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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Feedback/GES_ContextEffectsSubsystem.h"
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#include "Feedback/GES_ContextEffectsLibrary.h"
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#include "Kismet/GameplayStatics.h"
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#include "NiagaraFunctionLibrary.h"
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#include "NiagaraSystem.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GES_ContextEffectsSubsystem)
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class AActor;
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class UAudioComponent;
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class UNiagaraSystem;
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class USceneComponent;
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class USoundBase;
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void UGES_ContextEffectsSubsystem::SpawnContextEffects(UObject* WorldContextObject, TSoftObjectPtr<UGES_ContextEffectsLibrary> EffectsLibrary, FGES_SpawnContextEffectsInput Input,
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FGES_SpawnContextEffectsOutput& Output)
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{
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if (WorldContextObject == nullptr || WorldContextObject->GetWorld() == nullptr)
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{
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return;
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}
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if (EffectsLibrary.IsNull())
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{
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return;
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}
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// Prepare Arrays for Sounds and Niagara Systems
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TArray<USoundBase*> TotalSounds;
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TArray<UNiagaraSystem*> TotalNiagaraSystems;
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TArray<UParticleSystem*> TotalParticleSystems;
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// Cycle through Effect Libraries
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if (UGES_ContextEffectsLibrary* EffectLibrary = EffectsLibrary.LoadSynchronous())
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{
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if (EffectLibrary && EffectLibrary->GetContextEffectsLibraryLoadState() == EGES_ContextEffectsLibraryLoadState::Unloaded)
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{
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// Sync load effects
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EffectLibrary->LoadEffects();
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}
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// Check if the Effect Library is valid and data Loaded
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if (EffectLibrary->GetContextEffectsLibraryLoadState() == EGES_ContextEffectsLibraryLoadState::Loaded)
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{
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// Set up local list of Sounds and Niagara Systems
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TArray<USoundBase*> Sounds;
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TArray<UNiagaraSystem*> NiagaraSystems;
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TArray<UParticleSystem*> ParticleSystems;
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// Get Sounds and Niagara Systems
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EffectLibrary->GetEffects(Input.EffectName, Input.SourceContext, Input.TargetContext, Sounds, NiagaraSystems, ParticleSystems);
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// Append to accumulating array
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TotalSounds.Append(Sounds);
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TotalNiagaraSystems.Append(NiagaraSystems);
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TotalParticleSystems.Append(ParticleSystems);
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}
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}
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// Cycle through found Sounds
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for (USoundBase* Sound : TotalSounds)
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{
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if (Input.bAttached)
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{
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// Spawn Sounds Attached, add Audio Component to List of ACs
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UAudioComponent* AudioComponent = UGameplayStatics::SpawnSoundAttached(Sound, Input.ComponentToAttach, Input.Bone, Input.LocationOffset, Input.RotationOffset,
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EAttachLocation::KeepRelativeOffset,
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false, Input.AudioVolume, Input.AudioPitch, 0.0f, nullptr, nullptr, true);
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Output.AudioComponents.Add(AudioComponent);
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}
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else
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{
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UAudioComponent* AudioComponent = UGameplayStatics::SpawnSoundAtLocation(WorldContextObject, Sound, Input.Location, Input.Rotation, Input.AudioVolume, Input.AudioPitch, 0.0f, nullptr,
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nullptr, true);
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Output.AudioComponents.Add(AudioComponent);
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}
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}
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// Cycle through found Niagara Systems
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for (UNiagaraSystem* NiagaraSystem : TotalNiagaraSystems)
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{
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if (Input.bAttached)
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{
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// Spawn Niagara Systems Attached, add Niagara Component to List of NCs
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UNiagaraComponent* NiagaraComponent = UNiagaraFunctionLibrary::SpawnSystemAttached(NiagaraSystem, Input.ComponentToAttach, Input.Bone, Input.LocationOffset,
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Input.RotationOffset, Input.VFXScale, EAttachLocation::KeepRelativeOffset, true,
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ENCPoolMethod::None,
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true,
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true);
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Output.NiagaraComponents.Add(NiagaraComponent);
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}
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else
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{
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UNiagaraComponent* NiagaraComponent = UNiagaraFunctionLibrary::SpawnSystemAtLocation(WorldContextObject, NiagaraSystem, Input.Location,
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Input.Rotation, Input.VFXScale, true, true,
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ENCPoolMethod::None, true);
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Output.NiagaraComponents.Add(NiagaraComponent);
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}
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}
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// Cycle through found Particle Systems
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for (UParticleSystem* ParticleSystem : TotalParticleSystems)
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{
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if (Input.bAttached)
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{
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// Spawn Particle Systems Attached, add Niagara Component to List of NCs
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UParticleSystemComponent* ParticleComponent = UGameplayStatics::SpawnEmitterAttached(ParticleSystem, Input.ComponentToAttach, Input.Bone, Input.LocationOffset,
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Input.RotationOffset, Input.VFXScale, EAttachLocation::KeepRelativeOffset, true,
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EPSCPoolMethod::None,
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true);
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Output.ParticlesComponents.Add(ParticleComponent);
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}
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else
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{
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UParticleSystemComponent* ParticleComponent = UGameplayStatics::SpawnEmitterAtLocation(WorldContextObject, ParticleSystem, Input.Location, Input.Rotation, Input.VFXScale, true,
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EPSCPoolMethod::None, true);
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Output.ParticlesComponents.Add(ParticleComponent);
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}
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}
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}
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void UGES_ContextEffectsSubsystem::SpawnContextEffectsExt(const AActor* SpawningActor, const FGES_SpawnContextEffectsInput& Input, FGES_SpawnContextEffectsOutput& Output)
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{
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// First determine if this Actor has a matching Set of Libraries
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if (TObjectPtr<UGES_ContextEffectsSet>* EffectsLibrariesSetPtr = ActiveActorEffectsMap.Find(SpawningActor))
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{
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// Validate the pointers from the Map Find
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if (UGES_ContextEffectsSet* EffectsLibraries = *EffectsLibrariesSetPtr)
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{
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// Prepare Arrays for Sounds and Niagara Systems
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TArray<USoundBase*> TotalSounds;
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TArray<UNiagaraSystem*> TotalNiagaraSystems;
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TArray<UParticleSystem*> TotalParticleSystems;
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// Cycle through Effect Libraries
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for (UGES_ContextEffectsLibrary* EffectLibrary : EffectsLibraries->ContextEffectsLibraries)
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{
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// Check if the Effect Library is valid and data Loaded
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if (EffectLibrary && EffectLibrary->GetContextEffectsLibraryLoadState() == EGES_ContextEffectsLibraryLoadState::Loaded)
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{
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// Set up local list of Sounds and Niagara Systems
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TArray<USoundBase*> Sounds;
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TArray<UNiagaraSystem*> NiagaraSystems;
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TArray<UParticleSystem*> ParticleSystems;
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// Get Sounds and Niagara Systems
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EffectLibrary->GetEffects(Input.EffectName, Input.SourceContext, Input.TargetContext, Sounds, NiagaraSystems, ParticleSystems);
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// Append to accumulating array
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TotalSounds.Append(Sounds);
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TotalNiagaraSystems.Append(NiagaraSystems);
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TotalParticleSystems.Append(ParticleSystems);
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}
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else if (EffectLibrary && EffectLibrary->GetContextEffectsLibraryLoadState() == EGES_ContextEffectsLibraryLoadState::Unloaded)
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{
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// Else load effects
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EffectLibrary->LoadEffects();
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}
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}
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// Cycle through found Sounds
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for (USoundBase* Sound : TotalSounds)
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{
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if (Input.bAttached)
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{
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// Spawn Sounds Attached, add Audio Component to List of ACs
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UAudioComponent* AudioComponent = UGameplayStatics::SpawnSoundAttached(Sound, Input.ComponentToAttach, Input.Bone, Input.LocationOffset, Input.RotationOffset,
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EAttachLocation::KeepRelativeOffset,
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false, Input.AudioVolume, Input.AudioPitch, 0.0f, nullptr, nullptr, true);
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Output.AudioComponents.Add(AudioComponent);
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}
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else
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{
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UAudioComponent* AudioComponent = UGameplayStatics::SpawnSoundAtLocation(SpawningActor, Sound, Input.Location, Input.Rotation, Input.AudioVolume, Input.AudioPitch, 0.0f, nullptr,
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nullptr, true);
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Output.AudioComponents.Add(AudioComponent);
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}
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}
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// Cycle through found Niagara Systems
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for (UNiagaraSystem* NiagaraSystem : TotalNiagaraSystems)
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{
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if (Input.bAttached)
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{
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// Spawn Niagara Systems Attached, add Niagara Component to List of NCs
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UNiagaraComponent* NiagaraComponent = UNiagaraFunctionLibrary::SpawnSystemAttached(NiagaraSystem, Input.ComponentToAttach, Input.Bone, Input.LocationOffset,
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Input.RotationOffset, Input.VFXScale, EAttachLocation::KeepRelativeOffset, true,
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ENCPoolMethod::None,
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true,
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true);
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Output.NiagaraComponents.Add(NiagaraComponent);
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}
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else
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{
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UNiagaraComponent* NiagaraComponent = UNiagaraFunctionLibrary::SpawnSystemAtLocation(SpawningActor, NiagaraSystem, Input.Location,
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Input.Rotation, Input.VFXScale, true, true,
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ENCPoolMethod::None, true);
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Output.NiagaraComponents.Add(NiagaraComponent);
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}
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}
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// Cycle through found Particle Systems
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for (UParticleSystem* ParticleSystem : TotalParticleSystems)
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{
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if (Input.bAttached)
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{
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// Spawn Particle Systems Attached, add Niagara Component to List of NCs
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UParticleSystemComponent* ParticleComponent = UGameplayStatics::SpawnEmitterAttached(ParticleSystem, Input.ComponentToAttach, Input.Bone, Input.LocationOffset,
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Input.RotationOffset, Input.VFXScale, EAttachLocation::KeepRelativeOffset, true,
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EPSCPoolMethod::None,
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true);
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Output.ParticlesComponents.Add(ParticleComponent);
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}
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else
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{
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UParticleSystemComponent* ParticleComponent = UGameplayStatics::SpawnEmitterAtLocation(SpawningActor, ParticleSystem, Input.Location, Input.Rotation, Input.VFXScale, true,
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EPSCPoolMethod::None, true);
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Output.ParticlesComponents.Add(ParticleComponent);
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}
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}
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}
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}
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}
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bool UGES_ContextEffectsSubsystem::GetContextFromSurfaceType(
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TEnumAsByte<EPhysicalSurface> PhysicalSurface, FGameplayTag& Context)
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{
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// Get Project Settings
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if (const UGES_ContextEffectsSettings* ProjectSettings = GetDefault<UGES_ContextEffectsSettings>())
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{
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// Find which Gameplay Tag the Surface Type is mapped to
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if (const FGameplayTag* GameplayTagPtr = ProjectSettings->SurfaceTypeToContextMap.Find(PhysicalSurface))
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{
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Context = *GameplayTagPtr;
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}
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}
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// Return true if Context is Valid
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return Context.IsValid();
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}
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void UGES_ContextEffectsSubsystem::LoadAndAddContextEffectsLibraries(AActor* OwningActor,
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TSet<TSoftObjectPtr<UGES_ContextEffectsLibrary>> ContextEffectsLibraries)
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{
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// Early out if Owning Actor is invalid or if the associated Libraries is 0 (or less)
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if (OwningActor == nullptr || ContextEffectsLibraries.Num() <= 0)
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{
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return;
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}
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// Create new Context Effect Set
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UGES_ContextEffectsSet* EffectsLibrariesSet = NewObject<UGES_ContextEffectsSet>(this);
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// Cycle through Libraries getting Soft Obj Refs
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for (const TSoftObjectPtr<UGES_ContextEffectsLibrary>& ContextEffectSoftObj : ContextEffectsLibraries)
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{
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// Load Library Assets from Soft Obj refs
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// TODO Support Async Loading of Asset Data
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if (UGES_ContextEffectsLibrary* EffectsLibrary = ContextEffectSoftObj.LoadSynchronous())
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{
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// Call load on valid Libraries
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EffectsLibrary->LoadEffects();
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// Add new library to Set
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EffectsLibrariesSet->ContextEffectsLibraries.Add(EffectsLibrary);
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}
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}
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// Update Active Actor Effects Map
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ActiveActorEffectsMap.Emplace(OwningActor, EffectsLibrariesSet);
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}
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void UGES_ContextEffectsSubsystem::UnloadAndRemoveContextEffectsLibraries(AActor* OwningActor)
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{
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// Early out if Owning Actor is invalid
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if (OwningActor == nullptr)
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{
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return;
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}
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// Remove ref from Active Actor/Effects Set Map
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ActiveActorEffectsMap.Remove(OwningActor);
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}
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