replace argument 'seed' with global constant 'SEED'

src/world/generator/GeneratorDef.hpp

@@ -123,17 +123,17 @@ class GeneratorScript {
 public:
     virtual ~GeneratorScript() = default;
 
+    virtual void initialize(uint64_t seed) = 0;
+
     /// @brief Generate a heightmap with values in range 0..1
     /// @param offset position of the heightmap in the world
     /// @param size size of the heightmap
-    /// @param seed world seed
     /// @param bpd blocks per dot
     /// @param inputs biome parameter maps passed to generate_heightmap
     /// @return generated heightmap (can't be nullptr)
     virtual std::shared_ptr<Heightmap> generateHeightmap(
         const glm::ivec2& offset,
         const glm::ivec2& size,
-        uint64_t seed,
         uint bpd,
         const std::vector<std::shared_ptr<Heightmap>>& inputs
     ) = 0;
@@ -141,13 +141,11 @@ public:
     /// @brief Generate a biomes parameters maps
     /// @param offset position of maps in the world
     /// @param size maps size
-    /// @param seed world seed
     /// @param bpd blocks per dot
     /// @return generated maps (can't be nullptr)
     virtual std::vector<std::shared_ptr<Heightmap>> generateParameterMaps(
         const glm::ivec2& offset,
         const glm::ivec2& size,
-        uint64_t seed,
         uint bpd
     ) = 0;
 
@@ -156,12 +154,10 @@ public:
     /// wide-structs-chunks-radius
     /// @param offset position of the area
     /// @param size size of the area (blocks)
-    /// @param seed world seed
     /// @param chunkHeight chunk height to use as heights multiplier
     virtual std::vector<Placement> placeStructuresWide(
-        const glm::ivec2& offset, 
-        const glm::ivec2& size, 
-        uint64_t seed,
+        const glm::ivec2& offset,
+        const glm::ivec2& size,
         uint chunkHeight
     ) = 0;
 
@@ -169,13 +165,15 @@ public:
     /// placed to nearest chunks also (position of out area).
     /// @param offset position of the area
     /// @param size size of the area (blocks)
-    /// @param seed world seed
     /// @param heightmap area heightmap
     /// @param chunkHeight chunk height to use as heights multiplier
     /// @return structure & line placements
     virtual std::vector<Placement> placeStructures(
-        const glm::ivec2& offset, const glm::ivec2& size, uint64_t seed,
-        const std::shared_ptr<Heightmap>& heightmap, uint chunkHeight) = 0;
+        const glm::ivec2& offset,
+        const glm::ivec2& size,
+        const std::shared_ptr<Heightmap>& heightmap,
+        uint chunkHeight
+    ) = 0;
 };
 
 /// @brief Structure voxel fragments and metadata

src/world/generator/WorldGenerator.cpp

@@ -31,6 +31,8 @@ WorldGenerator::WorldGenerator(
       seed(seed),
       surroundMap(0, BASIC_PROTOTYPE_LAYERS + def.wideStructsChunksRadius * 2)
 {
+    def.script->initialize(seed);
+
     uint levels = BASIC_PROTOTYPE_LAYERS + def.wideStructsChunksRadius * 2;
 
     surroundMap = SurroundMap(0, levels);
@@ -228,7 +230,7 @@ void WorldGenerator::generateStructuresWide(
         return;
     }
     auto placements = def.script->placeStructuresWide(
-        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, seed, CHUNK_H
+        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, CHUNK_H
     );
     placeStructures(placements, prototype, chunkX, chunkZ);
 
@@ -245,7 +247,7 @@ void WorldGenerator::generateStructures(
     const auto& heightmap = prototype.heightmap;
 
     auto placements = def.script->placeStructures(
-        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D}, seed,
+        {chunkX * CHUNK_W, chunkZ * CHUNK_D}, {CHUNK_W, CHUNK_D},
         heightmap, CHUNK_H
     );
     placeStructures(placements, prototype, chunkX, chunkZ);
@@ -297,7 +299,6 @@ void WorldGenerator::generateBiomes(
     auto biomeParams = def.script->generateParameterMaps(
         {floordiv(chunkX * CHUNK_W, bpd), floordiv(chunkZ * CHUNK_D, bpd)},
         {floordiv(CHUNK_W, bpd)+1, floordiv(CHUNK_D, bpd)+1},
-        seed,
         bpd
     );
     for (auto index : def.heightmapInputs) {
@@ -339,7 +340,6 @@ void WorldGenerator::generateHeightmap(
     prototype.heightmap = def.script->generateHeightmap(
         {floordiv(chunkX * CHUNK_W, bpd), floordiv(chunkZ * CHUNK_D, bpd)},
         {floordiv(CHUNK_W, bpd)+1, floordiv(CHUNK_D, bpd)+1},
-        seed,
         bpd,
         prototype.heightmapInputs
     );