From c0d67926c47b1eea7fc95f1517db015a8d577961 Mon Sep 17 00:00:00 2001
From: zhenyan121 <3367366583@qq.com>
Date: Sat, 6 Dec 2025 10:25:14 +0800
Subject: [PATCH] Add Scene Base Class

---
 src/scenes/base/Scene.h          | 20 ++++++++++++++++++++
 src/scenes/base/SceneManager.cpp | 11 +++++++++++
 src/scenes/base/SceneManager.h   | 22 ++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 src/scenes/base/Scene.h
 create mode 100644 src/scenes/base/SceneManager.cpp
 create mode 100644 src/scenes/base/SceneManager.h

diff --git a/src/scenes/base/Scene.h b/src/scenes/base/Scene.h
new file mode 100644
index 0000000..e08dc84
--- /dev/null
+++ b/src/scenes/base/Scene.h
@@ -0,0 +1,20 @@
+// ui/Scene.h - 场景基类
+#pragma once
+#include <SDL3/SDL.h>
+
+
+
+
+class Scene {
+public:
+    virtual ~Scene() = default;
+
+    // 空实现，可选择性重写
+    virtual void onEnter(){};
+    virtual void onExit(){};
+
+    virtual void update() = 0;
+    virtual void render(SDL_Renderer* renderer) = 0;
+
+};
+
diff --git a/src/scenes/base/SceneManager.cpp b/src/scenes/base/SceneManager.cpp
new file mode 100644
index 0000000..9d33ebe
--- /dev/null
+++ b/src/scenes/base/SceneManager.cpp
@@ -0,0 +1,11 @@
+#include "SceneManager.h"
+
+SceneManager::SceneManager() {
+
+}
+
+SceneManager::~SceneManager() {
+    while (!m_scenes.empty()) {
+        m_scenes.pop();
+    }
+}
\ No newline at end of file
diff --git a/src/scenes/base/SceneManager.h b/src/scenes/base/SceneManager.h
new file mode 100644
index 0000000..03e42e9
--- /dev/null
+++ b/src/scenes/base/SceneManager.h
@@ -0,0 +1,22 @@
+#pragma once
+#include "Scene.h"
+#include <string>
+#include <stack>
+#include <memory>
+#include <unordered_map>
+class SceneManager {
+public:
+    SceneManager();
+    ~SceneManager();
+
+    void PushScene(const std::string& sceneName, std::unique_ptr<Scene> scene);
+    void PopScene();
+    void ChangeScene(const std::string& sceneName, std::unique_ptr<Scene> scene);
+
+
+
+private:
+    // 用栈的形式来存储场景
+    std::stack<std::unique_ptr<Scene>> m_scenes;
+    std::unordered_map<std::string, std::unique_ptr<Scene>> m_sceneCache;
+};
\ No newline at end of file