+ write8(fil,w->xrepeat);
+ write8(fil,w->yrepeat);
+ write8(fil,w->xpanning);
+ write8(fil,w->ypanning);
write16(fil,w->lotag);
write16(fil,w->hitag);
write16(fil,w->extra);
}
-
+
numsprites = 0;
for(j=0;j<MAXSTATUS;j++)
{@@ -2802,7 +2802,7 @@
}
}
write16(fil,numsprites);
-
+
for(j=0;j<MAXSTATUS;j++)
{i = headspritestat[j];
@@ -2814,14 +2814,14 @@
write32(fil,s->z);
write16(fil,s->cstat);
write16(fil,s->picnum);
- write8(fil,s->shade);
- write8(fil,s->pal);
- write8(fil,s->clipdist);
- write8(fil,s->filler);
- write8(fil,s->xrepeat);
- write8(fil,s->yrepeat);
- write8(fil,s->xoffset);
- write8(fil,s->yoffset);
+ write8(fil,s->shade);
+ write8(fil,s->pal);
+ write8(fil,s->clipdist);
+ write8(fil,s->filler);
+ write8(fil,s->xrepeat);
+ write8(fil,s->yrepeat);
+ write8(fil,s->xoffset);
+ write8(fil,s->yoffset);
write16(fil,s->sectnum);
write16(fil,s->statnum);
write16(fil,s->ang);
@@ -2832,11 +2832,11 @@
write16(fil,s->lotag);
write16(fil,s->hitag);
write16(fil,s->extra);
-
+
i = nextspritestat[i];
}
}
-
+
close(fil);
return(0);
}
@@ -2845,7 +2845,7 @@
static void initksqrt(void)
{int32_t i, j, k;
-
+
j = 1; k = 0;
for(i=0;i<4096;i++)
{@@ -2860,21 +2860,21 @@
static void loadtables(void)
{int32_t i, fil;
-
+
if (tablesloaded == 0)
{initksqrt();
-
+
for(i=0;i<2048;i++) reciptable[i] = divscale30(2048L,i+2048);
-
+
if ((fil = TCkopen4load("tables.dat",0)) != -1) {for (i = 0; i < 2048; i++)
kread16(fil,&sintable[i]);
-
+
for (i = 0; i < 640; i++)
kread16(fil,&radarang[i]);
-
+
for(i=0;i<640;i++) radarang[1279-i] = -radarang[i];
kread(fil,textfont,1024);
kread(fil,smalltextfont,1024);
@@ -2890,7 +2890,7 @@
{int32_t i, j, x, y, z;
uint8_t *pal1;
-
+
j = 0;
for(i=64;i>=0;i--)
{@@ -2900,10 +2900,10 @@
bdist[i] = bdist[128-i] = j*bscale;
j += 129-(i<<1);
}
-
+
clearbufbyte((void *)FP_OFF(colhere),sizeof(colhere),0L);
clearbufbyte((void *)FP_OFF(colhead),sizeof(colhead),0L);
-
+
pal1 = (uint8_t *)&palette[768-3];
for(i=255;i>=0;i--,pal1-=3)
{@@ -2912,7 +2912,7 @@
colhead[j] = i;
colhere[j>>3] |= pow2char[j&7];
}
-
+
i = 0;
for(x=-FASTPALGRIDSIZ*FASTPALGRIDSIZ;x<=FASTPALGRIDSIZ*FASTPALGRIDSIZ;x+=FASTPALGRIDSIZ*FASTPALGRIDSIZ)
for(y=-FASTPALGRIDSIZ;y<=FASTPALGRIDSIZ;y+=FASTPALGRIDSIZ)
@@ -2926,36 +2926,36 @@
{int32_t i, j, k, dist, fil;
uint8_t *ptr;
-
+
if (paletteloaded != 0) return;
if ((fil = TCkopen4load("palette.dat",0)) == -1) return;-
+
kread(fil,palette,768);
kread16(fil,&numpalookups);
-
+
if ((palookup[0] = (uint8_t *)kkmalloc(numpalookups<<8)) == NULL)
allocache((int32_t *)&palookup[0],numpalookups<<8,&permanentlock);
if ((transluc = (uint8_t *)kkmalloc(65536L)) == NULL)
allocache((int32_t *)&transluc,65536,&permanentlock);
-
+
globalpalwritten = palookup[0]; globalpal = 0;
setpalookupaddress(globalpalwritten);
-
+
fixtransluscence((long)FP_OFF(transluc));
-
+
kread(fil,palookup[globalpal],numpalookups<<8);
-
-
+
+
/*kread(fil,transluc,65536);*/
for (k = 0; k < (65536 / 4); k++)
kread32(fil, ((int32_t *) transluc) + k);
-
+
kclose(fil);
-
+
initfastcolorlookup(30L,59L,11L);
-
+
paletteloaded = 1;
-
+
if (vidoption == 6)
{for(k=0;k<MAXPALOOKUPS;k++)
@@ -2967,7 +2967,7 @@
for(j=0;j<32;j++)
ptr[j<<8] = (uint8_t )min(max(mulscale10(dist,32-j),0),15);
}
-
+
if (transluc != NULL)
{for(i=0;i<16;i++)
@@ -2983,7 +2983,7 @@
{strcpy(kensmessage,"!!!! BUILD engine&tools programmed by Ken Silverman of E.G. RI. (c) Copyright 1995 Ken Silverman. Summary: BUILD = Ken. !!!!");
if (getkensmessagecrc(FP_OFF(kensmessage)) != 0x56c764d4)
- { setvmode(0x3); printf("Nice try.\n"); Error(EXIT_SUCCESS, ""); }+ { setvmode(0x3); printf("Nice try.\n"); Error(EXIT_SUCCESS, ""); }return(_setgamemode(davidoption, daxdim, daydim));
} /* setgamemode */
@@ -3007,46 +3007,46 @@
void initengine(void)
{int32_t i;
-
-
-
+
+
+
initengine_called = 1;
-
+
if (dommxoverlay)
mmxoverlay();
-
+
loadtables();
-
+
xyaspect = -1;
-
+
pskyoff[0] = 0; pskybits = 0;
-
+
parallaxtype = 2; parallaxyoffs = 0L; parallaxyscale = 65536;
showinvisibility = 0;
-
+
paletteloaded = 0;
-
+
searchit = 0; searchstat = -1;
-
+
for(i=0;i<MAXPALOOKUPS;i++) palookup[i] = NULL;
-
+
clearbuf(&waloff[0],(long)MAXTILES,0L);
-
+
clearbuf(&show2dsector[0],(long)((MAXSECTORS+3)>>5),0L);
clearbuf(&show2dsprite[0],(long)((MAXSPRITES+3)>>5),0L);
clearbuf(&show2dwall[0],(long)((MAXWALLS+3)>>5),0L);
automapping = 0;
-
+
validmodecnt = 0;
-
+
pointhighlight = -1;
linehighlight = -1;
highlightcnt = 0;
-
+
totalclock = 0;
visibility = 512;
parallaxvisibility = 512;
-
+
loadpalette();
}
@@ -3060,53 +3060,53 @@
}
- /* Assume npoints=4 with polygon on &rx1,&ry1 */
+/* Assume npoints=4 with polygon on &rx1,&ry1 */
static int clippoly4(int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
{int32_t n, nn, z, zz, x, x1, x2, y, y1, y2, t;
-
+
nn = 0; z = 0;
do
{zz = ((z+1)&3);
x1 = rx1[z]; x2 = rx1[zz]-x1;
-
+
if ((cx1 <= x1) && (x1 <= cx2))
rx2[nn] = x1, ry2[nn] = ry1[z], nn++;
-
+
if (x2 <= 0) x = cx2; else x = cx1;
t = x-x1;
if (((t-x2)^t) < 0)
rx2[nn] = x, ry2[nn] = ry1[z]+scale(t,ry1[zz]-ry1[z],x2), nn++;
-
+
if (x2 <= 0) x = cx1; else x = cx2;
t = x-x1;
if (((t-x2)^t) < 0)
rx2[nn] = x, ry2[nn] = ry1[z]+scale(t,ry1[zz]-ry1[z],x2), nn++;
-
+
z = zz;
} while (z != 0);
if (nn < 3) return(0);
-
+
n = 0; z = 0;
do
{zz = z+1; if (zz == nn) zz = 0;
y1 = ry2[z]; y2 = ry2[zz]-y1;
-
+
if ((cy1 <= y1) && (y1 <= cy2))
ry1[n] = y1, rx1[n] = rx2[z], n++;
-
+
if (y2 <= 0) y = cy2; else y = cy1;
t = y-y1;
if (((t-y2)^t) < 0)
ry1[n] = y, rx1[n] = rx2[z]+scale(t,rx2[zz]-rx2[z],y2), n++;
-
+
if (y2 <= 0) y = cy1; else y = cy2;
t = y-y1;
if (((t-y2)^t) < 0)
ry1[n] = y, rx1[n] = rx2[z]+scale(t,rx2[zz]-rx2[z],y2), n++;
-
+
z = zz;
} while (z != 0);
return(n);
@@ -3115,8 +3115,8 @@
static void dorotatesprite (int32_t sx, int32_t sy, int32_t z, short a, short picnum,
- int8_t dashade, uint8_t dapalnum, uint8_t dastat, int32_t cx1,
- int32_t cy1, int32_t cx2, int32_t cy2)
+ int8_t dashade, uint8_t dapalnum, uint8_t dastat, int32_t cx1,
+ int32_t cy1, int32_t cx2, int32_t cy2)
{int32_t cosang, sinang, v, nextv, dax1, dax2, oy, bx, by, ny1, ny2;
int32_t i, x, y, x1, y1, x2, y2, gx1, gy1, p, bufplc, palookupoffs;
@@ -3123,7 +3123,7 @@
int32_t xsiz, ysiz, xoff, yoff, npoints, yplc, yinc, lx, rx, xx, xend;
int32_t xv, yv, xv2, yv2, obuffermode=0, qlinemode=0, y1ve[4], y2ve[4], u4, d4;
uint8_t bad;
-
+
xsiz = tilesizx[picnum]; ysiz = tilesizy[picnum];
if (dastat&16) { xoff = 0; yoff = 0; }else
@@ -3131,11 +3131,11 @@
xoff = (int32_t)((int8_t )((picanm[picnum]>>8)&255))+(xsiz>>1);
yoff = (int32_t)((int8_t )((picanm[picnum]>>16)&255))+(ysiz>>1);
}
-
+
if (dastat&4) yoff = ysiz-yoff;
-
+
cosang = sintable[(a+512)&2047]; sinang = sintable[a&2047];
-
+
if ((dastat&2) != 0) /* Auto window size scaling */
{if ((dastat&8) == 0)
@@ -3147,10 +3147,10 @@
}
else
{- /*
- * If not clipping to startmosts, & auto-scaling on, as a
- * hard-coded bonus, scale to full screen instead
- */
+ /*
+ * If not clipping to startmosts, & auto-scaling on, as a
+ * hard-coded bonus, scale to full screen instead
+ */
x = scale(xdim,yxaspect,320);
sx = (xdim<<15)+32768+scale(sx-(320<<15),xdim,320);
sy = (ydim<<15)+32768+mulscale16(sy-(200<<15),x);
@@ -3157,7 +3157,7 @@
}
z = mulscale16(z,x);
}
-
+
xv = mulscale14(cosang,z);
yv = mulscale14(sinang,z);
if (((dastat&2) != 0) || ((dastat&8) == 0)) /* Don't aspect unscaled perms */
@@ -3170,7 +3170,7 @@
xv2 = xv;
yv2 = yv;
}
-
+
ry1[0] = sy - (yv*xoff + xv*yoff);
ry1[1] = ry1[0] + yv*xsiz;
ry1[3] = ry1[0] + xv*ysiz;
@@ -3177,7 +3177,7 @@
ry1[2] = ry1[1]+ry1[3]-ry1[0];
i = (cy1<<16); if ((ry1[0]<i) && (ry1[1]<i) && (ry1[2]<i) && (ry1[3]<i)) return;
i = (cy2<<16); if ((ry1[0]>i) && (ry1[1]>i) && (ry1[2]>i) && (ry1[3]>i)) return;
-
+
rx1[0] = sx - (xv2*xoff - yv2*yoff);
rx1[1] = rx1[0] + xv2*xsiz;
rx1[3] = rx1[0] - yv2*ysiz;
@@ -3184,13 +3184,13 @@
rx1[2] = rx1[1]+rx1[3]-rx1[0];
i = (cx1<<16); if ((rx1[0]<i) && (rx1[1]<i) && (rx1[2]<i) && (rx1[3]<i)) return;
i = (cx2<<16); if ((rx1[0]>i) && (rx1[1]>i) && (rx1[2]>i) && (rx1[3]>i)) return;
-
+
gx1 = rx1[0]; gy1 = ry1[0]; /* back up these before clipping */
-
+
if ((npoints = clippoly4(cx1<<16,cy1<<16,(cx2+1)<<16,(cy2+1)<<16)) < 3) return;
-
+
lx = rx1[0]; rx = rx1[0];
-
+
nextv = 0;
for(v=npoints-1;v>=0;v--)
{@@ -3214,13 +3214,13 @@
}
nextv = v;
}
-
+
if (waloff[picnum] == 0) loadtile(picnum);
setgotpic(picnum);
bufplc = waloff[picnum];
-
+
palookupoffs = (long) FP_OFF(palookup[dapalnum]) + (getpalookup(0L,(long)dashade)<<8);
-
+
i = divscale32(1L,z);
xv = mulscale14(sinang,i);
yv = mulscale14(cosang,i);
@@ -3234,15 +3234,15 @@
yv2 = -xv;
xv2 = yv;
}
-
+
x1 = (lx>>16); x2 = (rx>>16);
-
+
oy = 0;
x = (x1<<16)-1-gx1; y = (oy<<16)+65535-gy1;
bx = dmulscale16(x,xv2,y,xv);
by = dmulscale16(x,yv2,y,yv);
if (dastat&4) { yv = -yv; yv2 = -yv2; by = (ysiz<<16)-1-by; }-
+
if ((vidoption == 1) && (origbuffermode == 0))
{if (dastat&128)
@@ -3253,8 +3253,8 @@
}
}
else if (dastat&8)
- permanentupdate = 1;
-
+ permanentupdate = 1;
+
if ((dastat&1) == 0)
{if (((a&1023) == 0) && (ysiz <= 256)) /* vlineasm4 has 256 high limit! */
@@ -3265,10 +3265,10 @@
setupmvlineasm(24L);
by <<= 8; yv <<= 8; yv2 <<= 8;
-
+
palookupoffse[0] = palookupoffse[1] = palookupoffse[2] = palookupoffse[3] = palookupoffs;
vince[0] = vince[1] = vince[2] = vince[3] = yv;
-
+
for(x=x1;x<x2;x+=4)
{bad = 15; xend = min(x2-x,4);
@@ -3275,7 +3275,7 @@
for(xx=0;xx<xend;xx++)
{bx += xv2;
-
+
y1 = uplc[x+xx]; y2 = dplc[x+xx];
if ((dastat&8) == 0)
{@@ -3283,9 +3283,9 @@
if (startdmost[x+xx] < y2) y2 = startdmost[x+xx];
}
if (y2 <= y1) continue;
-
+
by += yv*(y1-oy); oy = y1;
-
+
bufplce[xx] = (bx>>16)*ysiz+bufplc;
vplce[xx] = by;
y1ve[xx] = y1;
@@ -3292,12 +3292,12 @@
y2ve[xx] = y2-1;
bad &= ~pow2char[xx];
}
-
+
p = x+frameplace;
-
+
u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3]));
d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3]));
-
+
if (dastat&64)
{if ((bad != 0) || (u4 >= d4))
@@ -3308,14 +3308,14 @@
if (!(bad&8)) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
continue;
}
-
+
if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0);
if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1);
if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2);
if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
-
+
if (d4 >= u4) vlineasm4(d4-u4+1,ylookup[u4]+p);
-
+
i = p+ylookup[d4+1];
if (y2ve[0] > d4) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0);
if (y2ve[1] > d4) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1);
@@ -3332,14 +3332,14 @@
if (!(bad&8)) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
continue;
}
-
+
if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0);
if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1);
if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2);
if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3);
-
+
if (d4 >= u4) mvlineasm4(d4-u4+1,ylookup[u4]+p);
-
+
i = p+ylookup[d4+1];
if (y2ve[0] > d4) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0);
if (y2ve[1] > d4) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1);
@@ -3346,7 +3346,7 @@
if (y2ve[2] > d4) mvlineasm1(vince[2],palookupoffse[2],y2ve[2]-d4-1,vplce[2],bufplce[2],i+2);
if (y2ve[3] > d4) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-d4-1,vplce[3],bufplce[3],i+3);
}
-
+
faketimerhandler();
}
}
@@ -3367,7 +3367,7 @@
}
else
setuprmhlineasm4(xv2<<16,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),palookupoffs,ysiz,0L);
-
+
y1 = uplc[x1];
if (((dastat&8) == 0) && (startumost[x1] > y1)) y1 = startumost[x1];
y2 = y1;
@@ -3379,7 +3379,7 @@
if (startumost[x]-1 > ny1) ny1 = startumost[x]-1;
if (startdmost[x] < ny2) ny2 = startdmost[x];
}
-
+
if (ny1 < ny2-1)
{if (ny1 >= y2)
@@ -3387,12 +3387,12 @@
while (y1 < y2-1)
{y1++; if ((y1&31) == 0) faketimerhandler();
-
- /* x,y1 */
+
+ /* x,y1 */
bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1;
if (dastat&64) { if (qlinemode) rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x+frameplace);- else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
- } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
+ else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
+ } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
}
y1 = ny1;
}
@@ -3401,12 +3401,12 @@
while (y1 < ny1)
{y1++; if ((y1&31) == 0) faketimerhandler();
-
- /* x,y1 */
+
+ /* x,y1 */
bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1;
if (dastat&64) { if (qlinemode) rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x+frameplace);- else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
- } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
+ else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
+ } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace);
}
while (y1 > ny1) lastx[y1--] = x;
}
@@ -3413,12 +3413,12 @@
while (y2 > ny2)
{y2--; if ((y2&31) == 0) faketimerhandler();
-
- /* x,y2 */
+
+ /* x,y2 */
bx += xv*(y2-oy); by += yv*(y2-oy); oy = y2;
if (dastat&64) { if (qlinemode) rhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y2]+x+frameplace);- else rhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace);
- } else rmhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace);
+ else rhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace);
+ } else rmhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace);
}
while (y2 < ny2) lastx[y2++] = x;
}
@@ -3427,8 +3427,8 @@
while (y1 < y2-1)
{y1++; if ((y1&31) == 0) faketimerhandler();
-
- /* x,y1 */
+
+ /* x,y1 */
bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1;
if (dastat&64)
{@@ -3459,81 +3459,81 @@
while (y1 < y2-1)
{y1++; if ((y1&31) == 0) faketimerhandler();
-
- /* x2,y1 */
+
+ /* x2,y1 */
bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1;
if (dastat&64) { if (qlinemode) rhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x2+frameplace);- else rhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace);
- } else rmhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace);
+ else rhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace);
+ } else rmhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace);
}
}
}
else
{- if ((dastat&1) == 0)
- {- if (dastat&64)
- setupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L);
- else
- msetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L);
- }
- else
- {+ if ((dastat&1) == 0)
+ {+ if (dastat&64)
+ setupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L);
+ else
+ msetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L);
+ }
+ else
+ {tsetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L);
- if (dastat&32) settransreverse(); else settransnormal();
- }
+ if (dastat&32) settransreverse(); else settransnormal();
+ }
- for(x=x1;x<x2;x++)
- {- bx += xv2; by += yv2;
-
- y1 = uplc[x]; y2 = dplc[x];
- if ((dastat&8) == 0)
- {- if (startumost[x] > y1) y1 = startumost[x];
- if (startdmost[x] < y2) y2 = startdmost[x];
- }
- if (y2 <= y1) continue;
-
- switch(y1-oy)
- {- case -1:
- bx -= xv;
- by -= yv;
- oy = y1;
- break;
- case 0:
- break;
- case 1:
- bx += xv;
- by += yv;
- oy = y1;
- break;
- default:
- bx += xv*(y1-oy);
- by += yv*(y1-oy);
- oy = y1;
- break;
- }
-
- p = ylookup[y1]+x+frameplace;
-
- if ((dastat&1) == 0)
- {- if (dastat&64)
- spritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
- else
- mspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
- }
- else
- {- tspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
- transarea += (y2-y1);
- }
- faketimerhandler();
+ for(x=x1;x<x2;x++)
+ {+ bx += xv2; by += yv2;
+
+ y1 = uplc[x]; y2 = dplc[x];
+ if ((dastat&8) == 0)
+ {+ if (startumost[x] > y1) y1 = startumost[x];
+ if (startdmost[x] < y2) y2 = startdmost[x];
+ }
+ if (y2 <= y1) continue;
+
+ switch(y1-oy)
+ {+ case -1:
+ bx -= xv;
+ by -= yv;
+ oy = y1;
+ break;
+ case 0:
+ break;
+ case 1:
+ bx += xv;
+ by += yv;
+ oy = y1;
+ break;
+ default:
+ bx += xv*(y1-oy);
+ by += yv*(y1-oy);
+ oy = y1;
+ break;
+ }
+
+ p = ylookup[y1]+x+frameplace;
+
+ if ((dastat&1) == 0)
+ {+ if (dastat&64)
+ spritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
+ else
+ mspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
+ }
+ else
+ {+ tspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p);
+ transarea += (y2-y1);
+ }
+ faketimerhandler();
+ }
}
- }
-
+
if ((vidoption == 1) && (dastat&128) && (origbuffermode == 0))
{buffermode = obuffermode;
@@ -3546,7 +3546,7 @@
{int32_t i;
permfifotype *per;
-
+
if (qsetmode == 200)
{for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
@@ -3554,14 +3554,14 @@
per = &permfifo[i];
if ((per->pagesleft > 0) && (per->pagesleft <= numpages))
dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum,
- per->dashade,per->dapalnum,per->dastat,
- per->cx1,per->cy1,per->cx2,per->cy2);
+ per->dashade,per->dapalnum,per->dastat,
+ per->cx1,per->cy1,per->cx2,per->cy2);
}
} /* if */
-
+
_nextpage(); /* video driver specific. */
-
-
+
+
if (qsetmode == 200)
{for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
@@ -3569,19 +3569,19 @@
per = &permfifo[i];
if (per->pagesleft >= 130)
dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum,
- per->dashade,per->dapalnum,per->dastat,
- per->cx1,per->cy1,per->cx2,per->cy2);
- if (per->pagesleft&127) per->pagesleft--;
+ per->dashade,per->dapalnum,per->dastat,
+ per->cx1,per->cy1,per->cx2,per->cy2);
+ if (per->pagesleft&127) per->pagesleft--;
if (((per->pagesleft&127) == 0) && (i == permtail))
permtail = ((permtail+1)&(MAXPERMS-1));
}
} /* if */
-
+
faketimerhandler();
-
+
if ((totalclock >= lastageclock+8) || (totalclock < lastageclock))
- { lastageclock = totalclock; agecache(); }-
+ { lastageclock = totalclock; agecache(); }+
beforedrawrooms = 1;
numframes++;
}
@@ -3591,11 +3591,11 @@
{uint8_t *ptr;
int32_t i, dasiz;
-
+
if ((unsigned)tilenume >= (unsigned)MAXTILES) return;
dasiz = tilesizx[tilenume]*tilesizy[tilenume];
if (dasiz <= 0) return;
-
+
i = tilefilenum[tilenume];
if (i != artfilnum)
{@@ -3602,7 +3602,7 @@
if (artfil != -1) kclose(artfil);
artfilnum = i;
artfilplc = 0L;
-
+
artfilename[7] = (i%10)+48;
artfilename[6] = ((i/10)%10)+48;
artfilename[5] = ((i/100)%10)+48;
@@ -3609,17 +3609,17 @@
artfil = TCkopen4load(artfilename,0);
faketimerhandler();
}
-
- #if BUILD_CACHEDEBUG
- fprintf(stderr, "BUILDCACHE: Tile:%d\n", tilenume);
- #endif
-
+
+#if BUILD_CACHEDEBUG
+ fprintf(stderr, "BUILDCACHE: Tile:%d\n", tilenume);
+#endif
+
if (waloff[tilenume] == 0)
{walock[tilenume] = 199;
allocache(&waloff[tilenume],dasiz,(uint8_t *) &walock[tilenume]);
}
-
+
if (artfilplc != tilefileoffs[tilenume])
{klseek(artfil,tilefileoffs[tilenume]-artfilplc,SEEK_CUR);
@@ -3635,24 +3635,24 @@
int allocatepermanenttile(short tilenume, int32_t xsiz, int32_t ysiz)
{int32_t j, dasiz;
-
+
if ((xsiz <= 0) || (ysiz <= 0) || ((unsigned)tilenume >= (unsigned)MAXTILES))
return(0);
-
+
dasiz = xsiz*ysiz;
-
+
walock[tilenume] = 255;
allocache(&waloff[tilenume],dasiz,(uint8_t *) &walock[tilenume]);
-
+
tilesizx[tilenume] = xsiz;
tilesizy[tilenume] = ysiz;
picanm[tilenume] = 0;
-
+
j = 15; while ((j > 1) && (pow2long[j] > xsiz)) j--;
picsiz[tilenume] = ((uint8_t )j);
j = 15; while ((j > 1) && (pow2long[j] > ysiz)) j--;
picsiz[tilenume] += ((uint8_t )(j<<4));
-
+
return(waloff[tilenume]);
}
@@ -3663,9 +3663,9 @@
int32_t offscount, localtilestart, localtileend, dasiz;
short fil, i, j, k;
//uint8_t fullpathartfilename[512];
-
+
strcpy(artfilename,filename);
-
+
for(i=0;i<MAXTILES;i++)
{tilesizx[i] = 0;
@@ -3672,41 +3672,41 @@
tilesizy[i] = 0;
picanm[i] = 0L;
}
-
+
artsize = 0L;
-
+
numtilefiles = 0;
do
{k = numtilefiles;
-
+
artfilename[7] = (k%10)+48;
artfilename[6] = ((k/10)%10)+48;
artfilename[5] = ((k/100)%10)+48;
-
-
-
+
+
+
if ((fil = TCkopen4load(artfilename,0)) != -1)
{kread32(fil,&artversion);
if (artversion != 1) return(-1);
-
+
kread32(fil,&numtiles);
kread32(fil,&localtilestart);
kread32(fil,&localtileend);
-
+
/*kread(fil,&tilesizx[localtilestart],(localtileend-localtilestart+1)<<1);*/
for (i = localtilestart; i <= localtileend; i++)
kread16(fil,&tilesizx[i]);
-
+
/*kread(fil,&tilesizy[localtilestart],(localtileend-localtilestart+1)<<1);*/
for (i = localtilestart; i <= localtileend; i++)
kread16(fil,&tilesizy[i]);
-
+
/*kread(fil,&picanm[localtilestart],(localtileend-localtilestart+1)<<2);*/
for (i = localtilestart; i <= localtileend; i++)
kread32(fil,&picanm[i]);
-
+
offscount = 4+4+4+4+((localtileend-localtilestart+1)<<3);
for(i=localtilestart;i<=localtileend;i++)
{@@ -3717,17 +3717,17 @@
artsize += ((dasiz+15)&0xfffffff0);
}
kclose(fil);
-
+
numtilefiles++;
-
+
}
}
while (k != numtilefiles);
printf("Art files loaded\n");clearbuf(&gotpic[0],(long)((MAXTILES+31)>>5),0L);
-
+
/* try dpmi_DETERMINEMAXREALALLOC! */
-
+
cachesize = max(artsize,1048576);
while ((pic = (uint8_t *)kkmalloc(cachesize)) == NULL)
{@@ -3735,7 +3735,7 @@
if (cachesize < 65536) return(-1);
}
initcache(((long)FP_OFF(pic)+15)&0xfffffff0,(cachesize-((-(long)FP_OFF(pic))&15))&0xfffffff0);
-
+
for(i=0;i<MAXTILES;i++)
{j = 15;
@@ -3745,11 +3745,11 @@
while ((j > 1) && (pow2long[j] > tilesizy[i])) j--;
picsiz[i] += ((uint8_t )(j<<4));
}
-
+
artfil = -1;
artfilnum = -1;
artfilplc = 0L;
-
+
return(0);
}
@@ -3759,16 +3759,16 @@
{walltype *wal;
int32_t x1, y1, x2, y2, r;
-
+
r = (walldist<<1);
wal = &wall[wallnum]; x1 = wal->x+walldist-x; y1 = wal->y+walldist-y;
wal = &wall[wal->point2]; x2 = wal->x+walldist-x; y2 = wal->y+walldist-y;
-
+
if ((x1 < 0) && (x2 < 0)) return(0);
if ((y1 < 0) && (y2 < 0)) return(0);
if ((x1 >= r) && (x2 >= r)) return(0);
if ((y1 >= r) && (y2 >= r)) return(0);
-
+
x2 -= x1; y2 -= y1;
if (x2*(walldist-y1) >= y2*(walldist-x1)) /* Front */
{@@ -3784,17 +3784,17 @@
static int clipinsideboxline(int32_t x, int32_t y, int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t walldist)
{int32_t r;
-
+
r = (walldist<<1);
-
+
x1 += walldist-x; x2 += walldist-x;
if ((x1 < 0) && (x2 < 0)) return(0);
if ((x1 >= r) && (x2 >= r)) return(0);
-
+
y1 += walldist-y; y2 += walldist-y;
if ((y1 < 0) && (y2 < 0)) return(0);
if ((y1 >= r) && (y2 >= r)) return(0);
-
+
x2 -= x1; y2 -= y1;
if (x2*(walldist-y1) >= y2*(walldist-x1)) /* Front */
{@@ -3811,9 +3811,9 @@
void drawline256 (int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint8_t col)
{int32_t dx, dy, i, j, p, inc, plc, daend;
-
+
col = palookup[0][col];
-
+
dx = x2-x1; dy = y2-y1;
if (dx >= 0)
{@@ -3839,7 +3839,7 @@
if (y2 < wy1) x2 += scale(wy1-y2,dx,dy), y2 = wy1;
if (y1 > wy2) x1 += scale(wy2-y1,dx,dy), y1 = wy2;
}
-
+
if (klabs(dx) >= klabs(dy))
{if (dx == 0) return;
@@ -3848,7 +3848,7 @@
i = x1; x1 = x2; x2 = i;
i = y1; y1 = y2; y2 = i;
}
-
+
inc = divscale12(dy,dx);
plc = y1+mulscale12((2047-x1)&4095,inc);
i = ((x1+2048)>>12); daend = ((x2+2048)>>12);
@@ -3867,7 +3867,7 @@
i = x1; x1 = x2; x2 = i;
i = y1; y1 = y2; y2 = i;
}
-
+
inc = divscale12(dx,dy);
plc = x1+mulscale12((2047-y1)&4095,inc);
i = ((y1+2048)>>12); daend = ((y2+2048)>>12);
@@ -3883,20 +3883,20 @@
}
/*
- FCS: Return true if the point (x,Y) is inside the sector sectnum.
- Note that a sector is closed to the answer is always 0 or 1.
-
- Algorithm: For each wall one after an other....???
-*/
+ FCS: Return true if the point (x,Y) is inside the sector sectnum.
+ Note that a sector is closed to the answer is always 0 or 1.
+
+ Algorithm: For each wall one after an other....???
+ */
int inside(int32_t x, int32_t y, short sectnum)
{walltype *wal;
int32_t i, x1, y1, x2, y2;
uint32_t cnt;
-
+
//Quick check if the sector ID is valid.
if ((sectnum < 0) || (sectnum >= numsectors)) return(-1);
-
+
cnt = 0;
wal = &wall[sector[sectnum].wallptr];
i = sector[sectnum].wallnum;
@@ -3904,7 +3904,7 @@
{y1 = wal->y-y;
y2 = wall[wal->point2].y-y;
-
+
// Compare the sign of y1 and y2.
// If (y1^y2) < 0 then y is above or below both wal->y and wall[wal->point2].y.
if ((y1^y2) < 0)
@@ -3924,12 +3924,12 @@
cnt ^= (x1*y2-x2*y1)^y2;
}
}
-
- wal++;
+
+ wal++;
i--;
-
+
} while (i);
-
+
//Just return the sign.
return(cnt>>31);
}
@@ -3959,7 +3959,7 @@
{uint8_t *ptr1, *ptr2, dat;
int32_t xsiz1, ysiz1, xsiz2, ysiz2, i, j, x1, y1, x2, y2;
-
+
xsiz1 = tilesizx[tilenume1]; ysiz1 = tilesizy[tilenume1];
xsiz2 = tilesizx[tilenume2]; ysiz2 = tilesizy[tilenume2];
if ((xsiz1 > 0) && (ysiz1 > 0) && (xsiz2 > 0) && (ysiz2 > 0))
@@ -3966,7 +3966,7 @@
{if (waloff[tilenume1] == 0) loadtile((short) tilenume1);
if (waloff[tilenume2] == 0) loadtile((short) tilenume2);
-
+
x1 = sx1;
for(i=0;i<xsiz;i++)
{@@ -3983,7 +3983,7 @@
if (dat != 255)
*ptr2 = *ptr1;
}
-
+
y1++; if (y1 >= ysiz1) y1 = 0;
}
x1++; if (x1 >= xsiz1) x1 = 0;
@@ -3997,7 +3997,7 @@
int32_t i, j, k, x, z, sectnum, z1, z2, lx, rx;
sectortype *sec, *nsec;
walltype *wal;
-
+
z = maskwall[damaskwallcnt];
wal = &wall[thewall[z]];
sectnum = thesector[z]; sec = §or[sectnum];
@@ -4004,7 +4004,7 @@
nsec = §or[wal->nextsector];
z1 = max(nsec->ceilingz,sec->ceilingz);
z2 = min(nsec->floorz,sec->floorz);
-
+
wallmost(uwall,z,sectnum,(uint8_t )0);
wallmost(uplc,z,(long)wal->nextsector,(uint8_t )0);
for(x=xb1[z];x<=xb2[z];x++) if (uplc[x] > uwall[x]) uwall[x] = uplc[x];
@@ -4012,7 +4012,7 @@
wallmost(dplc,z,(long)wal->nextsector,(uint8_t )1);
for(x=xb1[z];x<=xb2[z];x++) if (dplc[x] < dwall[x]) dwall[x] = dplc[x];
prepwall(z,wal);
-
+
globalorientation = (long)wal->cstat;
globalpicnum = wal->overpicnum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
@@ -4033,15 +4033,15 @@
globalzd = (((globalposz-z2)*globalyscale)<<8);
globalzd += (globalypanning<<24);
if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd;
-
+
for(i=smostwallcnt-1;i>=0;i--)
{j = smostwall[i];
if ((xb1[j] > xb2[z]) || (xb2[j] < xb1[z])) continue;
if (wallfront(j,z)) continue;
-
+
lx = max(xb1[j],xb1[z]); rx = min(xb2[j],xb2[z]);
-
+
switch(smostwalltype[i])
{case 0:
@@ -4063,8 +4063,8 @@
break;
}
}
-
- /* maskwall */
+
+ /* maskwall */
if ((searchit >= 1) && (searchx >= xb1[z]) && (searchx <= xb2[z]))
if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx]))
{@@ -4071,7 +4071,7 @@
searchsector = sectnum; searchwall = thewall[z];
searchstat = 4; searchit = 1;
}
-
+
if ((globalorientation&128) == 0)
maskwallscan(xb1[z],xb2[z],uwall,dwall,swall,lwall);
else
@@ -4088,23 +4088,23 @@
static void ceilspritehline (int32_t x2, int32_t y)
{int32_t x1, v, bx, by;
-
+
/*
* x = x1 + (x2-x1)t + (y1-y2)u � x = 160v
* y = y1 + (y2-y1)t + (x2-x1)u � y = (scrx-160)v
* z = z1 = z2 � z = posz + (scry-horiz)v
*/
-
+
x1 = lastx[y]; if (x2 < x1) return;
-
+
v = mulscale20(globalzd,horizlookup[y-globalhoriz+horizycent]);
bx = mulscale14(globalx2*x1+globalx1,v) + globalxpanning;
by = mulscale14(globaly2*x1+globaly1,v) + globalypanning;
asm1 = mulscale14(globalx2,v);
asm2 = mulscale14(globaly2,v);
-
+
asm3 = (long)FP_OFF(palookup[globalpal]) + (getpalookup((long)mulscale28(klabs(v),globvis),globalshade)<<8);
-
+
if ((globalorientation&2) == 0)
mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,ylookup[y]+x1+frameoffset);
else
@@ -4118,7 +4118,7 @@
static void ceilspritescan (int32_t x1, int32_t x2)
{int32_t x, y1, y2, twall, bwall;
-
+
y1 = uwall[x1]; y2 = y1;
for(x=x1;x<=x2;x++)
{@@ -4162,19 +4162,19 @@
int32_t npoints, npoints2, zz, t, zsgn, zzsgn;
short tilenum, spritenum;
uint8_t swapped, daclip;
-
- #ifdef SUPERBUILD
- int32_t *longptr;
- #endif
-
+
+#ifdef SUPERBUILD
+ int32_t *longptr;
+#endif
+
tspr = tspriteptr[snum];
-
+
xb = spritesx[snum];
yp = spritesy[snum];
tilenum = tspr->picnum;
spritenum = tspr->owner;
cstat = tspr->cstat;
-
+
if ((cstat&48) != 48)
{if (picanm[tilenum]&192) tilenum += animateoffs(tilenum,(short) (spritenum+32768));
@@ -4182,11 +4182,11 @@
return;
}
if ((tspr->xrepeat <= 0) || (tspr->yrepeat <= 0)) return;
-
+
sectnum = tspr->sectnum; sec = §or[sectnum];
globalpal = tspr->pal;
// FIX_00088: crash on maps using a bad palette index (like the end of roch3.map)
- if (!palookup[globalpal])
+ if (!palookup[globalpal])
globalpal = 0; // seem to crash when globalpal > 25
globalshade = tspr->shade;
if (cstat&2)
@@ -4193,31 +4193,31 @@
{if (cstat&512) settransreverse(); else settransnormal();
}
-
+
xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)tspr->xoffset);
yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)tspr->yoffset);
-
+
if ((cstat&48) == 0)
{if (yp <= (4<<8)) return;
-
+
siz = divscale19(xdimenscale,yp);
-
+
xv = mulscale16(((long)tspr->xrepeat)<<16,xyaspect);
-
+
xspan = tilesizx[tilenum];
yspan = tilesizy[tilenum];
xsiz = mulscale30(siz,xv*xspan);
ysiz = mulscale14(siz,tspr->yrepeat*yspan);
-
+
if (((tilesizx[tilenum]>>11) >= xsiz) || (yspan >= (ysiz>>1)))
return; /* Watch out for divscale overflow */
-
+
x1 = xb-(xsiz>>1);
if (xspan&1) x1 += mulscale31(siz,xv); /* Odd xspans */
i = mulscale30(siz,xv*xoff);
if ((cstat&4) == 0) x1 -= i; else x1 += i;
-
+
y1 = mulscale16(tspr->z-globalposz,siz);
y1 -= mulscale14(siz,tspr->yrepeat*yoff);
y1 += (globalhoriz<<8)-ysiz;
@@ -4226,17 +4226,17 @@
y1 += (ysiz>>1);
if (yspan&1) y1 += mulscale15(siz,tspr->yrepeat); /* Odd yspans */
}
-
+
x2 = x1+xsiz-1;
y2 = y1+ysiz-1;
if ((y1|255) >= (y2|255)) return;
-
+
lx = (x1>>8)+1; if (lx < 0) lx = 0;
rx = (x2>>8); if (rx >= xdimen) rx = xdimen-1;
if (lx > rx) return;
-
+
yinc = divscale32(yspan,ysiz);
-
+
if ((sec->ceilingstat&3) == 0)
startum = globalhoriz+mulscale24(siz,sec->ceilingz-globalposz)-1;
else
@@ -4247,11 +4247,11 @@
startdm = 0x7fffffff;
if ((y1>>8) > startum) startum = (y1>>8);
if ((y2>>8) < startdm) startdm = (y2>>8);
-
+
if (startum < -32768) startum = -32768;
if (startdm > 32767) startdm = 32767;
if (startum >= startdm) return;
-
+
if ((cstat&4) == 0)
{linuminc = divscale24(xspan,xsiz);
@@ -4267,7 +4267,7 @@
yinc = -yinc;
i = y1; y1 = y2; y2 = i;
}
-
+
for(x=lx;x<=rx;x++)
{uwall[x] = max(startumost[x+windowx1]-windowy1,(short)startum);
@@ -4281,9 +4281,9 @@
if ((xb1[j] > rx) || (xb2[j] < lx)) continue;
if ((yp <= yb1[j]) && (yp <= yb2[j])) continue;
if (spritewallfront(tspr,(long)thewall[j]) && ((yp <= yb1[j]) || (yp <= yb2[j]))) continue;
-
+
dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx);
-
+
switch(smostwalltype[i])
{case 0:
@@ -4307,7 +4307,7 @@
break;
}
}
-
+
if (uwall[rx] >= dwall[rx])
{for(x=lx;x<rx;x++)
@@ -4314,8 +4314,8 @@
if (uwall[x] < dwall[x]) break;
if (x == rx) return;
}
-
- /* sprite */
+
+ /* sprite */
if ((searchit >= 1) && (searchx >= lx) && (searchx <= rx))
if ((searchy >= uwall[searchx]) && (searchy < dwall[searchx]))
{@@ -4322,7 +4322,7 @@
searchsector = sectnum; searchwall = spritenum;
searchstat = 3; searchit = 1;
}
-
+
z2 = tspr->z - ((yoff*tspr->yrepeat)<<2);
if (cstat&128)
{@@ -4330,7 +4330,7 @@
if (yspan&1) z2 += (tspr->yrepeat<<1); /* Odd yspans */
}
z1 = z2 - ((yspan*tspr->yrepeat)<<2);
-
+
globalorientation = 0;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
@@ -4348,10 +4348,10 @@
globalyscale = -globalyscale;
globalzd = (((globalposz-z2)*globalyscale)<<8);
}
-
+
qinterpolatedown16((int32_t *)&lwall[lx],rx-lx+1,linum,linuminc);
clearbuf(&swall[lx],rx-lx+1,mulscale19(yp,xdimscale));
-
+
if ((cstat&2) == 0)
maskwallscan(lx,rx,uwall,dwall,swall,lwall);
else
@@ -4361,7 +4361,7 @@
{if ((cstat&4) > 0) xoff = -xoff;
if ((cstat&8) > 0) yoff = -yoff;
-
+
xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum];
xv = tspr->xrepeat*sintable[(tspr->ang+2560+1536)&2047];
yv = tspr->xrepeat*sintable[(tspr->ang+2048+1536)&2047];
@@ -4368,16 +4368,16 @@
i = (xspan>>1)+xoff;
x1 = tspr->x-globalposx-mulscale16(xv,i); x2 = x1+mulscale16(xv,xspan);
y1 = tspr->y-globalposy-mulscale16(yv,i); y2 = y1+mulscale16(yv,xspan);
-
+
yp1 = dmulscale6(x1,cosviewingrangeglobalang,y1,sinviewingrangeglobalang);
yp2 = dmulscale6(x2,cosviewingrangeglobalang,y2,sinviewingrangeglobalang);
if ((yp1 <= 0) && (yp2 <= 0)) return;
xp1 = dmulscale6(y1,cosglobalang,-x1,singlobalang);
xp2 = dmulscale6(y2,cosglobalang,-x2,singlobalang);
-
+
x1 += globalposx; y1 += globalposy;
x2 += globalposx; y2 += globalposy;
-
+
swapped = 0;
if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) /* If wall's NOT facing you */
{@@ -4388,11 +4388,11 @@
i = y1, y1 = y2, y2 = i;
swapped = 1;
}
-
+
if (xp1 >= -yp1)
{if (xp1 > yp1) return;
-
+
if (yp1 == 0) return;
xb1[MAXWALLSB-1] = halfxdimen + scale(xp1,halfxdimen,yp1);
if (xp1 >= 0) xb1[MAXWALLSB-1]++; /* Fix for SIGNED divide */
@@ -4410,7 +4410,7 @@
if (xp2 <= yp2)
{if (xp2 < -yp2) return;
-
+
if (yp2 == 0) return;
xb2[MAXWALLSB-1] = halfxdimen + scale(xp2,halfxdimen,yp2) - 1;
if (xp2 >= 0) xb2[MAXWALLSB-1]++; /* Fix for SIGNED divide */
@@ -4420,21 +4420,21 @@
else
{if (xp1 > yp1) return;
-
+
xb2[MAXWALLSB-1] = xdimen-1;
i = xp2-xp1+yp1-yp2;
if (i == 0) return;
yb2[MAXWALLSB-1] = yp1 + scale(yp2-yp1,yp1-xp1,i);
}
-
+
if ((yb1[MAXWALLSB-1] < 256) || (yb2[MAXWALLSB-1] < 256) || (xb1[MAXWALLSB-1] > xb2[MAXWALLSB-1]))
return;
-
+
topinc = -mulscale10(yp1,xspan);
top = (((mulscale10(xp1,xdimen) - mulscale9(xb1[MAXWALLSB-1]-halfxdimen,yp1))*xspan)>>3);
botinc = ((yp2-yp1)>>8);
bot = mulscale11(xp1-xp2,xdimen) + mulscale2(xb1[MAXWALLSB-1]-halfxdimen,botinc);
-
+
j = xb2[MAXWALLSB-1]+3;
z = mulscale20(top,krecipasm(bot));
lwall[xb1[MAXWALLSB-1]] = (z>>8);
@@ -4448,10 +4448,10 @@
lwall[x-3] = ((i+zz)>>9);
lwall[x-1] = ((i+z)>>9);
}
-
+
if (lwall[xb1[MAXWALLSB-1]] < 0) lwall[xb1[MAXWALLSB-1]] = 0;
if (lwall[xb2[MAXWALLSB-1]] >= xspan) lwall[xb2[MAXWALLSB-1]] = xspan-1;
-
+
if ((swapped^((cstat&4)>0)) > 0)
{j = xspan-1;
@@ -4458,14 +4458,14 @@
for(x=xb1[MAXWALLSB-1];x<=xb2[MAXWALLSB-1];x++)
lwall[x] = j-lwall[x];
}
-
+
rx1[MAXWALLSB-1] = xp1; ry1[MAXWALLSB-1] = yp1;
rx2[MAXWALLSB-1] = xp2; ry2[MAXWALLSB-1] = yp2;
-
+
hplc = divscale19(xdimenscale,yb1[MAXWALLSB-1]);
hinc = divscale19(xdimenscale,yb2[MAXWALLSB-1]);
hinc = (hinc-hplc)/(xb2[MAXWALLSB-1]-xb1[MAXWALLSB-1]+1);
-
+
z2 = tspr->z - ((yoff*tspr->yrepeat)<<2);
if (cstat&128)
{@@ -4473,7 +4473,7 @@
if (yspan&1) z2 += (tspr->yrepeat<<1); /* Odd yspans */
}
z1 = z2 - ((yspan*tspr->yrepeat)<<2);
-
+
globalorientation = 0;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
@@ -4491,23 +4491,23 @@
globalyscale = -globalyscale;
globalzd = (((globalposz-z2)*globalyscale)<<8);
}
-
+
if (((sec->ceilingstat&1) == 0) && (z1 < sec->ceilingz))
z1 = sec->ceilingz;
if (((sec->floorstat&1) == 0) && (z2 > sec->floorz))
z2 = sec->floorz;
-
+
owallmost(uwall,(long)(MAXWALLSB-1),z1-globalposz);
owallmost(dwall,(long)(MAXWALLSB-1),z2-globalposz);
for(i=xb1[MAXWALLSB-1];i<=xb2[MAXWALLSB-1];i++)
- { swall[i] = (krecipasm(hplc)<<2); hplc += hinc; }-
+ { swall[i] = (krecipasm(hplc)<<2); hplc += hinc; }+
for(i=smostwallcnt-1;i>=0;i--)
{j = smostwall[i];
-
+
if ((xb1[j] > xb2[MAXWALLSB-1]) || (xb2[j] < xb1[MAXWALLSB-1])) continue;
-
+
dalx2 = xb1[j]; darx2 = xb2[j];
if (max(yb1[MAXWALLSB-1],yb2[MAXWALLSB-1]) > min(yb1[j],yb2[j]))
{@@ -4519,7 +4519,7 @@
{x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y;
x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y;
-
+
z1 = (xp2-xp1)*(y1-yp1) - (yp2-yp1)*(x1-xp1);
z2 = (xp2-xp1)*(y2-yp1) - (yp2-yp1)*(x2-xp1);
if ((z1^z2) >= 0)
@@ -4528,7 +4528,7 @@
{z1 = (x2-x1)*(yp1-y1) - (y2-y1)*(xp1-x1);
z2 = (x2-x1)*(yp2-y1) - (y2-y1)*(xp2-x1);
-
+
if ((z1^z2) >= 0)
x = -(z1+z2);
else
@@ -4544,19 +4544,19 @@
{ /* INTERSECTION! */x = (xp1-globalposx) + scale(xp2-xp1,z1,z1-z2);
y = (yp1-globalposy) + scale(yp2-yp1,z1,z1-z2);
-
+
yp1 = dmulscale14(x,cosglobalang,y,singlobalang);
if (yp1 > 0)
{xp1 = dmulscale14(y,cosglobalang,-x,singlobalang);
-
+
x = halfxdimen + scale(xp1,halfxdimen,yp1);
if (xp1 >= 0) x++; /* Fix for SIGNED divide */
-
+
if (z1 < 0)
- { if (dalx2 < x) dalx2 = x; }+ { if (dalx2 < x) dalx2 = x; }else
- { if (darx2 > x) darx2 = x; }+ { if (darx2 > x) darx2 = x; }x = 0x80000001;
}
else
@@ -4592,8 +4592,8 @@
}
}
}
-
- /* sprite */
+
+ /* sprite */
if ((searchit >= 1) && (searchx >= xb1[MAXWALLSB-1]) && (searchx <= xb2[MAXWALLSB-1]))
if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx]))
{@@ -4600,7 +4600,7 @@
searchsector = sectnum; searchwall = spritenum;
searchstat = 3; searchit = 1;
}
-
+
if ((cstat&2) == 0)
maskwallscan(xb1[MAXWALLSB-1],xb2[MAXWALLSB-1],uwall,dwall,swall,lwall);
else
@@ -4611,19 +4611,19 @@
if ((cstat&64) != 0)
if ((globalposz > tspr->z) == ((cstat&8)==0))
return;
-
+
if ((cstat&4) > 0) xoff = -xoff;
if ((cstat&8) > 0) yoff = -yoff;
xspan = tilesizx[tilenum];
yspan = tilesizy[tilenum];
-
- /* Rotate center point */
+
+ /* Rotate center point */
dax = tspr->x-globalposx;
day = tspr->y-globalposy;
rzi[0] = dmulscale10(cosglobalang,dax,singlobalang,day);
rxi[0] = dmulscale10(cosglobalang,day,-singlobalang,dax);
-
- /* Get top-left corner */
+
+ /* Get top-left corner */
i = ((tspr->ang+2048-globalang)&2047);
cosang = sintable[(i+512)&2047]; sinang = sintable[i];
dax = ((xspan>>1)+xoff)*tspr->xrepeat;
@@ -4630,8 +4630,8 @@
day = ((yspan>>1)+yoff)*tspr->yrepeat;
rzi[0] += dmulscale12(sinang,dax,cosang,day);
rxi[0] += dmulscale12(sinang,day,-cosang,dax);
-
- /* Get other 3 corners */
+
+ /* Get other 3 corners */
dax = xspan*tspr->xrepeat;
day = yspan*tspr->yrepeat;
rzi[1] = rzi[0]-mulscale12(sinang,dax);
@@ -4640,50 +4640,50 @@
day = -mulscale12(sinang,day);
rzi[2] = rzi[1]+dax; rxi[2] = rxi[1]+day;
rzi[3] = rzi[0]+dax; rxi[3] = rxi[0]+day;
-
- /* Put all points on same z */
+
+ /* Put all points on same z */
ryi[0] = scale((tspr->z-globalposz),yxaspect,320<<8);
if (ryi[0] == 0) return;
ryi[1] = ryi[2] = ryi[3] = ryi[0];
-
+
if ((cstat&4) == 0)
- { z = 0; z1 = 1; z2 = 3; }+ { z = 0; z1 = 1; z2 = 3; }else
- { z = 1; z1 = 0; z2 = 2; }-
+ { z = 1; z1 = 0; z2 = 2; }+
dax = rzi[z1]-rzi[z]; day = rxi[z1]-rxi[z];
bot = dmulscale8(dax,dax,day,day);
if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return;
globalx1 = divscale18(dax,bot);
globalx2 = divscale18(day,bot);
-
+
dax = rzi[z2]-rzi[z]; day = rxi[z2]-rxi[z];
bot = dmulscale8(dax,dax,day,day);
if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return;
globaly1 = divscale18(dax,bot);
globaly2 = divscale18(day,bot);
-
- /* Calculate globals for hline texture mapping function */
+
+ /* Calculate globals for hline texture mapping function */
globalxpanning = (rxi[z]<<12);
globalypanning = (rzi[z]<<12);
globalzd = (ryi[z]<<12);
-
+
rzi[0] = mulscale16(rzi[0],viewingrange);
rzi[1] = mulscale16(rzi[1],viewingrange);
rzi[2] = mulscale16(rzi[2],viewingrange);
rzi[3] = mulscale16(rzi[3],viewingrange);
-
+
if (ryi[0] < 0) /* If ceilsprite is above you, reverse order of points */
{i = rxi[1]; rxi[1] = rxi[3]; rxi[3] = i;
i = rzi[1]; rzi[1] = rzi[3]; rzi[3] = i;
}
-
-
- /* Clip polygon in 3-space */
+
+
+ /* Clip polygon in 3-space */
npoints = 4;
-
- /* Clip edge 1 */
+
+ /* Clip edge 1 */
npoints2 = 0;
zzsgn = rxi[0]+rzi[0];
for(z=0;z<npoints;z++)
@@ -4705,8 +4705,8 @@
}
}
if (npoints2 <= 2) return;
-
- /* Clip edge 2 */
+
+ /* Clip edge 2 */
npoints = 0;
zzsgn = rxi2[0]-rzi2[0];
for(z=0;z<npoints2;z++)
@@ -4728,8 +4728,8 @@
}
}
if (npoints <= 2) return;
-
- /* Clip edge 3 */
+
+ /* Clip edge 3 */
npoints2 = 0;
zzsgn = ryi[0]*halfxdimen + (rzi[0]*(globalhoriz-0));
for(z=0;z<npoints;z++)
@@ -4753,8 +4753,8 @@
}
}
if (npoints2 <= 2) return;
-
- /* Clip edge 4 */
+
+ /* Clip edge 4 */
npoints = 0;
zzsgn = ryi2[0]*halfxdimen + (rzi2[0]*(globalhoriz-ydimen));
for(z=0;z<npoints2;z++)
@@ -4778,8 +4778,8 @@
}
}
if (npoints <= 2) return;
-
- /* Project onto screen */
+
+ /* Project onto screen */
lpoint = -1; lmax = 0x7fffffff;
rpoint = -1; rmax = 0x80000000;
for(z=0;z<npoints;z++)
@@ -4793,12 +4793,12 @@
if (xsi[z] < lmax) lmax = xsi[z], lpoint = z;
if (xsi[z] > rmax) rmax = xsi[z], rpoint = z;
}
-
- /* Get uwall arrays */
+
+ /* Get uwall arrays */
for(z=lpoint;z!=rpoint;z=zz)
{zz = z+1; if (zz == npoints) zz = 0;
-
+
dax1 = ((xsi[z]+65535)>>16);
dax2 = ((xsi[zz]+65535)>>16);
if (dax2 > dax1)
@@ -4808,12 +4808,12 @@
qinterpolatedown16short((int32_t *)(&uwall[dax1]),dax2-dax1,y,yinc);
}
}
-
- /* Get dwall arrays */
+
+ /* Get dwall arrays */
for(;z!=lpoint;z=zz)
{zz = z+1; if (zz == npoints) zz = 0;
-
+
dax1 = ((xsi[zz]+65535)>>16);
dax2 = ((xsi[z]+65535)>>16);
if (dax2 > dax1)
@@ -4823,8 +4823,8 @@
qinterpolatedown16short((int32_t *)(&dwall[dax1]),dax2-dax1,y,yinc);
}
}
-
-
+
+
lx = ((lmax+65535)>>16);
rx = ((rmax+65535)>>16);
for(x=lx;x<=rx;x++)
@@ -4832,23 +4832,23 @@
uwall[x] = max(uwall[x],startumost[x+windowx1]-windowy1);
dwall[x] = min(dwall[x],startdmost[x+windowx1]-windowy1);
}
-
- /* Additional uwall/dwall clipping goes here */
+
+ /* Additional uwall/dwall clipping goes here */
for(i=smostwallcnt-1;i>=0;i--)
{j = smostwall[i];
if ((xb1[j] > rx) || (xb2[j] < lx)) continue;
if ((yp <= yb1[j]) && (yp <= yb2[j])) continue;
-
- /* if (spritewallfront(tspr,thewall[j]) == 0) */
+
+ /* if (spritewallfront(tspr,thewall[j]) == 0) */
x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y;
x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y;
x = (xp2-xp1)*(tspr->y-yp1)-(tspr->x-xp1)*(yp2-yp1);
if ((yp > yb1[j]) && (yp > yb2[j])) x = -1;
if ((x >= 0) && ((x != 0) || (wall[thewall[j]].nextsector != tspr->sectnum))) continue;
-
+
dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx);
-
+
switch(smostwalltype[i])
{case 0:
@@ -4870,8 +4870,8 @@
break;
}
}
-
- /* sprite */
+
+ /* sprite */
if ((searchit >= 1) && (searchx >= lx) && (searchx <= rx))
if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx]))
{@@ -4878,19 +4878,19 @@
searchsector = sectnum; searchwall = spritenum;
searchstat = 3; searchit = 1;
}
-
+
globalorientation = cstat;
globalpicnum = tilenum;
if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
/* if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,spritenum+32768); */
-
+
if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
setgotpic(globalpicnum);
globalbufplc = waloff[globalpicnum];
-
+
globvis = mulscale16(globalhisibility,viewingrange);
if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
-
+
x = picsiz[globalpicnum]; y = ((x>>4)&15); x &= 15;
if (pow2long[x] != xspan)
{@@ -4898,27 +4898,27 @@
globalx1 = mulscale(globalx1,xspan,x);
globalx2 = mulscale(globalx2,xspan,x);
}
-
+
dax = globalxpanning; day = globalypanning;
globalxpanning = -dmulscale6(globalx1,day,globalx2,dax);
globalypanning = -dmulscale6(globaly1,day,globaly2,dax);
-
+
globalx2 = mulscale16(globalx2,viewingrange);
globaly2 = mulscale16(globaly2,viewingrange);
globalzd = mulscale16(globalzd,viewingrangerecip);
-
+
globalx1 = (globalx1-globalx2)*halfxdimen;
globaly1 = (globaly1-globaly2)*halfxdimen;
-
+
if ((cstat&2) == 0)
msethlineshift(x,y);
else
tsethlineshift(x,y);
-
- /* Draw it! */
+
+ /* Draw it! */
ceilspritescan(lx,rx-1);
}
-
+
if (automapping == 1) show2dsprite[spritenum>>3] |= pow2char[spritenum&7];
}
@@ -4927,7 +4927,7 @@
{int32_t i, j, k, l, gap, xs, ys, xp, yp, yoff, yspan;
/* int32_t zs, zp; */
-
+
for(i=spritesortcnt-1;i>=0;i--) tspriteptr[i] = &tsprite[i];
for(i=spritesortcnt-1;i>=0;i--)
{@@ -4951,7 +4951,7 @@
}
spritesy[i] = yp;
}
-
+
gap = 1; while (gap < spritesortcnt) gap = (gap<<1)+1;
for(gap>>=1;gap>0;gap>>=1) /* Sort sprite list */
for(i=0;i<spritesortcnt-gap;i++)
@@ -4962,10 +4962,10 @@
swaplong(&spritesx[l],&spritesx[l+gap]);
swaplong(&spritesy[l],&spritesy[l+gap]);
}
-
+
if (spritesortcnt > 0)
spritesy[spritesortcnt] = (spritesy[spritesortcnt-1]^1);
-
+
ys = spritesy[0]; i = 0;
for(j=1;j<=spritesortcnt;j++)
{@@ -5005,7 +5005,7 @@
}
i = j;
}
-
+
while ((spritesortcnt > 0) && (maskwallcnt > 0)) /* While BOTH > 0 */
{j = maskwall[maskwallcnt-1];
@@ -5013,7 +5013,7 @@
drawsprite(--spritesortcnt);
else
{- /* Check to see if any sprites behind the masked wall... */
+ /* Check to see if any sprites behind the masked wall... */
k = -1;
gap = 0;
for(i=spritesortcnt-2;i>=0;i--)
@@ -5040,8 +5040,8 @@
}
spritesortcnt -= gap;
}
-
- /* finally safe to draw the masked wall */
+
+ /* finally safe to draw the masked wall */
drawmaskwall(--maskwallcnt);
}
}
@@ -5053,11 +5053,11 @@
int setsprite(short spritenum, int32_t newx, int32_t newy, int32_t newz)
{short tempsectnum;
-
+
sprite[spritenum].x = newx;
sprite[spritenum].y = newy;
sprite[spritenum].z = newz;
-
+
tempsectnum = sprite[spritenum].sectnum;
updatesector(newx,newy,&tempsectnum);
if (tempsectnum < 0)
@@ -5064,7 +5064,7 @@
return(-1);
if (tempsectnum != sprite[spritenum].sectnum)
changespritesect(spritenum,tempsectnum);
-
+
return(0);
}
@@ -5072,7 +5072,7 @@
void initspritelists(void)
{int32_t i;
-
+
for (i=0;i<MAXSECTORS;i++) /* Init doubly-linked sprite sector lists */
headspritesect[i] = -1;
headspritesect[MAXSECTORS] = 0;
@@ -5084,8 +5084,8 @@
}
prevspritesect[0] = -1;
nextspritesect[MAXSPRITES-1] = -1;
-
-
+
+
for(i=0;i<MAXSTATUS;i++) /* Init doubly-linked sprite status lists */
headspritestat[i] = -1;
headspritestat[MAXSTATUS] = 0;
@@ -5110,24 +5110,24 @@
int insertspritesect(short sectnum)
{short blanktouse;
-
+
if ((sectnum >= MAXSECTORS) || (headspritesect[MAXSECTORS] == -1))
return(-1); /* list full */
-
+
blanktouse = headspritesect[MAXSECTORS];
-
+
headspritesect[MAXSECTORS] = nextspritesect[blanktouse];
if (headspritesect[MAXSECTORS] >= 0)
prevspritesect[headspritesect[MAXSECTORS]] = -1;
-
+
prevspritesect[blanktouse] = -1;
nextspritesect[blanktouse] = headspritesect[sectnum];
if (headspritesect[sectnum] >= 0)
prevspritesect[headspritesect[sectnum]] = blanktouse;
headspritesect[sectnum] = blanktouse;
-
+
sprite[blanktouse].sectnum = sectnum;
-
+
return(blanktouse);
}
@@ -5135,24 +5135,24 @@
int insertspritestat(short statnum)
{short blanktouse;
-
+
if ((statnum >= MAXSTATUS) || (headspritestat[MAXSTATUS] == -1))
return(-1); /* list full */
-
+
blanktouse = headspritestat[MAXSTATUS];
-
+
headspritestat[MAXSTATUS] = nextspritestat[blanktouse];
if (headspritestat[MAXSTATUS] >= 0)
prevspritestat[headspritestat[MAXSTATUS]] = -1;
-
+
prevspritestat[blanktouse] = -1;
nextspritestat[blanktouse] = headspritestat[statnum];
if (headspritestat[statnum] >= 0)
prevspritestat[headspritestat[statnum]] = blanktouse;
headspritestat[statnum] = blanktouse;
-
+
sprite[blanktouse].statnum = statnum;
-
+
return(blanktouse);
}
@@ -5168,18 +5168,18 @@
{if (sprite[deleteme].sectnum == MAXSECTORS)
return(-1);
-
+
if (headspritesect[sprite[deleteme].sectnum] == deleteme)
headspritesect[sprite[deleteme].sectnum] = nextspritesect[deleteme];
-
+
if (prevspritesect[deleteme] >= 0) nextspritesect[prevspritesect[deleteme]] = nextspritesect[deleteme];
if (nextspritesect[deleteme] >= 0) prevspritesect[nextspritesect[deleteme]] = prevspritesect[deleteme];
-
+
if (headspritesect[MAXSECTORS] >= 0) prevspritesect[headspritesect[MAXSECTORS]] = deleteme;
prevspritesect[deleteme] = -1;
nextspritesect[deleteme] = headspritesect[MAXSECTORS];
headspritesect[MAXSECTORS] = deleteme;
-
+
sprite[deleteme].sectnum = MAXSECTORS;
return(0);
}
@@ -5189,18 +5189,18 @@
{if (sprite[deleteme].statnum == MAXSTATUS)
return(-1);
-
+
if (headspritestat[sprite[deleteme].statnum] == deleteme)
headspritestat[sprite[deleteme].statnum] = nextspritestat[deleteme];
-
+
if (prevspritestat[deleteme] >= 0) nextspritestat[prevspritestat[deleteme]] = nextspritestat[deleteme];
if (nextspritestat[deleteme] >= 0) prevspritestat[nextspritestat[deleteme]] = prevspritestat[deleteme];
-
+
if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = deleteme;
prevspritestat[deleteme] = -1;
nextspritestat[deleteme] = headspritestat[MAXSTATUS];
headspritestat[MAXSTATUS] = deleteme;
-
+
sprite[deleteme].statnum = MAXSTATUS;
return(0);
}
@@ -5234,11 +5234,11 @@
walltype *wal;
int32_t i, testz, nextz;
short sectortouse;
-
+
if (direction == 1) nextz = 0x7fffffff; else nextz = 0x80000000;
-
+
sectortouse = -1;
-
+
wal = &wall[sector[sectnum].wallptr];
i = sector[sectnum].wallnum;
do
@@ -5289,23 +5289,23 @@
wal++;
i--;
} while (i != 0);
-
+
return(sectortouse);
}
int cansee(int32_t x1, int32_t y1, int32_t z1, short sect1,
- int32_t x2, int32_t y2, int32_t z2, short sect2)
+ int32_t x2, int32_t y2, int32_t z2, short sect2)
{sectortype *sec;
walltype *wal, *wal2;
int32_t i, cnt, nexts, x, y, z, cz, fz, dasectnum, dacnt, danum;
int32_t x21, y21, z21, x31, y31, x34, y34, bot, t;
-
+
if ((x1 == x2) && (y1 == y2)) return(sect1 == sect2);
-
+
x21 = x2-x1; y21 = y2-y1; z21 = z2-z1;
-
+
clipsectorlist[0] = sect1; danum = 1;
for(dacnt=0;dacnt<danum;dacnt++)
{@@ -5315,24 +5315,24 @@
wal2 = &wall[wal->point2];
x31 = wal->x-x1; x34 = wal->x-wal2->x;
y31 = wal->y-y1; y34 = wal->y-wal2->y;
-
+
bot = y21*x34-x21*y34; if (bot <= 0) continue;
t = y21*x31-x21*y31; if ((unsigned)t >= (unsigned)bot) continue;
t = y31*x34-x31*y34; if ((unsigned)t >= (unsigned)bot) continue;
-
+
nexts = wal->nextsector;
if ((nexts < 0) || (wal->cstat&32)) return(0);
-
+
t = divscale24(t,bot);
x = x1 + mulscale24(x21,t);
y = y1 + mulscale24(y21,t);
z = z1 + mulscale24(z21,t);
-
+
getzsofslope((short)dasectnum,x,y,&cz,&fz);
if ((z <= cz) || (z >= fz)) return(0);
getzsofslope((short)nexts,x,y,&cz,&fz);
if ((z <= cz) || (z >= fz)) return(0);
-
+
for(i=danum-1;i>=0;i--) if (clipsectorlist[i] == nexts) break;
if (i < 0) clipsectorlist[danum++] = nexts;
}
@@ -5347,7 +5347,7 @@
int32_t *inty, int32_t *intz)
{ /* p1 to p2 is a line segment */int32_t x21, y21, x34, y34, x31, y31, bot, topt, topu, t;
-
+
x21 = x2-x1; x34 = x3-x4;
y21 = y2-y1; y34 = y3-y4;
bot = x21*y34 - y21*x34;
@@ -5377,7 +5377,7 @@
int32_t *inty, int32_t *intz)
{ /* p1 towards p2 is a ray */int32_t x34, y34, x31, y31, bot, topt, topu, t;
-
+
x34 = x3-x4; y34 = y3-y4;
bot = vx*y34 - vy*x34;
if (bot >= 0)
@@ -5417,21 +5417,21 @@
short tempshortcnt, tempshortnum, dasector, startwall, endwall;
short nextsector;
uint8_t clipyou;
-
+
*hitsect = -1; *hitwall = -1; *hitsprite = -1;
if (sectnum < 0) return(-1);
-
+
*hitx = hitscangoalx; *hity = hitscangoaly;
-
+
dawalclipmask = (cliptype&65535);
dasprclipmask = (cliptype>>16);
-
+
clipsectorlist[0] = sectnum;
tempshortcnt = 0; tempshortnum = 1;
do
{dasector = clipsectorlist[tempshortcnt]; sec = §or[dasector];
-
+
x1 = 0x7fffffff;
if (sec->ceilingstat&2)
{@@ -5440,7 +5440,7 @@
i = nsqrtasm(dax*dax+day*day); if (i == 0) continue;
i = divscale15(sec->ceilingheinum,i);
dax *= i; day *= i;
-
+
j = (vz<<8)-dmulscale15(dax,vy,-day,vx);
if (j != 0)
{@@ -5470,7 +5470,7 @@
*hitsect = dasector; *hitwall = -1; *hitsprite = -1;
*hitx = x1; *hity = y1; *hitz = z1;
}
-
+
x1 = 0x7fffffff;
if (sec->floorstat&2)
{@@ -5479,7 +5479,7 @@
i = nsqrtasm(dax*dax+day*day); if (i == 0) continue;
i = divscale15(sec->floorheinum,i);
dax *= i; day *= i;
-
+
j = (vz<<8)-dmulscale15(dax,vy,-day,vx);
if (j != 0)
{@@ -5509,18 +5509,18 @@
*hitsect = dasector; *hitwall = -1; *hitsprite = -1;
*hitx = x1; *hity = y1; *hitz = z1;
}
-
+
startwall = sec->wallptr; endwall = startwall + sec->wallnum;
for(z=startwall,wal=&wall[startwall];z<endwall;z++,wal++)
{wal2 = &wall[wal->point2];
x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y;
-
+
if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue;
if (rintersect(xs,ys,zs,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz) == 0) continue;
-
+
if (klabs(intx-xs)+klabs(inty-ys) >= klabs((*hitx)-xs)+klabs((*hity)-ys)) continue;
-
+
nextsector = wal->nextsector;
if ((nextsector < 0) || (wal->cstat&dawalclipmask))
{@@ -5535,18 +5535,18 @@
*hitx = intx; *hity = inty; *hitz = intz;
continue;
}
-
+
for(zz=tempshortnum-1;zz>=0;zz--)
if (clipsectorlist[zz] == nextsector) break;
if (zz < 0) clipsectorlist[tempshortnum++] = nextsector;
}
-
+
for(z=headspritesect[dasector];z>=0;z=nextspritesect[z])
{spr = &sprite[z];
cstat = spr->cstat;
if ((cstat&dasprclipmask) == 0) continue;
-
+
x1 = spr->x; y1 = spr->y; z1 = spr->z;
switch(cstat&48)
{@@ -5553,15 +5553,15 @@
case 0:
topt = vx*(x1-xs) + vy*(y1-ys); if (topt <= 0) continue;
bot = vx*vx + vy*vy; if (bot == 0) continue;
-
+
intz = zs+scale(vz,topt,bot);
-
+
i = (tilesizy[spr->picnum]*spr->yrepeat<<2);
if (cstat&128) z1 += (i>>1);
if (picanm[spr->picnum]&0x00ff0000) z1 -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
if ((intz > z1) || (intz < z1-i)) continue;
topu = vx*(y1-ys) - vy*(x1-xs);
-
+
offx = scale(vx,topu,bot);
offy = scale(vy,topu,bot);
dist = offx*offx + offy*offy;
@@ -5569,17 +5569,17 @@
if (dist > (i>>7)) continue;
intx = xs + scale(vx,topt,bot);
inty = ys + scale(vy,topt,bot);
-
+
if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue;
-
+
*hitsect = dasector; *hitwall = -1; *hitsprite = z;
*hitx = intx; *hity = inty; *hitz = intz;
break;
case 16:
- /*
- * These lines get the 2 points of the rotated sprite
- * Given: (x1, y1) starts out as the center point
- */
+ /*
+ * These lines get the 2 points of the rotated sprite
+ * Given: (x1, y1) starts out as the center point
+ */
tilenum = spr->picnum;
xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
if ((cstat&4) > 0) xoff = -xoff;
@@ -5588,14 +5588,14 @@
l = tilesizx[tilenum]; k = (l>>1)+xoff;
x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
-
+
if ((cstat&64) != 0) /* back side of 1-way sprite */
if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue;
-
+
if (rintersect(xs,ys,zs,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz) == 0) continue;
-
+
if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue;
-
+
k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2);
if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z;
if (picanm[spr->picnum]&0x00ff0000) daz -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
@@ -5611,23 +5611,23 @@
if (((intz-zs)^vz) < 0) continue;
if ((cstat&64) != 0)
if ((zs > intz) == ((cstat&8)==0)) continue;
-
+
intx = xs+scale(intz-zs,vx,vz);
inty = ys+scale(intz-zs,vy,vz);
-
+
if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue;
-
+
tilenum = spr->picnum;
xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
if ((cstat&4) > 0) xoff = -xoff;
if ((cstat&8) > 0) yoff = -yoff;
-
+
ang = spr->ang;
cosang = sintable[(ang+512)&2047]; sinang = sintable[ang];
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
-
+
dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
x1 += dmulscale16(sinang,dax,cosang,day)-intx;
y1 += dmulscale16(sinang,day,-cosang,dax)-inty;
@@ -5637,7 +5637,7 @@
l = yspan*yrepeat;
k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k;
k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k;
-
+
clipyou = 0;
if ((y1^y2) < 0)
{@@ -5659,7 +5659,7 @@
if ((x4^x1) < 0) clipyou ^= (x4*y1<x1*y4)^(y4<y1);
else if (x4 >= 0) clipyou ^= 1;
}
-
+
if (clipyou != 0)
{*hitsect = dasector; *hitwall = -1; *hitsprite = z;
@@ -5684,24 +5684,24 @@
int32_t topt, topu, bot, dist, offx, offy, vx, vy, vz;
short tempshortcnt, tempshortnum, dasector, startwall, endwall;
short nextsector, good;
-
+
*neartagsector = -1; *neartagwall = -1; *neartagsprite = -1;
*neartaghitdist = 0;
-
+
if (sectnum < 0) return(0);
if ((tagsearch < 1) || (tagsearch > 3)) return(0);
-
+
vx = mulscale14(sintable[(ange+2560)&2047],neartagrange); xe = xs+vx;
vy = mulscale14(sintable[(ange+2048)&2047],neartagrange); ye = ys+vy;
vz = 0; ze = 0;
-
+
clipsectorlist[0] = sectnum;
tempshortcnt = 0; tempshortnum = 1;
-
+
do
{dasector = clipsectorlist[tempshortcnt];
-
+
startwall = sector[dasector].wallptr;
endwall = startwall + sector[dasector].wallnum - 1;
for(z=startwall,wal=&wall[startwall];z<=endwall;z++,wal++)
@@ -5708,9 +5708,9 @@
{wal2 = &wall[wal->point2];
x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y;
-
+
nextsector = wal->nextsector;
-
+
good = 0;
if (nextsector >= 0)
{@@ -5719,10 +5719,10 @@
}
if ((tagsearch&1) && wal->lotag) good |= 2;
if ((tagsearch&2) && wal->hitag) good |= 2;
-
+
if ((good == 0) && (nextsector < 0)) continue;
if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue;
-
+
if (lintersect(xs,ys,zs,xe,ye,ze,x1,y1,x2,y2,&intx,&inty,&intz) == 1)
{if (good != 0)
@@ -5740,11 +5740,11 @@
}
}
}
-
+
for(z=headspritesect[dasector];z>=0;z=nextspritesect[z])
{spr = &sprite[z];
-
+
good = 0;
if ((tagsearch&1) && spr->lotag) good |= 1;
if ((tagsearch&2) && spr->hitag) good |= 1;
@@ -5751,7 +5751,7 @@
if (good != 0)
{x1 = spr->x; y1 = spr->y; z1 = spr->z;
-
+
topt = vx*(x1-xs) + vy*(y1-ys);
if (topt > 0)
{@@ -5765,7 +5765,7 @@
if ((intz <= z1) && (intz >= z1-(i<<2)))
{topu = vx*(y1-ys) - vy*(x1-xs);
-
+
offx = scale(vx,topu,bot);
offy = scale(vy,topu,bot);
dist = offx*offx + offy*offy;
@@ -5788,7 +5788,7 @@
}
}
}
-
+
tempshortcnt++;
} while (tempshortcnt < tempshortnum);
return(0);
@@ -5798,10 +5798,10 @@
void dragpoint(short pointhighlight, int32_t dax, int32_t day)
{short cnt, tempshort;
-
+
wall[pointhighlight].x = dax;
wall[pointhighlight].y = day;
-
+
cnt = MAXWALLS;
tempshort = pointhighlight; /* search points CCW */
do
@@ -5841,7 +5841,7 @@
int lastwall(short point)
{int32_t i, j, cnt;
-
+
if ((point > 0) && (wall[point-1].point2 == point)) return(point-1);
i = point;
cnt = MAXWALLS;
@@ -5857,10 +5857,10 @@
#define addclipline(dax1, day1, dax2, day2, daoval) \
{ \- clipit[clipnum].x1 = dax1; clipit[clipnum].y1 = day1; \
- clipit[clipnum].x2 = dax2; clipit[clipnum].y2 = day2; \
- clipobjectval[clipnum] = daoval; \
- clipnum++; \
+clipit[clipnum].x1 = dax1; clipit[clipnum].y1 = day1; \
+clipit[clipnum].x2 = dax2; clipit[clipnum].y2 = day2; \
+clipobjectval[clipnum] = daoval; \
+clipnum++; \
} \
@@ -5868,7 +5868,7 @@
{int32_t dx, dy, ox, oy, x1, y1;
uint8_t first;
-
+
x1 = clipit[w].x1; dx = clipit[w].x2-x1;
y1 = clipit[w].y1; dy = clipit[w].y2-y1;
ox = ksgn(-dy); oy = ksgn(dx);
@@ -5886,13 +5886,13 @@
{int32_t x1, y1, x2, y2, bot, topu, nintx, ninty, cnt, z, hitwall;
int32_t x21, y21, x43, y43;
-
+
hitwall = -1;
for(z=clipnum-1;z>=0;z--)
{x1 = clipit[z].x1; x2 = clipit[z].x2; x21 = x2-x1;
y1 = clipit[z].y1; y2 = clipit[z].y2; y21 = y2-y1;
-
+
topu = x21*(y3-y1) - (x3-x1)*y21; if (topu <= 0) continue;
if (x21*(*y4-y1) > (*x4-x1)*y21) continue;
x43 = *x4-x3; y43 = *y4-y3;
@@ -5899,7 +5899,7 @@
if (x43*(y1-y3) > (x1-x3)*y43) continue;
if (x43*(y2-y3) <= (x2-x3)*y43) continue;
bot = x43*y21 - x21*y43; if (bot == 0) continue;
-
+
cnt = 256;
do
{@@ -5908,9 +5908,9 @@
ninty = y3 + scale(y43,topu,bot);
topu--;
} while (x21*(ninty-y1) <= (nintx-x1)*y21);
-
+
if (klabs(x3-nintx)+klabs(y3-ninty) < klabs(x3-*x4)+klabs(y3-*y4))
- { *x4 = nintx; *y4 = ninty; hitwall = z; }+ { *x4 = nintx; *y4 = ninty; hitwall = z; }}
return(hitwall);
}
@@ -5932,30 +5932,30 @@
int32_t bsz, dax, day, xoff, yoff, xspan, yspan, cosang, sinang, tilenum;
int32_t xrepeat, yrepeat, gx, gy, dx, dy, dasprclipmask, dawalclipmask;
int32_t hitwall, cnt, clipyou;
-
+
if (((xvect|yvect) == 0) || (*sectnum < 0)) return(0);
retval = 0;
-
+
oxvect = xvect;
oyvect = yvect;
-
+
goalx = (*x) + (xvect>>14);
goaly = (*y) + (yvect>>14);
-
-
+
+
clipnum = 0;
-
+
cx = (((*x)+goalx)>>1);
cy = (((*y)+goaly)>>1);
- /* Extra walldist for sprites on sector lines */
+ /* Extra walldist for sprites on sector lines */
gx = goalx-(*x); gy = goaly-(*y);
rad = nsqrtasm(gx*gx + gy*gy) + MAXCLIPDIST+walldist + 8;
xmin = cx-rad; ymin = cy-rad;
xmax = cx+rad; ymax = cy+rad;
-
+
dawalclipmask = (cliptype&65535); /* CLIPMASK0 = 0x00010001 */
dasprclipmask = (cliptype>>16); /* CLIPMASK1 = 0x01000040 */
-
+
clipsectorlist[0] = (*sectnum);
clipsectcnt = 0; clipsectnum = 1;
do
@@ -5970,16 +5970,16 @@
if ((wal->x > xmax) && (wal2->x > xmax)) continue;
if ((wal->y < ymin) && (wal2->y < ymin)) continue;
if ((wal->y > ymax) && (wal2->y > ymax)) continue;
-
+
x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y;
-
+
dx = x2-x1; dy = y2-y1;
if (dx*((*y)-y1) < ((*x)-x1)*dy) continue; /* If wall's not facing you */
-
+
if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1);
if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1);
if (dax >= day) continue;
-
+
clipyou = 0;
if ((wal->nextsector < 0) || (wal->cstat&dawalclipmask)) clipyou = 1;
else if (editstatus == 0)
@@ -5988,7 +5988,7 @@
dax = *x, day = *y;
daz = getflorzofslope((short)dasect,dax,day);
daz2 = getflorzofslope(wal->nextsector,dax,day);
-
+
sec2 = §or[wal->nextsector];
if (daz2 < daz-(1<<8))
if ((sec2->floorstat&1) == 0)
@@ -6002,10 +6002,10 @@
if ((*z) <= daz2+(ceildist-1)) clipyou = 1;
}
}
-
+
if (clipyou)
{- /* Add 2 boxes at endpoints */
+ /* Add 2 boxes at endpoints */
bsz = walldist; if (gx < 0) bsz = -bsz;
addclipline(x1-bsz,y1-bsz,x1-bsz,y1+bsz,(short)j+32768);
addclipline(x2-bsz,y2-bsz,x2-bsz,y2+bsz,(short)j+32768);
@@ -6012,7 +6012,7 @@
bsz = walldist; if (gy < 0) bsz = -bsz;
addclipline(x1+bsz,y1-bsz,x1-bsz,y1-bsz,(short)j+32768);
addclipline(x2+bsz,y2-bsz,x2-bsz,y2-bsz,(short)j+32768);
-
+
dax = walldist; if (dy > 0) dax = -dax;
day = walldist; if (dx < 0) day = -day;
addclipline(x1+dax,y1+day,x2+dax,y2+day,(short)j+32768);
@@ -6024,7 +6024,7 @@
if (i < 0) clipsectorlist[clipsectnum++] = wal->nextsector;
}
}
-
+
for(j=headspritesect[dasect];j>=0;j=nextspritesect[j])
{spr = &sprite[j];
@@ -6056,10 +6056,10 @@
daz += ceildist; daz2 -= flordist;
if (((*z) < daz) && ((*z) > daz2))
{- /*
- * These lines get the 2 points of the rotated sprite
- * Given: (x1, y1) starts out as the center point
- */
+ /*
+ * These lines get the 2 points of the rotated sprite
+ * Given: (x1, y1) starts out as the center point
+ */
tilenum = spr->picnum;
xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
if ((cstat&4) > 0) xoff = -xoff;
@@ -6072,7 +6072,7 @@
{dax = mulscale14(sintable[(spr->ang+256+512)&2047],walldist);
day = mulscale14(sintable[(spr->ang+256)&2047],walldist);
-
+
if ((x1-(*x))*(y2-(*y)) >= (x2-(*x))*(y1-(*y))) /* Front */
{addclipline(x1+dax,y1+day,x2+day,y2-dax,(short)j+49152);
@@ -6082,12 +6082,12 @@
if ((cstat&64) != 0) continue;
addclipline(x2-dax,y2-day,x1-day,y1+dax,(short)j+49152);
}
-
- /* Side blocker */
+
+ /* Side blocker */
if ((x2-x1)*((*x)-x1) + (y2-y1)*((*y)-y1) < 0)
- { addclipline(x1-day,y1+dax,x1+dax,y1+day,(short)j+49152); }+ { addclipline(x1-day,y1+dax,x1+dax,y1+day,(short)j+49152); }else if ((x1-x2)*((*x)-x2) + (y1-y2)*((*y)-y2) < 0)
- { addclipline(x2+day,y2-dax,x2-dax,y2-day,(short)j+49152); }+ { addclipline(x2+day,y2-dax,x2-dax,y2-day,(short)j+49152); }}
}
break;
@@ -6098,18 +6098,18 @@
{if ((cstat&64) != 0)
if (((*z) > spr->z) == ((cstat&8)==0)) continue;
-
+
tilenum = spr->picnum;
xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
if ((cstat&4) > 0) xoff = -xoff;
if ((cstat&8) > 0) yoff = -yoff;
-
+
k = spr->ang;
cosang = sintable[(k+512)&2047]; sinang = sintable[k];
xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
-
+
dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
rxi[0] = x1 + dmulscale16(sinang,dax,cosang,day);
ryi[0] = y1 + dmulscale16(sinang,day,-cosang,dax);
@@ -6119,10 +6119,10 @@
l = yspan*yrepeat;
k = -mulscale16(cosang,l); rxi[2] = rxi[1]+k; rxi[3] = rxi[0]+k;
k = -mulscale16(sinang,l); ryi[2] = ryi[1]+k; ryi[3] = ryi[0]+k;
-
+
dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist);
day = mulscale14(sintable[(spr->ang-256)&2047],walldist);
-
+
if ((rxi[0]-(*x))*(ryi[1]-(*y)) < (rxi[1]-(*x))*(ryi[0]-(*y)))
{if (clipinsideboxline(cx,cy,rxi[1],ryi[1],rxi[0],ryi[0],rad) != 0)
@@ -6133,7 +6133,7 @@
if (clipinsideboxline(cx,cy,rxi[3],ryi[3],rxi[2],ryi[2],rad) != 0)
addclipline(rxi[3]+day,ryi[3]-dax,rxi[2]-dax,ryi[2]-day,(short)j+49152);
}
-
+
if ((rxi[1]-(*x))*(ryi[2]-(*y)) < (rxi[2]-(*x))*(ryi[1]-(*y)))
{if (clipinsideboxline(cx,cy,rxi[2],ryi[2],rxi[1],ryi[1],rad) != 0)
@@ -6149,8 +6149,8 @@
}
}
} while (clipsectcnt < clipsectnum);
-
-
+
+
hitwall = 0;
cnt = clipmoveboxtracenum;
do
@@ -6164,7 +6164,7 @@
if (templong2 > 0)
{templong1 = (goalx-intx)*lx + (goaly-inty)*ly;
-
+
if ((klabs(templong1)>>11) < templong2)
i = divscale20(templong1,templong2);
else
@@ -6172,7 +6172,7 @@
goalx = mulscale20(lx,i)+intx;
goaly = mulscale20(ly,i)+inty;
}
-
+
templong1 = dmulscale6(lx,oxvect,ly,oyvect);
for(i=cnt+1;i<=clipmoveboxtracenum;i++)
{@@ -6184,20 +6184,20 @@
return(retval);
}
}
-
+
keepaway(&goalx, &goaly, hitwall);
xvect = ((goalx-intx)<<14);
yvect = ((goaly-inty)<<14);
-
+
if (cnt == clipmoveboxtracenum) retval = clipobjectval[hitwall];
hitwalls[cnt] = hitwall;
}
cnt--;
-
+
*x = intx;
*y = inty;
} while (((xvect|yvect) != 0) && (hitwall >= 0) && (cnt > 0));
-
+
for(j=0;j<clipsectnum;j++)
if (inside(*x,*y,clipsectorlist[j]) == 1)
{@@ -6204,7 +6204,7 @@
*sectnum = clipsectorlist[j];
return(retval);
}
-
+
*sectnum = -1; templong1 = 0x7fffffff;
for(j=numsectors-1;j>=0;j--)
if (inside(*x,*y,j) == 1)
@@ -6213,11 +6213,11 @@
templong2 = (getceilzofslope((short)j,*x,*y)-(*z));
else
templong2 = (sector[j].ceilingz-(*z));
-
+
if (templong2 > 0)
{if (templong2 < templong1)
- { *sectnum = j; templong1 = templong2; }+ { *sectnum = j; templong1 = templong2; }}
else
{@@ -6225,7 +6225,7 @@
templong2 = ((*z)-getflorzofslope((short)j,*x,*y));
else
templong2 = ((*z)-sector[j].floorz);
-
+
if (templong2 <= 0)
{*sectnum = j;
@@ -6232,10 +6232,10 @@
return(retval);
}
if (templong2 < templong1)
- { *sectnum = j; templong1 = templong2; }+ { *sectnum = j; templong1 = templong2; }}
}
-
+
return(retval);
}
@@ -6250,18 +6250,18 @@
int32_t dasprclipmask, dawalclipmask;
short startwall, endwall, clipsectcnt;
uint8_t bad2;
-
+
if ((*sectnum) < 0) return(-1);
-
+
dawalclipmask = (cliptype&65535);
dasprclipmask = (cliptype>>16);
-
+
k = 32;
dir = 1;
do
{bad = 0;
-
+
clipsectorlist[0] = *sectnum;
clipsectcnt = 0; clipsectnum = 1;
do
@@ -6271,7 +6271,7 @@
startwall = sec->wallptr, endwall = startwall + sec->wallnum;
else
endwall = sec->wallptr, startwall = endwall + sec->wallnum;
-
+
for(i=startwall,wal=&wall[startwall];i!=endwall;i+=dir,wal+=dir)
if (clipinsidebox(*x,*y,i,walldist-4) == 1)
{@@ -6281,9 +6281,9 @@
if (j == 0)
{sec2 = §or[wal->nextsector];
-
-
- /* Find closest point on wall (dax, day) to (*x, *y) */
+
+
+ /* Find closest point on wall (dax, day) to (*x, *y) */
dax = wall[wal->point2].x-wal->x;
day = wall[wal->point2].y-wal->y;
daz = dax*((*x)-wal->x) + day*((*y)-wal->y);
@@ -6296,13 +6296,13 @@
}
dax = wal->x + mulscale30(dax,t);
day = wal->y + mulscale30(day,t);
-
-
+
+
daz = getflorzofslope(clipsectorlist[clipsectcnt],dax,day);
daz2 = getflorzofslope(wal->nextsector,dax,day);
if ((daz2 < daz-(1<<8)) && ((sec2->floorstat&1) == 0))
if (*z >= daz2-(flordist-1)) j = 1;
-
+
daz = getceilzofslope(clipsectorlist[clipsectcnt],dax,day);
daz2 = getceilzofslope(wal->nextsector,dax,day);
if ((daz2 > daz+(1<<8)) && ((sec2->ceilingstat&1) == 0))
@@ -6330,39 +6330,39 @@
if (j < 0) clipsectorlist[clipsectnum++] = wal->nextsector;
}
}
-
+
clipsectcnt++;
} while (clipsectcnt < clipsectnum);
dir = -dir;
} while (bad != 0);
-
+
return(bad);
}
/*
- FCS: x and y are the new position of the entity that has just moved:
- lastKnownSector is an hint (the last known sectorID of the entity).
+ FCS: x and y are the new position of the entity that has just moved:
+ lastKnownSector is an hint (the last known sectorID of the entity).
- Thanks to the "hint", the algorithm check:
- 1. Is (x,y) inside sectors[sectnum].
- 2. Flood in sectnum portal and check again if (x,y) is inside.
- 3. Do a linear search on sectors[sectnum] from 0 to numSectors.
-
- Note: Inside uses cross_product and return as soon as the point switch
- from one side to the other.
+ Thanks to the "hint", the algorithm check:
+ 1. Is (x,y) inside sectors[sectnum].
+ 2. Flood in sectnum portal and check again if (x,y) is inside.
+ 3. Do a linear search on sectors[sectnum] from 0 to numSectors.
+
+ Note: Inside uses cross_product and return as soon as the point switch
+ from one side to the other.
*/
void updatesector(int32_t x, int32_t y, short *lastKnownSector)
{walltype *wal;
int32_t i, j;
-
+
//First check the last sector where (old_x,old_y) was before being updated to (x,y)
- if (inside(x,y,*lastKnownSector) )
+ if (inside(x,y,*lastKnownSector) )
{//We found it and (x,y) is still in the same sector: nothing to update !
return;
}
-
+
// Seems (x,y) moved into an other sector....hopefully one connected via a portal. Let's flood in each portal.
if ((*lastKnownSector >= 0) && (*lastKnownSector < numsectors))
{@@ -6381,7 +6381,7 @@
j--;
} while (j != 0);
}
-
+
//Damn that is a BIG move, still cannot find which sector (x,y) belongs to. Let's search via linear search.
for(i=numsectors-1;i>=0;i--)
{@@ -6399,7 +6399,7 @@
void rotatepoint(int32_t xpivot, int32_t ypivot, int32_t x, int32_t y, short daang, int32_t *x2, int32_t *y2)
{int32_t dacos, dasin;
-
+
dacos = sintable[(daang+2560)&2047];
dasin = sintable[(daang+2048)&2047];
x -= xpivot;
@@ -6426,7 +6426,7 @@
{int32_t i, xp1, yp1, xp2=0, yp2, tempy, tempint;
uint8_t mask;
-
+
if (gride > 0)
{yp1 = 200-mulscale14(posye+131072,zoome);
@@ -6433,39 +6433,39 @@
if (yp1 < 0) yp1 = 0;
yp2 = 200-mulscale14(posye-131072,zoome);
if (yp2 >= ydim16) yp2 = ydim16-1;
-
+
if ((yp1 < ydim16) && (yp2 >= 0) && (yp2 >= yp1))
{setcolor16(8);
- #ifdef PLATFORM_DOS
+#ifdef PLATFORM_DOS
koutp(0x3ce,0x8);
- #endif
- tempint = ((yp1*640+pageoffset)>>3)+(int32_t)_getVideoBase();
+#endif
+ tempint = ((yp1*640+pageoffset)>>3)+(int32_t)_getVideoBase();
tempy = yp2-yp1+1;
mask = 0;
xp1 = 320-mulscale14(posxe+131072,zoome);
-
+
for(i=-131072;i<=131072;i+=(2048>>gride))
{xp2 = xp1;
xp1 = 320-mulscale14(posxe-i,zoome);
-
+
if (xp1 >= 640) break;
if (xp1 >= 0)
{-
- #if (defined PLATFORM_DOS)
- if ((xp1|7) != (xp2|7))
- {- koutp(0x3cf,mask);
- if (((xp2>>3) >= 0) && ((xp2>>3) < 80))
- vlin16first(templong+(xp2>>3),tempy);
- mask = 0;
- }
- mask |= pow2char[(xp1&7)^7];
- #else
- drawline16(xp1, 0, xp1, tempy, 8);
- #endif
+
+#if (defined PLATFORM_DOS)
+ if ((xp1|7) != (xp2|7))
+ {+ koutp(0x3cf,mask);
+ if (((xp2>>3) >= 0) && ((xp2>>3) < 80))
+ vlin16first(templong+(xp2>>3),tempy);
+ mask = 0;
+ }
+ mask |= pow2char[(xp1&7)^7];
+#else
+ drawline16(xp1, 0, xp1, tempy, 8);
+#endif
}
}
if ((i >= 131072) && (xp1 < 640))
@@ -6481,7 +6481,7 @@
#endif
}
}
-
+
xp1 = mulscale14(posxe+131072,zoome);
xp2 = mulscale14(posxe-131072,zoome);
tempy = 0x80000000;
@@ -6505,18 +6505,18 @@
walltype *wal;
int32_t i, j, xp1, yp1, xp2, yp2, tempint;
uint8_t col;
-
+
if (qsetmode == 200) return;
-
+
if (editstatus == 0)
{faketimerhandler();
clear2dscreen();
-
+
faketimerhandler();
draw2dgrid(posxe,posye,ange,zoome,gride);
}
-
+
faketimerhandler();
for(i=numwalls-1,wal=&wall[i];i>=0;i--,wal--)
{@@ -6532,7 +6532,7 @@
j = wal->nextwall;
if ((j >= 0) && (i > j)) continue;
}
-
+
if (j < 0)
{col = 7;
@@ -6545,12 +6545,12 @@
if ((i == linehighlight) || ((linehighlight >= 0) && (i == wall[linehighlight].nextwall)))
col += ((numframes&2)<<2);
}
-
+
xp1 = mulscale14(wal->x-posxe,zoome);
yp1 = mulscale14(wal->y-posye,zoome);
xp2 = mulscale14(wall[wal->point2].x-posxe,zoome);
yp2 = mulscale14(wall[wal->point2].y-posye,zoome);
-
+
if ((wal->cstat&64) > 0)
{if (klabs(xp2-xp1) >= klabs(yp2-yp1))
@@ -6566,7 +6566,7 @@
col += 8;
}
drawline16(320+xp1,200+yp1,320+xp2,200+yp2,col);
-
+
if ((zoome >= 256) && (editstatus == 1))
if (((320+xp1) >= 2) && ((320+xp1) <= 637))
if (((200+yp1) >= 2) && ((200+yp1) <= ydim16-3))
@@ -6578,28 +6578,28 @@
if (show2dwall[i>>3]&pow2char[i&7])
col += ((numframes&2)<<2);
}
-
-
+
+
tempint = (mul5(200+yp1)<<7)+(320+xp1);
-
+
setcolor16((long)col);
-
+
drawpixel16(tempint-2-1280);
drawpixel16(tempint-1-1280);
drawpixel16(tempint+0-1280);
drawpixel16(tempint+1-1280);
drawpixel16(tempint+2-1280);
-
+
drawpixel16(tempint-2+1280);
drawpixel16(tempint-1+1280);
drawpixel16(tempint+0+1280);
drawpixel16(tempint+1+1280);
drawpixel16(tempint+2+1280);
-
+
drawpixel16(tempint-2-640);
drawpixel16(tempint-2+0);
drawpixel16(tempint-2+640);
-
+
drawpixel16(tempint+2-640);
drawpixel16(tempint+2+0);
drawpixel16(tempint+2+640);
@@ -6606,7 +6606,7 @@
}
}
faketimerhandler();
-
+
if ((zoome >= 256) || (editstatus == 0))
for(i=0;i<numsectors;i++)
for(j=headspritesect[i];j>=0;j=nextspritesect[j])
@@ -6624,41 +6624,41 @@
col += ((numframes&2)<<2);
}
}
-
+
xp1 = mulscale14(sprite[j].x-posxe,zoome);
yp1 = mulscale14(sprite[j].y-posye,zoome);
if (((320+xp1) >= 2) && ((320+xp1) <= 637))
if (((200+yp1) >= 2) && ((200+yp1) <= ydim16-3))
{-
+
tempint = (mul5(200+yp1)<<7)+(320+xp1);
-
-
+
+
setcolor16((long)col);
drawpixel16(tempint-1-1280);
drawpixel16(tempint+0-1280);
drawpixel16(tempint+1-1280);
-
+
drawpixel16(tempint-1+1280);
drawpixel16(tempint+0+1280);
drawpixel16(tempint+1+1280);
-
+
drawpixel16(tempint-2-640);
drawpixel16(tempint-2+0);
drawpixel16(tempint-2+640);
-
+
drawpixel16(tempint+2-640);
drawpixel16(tempint+2+0);
drawpixel16(tempint+2+640);
-
+
drawpixel16(tempint+1+640);
drawpixel16(tempint-1+640);
drawpixel16(tempint+1-640);
drawpixel16(tempint-1-640);
-
+
xp2 = mulscale11(sintable[(sprite[j].ang+2560)&2047],zoome) / 768;
yp2 = mulscale11(sintable[(sprite[j].ang+2048)&2047],zoome) / 768;
-
+
if ((sprite[j].cstat&256) > 0)
{if (((sprite[j].ang+256)&512) == 0)
@@ -6676,7 +6676,7 @@
drawline16(320+xp1,200+yp1,320+xp1+xp2,200+yp1+yp2,col);
}
}
-
+
faketimerhandler();
xp1 = mulscale11(sintable[(ange+2560)&2047],zoome) / 768; /* Draw white arrow */
yp1 = mulscale11(sintable[(ange+2048)&2047],zoome) / 768;
@@ -6700,12 +6700,12 @@
{int32_t stx, i, x, y, charxsiz;
uint8_t *fontptr, *letptr, *ptr;
-
+
stx = xpos;
-
+
if (fontsize) { fontptr = smalltextfont; charxsiz = 4; }- else { fontptr = textfont; charxsiz = 8; }-
+ else { fontptr = textfont; charxsiz = 8; }+
for(i=0;name[i];i++)
{letptr = &fontptr[name[i]<<3];
@@ -6723,7 +6723,7 @@
}
stx += charxsiz;
}
-
+
if (should_update)
_updateScreenRect(xpos, ypos, charxsiz * i, 8);
}
@@ -6748,1414 +6748,1414 @@
uint8_t filename[2048];
FILE *pFile;
#else
-int krand()
-{+ int krand()
+ {#endif
-
- randomseed = (randomseed*27584621)+1;
-
+
+ randomseed = (randomseed*27584621)+1;
+
#ifdef DBGRECORD
- for(i=0; file[i]; i++)
- {- if(file[i]=='\\')
- {- i++;
- k = 0;
- }
- filename[k++]=(file[i]=='.')?0:file[i];
- }
- // printf("%-5d %-8s %-8x\n", line, filename, randomseed);- pFile = fopen("c:\\temp\\krand.txt","a");- fprintf(pFile,"%-4d %-5s %-6x\n", line, filename, randomseed);
- fclose(pFile);
+ for(i=0; file[i]; i++)
+ {+ if(file[i]=='\\')
+ {+ i++;
+ k = 0;
+ }
+ filename[k++]=(file[i]=='.')?0:file[i];
+ }
+ // printf("%-5d %-8s %-8x\n", line, filename, randomseed);+ pFile = fopen("c:\\temp\\krand.txt","a");+ fprintf(pFile,"%-4d %-5s %-6x\n", line, filename, randomseed);
+ fclose(pFile);
#endif
-
- return(((uint32_t )randomseed)>>16);
-}
-
-
-void getzrange(int32_t x, int32_t y, int32_t z, short sectnum,
- int32_t *ceilz, int32_t *ceilhit, int32_t *florz, int32_t *florhit,
- int32_t walldist, uint32_t cliptype)
-{- sectortype *sec;
- walltype *wal, *wal2;
- spritetype *spr;
- int32_t clipsectcnt, startwall, endwall, tilenum, xoff, yoff, dax, day;
- int32_t xmin, ymin, xmax, ymax, i, j, k, l, daz, daz2, dx, dy;
- int32_t x1, y1, x2, y2, x3, y3, x4, y4, ang, cosang, sinang;
- int32_t xspan, yspan, xrepeat, yrepeat, dasprclipmask, dawalclipmask;
- short cstat;
- uint8_t clipyou;
-
- if (sectnum < 0)
- {- *ceilz = 0x80000000; *ceilhit = -1;
- *florz = 0x7fffffff; *florhit = -1;
- return;
- }
-
+
+ return(((uint32_t )randomseed)>>16);
+ }
+
+
+ void getzrange(int32_t x, int32_t y, int32_t z, short sectnum,
+ int32_t *ceilz, int32_t *ceilhit, int32_t *florz, int32_t *florhit,
+ int32_t walldist, uint32_t cliptype)
+ {+ sectortype *sec;
+ walltype *wal, *wal2;
+ spritetype *spr;
+ int32_t clipsectcnt, startwall, endwall, tilenum, xoff, yoff, dax, day;
+ int32_t xmin, ymin, xmax, ymax, i, j, k, l, daz, daz2, dx, dy;
+ int32_t x1, y1, x2, y2, x3, y3, x4, y4, ang, cosang, sinang;
+ int32_t xspan, yspan, xrepeat, yrepeat, dasprclipmask, dawalclipmask;
+ short cstat;
+ uint8_t clipyou;
+
+ if (sectnum < 0)
+ {+ *ceilz = 0x80000000; *ceilhit = -1;
+ *florz = 0x7fffffff; *florhit = -1;
+ return;
+ }
+
/* Extra walldist for sprites on sector lines */
- i = walldist+MAXCLIPDIST+1;
- xmin = x-i; ymin = y-i;
- xmax = x+i; ymax = y+i;
-
- getzsofslope(sectnum,x,y,ceilz,florz);
- *ceilhit = sectnum+16384; *florhit = sectnum+16384;
-
- dawalclipmask = (cliptype&65535);
- dasprclipmask = (cliptype>>16);
-
- clipsectorlist[0] = sectnum;
- clipsectcnt = 0; clipsectnum = 1;
-
- do /* Collect sectors inside your square first */
- {- sec = §or[clipsectorlist[clipsectcnt]];
- startwall = sec->wallptr; endwall = startwall + sec->wallnum;
- for(j=startwall,wal=&wall[startwall];j<endwall;j++,wal++)
- {- k = wal->nextsector;
- if (k >= 0)
- {- wal2 = &wall[wal->point2];
- x1 = wal->x; x2 = wal2->x;
- if ((x1 < xmin) && (x2 < xmin)) continue;
- if ((x1 > xmax) && (x2 > xmax)) continue;
- y1 = wal->y; y2 = wal2->y;
- if ((y1 < ymin) && (y2 < ymin)) continue;
- if ((y1 > ymax) && (y2 > ymax)) continue;
-
- dx = x2-x1; dy = y2-y1;
- if (dx*(y-y1) < (x-x1)*dy) continue; /* back */
- if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1);
- if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1);
- if (dax >= day) continue;
-
- if (wal->cstat&dawalclipmask) continue;
- sec = §or[k];
- if (editstatus == 0)
- {- if (((sec->ceilingstat&1) == 0) && (z <= sec->ceilingz+(3<<8))) continue;
- if (((sec->floorstat&1) == 0) && (z >= sec->floorz-(3<<8))) continue;
- }
-
- for(i=clipsectnum-1;i>=0;i--) if (clipsectorlist[i] == k) break;
- if (i < 0) clipsectorlist[clipsectnum++] = k;
-
- if ((x1 < xmin+MAXCLIPDIST) && (x2 < xmin+MAXCLIPDIST)) continue;
- if ((x1 > xmax-MAXCLIPDIST) && (x2 > xmax-MAXCLIPDIST)) continue;
- if ((y1 < ymin+MAXCLIPDIST) && (y2 < ymin+MAXCLIPDIST)) continue;
- if ((y1 > ymax-MAXCLIPDIST) && (y2 > ymax-MAXCLIPDIST)) continue;
- if (dx > 0) dax += dx*MAXCLIPDIST; else dax -= dx*MAXCLIPDIST;
- if (dy > 0) day -= dy*MAXCLIPDIST; else day += dy*MAXCLIPDIST;
- if (dax >= day) continue;
-
+ i = walldist+MAXCLIPDIST+1;
+ xmin = x-i; ymin = y-i;
+ xmax = x+i; ymax = y+i;
+
+ getzsofslope(sectnum,x,y,ceilz,florz);
+ *ceilhit = sectnum+16384; *florhit = sectnum+16384;
+
+ dawalclipmask = (cliptype&65535);
+ dasprclipmask = (cliptype>>16);
+
+ clipsectorlist[0] = sectnum;
+ clipsectcnt = 0; clipsectnum = 1;
+
+ do /* Collect sectors inside your square first */
+ {+ sec = §or[clipsectorlist[clipsectcnt]];
+ startwall = sec->wallptr; endwall = startwall + sec->wallnum;
+ for(j=startwall,wal=&wall[startwall];j<endwall;j++,wal++)
+ {+ k = wal->nextsector;
+ if (k >= 0)
+ {+ wal2 = &wall[wal->point2];
+ x1 = wal->x; x2 = wal2->x;
+ if ((x1 < xmin) && (x2 < xmin)) continue;
+ if ((x1 > xmax) && (x2 > xmax)) continue;
+ y1 = wal->y; y2 = wal2->y;
+ if ((y1 < ymin) && (y2 < ymin)) continue;
+ if ((y1 > ymax) && (y2 > ymax)) continue;
+
+ dx = x2-x1; dy = y2-y1;
+ if (dx*(y-y1) < (x-x1)*dy) continue; /* back */
+ if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1);
+ if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1);
+ if (dax >= day) continue;
+
+ if (wal->cstat&dawalclipmask) continue;
+ sec = §or[k];
+ if (editstatus == 0)
+ {+ if (((sec->ceilingstat&1) == 0) && (z <= sec->ceilingz+(3<<8))) continue;
+ if (((sec->floorstat&1) == 0) && (z >= sec->floorz-(3<<8))) continue;
+ }
+
+ for(i=clipsectnum-1;i>=0;i--) if (clipsectorlist[i] == k) break;
+ if (i < 0) clipsectorlist[clipsectnum++] = k;
+
+ if ((x1 < xmin+MAXCLIPDIST) && (x2 < xmin+MAXCLIPDIST)) continue;
+ if ((x1 > xmax-MAXCLIPDIST) && (x2 > xmax-MAXCLIPDIST)) continue;
+ if ((y1 < ymin+MAXCLIPDIST) && (y2 < ymin+MAXCLIPDIST)) continue;
+ if ((y1 > ymax-MAXCLIPDIST) && (y2 > ymax-MAXCLIPDIST)) continue;
+ if (dx > 0) dax += dx*MAXCLIPDIST; else dax -= dx*MAXCLIPDIST;
+ if (dy > 0) day -= dy*MAXCLIPDIST; else day += dy*MAXCLIPDIST;
+ if (dax >= day) continue;
+
/* It actually got here, through all the continue's! */
- getzsofslope((short)k,x,y,&daz,&daz2);
- if (daz > *ceilz) { *ceilz = daz; *ceilhit = k+16384; }- if (daz2 < *florz) { *florz = daz2; *florhit = k+16384; }- }
- }
- clipsectcnt++;
- } while (clipsectcnt < clipsectnum);
-
- for(i=0;i<clipsectnum;i++)
- {- for(j=headspritesect[clipsectorlist[i]];j>=0;j=nextspritesect[j])
- {- spr = &sprite[j];
- cstat = spr->cstat;
- if (cstat&dasprclipmask)
- {- x1 = spr->x; y1 = spr->y;
-
- clipyou = 0;
- switch(cstat&48)
- {- case 0:
- k = walldist+(spr->clipdist<<2)+1;
- if ((klabs(x1-x) <= k) && (klabs(y1-y) <= k))
- {- daz = spr->z;
- k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1);
- if (cstat&128) daz += k;
- if (picanm[spr->picnum]&0x00ff0000) daz -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
- daz2 = daz - (k<<1);
- clipyou = 1;
- }
- break;
- case 16:
- tilenum = spr->picnum;
- xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
- if ((cstat&4) > 0) xoff = -xoff;
- k = spr->ang; l = spr->xrepeat;
- dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l;
- l = tilesizx[tilenum]; k = (l>>1)+xoff;
- x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
- y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
- if (clipinsideboxline(x,y,x1,y1,x2,y2,walldist+1) != 0)
- {- daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1);
- if (cstat&128) daz += k;
- if (picanm[spr->picnum]&0x00ff0000) daz -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
- daz2 = daz-(k<<1);
- clipyou = 1;
- }
- break;
- case 32:
- daz = spr->z; daz2 = daz;
-
- if ((cstat&64) != 0)
- if ((z > daz) == ((cstat&8)==0)) continue;
-
- tilenum = spr->picnum;
- xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
- yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
- if ((cstat&4) > 0) xoff = -xoff;
- if ((cstat&8) > 0) yoff = -yoff;
-
- ang = spr->ang;
- cosang = sintable[(ang+512)&2047]; sinang = sintable[ang];
- xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
- yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
-
- dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
- x1 += dmulscale16(sinang,dax,cosang,day)-x;
- y1 += dmulscale16(sinang,day,-cosang,dax)-y;
- l = xspan*xrepeat;
- x2 = x1 - mulscale16(sinang,l);
- y2 = y1 + mulscale16(cosang,l);
- l = yspan*yrepeat;
- k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k;
- k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k;
-
- dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist+4);
- day = mulscale14(sintable[(spr->ang-256)&2047],walldist+4);
- x1 += dax; x2 -= day; x3 -= dax; x4 += day;
- y1 += day; y2 += dax; y3 -= day; y4 -= dax;
-
- if ((y1^y2) < 0)
- {- if ((x1^x2) < 0) clipyou ^= (x1*y2<x2*y1)^(y1<y2);
- else if (x1 >= 0) clipyou ^= 1;
- }
- if ((y2^y3) < 0)
- {- if ((x2^x3) < 0) clipyou ^= (x2*y3<x3*y2)^(y2<y3);
- else if (x2 >= 0) clipyou ^= 1;
- }
- if ((y3^y4) < 0)
- {- if ((x3^x4) < 0) clipyou ^= (x3*y4<x4*y3)^(y3<y4);
- else if (x3 >= 0) clipyou ^= 1;
- }
- if ((y4^y1) < 0)
- {- if ((x4^x1) < 0) clipyou ^= (x4*y1<x1*y4)^(y4<y1);
- else if (x4 >= 0) clipyou ^= 1;
- }
- break;
- }
-
- if (clipyou != 0)
- {- if ((z > daz) && (daz > *ceilz)) { *ceilz = daz; *ceilhit = j+49152; }- if ((z < daz2) && (daz2 < *florz)) { *florz = daz2; *florhit = j+49152; }- }
- }
- }
- }
-}
-
-
-void setview(int32_t x1, int32_t y1, int32_t x2, int32_t y2)
-{- int32_t i;
-
- windowx1 = x1; wx1 = (x1<<12);
- windowy1 = y1; wy1 = (y1<<12);
- windowx2 = x2; wx2 = ((x2+1)<<12);
- windowy2 = y2; wy2 = ((y2+1)<<12);
-
- xdimen = (x2-x1)+1; halfxdimen = (xdimen>>1);
- xdimenrecip = divscale32(1L,xdimen);
- ydimen = (y2-y1)+1;
-
- setaspect(65536L,(long)divscale16(ydim*320L,xdim*200L));
-
- for(i=0;i<windowx1;i++) { startumost[i] = 1, startdmost[i] = 0; }- for(i=windowx1;i<=windowx2;i++)
+ getzsofslope((short)k,x,y,&daz,&daz2);
+ if (daz > *ceilz) { *ceilz = daz; *ceilhit = k+16384; }+ if (daz2 < *florz) { *florz = daz2; *florhit = k+16384; }+ }
+ }
+ clipsectcnt++;
+ } while (clipsectcnt < clipsectnum);
+
+ for(i=0;i<clipsectnum;i++)
+ {+ for(j=headspritesect[clipsectorlist[i]];j>=0;j=nextspritesect[j])
+ {+ spr = &sprite[j];
+ cstat = spr->cstat;
+ if (cstat&dasprclipmask)
+ {+ x1 = spr->x; y1 = spr->y;
+
+ clipyou = 0;
+ switch(cstat&48)
+ {+ case 0:
+ k = walldist+(spr->clipdist<<2)+1;
+ if ((klabs(x1-x) <= k) && (klabs(y1-y) <= k))
+ {+ daz = spr->z;
+ k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1);
+ if (cstat&128) daz += k;
+ if (picanm[spr->picnum]&0x00ff0000) daz -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
+ daz2 = daz - (k<<1);
+ clipyou = 1;
+ }
+ break;
+ case 16:
+ tilenum = spr->picnum;
+ xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
+ if ((cstat&4) > 0) xoff = -xoff;
+ k = spr->ang; l = spr->xrepeat;
+ dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l;
+ l = tilesizx[tilenum]; k = (l>>1)+xoff;
+ x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l);
+ y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l);
+ if (clipinsideboxline(x,y,x1,y1,x2,y2,walldist+1) != 0)
+ {+ daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1);
+ if (cstat&128) daz += k;
+ if (picanm[spr->picnum]&0x00ff0000) daz -= ((long)((int8_t )((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2);
+ daz2 = daz-(k<<1);
+ clipyou = 1;
+ }
+ break;
+ case 32:
+ daz = spr->z; daz2 = daz;
+
+ if ((cstat&64) != 0)
+ if ((z > daz) == ((cstat&8)==0)) continue;
+
+ tilenum = spr->picnum;
+ xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
+ yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
+ if ((cstat&4) > 0) xoff = -xoff;
+ if ((cstat&8) > 0) yoff = -yoff;
+
+ ang = spr->ang;
+ cosang = sintable[(ang+512)&2047]; sinang = sintable[ang];
+ xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
+ yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
+
+ dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat;
+ x1 += dmulscale16(sinang,dax,cosang,day)-x;
+ y1 += dmulscale16(sinang,day,-cosang,dax)-y;
+ l = xspan*xrepeat;
+ x2 = x1 - mulscale16(sinang,l);
+ y2 = y1 + mulscale16(cosang,l);
+ l = yspan*yrepeat;
+ k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k;
+ k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k;
+
+ dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist+4);
+ day = mulscale14(sintable[(spr->ang-256)&2047],walldist+4);
+ x1 += dax; x2 -= day; x3 -= dax; x4 += day;
+ y1 += day; y2 += dax; y3 -= day; y4 -= dax;
+
+ if ((y1^y2) < 0)
+ {+ if ((x1^x2) < 0) clipyou ^= (x1*y2<x2*y1)^(y1<y2);
+ else if (x1 >= 0) clipyou ^= 1;
+ }
+ if ((y2^y3) < 0)
+ {+ if ((x2^x3) < 0) clipyou ^= (x2*y3<x3*y2)^(y2<y3);
+ else if (x2 >= 0) clipyou ^= 1;
+ }
+ if ((y3^y4) < 0)
+ {+ if ((x3^x4) < 0) clipyou ^= (x3*y4<x4*y3)^(y3<y4);
+ else if (x3 >= 0) clipyou ^= 1;
+ }
+ if ((y4^y1) < 0)
+ {+ if ((x4^x1) < 0) clipyou ^= (x4*y1<x1*y4)^(y4<y1);
+ else if (x4 >= 0) clipyou ^= 1;
+ }
+ break;
+ }
+
+ if (clipyou != 0)
+ {+ if ((z > daz) && (daz > *ceilz)) { *ceilz = daz; *ceilhit = j+49152; }+ if ((z < daz2) && (daz2 < *florz)) { *florz = daz2; *florhit = j+49152; }+ }
+ }
+ }
+ }
+ }
+
+
+ void setview(int32_t x1, int32_t y1, int32_t x2, int32_t y2)
+ {+ int32_t i;
+
+ windowx1 = x1; wx1 = (x1<<12);
+ windowy1 = y1; wy1 = (y1<<12);
+ windowx2 = x2; wx2 = ((x2+1)<<12);
+ windowy2 = y2; wy2 = ((y2+1)<<12);
+
+ xdimen = (x2-x1)+1; halfxdimen = (xdimen>>1);
+ xdimenrecip = divscale32(1L,xdimen);
+ ydimen = (y2-y1)+1;
+
+ setaspect(65536L,(long)divscale16(ydim*320L,xdim*200L));
+
+ for(i=0;i<windowx1;i++) { startumost[i] = 1, startdmost[i] = 0; }+ for(i=windowx1;i<=windowx2;i++)
{ startumost[i] = windowy1, startdmost[i] = windowy2+1; }- for(i=windowx2+1;i<xdim;i++) { startumost[i] = 1, startdmost[i] = 0; }-
- viewoffset = windowy1*bytesperline + windowx1;
-
- if ((stereomode) || (vidoption == 6))
- {- ostereopixelwidth = stereopixelwidth;
- xdimen = (windowx2-windowx1+1)+(stereopixelwidth<<1); halfxdimen = (xdimen>>1);
- xdimenrecip = divscale32(1L,xdimen);
- setaspect((long)divscale16(xdimen,windowx2-windowx1+1),yxaspect);
- }
-}
-
-
-void setaspect(int32_t daxrange, int32_t daaspect)
-{- viewingrange = daxrange;
- viewingrangerecip = divscale32(1L,daxrange);
-
- yxaspect = daaspect;
- xyaspect = divscale32(1,yxaspect);
- xdimenscale = scale(xdimen,yxaspect,320);
- xdimscale = scale(320,xyaspect,xdimen);
-}
-
-
-void flushperms(void)
-{- permhead = permtail = 0;
-}
-
-// Render a sprite on screen. This is used by the Engine but also the Game module
-// when drawing the HUD or the Weapon held by the player !!!
-void rotatesprite(int32_t sx, int32_t sy, int32_t z, short a, short picnum,
- int8_t dashade, uint8_t dapalnum, uint8_t dastat,
- int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
-{- int32_t i;
- permfifotype *per, *per2;
-
- if ((cx1 > cx2) || (cy1 > cy2)) return;
- if (z <= 16) return;
- if (picanm[picnum]&192) picnum += animateoffs(picnum,(short)0xc000);
- if ((tilesizx[picnum] <= 0) || (tilesizy[picnum] <= 0)) return;
-
- if (((dastat&128) == 0) || (numpages < 2) || (beforedrawrooms != 0))
- dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2);
-
- if ((dastat&64) && (cx1 <= 0) && (cy1 <= 0) && (cx2 >= xdim-1) && (cy2 >= ydim-1) &&
- (sx == (160<<16)) && (sy == (100<<16)) && (z == 65536L) && (a == 0) && ((dastat&1) == 0))
- permhead = permtail = 0;
-
- if ((dastat&128) == 0) return;
- if (numpages >= 2)
- {- per = &permfifo[permhead];
- per->sx = sx; per->sy = sy; per->z = z; per->a = a;
- per->picnum = picnum;
- per->dashade = dashade; per->dapalnum = dapalnum;
- per->dastat = dastat;
- per->pagesleft = numpages+((beforedrawrooms&1)<<7);
- per->cx1 = cx1; per->cy1 = cy1; per->cx2 = cx2; per->cy2 = cy2;
-
- /* Would be better to optimize out true bounding boxes */
- if (dastat&64) /* If non-masking write, checking for overlapping cases */
- {- for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
- {- per2 = &permfifo[i];
- if ((per2->pagesleft&127) == 0) continue;
- if (per2->sx != per->sx) continue;
- if (per2->sy != per->sy) continue;
- if (per2->z != per->z) continue;
- if (per2->a != per->a) continue;
- if (tilesizx[per2->picnum] > tilesizx[per->picnum]) continue;
- if (tilesizy[per2->picnum] > tilesizy[per->picnum]) continue;
- if (per2->cx1 < per->cx1) continue;
- if (per2->cy1 < per->cy1) continue;
- if (per2->cx2 > per->cx2) continue;
- if (per2->cy2 > per->cy2) continue;
- per2->pagesleft = 0;
- }
- if ((per->z == 65536) && (per->a == 0))
- for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
- {- per2 = &permfifo[i];
- if ((per2->pagesleft&127) == 0) continue;
- if (per2->z != 65536) continue;
- if (per2->a != 0) continue;
- if (per2->cx1 < per->cx1) continue;
- if (per2->cy1 < per->cy1) continue;
- if (per2->cx2 > per->cx2) continue;
- if (per2->cy2 > per->cy2) continue;
- if ((per2->sx>>16) < (per->sx>>16)) continue;
- if ((per2->sy>>16) < (per->sy>>16)) continue;
- if ((per2->sx>>16)+tilesizx[per2->picnum] > (per->sx>>16)+tilesizx[per->picnum]) continue;
- if ((per2->sy>>16)+tilesizy[per2->picnum] > (per->sy>>16)+tilesizy[per->picnum]) continue;
- per2->pagesleft = 0;
- }
- }
-
- permhead = ((permhead+1)&(MAXPERMS-1));
- }
-}
-
-
-static int getclosestcol(int32_t r, int32_t g, int32_t b)
-{- int32_t i, j, k, dist, mindist, retcol;
- uint8_t *pal1;
-
- j = (r>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ+(g>>3)*FASTPALGRIDSIZ+(b>>3)+FASTPALGRIDSIZ*FASTPALGRIDSIZ+FASTPALGRIDSIZ+1;
- mindist = min(rdist[coldist[r&7]+64+8],gdist[coldist[g&7]+64+8]);
- mindist = min(mindist,bdist[coldist[b&7]+64+8]);
- mindist++;
-
- r = 64-r; g = 64-g; b = 64-b;
-
- retcol = -1;
- for(k=26;k>=0;k--)
- {- i = colscan[k]+j; if ((colhere[i>>3]&pow2char[i&7]) == 0) continue;
- i = colhead[i];
- do
- {- pal1 = (uint8_t *)&palette[i*3];
- dist = gdist[pal1[1]+g];
- if (dist < mindist)
- {- dist += rdist[pal1[0]+r];
- if (dist < mindist)
- {- dist += bdist[pal1[2]+b];
- if (dist < mindist) { mindist = dist; retcol = i; }- }
- }
- i = colnext[i];
- } while (i >= 0);
- }
- if (retcol >= 0) return(retcol);
-
- mindist = 0x7fffffff;
- pal1 = (uint8_t *)&palette[768-3];
- for(i=255;i>=0;i--,pal1-=3)
- {- dist = gdist[pal1[1]+g]; if (dist >= mindist) continue;
- dist += rdist[pal1[0]+r]; if (dist >= mindist) continue;
- dist += bdist[pal1[2]+b]; if (dist >= mindist) continue;
- mindist = dist; retcol = i;
- }
- return(retcol);
-}
-
-
-void makepalookup(int32_t palnum, uint8_t *remapbuf, int8_t r,
- int8_t g, int8_t b, uint8_t dastat)
-{- int32_t i, j, dist, palscale;
- uint8_t *ptr, *ptr2;
-
- if (paletteloaded == 0) return;
-
- if (palookup[palnum] == NULL)
- {- /* Allocate palookup buffer */
- if ((palookup[palnum] = (uint8_t *)kkmalloc(numpalookups<<8)) == NULL)
- allocache((int32_t *)&palookup[palnum],numpalookups<<8,&permanentlock);
- }
-
- if (dastat == 0) return;
- if ((r|g|b|63) != 63) return;
-
- if ((r|g|b) == 0)
- {- for(i=0;i<256;i++)
- {- ptr = (uint8_t *)(FP_OFF(palookup[0])+remapbuf[i]);
- ptr2 = (uint8_t *)(FP_OFF(palookup[palnum])+i);
- for(j=0;j<numpalookups;j++)
- { *ptr2 = *ptr; ptr += 256; ptr2 += 256; }- }
- }
- else
- {- ptr2 = (uint8_t *)FP_OFF(palookup[palnum]);
- for(i=0;i<numpalookups;i++)
- {- palscale = divscale16(i,numpalookups);
- for(j=0;j<256;j++)
- {- ptr = (uint8_t *)&palette[remapbuf[j]*3];
- *ptr2++ = getclosestcol((long)ptr[0]+mulscale16(r-ptr[0],palscale),
- (long)ptr[1]+mulscale16(g-ptr[1],palscale),
- (long)ptr[2]+mulscale16(b-ptr[2],palscale));
- }
- }
- }
-
- if ((vidoption == 6) && (qsetmode == 200))
- {- for(i=0;i<256;i++)
- {- dist = palette[i*3]*3+palette[i*3+1]*5+palette[i*3+2]*2;
- ptr = (uint8_t *)(FP_OFF(palookup[palnum])+i);
- for(j=0;j<32;j++)
- ptr[j<<8] = (uint8_t )min(max(mulscale10(dist,32-j),0),15);
- }
- }
-}
-
-
-void setbrightness(uint8_t dabrightness, uint8_t *dapal)
-{- int32_t i, j, k;
-
- curbrightness = min(max((long)dabrightness,0),15);
-
- k = 0;
- if (vidoption == 6)
- {- for(j=0;j<16;j++)
- for(i=0;i<16;i++)
- {- tempbuf[k++] = britable[curbrightness][j<<2];
- tempbuf[k++] = 0;
- tempbuf[k++] = britable[curbrightness][i<<2];
- tempbuf[k++] = 0;
- }
- }
- else
- {- for(i=0;i<256;i++)
- {- tempbuf[k++] = britable[curbrightness][dapal[i*3+2]];
- tempbuf[k++] = britable[curbrightness][dapal[i*3+1]];
- tempbuf[k++] = britable[curbrightness][dapal[i*3+0]];
- tempbuf[k++] = 0;
- }
- }
-
- VBE_setPalette(0, 256, (uint8_t *) tempbuf);
-}
-
-//This is only used by drawmapview.
-static void fillpolygon(int32_t npoints)
-{- int32_t z, zz, x1, y1, x2, y2, miny, maxy, y, xinc, cnt;
- int32_t ox, oy, bx, by, p, day1, day2;
- short *ptr, *ptr2;
-
- miny = 0x7fffffff; maxy = 0x80000000;
- for(z=npoints-1;z>=0;z--)
- { y = ry1[z]; miny = min(miny,y); maxy = max(maxy,y); }- miny = (miny>>12); maxy = (maxy>>12);
- if (miny < 0) miny = 0;
- if (maxy >= ydim) maxy = ydim-1;
- ptr = smost; /* They're pointers! - watch how you optimize this thing */
- for(y=miny;y<=maxy;y++)
- {- dotp1[y] = ptr; dotp2[y] = ptr+(MAXNODESPERLINE>>1);
- ptr += MAXNODESPERLINE;
- }
-
- for(z=npoints-1;z>=0;z--)
- {- zz = xb1[z];
- y1 = ry1[z]; day1 = (y1>>12);
- y2 = ry1[zz]; day2 = (y2>>12);
- if (day1 != day2)
- {- x1 = rx1[z]; x2 = rx1[zz];
- xinc = divscale12(x2-x1,y2-y1);
- if (day2 > day1)
- {- x1 += mulscale12((day1<<12)+4095-y1,xinc);
- for(y=day1;y<day2;y++) { *dotp2[y]++ = (x1>>12); x1 += xinc; }- }
- else
- {- x2 += mulscale12((day2<<12)+4095-y2,xinc);
- for(y=day2;y<day1;y++) { *dotp1[y]++ = (x2>>12); x2 += xinc; }- }
- }
- }
-
- globalx1 = mulscale16(globalx1,xyaspect);
- globaly2 = mulscale16(globaly2,xyaspect);
-
- oy = miny+1-(ydim>>1);
- globalposx += oy*globalx1;
- globalposy += oy*globaly2;
-
- setuphlineasm4(asm1,asm2);
-
- ptr = smost;
- for(y=miny;y<=maxy;y++)
- {- cnt = dotp1[y]-ptr; ptr2 = ptr+(MAXNODESPERLINE>>1);
- for(z=cnt-1;z>=0;z--)
- {- day1 = 0; day2 = 0;
- for(zz=z;zz>0;zz--)
- {- if (ptr[zz] < ptr[day1]) day1 = zz;
- if (ptr2[zz] < ptr2[day2]) day2 = zz;
- }
- x1 = ptr[day1]; ptr[day1] = ptr[z];
- x2 = ptr2[day2]-1; ptr2[day2] = ptr2[z];
- if (x1 > x2) continue;
-
- if (globalpolytype < 1)
- {+ for(i=windowx2+1;i<xdim;i++) { startumost[i] = 1, startdmost[i] = 0; }+
+ viewoffset = windowy1*bytesperline + windowx1;
+
+ if ((stereomode) || (vidoption == 6))
+ {+ ostereopixelwidth = stereopixelwidth;
+ xdimen = (windowx2-windowx1+1)+(stereopixelwidth<<1); halfxdimen = (xdimen>>1);
+ xdimenrecip = divscale32(1L,xdimen);
+ setaspect((long)divscale16(xdimen,windowx2-windowx1+1),yxaspect);
+ }
+ }
+
+
+ void setaspect(int32_t daxrange, int32_t daaspect)
+ {+ viewingrange = daxrange;
+ viewingrangerecip = divscale32(1L,daxrange);
+
+ yxaspect = daaspect;
+ xyaspect = divscale32(1,yxaspect);
+ xdimenscale = scale(xdimen,yxaspect,320);
+ xdimscale = scale(320,xyaspect,xdimen);
+ }
+
+
+ void flushperms(void)
+ {+ permhead = permtail = 0;
+ }
+
+ // Render a sprite on screen. This is used by the Engine but also the Game module
+ // when drawing the HUD or the Weapon held by the player !!!
+ void rotatesprite(int32_t sx, int32_t sy, int32_t z, short a, short picnum,
+ int8_t dashade, uint8_t dapalnum, uint8_t dastat,
+ int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
+ {+ int32_t i;
+ permfifotype *per, *per2;
+
+ if ((cx1 > cx2) || (cy1 > cy2)) return;
+ if (z <= 16) return;
+ if (picanm[picnum]&192) picnum += animateoffs(picnum,(short)0xc000);
+ if ((tilesizx[picnum] <= 0) || (tilesizy[picnum] <= 0)) return;
+
+ if (((dastat&128) == 0) || (numpages < 2) || (beforedrawrooms != 0))
+ dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2);
+
+ if ((dastat&64) && (cx1 <= 0) && (cy1 <= 0) && (cx2 >= xdim-1) && (cy2 >= ydim-1) &&
+ (sx == (160<<16)) && (sy == (100<<16)) && (z == 65536L) && (a == 0) && ((dastat&1) == 0))
+ permhead = permtail = 0;
+
+ if ((dastat&128) == 0) return;
+ if (numpages >= 2)
+ {+ per = &permfifo[permhead];
+ per->sx = sx; per->sy = sy; per->z = z; per->a = a;
+ per->picnum = picnum;
+ per->dashade = dashade; per->dapalnum = dapalnum;
+ per->dastat = dastat;
+ per->pagesleft = numpages+((beforedrawrooms&1)<<7);
+ per->cx1 = cx1; per->cy1 = cy1; per->cx2 = cx2; per->cy2 = cy2;
+
+ /* Would be better to optimize out true bounding boxes */
+ if (dastat&64) /* If non-masking write, checking for overlapping cases */
+ {+ for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
+ {+ per2 = &permfifo[i];
+ if ((per2->pagesleft&127) == 0) continue;
+ if (per2->sx != per->sx) continue;
+ if (per2->sy != per->sy) continue;
+ if (per2->z != per->z) continue;
+ if (per2->a != per->a) continue;
+ if (tilesizx[per2->picnum] > tilesizx[per->picnum]) continue;
+ if (tilesizy[per2->picnum] > tilesizy[per->picnum]) continue;
+ if (per2->cx1 < per->cx1) continue;
+ if (per2->cy1 < per->cy1) continue;
+ if (per2->cx2 > per->cx2) continue;
+ if (per2->cy2 > per->cy2) continue;
+ per2->pagesleft = 0;
+ }
+ if ((per->z == 65536) && (per->a == 0))
+ for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1)))
+ {+ per2 = &permfifo[i];
+ if ((per2->pagesleft&127) == 0) continue;
+ if (per2->z != 65536) continue;
+ if (per2->a != 0) continue;
+ if (per2->cx1 < per->cx1) continue;
+ if (per2->cy1 < per->cy1) continue;
+ if (per2->cx2 > per->cx2) continue;
+ if (per2->cy2 > per->cy2) continue;
+ if ((per2->sx>>16) < (per->sx>>16)) continue;
+ if ((per2->sy>>16) < (per->sy>>16)) continue;
+ if ((per2->sx>>16)+tilesizx[per2->picnum] > (per->sx>>16)+tilesizx[per->picnum]) continue;
+ if ((per2->sy>>16)+tilesizy[per2->picnum] > (per->sy>>16)+tilesizy[per->picnum]) continue;
+ per2->pagesleft = 0;
+ }
+ }
+
+ permhead = ((permhead+1)&(MAXPERMS-1));
+ }
+ }
+
+
+ static int getclosestcol(int32_t r, int32_t g, int32_t b)
+ {+ int32_t i, j, k, dist, mindist, retcol;
+ uint8_t *pal1;
+
+ j = (r>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ+(g>>3)*FASTPALGRIDSIZ+(b>>3)+FASTPALGRIDSIZ*FASTPALGRIDSIZ+FASTPALGRIDSIZ+1;
+ mindist = min(rdist[coldist[r&7]+64+8],gdist[coldist[g&7]+64+8]);
+ mindist = min(mindist,bdist[coldist[b&7]+64+8]);
+ mindist++;
+
+ r = 64-r; g = 64-g; b = 64-b;
+
+ retcol = -1;
+ for(k=26;k>=0;k--)
+ {+ i = colscan[k]+j; if ((colhere[i>>3]&pow2char[i&7]) == 0) continue;
+ i = colhead[i];
+ do
+ {+ pal1 = (uint8_t *)&palette[i*3];
+ dist = gdist[pal1[1]+g];
+ if (dist < mindist)
+ {+ dist += rdist[pal1[0]+r];
+ if (dist < mindist)
+ {+ dist += bdist[pal1[2]+b];
+ if (dist < mindist) { mindist = dist; retcol = i; }+ }
+ }
+ i = colnext[i];
+ } while (i >= 0);
+ }
+ if (retcol >= 0) return(retcol);
+
+ mindist = 0x7fffffff;
+ pal1 = (uint8_t *)&palette[768-3];
+ for(i=255;i>=0;i--,pal1-=3)
+ {+ dist = gdist[pal1[1]+g]; if (dist >= mindist) continue;
+ dist += rdist[pal1[0]+r]; if (dist >= mindist) continue;
+ dist += bdist[pal1[2]+b]; if (dist >= mindist) continue;
+ mindist = dist; retcol = i;
+ }
+ return(retcol);
+ }
+
+
+ void makepalookup(int32_t palnum, uint8_t *remapbuf, int8_t r,
+ int8_t g, int8_t b, uint8_t dastat)
+ {+ int32_t i, j, dist, palscale;
+ uint8_t *ptr, *ptr2;
+
+ if (paletteloaded == 0) return;
+
+ if (palookup[palnum] == NULL)
+ {+ /* Allocate palookup buffer */
+ if ((palookup[palnum] = (uint8_t *)kkmalloc(numpalookups<<8)) == NULL)
+ allocache((int32_t *)&palookup[palnum],numpalookups<<8,&permanentlock);
+ }
+
+ if (dastat == 0) return;
+ if ((r|g|b|63) != 63) return;
+
+ if ((r|g|b) == 0)
+ {+ for(i=0;i<256;i++)
+ {+ ptr = (uint8_t *)(FP_OFF(palookup[0])+remapbuf[i]);
+ ptr2 = (uint8_t *)(FP_OFF(palookup[palnum])+i);
+ for(j=0;j<numpalookups;j++)
+ { *ptr2 = *ptr; ptr += 256; ptr2 += 256; }+ }
+ }
+ else
+ {+ ptr2 = (uint8_t *)FP_OFF(palookup[palnum]);
+ for(i=0;i<numpalookups;i++)
+ {+ palscale = divscale16(i,numpalookups);
+ for(j=0;j<256;j++)
+ {+ ptr = (uint8_t *)&palette[remapbuf[j]*3];
+ *ptr2++ = getclosestcol((long)ptr[0]+mulscale16(r-ptr[0],palscale),
+ (long)ptr[1]+mulscale16(g-ptr[1],palscale),
+ (long)ptr[2]+mulscale16(b-ptr[2],palscale));
+ }
+ }
+ }
+
+ if ((vidoption == 6) && (qsetmode == 200))
+ {+ for(i=0;i<256;i++)
+ {+ dist = palette[i*3]*3+palette[i*3+1]*5+palette[i*3+2]*2;
+ ptr = (uint8_t *)(FP_OFF(palookup[palnum])+i);
+ for(j=0;j<32;j++)
+ ptr[j<<8] = (uint8_t )min(max(mulscale10(dist,32-j),0),15);
+ }
+ }
+ }
+
+
+ void setbrightness(uint8_t dabrightness, uint8_t *dapal)
+ {+ int32_t i, j, k;
+
+ curbrightness = min(max((long)dabrightness,0),15);
+
+ k = 0;
+ if (vidoption == 6)
+ {+ for(j=0;j<16;j++)
+ for(i=0;i<16;i++)
+ {+ tempbuf[k++] = britable[curbrightness][j<<2];
+ tempbuf[k++] = 0;
+ tempbuf[k++] = britable[curbrightness][i<<2];
+ tempbuf[k++] = 0;
+ }
+ }
+ else
+ {+ for(i=0;i<256;i++)
+ {+ tempbuf[k++] = britable[curbrightness][dapal[i*3+2]];
+ tempbuf[k++] = britable[curbrightness][dapal[i*3+1]];
+ tempbuf[k++] = britable[curbrightness][dapal[i*3+0]];
+ tempbuf[k++] = 0;
+ }
+ }
+
+ VBE_setPalette(0, 256, (uint8_t *) tempbuf);
+ }
+
+ //This is only used by drawmapview.
+ static void fillpolygon(int32_t npoints)
+ {+ int32_t z, zz, x1, y1, x2, y2, miny, maxy, y, xinc, cnt;
+ int32_t ox, oy, bx, by, p, day1, day2;
+ short *ptr, *ptr2;
+
+ miny = 0x7fffffff; maxy = 0x80000000;
+ for(z=npoints-1;z>=0;z--)
+ { y = ry1[z]; miny = min(miny,y); maxy = max(maxy,y); }+ miny = (miny>>12); maxy = (maxy>>12);
+ if (miny < 0) miny = 0;
+ if (maxy >= ydim) maxy = ydim-1;
+ ptr = smost; /* They're pointers! - watch how you optimize this thing */
+ for(y=miny;y<=maxy;y++)
+ {+ dotp1[y] = ptr; dotp2[y] = ptr+(MAXNODESPERLINE>>1);
+ ptr += MAXNODESPERLINE;
+ }
+
+ for(z=npoints-1;z>=0;z--)
+ {+ zz = xb1[z];
+ y1 = ry1[z]; day1 = (y1>>12);
+ y2 = ry1[zz]; day2 = (y2>>12);
+ if (day1 != day2)
+ {+ x1 = rx1[z]; x2 = rx1[zz];
+ xinc = divscale12(x2-x1,y2-y1);
+ if (day2 > day1)
+ {+ x1 += mulscale12((day1<<12)+4095-y1,xinc);
+ for(y=day1;y<day2;y++) { *dotp2[y]++ = (x1>>12); x1 += xinc; }+ }
+ else
+ {+ x2 += mulscale12((day2<<12)+4095-y2,xinc);
+ for(y=day2;y<day1;y++) { *dotp1[y]++ = (x2>>12); x2 += xinc; }+ }
+ }
+ }
+
+ globalx1 = mulscale16(globalx1,xyaspect);
+ globaly2 = mulscale16(globaly2,xyaspect);
+
+ oy = miny+1-(ydim>>1);
+ globalposx += oy*globalx1;
+ globalposy += oy*globaly2;
+
+ setuphlineasm4(asm1,asm2);
+
+ ptr = smost;
+ for(y=miny;y<=maxy;y++)
+ {+ cnt = dotp1[y]-ptr; ptr2 = ptr+(MAXNODESPERLINE>>1);
+ for(z=cnt-1;z>=0;z--)
+ {+ day1 = 0; day2 = 0;
+ for(zz=z;zz>0;zz--)
+ {+ if (ptr[zz] < ptr[day1]) day1 = zz;
+ if (ptr2[zz] < ptr2[day2]) day2 = zz;
+ }
+ x1 = ptr[day1]; ptr[day1] = ptr[z];
+ x2 = ptr2[day2]-1; ptr2[day2] = ptr2[z];
+ if (x1 > x2) continue;
+
+ if (globalpolytype < 1)
+ {/* maphline */
- ox = x2+1-(xdim>>1);
- bx = ox*asm1 + globalposx;
- by = ox*asm2 - globalposy;
-
- p = ylookup[y]+x2+frameplace;
- hlineasm4(x2-x1,-1L,globalshade<<8,by,bx,p);
- }
- else
- {+ ox = x2+1-(xdim>>1);
+ bx = ox*asm1 + globalposx;
+ by = ox*asm2 - globalposy;
+
+ p = ylookup[y]+x2+frameplace;
+ hlineasm4(x2-x1,-1L,globalshade<<8,by,bx,p);
+ }
+ else
+ {/* maphline */
- ox = x1+1-(xdim>>1);
- bx = ox*asm1 + globalposx;
- by = ox*asm2 - globalposy;
-
- p = ylookup[y]+x1+frameplace;
- if (globalpolytype == 1)
- mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,p);
- else
- {- thline(globalbufplc,bx,(x2-x1)<<16,0L,by,p);
- transarea += (x2-x1);
- }
- }
- }
- globalposx += globalx1;
- globalposy += globaly2;
- ptr += MAXNODESPERLINE;
- }
- faketimerhandler();
-}
-
-
-static int clippoly (int32_t npoints, int32_t clipstat)
-{- int32_t z, zz, s1, s2, t, npoints2, start2, z1, z2, z3, z4, splitcnt;
- int32_t cx1, cy1, cx2, cy2;
-
- cx1 = windowx1;
- cy1 = windowy1;
- cx2 = windowx2+1;
- cy2 = windowy2+1;
- cx1 <<= 12; cy1 <<= 12; cx2 <<= 12; cy2 <<= 12;
-
- if (clipstat&0xa) /* Need to clip top or left */
- {- npoints2 = 0; start2 = 0; z = 0; splitcnt = 0;
- do
- {- s2 = cx1-rx1[z];
- do
- {- zz = xb1[z]; xb1[z] = -1;
- s1 = s2; s2 = cx1-rx1[zz];
- if (s1 < 0)
- {- rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z];
- xb2[npoints2] = npoints2+1; npoints2++;
- }
- if ((s1^s2) < 0)
- {- rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2);
- ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2);
- if (s1 < 0) p2[splitcnt++] = npoints2;
- xb2[npoints2] = npoints2+1;
- npoints2++;
- }
- z = zz;
- } while (xb1[z] >= 0);
-
- if (npoints2 >= start2+3)
- xb2[npoints2-1] = start2, start2 = npoints2;
- else
- npoints2 = start2;
-
- z = 1;
- while ((z < npoints) && (xb1[z] < 0)) z++;
- } while (z < npoints);
- if (npoints2 <= 2) return(0);
-
- for(z=1;z<splitcnt;z++)
- for(zz=0;zz<z;zz++)
- {- z1 = p2[z]; z2 = xb2[z1]; z3 = p2[zz]; z4 = xb2[z3];
- s1 = klabs(rx2[z1]-rx2[z2])+klabs(ry2[z1]-ry2[z2]);
- s1 += klabs(rx2[z3]-rx2[z4])+klabs(ry2[z3]-ry2[z4]);
- s2 = klabs(rx2[z1]-rx2[z4])+klabs(ry2[z1]-ry2[z4]);
- s2 += klabs(rx2[z3]-rx2[z2])+klabs(ry2[z3]-ry2[z2]);
- if (s2 < s1)
+ ox = x1+1-(xdim>>1);
+ bx = ox*asm1 + globalposx;
+ by = ox*asm2 - globalposy;
+
+ p = ylookup[y]+x1+frameplace;
+ if (globalpolytype == 1)
+ mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,p);
+ else
+ {+ thline(globalbufplc,bx,(x2-x1)<<16,0L,by,p);
+ transarea += (x2-x1);
+ }
+ }
+ }
+ globalposx += globalx1;
+ globalposy += globaly2;
+ ptr += MAXNODESPERLINE;
+ }
+ faketimerhandler();
+ }
+
+
+ static int clippoly (int32_t npoints, int32_t clipstat)
+ {+ int32_t z, zz, s1, s2, t, npoints2, start2, z1, z2, z3, z4, splitcnt;
+ int32_t cx1, cy1, cx2, cy2;
+
+ cx1 = windowx1;
+ cy1 = windowy1;
+ cx2 = windowx2+1;
+ cy2 = windowy2+1;
+ cx1 <<= 12; cy1 <<= 12; cx2 <<= 12; cy2 <<= 12;
+
+ if (clipstat&0xa) /* Need to clip top or left */
+ {+ npoints2 = 0; start2 = 0; z = 0; splitcnt = 0;
+ do
+ {+ s2 = cx1-rx1[z];
+ do
+ {+ zz = xb1[z]; xb1[z] = -1;
+ s1 = s2; s2 = cx1-rx1[zz];
+ if (s1 < 0)
+ {+ rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z];
+ xb2[npoints2] = npoints2+1; npoints2++;
+ }
+ if ((s1^s2) < 0)
+ {+ rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2);
+ ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2);
+ if (s1 < 0) p2[splitcnt++] = npoints2;
+ xb2[npoints2] = npoints2+1;
+ npoints2++;
+ }
+ z = zz;
+ } while (xb1[z] >= 0);
+
+ if (npoints2 >= start2+3)
+ xb2[npoints2-1] = start2, start2 = npoints2;
+ else
+ npoints2 = start2;
+
+ z = 1;
+ while ((z < npoints) && (xb1[z] < 0)) z++;
+ } while (z < npoints);
+ if (npoints2 <= 2) return(0);
+
+ for(z=1;z<splitcnt;z++)
+ for(zz=0;zz<z;zz++)
+ {+ z1 = p2[z]; z2 = xb2[z1]; z3 = p2[zz]; z4 = xb2[z3];
+ s1 = klabs(rx2[z1]-rx2[z2])+klabs(ry2[z1]-ry2[z2]);
+ s1 += klabs(rx2[z3]-rx2[z4])+klabs(ry2[z3]-ry2[z4]);
+ s2 = klabs(rx2[z1]-rx2[z4])+klabs(ry2[z1]-ry2[z4]);
+ s2 += klabs(rx2[z3]-rx2[z2])+klabs(ry2[z3]-ry2[z2]);
+ if (s2 < s1)
{ t = xb2[p2[z]]; xb2[p2[z]] = xb2[p2[zz]]; xb2[p2[zz]] = t; }- }
-
-
- npoints = 0; start2 = 0; z = 0; splitcnt = 0;
- do
- {- s2 = cy1-ry2[z];
- do
- {- zz = xb2[z]; xb2[z] = -1;
- s1 = s2; s2 = cy1-ry2[zz];
- if (s1 < 0)
- {- rx1[npoints] = rx2[z]; ry1[npoints] = ry2[z];
- xb1[npoints] = npoints+1; npoints++;
- }
- if ((s1^s2) < 0)
- {- rx1[npoints] = rx2[z]+scale(rx2[zz]-rx2[z],s1,s1-s2);
- ry1[npoints] = ry2[z]+scale(ry2[zz]-ry2[z],s1,s1-s2);
- if (s1 < 0) p2[splitcnt++] = npoints;
- xb1[npoints] = npoints+1;
- npoints++;
- }
- z = zz;
- } while (xb2[z] >= 0);
-
- if (npoints >= start2+3)
- xb1[npoints-1] = start2, start2 = npoints;
- else
- npoints = start2;
-
- z = 1;
- while ((z < npoints2) && (xb2[z] < 0)) z++;
- } while (z < npoints2);
- if (npoints <= 2) return(0);
-
- for(z=1;z<splitcnt;z++)
- for(zz=0;zz<z;zz++)
- {- z1 = p2[z]; z2 = xb1[z1]; z3 = p2[zz]; z4 = xb1[z3];
- s1 = klabs(rx1[z1]-rx1[z2])+klabs(ry1[z1]-ry1[z2]);
- s1 += klabs(rx1[z3]-rx1[z4])+klabs(ry1[z3]-ry1[z4]);
- s2 = klabs(rx1[z1]-rx1[z4])+klabs(ry1[z1]-ry1[z4]);
- s2 += klabs(rx1[z3]-rx1[z2])+klabs(ry1[z3]-ry1[z2]);
- if (s2 < s1)
- { t = xb1[p2[z]]; xb1[p2[z]] = xb1[p2[zz]]; xb1[p2[zz]] = t; }- }
- }
- if (clipstat&0x5) /* Need to clip bottom or right */
- {- npoints2 = 0; start2 = 0; z = 0; splitcnt = 0;
- do
- {- s2 = rx1[z]-cx2;
- do
- {- zz = xb1[z]; xb1[z] = -1;
- s1 = s2; s2 = rx1[zz]-cx2;
- if (s1 < 0)
- {- rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z];
- xb2[npoints2] = npoints2+1; npoints2++;
- }
- if ((s1^s2) < 0)
- {- rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2);
- ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2);
- if (s1 < 0) p2[splitcnt++] = npoints2;
- xb2[npoints2] = npoints2+1;
- npoints2++;
- }
- z = zz;
- } while (xb1[z] >= 0);
-
- if (npoints2 >= start2+3)
- xb2[npoints2-1] = start2, start2 = npoints2;
- else
- npoints2 = start2;
-
- z = 1;
- while ((z < npoints) && (xb1[z] < 0)) z++;
- } while (z < npoints);
- if (npoints2 <= 2) return(0);
-
- for(z=1;z<splitcnt;z++)
- for(zz=0;zz<z;zz++)
- {- z1 = p2[z]; z2 = xb2[z1]; z3 = p2[zz]; z4 = xb2[z3];
- s1 = klabs(rx2[z1]-rx2[z2])+klabs(ry2[z1]-ry2[z2]);
- s1 += klabs(rx2[z3]-rx2[z4])+klabs(ry2[z3]-ry2[z4]);
- s2 = klabs(rx2[z1]-rx2[z4])+klabs(ry2[z1]-ry2[z4]);
- s2 += klabs(rx2[z3]-rx2[z2])+klabs(ry2[z3]-ry2[z2]);
- if (s2 < s1)
- { t = xb2[p2[z]]; xb2[p2[z]] = xb2[p2[zz]]; xb2[p2[zz]] = t; }- }
-
-
- npoints = 0; start2 = 0; z = 0; splitcnt = 0;
- do
- {- s2 = ry2[z]-cy2;
- do
- {- zz = xb2[z]; xb2[z] = -1;
- s1 = s2; s2 = ry2[zz]-cy2;
- if (s1 < 0)
- {- rx1[npoints] = rx2[z]; ry1[npoints] = ry2[z];
- xb1[npoints] = npoints+1; npoints++;
- }
- if ((s1^s2) < 0)
- {- rx1[npoints] = rx2[z]+scale(rx2[zz]-rx2[z],s1,s1-s2);
- ry1[npoints] = ry2[z]+scale(ry2[zz]-ry2[z],s1,s1-s2);
- if (s1 < 0) p2[splitcnt++] = npoints;
- xb1[npoints] = npoints+1;
- npoints++;
- }
- z = zz;
- } while (xb2[z] >= 0);
-
- if (npoints >= start2+3)
- xb1[npoints-1] = start2, start2 = npoints;
- else
- npoints = start2;
-
- z = 1;
- while ((z < npoints2) && (xb2[z] < 0)) z++;
- } while (z < npoints2);
- if (npoints <= 2) return(0);
-
- for(z=1;z<splitcnt;z++)
- for(zz=0;zz<z;zz++)
- {- z1 = p2[z]; z2 = xb1[z1]; z3 = p2[zz]; z4 = xb1[z3];
- s1 = klabs(rx1[z1]-rx1[z2])+klabs(ry1[z1]-ry1[z2]);
- s1 += klabs(rx1[z3]-rx1[z4])+klabs(ry1[z3]-ry1[z4]);
- s2 = klabs(rx1[z1]-rx1[z4])+klabs(ry1[z1]-ry1[z4]);
- s2 += klabs(rx1[z3]-rx1[z2])+klabs(ry1[z3]-ry1[z2]);
- if (s2 < s1)
- { t = xb1[p2[z]]; xb1[p2[z]] = xb1[p2[zz]]; xb1[p2[zz]] = t; }- }
- }
- return(npoints);
-}
-
-
-void drawmapview(int32_t dax, int32_t day, int32_t zoome, short ang)
-{- walltype *wal;
- sectortype *sec;
- spritetype *spr;
- int32_t tilenum, xoff, yoff, i, j, k, l, cosang, sinang, xspan, yspan;
- int32_t xrepeat, yrepeat, x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1;
- int32_t s, w, ox, oy, startwall, cx1, cy1, cx2, cy2;
- int32_t bakgxvect, bakgyvect, sortnum, gap, npoints;
- int32_t xvect, yvect, xvect2, yvect2, daslope;
-
- beforedrawrooms = 0;
- totalarea += (windowx2+1-windowx1)*(windowy2+1-windowy1);
-
- clearbuf(&gotsector[0],(long)((numsectors+31)>>5),0L);
-
- cx1 = (windowx1<<12); cy1 = (windowy1<<12);
- cx2 = ((windowx2+1)<<12)-1; cy2 = ((windowy2+1)<<12)-1;
- zoome <<= 8;
- bakgxvect = divscale28(sintable[(1536-ang)&2047],zoome);
- bakgyvect = divscale28(sintable[(2048-ang)&2047],zoome);
- xvect = mulscale8(sintable[(2048-ang)&2047],zoome);
- yvect = mulscale8(sintable[(1536-ang)&2047],zoome);
- xvect2 = mulscale16(xvect,yxaspect);
- yvect2 = mulscale16(yvect,yxaspect);
-
- sortnum = 0;
- for(s=0,sec=§or[s];s<numsectors;s++,sec++)
- if (show2dsector[s>>3]&pow2char[s&7])
- {- npoints = 0; i = 0;
- startwall = sec->wallptr;
- for(w=sec->wallnum,wal=&wall[startwall];w>0;w--,wal++)
- {- ox = wal->x - dax; oy = wal->y - day;
- x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
- y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
- i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
- rx1[npoints] = x;
- ry1[npoints] = y;
- xb1[npoints] = wal->point2 - startwall;
- npoints++;
- }
- if ((i&0xf0) != 0xf0) continue;
- bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11);
- if (i&0x0f)
- {- npoints = clippoly(npoints,i);
- if (npoints < 3) continue;
- }
-
- /* Collect floor sprites to draw */
- for(i=headspritesect[s];i>=0;i=nextspritesect[i])
- if ((sprite[i].cstat&48) == 32)
- {- if ((sprite[i].cstat&(64+8)) == (64+8)) continue;
- tsprite[sortnum++].owner = i;
- }
-
- gotsector[s>>3] |= pow2char[s&7];
-
- globalorientation = (long)sec->floorstat;
- if ((globalorientation&1) != 0) continue;
-
- if (palookup[sec->floorpal] != globalpalwritten)
- {- globalpalwritten = palookup[sec->floorpal];
- setpalookupaddress(globalpalwritten);
- }
- globalpicnum = sec->floorpicnum;
- if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
- setgotpic(globalpicnum);
- if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue;
- if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s);
- if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
- globalbufplc = waloff[globalpicnum];
- globalshade = max(min(sec->floorshade,numpalookups-1),0);
- globvis = globalhisibility;
- if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
- globalpolytype = 0;
- if ((globalorientation&64) == 0)
- {- globalposx = dax; globalx1 = bakgxvect; globaly1 = bakgyvect;
- globalposy = day; globalx2 = bakgxvect; globaly2 = bakgyvect;
- }
- else
- {- ox = wall[wall[startwall].point2].x - wall[startwall].x;
- oy = wall[wall[startwall].point2].y - wall[startwall].y;
- i = nsqrtasm(ox*ox+oy*oy); if (i == 0) continue;
- i = 1048576/i;
- globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
- globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
- ox = (bakx1>>4)-(xdim<<7); oy = (baky1>>4)-(ydim<<7);
- globalposx = dmulscale28(-oy,globalx1,-ox,globaly1);
- globalposy = dmulscale28(-ox,globalx1,oy,globaly1);
- globalx2 = -globalx1;
- globaly2 = -globaly1;
-
- daslope = sector[s].floorheinum;
- i = nsqrtasm(daslope*daslope+16777216);
- globalposy = mulscale12(globalposy,i);
- globalx2 = mulscale12(globalx2,i);
- globaly2 = mulscale12(globaly2,i);
- }
- globalxshift = (8-(picsiz[globalpicnum]&15));
- globalyshift = (8-(picsiz[globalpicnum]>>4));
- if (globalorientation&8) {globalxshift++; globalyshift++; }-
- sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc);
-
- if ((globalorientation&0x4) > 0)
- {- i = globalposx; globalposx = -globalposy; globalposy = -i;
- i = globalx2; globalx2 = globaly1; globaly1 = i;
- i = globalx1; globalx1 = -globaly2; globaly2 = -i;
- }
- if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx;
- if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalposy = -globalposy;
- asm1 = (globaly1<<globalxshift);
- asm2 = (globalx2<<globalyshift);
- globalx1 <<= globalxshift;
- globaly2 <<= globalyshift;
- globalposx = (globalposx<<(20+globalxshift))+(((long)sec->floorxpanning)<<24);
- globalposy = (globalposy<<(20+globalyshift))-(((long)sec->floorypanning)<<24);
-
- fillpolygon(npoints);
- }
-
- /* Sort sprite list */
- gap = 1; while (gap < sortnum) gap = (gap<<1)+1;
- for(gap>>=1;gap>0;gap>>=1)
- for(i=0;i<sortnum-gap;i++)
- for(j=i;j>=0;j-=gap)
- {- if (sprite[tsprite[j].owner].z <= sprite[tsprite[j+gap].owner].z) break;
- swapshort(&tsprite[j].owner,&tsprite[j+gap].owner);
- }
-
- for(s=sortnum-1;s>=0;s--)
- {- spr = &sprite[tsprite[s].owner];
- if ((spr->cstat&48) == 32)
- {- npoints = 0;
-
- tilenum = spr->picnum;
- xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
- yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
- if ((spr->cstat&4) > 0) xoff = -xoff;
- if ((spr->cstat&8) > 0) yoff = -yoff;
-
- k = spr->ang;
- cosang = sintable[(k+512)&2047]; sinang = sintable[k];
- xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
- yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
-
- ox = ((xspan>>1)+xoff)*xrepeat; oy = ((yspan>>1)+yoff)*yrepeat;
- x1 = spr->x + mulscale(sinang,ox,16) + mulscale(cosang,oy,16);
- y1 = spr->y + mulscale(sinang,oy,16) - mulscale(cosang,ox,16);
- l = xspan*xrepeat;
- x2 = x1 - mulscale(sinang,l,16);
- y2 = y1 + mulscale(cosang,l,16);
- l = yspan*yrepeat;
- k = -mulscale(cosang,l,16); x3 = x2+k; x4 = x1+k;
- k = -mulscale(sinang,l,16); y3 = y2+k; y4 = y1+k;
-
- xb1[0] = 1; xb1[1] = 2; xb1[2] = 3; xb1[3] = 0;
- npoints = 4;
-
- i = 0;
-
- ox = x1 - dax; oy = y1 - day;
- x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
- y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
- i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
- rx1[0] = x; ry1[0] = y;
-
- ox = x2 - dax; oy = y2 - day;
- x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
- y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
- i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
- rx1[1] = x; ry1[1] = y;
-
- ox = x3 - dax; oy = y3 - day;
- x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
- y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
- i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
- rx1[2] = x; ry1[2] = y;
-
- x = rx1[0]+rx1[2]-rx1[1];
- y = ry1[0]+ry1[2]-ry1[1];
- i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
- rx1[3] = x; ry1[3] = y;
-
- if ((i&0xf0) != 0xf0) continue;
- bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11);
- if (i&0x0f)
- {- npoints = clippoly(npoints,i);
- if (npoints < 3) continue;
- }
-
- globalpicnum = spr->picnum;
- if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
- setgotpic(globalpicnum);
- if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue;
- if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s);
- if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
- globalbufplc = waloff[globalpicnum];
- if ((sector[spr->sectnum].ceilingstat&1) > 0)
- globalshade = ((long)sector[spr->sectnum].ceilingshade);
- else
- globalshade = ((long)sector[spr->sectnum].floorshade);
- globalshade = max(min(globalshade+spr->shade+6,numpalookups-1),0);
- asm3 = (long) FP_OFF(palookup[spr->pal]+(globalshade<<8));
- globvis = globalhisibility;
- if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
- globalpolytype = ((spr->cstat&2)>>1)+1;
-
- /* relative alignment stuff */
- ox = x2-x1; oy = y2-y1;
- i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i;
- globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
- globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
- ox = y1-y4; oy = x4-x1;
- i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i;
- globalx2 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
- globaly2 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
-
- ox = picsiz[globalpicnum]; oy = ((ox>>4)&15); ox &= 15;
- if (pow2long[ox] != xspan)
- {- ox++;
- globalx1 = mulscale(globalx1,xspan,ox);
- globaly1 = mulscale(globaly1,xspan,ox);
- }
-
- bakx1 = (bakx1>>4)-(xdim<<7); baky1 = (baky1>>4)-(ydim<<7);
- globalposx = dmulscale28(-baky1,globalx1,-bakx1,globaly1);
- globalposy = dmulscale28(bakx1,globalx2,-baky1,globaly2);
-
- if ((spr->cstat&2) == 0)
- msethlineshift(ox,oy);
- else
- tsethlineshift(ox,oy);
-
- if ((spr->cstat&0x4) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx;
- asm1 = (globaly1<<2); globalx1 <<= 2; globalposx <<= (20+2);
- asm2 = (globalx2<<2); globaly2 <<= 2; globalposy <<= (20+2);
-
- fillpolygon(npoints);
- }
- }
-}
-
-
-void clearview(int32_t dacol)
-{- int32_t p, y, dx;
-
- if (qsetmode != 200) return;
-
- dx = windowx2-windowx1+1;
- dacol += (dacol<<8); dacol += (dacol<<16);
- if (vidoption == 6)
- {- p = (long) FP_OFF(screen)+ylookup[windowy1]+windowx1;
- for(y=windowy1;y<=windowy2;y++)
- {- clearbufbyte((void *)p,dx,dacol);
- clearbufbyte((void *)(p+65536),dx,dacol);
- p += ylookup[1];
- }
- faketimerhandler();
- return;
- }
- p = frameplace+ylookup[windowy1]+windowx1;
- for(y=windowy1;y<=windowy2;y++)
- { clearbufbyte((void *)p,dx,dacol); p += ylookup[1]; }- faketimerhandler();
-}
-
-
-void clearallviews(int32_t dacol)
-{- int32_t i;
-
- if (qsetmode != 200) return;
- dacol += (dacol<<8); dacol += (dacol<<16);
-
- switch(vidoption)
- {- case 1:
- for(i=0;i<numpages;i++)
- {- setactivepage(i);
- clearbufbyte((void *)frameplace,imageSize,0L);
- }
- setactivepage(activepage);
- case 2:
- clearbuf((void *)frameplace,(xdim*ydim)>>2,0L);
- break;
- case 6:
- clearbuf(screen,128000L>>2,dacol);
- break;
- }
- faketimerhandler();
-}
-
-
-void plotpixel(int32_t x, int32_t y, uint8_t col)
-{- drawpixel(ylookup[y]+x+frameplace,(long)col);
-}
-
-
-uint8_t getpixel(int32_t x, int32_t y)
-{- return(readpixel(ylookup[y]+x+frameplace));
-}
-
- /* MUST USE RESTOREFORDRAWROOMS AFTER DRAWING */
-static int32_t setviewcnt = 0;
-static int32_t bakvidoption[4];
-static int32_t bakframeplace[4], bakxsiz[4], bakysiz[4];
-static int32_t bakwindowx1[4], bakwindowy1[4];
-static int32_t bakwindowx2[4], bakwindowy2[4];
-
-
-void setviewtotile(short tilenume, int32_t xsiz, int32_t ysiz)
-{- int32_t i, j;
-
- /* DRAWROOMS TO TILE BACKUP&SET CODE */
- tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz;
- bakxsiz[setviewcnt] = xsiz; bakysiz[setviewcnt] = ysiz;
- bakvidoption[setviewcnt] = vidoption;
- vidoption = 2;
- bakframeplace[setviewcnt] = frameplace; frameplace = waloff[tilenume];
- bakwindowx1[setviewcnt] = windowx1; bakwindowy1[setviewcnt] = windowy1;
- bakwindowx2[setviewcnt] = windowx2; bakwindowy2[setviewcnt] = windowy2;
- copybufbyte(&startumost[windowx1],&bakumost[windowx1],(windowx2-windowx1+1)*sizeof(bakumost[0]));
- copybufbyte(&startdmost[windowx1],&bakdmost[windowx1],(windowx2-windowx1+1)*sizeof(bakdmost[0]));
- setview(0,0,ysiz-1,xsiz-1);
- setaspect(65536,65536);
- j = 0; for(i=0;i<=xsiz;i++) { ylookup[i] = j, j += ysiz; }- setvlinebpl(ysiz);
- setviewcnt++;
-}
-
-
-void setviewback(void)
-{- int32_t i, j, k;
-
- if (setviewcnt <= 0) return;
- setviewcnt--;
-
- setview(bakwindowx1[setviewcnt],bakwindowy1[setviewcnt],
- bakwindowx2[setviewcnt],bakwindowy2[setviewcnt]);
- copybufbyte(&bakumost[windowx1],&startumost[windowx1],(windowx2-windowx1+1)*sizeof(startumost[0]));
- copybufbyte(&bakdmost[windowx1],&startdmost[windowx1],(windowx2-windowx1+1)*sizeof(startdmost[0]));
- vidoption = bakvidoption[setviewcnt];
- frameplace = bakframeplace[setviewcnt];
- if (setviewcnt == 0)
- k = bakxsiz[0];
- else
- k = max(bakxsiz[setviewcnt-1],bakxsiz[setviewcnt]);
- j = 0; for(i=0;i<=k;i++) ylookup[i] = j, j += bytesperline;
- setvlinebpl(bytesperline);
-}
-
-
-void squarerotatetile(short tilenume)
-{- int32_t i, j, k, xsiz, ysiz;
- uint8_t *ptr1, *ptr2;
-
- xsiz = tilesizx[tilenume]; ysiz = tilesizy[tilenume];
-
- /* supports square tiles only for rotation part */
- if (xsiz == ysiz)
- {- k = (xsiz<<1);
- for(i=xsiz-1;i>=0;i--)
- {- ptr1 = (uint8_t *) (waloff[tilenume]+i*(xsiz+1));
- ptr2 = ptr1;
- if ((i&1) != 0) { ptr1--; ptr2 -= xsiz; swapchar(ptr1,ptr2); }- for(j=(i>>1)-1;j>=0;j--)
- { ptr1 -= 2; ptr2 -= k; swapchar2(ptr1,ptr2,xsiz); }- }
- }
-}
-
-
-void preparemirror(int32_t dax, int32_t day, int32_t daz,
- short daang, int32_t dahoriz, short dawall,
- short dasector, int32_t *tposx, int32_t *tposy,
- short *tang)
-{- int32_t i, j, x, y, dx, dy;
-
- x = wall[dawall].x; dx = wall[wall[dawall].point2].x-x;
- y = wall[dawall].y; dy = wall[wall[dawall].point2].y-y;
- j = dx*dx + dy*dy; if (j == 0) return;
- i = (((dax-x)*dx + (day-y)*dy)<<1);
- *tposx = (x<<1) + scale(dx,i,j) - dax;
- *tposy = (y<<1) + scale(dy,i,j) - day;
- *tang = (((getangle(dx,dy)<<1)-daang)&2047);
-
- inpreparemirror = 1;
-}
-
-
-void completemirror(void)
-{- int32_t i, dy, p;
-
- /* Can't reverse with uninitialized data */
- if (inpreparemirror) { inpreparemirror = 0; return; }- if (mirrorsx1 > 0) mirrorsx1--;
- if (mirrorsx2 < windowx2-windowx1-1) mirrorsx2++;
- if (mirrorsx2 < mirrorsx1) return;
-
- transarea += (mirrorsx2-mirrorsx1)*(windowy2-windowy1);
-
- p = frameplace+ylookup[windowy1+mirrorsy1]+windowx1+mirrorsx1;
- i = windowx2-windowx1-mirrorsx2-mirrorsx1; mirrorsx2 -= mirrorsx1;
- // FIX_00085: Optimized Video driver. FPS increases by +20%.
- for(dy=mirrorsy2-mirrorsy1-1;dy>=0;dy--)
- {- copybufbyte((void *)(p),tempbuf,mirrorsx2+1);
- tempbuf[mirrorsx2] = tempbuf[mirrorsx2-1];
- copybufreverse(&tempbuf[mirrorsx2],(void *)(p+i),mirrorsx2+1);
- p += ylookup[1];
- faketimerhandler();
- }
-}
-
-
-int sectorofwall(short theline)
-{- int32_t i, gap;
-
- if ((theline < 0) || (theline >= numwalls)) return(-1);
- i = wall[theline].nextwall; if (i >= 0) return(wall[i].nextsector);
-
- gap = (numsectors>>1); i = gap;
- while (gap > 1)
- {- gap >>= 1;
- if (sector[i].wallptr < theline) i += gap; else i -= gap;
- }
- while (sector[i].wallptr > theline) i--;
- while (sector[i].wallptr+sector[i].wallnum <= theline) i++;
- return(i);
-}
-
-
-int getceilzofslope(short sectnum, int32_t dax, int32_t day)
-{- int32_t dx, dy, i, j;
- walltype *wal;
-
- if (!(sector[sectnum].ceilingstat&2)) return(sector[sectnum].ceilingz);
- wal = &wall[sector[sectnum].wallptr];
- dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y;
- i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].ceilingz);
- j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
- return(sector[sectnum].ceilingz+scale(sector[sectnum].ceilingheinum,j,i));
-}
-
-
-int getflorzofslope(short sectnum, int32_t dax, int32_t day)
-{- int32_t dx, dy, i, j;
- walltype *wal;
-
- if (!(sector[sectnum].floorstat&2)) return(sector[sectnum].floorz);
- wal = &wall[sector[sectnum].wallptr];
- dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y;
- i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].floorz);
- j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
- return(sector[sectnum].floorz+scale(sector[sectnum].floorheinum,j,i));
-}
-
-
-void getzsofslope(short sectnum, int32_t dax, int32_t day, int32_t *ceilz, int32_t *florz)
-{- int32_t dx, dy, i, j;
- walltype *wal, *wal2;
- sectortype *sec;
-
- sec = §or[sectnum];
- *ceilz = sec->ceilingz; *florz = sec->floorz;
- if ((sec->ceilingstat|sec->floorstat)&2)
- {- wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2];
- dx = wal2->x-wal->x; dy = wal2->y-wal->y;
- i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return;
- j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
- if (sec->ceilingstat&2) *ceilz = (*ceilz)+scale(sec->ceilingheinum,j,i);
- if (sec->floorstat&2) *florz = (*florz)+scale(sec->floorheinum,j,i);
- }
-}
-
-
-void alignceilslope(short dasect, int32_t x, int32_t y, int32_t z)
-{- int32_t i, dax, day;
- walltype *wal;
-
- wal = &wall[sector[dasect].wallptr];
- dax = wall[wal->point2].x-wal->x;
- day = wall[wal->point2].y-wal->y;
-
- i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return;
- sector[dasect].ceilingheinum = scale((z-sector[dasect].ceilingz)<<8,
- nsqrtasm(dax*dax+day*day),i);
-
- if (sector[dasect].ceilingheinum == 0) sector[dasect].ceilingstat &= ~2;
- else sector[dasect].ceilingstat |= 2;
-}
-
-
-void alignflorslope(short dasect, int32_t x, int32_t y, int32_t z)
-{- int32_t i, dax, day;
- walltype *wal;
-
- wal = &wall[sector[dasect].wallptr];
- dax = wall[wal->point2].x-wal->x;
- day = wall[wal->point2].y-wal->y;
-
- i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return;
- sector[dasect].floorheinum = scale((z-sector[dasect].floorz)<<8,
- nsqrtasm(dax*dax+day*day),i);
-
- if (sector[dasect].floorheinum == 0) sector[dasect].floorstat &= ~2;
- else sector[dasect].floorstat |= 2;
-}
-
-
-int loopnumofsector(short sectnum, short wallnum)
-{- int32_t i, numloops, startwall, endwall;
-
- numloops = 0;
- startwall = sector[sectnum].wallptr;
- endwall = startwall + sector[sectnum].wallnum;
- for(i=startwall;i<endwall;i++)
- {- if (i == wallnum) return(numloops);
- if (wall[i].point2 < i) numloops++;
- }
- return(-1);
-}
-
-
-void setfirstwall(short sectnum, short newfirstwall)
-{- int32_t i, j, k, numwallsofloop;
- int32_t startwall, endwall, danumwalls, dagoalloop;
-
- startwall = sector[sectnum].wallptr;
- danumwalls = sector[sectnum].wallnum;
- endwall = startwall+danumwalls;
- if ((newfirstwall < startwall) || (newfirstwall >= startwall+danumwalls)) return;
- for(i=0;i<danumwalls;i++)
- memcpy(&wall[i+numwalls],&wall[i+startwall],sizeof(walltype));
-
- numwallsofloop = 0;
- i = newfirstwall;
- do
- {- numwallsofloop++;
- i = wall[i].point2;
- } while (i != newfirstwall);
-
+ }
+
+
+ npoints = 0; start2 = 0; z = 0; splitcnt = 0;
+ do
+ {+ s2 = cy1-ry2[z];
+ do
+ {+ zz = xb2[z]; xb2[z] = -1;
+ s1 = s2; s2 = cy1-ry2[zz];
+ if (s1 < 0)
+ {+ rx1[npoints] = rx2[z]; ry1[npoints] = ry2[z];
+ xb1[npoints] = npoints+1; npoints++;
+ }
+ if ((s1^s2) < 0)
+ {+ rx1[npoints] = rx2[z]+scale(rx2[zz]-rx2[z],s1,s1-s2);
+ ry1[npoints] = ry2[z]+scale(ry2[zz]-ry2[z],s1,s1-s2);
+ if (s1 < 0) p2[splitcnt++] = npoints;
+ xb1[npoints] = npoints+1;
+ npoints++;
+ }
+ z = zz;
+ } while (xb2[z] >= 0);
+
+ if (npoints >= start2+3)
+ xb1[npoints-1] = start2, start2 = npoints;
+ else
+ npoints = start2;
+
+ z = 1;
+ while ((z < npoints2) && (xb2[z] < 0)) z++;
+ } while (z < npoints2);
+ if (npoints <= 2) return(0);
+
+ for(z=1;z<splitcnt;z++)
+ for(zz=0;zz<z;zz++)
+ {+ z1 = p2[z]; z2 = xb1[z1]; z3 = p2[zz]; z4 = xb1[z3];
+ s1 = klabs(rx1[z1]-rx1[z2])+klabs(ry1[z1]-ry1[z2]);
+ s1 += klabs(rx1[z3]-rx1[z4])+klabs(ry1[z3]-ry1[z4]);
+ s2 = klabs(rx1[z1]-rx1[z4])+klabs(ry1[z1]-ry1[z4]);
+ s2 += klabs(rx1[z3]-rx1[z2])+klabs(ry1[z3]-ry1[z2]);
+ if (s2 < s1)
+ { t = xb1[p2[z]]; xb1[p2[z]] = xb1[p2[zz]]; xb1[p2[zz]] = t; }+ }
+ }
+ if (clipstat&0x5) /* Need to clip bottom or right */
+ {+ npoints2 = 0; start2 = 0; z = 0; splitcnt = 0;
+ do
+ {+ s2 = rx1[z]-cx2;
+ do
+ {+ zz = xb1[z]; xb1[z] = -1;
+ s1 = s2; s2 = rx1[zz]-cx2;
+ if (s1 < 0)
+ {+ rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z];
+ xb2[npoints2] = npoints2+1; npoints2++;
+ }
+ if ((s1^s2) < 0)
+ {+ rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2);
+ ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2);
+ if (s1 < 0) p2[splitcnt++] = npoints2;
+ xb2[npoints2] = npoints2+1;
+ npoints2++;
+ }
+ z = zz;
+ } while (xb1[z] >= 0);
+
+ if (npoints2 >= start2+3)
+ xb2[npoints2-1] = start2, start2 = npoints2;
+ else
+ npoints2 = start2;
+
+ z = 1;
+ while ((z < npoints) && (xb1[z] < 0)) z++;
+ } while (z < npoints);
+ if (npoints2 <= 2) return(0);
+
+ for(z=1;z<splitcnt;z++)
+ for(zz=0;zz<z;zz++)
+ {+ z1 = p2[z]; z2 = xb2[z1]; z3 = p2[zz]; z4 = xb2[z3];
+ s1 = klabs(rx2[z1]-rx2[z2])+klabs(ry2[z1]-ry2[z2]);
+ s1 += klabs(rx2[z3]-rx2[z4])+klabs(ry2[z3]-ry2[z4]);
+ s2 = klabs(rx2[z1]-rx2[z4])+klabs(ry2[z1]-ry2[z4]);
+ s2 += klabs(rx2[z3]-rx2[z2])+klabs(ry2[z3]-ry2[z2]);
+ if (s2 < s1)
+ { t = xb2[p2[z]]; xb2[p2[z]] = xb2[p2[zz]]; xb2[p2[zz]] = t; }+ }
+
+
+ npoints = 0; start2 = 0; z = 0; splitcnt = 0;
+ do
+ {+ s2 = ry2[z]-cy2;
+ do
+ {+ zz = xb2[z]; xb2[z] = -1;
+ s1 = s2; s2 = ry2[zz]-cy2;
+ if (s1 < 0)
+ {+ rx1[npoints] = rx2[z]; ry1[npoints] = ry2[z];
+ xb1[npoints] = npoints+1; npoints++;
+ }
+ if ((s1^s2) < 0)
+ {+ rx1[npoints] = rx2[z]+scale(rx2[zz]-rx2[z],s1,s1-s2);
+ ry1[npoints] = ry2[z]+scale(ry2[zz]-ry2[z],s1,s1-s2);
+ if (s1 < 0) p2[splitcnt++] = npoints;
+ xb1[npoints] = npoints+1;
+ npoints++;
+ }
+ z = zz;
+ } while (xb2[z] >= 0);
+
+ if (npoints >= start2+3)
+ xb1[npoints-1] = start2, start2 = npoints;
+ else
+ npoints = start2;
+
+ z = 1;
+ while ((z < npoints2) && (xb2[z] < 0)) z++;
+ } while (z < npoints2);
+ if (npoints <= 2) return(0);
+
+ for(z=1;z<splitcnt;z++)
+ for(zz=0;zz<z;zz++)
+ {+ z1 = p2[z]; z2 = xb1[z1]; z3 = p2[zz]; z4 = xb1[z3];
+ s1 = klabs(rx1[z1]-rx1[z2])+klabs(ry1[z1]-ry1[z2]);
+ s1 += klabs(rx1[z3]-rx1[z4])+klabs(ry1[z3]-ry1[z4]);
+ s2 = klabs(rx1[z1]-rx1[z4])+klabs(ry1[z1]-ry1[z4]);
+ s2 += klabs(rx1[z3]-rx1[z2])+klabs(ry1[z3]-ry1[z2]);
+ if (s2 < s1)
+ { t = xb1[p2[z]]; xb1[p2[z]] = xb1[p2[zz]]; xb1[p2[zz]] = t; }+ }
+ }
+ return(npoints);
+ }
+
+
+ void drawmapview(int32_t dax, int32_t day, int32_t zoome, short ang)
+ {+ walltype *wal;
+ sectortype *sec;
+ spritetype *spr;
+ int32_t tilenum, xoff, yoff, i, j, k, l, cosang, sinang, xspan, yspan;
+ int32_t xrepeat, yrepeat, x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1;
+ int32_t s, w, ox, oy, startwall, cx1, cy1, cx2, cy2;
+ int32_t bakgxvect, bakgyvect, sortnum, gap, npoints;
+ int32_t xvect, yvect, xvect2, yvect2, daslope;
+
+ beforedrawrooms = 0;
+ totalarea += (windowx2+1-windowx1)*(windowy2+1-windowy1);
+
+ clearbuf(&gotsector[0],(long)((numsectors+31)>>5),0L);
+
+ cx1 = (windowx1<<12); cy1 = (windowy1<<12);
+ cx2 = ((windowx2+1)<<12)-1; cy2 = ((windowy2+1)<<12)-1;
+ zoome <<= 8;
+ bakgxvect = divscale28(sintable[(1536-ang)&2047],zoome);
+ bakgyvect = divscale28(sintable[(2048-ang)&2047],zoome);
+ xvect = mulscale8(sintable[(2048-ang)&2047],zoome);
+ yvect = mulscale8(sintable[(1536-ang)&2047],zoome);
+ xvect2 = mulscale16(xvect,yxaspect);
+ yvect2 = mulscale16(yvect,yxaspect);
+
+ sortnum = 0;
+ for(s=0,sec=§or[s];s<numsectors;s++,sec++)
+ if (show2dsector[s>>3]&pow2char[s&7])
+ {+ npoints = 0; i = 0;
+ startwall = sec->wallptr;
+ for(w=sec->wallnum,wal=&wall[startwall];w>0;w--,wal++)
+ {+ ox = wal->x - dax; oy = wal->y - day;
+ x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
+ y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
+ i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
+ rx1[npoints] = x;
+ ry1[npoints] = y;
+ xb1[npoints] = wal->point2 - startwall;
+ npoints++;
+ }
+ if ((i&0xf0) != 0xf0) continue;
+ bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11);
+ if (i&0x0f)
+ {+ npoints = clippoly(npoints,i);
+ if (npoints < 3) continue;
+ }
+
+ /* Collect floor sprites to draw */
+ for(i=headspritesect[s];i>=0;i=nextspritesect[i])
+ if ((sprite[i].cstat&48) == 32)
+ {+ if ((sprite[i].cstat&(64+8)) == (64+8)) continue;
+ tsprite[sortnum++].owner = i;
+ }
+
+ gotsector[s>>3] |= pow2char[s&7];
+
+ globalorientation = (long)sec->floorstat;
+ if ((globalorientation&1) != 0) continue;
+
+ if (palookup[sec->floorpal] != globalpalwritten)
+ {+ globalpalwritten = palookup[sec->floorpal];
+ setpalookupaddress(globalpalwritten);
+ }
+ globalpicnum = sec->floorpicnum;
+ if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
+ setgotpic(globalpicnum);
+ if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue;
+ if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s);
+ if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
+ globalbufplc = waloff[globalpicnum];
+ globalshade = max(min(sec->floorshade,numpalookups-1),0);
+ globvis = globalhisibility;
+ if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
+ globalpolytype = 0;
+ if ((globalorientation&64) == 0)
+ {+ globalposx = dax; globalx1 = bakgxvect; globaly1 = bakgyvect;
+ globalposy = day; globalx2 = bakgxvect; globaly2 = bakgyvect;
+ }
+ else
+ {+ ox = wall[wall[startwall].point2].x - wall[startwall].x;
+ oy = wall[wall[startwall].point2].y - wall[startwall].y;
+ i = nsqrtasm(ox*ox+oy*oy); if (i == 0) continue;
+ i = 1048576/i;
+ globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
+ globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
+ ox = (bakx1>>4)-(xdim<<7); oy = (baky1>>4)-(ydim<<7);
+ globalposx = dmulscale28(-oy,globalx1,-ox,globaly1);
+ globalposy = dmulscale28(-ox,globalx1,oy,globaly1);
+ globalx2 = -globalx1;
+ globaly2 = -globaly1;
+
+ daslope = sector[s].floorheinum;
+ i = nsqrtasm(daslope*daslope+16777216);
+ globalposy = mulscale12(globalposy,i);
+ globalx2 = mulscale12(globalx2,i);
+ globaly2 = mulscale12(globaly2,i);
+ }
+ globalxshift = (8-(picsiz[globalpicnum]&15));
+ globalyshift = (8-(picsiz[globalpicnum]>>4));
+ if (globalorientation&8) {globalxshift++; globalyshift++; }+
+ sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc);
+
+ if ((globalorientation&0x4) > 0)
+ {+ i = globalposx; globalposx = -globalposy; globalposy = -i;
+ i = globalx2; globalx2 = globaly1; globaly1 = i;
+ i = globalx1; globalx1 = -globaly2; globaly2 = -i;
+ }
+ if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx;
+ if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalposy = -globalposy;
+ asm1 = (globaly1<<globalxshift);
+ asm2 = (globalx2<<globalyshift);
+ globalx1 <<= globalxshift;
+ globaly2 <<= globalyshift;
+ globalposx = (globalposx<<(20+globalxshift))+(((long)sec->floorxpanning)<<24);
+ globalposy = (globalposy<<(20+globalyshift))-(((long)sec->floorypanning)<<24);
+
+ fillpolygon(npoints);
+ }
+
+ /* Sort sprite list */
+ gap = 1; while (gap < sortnum) gap = (gap<<1)+1;
+ for(gap>>=1;gap>0;gap>>=1)
+ for(i=0;i<sortnum-gap;i++)
+ for(j=i;j>=0;j-=gap)
+ {+ if (sprite[tsprite[j].owner].z <= sprite[tsprite[j+gap].owner].z) break;
+ swapshort(&tsprite[j].owner,&tsprite[j+gap].owner);
+ }
+
+ for(s=sortnum-1;s>=0;s--)
+ {+ spr = &sprite[tsprite[s].owner];
+ if ((spr->cstat&48) == 32)
+ {+ npoints = 0;
+
+ tilenum = spr->picnum;
+ xoff = (long)((int8_t )((picanm[tilenum]>>8)&255))+((long)spr->xoffset);
+ yoff = (long)((int8_t )((picanm[tilenum]>>16)&255))+((long)spr->yoffset);
+ if ((spr->cstat&4) > 0) xoff = -xoff;
+ if ((spr->cstat&8) > 0) yoff = -yoff;
+
+ k = spr->ang;
+ cosang = sintable[(k+512)&2047]; sinang = sintable[k];
+ xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat;
+ yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat;
+
+ ox = ((xspan>>1)+xoff)*xrepeat; oy = ((yspan>>1)+yoff)*yrepeat;
+ x1 = spr->x + mulscale(sinang,ox,16) + mulscale(cosang,oy,16);
+ y1 = spr->y + mulscale(sinang,oy,16) - mulscale(cosang,ox,16);
+ l = xspan*xrepeat;
+ x2 = x1 - mulscale(sinang,l,16);
+ y2 = y1 + mulscale(cosang,l,16);
+ l = yspan*yrepeat;
+ k = -mulscale(cosang,l,16); x3 = x2+k; x4 = x1+k;
+ k = -mulscale(sinang,l,16); y3 = y2+k; y4 = y1+k;
+
+ xb1[0] = 1; xb1[1] = 2; xb1[2] = 3; xb1[3] = 0;
+ npoints = 4;
+
+ i = 0;
+
+ ox = x1 - dax; oy = y1 - day;
+ x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
+ y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
+ i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
+ rx1[0] = x; ry1[0] = y;
+
+ ox = x2 - dax; oy = y2 - day;
+ x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
+ y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
+ i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
+ rx1[1] = x; ry1[1] = y;
+
+ ox = x3 - dax; oy = y3 - day;
+ x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11);
+ y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11);
+ i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
+ rx1[2] = x; ry1[2] = y;
+
+ x = rx1[0]+rx1[2]-rx1[1];
+ y = ry1[0]+ry1[2]-ry1[1];
+ i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y);
+ rx1[3] = x; ry1[3] = y;
+
+ if ((i&0xf0) != 0xf0) continue;
+ bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11);
+ if (i&0x0f)
+ {+ npoints = clippoly(npoints,i);
+ if (npoints < 3) continue;
+ }
+
+ globalpicnum = spr->picnum;
+ if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0;
+ setgotpic(globalpicnum);
+ if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue;
+ if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s);
+ if (waloff[globalpicnum] == 0) loadtile(globalpicnum);
+ globalbufplc = waloff[globalpicnum];
+ if ((sector[spr->sectnum].ceilingstat&1) > 0)
+ globalshade = ((long)sector[spr->sectnum].ceilingshade);
+ else
+ globalshade = ((long)sector[spr->sectnum].floorshade);
+ globalshade = max(min(globalshade+spr->shade+6,numpalookups-1),0);
+ asm3 = (long) FP_OFF(palookup[spr->pal]+(globalshade<<8));
+ globvis = globalhisibility;
+ if (sec->visibility != 0) globvis = mulscale4(globvis,(long)((uint8_t )(sec->visibility+16)));
+ globalpolytype = ((spr->cstat&2)>>1)+1;
+
+ /* relative alignment stuff */
+ ox = x2-x1; oy = y2-y1;
+ i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i;
+ globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
+ globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
+ ox = y1-y4; oy = x4-x1;
+ i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i;
+ globalx2 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i);
+ globaly2 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i);
+
+ ox = picsiz[globalpicnum]; oy = ((ox>>4)&15); ox &= 15;
+ if (pow2long[ox] != xspan)
+ {+ ox++;
+ globalx1 = mulscale(globalx1,xspan,ox);
+ globaly1 = mulscale(globaly1,xspan,ox);
+ }
+
+ bakx1 = (bakx1>>4)-(xdim<<7); baky1 = (baky1>>4)-(ydim<<7);
+ globalposx = dmulscale28(-baky1,globalx1,-bakx1,globaly1);
+ globalposy = dmulscale28(bakx1,globalx2,-baky1,globaly2);
+
+ if ((spr->cstat&2) == 0)
+ msethlineshift(ox,oy);
+ else
+ tsethlineshift(ox,oy);
+
+ if ((spr->cstat&0x4) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx;
+ asm1 = (globaly1<<2); globalx1 <<= 2; globalposx <<= (20+2);
+ asm2 = (globalx2<<2); globaly2 <<= 2; globalposy <<= (20+2);
+
+ fillpolygon(npoints);
+ }
+ }
+ }
+
+
+ void clearview(int32_t dacol)
+ {+ int32_t p, y, dx;
+
+ if (qsetmode != 200) return;
+
+ dx = windowx2-windowx1+1;
+ dacol += (dacol<<8); dacol += (dacol<<16);
+ if (vidoption == 6)
+ {+ p = (long) FP_OFF(screen)+ylookup[windowy1]+windowx1;
+ for(y=windowy1;y<=windowy2;y++)
+ {+ clearbufbyte((void *)p,dx,dacol);
+ clearbufbyte((void *)(p+65536),dx,dacol);
+ p += ylookup[1];
+ }
+ faketimerhandler();
+ return;
+ }
+ p = frameplace+ylookup[windowy1]+windowx1;
+ for(y=windowy1;y<=windowy2;y++)
+ { clearbufbyte((void *)p,dx,dacol); p += ylookup[1]; }+ faketimerhandler();
+ }
+
+
+ void clearallviews(int32_t dacol)
+ {+ int32_t i;
+
+ if (qsetmode != 200) return;
+ dacol += (dacol<<8); dacol += (dacol<<16);
+
+ switch(vidoption)
+ {+ case 1:
+ for(i=0;i<numpages;i++)
+ {+ setactivepage(i);
+ clearbufbyte((void *)frameplace,imageSize,0L);
+ }
+ setactivepage(activepage);
+ case 2:
+ clearbuf((void *)frameplace,(xdim*ydim)>>2,0L);
+ break;
+ case 6:
+ clearbuf(screen,128000L>>2,dacol);
+ break;
+ }
+ faketimerhandler();
+ }
+
+
+ void plotpixel(int32_t x, int32_t y, uint8_t col)
+ {+ drawpixel(ylookup[y]+x+frameplace,(long)col);
+ }
+
+
+ uint8_t getpixel(int32_t x, int32_t y)
+ {+ return(readpixel(ylookup[y]+x+frameplace));
+ }
+
+ /* MUST USE RESTOREFORDRAWROOMS AFTER DRAWING */
+ static int32_t setviewcnt = 0;
+ static int32_t bakvidoption[4];
+ static int32_t bakframeplace[4], bakxsiz[4], bakysiz[4];
+ static int32_t bakwindowx1[4], bakwindowy1[4];
+ static int32_t bakwindowx2[4], bakwindowy2[4];
+
+
+ void setviewtotile(short tilenume, int32_t xsiz, int32_t ysiz)
+ {+ int32_t i, j;
+
+ /* DRAWROOMS TO TILE BACKUP&SET CODE */
+ tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz;
+ bakxsiz[setviewcnt] = xsiz; bakysiz[setviewcnt] = ysiz;
+ bakvidoption[setviewcnt] = vidoption;
+ vidoption = 2;
+ bakframeplace[setviewcnt] = frameplace; frameplace = waloff[tilenume];
+ bakwindowx1[setviewcnt] = windowx1; bakwindowy1[setviewcnt] = windowy1;
+ bakwindowx2[setviewcnt] = windowx2; bakwindowy2[setviewcnt] = windowy2;
+ copybufbyte(&startumost[windowx1],&bakumost[windowx1],(windowx2-windowx1+1)*sizeof(bakumost[0]));
+ copybufbyte(&startdmost[windowx1],&bakdmost[windowx1],(windowx2-windowx1+1)*sizeof(bakdmost[0]));
+ setview(0,0,ysiz-1,xsiz-1);
+ setaspect(65536,65536);
+ j = 0; for(i=0;i<=xsiz;i++) { ylookup[i] = j, j += ysiz; }+ setvlinebpl(ysiz);
+ setviewcnt++;
+ }
+
+
+ void setviewback(void)
+ {+ int32_t i, j, k;
+
+ if (setviewcnt <= 0) return;
+ setviewcnt--;
+
+ setview(bakwindowx1[setviewcnt],bakwindowy1[setviewcnt],
+ bakwindowx2[setviewcnt],bakwindowy2[setviewcnt]);
+ copybufbyte(&bakumost[windowx1],&startumost[windowx1],(windowx2-windowx1+1)*sizeof(startumost[0]));
+ copybufbyte(&bakdmost[windowx1],&startdmost[windowx1],(windowx2-windowx1+1)*sizeof(startdmost[0]));
+ vidoption = bakvidoption[setviewcnt];
+ frameplace = bakframeplace[setviewcnt];
+ if (setviewcnt == 0)
+ k = bakxsiz[0];
+ else
+ k = max(bakxsiz[setviewcnt-1],bakxsiz[setviewcnt]);
+ j = 0; for(i=0;i<=k;i++) ylookup[i] = j, j += bytesperline;
+ setvlinebpl(bytesperline);
+ }
+
+
+ void squarerotatetile(short tilenume)
+ {+ int32_t i, j, k, xsiz, ysiz;
+ uint8_t *ptr1, *ptr2;
+
+ xsiz = tilesizx[tilenume]; ysiz = tilesizy[tilenume];
+
+ /* supports square tiles only for rotation part */
+ if (xsiz == ysiz)
+ {+ k = (xsiz<<1);
+ for(i=xsiz-1;i>=0;i--)
+ {+ ptr1 = (uint8_t *) (waloff[tilenume]+i*(xsiz+1));
+ ptr2 = ptr1;
+ if ((i&1) != 0) { ptr1--; ptr2 -= xsiz; swapchar(ptr1,ptr2); }+ for(j=(i>>1)-1;j>=0;j--)
+ { ptr1 -= 2; ptr2 -= k; swapchar2(ptr1,ptr2,xsiz); }+ }
+ }
+ }
+
+
+ void preparemirror(int32_t dax, int32_t day, int32_t daz,
+ short daang, int32_t dahoriz, short dawall,
+ short dasector, int32_t *tposx, int32_t *tposy,
+ short *tang)
+ {+ int32_t i, j, x, y, dx, dy;
+
+ x = wall[dawall].x; dx = wall[wall[dawall].point2].x-x;
+ y = wall[dawall].y; dy = wall[wall[dawall].point2].y-y;
+ j = dx*dx + dy*dy; if (j == 0) return;
+ i = (((dax-x)*dx + (day-y)*dy)<<1);
+ *tposx = (x<<1) + scale(dx,i,j) - dax;
+ *tposy = (y<<1) + scale(dy,i,j) - day;
+ *tang = (((getangle(dx,dy)<<1)-daang)&2047);
+
+ inpreparemirror = 1;
+ }
+
+
+ void completemirror(void)
+ {+ int32_t i, dy, p;
+
+ /* Can't reverse with uninitialized data */
+ if (inpreparemirror) { inpreparemirror = 0; return; }+ if (mirrorsx1 > 0) mirrorsx1--;
+ if (mirrorsx2 < windowx2-windowx1-1) mirrorsx2++;
+ if (mirrorsx2 < mirrorsx1) return;
+
+ transarea += (mirrorsx2-mirrorsx1)*(windowy2-windowy1);
+
+ p = frameplace+ylookup[windowy1+mirrorsy1]+windowx1+mirrorsx1;
+ i = windowx2-windowx1-mirrorsx2-mirrorsx1; mirrorsx2 -= mirrorsx1;
+ // FIX_00085: Optimized Video driver. FPS increases by +20%.
+ for(dy=mirrorsy2-mirrorsy1-1;dy>=0;dy--)
+ {+ copybufbyte((void *)(p),tempbuf,mirrorsx2+1);
+ tempbuf[mirrorsx2] = tempbuf[mirrorsx2-1];
+ copybufreverse(&tempbuf[mirrorsx2],(void *)(p+i),mirrorsx2+1);
+ p += ylookup[1];
+ faketimerhandler();
+ }
+ }
+
+
+ int sectorofwall(short theline)
+ {+ int32_t i, gap;
+
+ if ((theline < 0) || (theline >= numwalls)) return(-1);
+ i = wall[theline].nextwall; if (i >= 0) return(wall[i].nextsector);
+
+ gap = (numsectors>>1); i = gap;
+ while (gap > 1)
+ {+ gap >>= 1;
+ if (sector[i].wallptr < theline) i += gap; else i -= gap;
+ }
+ while (sector[i].wallptr > theline) i--;
+ while (sector[i].wallptr+sector[i].wallnum <= theline) i++;
+ return(i);
+ }
+
+
+ int getceilzofslope(short sectnum, int32_t dax, int32_t day)
+ {+ int32_t dx, dy, i, j;
+ walltype *wal;
+
+ if (!(sector[sectnum].ceilingstat&2)) return(sector[sectnum].ceilingz);
+ wal = &wall[sector[sectnum].wallptr];
+ dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y;
+ i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].ceilingz);
+ j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
+ return(sector[sectnum].ceilingz+scale(sector[sectnum].ceilingheinum,j,i));
+ }
+
+
+ int getflorzofslope(short sectnum, int32_t dax, int32_t day)
+ {+ int32_t dx, dy, i, j;
+ walltype *wal;
+
+ if (!(sector[sectnum].floorstat&2)) return(sector[sectnum].floorz);
+ wal = &wall[sector[sectnum].wallptr];
+ dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y;
+ i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].floorz);
+ j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
+ return(sector[sectnum].floorz+scale(sector[sectnum].floorheinum,j,i));
+ }
+
+
+ void getzsofslope(short sectnum, int32_t dax, int32_t day, int32_t *ceilz, int32_t *florz)
+ {+ int32_t dx, dy, i, j;
+ walltype *wal, *wal2;
+ sectortype *sec;
+
+ sec = §or[sectnum];
+ *ceilz = sec->ceilingz; *florz = sec->floorz;
+ if ((sec->ceilingstat|sec->floorstat)&2)
+ {+ wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2];
+ dx = wal2->x-wal->x; dy = wal2->y-wal->y;
+ i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return;
+ j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x);
+ if (sec->ceilingstat&2) *ceilz = (*ceilz)+scale(sec->ceilingheinum,j,i);
+ if (sec->floorstat&2) *florz = (*florz)+scale(sec->floorheinum,j,i);
+ }
+ }
+
+
+ void alignceilslope(short dasect, int32_t x, int32_t y, int32_t z)
+ {+ int32_t i, dax, day;
+ walltype *wal;
+
+ wal = &wall[sector[dasect].wallptr];
+ dax = wall[wal->point2].x-wal->x;
+ day = wall[wal->point2].y-wal->y;
+
+ i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return;
+ sector[dasect].ceilingheinum = scale((z-sector[dasect].ceilingz)<<8,
+ nsqrtasm(dax*dax+day*day),i);
+
+ if (sector[dasect].ceilingheinum == 0) sector[dasect].ceilingstat &= ~2;
+ else sector[dasect].ceilingstat |= 2;
+ }
+
+
+ void alignflorslope(short dasect, int32_t x, int32_t y, int32_t z)
+ {+ int32_t i, dax, day;
+ walltype *wal;
+
+ wal = &wall[sector[dasect].wallptr];
+ dax = wall[wal->point2].x-wal->x;
+ day = wall[wal->point2].y-wal->y;
+
+ i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return;
+ sector[dasect].floorheinum = scale((z-sector[dasect].floorz)<<8,
+ nsqrtasm(dax*dax+day*day),i);
+
+ if (sector[dasect].floorheinum == 0) sector[dasect].floorstat &= ~2;
+ else sector[dasect].floorstat |= 2;
+ }
+
+
+ int loopnumofsector(short sectnum, short wallnum)
+ {+ int32_t i, numloops, startwall, endwall;
+
+ numloops = 0;
+ startwall = sector[sectnum].wallptr;
+ endwall = startwall + sector[sectnum].wallnum;
+ for(i=startwall;i<endwall;i++)
+ {+ if (i == wallnum) return(numloops);
+ if (wall[i].point2 < i) numloops++;
+ }
+ return(-1);
+ }
+
+
+ void setfirstwall(short sectnum, short newfirstwall)
+ {+ int32_t i, j, k, numwallsofloop;
+ int32_t startwall, endwall, danumwalls, dagoalloop;
+
+ startwall = sector[sectnum].wallptr;
+ danumwalls = sector[sectnum].wallnum;
+ endwall = startwall+danumwalls;
+ if ((newfirstwall < startwall) || (newfirstwall >= startwall+danumwalls)) return;
+ for(i=0;i<danumwalls;i++)
+ memcpy(&wall[i+numwalls],&wall[i+startwall],sizeof(walltype));
+
+ numwallsofloop = 0;
+ i = newfirstwall;
+ do
+ {+ numwallsofloop++;
+ i = wall[i].point2;
+ } while (i != newfirstwall);
+
/* Put correct loop at beginning */
- dagoalloop = loopnumofsector(sectnum,newfirstwall);
- if (dagoalloop > 0)
- {- j = 0;
- while (loopnumofsector(sectnum,j+startwall) != dagoalloop) j++;
- for(i=0;i<danumwalls;i++)
- {- k = i+j; if (k >= danumwalls) k -= danumwalls;
- memcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype));
-
- wall[startwall+i].point2 += danumwalls-startwall-j;
- if (wall[startwall+i].point2 >= danumwalls)
- wall[startwall+i].point2 -= danumwalls;
- wall[startwall+i].point2 += startwall;
- }
- newfirstwall += danumwalls-j;
- if (newfirstwall >= startwall+danumwalls) newfirstwall -= danumwalls;
- }
-
- for(i=0;i<numwallsofloop;i++)
- memcpy(&wall[i+numwalls],&wall[i+startwall],sizeof(walltype));
- for(i=0;i<numwallsofloop;i++)
- {- k = i+newfirstwall-startwall;
- if (k >= numwallsofloop) k -= numwallsofloop;
- memcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype));
-
- wall[startwall+i].point2 += numwallsofloop-newfirstwall;
- if (wall[startwall+i].point2 >= numwallsofloop)
- wall[startwall+i].point2 -= numwallsofloop;
- wall[startwall+i].point2 += startwall;
- }
-
- for(i=startwall;i<endwall;i++)
- if (wall[i].nextwall >= 0) wall[wall[i].nextwall].nextwall = i;
-}
-
-/* end of engine.c ... */
-
-
+ dagoalloop = loopnumofsector(sectnum,newfirstwall);
+ if (dagoalloop > 0)
+ {+ j = 0;
+ while (loopnumofsector(sectnum,j+startwall) != dagoalloop) j++;
+ for(i=0;i<danumwalls;i++)
+ {+ k = i+j; if (k >= danumwalls) k -= danumwalls;
+ memcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype));
+
+ wall[startwall+i].point2 += danumwalls-startwall-j;
+ if (wall[startwall+i].point2 >= danumwalls)
+ wall[startwall+i].point2 -= danumwalls;
+ wall[startwall+i].point2 += startwall;
+ }
+ newfirstwall += danumwalls-j;
+ if (newfirstwall >= startwall+danumwalls) newfirstwall -= danumwalls;
+ }
+
+ for(i=0;i<numwallsofloop;i++)
+ memcpy(&wall[i+numwalls],&wall[i+startwall],sizeof(walltype));
+ for(i=0;i<numwallsofloop;i++)
+ {+ k = i+newfirstwall-startwall;
+ if (k >= numwallsofloop) k -= numwallsofloop;
+ memcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype));
+
+ wall[startwall+i].point2 += numwallsofloop-newfirstwall;
+ if (wall[startwall+i].point2 >= numwallsofloop)
+ wall[startwall+i].point2 -= numwallsofloop;
+ wall[startwall+i].point2 += startwall;
+ }
+
+ for(i=startwall;i<endwall;i++)
+ if (wall[i].nextwall >= 0) wall[wall[i].nextwall].nextwall = i;
+ }
+
+ /* end of engine.c ... */
+
+