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# XCEditor
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`editor/` 是 XCEngine 当前随仓库维护的桌面编辑器模块。它不是第二套独立渲染器,而是 `D3D12` 宿主应用,用来承接引擎 `Rendering + RHI + Scene + Scripting` 主链。
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如果你想了解整个工作区,先看仓库根目录的 [README.md](../README.md);如果你要直接改 editor 或相关引擎接线,再看 [AGENT.md](../AGENT.md)。
## 当前能力
- Scene / Game viewport 离屏渲染接入
- object-id picking 与选中描边
- scene overlay / gizmo 正规化收口
- 项目根目录解析与 `Project.xcproject` 加载
- `Assets + .meta + Library` 风格项目目录接入
- `ScriptComponent` 的脚本类与字段编辑入口
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- 项目脚本程序集重建与运行时重载入口
## 当前定位
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理解当前 editor推荐把它拆成四层
1. `Win32 + D3D12` 宿主窗口与 ImGui backend
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2. `ViewportHostService` 以及 Scene View helper 对引擎渲染链路的接线
3. `panels/``Managers/``ComponentEditors/` 这些编辑器业务层
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4. `Scripting/` 对项目脚本程序集和运行时状态的桥接
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当前不要再把 editor 当成“旧式 UI sample”。它已经是引擎工作区的正式入口之一。
## 构建
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推荐始终在仓库根目录构建,而不是单独进入 `editor/` 目录。
### 前置要求
- Windows 10/11
- Visual Studio 2022 / MSVC v143
- CMake 3.15+
- Vulkan SDK
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如果要启用 Mono 脚本运行时,还需要:
- .NET SDK
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- `参考/Fermion/Fermion/external/mono` 下可用的 Mono 依赖
### 配置
```bash
cmake -S . -B build -A x64
```
如果本地暂时没有 Mono可以先关闭
```bash
cmake -S . -B build -A x64 -DXCENGINE_ENABLE_MONO_SCRIPTING=OFF
```
### 构建 editor
```bash
cmake --build build --config Debug --target XCEditor
```
说明:
- target 名称是 `XCEditor`
- 输出文件名仍然是 `XCEngine.exe`
- 输出目录是 `editor/bin/<Config>/`
## 运行
```bash
.\editor\bin\Debug\XCEngine.exe
```
默认情况下editor 会自动把仓库内的 `project/` 识别为工程根目录。也可以显式指定工程:
```bash
.\editor\bin\Debug\XCEngine.exe --project D:\Path\To\Project
```
如果需要 C# 脚本类发现与 Inspector 字段编辑,先构建:
```bash
cmake --build build --config Debug --target xcengine_project_managed_assemblies
```
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成功重建后,项目脚本程序集目录通常应包含:
- `project/Library/ScriptAssemblies/XCEngine.ScriptCore.dll`
- `project/Library/ScriptAssemblies/GameScripts.dll`
- `project/Library/ScriptAssemblies/mscorlib.dll`
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当前工作树如果暂时缺少 `XCEngine.ScriptCore.dll`,通常说明项目脚本程序集还没有按最新状态完成重建,而不是 editor 只需要两个程序集。
## 当前目录结构
```text
editor/
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|- CMakeLists.txt
|- README.md
|- bin/ # 输出目录,产物名仍为 XCEngine.exe
|- resources/
| `- Icons/
`- src/
|- Actions/ # 编辑器动作路由
|- Commands/ # 命令与实体操作
|- ComponentEditors/ # Inspector 组件编辑器
|- Core/ # 生命周期、日志、项目根解析、撤销、play session
|- Layers/ # EditorLayer 等高层组装
|- Layout/
|- Managers/ # SceneManager / ProjectManager / SelectionManager
|- panels/
| |- ConsolePanel.cpp
| |- ConsolePanel.h
| |- GameViewPanel.cpp
| |- GameViewPanel.h
| |- HierarchyPanel.cpp
| |- HierarchyPanel.h
| |- InspectorPanel.cpp
| |- InspectorPanel.h
| |- MenuBar.cpp
| |- MenuBar.h
| |- Panel.cpp
| |- Panel.h
| |- PanelCollection.h
| |- ProjectPanel.cpp
| |- ProjectPanel.h
| |- SceneViewPanel.cpp
| |- SceneViewPanel.h
| `- ViewportPanelContent.h
|- Platform/ # Win32 host、D3D12 backend 辅助
|- Scripting/ # 项目脚本程序集构建与运行时状态
|- UI/ # ImGui bridge 与通用 widget
|- Utils/
|- Viewport/
| |- Passes/
| | |- SceneViewportEditorOverlayPass.*
| | |- SceneViewportGridPass.*
| | `- SceneViewportSelectionOutlinePass.*
| |- IViewportHostService.h
| |- SceneViewportCameraController.h
| |- SceneViewportChrome.*
| |- SceneViewportEditorModes.h
| |- SceneViewportEditorOverlayData.h
| |- SceneViewportHudOverlay.*
| |- SceneViewportInteractionActions.*
| |- SceneViewportInteractionFrame.h
| |- SceneViewportInteractionResolver.*
| |- SceneViewportMath.h
| |- SceneViewportMoveGizmo.*
| |- SceneViewportNavigation.h
| |- SceneViewportOrientationGizmo.*
| |- SceneViewportOverlayBuilder.*
| |- SceneViewportOverlayFrameCache.*
| |- SceneViewportOverlayHandleBuilder.h
| |- SceneViewportOverlayHitTester.h
| |- SceneViewportOverlayProviders.*
| |- SceneViewportOverlaySpriteResources.*
| |- SceneViewportPassSpecs.h
| |- SceneViewportPicker.*
| |- SceneViewportRenderPlan.h
| |- SceneViewportResourcePaths.h
| |- SceneViewportRotateGizmo.*
| |- SceneViewportScaleGizmo.*
| |- SceneViewportShaderPaths.h # 兼容 include真实 owner 已转到 ResourcePaths
| |- SceneViewportTransformGizmoCoordinator.*
| |- SceneViewportTransformGizmoFrameBuilder.h
| |- ViewportHostRenderFlowUtils.h
| |- ViewportHostRenderTargets.h
| |- ViewportHostService.h
| |- ViewportHostSurfaceUtils.h
| `- ViewportObjectIdPicker.h
|- Application.cpp
|- Application.h
|- EditorApp.rc
|- EditorResources.h
|- Theme.cpp
|- Theme.h
`- main.cpp
```
## 关键模块
### Application
- `src/Application.cpp`
- `src/Application.h`
负责:
- editor 初始化与关闭
- resource root 设置
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- scripting runtime 初始化与重载
- ImGui backend 初始化
- `ViewportHostService` 接线
### Project Root
- `src/Core/ProjectRootResolver.h`
- `src/Utils/ProjectFileUtils.h`
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- `src/Managers/ProjectManager.*`
负责:
- 自动识别仓库内 `project/`
- 解析 `--project`
- 读写 `Project.xcproject`
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- 当前 Project 面板目录与资源操作
### Viewport
- `src/Viewport/ViewportHostService.h`
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- `src/Viewport/SceneViewportChrome.h`
- `src/Viewport/SceneViewportInteractionFrame.h`
- `src/Viewport/SceneViewportNavigation.h`
- `src/Viewport/SceneViewportTransformGizmoCoordinator.h`
- `src/Viewport/SceneViewportRenderPlan.h`
- `src/Viewport/SceneViewportOverlayBuilder.*`
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- `src/Viewport/SceneViewportOverlaySpriteResources.*`
- `src/Viewport/SceneViewportResourcePaths.h`
- `src/Viewport/Passes/SceneViewportEditorOverlayPass.*`
负责:
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- 组装 Scene / Game viewport 渲染请求
- 把 editor overlay 接入 `CameraRenderRequest::overlayPasses`
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- 处理 Scene View 的工具切换、hover / click 解析与导航输入
- 维护 gizmo overlay state、handle hit-test、HUD overlay、sprite 资源缓存与 presentation 刷新
- 提供 object-id picking、outline、grid 等 editor 视口能力
### Panels
当前主要面板:
- `HierarchyPanel`
- `SceneViewPanel`
- `GameViewPanel`
- `InspectorPanel`
- `ProjectPanel`
- `ConsolePanel`
### Component Editors
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`ComponentEditors/` 不只负责基础组件,也已经包含:
- `MeshFilterComponentEditor`
- `MeshRendererComponentEditor`
- `ScriptComponentEditor`
- `AssetReferenceEditorUtils`
### Scripting
- `src/Scripting/EditorScriptAssemblyBuilder.*`
- `src/Scripting/EditorScriptAssemblyBuilderUtils.h`
- `src/Scripting/EditorScriptRuntimeStatus.h`
负责:
- 从项目脚本资产构建程序集
- 汇报脚本运行时状态
- 为 Inspector / 菜单动作提供“能否重建脚本程序集”的判断依据
## 开发约束
- editor 是宿主,不是第二套 renderer。
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- 新的世界空间 overlay / gizmo不应继续堆到旧的 ImGui world draw 路径。
- viewport 相关问题优先检查 `engine/Rendering``RenderSurface``ViewportHostService` 的接线,而不是直接在 panel 里复制渲染逻辑。
- 与项目资源、脚本程序集、`.meta``Library` 相关的问题,不要假设 editor 仍处于“无工程状态”的旧结构。
## 推荐验证
```bash
cmake --build build --config Debug --target editor_tests
cmake --build build --config Debug --target rendering_phase_regression
```
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如果改动影响脚本类发现、脚本程序集重建或 Inspector 脚本字段编辑,再补:
```bash
cmake --build build --config Debug --target xcengine_project_managed_assemblies
cmake --build build --config Debug --target scripting_tests
```