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94 lines
2.9 KiB
94 lines
2.9 KiB
/** |
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* @file lighting.h |
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* |
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* Interface of light and vision. |
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*/ |
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#pragma once |
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#include <array> |
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#include <cstdint> |
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#include <expected.hpp> |
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#include <function_ref.hpp> |
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#include "automap.h" |
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#include "engine/displacement.hpp" |
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#include "engine/point.hpp" |
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#include "engine/world_tile.hpp" |
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#include "utils/attributes.h" |
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namespace devilution { |
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#define MAXLIGHTS 32 |
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#define MAXVISION 4 |
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/** @brief Number of supported light levels */ |
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constexpr size_t NumLightingLevels = 16; |
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#define NO_LIGHT -1 |
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struct LightPosition { |
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WorldTilePosition tile; |
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/** Pixel offset from tile. */ |
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DisplacementOf<int8_t> offset; |
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/** Previous position. */ |
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WorldTilePosition old; |
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}; |
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struct Light { |
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LightPosition position; |
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uint8_t radius; |
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uint8_t oldRadius; |
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bool isInvalid; |
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bool hasChanged; |
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}; |
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extern Light VisionList[MAXVISION]; |
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extern std::array<bool, MAXVISION> VisionActive; |
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extern Light Lights[MAXLIGHTS]; |
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extern std::array<uint8_t, MAXLIGHTS> ActiveLights; |
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extern int ActiveLightCount; |
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constexpr char LightsMax = 15; |
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extern DVL_API_FOR_TEST std::array<std::array<uint8_t, 256>, NumLightingLevels> LightTables; |
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/** @brief Contains a pointer to a light table that is fully lit (no color mapping is required). Can be null in hell. */ |
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extern DVL_API_FOR_TEST uint8_t *FullyLitLightTable; |
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/** @brief Contains a pointer to a light table that is fully dark (every color result to 0/black). Can be null in hellfire levels. */ |
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extern DVL_API_FOR_TEST uint8_t *FullyDarkLightTable; |
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extern std::array<uint8_t, 256> InfravisionTable; |
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extern std::array<uint8_t, 256> StoneTable; |
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extern std::array<uint8_t, 256> PauseTable; |
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#ifdef _DEBUG |
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extern bool DisableLighting; |
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#endif |
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extern bool UpdateLighting; |
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void DoUnLight(Point position, uint8_t radius); |
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void DoLighting(Point position, uint8_t radius, DisplacementOf<int8_t> offset); |
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void DoUnVision(Point position, uint8_t radius); |
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void DoVision(Point position, uint8_t radius, |
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tl::function_ref<void(Point)> markVisibleFn, |
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tl::function_ref<void(Point)> markTransparentFn, |
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tl::function_ref<bool(Point)> passesLightFn, |
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tl::function_ref<bool(Point)> inBoundsFn); |
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void DoVision(Point position, uint8_t radius, MapExplorationType doAutomap, bool visible); |
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tl::expected<void, std::string> LoadTrns(); |
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void MakeLightTable(); |
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#ifdef _DEBUG |
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void ToggleLighting(); |
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#endif |
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void InitLighting(); |
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int AddLight(Point position, uint8_t radius); |
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void AddUnLight(int i); |
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void ChangeLightRadius(int i, uint8_t radius); |
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void ChangeLightXY(int i, Point position); |
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void ChangeLightOffset(int i, DisplacementOf<int8_t> offset); |
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void ChangeLight(int i, Point position, uint8_t radius); |
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void ProcessLightList(); |
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void SavePreLighting(); |
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void ActivateVision(Point position, int r, size_t id); |
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void ChangeVisionRadius(size_t id, int r); |
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void ChangeVisionXY(size_t id, Point position); |
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void ProcessVisionList(); |
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void lighting_color_cycling(); |
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constexpr int MaxCrawlRadius = 18; |
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} // namespace devilution
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