feat: block switching (#2)

* feat: add item tab item in dev panel

* feat: add block switching via mouse wheel

include/Cubed/dev_panel.hpp

@@ -48,6 +48,7 @@ private:
     void show_settings_tab_item();
     void show_world_tab_item();
     void show_player_tab_item();
+    void show_items_tab_item();
 
     void update_config_view();
     void update_player_profile();

include/Cubed/gameplay/player.hpp

@@ -42,6 +42,8 @@ private:
 
     float m_xz_speed = 0.0f;
 
+    unsigned m_place_block = 1;
+
     glm::vec3 direction = glm::vec3(0.0f, 0.0f, 0.0f);
     glm::vec3 move_distance{0.0f, 0.0f, 0.0f};
     // player is tow block tall, the pos is the lower pos
@@ -85,6 +87,7 @@ public:
     void change_mode(GameMode mode);
     void hot_reload();
     void set_player_pos(const glm::vec3& pos);
+    void set_place_block(unsigned id);
     void update(float delta_time);
     void update_front_vec(float offset_x, float offset_y);
     void update_player_move_state(int key, int action);
@@ -97,6 +100,8 @@ public:
     float& deceleration();
     float& g();
 
+    unsigned place_block() const;
+
     Gait& gait();
     GameMode& game_mode();
 };

include/Cubed/map_table.hpp

@@ -1,18 +1,21 @@
 #pragma once
 #include <string>
 #include <unordered_map>
-
+#include <vector>
 namespace Cubed {
 
 class MapTable {
 private:
-    static std::unordered_map<unsigned, std::string> id_to_name_map;
-    static std::unordered_map<size_t, unsigned> name_to_id_map;
+    static inline std::unordered_map<unsigned, std::string> id_to_name_map;
+    static inline std::unordered_map<size_t, unsigned> name_to_id_map;
+    static inline std::vector<std::string> item_id_to_name;
 
 public:
     // please using reference
-    static const std::string& get_name_from_id(unsigned id);
+    static std::string_view get_name_from_id(unsigned id);
     static unsigned get_id_from_name(const std::string& name);
+    static std::string_view item_name(unsigned id);
+    static const std::vector<std::string>& item_map();
     static void init_map();
 };
 

include/Cubed/texture_manager.hpp

@@ -13,9 +13,16 @@ private:
     GLuint m_ui_array;
     GLfloat m_max_aniso = 0.0f;
     int m_aniso = 1;
+
+    std::vector<GLuint> m_item_textures;
     void load_block_status(unsigned status_id);
     void load_block_texture(unsigned block_id);
+    void load_item_texture(const std::string& name);
     void load_ui_texture(unsigned id);
+    void init_item();
+    void init_block();
+    void init_ui();
+    void init_block_status();
 
 public:
     TextureManager();
@@ -25,6 +32,7 @@ public:
     GLuint get_block_status_array() const;
     GLuint get_texture_array() const;
     GLuint get_ui_array() const;
+    const std::vector<GLuint>& item_textures() const;
     // Must call after MapTable::init_map() and glfwMakeContextCurrent(window);
     void init_texture();
     void hot_reload();