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123 lines
3.6 KiB
123 lines
3.6 KiB
/** |
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* @file clx_render.hpp |
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* |
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* CL2 rendering. |
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*/ |
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#pragma once |
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#include <cstdint> |
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#include <array> |
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#include <utility> |
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#ifdef DEBUG_CLX |
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#include <string> |
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#endif |
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#include "engine.h" |
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#include "engine/clx_sprite.hpp" |
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#include "engine/point.hpp" |
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#include "lighting.h" |
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namespace devilution { |
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/** |
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* @brief Apply the color swaps to a CLX sprite list; |
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*/ |
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void ClxApplyTrans(ClxSpriteList list, const uint8_t *trn); |
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void ClxApplyTrans(ClxSpriteSheet sheet, const uint8_t *trn); |
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/** |
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* @brief Blit CL2 sprite, to the back buffer at the given coordianates |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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* @param frame CL2 frame number |
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*/ |
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void ClxDraw(const Surface &out, Point position, ClxSprite clx); |
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/** |
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* @brief Same as ClxDraw but position.y is the top of the sprite instead of the bottom. |
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*/ |
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inline void RenderClxSprite(const Surface &out, ClxSprite clx, Point position) |
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{ |
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ClxDraw(out, { position.x, position.y + static_cast<int>(clx.height()) - 1 }, clx); |
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} |
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/** |
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* @brief Blit a solid colder shape one pixel larger than the given sprite shape, to the given buffer at the given coordinates |
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* @param col Color index from current palette |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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*/ |
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void ClxDrawOutline(const Surface &out, uint8_t col, Point position, ClxSprite clx); |
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/** |
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* @brief Same as `ClxDrawOutline` but considers colors with index 0 (usually shadows) to be transparent. |
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* |
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* @param col Color index from current palette |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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*/ |
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void ClxDrawOutlineSkipColorZero(const Surface &out, uint8_t col, Point position, ClxSprite clx); |
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/** |
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* @brief Blit CL2 sprite, and apply given TRN to the given buffer at the given coordinates |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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* @param trn TRN to use |
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*/ |
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void ClxDrawTRN(const Surface &out, Point position, ClxSprite clx, const uint8_t *trn); |
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/** |
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* @brief Same as ClxDrawTRN but position.y is the top of the sprite instead of the bottom. |
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*/ |
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inline void RenderClxSpriteWithTRN(const Surface &out, ClxSprite clx, Point position, const uint8_t *trn) |
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{ |
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ClxDrawTRN(out, { position.x, position.y + static_cast<int>(clx.height()) - 1 }, clx, trn); |
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} |
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void ClxDrawBlendedTRN(const Surface &out, Point position, ClxSprite clx, const uint8_t *trn); |
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// defined in scrollrt.cpp |
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extern int LightTableIndex; |
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/** |
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* @brief Blit CL2 sprite, and apply lighting, to the given buffer at the given coordinates |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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*/ |
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inline void ClxDrawLight(const Surface &out, Point position, ClxSprite clx) |
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{ |
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if (LightTableIndex != 0) |
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ClxDrawTRN(out, position, clx, LightTables[LightTableIndex].data()); |
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else |
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ClxDraw(out, position, clx); |
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} |
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/** |
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* @brief Blit CL2 sprite, and apply lighting and transparency blending, to the given buffer at the given coordinates |
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* @param out Output buffer |
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* @param position Target buffer coordinate |
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* @param clx CLX frame |
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*/ |
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inline void ClxDrawLightBlended(const Surface &out, Point position, ClxSprite clx) |
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{ |
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ClxDrawBlendedTRN(out, position, clx, LightTables[LightTableIndex].data()); |
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} |
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/** |
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* Returns a pair of X coordinates containing the start (inclusive) and end (exclusive) |
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* of fully transparent columns in the sprite. |
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*/ |
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std::pair<int, int> ClxMeasureSolidHorizontalBounds(ClxSprite clx); |
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#ifdef DEBUG_CLX |
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std::string ClxDescribe(ClxSprite clx); |
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#endif |
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} // namespace devilution
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