halflife-thewastes-sdk/utils/xwad/xwad.c
1999-04-07 00:00:00 +00:00

157 lines
No EOL
3.5 KiB
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
//#include <sys/file.h>
#include <stdarg.h>
#include "cmdlib.h"
#include "wadlib.h"
// #include "csg.h"
#include "lbmlib.h"
#include "mathlib.h"
#include "bspfile.h"
#define MAXLUMP (640*480*85/64)
byte inbuffer[MAXLUMP];
byte outbuffer[(640+320)*480];
extern FILE *wadhandle;
int main (int argc, char **argv)
{
int i, j;
miptex_t *qtex;
int t;
int width, height;
int width2;
byte *psrc, *pdest;
char filename[1024];
if (argc < 2) {
printf("%s <wadfile> [image names]\n", argv[0] );
exit(1);
}
W_OpenWad( argv[1] );
for (i = 0; i < numlumps; i++) {
for (j = 2; j < argc; j++) {
if (stricmp( lumpinfo[i].name, argv[j] ) == 0)
break;
}
if (argc == 2 || j < argc) {
printf("extracting %s @ %d size %d\n", lumpinfo[i].name, lumpinfo[i].filepos, lumpinfo[i].size );
fseek( wadhandle, lumpinfo[i].filepos, SEEK_SET );
SafeRead ( wadhandle, inbuffer, lumpinfo[i].size );
qtex = (miptex_t *)inbuffer;
width = LittleLong(qtex->width);
height = LittleLong(qtex->height);
// make a composite image
width2 = width + width / 2;
memset( outbuffer, 0, height * width2 );
// copy in 0 image
psrc = inbuffer + LittleLong( qtex->offsets[0] );
pdest = outbuffer;
for (t = 0; t < height; t++) {
memcpy( pdest + t * width2, psrc + t * width, width );
}
// copy in 1 image
psrc = inbuffer + LittleLong( qtex->offsets[1] );
pdest = outbuffer + width;
for (t = 0; t < height / 2; t++) {
memcpy( pdest + t * width2, psrc + t * width / 2, width / 2);
}
// copy in 2 image
psrc = inbuffer + LittleLong( qtex->offsets[2] );
pdest = outbuffer + (height / 2 ) * width2 + width;
for (t = 0; t < height / 4; t++) {
memcpy( pdest + t * width2, psrc + t * width / 4, width / 4);
}
// copy in 3 image
psrc = inbuffer + LittleLong( qtex->offsets[3] );
pdest = outbuffer + (height / 2 ) * width2 + width + width / 4;
for (t = 0; t < height / 8; t++) {
memcpy( pdest + t * width2, psrc + t * width / 8, width / 8);
}
sprintf( filename, "%s.bmp", qtex->name );
WriteBMPfile( filename, outbuffer, width2, height, inbuffer + LittleLong( qtex->offsets[3] ) + width * height / 64 + 2 );
}
}
return 0;
}
/*
qtex = (miptex_t *)lump_p;
qtex->width = LittleLong(w);
qtex->height = LittleLong(h);
strcpy (qtex->name, lumpname);
lump_p = (byte *)&qtex->offsets[4];
screen_p = byteimage + yl*byteimagewidth + xl;
linedelta = byteimagewidth - w;
source = lump_p;
qtex->offsets[0] = LittleLong(lump_p - (byte *)qtex);
for (y=yl ; y<yh ; y++)
{
for (x=xl ; x<xh ; x++)
{
pix = *screen_p;
*screen_p++ = 0;
// if (pix == 255)
// pix = 0;
*lump_p++ = pix;
}
screen_p += linedelta;
}
//
// subsample for greater mip levels
//
d_red = d_green = d_blue = 0; // no distortion yet
for (miplevel = 1 ; miplevel<4 ; miplevel++)
{
qtex->offsets[miplevel] = LittleLong(lump_p - (byte *)qtex);
mipstep = 1<<miplevel;
for (y=0 ; y<h ; y+=mipstep)
{
for (x = 0 ; x<w ; x+= mipstep)
{
count = 0;
for (yy=0 ; yy<mipstep ; yy++)
for (xx=0 ; xx<mipstep ; xx++)
{
pixdata[count] = source[ (y+yy)*w + x + xx ];
count++;
}
*lump_p++ = AveragePixels (count);
}
}
}
if( do16bit )
GrabPalette16();
*/