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Fix damage flash implementation

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This commit is contained in:
Aiden Correya
2025-04-16 22:44:01 +05:30
parent 7f08808b71
commit 44aee655de
4 changed files with 57 additions and 27 deletions
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66
Source/MyProject3/SpaceshipPawn.cpp
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@@ -111,6 +111,9 @@ void ASpaceshipPawn::BeginPlay()
CurrentHealth = MaxHealth;
CurrentShield = MaxShield;
LastDamageTime = 0.0f;
// Initialize the dynamic material
InitializeDynamicMaterial();
}
void ASpaceshipPawn::Tick(float DeltaTime)
@@ -486,41 +489,54 @@ float ASpaceshipPawn::TakeDamage(float DamageAmount, FDamageEvent const& DamageE
return DamageToApply;
}
void ASpaceshipPawn::InitializeDynamicMaterial()
{
if (ShipMesh)
{
// Store the original material
OriginalMaterial = ShipMesh->GetMaterial(0);
if (OriginalMaterial)
{
// Create dynamic material instance only once
DynamicMaterialInstance = UMaterialInstanceDynamic::Create(OriginalMaterial, this);
if (DynamicMaterialInstance)
{
// Apply the dynamic material instance to the mesh
ShipMesh->SetMaterial(0, DynamicMaterialInstance);
// Initialize flash color to transparent
DynamicMaterialInstance->SetVectorParameterValue("FlashColor", FLinearColor(0.0f, 0.0f, 0.0f, 0.0f));
}
}
}
}
void ASpaceshipPawn::ApplyDamageFlash()
{
// Apply material flash effect to indicate damage
if (ShipMesh && ShipMesh->GetMaterial(0))
// Only set the flash color if we have a valid dynamic material instance
if (DynamicMaterialInstance)
{
UMaterialInstanceDynamic* DynamicMaterial = UMaterialInstanceDynamic::Create(ShipMesh->GetMaterial(0), this);
if (DynamicMaterial)
{
// Assuming the material has a parameter named "FlashColor"
DynamicMaterial->SetVectorParameterValue("FlashColor", DamageFlashColor);
ShipMesh->SetMaterial(0, DynamicMaterial);
// Set the flash color
DynamicMaterialInstance->SetVectorParameterValue("FlashColor", DamageFlashColor);
// Set timer to reset the flash
GetWorldTimerManager().SetTimer(
DamageFlashTimerHandle,
this,
&ASpaceshipPawn::ResetDamageFlash,
DamageFlashDuration,
false
);
}
// Set timer to reset the flash
GetWorldTimerManager().SetTimer(
DamageFlashTimerHandle,
this,
&ASpaceshipPawn::ResetDamageFlash,
DamageFlashDuration,
false
);
}
}
void ASpaceshipPawn::ResetDamageFlash()
{
// Reset material flash effect
if (ShipMesh && ShipMesh->GetMaterial(0))
// Reset the flash color only if we have a valid dynamic material instance
if (DynamicMaterialInstance)
{
UMaterialInstanceDynamic* DynamicMaterial = Cast<UMaterialInstanceDynamic>(ShipMesh->GetMaterial(0));
if (DynamicMaterial)
{
// Reset the flash color (assuming transparent black means no flash)
DynamicMaterial->SetVectorParameterValue("FlashColor", FLinearColor(0.0f, 0.0f, 0.0f, 0.0f));
}
DynamicMaterialInstance->SetVectorParameterValue("FlashColor", FLinearColor(0.0f, 0.0f, 0.0f, 0.0f));
}
}