From cb828d7834e906e7c347afca9db2f1c89611c6b1 Mon Sep 17 00:00:00 2001
From: David Gilbert <david.gilbert@rwth-aachen.de>
Date: Mon, 28 Sep 2020 10:33:16 +0200
Subject: [PATCH] - Added a (little hacky) way to load visualizations on editor
startup without re-initializing textures. Keep an eye on that as it might
break for various reasons.
---
.../Private/GPUInstancedLineComponent.cpp | 32 ++++++++++++++++---
.../Public/GPUInstancedLineComponent.h | 9 +++++-
2 files changed, 36 insertions(+), 5 deletions(-)
diff --git a/Source/InstancedMeshLineRendering/Private/GPUInstancedLineComponent.cpp b/Source/InstancedMeshLineRendering/Private/GPUInstancedLineComponent.cpp
index c48e285..687d43f 100644
--- a/Source/InstancedMeshLineRendering/Private/GPUInstancedLineComponent.cpp
+++ b/Source/InstancedMeshLineRendering/Private/GPUInstancedLineComponent.cpp
@@ -18,10 +18,6 @@ UGPUInstancedLineComponent::UGPUInstancedLineComponent(const FObjectInitializer&
TextureWidth = 2048;
TextureHeight = 2048;
- //PrimaryComponentTick.bCanEverTick = true;
- //bTickInEditor = true;
- //bAutoActivate = true;
-
SetWorldTransform(FTransform::Identity);
SetUsingAbsoluteLocation(true);
@@ -43,6 +39,18 @@ UGPUInstancedLineComponent::UGPUInstancedLineComponent(const FObjectInitializer&
//DynamicLineMaterial = UMaterialInstanceDynamic::Create(LineMaterialInterface, GetTransientPackage());
SetMaterial(0, DynamicLineMaterial);
SetMobility(EComponentMobility::Static);
+
+#if WITH_EDITOR
+ bAutoActivate = true;
+ PrimaryComponentTick.bCanEverTick = true;
+ bTickInEditor = true;
+ SetComponentTickEnabled(true);
+#else
+ PrimaryComponentTick.bCanEverTick = false;
+ bTickInEditor = false;
+ SetComponentTickEnabled(false);
+#endif
+
}
UGPUInstancedLineComponent::~UGPUInstancedLineComponent()
@@ -407,6 +415,22 @@ void UGPUInstancedLineComponent::OnUpdateTransform(EUpdateTransformFlags UpdateT
SetWorldTransform(FTransform::Identity);
}
+void UGPUInstancedLineComponent::TickComponent(float DeltaTime, ELevelTick TickType,
+ FActorComponentTickFunction* ThisTickFunction)
+{
+ Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
+ if(TickCount < MaxTicksUntilInit)
+ {
+ TickCount++;
+ }
+ else
+ {
+ Init();
+ bTickInEditor = false;
+ SetComponentTickEnabled(false);
+ }
+}
+
#endif
diff --git a/Source/InstancedMeshLineRendering/Public/GPUInstancedLineComponent.h b/Source/InstancedMeshLineRendering/Public/GPUInstancedLineComponent.h
index a7f01c4..2dbfe14 100644
--- a/Source/InstancedMeshLineRendering/Public/GPUInstancedLineComponent.h
+++ b/Source/InstancedMeshLineRendering/Public/GPUInstancedLineComponent.h
@@ -104,7 +104,9 @@ public:
virtual void PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChangedEvent) override;
virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override; // need this for the widget as for some godforsaken reason the Chain event doesn't fire...
// This is ABSURDLY hacky
- virtual void OnUpdateTransform(EUpdateTransformFlags UpdateTransformFlags, ETeleportType Teleport = ETeleportType::None) override;
+ virtual void OnUpdateTransform(EUpdateTransformFlags UpdateTransformFlags, ETeleportType Teleport = ETeleportType::None) override;
+
+ virtual void TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
#endif
//virtual TStructOnScope<FActorComponentInstanceData> GetComponentInstanceData() const override;
@@ -484,6 +486,11 @@ public:
UPROPERTY(Transient)
bool bIsInitialized = false;
+
+ private:
+ // hacky way to initialize components.
+ uint32 TickCount = 0;
+ uint32 MaxTicksUntilInit = 5;
};
--
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