95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Protoypes for palette functions
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*
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*/
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#ifndef _PALETTE_H
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#define _PALETTE_H
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#include "pstypes.h"
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#ifdef __cplusplus
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#include <cstddef>
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#include <cstdint>
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#include "dxxsconf.h"
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#include "dsx-ns.h"
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#include <array>
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struct rgb_t {
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ubyte r,g,b;
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[[nodiscard]]
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constexpr bool operator==(const rgb_t &) const = default;
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};
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typedef uint8_t color_t;
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namespace dcx {
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struct palette_array_t : public std::array<rgb_t, 256> {};
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#ifdef DXX_BUILD_DESCENT_II
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#define DEFAULT_LEVEL_PALETTE "groupa.256" //don't confuse with D2_DEFAULT_PALETTE
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#endif
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void copy_bound_palette(palette_array_t &d, const palette_array_t &s);
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void diminish_palette(palette_array_t &palette);
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extern void gr_palette_set_gamma( int gamma );
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extern int gr_palette_get_gamma();
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void gr_palette_load( palette_array_t &pal );
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color_t gr_find_closest_color_current( int r, int g, int b );
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#if !DXX_USE_OGL
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void gr_palette_read(palette_array_t &palette);
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#endif
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void reset_computed_colors();
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extern ubyte gr_palette_gamma;
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extern palette_array_t gr_current_pal;
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extern palette_array_t gr_palette;
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using color_palette_index = uint8_t;
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static inline const rgb_t &CPAL2T(const color_palette_index c)
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{
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return gr_current_pal[static_cast<std::size_t>(c)];
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}
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static inline const rgb_t &PAL2T(const color_palette_index c)
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{
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return gr_palette[static_cast<std::size_t>(c)];
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}
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#define CPAL2Tr(c) (CPAL2T(c).r / 63.0)
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#define CPAL2Tg(c) (CPAL2T(c).g / 63.0)
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#define CPAL2Tb(c) (CPAL2T(c).b / 63.0)
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#define PAL2Tr(c) (PAL2T(c).r / 63.0)
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#define PAL2Tg(c) (PAL2T(c).g / 63.0)
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#define PAL2Tb(c) (PAL2T(c).b / 63.0)
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//inline GLfloat PAL2Tr(int c);
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//inline GLfloat PAL2Tg(int c);
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//inline GLfloat PAL2Tb(int c);
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}
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#endif
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#endif
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