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