File size: 4,229 Bytes
1e67697 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | // Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "LyraCameraMode.h"
#include "Curves/CurveFloat.h"
#include "LyraPenetrationAvoidanceFeeler.h"
#include "DrawDebugHelpers.h"
#include "LyraCameraMode_ThirdPerson.generated.h"
class UCurveVector;
/**
* ULyraCameraMode_ThirdPerson
*
* A basic third person camera mode.
*/
UCLASS(Abstract, Blueprintable)
class ULyraCameraMode_ThirdPerson : public ULyraCameraMode
{
GENERATED_BODY()
public:
ULyraCameraMode_ThirdPerson();
protected:
virtual void UpdateView(float DeltaTime) override;
void UpdateForTarget(float DeltaTime);
void UpdatePreventPenetration(float DeltaTime);
void PreventCameraPenetration(class AActor const& ViewTarget, FVector const& SafeLoc, FVector& CameraLoc, float const& DeltaTime, float& DistBlockedPct, bool bSingleRayOnly);
virtual void DrawDebug(UCanvas* Canvas) const override;
protected:
// Curve that defines local-space offsets from the target using the view pitch to evaluate the curve.
UPROPERTY(EditDefaultsOnly, Category = "Third Person", Meta = (EditCondition = "!bUseRuntimeFloatCurves"))
TObjectPtr<const UCurveVector> TargetOffsetCurve;
// UE-103986: Live editing of RuntimeFloatCurves during PIE does not work (unlike curve assets).
// Once that is resolved this will become the default and TargetOffsetCurve will be removed.
UPROPERTY(EditDefaultsOnly, Category = "Third Person")
bool bUseRuntimeFloatCurves;
UPROPERTY(EditDefaultsOnly, Category = "Third Person", Meta = (EditCondition = "bUseRuntimeFloatCurves"))
FRuntimeFloatCurve TargetOffsetX;
UPROPERTY(EditDefaultsOnly, Category = "Third Person", Meta = (EditCondition = "bUseRuntimeFloatCurves"))
FRuntimeFloatCurve TargetOffsetY;
UPROPERTY(EditDefaultsOnly, Category = "Third Person", Meta = (EditCondition = "bUseRuntimeFloatCurves"))
FRuntimeFloatCurve TargetOffsetZ;
// Alters the speed that a crouch offset is blended in or out
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Third Person")
float CrouchOffsetBlendMultiplier = 5.0f;
// Penetration prevention
public:
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Collision")
float PenetrationBlendInTime = 0.1f;
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Collision")
float PenetrationBlendOutTime = 0.15f;
/** If true, does collision checks to keep the camera out of the world. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Collision")
bool bPreventPenetration = true;
/** If true, try to detect nearby walls and move the camera in anticipation. Helps prevent popping. */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Collision")
bool bDoPredictiveAvoidance = true;
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Collision")
float CollisionPushOutDistance = 2.f;
/** When the camera's distance is pushed into this percentage of its full distance due to penetration */
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Collision")
float ReportPenetrationPercent = 0.f;
/**
* These are the feeler rays that are used to find where to place the camera.
* Index: 0 : This is the normal feeler we use to prevent collisions.
* Index: 1+ : These feelers are used if you bDoPredictiveAvoidance=true, to scan for potential impacts if the player
* were to rotate towards that direction and primitively collide the camera so that it pulls in before
* impacting the occluder.
*/
UPROPERTY(EditDefaultsOnly, Category = "Collision")
TArray<FLyraPenetrationAvoidanceFeeler> PenetrationAvoidanceFeelers;
UPROPERTY(Transient)
float AimLineToDesiredPosBlockedPct;
UPROPERTY(Transient)
TArray<TObjectPtr<const AActor>> DebugActorsHitDuringCameraPenetration;
#if ENABLE_DRAW_DEBUG
mutable float LastDrawDebugTime = -MAX_FLT;
#endif
protected:
void SetTargetCrouchOffset(FVector NewTargetOffset);
void UpdateCrouchOffset(float DeltaTime);
FVector InitialCrouchOffset = FVector::ZeroVector;
FVector TargetCrouchOffset = FVector::ZeroVector;
float CrouchOffsetBlendPct = 1.0f;
FVector CurrentCrouchOffset = FVector::ZeroVector;
};
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