mirror of https://github.com/ZDoom/raze-gles.git
146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
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// Ken Silverman's official web site: "http://www.advsys.net/ken"
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// See the included license file "BUILDLIC.TXT" for license info.
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//
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// This file has been modified from Ken Silverman's original release
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// by Jonathon Fowler (jf@jonof.id.au)
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// by the EDuke32 team (development@voidpoint.com)
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#pragma once
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#ifndef palette_h_
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#define palette_h_
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#include "cache1d.h"
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#include "vfs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAXBASEPALS 256
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#define MAXPALOOKUPS 256
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#define MAXBLENDTABS 256
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#define RESERVEDPALS 4 // don't forget to increment this when adding reserved pals
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#define DETAILPAL (MAXPALOOKUPS - 1)
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#define GLOWPAL (MAXPALOOKUPS - 2)
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#define SPECULARPAL (MAXPALOOKUPS - 3)
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#define NORMALPAL (MAXPALOOKUPS - 4)
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extern uint8_t curbasepal;
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#ifdef LUNATIC
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extern const char *(paletteGetBlendTable) (int32_t blend);
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#else
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#define paletteGetBlendTable(blend) (blendtable[blend])
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#endif
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extern uint32_t PaletteIndexFullbrights[8];
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#define IsPaletteIndexFullbright(col) (PaletteIndexFullbrights[(col)>>5] & (1u<<((col)&31)))
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#define SetPaletteIndexFullbright(col) (PaletteIndexFullbrights[(col)>>5] |= (1u<<((col)&31)))
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typedef struct {
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char r, g, b, f;
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} palette_t;
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typedef struct {
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uint8_t r, g, b;
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} rgb24_t;
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extern palette_t curpalette[256], curpalettefaded[256], palfadergb;
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extern char palfadedelta;
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extern void fullscreen_tint_gl(uint8_t r, uint8_t g, uint8_t b, uint8_t f);
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extern void fullscreen_tint_gl_blood(void);
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extern void videoFadeToBlack(int32_t moreopaquep);
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void paletteMakeLookupTable(int32_t palnum, const char *remapbuf, uint8_t r, uint8_t g, uint8_t b, char noFloorPal);
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void paletteSetColorTable(int32_t id, uint8_t const *table);
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void paletteFreeColorTable(int32_t id);
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void paletteSetBlendTable(int32_t blend, const char *tab);
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void paletteFreeBlendTable(int32_t blend);
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int32_t paletteSetLookupTable(int32_t palnum, const uint8_t *shtab);
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void paletteFreeLookupTable(int32_t palnum);
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void videoSetPalette(char dabrightness, uint8_t dapalid, uint8_t flags);
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void videoFadePalette(uint8_t r, uint8_t g, uint8_t b, uint8_t offset);
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#ifdef USE_OPENGL
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void videoTintBlood(int32_t r, int32_t g, int32_t b);
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#endif
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extern int32_t realmaxshade;
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extern float frealmaxshade;
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extern int32_t globalpal;
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extern int32_t globalblend;
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extern uint32_t g_lastpalettesum;
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extern palette_t paletteGetColor(int32_t col);
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extern void paletteLoadFromDisk(void);
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extern void palettePostLoadTables(void);
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extern void setup_blend(int32_t blend, int32_t doreverse);
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extern uint8_t basepalreset;
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extern int32_t curbrightness, gammabrightness;
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extern int32_t paletteLoadLookupTable(buildvfs_kfd fp);
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extern void paletteSetupDefaultFog(void);
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extern void palettePostLoadLookups(void);
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extern void paletteFixTranslucencyMask(void);
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extern int8_t g_noFloorPal[MAXPALOOKUPS];
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extern char britable[16][256];
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#ifdef USE_OPENGL
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extern palette_t palookupfog[MAXPALOOKUPS];
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static inline void bricolor(palette_t *wpptr, int32_t dacol)
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{
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if (gammabrightness)
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{
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wpptr->r = curpalette[dacol].r;
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wpptr->g = curpalette[dacol].g;
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wpptr->b = curpalette[dacol].b;
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}
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else
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{
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wpptr->r = britable[curbrightness][curpalette[dacol].r];
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wpptr->g = britable[curbrightness][curpalette[dacol].g];
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wpptr->b = britable[curbrightness][curpalette[dacol].b];
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}
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}
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enum
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{
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BLENDFACTOR_ZERO = 0,
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BLENDFACTOR_ONE,
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BLENDFACTOR_SRC_COLOR,
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BLENDFACTOR_ONE_MINUS_SRC_COLOR,
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BLENDFACTOR_SRC_ALPHA,
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BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
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BLENDFACTOR_DST_ALPHA,
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BLENDFACTOR_ONE_MINUS_DST_ALPHA,
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BLENDFACTOR_DST_COLOR,
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BLENDFACTOR_ONE_MINUS_DST_COLOR,
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NUMBLENDFACTORS,
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};
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typedef struct glblenddef_
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{
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float alpha;
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uint8_t src, dst, flags;
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} glblenddef_t;
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typedef struct glblend_
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{
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glblenddef_t def[2];
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} glblend_t;
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extern glblend_t const nullglblend, defaultglblend;
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extern glblend_t glblend[MAXBLENDTABS];
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extern void handle_blend(uint8_t enable, uint8_t blend, uint8_t def);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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