You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
134 lines
3.5 KiB
134 lines
3.5 KiB
/** |
|
* @file lighting.h |
|
* |
|
* Interface of light and vision. |
|
*/ |
|
#pragma once |
|
|
|
#include <array> |
|
#include <cstdint> |
|
#include <optional> |
|
#include <type_traits> |
|
#include <vector> |
|
|
|
#include <function_ref.hpp> |
|
|
|
#include "automap.h" |
|
#include "engine.h" |
|
#include "engine/point.hpp" |
|
#include "utils/attributes.h" |
|
|
|
namespace devilution { |
|
|
|
#define MAXLIGHTS 32 |
|
#define MAXVISION 4 |
|
/** @brief Number of supported light levels */ |
|
constexpr size_t NumLightingLevels = 16; |
|
#define NO_LIGHT -1 |
|
|
|
struct LightPosition { |
|
WorldTilePosition tile; |
|
/** Pixel offset from tile. */ |
|
DisplacementOf<int8_t> offset; |
|
/** Previous position. */ |
|
WorldTilePosition old; |
|
}; |
|
|
|
struct Light { |
|
LightPosition position; |
|
uint8_t radius; |
|
uint8_t oldRadius; |
|
bool isInvalid; |
|
bool hasChanged; |
|
}; |
|
|
|
extern Light VisionList[MAXVISION]; |
|
extern std::array<bool, MAXVISION> VisionActive; |
|
extern Light Lights[MAXLIGHTS]; |
|
extern std::array<uint8_t, MAXLIGHTS> ActiveLights; |
|
extern int ActiveLightCount; |
|
constexpr char LightsMax = 15; |
|
extern std::array<std::array<uint8_t, 256>, NumLightingLevels> LightTables; |
|
extern std::array<uint8_t, 256> InfravisionTable; |
|
extern std::array<uint8_t, 256> StoneTable; |
|
extern std::array<uint8_t, 256> PauseTable; |
|
#ifdef _DEBUG |
|
extern bool DisableLighting; |
|
#endif |
|
extern bool UpdateLighting; |
|
|
|
void DoUnLight(Point position, uint8_t radius); |
|
void DoLighting(Point position, uint8_t radius, DisplacementOf<int8_t> offset); |
|
void DoUnVision(Point position, uint8_t radius); |
|
void DoVision(Point position, uint8_t radius, MapExplorationType doAutomap, bool visible); |
|
void MakeLightTable(); |
|
#ifdef _DEBUG |
|
void ToggleLighting(); |
|
#endif |
|
void InitLighting(); |
|
int AddLight(Point position, uint8_t radius); |
|
void AddUnLight(int i); |
|
void ChangeLightRadius(int i, uint8_t radius); |
|
void ChangeLightXY(int i, Point position); |
|
void ChangeLightOffset(int i, DisplacementOf<int8_t> offset); |
|
void ChangeLight(int i, Point position, uint8_t radius); |
|
void ProcessLightList(); |
|
void SavePreLighting(); |
|
void ActivateVision(Point position, int r, size_t id); |
|
void ChangeVisionRadius(size_t id, int r); |
|
void ChangeVisionXY(size_t id, Point position); |
|
void ProcessVisionList(); |
|
void lighting_color_cycling(); |
|
|
|
constexpr int MaxCrawlRadius = 18; |
|
|
|
/** |
|
* CrawlTable specifies X- and Y-coordinate deltas from a missile target coordinate. |
|
* |
|
* n=4 |
|
* |
|
* y |
|
* ^ |
|
* | 1 |
|
* | 3#4 |
|
* | 2 |
|
* +-----> x |
|
* |
|
* n=16 |
|
* |
|
* y |
|
* ^ |
|
* | 314 |
|
* | B7 8C |
|
* | F # G |
|
* | D9 AE |
|
* | 526 |
|
* +-------> x |
|
*/ |
|
|
|
bool DoCrawl(unsigned radius, tl::function_ref<bool(Displacement)> function); |
|
bool DoCrawl(unsigned minRadius, unsigned maxRadius, tl::function_ref<bool(Displacement)> function); |
|
|
|
template <typename F> |
|
auto Crawl(unsigned radius, F function) -> std::invoke_result_t<decltype(function), Displacement> |
|
{ |
|
std::invoke_result_t<decltype(function), Displacement> result; |
|
DoCrawl(radius, [&result, &function](Displacement displacement) -> bool { |
|
result = function(displacement); |
|
return !result; |
|
}); |
|
return result; |
|
} |
|
|
|
template <typename F> |
|
auto Crawl(unsigned minRadius, unsigned maxRadius, F function) -> std::invoke_result_t<decltype(function), Displacement> |
|
{ |
|
std::invoke_result_t<decltype(function), Displacement> result; |
|
DoCrawl(minRadius, maxRadius, [&result, &function](Displacement displacement) -> bool { |
|
result = function(displacement); |
|
return !result; |
|
}); |
|
return result; |
|
} |
|
|
|
} // namespace devilution
|
|
|