feat: move rendering to an imgui window

lightkeeper/include/Lightkeeper.h

@@ -27,7 +27,8 @@ public:
     void customCleanup() override;
     void customFixedUpdate(float dt) override;
 
-    void onWindowResize(int newWidth, int newHeight) override;
+    void onViewportResize(int newWidth, int newHeight) override;
+    void drawViewportOverlay() override;
     void customWindowsMenu() override;
     void onPlayModeChanged(bool nowPlaying) override;
 
@@ -42,7 +43,6 @@ private:
     void updateDebugUi();
     void drawDebugMenuBar();
     void drawWindowMenu();
-    void drawSelectionGizmo();
     void drawTestWindow();
     void spawnBall();
     void saveCurrentScene();

lightkeeper/src/Lightkeeper.cpp

@@ -166,6 +166,7 @@ void LightKeeper::customDraw()
             .clearColor = {{0.f, 0.f, 0.5f, 1.f}},
             .drawImageBlitRect = glm::ivec4{},
             .imguiPass = &imguiPass,
+            .copyDrawImageToSwapchain = !usesEditorViewport(),
         });
 }
 
@@ -204,9 +205,8 @@ void LightKeeper::onPlayModeChanged(bool nowPlaying)
     }
 }
 
-void LightKeeper::onWindowResize(int newWidth, int newHeight)
+void LightKeeper::onViewportResize(int newWidth, int newHeight)
 {
-    renderer.resize(gfxDevice, glm::ivec2{newWidth, newHeight});
     const float aspectRatio = static_cast<float>(newWidth) / static_cast<float>(newHeight);
     camera.setAspectRatio(aspectRatio);
 }

lightkeeper/src/LightkeeperDebugUi.cpp

@@ -54,7 +54,11 @@ void LightKeeper::updateDebugUi()
 
     drawDebugMenuBar();
     if (showTransformGizmo && !isPlayerViewActive()) {
-        drawSelectionGizmo();
+        GameObject* selected = SceneManager::GetInstance().GetCurrentScene().GetSelectedObject();
+        if (selected != nullptr && !RectGizmo::CanManipulate(*selected)) {
+            transformGizmo.HandleShortcuts();
+            transformGizmo.DrawToolbar();
+        }
     }
     if (showTestWindow) {
         drawTestWindow();
@@ -183,22 +187,31 @@ void LightKeeper::drawDebugMenuBar()
     ImGui::EndMainMenuBar();
 }
 
-void LightKeeper::drawSelectionGizmo()
+void LightKeeper::drawViewportOverlay()
 {
+    if (!showTransformGizmo || isPlayerViewActive()) {
+        return;
+    }
     GameObject* selected = SceneManager::GetInstance().GetCurrentScene().GetSelectedObject();
     if (selected == nullptr) {
         return;
     }
 
+    const ViewportRect& view = getViewportRect();
     if (RectGizmo::CanManipulate(*selected)) {
         const VkExtent3D extent = renderer.getDrawImage().extent;
-        rectGizmo.Manipulate(*selected, glm::vec2{static_cast<float>(extent.width), static_cast<float>(extent.height)});
+        rectGizmo.Manipulate(*selected, glm::vec2{static_cast<float>(extent.width), static_cast<float>(extent.height)},
+                             view.min, view.size);
+        if (rectGizmo.IsInteracting()) {
+            claimViewportMouse();
+        }
         return;
     }
 
-    transformGizmo.HandleShortcuts();
-    transformGizmo.DrawToolbar();
-    transformGizmo.Manipulate(*selected, getViewCamera());
+    transformGizmo.Manipulate(*selected, getViewCamera(), view.min, view.size);
+    if (transformGizmo.IsOver() || transformGizmo.IsUsing()) {
+        claimViewportMouse();
+    }
 }
 
 void LightKeeper::drawWindowMenu()