atdunbg
2577809ee4
Editor toolbar gains Play/Stop (Ctrl+P) with UE semantics: - Play: serialize current scene to an in-memory YAML snapshot via new SceneSerializer::SerializeToString, switch display to kDisplayDirect (primary camera entity renders), unfreeze time (timeScale 0 -> 1) - Stop: DeserializeFromString atomically rebuilds the pre-play scene, back to kDisplayViewport (editor camera), refreeze time; selection cleared and gizmo drag reset since all entity handles dangle - SceneSerializer refactored: SerializeDoc/ParseRoot shared by file and memory variants; file Save/Load behavior unchanged - Running state disables gizmo + editor hotkeys in the viewport (input goes to game scripts), draws yellow PLAYING hint and a no-camera warning; File->Save/Load disabled while playing (UE behavior) Physics bodies/constraints/characters and script instances are reconciled automatically by the existing per-frame sync on restore.
473 lines
15 KiB
C++
473 lines
15 KiB
C++
//
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// Editor.cpp：docking 骨架实现。
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//
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// 布局方案（首帧 DockBuilder 一次，之后 imgui.ini 接管）：
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// ┌──────────────────────────────┬───────────────┐
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// │ Hierarchy │ │
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// ├──────────────────────────────┤ Inspector │
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// │ Stats │ (28%) │
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// └──────────────────────────────┴───────────────┘
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//
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#include "Editor.h"
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#include "AssetBrowserPanel.h"
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#include "HierarchyPanel.h"
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#include "InspectorPanel.h"
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#include "ViewportPanel.h"
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#include "StatsPanel.h"
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#include <Engine/Core/Log.h>
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#include <Engine/Core/Time.h>
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#include <Engine/Serialization/SceneSerializer.h>
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#include <imgui.h>
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#include <imgui_internal.h> // DockBuilder*（内部 API）
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#include <ImGuizmo.h>
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#include <GLFW/glfw3.h>
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#include <filesystem>
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using namespace Engine; // kDisplayViewport / kDisplayDirect（SceneTypes.h）
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Editor::Editor() = default;
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Editor::~Editor() = default;
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void Editor::Init(const EditorContext& ctx)
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{
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m_Ctx = ctx;
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// PIE 运行态指针：指向本对象成员（ctx 拷贝后补接，面板只读）
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m_Ctx.playState = &m_Playing;
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m_Hierarchy = std::make_unique<HierarchyPanel>();
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m_Inspector = std::make_unique<InspectorPanel>();
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m_Viewport = std::make_unique<ViewportPanel>();
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m_Stats = std::make_unique<StatsPanel>();
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m_AssetBrowser = std::make_unique<AssetBrowserPanel>();
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}
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// ---- PIE（Play-In-Editor）----
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// Play：当前场景 → 内存 YAML 快照 → 切游戏渲染（primary 相机实体）
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// → 解冻时间（物理/脚本/动画开始跑）。快照失败不进 Play（现场不动）
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void Editor::DoPlay()
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{
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if (!m_Ctx.scene || !m_Ctx.assets || !m_Ctx.renderer) return;
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m_PlaySnapshot = Serialization::SceneSerializer::SerializeToString(
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*m_Ctx.scene, *m_Ctx.assets, "PlaySnapshot");
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if (m_PlaySnapshot.empty())
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{
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ENGINE_ERROR("PIE: snapshot failed, play aborted");
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return;
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}
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m_Playing = true;
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m_Ctx.renderer->SetDisplayMode(kDisplayDirect);
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Time::SetTimeScale(1.0f);
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ENGINE_INFO("PIE: playing (scene snapshot {} bytes)",
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m_PlaySnapshot.size());
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}
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// Stop：快照原子换血恢复 → 回编辑器渲染 → 冻结时间。
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// 换血后所有 Entity 句柄悬空：清选中（描边同步清）、Gizmo 拖拽态
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// 复位。物理 body/约束/角色由对账系统随实体重建/清理，无需干预。
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// 恢复失败（快照损坏，理论罕见）也必须回编辑态，现场留给用户
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// File→Load 或退出前 Save
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void Editor::DoStop()
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{
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if (!m_Ctx.scene || !m_Ctx.assets || !m_Ctx.renderer) return;
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std::string envPath;
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if (!Serialization::SceneSerializer::DeserializeFromString(
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*m_Ctx.scene, *m_Ctx.assets, m_PlaySnapshot, envPath))
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{
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ENGINE_ERROR("PIE: snapshot restore failed (scene is now the "
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"played-out state)");
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}
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m_PlaySnapshot.clear();
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m_Playing = false;
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m_Ctx.renderer->SetDisplayMode(kDisplayViewport);
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Time::SetTimeScale(0.0f);
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SelectEntity(entt::null);
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m_Gizmo.dragging = false;
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ENGINE_INFO("PIE: stopped, editor scene restored");
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}
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void Editor::TogglePlay()
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{
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m_Playing ? DoStop() : DoPlay();
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}
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void Editor::Draw()
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{
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// ImGuizmo 每帧首调（官方约定）：内部会清 mbOverGizmoHotspot 等
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// 帧级状态——不调则 hover 过一次杆后 hotspot 永久置位，GetMoveType
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// 恒返 MT_NONE → 杆可见但永远抓不住（只能看不能拖）
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ImGuizmo::BeginFrame();
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// host 窗口：铺满主视口，承载菜单栏 + DockSpace
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ImGuiViewport* viewport = ImGui::GetMainViewport();
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ImGui::SetNextWindowPos(viewport->Pos);
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ImGui::SetNextWindowSize(viewport->Size);
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ImGui::SetNextWindowViewport(viewport->ID);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
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ImGui::Begin("##EditorDockHost", nullptr,
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ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking |
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ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse |
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ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove |
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ImGuiWindowFlags_NoBringToFrontOnFocus |
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ImGuiWindowFlags_NoNavFocus);
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ImGui::PopStyleVar(3);
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DrawMenuBar();
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DrawDockSpace();
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ImGui::End();
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// 常规面板窗口（窗口名 = docking 身份）
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if (m_ShowHierarchy) m_Hierarchy->Draw(m_Ctx, m_Selected);
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if (m_ShowInspector) m_Inspector->Draw(m_Ctx, m_Selected);
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if (m_ShowViewport)
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{
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if (auto picked = m_Viewport->Draw(m_Ctx, m_VpInput, m_Gizmo,
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m_Selected)) {
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SelectEntity(*picked); // Viewport 点击拾取 → 选中联动 Inspector/Hierarchy
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}
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}
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if (m_ShowStats) m_Stats->Draw(m_Ctx);
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if (m_ShowAssetBrowser) m_AssetBrowser->Draw(m_Ctx);
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DrawQuitModal();
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DrawSceneModals();
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}
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// 输入归属判定：ImGui 侧经自身后端链式回调永远正常收输入，这里
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// 只决定"剩余输入给不给游戏侧"。UI 被隐藏（反引号）时不会走到
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// Draw → m_VpInput 停在旧值，谓词调用方（SandboxApp）须先查
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// GetImGuiEnabled() 再问这里。
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bool Editor::BlockingKeyboard() const
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{
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const ImGuiIO& io = ImGui::GetIO();
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if (io.WantTextInput) return true; // 打字中（改名等）不让位快捷键
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// 游戏形态（Fullscreen）：WASD 全窗口生效，键盘只让位文本输入
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if (m_Ctx.renderer &&
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m_Ctx.renderer->GetDisplayMode() == kDisplayDirect)
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{
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return false;
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}
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// 编辑器形态：Viewport 面板持焦才拥有键盘（UE Scene view 语义）
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return !m_VpInput.focused;
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}
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bool Editor::BlockingMouse() const
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{
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// Gizmo 拖拽中：鼠标归操纵杆，不给游戏侧相机（松手自动恢复）
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if (m_Gizmo.dragging) return true;
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// 游戏形态：沿用 ImGui 全局判定（UI 隐藏时 WantCaptureMouse=false）
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if (m_Ctx.renderer &&
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m_Ctx.renderer->GetDisplayMode() == kDisplayDirect)
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{
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return ImGui::GetIO().WantCaptureMouse;
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}
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// 编辑器形态：悬停 Viewport 才放行（模态框遮挡时 hovered=false）
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return !m_VpInput.hovered;
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}
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void Editor::DrawMenuBar()
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{
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if (!ImGui::BeginMenuBar())
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{
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return;
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}
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// ---- PIE 工具栏（UE 主工具栏语义）：Play/Stop 切换按钮 +
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// Ctrl+P 全局热键。运行态按钮变 Stop（黄底提示在视口内）----
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{
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const ImGuiIO& io = ImGui::GetIO();
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// Ctrl+P：文本输入中（改名/路径框）不触发，防打字误切 PIE
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if (!m_Playing && io.KeyCtrl && !io.WantTextInput &&
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ImGui::IsKeyPressed(ImGuiKey_P, false))
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{
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TogglePlay();
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}
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if (m_Playing)
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{
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ImGui::PushStyleColor(ImGuiCol_Button,
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ImVec4(0.75f, 0.45f, 0.10f, 1.0f));
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered,
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ImVec4(0.85f, 0.55f, 0.15f, 1.0f));
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ImGui::PushStyleColor(ImGuiCol_ButtonActive,
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ImVec4(0.90f, 0.62f, 0.20f, 1.0f));
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if (ImGui::SmallButton("Stop (Ctrl+P)"))
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{
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TogglePlay();
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}
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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ImGui::TextColored(ImVec4(1.0f, 0.72f, 0.25f, 1.0f),
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"PLAYING - editor input disabled");
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}
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else if (ImGui::SmallButton("Play (Ctrl+P)"))
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{
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TogglePlay();
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}
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ImGui::SameLine();
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ImGui::Separator();
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}
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if (ImGui::BeginMenu("File"))
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{
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// 运行态禁存取：Save 会把"玩出来的状态"当编辑结果落盘，
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// Load 会撕掉快照恢复链（UE 运行态同样禁）
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ImGui::BeginDisabled(m_Playing);
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if (ImGui::MenuItem("Save Scene...", nullptr))
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{
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m_ShowSaveModal = true;
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}
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if (ImGui::MenuItem("Load Scene...", nullptr))
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{
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m_ShowLoadModal = true;
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}
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ImGui::EndDisabled();
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ImGui::Separator();
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if (ImGui::MenuItem("Quit", "Alt+F4"))
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{
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RequestQuit();
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}
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ImGui::EndMenu();
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}
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if (ImGui::BeginMenu("View"))
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{
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ImGui::MenuItem("Hierarchy", nullptr, &m_ShowHierarchy);
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ImGui::MenuItem("Inspector", nullptr, &m_ShowInspector);
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ImGui::MenuItem("Viewport", nullptr, &m_ShowViewport);
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ImGui::MenuItem("Stats", nullptr, &m_ShowStats);
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ImGui::MenuItem("Asset Browser", nullptr, &m_ShowAssetBrowser);
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ImGui::EndMenu();
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}
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ImGui::EndMenuBar();
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}
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void Editor::DrawDockSpace()
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{
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const ImGuiID dockspaceId = ImGui::GetID("EditorDockSpace");
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// 默认布局：仅当 dock node 不存在时构建一次
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//（imgui.ini 已保存过布局 → DockBuilderGetNode 非空 → 跳过）
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if (!m_LayoutBuilt && ImGui::DockBuilderGetNode(dockspaceId) == nullptr)
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{
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m_LayoutBuilt = true;
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ImGui::DockBuilderRemoveNode(dockspaceId);
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ImGui::DockBuilderAddNode(dockspaceId, ImGuiDockNodeFlags_DockSpace);
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ImGui::DockBuilderSetNodeSize(dockspaceId, ImGui::GetMainViewport()->Size);
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ImGuiID dockLeft = 0, dockRight = 0, dockCenter = 0, dockStats = 0;
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ImGui::DockBuilderSplitNode(dockspaceId, ImGuiDir_Left, 0.20f,
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&dockLeft, &dockCenter);
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ImGui::DockBuilderSplitNode(dockCenter, ImGuiDir_Right, 0.28f,
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&dockRight, &dockCenter);
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ImGui::DockBuilderSplitNode(dockLeft, ImGuiDir_Down, 0.38f,
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&dockStats, &dockLeft);
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ImGui::DockBuilderDockWindow("Hierarchy", dockLeft);
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ImGui::DockBuilderDockWindow("Stats", dockStats);
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ImGui::DockBuilderDockWindow("Asset Browser", dockStats);
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ImGui::DockBuilderDockWindow("Inspector", dockRight);
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ImGui::DockBuilderDockWindow("Viewport", dockCenter);
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ImGui::DockBuilderFinish(dockspaceId);
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}
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ImGui::DockSpace(dockspaceId, ImVec2(0.0f, 0.0f),
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ImGuiDockNodeFlags_None);
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}
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void Editor::DrawQuitModal()
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{
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if (m_ShowQuitConfirm)
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{
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ImGui::OpenPopup("Should quit?");
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m_ShowQuitConfirm = false;
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}
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ImGui::SetNextWindowPos(
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ImGui::GetMainViewport()->GetCenter(),
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ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
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if (ImGui::BeginPopupModal("Should quit?", nullptr,
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ImGuiWindowFlags_AlwaysAutoResize))
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{
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ImGui::TextUnformatted("Quit the application?");
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ImGui::Separator();
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if (ImGui::Button("Yes", ImVec2(120, 0)))
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{
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m_QuitConfirmed = true;
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ImGui::CloseCurrentPopup();
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}
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ImGui::SameLine();
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if (ImGui::Button("No", ImVec2(120, 0)))
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{
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ImGui::CloseCurrentPopup();
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}
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ImGui::EndPopup();
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}
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if (m_QuitConfirmed)
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{
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m_QuitConfirmed = false;
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m_Ctx.app->Close();
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}
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}
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void Editor::DrawSceneModals()
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{
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// 保存/加载共用一个路径输入（UE 同款：默认路径记住上次输入）
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if (m_ShowSaveModal)
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{
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ImGui::OpenPopup("Save Scene");
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m_ShowSaveModal = false;
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}
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if (m_ShowLoadModal)
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{
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ImGui::OpenPopup("Load Scene");
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m_ShowLoadModal = false;
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}
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ImGui::SetNextWindowPos(
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ImGui::GetMainViewport()->GetCenter(),
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ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
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if (ImGui::BeginPopupModal("Save Scene", nullptr,
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ImGuiWindowFlags_AlwaysAutoResize))
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{
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ImGui::TextUnformatted("Scene file path (relative to working dir):");
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ImGui::SetNextItemWidth(400.0f);
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ImGui::InputText("##SavePath", m_ScenePathBuf, sizeof(m_ScenePathBuf));
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ImGui::Separator();
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if (ImGui::Button("Save", ImVec2(120, 0)))
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{
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DoSaveScene();
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ImGui::CloseCurrentPopup();
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}
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ImGui::SameLine();
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if (ImGui::Button("Cancel", ImVec2(120, 0)))
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{
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ImGui::CloseCurrentPopup();
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}
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ImGui::EndPopup();
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}
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if (ImGui::BeginPopupModal("Load Scene", nullptr,
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ImGuiWindowFlags_AlwaysAutoResize))
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{
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ImGui::TextUnformatted("Scene file path (relative to working dir):");
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ImGui::SetNextItemWidth(400.0f);
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ImGui::InputText("##LoadPath", m_ScenePathBuf, sizeof(m_ScenePathBuf));
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ImGui::Separator();
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if (ImGui::Button("Load", ImVec2(120, 0)))
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{
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DoLoadScene();
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ImGui::CloseCurrentPopup();
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}
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ImGui::SameLine();
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if (ImGui::Button("Cancel", ImVec2(120, 0)))
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{
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ImGui::CloseCurrentPopup();
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}
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ImGui::EndPopup();
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}
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}
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void Editor::DoSaveScene()
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{
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const std::string path = m_ScenePathBuf;
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if (path.empty() || !m_Ctx.scene || !m_Ctx.assets)
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{
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return;
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}
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// scenes/ 目录不存在时自动创建（空父目录/已存在均合法）
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std::error_code ec;
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std::filesystem::create_directories(
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std::filesystem::path(path).parent_path(), ec);
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// 环境路径：引擎序列化器只认字符串，查表由编辑器侧负责
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std::string envPath;
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if (m_Ctx.getEnvIndex)
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{
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const int idx = m_Ctx.getEnvIndex();
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if (idx >= 0 && idx < kEnvCount) envPath = kEnvPaths[idx];
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}
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if (Serialization::SceneSerializer::Serialize(*m_Ctx.scene, *m_Ctx.assets,
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path, envPath))
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{
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ENGINE_INFO("Editor: scene saved to '{}'", path);
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}
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else
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{
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ENGINE_ERROR("Editor: failed to save scene to '{}'", path);
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}
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}
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void Editor::DoLoadScene()
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{
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const std::string path = m_ScenePathBuf;
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if (path.empty() || !m_Ctx.scene || !m_Ctx.assets)
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{
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return;
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}
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std::string envPath;
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if (!Serialization::SceneSerializer::Deserialize(*m_Ctx.scene,
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*m_Ctx.assets, path,
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envPath))
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{
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ENGINE_ERROR("Editor: failed to load scene '{}'", path);
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return;
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}
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ENGINE_INFO("Editor: scene loaded from '{}'", path);
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// 旧实体已销毁：清选中（连带清描边，见 SelectEntity）
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SelectEntity(entt::null);
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// 环境恢复：场景带环境且命中环境表才切换（镜像 StatsPanel 同步路径）
|
||
if (!envPath.empty() && m_Ctx.getEnvIndex && m_Ctx.setEnvIndex)
|
||
{
|
||
int found = -1;
|
||
for (int i = 0; i < kEnvCount; ++i)
|
||
{
|
||
if (envPath == kEnvPaths[i]) { found = i; break; }
|
||
}
|
||
if (found >= 0)
|
||
{
|
||
m_Ctx.setEnvIndex(found);
|
||
const auto env = m_Ctx.assets->LoadEnvironment(kEnvPaths[found]);
|
||
if (env.Valid())
|
||
{
|
||
m_Ctx.renderer->SetEnvironment(
|
||
m_Ctx.assets->GetEnvironment(env));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ENGINE_WARN("Editor: scene env '{}' not in env table, "
|
||
"keeping current", envPath);
|
||
}
|
||
}
|
||
}
|