完成关卡切换-共享游戏数据

src/game/scene/game_scene.cpp

@@ -20,14 +20,20 @@
 #include "../component/ai/patrol_behavior.h"
 #include "../component/ai/updown_behavior.h"
 #include "../component/ai/jump_behavior.h"
+#include "../data/session_data.h"
 #include <spdlog/spdlog.h>
 #include <SDL3/SDL_rect.h>
 
 namespace game::scene {
 
-// 构造函数：调用基类构造函数
-GameScene::GameScene(const std::string& name, engine::core::Context& context, engine::scene::SceneManager& scene_manager)
-    : Scene(name, context, scene_manager) {
+GameScene::GameScene(engine::core::Context& context, 
+                     engine::scene::SceneManager& scene_manager,
+                     std::shared_ptr<game::data::SessionData> data)
+    : Scene("GameScene", context, scene_manager), game_session_data_(std::move(data)) {
+    if (!game_session_data_) {      // 如果没有传入SessionData，则创建一个默认的
+        game_session_data_ = std::make_shared<game::data::SessionData>();
+        spdlog::info("未提供 SessionData，使用默认值。");
+    }
     spdlog::trace("GameScene 构造完成。");
 }
 
@@ -76,6 +82,7 @@ void GameScene::render() {
 
 void GameScene::handleInput() {
     Scene::handleInput();
+    testSaveAndLoad();
 }
 
 void GameScene::clean() {
@@ -86,7 +93,7 @@ bool GameScene::initLevel()
 {
     // 加载关卡（level_loader通常加载完成后即可销毁，因此不存为成员变量）
     engine::scene::LevelLoader level_loader;
-    auto level_path = levelNameToPath(scene_name_);
+    auto level_path = game_session_data_->getMapPath();
     if (!level_loader.loadLevel(level_path, *this)){
         spdlog::error("关卡加载失败");
         return false;
@@ -227,7 +234,7 @@ void GameScene::handleTileTriggers()
         if (tile_type == engine::component::TileType::HAZARD) {
             // 玩家碰到到危险瓦片，受伤
             if (obj->getName() == "player") {       
-                obj->getComponent<game::component::PlayerComponent>()->takeDamage(1);
+                handlePlayerDamage(1);
                 spdlog::debug("玩家 {} 受到了 HAZARD 瓦片伤害", obj->getName());
             } 
             // TODO: 其他对象类型的处理，目前让敌人无视瓦片伤害
@@ -235,6 +242,20 @@ void GameScene::handleTileTriggers()
     }
 }
 
+void GameScene::handlePlayerDamage(int damage)
+{
+    auto player_component = player_->getComponent<game::component::PlayerComponent>();
+    if (!player_component->takeDamage(damage)) { // 没有受伤，直接返回
+        return;
+    }
+    if (player_component->isDead()) {
+        spdlog::info("玩家 {} 死亡", player_->getName());
+        // TODO: 可能的死亡逻辑处理
+    }
+    // 更新游戏数据(生命值)
+    game_session_data_->setCurrentHealth(player_component->getHealthComponent()->getCurrentHealth());
+}
+
 void GameScene::playerVSEnemyCollision(engine::object::GameObject *player, engine::object::GameObject *enemy)
 {
     // --- 踩踏判断逻辑：1. 玩家中心点在敌人上方    2. 重叠区域：overlap.x > overlap.y
@@ -262,12 +283,13 @@ void GameScene::playerVSEnemyCollision(engine::object::GameObject *player, engin
         player->getComponent<engine::component::PhysicsComponent>()->velocity_.y = -300.0f;  // 向上跳起
         // 播放音效 (此音效完全可以放在玩家的音频组件中，这里示例另一种用法：直接用AudioPlayer播放，传入文件路径)
         context_.getAudioPlayer().playSound("assets/audio/punch2a.mp3");
+        // 加分
+        game_session_data_->addScore(10);
     }
     // 踩踏判断失败，玩家受伤
     else {
         spdlog::info("敌人 {} 对玩家 {} 造成伤害", enemy->getName(), player->getName());
-        player->getComponent<game::component::PlayerComponent>()->takeDamage(1);
-        // TODO: 其他受伤逻辑
+        handlePlayerDamage(1);
     }
 }
 
@@ -276,7 +298,7 @@ void GameScene::playerVSItemCollision(engine::object::GameObject * player, engin
     if (item->getName() == "fruit") {
         player->getComponent<engine::component::HealthComponent>()->heal(1);  // 加血
     } else if (item->getName() == "gem") {
-        //TODO: 加分
+        game_session_data_->addScore(5);
     }
     item->setNeedRemove(true);  // 标记道具为待删除状态
     auto item_aabb = item->getComponent<engine::component::ColliderComponent>()->getWorldAABB();
@@ -287,7 +309,9 @@ void GameScene::playerVSItemCollision(engine::object::GameObject * player, engin
 void GameScene::toNextLevel(engine::object::GameObject *trigger)
 {
     auto scene_name = trigger->getName();
-    auto next_scene = std::make_unique<game::scene::GameScene>(scene_name, context_, scene_manager_);
+    auto map_path = levelNameToPath(scene_name);
+    game_session_data_->setNextLevel(map_path);     // 设置下一个关卡信息
+    auto next_scene = std::make_unique<game::scene::GameScene>(context_, scene_manager_, game_session_data_);
     scene_manager_.requestReplaceScene(std::move(next_scene));
 }
 
@@ -327,4 +351,17 @@ void GameScene::createEffect(const glm::vec2& center_pos, const std::string &tag
     spdlog::debug("创建特效: {}", tag);
 }
 
+void GameScene::testSaveAndLoad()
+{
+    auto input_manager = context_.getInputManager();
+    if (input_manager.isActionPressed("attack")) {
+        game_session_data_->saveToFile("assets/save.json");
+    }
+    if (input_manager.isActionPressed("pause")) {
+        game_session_data_->loadFromFile("assets/save.json");
+        spdlog::info("当前生命值: {}", game_session_data_->getCurrentHealth());
+        spdlog::info("当前得分: {}", game_session_data_->getCurrentScore());
+    }   
+}
+
 } // namespace game::scene