完成动画组件与动画载入

src/game/component/state/fall_state.cpp

@@ -11,7 +11,7 @@
 namespace game::component::state {
 
 void FallState::enter() {
-
+    playAnimation("fall");  // 播放下落动画
 }
 
 void FallState::exit() {

src/game/component/state/idle_state.cpp

@@ -11,7 +11,7 @@
 namespace game::component::state {
 
 void IdleState::enter() {
-
+    playAnimation("idle");  // 播放待机动画
 }
 
 void IdleState::exit() {

src/game/component/state/jump_state.cpp

@@ -13,6 +13,7 @@
 namespace game::component::state {
 
 void JumpState::enter() {
+    playAnimation("jump");  // 播放跳跃动画
     auto physics_component = player_component_->getPhysicsComponent();
     physics_component->velocity_.y = -player_component_->getJumpForce(); // 向上跳跃
     spdlog::debug("PlayerComponent 进入 JumpState，设置初始垂直速度为: {}", physics_component->velocity_.y);

src/game/component/state/player_state.cpp

@@ -0,0 +1,25 @@
+#include "player_state.h"
+#include "../player_component.h"
+#include "../../../engine/component/animation_component.h"
+#include "../../../engine/object/game_object.h"
+#include <spdlog/spdlog.h>
+
+namespace game::component::state {
+
+void PlayerState::playAnimation(const std::string& animation_name) {
+    if (!player_component_) {
+        spdlog::error("PlayerState 没有关联的 PlayerComponent，无法播放动画 '{}'", animation_name);
+        return;
+    }
+    
+    auto animation_component = player_component_->getAnimationComponent();
+    if (!animation_component) {
+        spdlog::error("PlayerComponent '{}' 没有 AnimationComponent，无法播放动画 '{}'", 
+                      player_component_->getOwner()->getName(), animation_name);
+        return;
+    }
+
+    animation_component->playAnimation(animation_name);
+}
+
+} // namespace game::component::state

src/game/component/state/player_state.h

@@ -30,6 +30,8 @@ public:
     PlayerState(PlayerState&&) = delete;
     PlayerState& operator=(PlayerState&&) = delete;
 
+    void playAnimation(const std::string& animation_name);      ///< @brief 播放指定名称的动画，使用 AnimationComponent 的方法
+
 protected:
     // 核心状态方法
     virtual void enter() = 0;       ///< @brief 进入

src/game/component/state/walk_state.cpp

@@ -14,7 +14,7 @@
 namespace game::component::state {
 
 void WalkState::enter() {
-
+    playAnimation("walk");  // 播放步行动画
 }
 
 void WalkState::exit() {