gtkradiant/plugins/imagewal/wal.cpp
TTimo a06f65b042 apply patch from Martin Gerhardy - more quake2 related modules compiled and misc fixes
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@195 8a3a26a2-13c4-0310-b231-cf6edde360e5
2008-02-18 20:54:58 +00:00

93 lines
2.6 KiB
C++

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include "wal.h"
#include "q2_palette.h"
#define Sys_Printf g_FuncTable.m_pfnSysPrintf
void LoadWAL(const char *name, unsigned char **pic, int *width, int *height)
{
FILE *f;
miptex_t *wal_header;
rgb_t *palette;
int i, num_pixels, size;
char text_buf[255];
unsigned int length;
unsigned char *palette_ent, *buf_temp;
unsigned char *buffer, *wal_file_buffer;
// open file
if ( length = vfsLoadFile ((char *) name, (void **) &wal_file_buffer, 0) == (unsigned int) -1)
{
Sys_Printf("Unable to open file %s\n",name);
return;
}
wal_header = (miptex_t *)wal_file_buffer;
// make sure we have a valid bitmap file
if ( wal_header->width & 15)
{
vfsFreeFile(wal_file_buffer);
Sys_Printf("Invalid WAL file %s: Width not multiple of 16!\n", name);
return;
}
if ( wal_header->height & 15)
{
vfsFreeFile(wal_file_buffer);
Sys_Printf("Invalid WAL file %s: Height not multiple of 16!\n", name);
return;
}
// Get WAL Info
*width = wal_header->width; // Only interested in 1st MIP
*height = wal_header->height;
num_pixels = (*width) * (*height);
size = num_pixels*4;
// Allocate buffer
buf_temp = (unsigned char *)(g_malloc(size));
*pic = buf_temp;
// Image data
buffer = wal_file_buffer + wal_header->offsets[0];
// Load texture into buffer
palette_ent = buffer;
for(i=0; i<num_pixels; i++)
{
*buf_temp++ = quake2_palette[*palette_ent][0];
*buf_temp++ = quake2_palette[*palette_ent][1];
*buf_temp++ = quake2_palette[*palette_ent][2];
*buf_temp++ = 255; // No alpha
palette_ent++;
}
vfsFreeFile(wal_file_buffer);
}