vault backup: 2025-06-25 23:40:45

03-UnrealEngine/Rendering/RenderFeature/ShaderWorldPlugin/ShaderWorld.md

@@ -154,6 +154,63 @@ void AShaderWorldActor::ReadbacksManagement()
 ```
 
 ### CollisionManagement()
+```c++
+void AShaderWorldActor::CollisionManagement(float& DeltaT)
+{
+	SCOPED_NAMED_EVENT_TEXT("AShaderWorldActor::CollisionManagement", FColor::Magenta);
+	SW_FCT_CYCLE()
+
+	/*
+	 * Can we execute compute shader?
+	 * Do we need to rebuild collision?
+	 * Did ShaderWorld toggled collision generation On/Off?
+	 * Are we pending a full rebuild of the Shader World?
+	 */
+	if (!SetupCollisions())
+		return;
+
+	/*
+	 * Using collision updates, update Collision meshes
+	 */
+	if (!CollisionFinalizeWork())
+		return;
+
+	if (CollisionProcess.IsFenceComplete())
+	{
+		/*
+		 * Convert Compute shader results to actionable collision updates
+		 */
+		if (!CollisionPreprocessGPU())
+		{
+			CollisionProcess.BeginFence(true);
+			return;
+		}
+	}
+
+	/*
+	 * Process GPU work queue by launching GPU tasks to evaluate the collision of new tiles
+	 */
+	CollisionGPU();
+
+	// Timer
+	{
+		CollisionUpdateTimeAcu += DeltaT;
+
+		if (CollisionUpdateTimeAcu <= 1.f / 10.f || CollisionWorkQueue.Num() > 0 || !CollisionProcess.IsFenceComplete())
+			return;
+
+		CollisionUpdateTimeAcu = 0.f;
+	}
+
+	/*
+	 * Gather relevant collision tiles
+	 * If an old tile is not relevant anymore, release it.
+	 * If a new location needs to be computed: allocate a tile and add its relevant computation work to the GPU work queue
+	 */
+	CollisionCPU();
+}
+```
+#### SetupCollisions()
 
 ### SpawnablesManagement()