ref: f99b9cae6a3dc5775a83b264d6041be8d5d416d6
dir: /sys/src/games/doom/m_misc.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
//
// $Log:$
//
// DESCRIPTION:
// Main loop menu stuff.
// Default Config File.
// PCX Screenshots.
//
//-----------------------------------------------------------------------------
static const char
rcsid[] = "$Id: m_misc.c,v 1.6 1997/02/03 22:45:10 b1 Exp $";
#include "doomdef.h"
#include "z_zone.h"
#include "m_swap.h"
#include "m_argv.h"
#include "w_wad.h"
#include "i_system.h"
#include "i_video.h"
#include "v_video.h"
#include "hu_stuff.h"
// State.
#include "doomstat.h"
// Data.
#include "dstrings.h"
#include "m_misc.h"
//
// M_DrawText
// Returns the final X coordinate
// HU_Init must have been called to init the font
//
extern patch_t* hu_font[HU_FONTSIZE];
int
M_DrawText
( int x,
int y,
boolean direct,
char* string )
{
int c;
int w;
while (*string)
{
c = toupper(*string) - HU_FONTSTART;
string++;
if (c < 0 || c> HU_FONTSIZE)
{
x += 4;
continue;
}
w = SHORT (hu_font[c]->width);
if (x+w > SCREENWIDTH)
break;
if (direct)
V_DrawPatchDirect(x, y, 0, hu_font[c]);
else
V_DrawPatch(x, y, 0, hu_font[c]);
x+=w;
}
return x;
}
//
// M_WriteFile
//
boolean
M_WriteFile
( char const* name,
void* source,
int length )
{
int fd, n;
if((fd = create(name, OWRITE, 0644)) < 0)
return false;
n = write(fd, source, length);
close(fd);
return n == length;
}
//
// M_ReadFile
//
int
M_ReadFile
( char const* name,
byte** buffer )
{
int fd, length;
Dir *d;
byte *buf;
if((fd = open(name, OREAD)) < 0)
I_Error ("Couldn't open file %s", name);
if((d = dirfstat(fd)) == nil)
I_Error ("Couldn't stat file %s", name);
length = d->length;
free(d);
buf = Z_Malloc(length, PU_STATIC, NULL);
if(readn(fd, buf, length) != length)
I_Error ("Couldn't read file %s", name);
close(fd);
*buffer = buf;
return length;
}
//
// DEFAULTS
//
int usemouse;
int usejoystick;
extern int key_right;
extern int key_left;
extern int key_up;
extern int key_down;
extern int key_strafeleft;
extern int key_straferight;
extern int key_fire;
extern int key_use;
extern int key_strafe;
extern int key_speed;
extern int mousebfire;
extern int mousebstrafe;
extern int mousebforward;
extern int joybfire;
extern int joybstrafe;
extern int joybuse;
extern int joybspeed;
extern int viewwidth;
extern int viewheight;
extern int mouseSensitivity;
extern int showMessages;
extern int detailLevel;
extern int screenblocks;
extern int showMessages;
// machine-independent sound params
extern int numChannels;
extern char* chat_macros[];
typedef struct
{
char* name;
void* location;
int defaultvalue;
char* defaultstring;
} default_t;
default_t defaults[] =
{
{"mouse_sensitivity",&mouseSensitivity, 5},
{"sfx_volume",&snd_SfxVolume, 8},
{"music_volume",&snd_MusicVolume, 8},
{"show_messages",&showMessages, 1},
{"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_fire",&key_fire, KEY_RCTRL},
{"key_use",&key_use, ' '},
{"key_strafe",&key_strafe, KEY_RALT},
{"key_speed",&key_speed, KEY_RSHIFT},
{"use_mouse",&usemouse, 1},
{"mouseb_fire",&mousebfire,0},
{"mouseb_strafe",&mousebstrafe,1},
{"mouseb_forward",&mousebforward,2},
{"use_joystick",&usejoystick, 0},
{"joyb_fire",&joybfire,0},
{"joyb_strafe",&joybstrafe,1},
{"joyb_use",&joybuse,3},
{"joyb_speed",&joybspeed,2},
{"screenblocks",&screenblocks, 9},
{"detaillevel",&detailLevel, 0},
{"snd_channels",&numChannels, 3},
{"usegamma",&usegamma, 0},
{"chatmacro0",&chat_macros[0], 0, HUSTR_CHATMACRO0 },
{"chatmacro1",&chat_macros[1], 0, HUSTR_CHATMACRO1 },
{"chatmacro2",&chat_macros[2], 0, HUSTR_CHATMACRO2 },
{"chatmacro3",&chat_macros[3], 0, HUSTR_CHATMACRO3 },
{"chatmacro4",&chat_macros[4], 0, HUSTR_CHATMACRO4 },
{"chatmacro5",&chat_macros[5], 0, HUSTR_CHATMACRO5 },
{"chatmacro6",&chat_macros[6], 0, HUSTR_CHATMACRO6 },
{"chatmacro7",&chat_macros[7], 0, HUSTR_CHATMACRO7 },
{"chatmacro8",&chat_macros[8], 0, HUSTR_CHATMACRO8 },
{"chatmacro9",&chat_macros[9], 0, HUSTR_CHATMACRO9 }
};
int numdefaults;
char* defaultfile;
//
// M_SaveDefaults
//
void M_SaveDefaults (void)
{
int i;
FILE* f;
f = fopen (defaultfile, "w");
if (!f)
return; // can't write the file, but don't complain
for (i=0 ; i<numdefaults ; i++)
{
if (defaults[i].defaultstring == 0)
{
fprintf (f,"%s\t\t%i\n",defaults[i].name,
*((int*)defaults[i].location));
} else {
fprintf (f,"%s\t\t\"%s\"\n",defaults[i].name,
*((char**)defaults[i].location));
}
}
fclose (f);
}
//
// M_LoadDefaults
//
void M_LoadDefaults (void)
{
int i;
int len;
FILE* f;
char def[80];
char strparm[100];
char* newstring;
int parm;
// set everything to base values
numdefaults = sizeof(defaults)/sizeof(defaults[0]);
for (i=0 ; i<numdefaults ; i++)
if(defaults[i].defaultstring == 0)
*((int*)defaults[i].location) = defaults[i].defaultvalue;
else
*((char**)defaults[i].location) = defaults[i].defaultstring;
// check for a custom default file
i = M_CheckParm ("-config");
if (i && i<myargc-1)
defaultfile = myargv[i+1];
else
defaultfile = basedefault;
printf (" default file: %s\n",defaultfile);
// read the file in, overriding any set defaults
f = fopen (defaultfile, "r");
if (f)
{
while (!feof(f))
{
if (fscanf (f, "%79s %[^\n]\n", def, strparm) == 2)
{
parm = 0;
newstring = 0;
if (strparm[0] == '"')
{
// get a string default
len = strlen(strparm);
newstring = (char *) malloc(len);
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 (defaults[i].defaultstring == 0)
*((int*)defaults[i].location) = parm;
else if(newstring)
*((char**)defaults[i].location) = newstring;
break;
}
}
}
fclose (f);
}
}
//
// SCREEN SHOTS
//
typedef struct
{
char manufacturer;
char version;
char encoding;
char bits_per_pixel;
unsigned short xmin;
unsigned short ymin;
unsigned short xmax;
unsigned short ymax;
unsigned short hres;
unsigned short 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;
int 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];
// munge planar buffer to linear
linear = screens[2];
I_ReadScreen (linear);
// find a file name to save it to
strcpy(lbmname,"DOOM00.pcx");
for (i=0 ; i<=99 ; i++)
{
lbmname[4] = i/10 + '0';
lbmname[5] = i%10 + '0';
if (!I_FileExists (lbmname))
break;
}
if (i==100)
I_Error ("M_ScreenShot: Couldn't create a PCX");
// save the pcx file
WritePCXfile (lbmname, linear,
SCREENWIDTH, SCREENHEIGHT,
W_CacheLumpName ("PLAYPAL",PU_CACHE));
players[consoleplayer].message = "screen shot";
}