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88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/*
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** gl_translate.cpp
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** GL-related translation stuff
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**
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**---------------------------------------------------------------------------
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** Copyright 2007 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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** 4. When not used as part of GZDoom or a GZDoom derivative, this code will be
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** covered by the terms of the GNU Lesser General Public License as published
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** by the Free Software Foundation; either version 2.1 of the License, or (at
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** your option) any later version.
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** 5. Full disclosure of the entire project's source code, except for third
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** party libraries is mandatory. (NOTE: This clause is non-negotiable!)
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "doomtype.h"
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#include "r_data/r_translate.h"
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#include "gl/textures/gl_translate.h"
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#include "m_crc32.h"
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TArray<GLTranslationPalette::PalData> GLTranslationPalette::AllPalettes;
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GLTranslationPalette *GLTranslationPalette::CreatePalette(FRemapTable *remap)
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{
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GLTranslationPalette *p = new GLTranslationPalette(remap);
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p->Update();
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return p;
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}
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bool GLTranslationPalette::Update()
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{
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PalData pd;
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memset(pd.pe, 0, sizeof(pd.pe));
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memcpy(pd.pe, remap->Palette, remap->NumEntries * sizeof(*remap->Palette));
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pd.crc32 = CalcCRC32((BYTE*)pd.pe, sizeof(pd.pe));
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for(unsigned int i=0;i< AllPalettes.Size(); i++)
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{
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if (pd.crc32 == AllPalettes[i].crc32)
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{
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if (!memcmp(pd.pe, AllPalettes[i].pe, sizeof(pd.pe)))
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{
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Index = 1+i;
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return true;
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}
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}
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}
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Index = 1+AllPalettes.Push(pd);
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return true;
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}
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int GLTranslationPalette::GetInternalTranslation(int trans)
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{
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if (trans <= 0) return 0;
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FRemapTable *remap = TranslationToTable(trans);
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if (remap == NULL || remap->Inactive) return 0;
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GLTranslationPalette *tpal = static_cast<GLTranslationPalette*>(remap->GetNative());
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if (tpal == NULL) return 0;
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return tpal->GetIndex();
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}
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