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78 lines
2.1 KiB
78 lines
2.1 KiB
/** |
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* @file palette.h |
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* |
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* Interface of functions for handling the engines color palette. |
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*/ |
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#pragma once |
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#include <cstdint> |
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#include "levels/gendung.h" |
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namespace devilution { |
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// Diablo uses a 256 color palette |
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// Entry 0-127 (0x00-0x7F) are level specific |
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// Entry 128-255 (0x80-0xFF) are global |
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// standard palette for all levels |
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// 8 or 16 shades per color |
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// example (dark blue): PAL16_BLUE+14, PAL8_BLUE+7 |
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// example (light red): PAL16_RED+2, PAL8_RED |
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// example (orange): PAL16_ORANGE+8, PAL8_ORANGE+4 |
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#define PAL8_BLUE 128 |
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#define PAL8_RED 136 |
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#define PAL8_YELLOW 144 |
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#define PAL8_ORANGE 152 |
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#define PAL16_BEIGE 160 |
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#define PAL16_BLUE 176 |
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#define PAL16_YELLOW 192 |
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#define PAL16_ORANGE 208 |
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#define PAL16_RED 224 |
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#define PAL16_GRAY 240 |
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extern SDL_Color logical_palette[256]; |
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extern SDL_Color system_palette[256]; |
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extern SDL_Color orig_palette[256]; |
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/** Lookup table for transparency */ |
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extern Uint8 paletteTransparencyLookup[256][256]; |
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#if DEVILUTIONX_PALETTE_TRANSPARENCY_BLACK_16_LUT |
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/** |
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* A lookup table from black for a pair of colors. |
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* |
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* For a pair of colors i and j, the index `i | (j << 8)` contains |
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* `paletteTransparencyLookup[0][i] | (paletteTransparencyLookup[0][j] << 8)`. |
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* |
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* On big-endian platforms, the indices are encoded as `j | (i << 8)`, while the |
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* value order remains the same. |
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*/ |
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extern uint16_t paletteTransparencyLookupBlack16[65536]; |
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#endif |
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void palette_update(int first = 0, int ncolor = 256); |
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void palette_init(); |
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void LoadPalette(const char *pszFileName, bool blend = true); |
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void LoadRndLvlPal(dungeon_type l); |
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void IncreaseGamma(); |
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void ApplyGamma(SDL_Color *dst, const SDL_Color *src, int n); |
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void DecreaseGamma(); |
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int UpdateGamma(int gamma); |
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void BlackPalette(); |
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void SetFadeLevel(int fadeval); |
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/** |
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* @brief Fade screen from black |
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* @param fr Steps per 50ms |
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*/ |
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void PaletteFadeIn(int fr); |
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/** |
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* @brief Fade screen to black |
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* @param fr Steps per 50ms |
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*/ |
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void PaletteFadeOut(int fr); |
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void palette_update_caves(); |
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void palette_update_crypt(); |
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void palette_update_hive(); |
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void palette_update_quest_palette(int n); |
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} // namespace devilution
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