feat: add Spectator Mode

include/Cubed/app.hpp

@@ -17,6 +17,7 @@ public:
     static void mouse_button_callback(GLFWwindow* window, int button, int action, int mods);
     static void window_focus_callback(GLFWwindow* window, int focused);
     static void window_reshape_callback(GLFWwindow* window, int new_width, int new_height);
+    static void mouse_scroll_callback(GLFWwindow* window, double xoffset, double yoffset);
 
     static int start_cubed_application(int argc, char** argv);
     static unsigned int seed();

include/Cubed/gameplay/game_mode.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdexcept>
+#include <string>
+enum class GameMode {
+    CREATIVE,
+    SPECTATOR
+};
+
+inline std::string to_str(GameMode mode) {
+    using enum GameMode;
+    switch (mode) {
+        case CREATIVE:
+            return {"Creative"};
+        case SPECTATOR:
+            return {"Spective"};
+    }
+    throw std::invalid_argument{"GameMode is invaild"};
+}

include/Cubed/gameplay/player.hpp

@@ -5,6 +5,7 @@
 #include <Cubed/config.hpp>
 #include <Cubed/gameplay/block.hpp>
 #include <Cubed/gameplay/chunk_pos.hpp>
+#include <Cubed/gameplay/game_mode.hpp>
 #include <Cubed/input.hpp>
 
 #include <optional>
@@ -19,6 +20,7 @@ class World;
 
 class Player {
 private:
+    using enum GameMode;
     constexpr static float WALK_SPEED = 4.5f;
     constexpr static float RUN_SPEED = 7.0f;
     constexpr static float ACCELERATION = 10.0f;   
@@ -54,7 +56,7 @@ private:
 
     Gait m_gait = Gait::WALK;
     MoveState m_move_state {};
-
+    GameMode m_game_mode = CREATIVE;
     std::optional<LookBlock> m_look_block = std::nullopt;
     std::string m_name {};
     World& m_world;
@@ -79,10 +81,11 @@ public:
     const glm::vec3& get_player_pos() const;
     const MoveState& get_move_state() const;
     
+    void change_mode(GameMode mode);
     void set_player_pos(const glm::vec3& pos);
     void update(float delta_time);
     void update_front_vec(float offset_x, float offset_y);
     void update_player_move_state(int key, int action);
-
+    void update_scroll(double yoffset);
 
 };