feat: add world class

include/Cubed/config.hpp

@@ -1,4 +1,7 @@
 #pragma once
 constexpr int WORLD_SIZE_X = 32;
 constexpr int WORLD_SIZE_Z = 32;
-constexpr int MAX_BLOCK_NUM = 1;
+constexpr int WORLD_SIZE_Y = 16;
+constexpr int MAX_BLOCK_NUM = 2;
+constexpr int CHUCK_SIZE = 16;
+constexpr int DISTANCE = 1;

include/Cubed/gameplay/block.hpp

@@ -0,0 +1,23 @@
+#pragma once
+#include <glad/glad.h>
+#include <glm/glm.hpp>
+#include <string>
+#include <vector>
+
+
+
+struct BlockTexture {
+    std::string name;
+    unsigned id;
+    std::vector<GLuint> texture;
+};
+
+struct Block : public BlockTexture{
+
+};
+
+struct BlockRenderData {
+    glm::vec3 pos;
+    std::vector<bool> draw_face;
+    unsigned block_id;
+};

include/Cubed/gameplay/chuck.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstdint>
+
+#include <Cubed/config.hpp>
+#include <Cubed/gameplay/chuck_status.hpp>
+#include <Cubed/gameplay/block.hpp>
+
+
+
+class Chuck {
+private:
+
+    // the index is a array of block id
+    std::vector<uint8_t> m_blocks;
+
+public:
+    Chuck();
+    ~Chuck();
+    const std::vector<uint8_t>& get_chuck_blocks() const;    
+    void init_chuck();
+    static int get_index(int x, int y, int z);
+};

include/Cubed/gameplay/chuck_status.hpp

@@ -0,0 +1,15 @@
+#pragma once
+#include <functional>
+struct ChuckPos {
+    int x;
+    int y;
+    bool operator==(const ChuckPos&) const = default;
+    struct Hash {
+        std::size_t operator()(const ChuckPos& pos) const{
+            std::size_t h1 = std::hash<int>{}(pos.x);
+            std::size_t h2 = std::hash<int>{}(pos.y);
+            return h1 ^ (h2 << 1);
+        }
+    };
+};
+

include/Cubed/gameplay/world.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include <unordered_map>
+
+#include <Cubed/gameplay/chuck.hpp>
+
+class World {
+private:
+    BlockRenderData m_block_render_data;
+    std::unordered_map<ChuckPos , Chuck, ChuckPos::Hash> m_chucks;
+    
+public:
+    
+    World();
+    ~World();
+
+    const BlockRenderData& get_block_render_data(int x, int y ,int z);
+    void init_world();
+    void render();
+    
+
+};