Source to src/m_misc.c
//**************************************************************************
//**
//** m_misc.c : Heretic 2 : Raven Software, Corp.
//**
//** $RCSfile: m_misc.c,v $
//** $Revision: 1.18 $
//** $Date: 96/01/07 16:51:18 $
//** $Author: bgokey $
//**
//**************************************************************************
// HEADER FILES ------------------------------------------------------------
#ifdef __NeXT__
#include <libc.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#include <direct.h>
#include <fcntl.h>
#include <stdlib.h>
#include <io.h>
#include <conio.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 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] = MININT;
box[BOXBOTTOM] = box[BOXLEFT] = MAXINT;
}
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 },
#ifdef __NeXT__
#define DEFAULT_SAVEPATH "hexndata/"
#endif
#ifdef __WATCOMC__
#define DEFAULT_SAVEPATH "hexndata\\"
#endif
{ "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
}