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128 lines
2.8 KiB
128 lines
2.8 KiB
5 years ago
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/*
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texture.c - texture writer
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Copyright (C) 2020 Andrey Akhmichin
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "const.h"
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#include "crtlib.h"
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#include "studio.h"
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#include "img_bmp.h"
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#include "mdldec.h"
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#include "texture.h"
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/*
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============
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WriteBMP
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============
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*/
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static void WriteBMP( mstudiotexture_t *texture )
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{
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int i;
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FILE *fp;
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const byte *p;
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byte *palette, *pic, *buf;
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char filename[MAX_SYSPATH], texturename[64];
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rgba_t rgba_palette[256];
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bmp_t bmp_hdr = {0,};
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size_t texture_size, len;
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COM_FileBase( texture->name, texturename );
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len = Q_snprintf( filename, MAX_SYSPATH, "%s%s.bmp", destdir, texturename );
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if( len >= MAX_SYSPATH )
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{
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fprintf( stderr, "ERROR: Destination path is too long. Can't write %s.bmp\n", texturename );
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return;
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}
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fp = fopen( filename, "wb" );
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if( !fp )
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{
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fprintf( stderr, "ERROR: Can't write texture file %s\n", filename );
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return;
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}
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texture_size = texture->height * texture->width;
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pic = (byte *)texture_hdr + texture->index;
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palette = pic + texture_size;
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bmp_hdr.id[0] = 'B';
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bmp_hdr.id[1] = 'M';
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bmp_hdr.width = texture->width;
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bmp_hdr.height = texture->height;
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bmp_hdr.planes = 1;
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bmp_hdr.bitsPerPixel = 8;
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bmp_hdr.bitmapDataSize = texture_size;
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bmp_hdr.colors = 256;
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bmp_hdr.fileSize = sizeof( bmp_hdr ) + texture_size + sizeof( rgba_palette );
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bmp_hdr.bitmapDataOffset = sizeof( bmp_hdr ) + sizeof( rgba_palette );
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bmp_hdr.bitmapHeaderSize = BI_SIZE;
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fwrite( &bmp_hdr, sizeof( bmp_hdr ), 1, fp );
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p = palette;
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for( i = 0; i < (int)bmp_hdr.colors; i++ )
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{
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rgba_palette[i][2] = *p++;
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rgba_palette[i][1] = *p++;
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rgba_palette[i][0] = *p++;
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rgba_palette[i][3] = 0;
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}
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fwrite( rgba_palette, sizeof( rgba_palette ), 1, fp );
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buf = malloc( texture_size );
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p = pic;
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p += ( bmp_hdr.height - 1 ) * bmp_hdr.width;
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for( i = 0; i < bmp_hdr.height; i++ )
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{
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memcpy( buf + bmp_hdr.width * i, p, bmp_hdr.width );
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p -= bmp_hdr.width;
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}
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fwrite( buf, texture_size, 1, fp );
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fclose( fp );
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free( buf );
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printf( "Texture: %s\n", filename );
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}
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/*
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============
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WriteTextures
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============
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*/
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void WriteTextures( void )
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{
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int i;
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mstudiotexture_t *texture;
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for( i = 0; i < texture_hdr->numtextures; i++ )
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{
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texture = (mstudiotexture_t *)( (byte *)texture_hdr + texture_hdr->textureindex ) + i;
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WriteBMP( texture );
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}
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}
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