161 lines
3.3 KiB
C++
161 lines
3.3 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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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 "mdlimage.h"
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#include <math.h>
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#include <stdlib.h>
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#include "ifilesystem.h"
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#include "bytestreamutils.h"
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#include "stream/textstream.h"
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#include "imagelib.h"
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#include "mdlformat.h"
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#include "ident.h"
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unsigned char mdl_palette[768];
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/*
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==============
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Texture_InitPalette
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==============
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*/
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void Texture_InitPalette (byte *pal)
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{
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int r,g,b;
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int i;
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int inf;
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byte gammatable[256];
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double gamma;
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gamma = 1.0;//g_qeglobals.d_savedinfo.fGamma;
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if (gamma == 1.0)
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{
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for (i=0 ; i<256 ; i++)
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gammatable[i] = i;
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} else
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{
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for (i=0 ; i<256 ; i++)
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{
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inf = (int)(255 * pow ( (i+0.5)/255.5 , gamma ) + 0.5);
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if (inf < 0)
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inf = 0;
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if (inf > 255)
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inf = 255;
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gammatable[i] = inf;
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}
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}
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for (i=0 ; i<256 ; i++)
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{
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r = gammatable[pal[0]];
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g = gammatable[pal[1]];
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b = gammatable[pal[2]];
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pal += 3;
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//v = (r<<24) + (g<<16) + (b<<8) + 255;
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//v = BigLong (v);
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//mdl_palette[i] = v;
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mdl_palette[i*3+0] = r;
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mdl_palette[i*3+1] = g;
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mdl_palette[i*3+2] = b;
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}
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}
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bool LoadPalette()
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{
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unsigned char* buffer;
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//int len =
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vfsLoadFile ("gfx/palette.lmp", (void **) &buffer);
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if (buffer == 0)
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return false;
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Texture_InitPalette(buffer);
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vfsFreeFile(buffer);
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return true;
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}
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Image* LoadMDLImageBuff(byte* buffer)
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{
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if(!LoadPalette())
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{
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return 0;
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}
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if(!ident_equal(buffer, MDL_IDENT))
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{
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globalErrorStream() << "LoadMDLImage: data has wrong ident\n";
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return 0;
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}
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PointerInputStream inputStream(buffer);
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inputStream.seek(4 + 4 + 12 + 12 + 4 + 12);
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//int numskins =
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istream_read_int32_le(inputStream);
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int skinwidth = istream_read_int32_le(inputStream);
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int skinheight = istream_read_int32_le(inputStream);
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inputStream.seek(4 + 4 + 4 + 4 + 4 + 4);
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switch(istream_read_int32_le(inputStream))
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{
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case MDL_SKIN_SINGLE:
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break;
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case MDL_SKIN_GROUP:
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int numskins = istream_read_int32_le(inputStream);
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inputStream.seek(numskins * 4);
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break;
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}
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RGBAImage* image = new RGBAImage(skinwidth, skinheight);
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unsigned char* pRGBA = image->getRGBAPixels();
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for(int i=0; i<(skinheight); i++)
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{
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for(int j=0; j<(skinwidth); j++)
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{
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byte index = istream_read_byte(inputStream);
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*pRGBA++ = mdl_palette[index * 3 + 0];
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*pRGBA++ = mdl_palette[index * 3 + 1];
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*pRGBA++ = mdl_palette[index * 3 + 2];
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*pRGBA++ = 255;
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}
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}
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return image;
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}
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Image* LoadMDLImage(ArchiveFile& file)
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{
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ScopedArchiveBuffer buffer(file);
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return LoadMDLImageBuff( buffer.buffer );
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}
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void MDLImage_Destroy(byte* pic)
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{
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free(pic);
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}
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