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| Rev | Author | Line No. | Line |
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| 1 | pmbaty | 1 | /* |
| 2 | * Portions of this file are copyright Rebirth contributors and licensed as |
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| 3 | * described in COPYING.txt. |
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| 4 | * Portions of this file are copyright Parallax Software and licensed |
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| 5 | * according to the Parallax license below. |
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| 6 | * See COPYING.txt for license details. |
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| 7 | |||
| 8 | THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX |
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| 9 | SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO |
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| 10 | END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A |
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| 11 | ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS |
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| 12 | IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS |
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| 13 | SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE |
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| 14 | FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE |
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| 15 | CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS |
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| 16 | AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE. |
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| 17 | COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED. |
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| 18 | */ |
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| 19 | |||
| 20 | /* |
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| 21 | * |
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| 22 | * Protoypes for palette functions |
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| 23 | * |
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| 24 | */ |
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| 25 | |||
| 26 | |||
| 27 | #ifndef _PALETTE_H |
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| 28 | #define _PALETTE_H |
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| 29 | |||
| 30 | #include "pstypes.h" |
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| 31 | |||
| 32 | #ifdef __cplusplus |
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| 33 | #include <cstddef> |
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| 34 | #include <cstdint> |
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| 35 | #include "dxxsconf.h" |
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| 36 | #include "dsx-ns.h" |
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| 37 | #include <array> |
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| 38 | |||
| 39 | struct rgb_t { |
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| 40 | ubyte r,g,b; |
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| 41 | }; |
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| 42 | |||
| 43 | typedef uint8_t color_t; |
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| 44 | |||
| 45 | static inline bool operator==(const rgb_t &a, const rgb_t &b) { return a.r == b.r && a.g == b.g && a.b == b.b; } |
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| 46 | |||
| 47 | namespace dcx { |
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| 48 | |||
| 49 | struct palette_array_t : public std::array<rgb_t, 256> {}; |
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| 50 | |||
| 51 | #ifdef DXX_BUILD_DESCENT_II |
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| 52 | #define DEFAULT_LEVEL_PALETTE "groupa.256" //don't confuse with D2_DEFAULT_PALETTE |
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| 53 | #endif |
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| 54 | |||
| 55 | void copy_bound_palette(palette_array_t &d, const palette_array_t &s); |
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| 56 | void diminish_palette(palette_array_t &palette); |
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| 57 | extern void gr_palette_set_gamma( int gamma ); |
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| 58 | extern int gr_palette_get_gamma(); |
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| 59 | void gr_palette_load( palette_array_t &pal ); |
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| 60 | color_t gr_find_closest_color_current( int r, int g, int b ); |
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| 61 | #if !DXX_USE_OGL |
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| 62 | void gr_palette_read(palette_array_t &palette); |
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| 63 | #endif |
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| 64 | extern void init_computed_colors(void); |
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| 65 | extern ubyte gr_palette_gamma; |
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| 66 | extern palette_array_t gr_current_pal; |
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| 67 | extern palette_array_t gr_palette; |
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| 68 | |||
| 69 | using color_palette_index = uint8_t; |
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| 70 | |||
| 71 | static inline const rgb_t &CPAL2T(const color_palette_index c) |
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| 72 | { |
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| 73 | return gr_current_pal[static_cast<std::size_t>(c)]; |
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| 74 | } |
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| 75 | |||
| 76 | static inline const rgb_t &PAL2T(const color_palette_index c) |
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| 77 | { |
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| 78 | return gr_palette[static_cast<std::size_t>(c)]; |
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| 79 | } |
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| 80 | |||
| 81 | #define CPAL2Tr(c) (CPAL2T(c).r / 63.0) |
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| 82 | #define CPAL2Tg(c) (CPAL2T(c).g / 63.0) |
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| 83 | #define CPAL2Tb(c) (CPAL2T(c).b / 63.0) |
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| 84 | #define PAL2Tr(c) (PAL2T(c).r / 63.0) |
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| 85 | #define PAL2Tg(c) (PAL2T(c).g / 63.0) |
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| 86 | #define PAL2Tb(c) (PAL2T(c).b / 63.0) |
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| 87 | //inline GLfloat PAL2Tr(int c); |
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| 88 | //inline GLfloat PAL2Tg(int c); |
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| 89 | //inline GLfloat PAL2Tb(int c); |
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| 90 | } |
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| 91 | |||
| 92 | #ifdef DXX_BUILD_DESCENT_I |
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| 93 | namespace dsx { |
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| 94 | void copy_diminish_palette(palette_array_t &palette, const uint8_t *p); |
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| 95 | } |
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| 96 | #endif |
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| 97 | |||
| 98 | #endif |
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| 99 | |||
| 100 | #endif |