90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/*
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** v_palette.cpp
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** Automatic colormap generation for "colored lights", etc.
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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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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**
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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 "g_level.h"
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#include "v_video.h"
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#include "filesystem.h"
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#include "i_video.h"
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#include "c_dispatch.h"
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#include "st_stuff.h"
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#include "g_levellocals.h"
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#include "m_png.h"
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#include "v_colortables.h"
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using namespace FileSys;
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/* Current color blending values */
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int BlendR, BlendG, BlendB, BlendA;
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void InitPalette ()
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{
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uint8_t pal[768];
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ReadPalette(fileSystem.GetNumForName("PLAYPAL"), pal);
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GPalette.Init(NUM_TRANSLATION_TABLES, nullptr);
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GPalette.SetPalette (pal, -1);
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int lump = fileSystem.CheckNumForName("COLORMAP");
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if (lump == -1) lump = fileSystem.CheckNumForName("COLORMAP", ns_colormaps);
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if (lump != -1)
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{
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FileData cmap = fileSystem.ReadFile(lump);
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auto cmapdata = cmap.GetBytes();
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GPalette.GenerateGlobalBrightmapFromColormap(cmapdata, 32);
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MakeGoodRemap((uint32_t*)GPalette.BaseColors, GPalette.Remap, cmapdata + 7936); // last entry in colormap
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}
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else
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MakeGoodRemap ((uint32_t*)GPalette.BaseColors, GPalette.Remap);
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ColorMatcher.SetPalette ((uint32_t *)GPalette.BaseColors);
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if (GPalette.Remap[0] == 0)
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{ // No duplicates, so settle for something close to color 0
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GPalette.Remap[0] = BestColor ((uint32_t *)GPalette.BaseColors,
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GPalette.BaseColors[0].r, GPalette.BaseColors[0].g, GPalette.BaseColors[0].b, 1, 255);
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}
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GPalette.BaseColors[0] = 0;
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// Colormaps have to be initialized before actors are loaded,
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// otherwise Powerup.Colormap will not work.
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R_InitColormaps ();
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BuildTransTable (GPalette.BaseColors);
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}
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