split WorldGenerator::generatePrototype

res/generators/default.lua

@@ -102,9 +102,11 @@ end
 function generate_biome_parameters(x, y, w, h, seed)
     local tempmap = Heightmap(w, h)
     tempmap.noiseSeed = seed + 5324
-    tempmap:noise({x, y}, 0.8, 3)
+    tempmap:noise({x, y}, 0.4, 4)
     local hummap = Heightmap(w, h)
     hummap.noiseSeed = seed + 953
-    hummap:noise({x, y}, 0.2, 2)
+    hummap:noise({x, y}, 0.16, 4)
+    tempmap:pow(2)
+    hummap:pow(2)
     return tempmap, hummap
 end

src/world/generator/WorldGenerator.cpp

@@ -78,9 +78,7 @@ static inline const Biome* choose_biome(
 std::unique_ptr<ChunkPrototype> WorldGenerator::generatePrototype(
     int chunkX, int chunkZ
 ) {
-    timeutil::ScopeLogTimer log(666);
+    // timeutil::ScopeLogTimer log(666);
-    auto heightmap = def.script->generateHeightmap(
-        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, seed);
     auto biomeParams = def.script->generateParameterMaps(
         {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, seed);
     const auto& biomes = def.script->getBiomes();
@@ -92,13 +90,25 @@ std::unique_ptr<ChunkPrototype> WorldGenerator::generatePrototype(
         }
     }
     return std::make_unique<ChunkPrototype>(
-        std::move(heightmap), std::move(chunkBiomes));
+        ChunkPrototypeLevel::HEIGHTMAP,
+        nullptr, 
+        std::move(chunkBiomes));
+}
+
+void WorldGenerator::generateHeightmap(
+    ChunkPrototype* prototype, int chunkX, int chunkZ
+) {
+    prototype->heightmap = def.script->generateHeightmap(
+        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, seed);
+    prototype->level = ChunkPrototypeLevel::HEIGHTMAP;
 }
 
 void WorldGenerator::generate(voxel* voxels, int chunkX, int chunkZ) {
-    // timeutil::ScopeLogTimer log(555);
+    timeutil::ScopeLogTimer log(555);
 
     auto prototype = generatePrototype(chunkX, chunkZ);
+    generateHeightmap(prototype.get(), chunkX, chunkZ);
+
     const auto values = prototype->heightmap->getValues();
 
     uint seaLevel = def.script->getSeaLevel();

src/world/generator/WorldGenerator.hpp

@@ -13,15 +13,25 @@ struct GeneratorDef;
 class Heightmap;
 struct Biome;
 
+enum class ChunkPrototypeLevel {
+    BIOME, HEIGHTMAP
+};
+
 struct ChunkPrototype {
+    ChunkPrototypeLevel level;
+
     /// @brief chunk heightmap
     std::shared_ptr<Heightmap> heightmap;
     /// @brief chunk biomes matrix
     std::vector<const Biome*> biomes;
 
     ChunkPrototype(
-        std::shared_ptr<Heightmap> heightmap, std::vector<const Biome*> biomes
+        ChunkPrototypeLevel level,
-    ) : heightmap(std::move(heightmap)), biomes(std::move(biomes)) {};
+        std::shared_ptr<Heightmap> heightmap, 
+        std::vector<const Biome*> biomes
+    ) : level(level),
+        heightmap(std::move(heightmap)), 
+        biomes(std::move(biomes)) {};
 };
 
 /// @brief High-level world generation controller
@@ -37,6 +47,8 @@ class WorldGenerator {
     /// @param x chunk position X divided by CHUNK_W
     /// @param z chunk position Y divided by CHUNK_D
     std::unique_ptr<ChunkPrototype> generatePrototype(int x, int z);
+
+    void generateHeightmap(ChunkPrototype* prototype, int x, int z);
 public:
     WorldGenerator(
         const GeneratorDef& def,