完成攀爬状态-粗略

src/game/component/state/climb_state.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "player_state.h"
+
+namespace game::component::state {
+
+class ClimbState final : public PlayerState {
+    friend class game::component::PlayerComponent;
+public:
+    ClimbState(PlayerComponent* player_component) : PlayerState(player_component) {}
+    ~ClimbState() override = default;
+
+private:
+    void enter() override;
+    void exit() override;
+    std::unique_ptr<PlayerState> handleInput(engine::core::Context&) override;
+    std::unique_ptr<PlayerState> update(float delta_time, engine::core::Context&) override;
+};
+
+} // namespace game::component::state