ref: c47c4ce0f7fa832f3aabe2ebb3bd5de45d93651a
dir: /src/m_misc.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: m_misc.c 39 2005-08-04 21:48:32Z fraggle $
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// 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.
//
//
// $Log$
// Revision 1.6 2005/08/04 21:48:32 fraggle
// Turn on compiler optimisation and warning options
// Add SDL_mixer sound code
//
// Revision 1.5 2005/08/04 18:42:15 fraggle
// Silence compiler warnings
//
// Revision 1.4 2005/07/24 02:14:04 fraggle
// Move to SDL for graphics.
// Translate key scancodes to correct internal format when reading
// settings from config file - backwards compatible with config files
// for original exes
//
// Revision 1.3 2005/07/23 19:17:11 fraggle
// Use ANSI-standard limit constants. Remove LINUX define.
//
// Revision 1.2 2005/07/23 16:44:55 fraggle
// Update copyright to GNU GPL
//
// Revision 1.1.1.1 2005/07/23 16:19:53 fraggle
// Initial import
//
//
// DESCRIPTION:
// Main loop menu stuff.
// Default Config File.
// PCX Screenshots.
//
//-----------------------------------------------------------------------------
static const char
rcsid[] = "$Id: m_misc.c 39 2005-08-04 21:48:32Z fraggle $";
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#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
//
#ifndef O_BINARY
#define O_BINARY 0
#endif
boolean
M_WriteFile
( char const* name,
void* source,
int length )
{
int handle;
int 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
//
int
M_ReadFile
( char const* name,
byte** buffer )
{
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;
buf = Z_Malloc (length, PU_STATIC, NULL);
count = read (handle, buf, length);
close (handle);
if (count < length)
I_Error ("Couldn't read file %s", name);
*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;
int scantranslate; // translate this value to a scancode
int untranslated;
} 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, 1},
{"key_left",&key_left, KEY_LEFTARROW, 1},
{"key_up",&key_up, KEY_UPARROW, 1},
{"key_down",&key_down, KEY_DOWNARROW, 1},
{"key_strafeleft",&key_strafeleft, ',', 1},
{"key_straferight",&key_straferight, '.', 1},
{"key_fire",&key_fire, KEY_RCTRL, 1},
{"key_use",&key_use, ' ', 1},
{"key_strafe",&key_strafe, KEY_RALT, 1},
{"key_speed",&key_speed, KEY_RSHIFT, 1},
{"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], (int) HUSTR_CHATMACRO0 },
{"chatmacro1", &chat_macros[1], (int) HUSTR_CHATMACRO1 },
{"chatmacro2", &chat_macros[2], (int) HUSTR_CHATMACRO2 },
{"chatmacro3", &chat_macros[3], (int) HUSTR_CHATMACRO3 },
{"chatmacro4", &chat_macros[4], (int) HUSTR_CHATMACRO4 },
{"chatmacro5", &chat_macros[5], (int) HUSTR_CHATMACRO5 },
{"chatmacro6", &chat_macros[6], (int) HUSTR_CHATMACRO6 },
{"chatmacro7", &chat_macros[7], (int) HUSTR_CHATMACRO7 },
{"chatmacro8", &chat_macros[8], (int) HUSTR_CHATMACRO8 },
{"chatmacro9", &chat_macros[9], (int) HUSTR_CHATMACRO9 }
};
int numdefaults;
char* defaultfile;
static int scantokey[128] =
{
0 , 27, '1', '2', '3', '4', '5', '6',
'7', '8', '9', '0', '-', '=', KEY_BACKSPACE, 9,
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i',
'o', 'p', '[', ']', 13, KEY_RCTRL, 'a', 's',
'd', 'f', 'g', 'h', 'j', 'k', 'l', ';',
'\'', '`', KEY_RSHIFT,'\\', 'z', 'x', 'c', 'v',
'b', 'n', 'm', ',', '.', '/', KEY_RSHIFT,KEYP_MULTIPLY,
KEY_RALT, ' ', KEY_CAPSLOCK,KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5,
KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_PAUSE,KEY_SCRLCK,KEY_HOME,
KEYP_UPARROW,KEY_PGUP,KEYP_MINUS,KEYP_LEFTARROW,KEYP_5,KEYP_RIGHTARROW,KEYP_PLUS,KEY_END,
KEYP_DOWNARROW,KEY_PGDN,KEY_INS,KEY_DEL,0, 0, 0, KEY_F11,
KEY_F12, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
//
// M_SaveDefaults
//
void M_SaveDefaults (void)
{
int i;
int 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++)
{
if (defaults[i].defaultvalue > -0xfff
&& defaults[i].defaultvalue < 0xfff)
{
v = *((int *)defaults[i].location);
// translate keys back to scancodes
if (defaults[i].scantranslate)
{
// use the untranslated version if we can, to reduce
// the possibility of screwing up the user's config
// file
if (defaults[i].untranslated)
{
v = defaults[i].untranslated;
}
else
{
// search for a reverse mapping back to a scancode
// in the scantokey table
int s;
for (s=0; s<128; ++s)
{
if (scantokey[s] == v)
{
v = s;
break;
}
}
}
}
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
//
void M_LoadDefaults (void)
{
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++)
{
*((int *) defaults[i].location) = defaults[i].defaultvalue;
defaults[i].untranslated = 0;
}
// check for a custom default file
i = M_CheckParm ("-config");
if (i && i<myargc-1)
{
defaultfile = myargv[i+1];
printf (" default file: %s\n",defaultfile);
}
else
defaultfile = basedefault;
// read the file in, overriding any set defaults
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);
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].scantranslate)
{
// translate scancodes read from config
// file (save the old value in untranslated)
defaults[i].untranslated = parm;
parm = scantokey[parm];
}
if (!isstring)
*((int *) defaults[i].location) = parm;
else
*((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 (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
WritePCXfile (lbmname, linear,
SCREENWIDTH, SCREENHEIGHT,
W_CacheLumpName ("PLAYPAL",PU_CACHE));
players[consoleplayer].message = "screen shot";
}