78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
//Copyright Paul Reiche, Fred Ford. 1992-2002
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/*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef CMAP_H
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#define CMAP_H
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#include "libs/gfxlib.h"
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#define MAX_COLORMAPS 250
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// These are pertinent to colortable file format
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// We load colormaps as binary and parse them when needed
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#define PLUTVAL_BYTE_SIZE 3
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// Channel order in colormap tables
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#define PLUTVAL_RED 0
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#define PLUTVAL_GREEN 1
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#define PLUTVAL_BLUE 2
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#define NUMBER_OF_PLUTVALS 256
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// Size of the colormap in a colortable file
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#define PLUT_BYTE_SIZE (PLUTVAL_BYTE_SIZE * NUMBER_OF_PLUTVALS)
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#define FADE_NO_INTENSITY 0
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#define FADE_NORMAL_INTENSITY 255
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#define FADE_FULL_INTENSITY 510
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typedef struct NativePalette NativePalette;
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typedef struct tfb_colormap
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{
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int index;
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// Colormap index as the game sees it
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int version;
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// Version goes up every time the colormap changes. This may
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// be due to SetColorMap() or at every transformation step
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// of XFormColorMap(). Paletted TFB_Images track the last
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// colormap version they were drawn with for optimization.
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int refcount;
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struct tfb_colormap *next;
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// for spares linking
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NativePalette *palette;
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} TFB_ColorMap;
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extern int GetFadeAmount (void);
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extern void InitColorMaps (void);
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extern void UninitColorMaps (void);
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extern void GetColorMapColors (Color *colors, TFB_ColorMap *);
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extern TFB_ColorMap * TFB_GetColorMap (int index);
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extern void TFB_ReturnColorMap (TFB_ColorMap *map);
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extern BOOLEAN XFormColorMap_step (void);
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// Native
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NativePalette* AllocNativePalette (void);
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void FreeNativePalette (NativePalette *);
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void SetNativePaletteColor (NativePalette *, int index, Color);
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Color GetNativePaletteColor (NativePalette *, int index);
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#endif /* CMAP_H */
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