126 lines
4.2 KiB
Ucode
126 lines
4.2 KiB
Ucode
//=============================================================================
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// Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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//=============================================================================
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class InteractiveFoliageActor extends StaticMeshActor
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native(Foliage)
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placeable;
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/** Collision cylinder */
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var private{private} CylinderComponent CylinderComponent;
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/**
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* Position of the last actor to enter the collision cylinder.
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* This currently does not handle multiple actors affecting the foliage simultaneously.
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*/
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var private{private} transient vector TouchingActorEntryPosition;
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/** Simulated physics state */
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var private{private} transient vector FoliageVelocity;
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var private{private} transient vector FoliageForce;
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var private{private} transient vector FoliagePosition;
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/** Scales forces applied from damage events. */
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var(FoliagePhysics) float FoliageDamageImpulseScale;
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/** Scales forces applied from touch events. */
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var(FoliagePhysics) float FoliageTouchImpulseScale;
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/** Determines how strong the force that pushes toward the spring's center will be. */
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var(FoliagePhysics) float FoliageStiffness;
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/**
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* Same as FoliageStiffness, but the strength of this force increases with the square of the distance to the spring's center.
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* This force is used to prevent the spring from extending past a certain point due to touch and damage forces.
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*/
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var(FoliagePhysics) float FoliageStiffnessQuadratic;
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/**
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* Determines the amount of energy lost by the spring as it oscillates.
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* This force is similar to air friction.
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*/
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var(FoliagePhysics) float FoliageDamping;
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/** Clamps the magnitude of each damage force applied. */
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var(FoliagePhysics) float MaxDamageImpulse;
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/** Clamps the magnitude of each touch force applied. */
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var(FoliagePhysics) float MaxTouchImpulse;
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/** Clamps the magnitude of combined forces applied each update. */
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var(FoliagePhysics) float MaxForce;
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//@todo - hook this up
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var float Mass;
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cpptext
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{
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protected:
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void SetupCollisionCylinder();
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public:
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virtual void TickSpecial(FLOAT DeltaSeconds);
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virtual void Spawned();
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virtual void PostLoad();
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};
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native simulated event TakeDamage(int Damage, Controller EventInstigator, vector HitLocation, vector Momentum, class<DamageType> DamageType, optional TraceHitInfo HitInfo, optional Actor DamageCauser);
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native simulated event Touch( Actor Other, PrimitiveComponent OtherComp, vector HitLocation, vector HitNormal );
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defaultproperties
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{
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Begin Object Class=InteractiveFoliageComponent Name=FoliageMeshComponent0
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bAllowApproximateOcclusion=TRUE
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bForceDirectLightMap=TRUE
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bUsePrecomputedShadows=TRUE
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// Foliage actors are usually animated using vertex position offset, which does not work correctly with decals
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bAcceptsStaticDecals=FALSE
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bAcceptsDynamicDecals=FALSE
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End Object
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StaticMeshComponent=FoliageMeshComponent0
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Components.Remove(StaticMeshComponent0)
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Components.Add(FoliageMeshComponent0)
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// Needs to receive Touch and TakeDamage
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bCollideActors=true
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// Don't want to block actors, just be notified when they are touching
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bBlockActors=false
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// Block bullets so we can receive TakeDamage from them, the damage will be passed through with PassThroughDamage
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bProjTarget=true
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BlockRigidBody=false
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// Add a cylinder component to be used for collision
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Begin Object Class=CylinderComponent Name=CollisionCylinder
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// These get overwritten on load or spawn
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CollisionRadius=+00060.000000
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CollisionHeight=+00200.000000
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CollideActors=true
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BlockActors=false
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// Don't want the cylinder to block bullets
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BlockZeroExtent=false
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BlockNonZeroExtent=true
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End Object
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CollisionComponent=CollisionCylinder
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CylinderComponent=CollisionCylinder
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Components.Add(CollisionCylinder)
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bWorldGeometry=false
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// Has to be dynamic to get ticked
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bStatic=false
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bMovable=false
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bNoDelete=true
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// Visual effects should tick during async work
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TickGroup=TG_DuringAsyncWork
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FoliageDamageImpulseScale=20
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FoliageTouchImpulseScale=10
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FoliageStiffness=10
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FoliageStiffnessQuadratic=.3
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FoliageDamping=2
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MaxDamageImpulse=100000
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MaxTouchImpulse=1000
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MaxForce=100000
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Mass=1
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`if(`__TW_PERFORMANCE_)
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bSkipPostTickComponentUpdate=TRUE
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`endif
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}
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