feat: add imguizmo + trigger buxfix

lightkeeper/src/Lightkeeper.cpp

@@ -33,6 +33,7 @@ void LightKeeper::customInit()
     const float aspectRatio = static_cast<float>(m_params.renderSize.x) / static_cast<float>(m_params.renderSize.y);
     camera.setAspectRatio(aspectRatio);
     camera.SetRotation(glm::radians(glm::vec2(90.f, 0.f)));
+    window.Maximize();
 
     setupSkybox();
 
@@ -44,6 +45,7 @@ void LightKeeper::customInit()
 
     hudFont = Font::LoadFromFile(AssetFS::GetInstance().GetFullPath("engine://fonts/Roboto-Medium.ttf"));
     hudFont.Upload(gfxDevice, resources);
+
 }
 
 void LightKeeper::setupSkybox()
@@ -62,6 +64,8 @@ void LightKeeper::setupSkybox()
 
 void LightKeeper::customUpdate(float dt)
 {
+    updateViewMode();
+
     // LightKeeper owns a camera that hides App::camera; update this instance
     // after SDL events have been consumed.
     if (!isPlayerViewActive() && getSceneCamera() == nullptr)
@@ -79,6 +83,45 @@ void LightKeeper::customUpdate(float dt)
     updateDebugUi();
 }
 
+void LightKeeper::updateViewMode()
+{
+    auto& input = InputManager::GetInstance();
+    FirstPersonController* player = mainScene.playerController;
+
+    if (player != nullptr && input.WasKeyPressed(SDL_SCANCODE_F5))
+    {
+        player->SetPossessed(!player->IsPossessed());
+    }
+
+    if (!isPlayerViewActive())
+    {
+        const bool looking = input.IsMouseDown(SDL_BUTTON_RIGHT);
+        if (looking != input.IsMouseCaptured())
+        {
+            input.SetMouseCaptured(looking);
+        }
+    }
+}
+
+void LightKeeper::drawViewModeHint()
+{
+    if (isPlayerViewActive() || mainScene.playerController == nullptr) {
+        return;
+    }
+
+    constexpr std::string_view hint = "Free camera   RMB look   WASD / Q E move   F5 play";
+    constexpr float hintSize = 18.0f;
+    const VkExtent3D extent = renderer.getDrawImage().extent;
+    const glm::vec2 hintExtent = hudFont.MeasureText(hint, hintSize);
+
+    Renderer2D::GetInstance().DrawText(
+        hudFont,
+        hint,
+        {16.0f, static_cast<float>(extent.height) - hintExtent.y - 12.0f},
+        hintSize,
+        TextStyle{.color = {1.0f, 1.0f, 1.0f, 0.85f}, .outline = 2.0f, .outlineColor = {0.0f, 0.0f, 0.0f, 0.6f}});
+}
+
 void LightKeeper::drawCrosshair()
 {
     if (!isPlayerViewActive()) {
@@ -114,7 +157,7 @@ void LightKeeper::drawCrosshair()
 
 bool LightKeeper::isPlayerViewActive() const
 {
-    return mainScene.playerController != nullptr && mainScene.playerController->IsMouseCaptured();
+    return mainScene.playerController != nullptr && mainScene.playerController->IsPossessed();
 }
 
 CameraComponent* LightKeeper::getSceneCamera() const
@@ -126,6 +169,12 @@ CameraComponent* LightKeeper::getSceneCamera() const
     return activeScenes.front()->GetCurrentCamera();
 }
 
+Camera& LightKeeper::getViewCamera()
+{
+    CameraComponent* sceneCamera = isPlayerViewActive() ? nullptr : getSceneCamera();
+    return sceneCamera != nullptr ? sceneCamera->GetCamera(camera.GetAspectRatio()) : camera;
+}
+
 void LightKeeper::customDraw()
 {
     const auto cmd = gfxDevice.beginFrame();
@@ -136,6 +185,7 @@ void LightKeeper::customDraw()
     renderer.beginDrawing(gfxDevice);
     submitDebugDraws();
     drawCrosshair();
+    drawViewModeHint();
 
     if (isPlayerViewActive())
     {
@@ -145,8 +195,7 @@ void LightKeeper::customDraw()
         camera.CalculateProjectionMatrix();
     }
 
-    CameraComponent* sceneCamera = isPlayerViewActive() ? nullptr : getSceneCamera();
-    Camera& viewCamera = sceneCamera != nullptr ? sceneCamera->GetCamera(camera.GetAspectRatio()) : camera;
+    Camera& viewCamera = getViewCamera();
 
     const SceneEnvironment& environment = SceneManager::GetInstance().GetCurrentScene().GetEnvironment();
     const GameRenderer::SceneData sceneData{