feat: add ChunkGenerator

include/Cubed/gameplay/chunk_generator.hpp

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <Cubed/constants.hpp>
+#include <Cubed/tools/cubed_random.hpp>
+
+#include <atomic>
+#include <optional>
+namespace Cubed {
+
+
+class Chunk;
+
+class ChunkGenerator {
+    static constexpr int SIZE_X = CHUCK_SIZE;
+    static constexpr int SIZE_Y = WORLD_SIZE_Y;
+    static constexpr int SIZE_Z = CHUCK_SIZE;
+    using HeightMapArray = std::array<std::array<float, CHUCK_SIZE>, CHUCK_SIZE>;
+public:
+    ChunkGenerator(Chunk& chunk);
+
+    static void init();
+    static void reload();
+    static const unsigned& seed();
+    static void seed(unsigned s);
+
+    // Generate Biome
+    void assign_chunk_biome();
+    // Adjust Biome
+    void resolve_biome_adjacency_conflict(const std::array<const Chunk*, 4>& adj_chunks);
+    // Generate Heightmap
+    void generate_heightmap();
+    // Adjust Height
+    void blend_heightmap_boundaries(const std::array<std::optional<HeightMapArray>, 4>& neighbor_heightmap);
+    // Generate Block
+    void generate_terrain_blocks();
+    // Adjust Block;
+    void blend_surface_blocks_borders(const std::array<std::optional<std::vector<uint8_t>>, 4>& neighbor_block);
+    // Generate Structure
+    void generate_vegetation();
+
+private:
+    static inline std::atomic<bool> is_init {false};
+    static inline unsigned m_generator_seed {0};
+    static inline std::atomic<bool> is_seed_change {false};
+    Chunk& m_chunk;
+    Random m_random;
+};
+
+
+}