81 lines
3.2 KiB
Ucode
81 lines
3.2 KiB
Ucode
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/**
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* FracturedSkinnedMeshComponent.uc - Uses skinning to draw detached parts with as few sections as possible.
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class FracturedSkinnedMeshComponent extends FracturedBaseComponent
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native(Mesh);
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/* Render resources used by this component, and whose release progress is tracked by the FRenderCommandFence in FracturedBaseComponent. */
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var protected{protected} const native transient pointer ComponentSkinResources{class FFracturedSkinResources};
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/* A transform for each fragment, used to skin vertices from each fragment into position while minimizing draw calls. */
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var protected{protected} transient const array<Matrix> FragmentTransforms;
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/* An array of components whose visibility information will be used. */
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var protected{protected} transient const array<FracturedStaticMeshComponent> DependentComponents;
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/* TRUE when at least one fragment is unhidden after visibility is reset. */
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var protected{protected} transient const bool bBecameVisible;
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/** TRUE if fragment transforms have changed and the GPU should be refreshed */
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var protected{protected} transient const bool bFragmentTransformsChanged;
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cpptext
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{
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public:
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//UPrimitiveComponent
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virtual void UpdateBounds();
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virtual FPrimitiveSceneProxy* CreateSceneProxy();
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virtual UBOOL ShouldRecreateProxyOnUpdateTransform() const;
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/* Sets the visiblity of a single fragment, and starts a deferred reattach if visiblity changed. */
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void SetFragmentVisibility(INT FragmentIndex, UBOOL bVisibility);
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/* Updates the transform of a single fragment. */
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void SetFragmentTransform(INT FragmentIndex, const FMatrix& LocalToWorld);
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/* Adds a dependent component whose visibility will affect this component's visibility. */
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void RegisterDependentComponent(UFracturedStaticMeshComponent* InComponent);
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/* Removes a dependent component whose visibility will affect this component's visibility. */
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void RemoveDependentComponent(UFracturedStaticMeshComponent* InComponent);
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/** Static: Updates the GPU with bone matrices for this skinned fractured mesh */
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static void UpdateDynamicBoneData_RenderThread(FFracturedSkinResources* ComponentSkinResources, const TArray<FMatrix>& FragmentTransforms);
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protected:
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virtual void InitResources();
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virtual void ReleaseResources();
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void ReleaseSkinResources();
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/** Attaches the component to the scene, and initializes the component's resources if they have not been yet. */
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virtual void Attach();
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virtual void UpdateTransform();
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friend class FFracturedSkinnedMeshSceneProxy;
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}
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defaultproperties
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{
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bAllowCullDistanceVolume=FALSE
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bInitialVisibilityValue=FALSE
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CastShadow=FALSE
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bCastDynamicShadow=FALSE
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bForceDirectLightMap=FALSE
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bAllowApproximateOcclusion=TRUE
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RBCollideWithChannels=(Default=FALSE,GameplayPhysics=FALSE,EffectPhysics=FALSE,FracturedMeshPart=FALSE)
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CollideActors=FALSE
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BlockActors=FALSE
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BlockZeroExtent=FALSE
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BlockNonZeroExtent=FALSE
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BlockRigidBody=FALSE
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bAcceptsStaticDecals=FALSE
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bAcceptsDynamicDecals=FALSE // this is set to FALSE as we will get floating decals after the various fracture pieces break off
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bOverrideLightMapResolution=FALSE
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bOverrideLightMapRes=FALSE
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bUsePrecomputedShadows=FALSE
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}
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