mirror of
https://github.com/UberGames/GtkRadiant.git
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103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant 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 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include <glib.h>
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#include "m8.h"
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void LoadM8( const char *name, unsigned char **pic, int *width, int *height ){
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// FILE *f;
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m8_header_t *m8_header;
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rgb_t *palette;
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int i, num_pixels, size;
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char text_buf[255] = { 0 };
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char *text_dot_pos;
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unsigned int length;
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unsigned char *palette_ent, *buf_temp;
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unsigned char *buffer, *m8_file_buffer;
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strcpy( text_buf, name );
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text_dot_pos = strchr( text_buf, '.' );
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if ( text_dot_pos ) {
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*text_dot_pos = 0;
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}
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// Fix for .pcx.m8 extention
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strcat( text_buf, ".pcx.m8" );
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// open file
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if ( ( length = vfsLoadFile( (char *) text_buf, (void **) &m8_file_buffer, 0 ) ) == (unsigned int) -1 ) {
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strcpy( text_buf, name );
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for ( i = ( strlen( text_buf ) - 1 ); i > 0; i-- )
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{
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if ( text_buf[i] == '.' ) {
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text_buf[i] = 0;
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break;
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}
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}
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strcat( text_buf, ".m8" );
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if ( ( length = vfsLoadFile( (char *) text_buf, (void **) &m8_file_buffer, 0 ) ) == (unsigned int) -1 ) {
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Sys_Printf( "Unable to open file %s\n",name );
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return;
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}
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}
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m8_header = (m8_header_t *)m8_file_buffer;
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// make sure we have a valid M8 file
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if ( m8_header->version != M8_VERSION ) {
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vfsFreeFile( m8_file_buffer );
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Sys_Printf( "Invalid M8 file %s\n", name );
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return;
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}
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// Get M8 Info
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*width = m8_header->width[0]; // Only interested in 1st MIP
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*height = m8_header->height[0];
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num_pixels = ( *width ) * ( *height );
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size = num_pixels * 4;
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// Allocate buffer
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buf_temp = (unsigned char *)( g_malloc( size ) );
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*pic = buf_temp;
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// Load Palette
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palette = m8_header->palette;
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// Image data
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buffer = m8_file_buffer + m8_header->offsets[0];
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// Load texture into buffer
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palette_ent = buffer;
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for ( i = 0; i < num_pixels; i++ )
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{
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*buf_temp++ = palette[*palette_ent].r;
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*buf_temp++ = palette[*palette_ent].g;
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*buf_temp++ = palette[*palette_ent].b;
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*buf_temp++ = 255; // No alpha
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palette_ent++;
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}
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Sys_Printf( "Loaded file %s\n",text_buf );
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vfsFreeFile( m8_file_buffer );
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}
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