Section 12: Footsteps - Lecture 243

Jumping and Landing sounds

Source/Shooter/Shooter.Build.cs

@@ -8,7 +8,7 @@ public class Shooter : ModuleRules
 	{
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 	
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "UMG" });
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "UMG", "PhysicsCore" });
 
 		PrivateDependencyModuleNames.AddRange(new string[] {  });
 

Source/Shooter/ShooterCharacter.cpp

@@ -17,6 +17,8 @@
 #include "Particles/ParticleSystemComponent.h"
 #include "Sound/SoundCue.h"
 #include "Ammo.h"
+#include "PhysicalMaterials/PhysicalMaterial.h"
+#include "Shooter.h"
 
 // Sets default values
 AShooterCharacter::AShooterCharacter() :
@@ -469,6 +471,20 @@ void AShooterCharacter::HighlightInventorySlot()
 	}
 }
 
+EPhysicalSurface AShooterCharacter::GetSurfaceType()
+{
+	FHitResult HitResult;
+	const FVector Start{ GetActorLocation() };
+	const FVector End{ Start + FVector(0.f, 0.f, -400.f) };
+
+	FCollisionQueryParams QueryParams;
+	QueryParams.bReturnPhysicalMaterial = true;
+
+	GetWorld()->LineTraceSingleByChannel(HitResult, Start, End, ECollisionChannel::ECC_Visibility, QueryParams);
+
+	return UPhysicalMaterial::DetermineSurfaceType(HitResult.PhysMaterial.Get());
+}
+
 void AShooterCharacter::UnhighlightInventorySlot()
 {
 	if (HighlightedSlot != -1)

Source/Shooter/ShooterCharacter.h

@@ -216,6 +216,9 @@ protected:
 
 	void HighlightInventorySlot();
 
+	UFUNCTION(BlueprintCallable)
+	EPhysicalSurface GetSurfaceType();
+
 private:
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Camera, meta = (AllowPrivateAccess = true))
 	USpringArmComponent* CameraBoom;