ref: 52228a0b81e919879afdd23ae82794cdfe621f84
dir: /src/m_misc.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// 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.
//
//
// DESCRIPTION:
// Main loop menu stuff.
// Default Config File.
// PCX Screenshots.
//
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
// for mkdir:
#ifdef _WIN32
#include <io.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#endif
#include "config.h"
#include "deh_main.h"
#include "doomdef.h"
#include "doomfeatures.h"
#include "z_zone.h"
#include "m_menu.h"
#include "m_argv.h"
#include "net_client.h"
#include "w_wad.h"
#include "i_joystick.h"
#include "i_swap.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;
}
//
// Create a directory
//
void M_MakeDirectory(char *path)
{
#ifdef _WIN32
mkdir(path);
#else
mkdir(path, 0755);
#endif
}
// Check if a file exists
boolean M_FileExists(char *filename)
{
FILE *fstream;
fstream = fopen(filename, "r");
if (fstream != NULL)
{
fclose(fstream);
return true;
}
else
{
// If we can't open because the file is a directory, the
// "file" exists at least!
return errno == EISDIR;
}
}
//
// M_WriteFile
//
boolean M_WriteFile(char const *name, void *source, int length)
{
FILE *handle;
int count;
handle = fopen(name, "wb");
if (handle == NULL)
return false;
count = fwrite(source, 1, length, handle);
fclose(handle);
if (count < length)
return false;
return true;
}
//
// M_ReadFile
//
int M_ReadFile(char const *name, byte **buffer)
{
FILE *handle;
int count, length;
byte *buf;
handle = fopen(name, "rb");
if (handle == NULL)
I_Error ("Couldn't read file %s", name);
// find the size of the file by seeking to the end and
// reading the current position
fseek(handle, 0, SEEK_END);
length = ftell(handle);
fseek(handle, 0, SEEK_SET);
buf = Z_Malloc (length, PU_STATIC, NULL);
count = fread(buf, 1, length, handle);
fclose (handle);
if (count < length)
I_Error ("Couldn't read file %s", name);
*buffer = buf;
return length;
}
// Returns the path to a temporary file of the given name, stored
// inside the system temporary directory.
//
// The returned value must be freed with Z_Free after use.
char *M_TempFile(char *s)
{
char *result;
char *tempdir;
#ifdef _WIN32
// Check the TEMP environment variable to find the location.
tempdir = getenv("TEMP");
if (tempdir == NULL)
{
tempdir = ".";
}
#else
// In Unix, just use /tmp.
tempdir = "/tmp";
#endif
result = Z_Malloc(strlen(tempdir) + strlen(s) + 2, PU_STATIC, 0);
sprintf(result, "%s%c%s", tempdir, DIR_SEPARATOR, s);
return result;
}
//
// DEFAULTS
//
// Location where all configuration data is stored -
// default.cfg, savegames, etc.
char * configdir;
int usemouse = 1;
int usejoystick = 0;
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 mousebstrafeleft;
extern int mousebstraferight;
extern int mousebbackward;
extern int mousebuse;
extern int dclick_use;
extern int joybfire;
extern int joybstrafe;
extern int joybuse;
extern int joybspeed;
extern int joybstrafeleft;
extern int joybstraferight;
extern int viewwidth;
extern int viewheight;
extern int mouseSensitivity;
extern int showMessages;
// machine-independent sound params
extern int numChannels;
extern char* chat_macros[];
extern int show_endoom;
extern int vanilla_savegame_limit;
extern int vanilla_demo_limit;
extern int snd_musicdevice;
extern int snd_sfxdevice;
extern int snd_samplerate;
// controls whether to use libsamplerate for sample rate conversions
extern int use_libsamplerate;
// dos specific options: these are unused but should be maintained
// so that the config file can be shared between chocolate
// doom and doom.exe
static int snd_sbport = 0;
static int snd_sbirq = 0;
static int snd_sbdma = 0;
static int snd_mport = 0;
typedef enum
{
DEFAULT_INT,
DEFAULT_STRING,
DEFAULT_FLOAT,
DEFAULT_KEY,
} default_type_t;
typedef struct
{
// Name of the variable
char * name;
// Pointer to the location in memory of the variable
void * location;
// Type of the variable
default_type_t type;
// If this is a key value, the original integer scancode we read from
// the config file before translating it to the internal key value.
// If zero, we didn't read this value from a config file.
int untranslated;
// The value we translated the scancode into when we read the
// config file on startup. If the variable value is different from
// this, it has been changed and needs to be converted; otherwise,
// use the 'untranslated' value.
int original_translated;
} default_t;
typedef struct
{
default_t *defaults;
int numdefaults;
char *filename;
} default_collection_t;
static default_t doom_defaults_list[] =
{
{"mouse_sensitivity", &mouseSensitivity, DEFAULT_INT, 0, 0},
{"sfx_volume",&sfxVolume, DEFAULT_INT, 0, 0},
{"music_volume",&musicVolume, DEFAULT_INT, 0, 0},
{"show_messages",&showMessages, DEFAULT_INT, 0, 0},
{"key_right",&key_right, DEFAULT_KEY, 0, 0},
{"key_left",&key_left, DEFAULT_KEY, 0, 0},
{"key_up",&key_up, DEFAULT_KEY, 0, 0},
{"key_down",&key_down, DEFAULT_KEY, 0, 0},
{"key_strafeleft",&key_strafeleft, DEFAULT_KEY, 0, 0},
{"key_straferight",&key_straferight, DEFAULT_KEY, 0, 0},
{"key_fire",&key_fire, DEFAULT_KEY, 0, 0},
{"key_use",&key_use, DEFAULT_KEY, 0, 0},
{"key_strafe",&key_strafe, DEFAULT_KEY, 0, 0},
{"key_speed",&key_speed, DEFAULT_KEY, 0, 0},
{"use_mouse",&usemouse, DEFAULT_INT, 0, 0},
{"mouseb_fire",&mousebfire, DEFAULT_INT, 0, 0},
{"mouseb_strafe",&mousebstrafe, DEFAULT_INT, 0, 0},
{"mouseb_forward",&mousebforward, DEFAULT_INT, 0, 0},
{"use_joystick",&usejoystick, DEFAULT_INT, 0, 0},
{"joyb_fire",&joybfire, DEFAULT_INT, 0, 0},
{"joyb_strafe",&joybstrafe, DEFAULT_INT, 0, 0},
{"joyb_use",&joybuse, DEFAULT_INT, 0, 0},
{"joyb_speed",&joybspeed, DEFAULT_INT, 0, 0},
{"screenblocks",&screenblocks, DEFAULT_INT, 0, 0},
{"detaillevel",&detailLevel, DEFAULT_INT, 0, 0},
{"snd_channels",&numChannels, DEFAULT_INT, 0, 0},
{"snd_musicdevice", &snd_musicdevice, DEFAULT_INT, 0, 0},
{"snd_sfxdevice", &snd_sfxdevice, DEFAULT_INT, 0, 0},
{"snd_sbport", &snd_sbport, DEFAULT_INT, 0, 0},
{"snd_sbirq", &snd_sbirq, DEFAULT_INT, 0, 0},
{"snd_sbdma", &snd_sbdma, DEFAULT_INT, 0, 0},
{"snd_mport", &snd_mport, DEFAULT_INT, 0, 0},
{"usegamma", &usegamma, DEFAULT_INT, 0, 0},
{"chatmacro0", &chat_macros[0], DEFAULT_STRING, 0, 0 },
{"chatmacro1", &chat_macros[1], DEFAULT_STRING, 0, 0 },
{"chatmacro2", &chat_macros[2], DEFAULT_STRING, 0, 0 },
{"chatmacro3", &chat_macros[3], DEFAULT_STRING, 0, 0 },
{"chatmacro4", &chat_macros[4], DEFAULT_STRING, 0, 0 },
{"chatmacro5", &chat_macros[5], DEFAULT_STRING, 0, 0 },
{"chatmacro6", &chat_macros[6], DEFAULT_STRING, 0, 0 },
{"chatmacro7", &chat_macros[7], DEFAULT_STRING, 0, 0 },
{"chatmacro8", &chat_macros[8], DEFAULT_STRING, 0, 0 },
{"chatmacro9", &chat_macros[9], DEFAULT_STRING, 0, 0 },
};
static default_collection_t doom_defaults =
{
doom_defaults_list,
arrlen(doom_defaults_list),
NULL,
};
static default_t extra_defaults_list[] =
{
{"autoadjust_video_settings", &autoadjust_video_settings, DEFAULT_INT, 0, 0},
{"fullscreen", &fullscreen, DEFAULT_INT, 0, 0},
{"aspect_ratio_correct", &aspect_ratio_correct, DEFAULT_INT, 0, 0},
{"startup_delay", &startup_delay, DEFAULT_INT, 0, 0},
{"screen_width", &screen_width, DEFAULT_INT, 0, 0},
{"screen_height", &screen_height, DEFAULT_INT, 0, 0},
{"grabmouse", &grabmouse, DEFAULT_INT, 0, 0},
{"novert", &novert, DEFAULT_INT, 0, 0},
{"mouse_acceleration", &mouse_acceleration, DEFAULT_FLOAT, 0, 0},
{"mouse_threshold", &mouse_threshold, DEFAULT_INT, 0, 0},
{"snd_samplerate", &snd_samplerate, DEFAULT_INT, 0, 0},
{"show_endoom", &show_endoom, DEFAULT_INT, 0, 0},
{"vanilla_savegame_limit", &vanilla_savegame_limit, DEFAULT_INT, 0, 0},
{"vanilla_demo_limit", &vanilla_demo_limit, DEFAULT_INT, 0, 0},
{"vanilla_keyboard_mapping", &vanilla_keyboard_mapping, DEFAULT_INT, 0, 0},
{"video_driver", &video_driver, DEFAULT_STRING, 0, 0},
#ifdef FEATURE_MULTIPLAYER
{"player_name", &net_player_name, DEFAULT_STRING, 0, 0},
#endif
{"joystick_index", &joystick_index, DEFAULT_INT, 0, 0},
{"joystick_x_axis", &joystick_x_axis, DEFAULT_INT, 0, 0},
{"joystick_x_invert", &joystick_x_invert, DEFAULT_INT, 0, 0},
{"joystick_y_axis", &joystick_y_axis, DEFAULT_INT, 0, 0},
{"joystick_y_invert", &joystick_y_invert, DEFAULT_INT, 0, 0},
{"joyb_strafeleft", &joybstrafeleft, DEFAULT_INT, 0, 0},
{"joyb_straferight", &joybstraferight, DEFAULT_INT, 0, 0},
{"mouseb_strafeleft", &mousebstrafeleft, DEFAULT_INT, 0, 0},
{"mouseb_straferight", &mousebstraferight, DEFAULT_INT, 0, 0},
{"mouseb_use", &mousebuse, DEFAULT_INT, 0, 0},
{"mouseb_backward", &mousebbackward, DEFAULT_INT, 0, 0},
{"dclick_use", &dclick_use, DEFAULT_INT, 0, 0},
{"use_libsamplerate", &use_libsamplerate, DEFAULT_INT, 0, 0},
};
static default_collection_t extra_defaults =
{
extra_defaults_list,
arrlen(extra_defaults_list),
NULL,
};
static const 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,
KEY_UPARROW,KEY_PGUP,KEY_MINUS,KEY_LEFTARROW,KEYP_5,KEY_RIGHTARROW,KEYP_PLUS,KEY_END,
KEY_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
};
static void SaveDefaultCollection(default_collection_t *collection)
{
default_t *defaults;
int i, v;
FILE *f;
f = fopen (collection->filename, "w");
if (!f)
return; // can't write the file, but don't complain
defaults = collection->defaults;
for (i=0 ; i<collection->numdefaults ; i++)
{
int chars_written;
// Print the name and line up all values at 30 characters
chars_written = fprintf(f, "%s ", defaults[i].name);
for (; chars_written < 30; ++chars_written)
fprintf(f, " ");
// Print the value
switch (defaults[i].type)
{
case DEFAULT_KEY:
// use the untranslated version if we can, to reduce
// the possibility of screwing up the user's config
// file
v = * (int *) defaults[i].location;
if (defaults[i].untranslated
&& v == defaults[i].original_translated)
{
// Has not been changed since the last time we
// read the config file.
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, "%i", v);
break;
case DEFAULT_INT:
fprintf(f, "%i", * (int *) defaults[i].location);
break;
case DEFAULT_FLOAT:
fprintf(f, "%f", * (float *) defaults[i].location);
break;
case DEFAULT_STRING:
fprintf(f,"\"%s\"", * (char **) (defaults[i].location));
break;
}
fprintf(f, "\n");
}
fclose (f);
}
// Parses integer values in the configuration file
static int ParseIntParameter(char *strparm)
{
int parm;
if (strparm[0] == '0' && strparm[1] == 'x')
sscanf(strparm+2, "%x", &parm);
else
sscanf(strparm, "%i", &parm);
return parm;
}
static void LoadDefaultCollection(default_collection_t *collection)
{
default_t *defaults = collection->defaults;
int i;
FILE* f;
char defname[80];
char strparm[100];
// read the file in, overriding any set defaults
f = fopen(collection->filename, "r");
if (!f)
{
// File not opened, but don't complain
return;
}
while (!feof(f))
{
if (fscanf (f, "%79s %[^\n]\n", defname, strparm) != 2)
{
// This line doesn't match
continue;
}
// Strip off trailing non-printable characters (\r characters
// from DOS text files)
while (strlen(strparm) > 0 && !isprint(strparm[strlen(strparm)-1]))
{
strparm[strlen(strparm)-1] = '\0';
}
// Find the setting in the list
for (i=0; i<collection->numdefaults; ++i)
{
default_t *def = &collection->defaults[i];
char *s;
int intparm;
if (strcmp(defname, def->name) != 0)
{
// not this one
continue;
}
// parameter found
switch (def->type)
{
case DEFAULT_STRING:
s = strdup(strparm + 1);
s[strlen(s) - 1] = '\0';
* (char **) def->location = s;
break;
case DEFAULT_INT:
* (int *) def->location = ParseIntParameter(strparm);
break;
case DEFAULT_KEY:
// translate scancodes read from config
// file (save the old value in untranslated)
intparm = ParseIntParameter(strparm);
defaults[i].untranslated = intparm;
intparm = scantokey[intparm];
defaults[i].original_translated = intparm;
* (int *) def->location = intparm;
break;
case DEFAULT_FLOAT:
* (float *) def->location = atof(strparm);
break;
}
// finish
break;
}
}
fclose (f);
}
//
// M_SaveDefaults
//
void M_SaveDefaults (void)
{
SaveDefaultCollection(&doom_defaults);
SaveDefaultCollection(&extra_defaults);
}
//
// M_LoadDefaults
//
void M_LoadDefaults (void)
{
int i;
// check for a custom default file
//!
// @arg <file>
// @vanilla
//
// Load configuration from the specified file, instead of
// default.cfg.
//
i = M_CheckParm ("-config");
if (i && i<myargc-1)
{
doom_defaults.filename = myargv[i+1];
printf (" default file: %s\n",doom_defaults.filename);
}
else
{
doom_defaults.filename = malloc(strlen(configdir) + 20);
sprintf(doom_defaults.filename, "%sdefault.cfg", configdir);
}
printf("saving config in %s\n", doom_defaults.filename);
//!
// @arg <file>
//
// Load extra configuration from the specified file, instead
// of chocolate-doom.cfg.
//
i = M_CheckParm("-extraconfig");
if (i && i<myargc-1)
{
extra_defaults.filename = myargv[i+1];
printf(" extra configuration file: %s\n",
extra_defaults.filename);
}
else
{
extra_defaults.filename
= malloc(strlen(configdir) + strlen(PACKAGE_TARNAME) + 10);
sprintf(extra_defaults.filename, "%s%s.cfg",
configdir, PACKAGE_TARNAME);
}
LoadDefaultCollection(&doom_defaults);
LoadDefaultCollection(&extra_defaults);
}
//
// SetConfigDir:
//
// Sets the location of the configuration directory, where configuration
// files are stored - default.cfg, chocolate-doom.cfg, savegames, etc.
//
void M_SetConfigDir(void)
{
#ifndef _WIN32
// Ignore the HOME environment variable on Windows - just behave
// like Vanilla Doom.
char *homedir;
homedir = getenv("HOME");
if (homedir != NULL)
{
// put all configuration in a config directory off the
// homedir
configdir = malloc(strlen(homedir) + strlen(PACKAGE_TARNAME) + 5);
sprintf(configdir, "%s%c.%s%c", homedir, DIR_SEPARATOR,
PACKAGE_TARNAME, DIR_SEPARATOR);
// make the directory if it doesnt already exist
M_MakeDirectory(configdir);
}
else
#endif /* #ifndef _WIN32 */
{
#ifdef _WIN32
//!
// @platform windows
// @vanilla
//
// Save configuration data and savegames in c:\doomdata,
// allowing play from CD.
//
if (M_CheckParm("-cdrom") > 0)
{
printf(D_CDROM);
configdir = strdup("c:\\doomdata\\");
M_MakeDirectory(configdir);
}
else
#endif
{
configdir = strdup("");
}
}
}
//
// 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
} PACKEDATTR 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 (!M_FileExists(lbmname))
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 (DEH_String("PLAYPAL"),PU_CACHE));
players[consoleplayer].message = DEH_String("screen shot");
}