feat: add block placement and destruction

include/Cubed/gameplay/block.hpp

@@ -20,4 +20,9 @@ struct BlockRenderData {
     glm::vec3 pos;
     std::vector<bool> draw_face;
     unsigned block_id;
+};
+
+struct LookBlock {
+    glm::ivec3 pos;
+    glm::ivec3 normal;
 };

include/Cubed/gameplay/chunk.hpp

@@ -14,7 +14,7 @@ private:
     World& m_world;
     // the index is a array of block id
     std::vector<uint8_t> m_blocks;
-    GLuint m_vbo;
+    GLuint m_vbo = 0;
     std::vector<Vertex> m_vertexs_data;
 
 public:
@@ -28,5 +28,7 @@ public:
     GLuint get_vbo() const;
     const std::vector<Vertex>& get_vertex_data() const;
     void init_chunk();
+
+    void set_chunk_block(int index, unsigned id);
     
 };

include/Cubed/gameplay/player.hpp

@@ -2,17 +2,11 @@
 #include <glm/glm.hpp>
 
 #include <Cubed/config.hpp>
+#include <Cubed/gameplay/block.hpp>
+#include <Cubed/input.hpp>
 
 #include <optional>
 #include <string>
-struct MoveState {
-    bool forward = false;
-    bool back = false;
-    bool left = false;
-    bool right = false;
-    bool down = false;
-    bool up = false;
-};
 
 class World;
 
@@ -31,17 +25,17 @@ private:
     glm::vec3 m_right;
     MoveState m_move_state;
 
-    std::optional<glm::ivec3> m_look_block_pos = std::nullopt;
+    std::optional<LookBlock> m_look_block = std::nullopt;
     std::string m_name;
     World& m_world;
 
-    bool ray_cast(const glm::vec3& start, const glm::vec3& dir, glm::ivec3& block_pos, float distance = 4.0f);
+    bool ray_cast(const glm::vec3& start, const glm::vec3& dir, glm::ivec3& block_pos, glm::vec3& normal, float distance = 4.0f);
 
 public:
     Player(World& world, const std::string& name);
     ~Player();
     const glm::vec3& get_front() const;
-    const std::optional<glm::ivec3>& get_look_block_pos() const;
+    const std::optional<LookBlock>& get_look_block_pos() const;
     const glm::vec3& get_player_pos() const;
     const MoveState& get_move_state() const;
     

include/Cubed/gameplay/world.hpp

@@ -17,11 +17,12 @@ public:
     ~World();
 
     const BlockRenderData& get_block_render_data(int x, int y ,int z);
-    const std::optional<glm::ivec3>& get_look_block_pos(const std::string& name) const;
+    const std::optional<LookBlock>& get_look_block_pos(const std::string& name) const;
     Player& get_player(const std::string& name);
     void init_world();
     bool is_block(const glm::ivec3& block_pos) const;
     void render();
+    void set_block(const glm::ivec3& pos, unsigned id);
     void update(float delta_time);
     
 

include/Cubed/input.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+struct MoveState {
+    bool forward = false;
+    bool back = false;
+    bool left = false;
+    bool right = false;
+    bool down = false;
+    bool up = false;
+};
+
+struct MouseState {
+    bool left = false;
+    bool right = false;
+};
+
+struct InputState {
+    MoveState move_state;
+    MouseState mouse_state;
+};
+
+namespace Input {
+    InputState& get_input_state();
+}