refactor: 将SceneView拆分为Scene和Game两个独立窗口

- 新增GameViewPanel作为独立窗口
- 移除SceneViewPanel中的TabBar
- Scene和Game现在像Console/Project一样并排显示

ui/CMakeLists.txt

@@ -39,6 +39,7 @@ add_executable(${PROJECT_NAME} WIN32
     src/panels/MenuBar.cpp
     src/panels/HierarchyPanel.cpp
     src/panels/SceneViewPanel.cpp
+    src/panels/GameViewPanel.cpp
     src/panels/InspectorPanel.cpp
     src/panels/ConsolePanel.cpp
     src/panels/ProjectPanel.cpp

ui/src/Application.cpp

@@ -47,6 +47,7 @@ bool Application::Initialize(HWND hwnd) {
     m_menuBar = std::make_unique<MenuBar>();
     m_hierarchyPanel = std::make_unique<HierarchyPanel>();
     m_sceneViewPanel = std::make_unique<SceneViewPanel>();
+    m_gameViewPanel = std::make_unique<GameViewPanel>();
     m_inspectorPanel = std::make_unique<InspectorPanel>();
     m_consolePanel = std::make_unique<ConsolePanel>();
     m_projectPanel = std::make_unique<ProjectPanel>();
@@ -277,6 +278,7 @@ void Application::SetupDockspace() {
         
         ImGui::DockBuilderDockWindow("Hierarchy", dockLeft);
         ImGui::DockBuilderDockWindow("Scene", dockMain);
+        ImGui::DockBuilderDockWindow("Game", dockMain);
         ImGui::DockBuilderDockWindow("Inspector", dockRight);
         ImGui::DockBuilderDockWindow("Console", dockBottom);
         ImGui::DockBuilderDockWindow("Project", dockBottom);
@@ -292,6 +294,7 @@ void Application::RenderUI() {
     
     m_hierarchyPanel->Render();
     m_sceneViewPanel->Render();
+    m_gameViewPanel->Render();
     m_inspectorPanel->Render();
     m_consolePanel->Render();
     m_projectPanel->Render();

ui/src/Application.h

@@ -10,6 +10,7 @@
 #include "panels/MenuBar.h"
 #include "panels/HierarchyPanel.h"
 #include "panels/SceneViewPanel.h"
+#include "panels/GameViewPanel.h"
 #include "panels/InspectorPanel.h"
 #include "panels/ConsolePanel.h"
 #include "panels/ProjectPanel.h"
@@ -55,6 +56,7 @@ private:
     std::unique_ptr<MenuBar> m_menuBar;
     std::unique_ptr<HierarchyPanel> m_hierarchyPanel;
     std::unique_ptr<SceneViewPanel> m_sceneViewPanel;
+    std::unique_ptr<GameViewPanel> m_gameViewPanel;
     std::unique_ptr<InspectorPanel> m_inspectorPanel;
     std::unique_ptr<ConsolePanel> m_consolePanel;
     std::unique_ptr<ProjectPanel> m_projectPanel;

ui/src/panels/GameViewPanel.cpp

@@ -0,0 +1,31 @@
+#include "GameViewPanel.h"
+#include <imgui.h>
+#include <imgui_internal.h>
+
+namespace UI {
+
+GameViewPanel::GameViewPanel() : Panel("Game") {}
+
+void GameViewPanel::Render() {
+    ImGui::Begin(m_name.c_str(), &m_isOpen, ImGuiWindowFlags_None);
+    
+    RenderGameView();
+    
+    ImGui::End();
+}
+
+void GameViewPanel::RenderGameView() {
+    ImVec2 canvasSize = ImGui::GetContentRegionAvail();
+    ImDrawList* drawList = ImGui::GetWindowDrawList();
+    ImVec2 canvasPos = ImGui::GetCursorScreenPos();
+    
+    ImU32 bgColor = IM_COL32(20, 20, 25, 255);
+    drawList->AddRectFilled(canvasPos, ImVec2(canvasPos.x + canvasSize.x, canvasPos.y + canvasSize.y), bgColor);
+    
+    const char* text = "Game View (Press Play)";
+    ImVec2 textSize = ImGui::CalcTextSize(text);
+    ImVec2 textPos(canvasPos.x + (canvasSize.x - textSize.x) * 0.5f, canvasPos.y + (canvasSize.y - textSize.y) * 0.5f);
+    drawList->AddText(textPos, IM_COL32(128, 128, 128, 255), text);
+}
+
+}

ui/src/panels/GameViewPanel.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Panel.h"
+
+namespace UI {
+
+class GameViewPanel : public Panel {
+public:
+    GameViewPanel();
+    void Render() override;
+
+private:
+    void RenderGameView();
+};
+
+}

ui/src/panels/SceneViewPanel.cpp

@@ -9,38 +9,14 @@ SceneViewPanel::SceneViewPanel() : Panel("Scene") {}
 void SceneViewPanel::Render() {
     ImGui::Begin(m_name.c_str(), &m_isOpen, ImGuiWindowFlags_None);
     
-    if (ImGui::BeginTabBar("SceneGameTabs")) {
-        if (ImGui::BeginTabItem("Scene")) {
-            m_isSceneView = true;
-            ImVec2 canvasSize = ImGui::GetContentRegionAvail();
-            ImDrawList* drawList = ImGui::GetWindowDrawList();
-            ImVec2 canvasPos = ImGui::GetCursorScreenPos();
-            
-            ImU32 bgColor = IM_COL32(30, 30, 30, 255);
-            drawList->AddRectFilled(canvasPos, ImVec2(canvasPos.x + canvasSize.x, canvasPos.y + canvasSize.y), bgColor);
-            
-            RenderGrid();
-            
-            ImGui::EndTabItem();
-        }
-        if (ImGui::BeginTabItem("Game")) {
-            m_isSceneView = false;
-            ImVec2 canvasSize = ImGui::GetContentRegionAvail();
-            ImDrawList* drawList = ImGui::GetWindowDrawList();
-            ImVec2 canvasPos = ImGui::GetCursorScreenPos();
-            
-            ImU32 bgColor = IM_COL32(20, 20, 25, 255);
-            drawList->AddRectFilled(canvasPos, ImVec2(canvasPos.x + canvasSize.x, canvasPos.y + canvasSize.y), bgColor);
-            
-            const char* text = "Game View (Press Play)";
-            ImVec2 textSize = ImGui::CalcTextSize(text);
-            ImVec2 textPos(canvasPos.x + (canvasSize.x - textSize.x) * 0.5f, canvasPos.y + (canvasSize.y - textSize.y) * 0.5f);
-            drawList->AddText(textPos, IM_COL32(128, 128, 128, 255), text);
-            
-            ImGui::EndTabItem();
-        }
-        ImGui::EndTabBar();
-    }
+    ImVec2 canvasSize = ImGui::GetContentRegionAvail();
+    ImDrawList* drawList = ImGui::GetWindowDrawList();
+    ImVec2 canvasPos = ImGui::GetCursorScreenPos();
+    
+    ImU32 bgColor = IM_COL32(30, 30, 30, 255);
+    drawList->AddRectFilled(canvasPos, ImVec2(canvasPos.x + canvasSize.x, canvasPos.y + canvasSize.y), bgColor);
+    
+    RenderGrid();
     
     ImGui::End();
 }

ui/src/panels/SceneViewPanel.h

@@ -10,7 +10,6 @@ public:
     void Render() override;
 
 private:
-    bool m_isSceneView = true;
     void RenderGrid();
 };