ref: 84552e7da9b4babc1c885d38088509faa733e7bb
dir: /src/hexen/m_misc.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
//-----------------------------------------------------------------------------
// HEADER FILES ------------------------------------------------------------
#ifdef __NeXT__
#include <libc.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#endif
#include <ctype.h>
#include "h2def.h"
#include "p_local.h"
#include "soundst.h"
// MACROS ------------------------------------------------------------------
#define MALLOC_CLIB 1
#define MALLOC_ZONE 2
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static int ReadFile(char const *name, byte ** buffer, int mallocType);
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
extern char *SavePath;
// PUBLIC DATA DEFINITIONS -------------------------------------------------
int myargc;
char **myargv;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
//==========================================================================
//
// M_CheckParm
//
// Checks for the given parameter in the program's command line arguments.
// Returns the argument number (1 to argc-1) or 0 if not present.
//
//==========================================================================
int M_CheckParm(char *check)
{
int i;
for (i = 1; i < myargc; i++)
{
if (!strcasecmp(check, myargv[i]))
{
return i;
}
}
return 0;
}
//==========================================================================
//
// M_ParmExists
//
// Returns true if the given parameter exists in the program's command
// line arguments, false if not.
//
//==========================================================================
boolean M_ParmExists(char *check)
{
return M_CheckParm(check) != 0 ? true : false;
}
//==========================================================================
//
// M_ExtractFileBase
//
//==========================================================================
void M_ExtractFileBase(char *path, char *dest)
{
char *src;
int length;
src = path + strlen(path) - 1;
// Back up until a \ or the start
while (src != path && *(src - 1) != '\\' && *(src - 1) != '/')
{
src--;
}
// Copy up to eight characters
memset(dest, 0, 8);
length = 0;
while (*src && *src != '.')
{
if (++length == 9)
{
I_Error("Filename base of %s > 8 chars", path);
}
*dest++ = toupper((int) *src++);
}
}
/*
===============
=
= M_Random
=
= Returns a 0-255 number
=
===============
*/
// This is the new flat distribution table
unsigned char rndtable[256] = {
201, 1, 243, 19, 18, 42, 183, 203, 101, 123, 154, 137, 34, 118, 10, 216,
135, 246, 0, 107, 133, 229, 35, 113, 177, 211, 110, 17, 139, 84, 251, 235,
182, 166, 161, 230, 143, 91, 24, 81, 22, 94, 7, 51, 232, 104, 122, 248,
175, 138, 127, 171, 222, 213, 44, 16, 9, 33, 88, 102, 170, 150, 136, 114,
62, 3, 142, 237, 6, 252, 249, 56, 74, 30, 13, 21, 180, 199, 32, 132,
187, 234, 78, 210, 46, 131, 197, 8, 206, 244, 73, 4, 236, 178, 195, 70,
121, 97, 167, 217, 103, 40, 247, 186, 105, 39, 95, 163, 99, 149, 253, 29,
119, 83, 254, 26, 202, 65, 130, 155, 60, 64, 184, 106, 221, 93, 164, 196,
112, 108, 179, 141, 54, 109, 11, 126, 75, 165, 191, 227, 87, 225, 156, 15,
98, 162, 116, 79, 169, 140, 190, 205, 168, 194, 41, 250, 27, 20, 14, 241,
50, 214, 72, 192, 220, 233, 67, 148, 96, 185, 176, 181, 215, 207, 172, 85,
89, 90, 209, 128, 124, 2, 55, 173, 66, 152, 47, 129, 59, 43, 159, 240,
239, 12, 189, 212, 144, 28, 200, 77, 219, 198, 134, 228, 45, 92, 125, 151,
5, 53, 255, 52, 68, 245, 160, 158, 61, 86, 58, 82, 117, 37, 242, 145,
69, 188, 115, 76, 63, 100, 49, 111, 153, 80, 38, 57, 174, 224, 71, 231,
23, 25, 48, 218, 120, 147, 208, 36, 226, 223, 193, 238, 157, 204, 146, 31
};
int rndindex = 0;
int prndindex = 0;
int P_Random(void)
{
prndindex = (prndindex + 1) & 0xff;
return rndtable[prndindex];
}
int M_Random(void)
{
rndindex = (rndindex + 1) & 0xff;
return rndtable[rndindex];
}
void M_ClearRandom(void)
{
rndindex = prndindex = 0;
}
void M_ClearBox(fixed_t * box)
{
box[BOXTOP] = box[BOXRIGHT] = INT_MIN;
box[BOXBOTTOM] = box[BOXLEFT] = INT_MAX;
}
void M_AddToBox(fixed_t * box, fixed_t x, fixed_t y)
{
if (x < box[BOXLEFT])
box[BOXLEFT] = x;
else if (x > box[BOXRIGHT])
box[BOXRIGHT] = x;
if (y < box[BOXBOTTOM])
box[BOXBOTTOM] = y;
else if (y > box[BOXTOP])
box[BOXTOP] = y;
}
/*
==================
=
= M_WriteFile
=
==================
*/
#ifndef O_BINARY
#define O_BINARY 0
#endif
boolean M_WriteFile(char const *name, void *source, int length)
{
int handle, count;
handle = open(name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
if (handle == -1)
return false;
count = write(handle, source, length);
close(handle);
if (count < length)
return false;
return true;
}
//==========================================================================
//
// M_ReadFile
//
// Read a file into a buffer allocated using Z_Malloc().
//
//==========================================================================
int M_ReadFile(char const *name, byte ** buffer)
{
return ReadFile(name, buffer, MALLOC_ZONE);
}
//==========================================================================
//
// M_ReadFileCLib
//
// Read a file into a buffer allocated using malloc().
//
//==========================================================================
int M_ReadFileCLib(char const *name, byte ** buffer)
{
return ReadFile(name, buffer, MALLOC_CLIB);
}
//==========================================================================
//
// ReadFile
//
//==========================================================================
static int ReadFile(char const *name, byte ** buffer, int mallocType)
{
int handle, count, length;
struct stat fileinfo;
byte *buf;
handle = open(name, O_RDONLY | O_BINARY, 0666);
if (handle == -1)
{
I_Error("Couldn't read file %s", name);
}
if (fstat(handle, &fileinfo) == -1)
{
I_Error("Couldn't read file %s", name);
}
length = fileinfo.st_size;
if (mallocType == MALLOC_ZONE)
{ // Use zone memory allocation
buf = Z_Malloc(length, PU_STATIC, NULL);
}
else
{ // Use c library memory allocation
buf = malloc(length);
if (buf == NULL)
{
I_Error("Couldn't malloc buffer %d for file %s.", length, name);
}
}
count = read(handle, buf, length);
close(handle);
if (count < length)
{
I_Error("Couldn't read file %s", name);
}
*buffer = buf;
return length;
}
//---------------------------------------------------------------------------
//
// PROC M_FindResponseFile
//
//---------------------------------------------------------------------------
#define MAXARGVS 100
void M_FindResponseFile(void)
{
int i;
for (i = 1; i < myargc; i++)
{
if (myargv[i][0] == '@')
{
FILE *handle;
int size;
int k;
int index;
int indexinfile;
char *infile;
char *file;
char *moreargs[20];
char *firstargv;
// READ THE RESPONSE FILE INTO MEMORY
handle = fopen(&myargv[i][1], "rb");
if (!handle)
{
printf("\nNo such response file!");
exit(1);
}
ST_Message("Found response file %s!\n", &myargv[i][1]);
fseek(handle, 0, SEEK_END);
size = ftell(handle);
fseek(handle, 0, SEEK_SET);
file = malloc(size);
fread(file, size, 1, handle);
fclose(handle);
// KEEP ALL CMDLINE ARGS FOLLOWING @RESPONSEFILE ARG
for (index = 0, k = i + 1; k < myargc; k++)
moreargs[index++] = myargv[k];
firstargv = myargv[0];
myargv = malloc(sizeof(char *) * MAXARGVS);
memset(myargv, 0, sizeof(char *) * MAXARGVS);
myargv[0] = firstargv;
infile = file;
indexinfile = k = 0;
indexinfile++; // SKIP PAST ARGV[0] (KEEP IT)
do
{
myargv[indexinfile++] = infile + k;
while (k < size &&
((*(infile + k) >= ' ' + 1) && (*(infile + k) <= 'z')))
k++;
*(infile + k) = 0;
while (k < size &&
((*(infile + k) <= ' ') || (*(infile + k) > 'z')))
k++;
}
while (k < size);
for (k = 0; k < index; k++)
myargv[indexinfile++] = moreargs[k];
myargc = indexinfile;
// DISPLAY ARGS
if (M_CheckParm("-debug"))
{
ST_Message("%d command-line args:\n", myargc);
for (k = 1; k < myargc; k++)
{
ST_Message("%s\n", myargv[k]);
}
}
break;
}
}
}
//---------------------------------------------------------------------------
//
// PROC M_ForceUppercase
//
// Change string to uppercase.
//
//---------------------------------------------------------------------------
void M_ForceUppercase(char *text)
{
char c;
while ((c = *text) != 0)
{
if (c >= 'a' && c <= 'z')
{
*text++ = c - ('a' - 'A');
}
else
{
text++;
}
}
}
/*
==============================================================================
DEFAULTS
==============================================================================
*/
int usemouse;
int usejoystick;
extern int key_right, key_left, key_up, key_down;
extern int key_strafeleft, key_straferight, key_jump;
extern int key_fire, key_use, key_strafe, key_speed;
extern int key_flyup, key_flydown, key_flycenter;
extern int key_lookup, key_lookdown, key_lookcenter;
extern int key_invleft, key_invright, key_useartifact;
extern int mousebfire;
extern int mousebstrafe;
extern int mousebforward;
extern int mousebjump;
extern int joybfire;
extern int joybstrafe;
extern int joybuse;
extern int joybspeed;
extern int joybjump;
extern boolean messageson;
extern int viewwidth, viewheight;
int mouseSensitivity;
extern int screenblocks;
extern char *chat_macros[10];
typedef struct
{
char *name;
int *location;
int defaultvalue;
int scantranslate; // PC scan code hack
int untranslated; // lousy hack
} default_t;
#ifndef __NeXT__
extern int snd_Channels;
extern int snd_DesiredMusicDevice, snd_DesiredSfxDevice;
extern int snd_MusicDevice, // current music card # (index to dmxCodes)
snd_SfxDevice; // current sfx card # (index to dmxCodes)
extern int snd_SBport, snd_SBirq, snd_SBdma; // sound blaster variables
extern int snd_Mport; // midi variables
#endif
default_t defaults[] = {
{"mouse_sensitivity", &mouseSensitivity, 5},
#ifndef __NeXT__
{"sfx_volume", &snd_MaxVolume, 10},
{"music_volume", &snd_MusicVolume, 10},
#endif
#ifdef __WATCOMC__
#define SC_UPARROW 0x48
#define SC_DOWNARROW 0x50
#define SC_LEFTARROW 0x4b
#define SC_RIGHTARROW 0x4d
#define SC_RCTRL 0x1d
#define SC_RALT 0x38
#define SC_RSHIFT 0x36
#define SC_SPACE 0x39
#define SC_COMMA 0x33
#define SC_PERIOD 0x34
#define SC_PAGEUP 0x49
#define SC_INSERT 0x52
#define SC_HOME 0x47
#define SC_PAGEDOWN 0x51
#define SC_DELETE 0x53
#define SC_END 0x4f
#define SC_ENTER 0x1c
#define SC_SLASH 0X35
{"key_right", &key_right, SC_RIGHTARROW, 1},
{"key_left", &key_left, SC_LEFTARROW, 1},
{"key_up", &key_up, SC_UPARROW, 1},
{"key_down", &key_down, SC_DOWNARROW, 1},
{"key_strafeleft", &key_strafeleft, SC_COMMA, 1},
{"key_straferight", &key_straferight, SC_PERIOD, 1},
{"key_jump", &key_jump, SC_SLASH, 1},
{"key_flyup", &key_flyup, SC_PAGEUP, 1},
{"key_flydown", &key_flydown, SC_INSERT, 1},
{"key_flycenter", &key_flycenter, SC_HOME, 1},
{"key_lookup", &key_lookup, SC_PAGEDOWN, 1},
{"key_lookdown", &key_lookdown, SC_DELETE, 1},
{"key_lookcenter", &key_lookcenter, SC_END, 1},
{"key_invleft", &key_invleft, 0x1a, 1},
{"key_invright", &key_invright, 0x1b, 1},
{"key_useartifact", &key_useartifact, SC_ENTER, 1},
{"key_fire", &key_fire, SC_RCTRL, 1},
{"key_use", &key_use, SC_SPACE, 1},
{"key_strafe", &key_strafe, SC_RALT, 1},
{"key_speed", &key_speed, SC_RSHIFT, 1},
#endif
#ifdef __NeXT__
{"key_right", &key_right, KEY_RIGHTARROW},
{"key_left", &key_left, KEY_LEFTARROW},
{"key_up", &key_up, KEY_UPARROW},
{"key_down", &key_down, KEY_DOWNARROW},
{"key_strafeleft", &key_strafeleft, ','},
{"key_straferight", &key_straferight, '.'},
{"key_jump", &key_jump, '/'},
{"key_flyup", &key_flyup, 'u'},
{"key_flydown", &key_flydown, 'j'},
{"key_flycenter", &key_flycenter, 'k'},
{"key_lookup", &key_lookup, 'm'},
{"key_lookdown", &key_lookdown, 'b'},
{"key_lookcenter", &key_lookcenter, 'n'},
{"key_invleft", &key_invleft, '['},
{"key_invright", &key_invright, ']'},
{"key_useartifact", &key_useartifact, 13},
{"key_fire", &key_fire, ' ', 1},
{"key_use", &key_use, 'x', 1},
{"key_strafe", &key_strafe, 'c', 1},
{"key_speed", &key_speed, 'z', 1},
#endif
{"use_mouse", &usemouse, 1},
{"mouseb_fire", &mousebfire, 0},
{"mouseb_strafe", &mousebstrafe, 1},
{"mouseb_forward", &mousebforward, 2},
{"mouseb_jump", &mousebjump, -1},
{"use_joystick", &usejoystick, 0},
{"joyb_fire", &joybfire, 0},
{"joyb_strafe", &joybstrafe, 1},
{"joyb_use", &joybuse, 3},
{"joyb_speed", &joybspeed, 2},
{"joyb_jump", &joybjump, -1},
{"screenblocks", &screenblocks, 10},
#ifndef __NeXT__
{"snd_channels", &snd_Channels, 3},
{"snd_musicdevice", &snd_DesiredMusicDevice, 0},
{"snd_sfxdevice", &snd_DesiredSfxDevice, 0},
{"snd_sbport", &snd_SBport, 544},
{"snd_sbirq", &snd_SBirq, -1},
{"snd_sbdma", &snd_SBdma, -1},
{"snd_mport", &snd_Mport, -1},
#endif
{"usegamma", &usegamma, 0},
#define DEFAULT_SAVEPATH "hexndata/"
{"savedir", (int *) &SavePath, (int) DEFAULT_SAVEPATH},
{"messageson", (int *) &messageson, 1},
{"chatmacro0", (int *) &chat_macros[0], (int) HUSTR_CHATMACRO0},
{"chatmacro1", (int *) &chat_macros[1], (int) HUSTR_CHATMACRO1},
{"chatmacro2", (int *) &chat_macros[2], (int) HUSTR_CHATMACRO2},
{"chatmacro3", (int *) &chat_macros[3], (int) HUSTR_CHATMACRO3},
{"chatmacro4", (int *) &chat_macros[4], (int) HUSTR_CHATMACRO4},
{"chatmacro5", (int *) &chat_macros[5], (int) HUSTR_CHATMACRO5},
{"chatmacro6", (int *) &chat_macros[6], (int) HUSTR_CHATMACRO6},
{"chatmacro7", (int *) &chat_macros[7], (int) HUSTR_CHATMACRO7},
{"chatmacro8", (int *) &chat_macros[8], (int) HUSTR_CHATMACRO8},
{"chatmacro9", (int *) &chat_macros[9], (int) HUSTR_CHATMACRO9}
};
int numdefaults;
char defaultfile[128];
/*
==============
=
= M_SaveDefaults
=
==============
*/
void M_SaveDefaults(void)
{
int i, v;
FILE *f;
f = fopen(defaultfile, "w");
if (!f)
return; // can't write the file, but don't complain
for (i = 0; i < numdefaults; i++)
{
#ifdef __WATCOMC__
if (defaults[i].scantranslate)
defaults[i].location = &defaults[i].untranslated;
#endif
if (defaults[i].defaultvalue > -0xfff
&& defaults[i].defaultvalue < 0xfff)
{
v = *defaults[i].location;
fprintf(f, "%s\t\t%i\n", defaults[i].name, v);
}
else
{
fprintf(f, "%s\t\t\"%s\"\n", defaults[i].name,
*(char **) (defaults[i].location));
}
}
fclose(f);
}
//==========================================================================
//
// M_LoadDefaults
//
//==========================================================================
extern byte scantokey[128];
void M_LoadDefaults(char *fileName)
{
int i;
int len;
FILE *f;
char def[80];
char strparm[100];
char *newstring;
int parm;
boolean isstring;
// Set everything to base values
numdefaults = sizeof(defaults) / sizeof(defaults[0]);
for (i = 0; i < numdefaults; i++)
{
*defaults[i].location = defaults[i].defaultvalue;
}
// Check for a custom config file
i = M_CheckParm("-config");
if (i && i < myargc - 1)
{
strcpy(defaultfile, myargv[i + 1]);
ST_Message("config file: %s\n", defaultfile);
}
else if (cdrom)
{
sprintf(defaultfile, "c:\\hexndata\\%s", fileName);
}
else
{
strcpy(defaultfile, fileName);
}
// Scan the config file
f = fopen(defaultfile, "r");
if (f)
{
while (!feof(f))
{
isstring = false;
if (fscanf(f, "%79s %[^\n]\n", def, strparm) == 2)
{
if (strparm[0] == '"')
{
// Get a string default
isstring = true;
len = strlen(strparm);
newstring = (char *) malloc(len);
if (newstring == NULL)
I_Error("can't malloc newstring");
strparm[len - 1] = 0;
strcpy(newstring, strparm + 1);
}
else if (strparm[0] == '0' && strparm[1] == 'x')
{
sscanf(strparm + 2, "%x", &parm);
}
else
{
sscanf(strparm, "%i", &parm);
}
for (i = 0; i < numdefaults; i++)
{
if (!strcmp(def, defaults[i].name))
{
if (!isstring)
{
*defaults[i].location = parm;
}
else
{
*defaults[i].location = (int) newstring;
}
break;
}
}
}
}
fclose(f);
}
#ifdef __WATCOMC__
// Translate the key scancodes
for (i = 0; i < numdefaults; i++)
{
if (defaults[i].scantranslate)
{
parm = *defaults[i].location;
defaults[i].untranslated = parm;
*defaults[i].location = scantokey[parm];
}
}
#endif
}
/*
==============================================================================
SCREEN SHOTS
==============================================================================
*/
typedef struct
{
char manufacturer;
char version;
char encoding;
char bits_per_pixel;
unsigned short xmin, ymin, xmax, ymax;
unsigned short hres, vres;
unsigned char palette[48];
char reserved;
char color_planes;
unsigned short bytes_per_line;
unsigned short palette_type;
char filler[58];
unsigned char data; // unbounded
} pcx_t;
/*
==============
=
= WritePCXfile
=
==============
*/
void WritePCXfile(char *filename, byte * data, int width, int height,
byte * palette)
{
int i, length;
pcx_t *pcx;
byte *pack;
pcx = Z_Malloc(width * height * 2 + 1000, PU_STATIC, NULL);
pcx->manufacturer = 0x0a; // PCX id
pcx->version = 5; // 256 color
pcx->encoding = 1; // uncompressed
pcx->bits_per_pixel = 8; // 256 color
pcx->xmin = 0;
pcx->ymin = 0;
pcx->xmax = SHORT(width - 1);
pcx->ymax = SHORT(height - 1);
pcx->hres = SHORT(width);
pcx->vres = SHORT(height);
memset(pcx->palette, 0, sizeof(pcx->palette));
pcx->color_planes = 1; // chunky image
pcx->bytes_per_line = SHORT(width);
pcx->palette_type = SHORT(2); // not a grey scale
memset(pcx->filler, 0, sizeof(pcx->filler));
//
// pack the image
//
pack = &pcx->data;
for (i = 0; i < width * height; i++)
if ((*data & 0xc0) != 0xc0)
*pack++ = *data++;
else
{
*pack++ = 0xc1;
*pack++ = *data++;
}
//
// write the palette
//
*pack++ = 0x0c; // palette ID byte
for (i = 0; i < 768; i++)
*pack++ = *palette++;
//
// write output file
//
length = pack - (byte *) pcx;
M_WriteFile(filename, pcx, length);
Z_Free(pcx);
}
//==============================================================================
/*
==================
=
= M_ScreenShot
=
==================
*/
void M_ScreenShot(void)
{
int i;
byte *linear;
char lbmname[12];
byte *pal;
#ifdef _WATCOMC_
extern byte *pcscreen;
#endif
//
// munge planar buffer to linear
//
#ifdef _WATCOMC_
linear = pcscreen;
#else
linear = screen;
#endif
//
// find a file name to save it to
//
strcpy(lbmname, "HEXEN00.pcx");
for (i = 0; i <= 99; i++)
{
lbmname[5] = i / 10 + '0';
lbmname[6] = i % 10 + '0';
if (access(lbmname, 0) == -1)
break; // file doesn't exist
}
if (i == 100)
I_Error("M_ScreenShot: Couldn't create a PCX");
//
// save the pcx file
//
#ifdef __WATCOMC__
pal = (byte *) Z_Malloc(768, PU_STATIC, NULL);
outp(0x3c7, 0);
for (i = 0; i < 768; i++)
{
*(pal + i) = inp(0x3c9) << 2;
}
#else
pal = (byte *) W_CacheLumpName("PLAYPAL", PU_CACHE);
#endif
WritePCXfile(lbmname, linear, SCREENWIDTH, SCREENHEIGHT, pal);
P_SetMessage(&players[consoleplayer], "SCREEN SHOT", false);
#ifdef __WATCOMC__
Z_Free(pal);
#endif
}