Sky lights data saving (optimization)

src/files/WorldFiles.h

@@ -12,6 +12,7 @@
 #include "glm/gtx/hash.hpp"
 
 #include "../typedefs.h"
+#include "../settings.h"
 
 const uint REGION_SIZE_BIT = 5;
 const uint REGION_SIZE = (1 << (REGION_SIZE_BIT));
@@ -30,7 +31,7 @@ class World;
 class WorldRegion {
 	ubyte** chunksData;
 	uint32_t* sizes;
-	bool unsaved = true;
+	bool unsaved = false;
 public:
 	WorldRegion();
 	~WorldRegion();
@@ -49,7 +50,8 @@ public:
 class WorldFiles {
 	void writeWorldInfo(const World* world);
 	std::filesystem::path getRegionsFolder() const;
-	std::filesystem::path getRegionFile(int x, int y) const;
+	std::filesystem::path getLightsFolder() const;
+	std::filesystem::path getRegionFilename(int x, int y) const;
 	std::filesystem::path getPlayerFile() const;
 	std::filesystem::path getWorldFile() const;
 	std::filesystem::path getIndicesFile() const;
@@ -64,6 +66,10 @@ class WorldFiles {
 	WorldRegion* getRegion(std::unordered_map<glm::ivec2, WorldRegion*>& regions,
 						   int x, int z);
 
+	WorldRegion* getOrCreateRegion(
+						   std::unordered_map<glm::ivec2, WorldRegion*>& regions,
+						   int x, int z);
+
 	/* Compress buffer with extrle
 	   @param src source buffer
 	   @param srclen length of source buffer
@@ -80,18 +86,27 @@ class WorldFiles {
 	ubyte* readChunkData(int x, int y, 
 						uint32_t& length, 
 						std::filesystem::path file);
+
+	void writeRegions(std::unordered_map<glm::ivec2, WorldRegion*>& regions,
+					  const std::filesystem::path& folder);
+
+	ubyte* getData(std::unordered_map<glm::ivec2, WorldRegion*>& regions,
+				   const std::filesystem::path& folder,
+				   int x, int z);
 public:
 	std::unordered_map<glm::ivec2, WorldRegion*> regions;
 	std::unordered_map<glm::ivec2, WorldRegion*> lights;
 	std::filesystem::path directory;
 	ubyte* compressionBuffer;
 	bool generatorTestMode;
+	bool doWriteLights;
 
-	WorldFiles(std::filesystem::path directory, bool generatorTestMode);
+	WorldFiles(std::filesystem::path directory, const DebugSettings& settings);
 	~WorldFiles();
 
 	void put(Chunk* chunk);
 	ubyte* getChunk(int x, int y);
+	light_t* getLights(int x, int y);
 
 	bool readWorldInfo(World* world);
 	bool readPlayer(Player* player);