455 lines
33 KiB
C++
455 lines
33 KiB
C++
// Copyright 2016 Mookie. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "GameFramework/Actor.h"
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#include "Engine/Engine.h"
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#include "Engine/World.h"
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#include "Curves/CurveFloat.h"
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#include "Kismet/KismetMathLibrary.h"
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#include "Kismet/GameplayStatics.h"
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#include "DrawDebugHelpers.h"
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#include "Components/PrimitiveComponent.h"
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#include "Components/SphereComponent.h"
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#include "EBMaterialResponseMap.h"
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#include "EBBulletProperties.h"
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#include "EBMathematicalBallistics.h"
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#include "EBBallisticImpactComponent.h"
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#include "EBBullet.generated.h"
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class UEBBarrel;
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UENUM(BlueprintType)
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enum class EEBAtmosphereType : uint8
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{
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AT_Constant UMETA(DisplayName = "Constant"),
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AT_Curve UMETA(DisplayName = "Density Curve"),
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AT_Earth UMETA(DisplayName = "Earth/IGL")
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};
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UCLASS(Blueprintable, BlueprintType)
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class EASYBALLISTICS_API AEBBullet : public AActor
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{
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GENERATED_BODY()
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public:
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// Sets default values for this actor's properties
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AEBBullet();
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// Collision Component
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UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Collision")
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class USphereComponent* Collision;
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UPROPERTY(Replicated, BlueprintReadWrite, Category = "State") FVector Velocity;
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UPROPERTY(Replicated, BlueprintReadWrite, Category = "State") FRandomStream RandomStream;
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UPROPERTY(BlueprintReadWrite, Category = "State") bool OwnerSafe=false;
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// Enhanced Debug System
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug") bool DebugEnabled;
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// Debug Categories
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugTrajectory = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugImpact = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugPhysics = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugPerformance = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugBallistics = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugSpalling = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Categories") bool DebugPooling = false;
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// Trajectory Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) bool ShowTrail = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) bool ShowVelocityVectors = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) bool ShowPathPrediction = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) bool ShowXRayTrajectory = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) float DebugTrailTime = 1.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) float DebugTrailWidth = 0.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) FLinearColor DebugTrailColorFast = FLinearColor(0, 1, 0, 1);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) FLinearColor DebugTrailColorSlow = FLinearColor(1, 0, 0, 1);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) FLinearColor XRayTrajectoryColor = FLinearColor(0, 1, 1, 0.7f);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) FLinearColor PenetrationTrajectoryColor = FLinearColor(1, 0.5f, 0, 0.8f);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) float VelocityVectorScale = 0.01f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Trajectory", meta = (EditCondition = "DebugEnabled && DebugTrajectory")) int32 PathPredictionSteps = 10;
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// Impact Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) bool ShowImpactPoints = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) bool ShowPenetrationDepth = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) bool ShowRicochetAngles = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) bool ShowMaterialInfo = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) bool ShowImpactNormals = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) float ImpactDebugTime = 10.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) float ImpactPointSize = 5.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) FLinearColor ImpactColorPenetration = FLinearColor(0, 1, 0, 1);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) FLinearColor ImpactColorRicochet = FLinearColor(1, 1, 0, 1);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Impact", meta = (EditCondition = "DebugEnabled && DebugImpact")) FLinearColor ImpactColorStopped = FLinearColor(1, 0, 0, 1);
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// Physics Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) bool ShowDragForces = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) bool ShowGravityEffect = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) bool ShowWindEffect = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) bool ShowAtmosphericData = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) float PhysicsDebugTime = 5.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Physics", meta = (EditCondition = "DebugEnabled && DebugPhysics")) float ForceVectorScale = 0.001f;
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// Performance Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Performance", meta = (EditCondition = "DebugEnabled && DebugPerformance")) bool ShowTraceCount = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Performance", meta = (EditCondition = "DebugEnabled && DebugPerformance")) bool ShowFrameTiming = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Performance", meta = (EditCondition = "DebugEnabled && DebugPerformance")) bool ShowPoolingStats = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Performance", meta = (EditCondition = "DebugEnabled && DebugPerformance")) float PerformanceDebugTime = 3.0f;
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// Ballistics Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Ballistics", meta = (EditCondition = "DebugEnabled && DebugBallistics")) bool ShowEnergyCalculations = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Ballistics", meta = (EditCondition = "DebugEnabled && DebugBallistics")) bool ShowMathematicalComparison = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Ballistics", meta = (EditCondition = "DebugEnabled && DebugBallistics")) bool ShowBallisticCoefficient = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Ballistics", meta = (EditCondition = "DebugEnabled && DebugBallistics")) float BallisticsDebugTime = 8.0f;
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// Spalling Debug Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) bool ShowSpallGeneration = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) bool ShowFragmentTrajectories = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) bool ShowSpallCones = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) float SpallDebugTime = 5.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) FLinearColor SpallColorPrimary = FLinearColor(1, 0.5f, 0, 1);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Spalling", meta = (EditCondition = "DebugEnabled && DebugSpalling")) FLinearColor SpallColorFragment = FLinearColor(0.8f, 0.4f, 0, 1);
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// Debug Display Options
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Display") bool UseWorldSpaceText = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Display") bool UseOnScreenMessages = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Display") float WorldTextScale = 1.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Debug|Display") int32 MaxOnScreenMessages = 10;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") FVector Wind;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Select atmosphere model")) EEBAtmosphereType AtmosphereType;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World", meta = (ToolTip = "Air Density at sea level - in KG/m^3", ClampMin = "0")) float SeaLevelAirDensity = 1.21;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World", meta = (ToolTip = "in cm/s", ClampMin = "0")) float SeaLevelSpeedOfSound = 34300;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World", meta = (ToolTip = "Used for Density Curve atmosphere model")) UCurveFloat* AirDensityCurve;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") bool SpeedOfSoundVariesWithAltitude = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") UCurveFloat* SpeedOfSoundCurve;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") float WorldScale = 1.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Atmosphere pressure at 0,0,0 - in millibars", ClampMin = "0")) float SeaLevelAirPressure = 1012.5f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Atmosphere Temperature at 0,0,0 - in degrees C")) float SeaLevelAirTemperature = 20.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Temperature Decrease With Altitude, degrees per meter")) float TemperatureLapseRate = 0.00649f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Altitude at which temperature stops decreasing, in meters")) float TropopauseAltitude = 11000.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Specific Gas Constant, dry air = 287.058", ClampMin = "0")) float SpecificGasConstant = 287.058;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "World Origin Location")) FVector WorldCenterLocation = FVector(0, 0, 0);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Use spherical planet model to get altitude")) bool SphericalAltitude = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, SaveGame, Category = "World", meta = (ToolTip = "Planet radius, in Unreal units", EditCondition = "SphericalAltitude", ClampMin = "0")) float SeaLevelRadius = 637100000.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") bool OverrideGravity = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "World") FVector Gravity = FVector(0,0,-980);
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Safe launch") bool SafeLaunch = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Safe launch", Meta = (EditCondition = "SafeLaunch")) bool SafeLaunchIgnoreAttachParent = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Safe launch", Meta = (EditCondition = "SafeLaunchIgnoreAttachParent")) bool SafeLaunchIgnoreAllAttached = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Safe launch", Meta = (EditCondition = "SafeLaunch", ClampMin = "0")) float SafeDelay = 1.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Safe launch", Meta = (EditCondition = "SafeLaunch")) TArray<AActor*> SafeLaunchIgnoredActors;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Shotgun") bool Shotgun=false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Shotgun", meta = (EditCondition = "Shotgun")) int ShotCount=10;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Shotgun", meta = (EditCondition = "Shotgun")) float ShotSpread=0.01;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Shotgun", meta = (EditCondition = "Shotgun")) float ShotVelocitySpread = 0.01;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Flight", meta = (ToolTip = "Minimum muzzle velocity in cm/s (Unreal units)")) float MuzzleVelocityMin = 91440.0; // ~3000 fps in cm/s
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Flight", meta = (ToolTip = "Maximum muzzle velocity in cm/s (Unreal units)")) float MuzzleVelocityMax = 91440.0; // ~3000 fps in cm/s
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Flight", meta = (ToolTip = "Maximum bullet spread, in radians", ClampMin = "0")) float Spread = 0.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Flight", meta = (ToolTip = "Spread bias, higher is more accurate on average", ClampMin = "0")) float SpreadBias = 0.0f;
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// Physics Mode Toggle
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Physics Mode", meta = (ToolTip = "Toggle between artistic (manual) and mathematical (realistic) physics calculations"))
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bool UseMathematicalPhysics = false;
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// Mathematical Properties (used when UseMathematicalPhysics is true)
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Mathematical Properties", meta = (EditCondition = "UseMathematicalPhysics", ToolTip = "Bullet properties asset for mathematical calculations"))
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UEBBulletPropertiesAsset* BulletPropertiesAsset;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Mathematical Properties", meta = (EditCondition = "UseMathematicalPhysics", ToolTip = "Material properties asset for mathematical calculations"))
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UEBMaterialPropertiesAsset* MaterialPropertiesAsset;
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// Artistic Properties (used when UseMathematicalPhysics is false)
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Properties", meta = (EditCondition = "!UseMathematicalPhysics", ToolTip = "Bullet mass in kg"))
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float Mass = 0.005;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Properties", meta = (EditCondition = "!UseMathematicalPhysics", ToolTip = "Bullet diameter in cm"))
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float Diameter = 0.556;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Properties", meta = (EditCondition = "!UseMathematicalPhysics", ToolTip = "Form factor for drag calculations"))
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float FormFactor = 1.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Properties", meta = (EditCondition = "!UseMathematicalPhysics", ToolTip = "Drag curve vs Mach number"))
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UCurveFloat* MachDragCurve;
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// Artistic Impact Properties (used when UseMathematicalPhysics is false)
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float GrazingAngleExponent = 2.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float MinPenetration = 10.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float MaxPenetration = 20.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float PenetrationNormalization = 0.5;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float PenetrationNormalizationGrazing = 0.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float PenetrationEntryAngleSpread = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float PenetrationExitAngleSpread = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float RicochetProbability = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float RicochetProbabilityGrazing = 1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float RicochetRestitution = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float RicochetFriction = 0.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float RicochetSpread = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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bool SpeedControlsRicochetProbability = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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bool AddImpulse = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Artistic Impact", meta = (EditCondition = "!UseMathematicalPhysics"))
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float ImpulseMultiplier = 1.0;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact") EPenTraceType DefaultPenTraceType = EPenTraceType::PT_BackTrace;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact") UEBMaterialResponseMap* MaterialResponseMap;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact") bool MaterialDensityControlsPenetrationDepth = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact") bool MaterialRestitutionControlsRicochet = true;
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// New Ballistic Impact System
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UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Impact")
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UEBBallisticImpactComponent* BallisticImpactComponent;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact")
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bool UseNewImpactSystem = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact", meta = (ToolTip = "Enable spalling fragment generation on impact"))
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bool EnableSpalling = true;
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/** Flag to indicate if this bullet has already generated spall, preventing repeated spalling. */
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UPROPERTY(VisibleInstanceOnly, BlueprintReadOnly, Category = "Spalling")
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bool bHasSpalled;
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// Spalling properties (can be overridden by Material Response Map)
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Spalling")
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TSubclassOf<AEBBullet> SpallFragmentClass;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Impact", meta = (ToolTip = "Indicates if this bullet is a spalling fragment"))
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bool IsSpallFragment = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Replication") bool ReliableReplication = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision", meta = (ToolTip = "Allow components to collide, intended for use with trigger volumes. Do not use for actual collisions.")) bool AllowComponentCollisions = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision") TEnumAsByte<ECollisionChannel> TraceChannel;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision") bool TraceComplex;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision", meta = (ToolTip = "Margin to prevent surface clipping (cm). Lower values improve accuracy but may cause clipping.", ClampMin = "0.01", ClampMax = "5.0")) float CollisionMargin = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision", meta = (ToolTip = "Bullets with lower velocity will automatically despawn on impact, never despawn if set to zero or negative")) float DespawnVelocity=100.0f;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Collision") TArray<AActor*> IgnoredActors;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Simulation", meta = (ToolTip = "Spawned bullet performs first trace immediately, instead of waiting for next simulation step")) bool DoFirstStepImmediately = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Simulation", meta = (EditCondition = "DoFirstStepImmediately")) bool RandomFirstStepDelta = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Simulation") bool FixedStep = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Simulation", meta = (EditCondition = "FixedStep", ClampMin = "0")) float FixedStepSeconds = 0.1;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Simulation", meta = (ToolTip = "Maximum number of surfaces to process per frame. Higher values allow penetrating more walls but may impact performance.", ClampMin = "1", ClampMax = "20")) int MaxTracesPerStep = 12;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Retrace") bool Retrace = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Retrace") bool RetraceOnAnotherChannel = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Retrace", meta=(EditCondition="RetraceOnAnotherChannel")) TEnumAsByte<ECollisionChannel> RetraceChannel;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Rotation") bool RotateActor = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Rotation") bool RotateRandomRoll = true;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Pooling") bool EnablePooling = false;
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Pooling", meta = (EditCondition = "EnablePooling")) int MaxPoolSize = 50;
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//rebase
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virtual void ApplyWorldOffset(const FVector& InOffset, bool bWorldShift) override;
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// Called when the game starts or when spawned
|
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virtual void BeginPlay() override;
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// Called every frame
|
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virtual void Tick(float DeltaSeconds) override;
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virtual void LifeSpanExpired() override;
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UFUNCTION(BlueprintCallable, Category = "EBBullet|Spawn")
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static void SpawnWithExactVelocity(TSubclassOf<class AEBBullet> BulletClass, AActor* BulletOwner, APawn* BulletInstigator, FVector BulletLocation, FVector BulletVelocity);
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UFUNCTION(BlueprintCallable, Category = "EBBullet|Spawn")
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static void SpawnWithExactVelocityFromBarrel(TSubclassOf<class AEBBullet> BulletClass, AActor* BulletOwner, APawn* BulletInstigator, FVector BulletLocation, FVector BulletVelocity, class UEBBarrel* SourceBarrel);
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UFUNCTION(BlueprintCallable, Category = "EBBullet|Spawn")
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|
static void Spawn(TSubclassOf<class AEBBullet> BulletClass, AActor* BulletOwner, APawn* BulletInstigator, FVector BulletLocation, FVector BulletVelocity);
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UFUNCTION(NetMulticast, Unreliable)
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|
void VelocityChangeBroadcast(FVector_NetQuantize NewLocation, FVector NewVelocity);
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UFUNCTION(NetMulticast, Reliable)
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|
void VelocityChangeBroadcastReliable(FVector_NetQuantize NewLocation, FVector NewVelocity);
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|
UFUNCTION(BlueprintAuthorityOnly, BlueprintNativeEvent, Category = "EBBullet|Impact")
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|
void OnImpact(bool Ricochet, bool PassedThrough, FVector Location, FVector IncomingVelocity, FVector Normal, FVector ExitLocation, FVector ExitVelocity, FVector Impulse, float PenetrationDepth, AActor* Actor, USceneComponent* Component, FName BoneName, UPhysicalMaterial* PhysMaterial, FHitResult HitResult);
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|
UFUNCTION(BlueprintCosmetic, BlueprintNativeEvent, Category = "EBBullet|Impact")
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|
void OnNetPredictedImpact(bool Ricochet, bool PassedThrough, FVector Location, FVector IncomingVelocity, FVector Normal, FVector ExitLocation, FVector ExitVelocity, FVector Impulse, float PenetrationDepth, AActor* Actor, USceneComponent* Component, FName BoneName, UPhysicalMaterial* PhysMaterial, FHitResult HitResult);
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|
UFUNCTION(BlueprintImplementableEvent, Category = "EBBullet|Impact")
|
|
void OnTrace(FVector StartLocation, FVector EndLocation);
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|
UFUNCTION(BlueprintImplementableEvent, Category = "EBBullet|Remote")
|
|
void OnTrajectoryUpdateReceived(FVector Location, FVector OldVelocity, FVector NewVelocity);
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UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|Activation")
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|
void OnDeactivated();
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UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|Flight")FVector UpdateVelocity(UWorld* World, FVector Location, FVector PreviousVelocity, float DeltaTime) const;
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|
UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|World") FVector GetWind(UWorld* World, FVector Location) const;
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|
UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|World") float GetAirDensity(UWorld* World, FVector Location) const;
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|
UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|World") float GetSpeedOfSound(UWorld* World, FVector Location) const;
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|
UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|World") bool CollisionFilter(FHitResult HitResult) const;
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|
|
|
// Mathematical Physics Functions
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
float GetEffectiveMass() const;
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
float GetEffectiveDiameter() const;
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
float GetEffectiveDragCoefficient(float MachNumber) const;
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
float CalculateMathematicalPenetration(UPhysicalMaterial* Material, float VelocityMPS, float ImpactAngle) const;
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
float CalculateMathematicalRicochetProbability(UPhysicalMaterial* Material, float VelocityMPS, float ImpactAngle) const;
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Mathematical Physics")
|
|
FMathematicalMaterialProperties GetMaterialProperties(UPhysicalMaterial* Material) const;
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|
|
|
// Enhanced Debug Functions
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void CreateDebugImpactWidget(FVector Location, bool bRicochet, bool bPenetration, FVector ImpactVelocity, float PenetrationDepth, UPhysicalMaterial* Material);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawTrajectoryDebug(FVector StartLocation, FVector EndLocation, FVector CurrentVelocity, float DeltaTime);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawXRayTrajectory(FVector EntryPoint, FVector ExitPoint, FVector PenetrationDirection, float PenetrationDepth, UPhysicalMaterial* Material);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawImpactDebug(FVector ImpactLocation, FVector ImpactVelocity, FVector ImpactNormal, bool bRicochet, bool bPenetration, float PenetrationDepth, UPhysicalMaterial* Material);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawPhysicsDebug(FVector Location, FVector DragForce, FVector GravityForce, FVector WindForce, float AirDensity, float SpeedOfSound);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawBallisticsDebug(FVector Location, FVector BulletVelocity, float KineticEnergy, float DragCoefficient, float MachNumber);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawSpallDebug(FVector ImpactLocation, FVector ImpactVelocity, FVector ImpactNormal, TArray<FVector> FragmentVelocities);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void DrawPerformanceDebug(FVector Location, int32 TraceCount, float FrameTime, int32 PooledBullets);
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|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void ClearDebugDisplay();
|
|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Debug")
|
|
void ToggleDebugCategory(const FString& CategoryName, bool bEnabled);
|
|
|
|
UFUNCTION(BlueprintPure, Category = "EBBullet|Debug")
|
|
class UEBBarrel* GetFiringBarrel() const { return FiringBarrel; }
|
|
|
|
UFUNCTION(BlueprintPure, Category = "EBBullet|Debug")
|
|
FString GetDebugInfoString() const;
|
|
|
|
// Spalling Functions
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Spalling")
|
|
/**
|
|
* Generate spall fragments given impact parameters.
|
|
* @param ImpactLocation Location of impact in world space
|
|
* @param ImpactVelocity Incoming projectile velocity at impact (cm/s)
|
|
* @param ImpactNormal Surface normal at point of impact (unit vector)
|
|
* @param PlateThicknessCM Thickness of the target plate in centimetres (0 if unknown / no penetration)
|
|
* @param ImpactAngleDegrees Angle between velocity vector and surface normal in degrees (0 = perpendicular)
|
|
* @param Material Physical material hit
|
|
* @param HitActor Actor that was hit (for ignore lists etc.)
|
|
*/
|
|
void GenerateSpallFragments(FVector ImpactLocation, FVector ImpactVelocity, FVector ImpactNormal,
|
|
float PlateThicknessCM, float ImpactAngleDegrees,
|
|
UPhysicalMaterial* Material, AActor* HitActor);
|
|
|
|
UFUNCTION(BlueprintNativeEvent, Category = "EBBullet|Spalling")
|
|
void OnSpallFragmentGenerated(FVector FragmentLocation, FVector FragmentVelocity, float FragmentMass, UPhysicalMaterial* Material);
|
|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Spalling")
|
|
bool ShouldGenerateSpalling(FVector ImpactVelocity, UPhysicalMaterial* Material) const;
|
|
|
|
UFUNCTION(BlueprintCallable, Category = "EBBullet|Spalling")
|
|
void ConfigureAsSpallFragment(float FragmentMass, float FragmentVelocity);
|
|
|
|
void SetFiringBarrel(class UEBBarrel* Barrel) { FiringBarrel = Barrel; }
|
|
|
|
//pooling
|
|
UFUNCTION(BlueprintAuthorityOnly, BlueprintCallable, Category = "EBBullet|Pooling")void Deactivate();
|
|
|
|
UFUNCTION(NetMulticast, Reliable)
|
|
void ReactivationBroadcast(FVector_NetQuantize NewLocation, FVector NewVelocity, AActor* BulletOwner, APawn* BulletInstigator);
|
|
UFUNCTION(NetMulticast, Reliable)
|
|
void DeactivationBroadcast();
|
|
private:
|
|
/**
|
|
* Returns a scaling factor (>1 increases spall likelihood/amount, <1 decreases) based on the bullet type.
|
|
*/
|
|
float GetSpallFactorByBulletType() const;
|
|
|
|
UPROPERTY() TArray<TWeakObjectPtr<AEBBullet>> Pooled;
|
|
static AEBBullet* GetFromPool(UWorld* World, UClass* BulletClass);
|
|
static AEBBullet* SpawnOrReactivate(UWorld* World, TSubclassOf<class AEBBullet> BulletClass, const FTransform& Transform, FVector BulletVelocity, AActor* BulletOwner, APawn* BulletInstigator);
|
|
static AEBBullet* SpawnOrReactivateFromBarrel(UWorld* World, TSubclassOf<class AEBBullet> BulletClass, const FTransform& Transform, FVector BulletVelocity, AActor* BulletOwner, APawn* BulletInstigator, class UEBBarrel* SourceBarrel);
|
|
void DeactivateToPool();
|
|
|
|
AEBBullet* FinishSpawning(FTransform Transform);
|
|
|
|
void Step(float DeltaTime);
|
|
|
|
float Trace(FVector start, FVector PreviousVelocity, float delta, TEnumAsByte<ECollisionChannel> channel);
|
|
|
|
TArray<AActor*> GetAttachedActorsRecursive(AActor* Actor, uint16 Depth = 0, TArray<AActor*> VisitedActors = TArray<AActor*>()) const;
|
|
|
|
float PenetrationTrace(FVector start, FVector end, TWeakObjectPtr<UPrimitiveComponent,FWeakObjectPtr> comp, EPenTraceType penType, TEnumAsByte<ECollisionChannel> channel, FVector &exitLoc, FVector &exitNormal);
|
|
|
|
// Helper function to process multiple hits in sequence (for close walls)
|
|
bool ProcessSequentialHits(TArray<FHitResult>& AllHits, FVector& CurrentVelocity, float DeltaTime, int32& ProcessedHitCount);
|
|
|
|
float GetCurveValue(const UCurveFloat* curve, float in, float deflt) const;
|
|
|
|
float AccumulatedDelta;
|
|
|
|
bool CanRetrace = false;
|
|
FVector LastTraceStart;
|
|
float LastTraceDelta;
|
|
FVector LastTraceVelocity;
|
|
FVector LastTracePrevVelocity;
|
|
|
|
bool IsRecycled;
|
|
|
|
FHitResult FilterHits(TArray<FHitResult> Results, bool &hit) const;
|
|
TArray<AActor*>GetSafeLaunchIgnoredActors(AActor* Owner) const;
|
|
|
|
class UEBBarrel* FiringBarrel;
|
|
|
|
// Debug tracking variables
|
|
TArray<FVector> DebugTrajectoryPoints;
|
|
TArray<float> DebugTrajectoryTimes;
|
|
TArray<FVector> DebugImpactLocations;
|
|
TArray<float> DebugImpactTimes;
|
|
int32 DebugTraceCounter;
|
|
float DebugFrameStartTime;
|
|
static int32 DebugMessageCounter;
|
|
|
|
float GetAltitude(UWorld* World, FVector Location) const;
|
|
float GetAltitudePressure(float AltitudeMeter) const;
|
|
float GetAltitudeTemperature(float AltitudeMeter) const;
|
|
float GetAltitudeDensity(float AltitudeMeter) const;
|
|
|
|
#ifdef WITH_EDITOR
|
|
FLinearColor GetDebugColor(float In) const{
|
|
return FMath::Lerp(DebugTrailColorSlow, DebugTrailColorFast, In);
|
|
}
|
|
#endif
|
|
}; |