Step 1: the Salty project, two modules, tests and the gym
Salty.uproject (UE 5.8) from the Third Person template with class redirects, the SaltyCore and Salty modules, the three build targets, USaltyAssetManager calling InitGlobalData, Config/Tags with the 23 root namespaces, Scripts/run-tests.sh, build.sh and Authoring/create_gym.py, L_Gym, Git LFS attributes and the placeholder test. Template variants kept as reference (D-41). The four Fab packs stay out of the repository for now (~10 GB). The editor serves the engine MCP plugin on 127.0.0.1:8000 through DefaultEditorPerProjectUserSettings.ini. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Rainer Leit
co-authored by
Claude Fable 5.1
Claude Fable 5.1
parent
0e61a77346
commit
4f2c55cd2a
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "CombatStateTreeUtility.h"
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#include "StateTreeExecutionContext.h"
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#include "StateTreeExecutionTypes.h"
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#include "Engine/World.h"
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#include "GameFramework/Character.h"
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#include "GameFramework/CharacterMovementComponent.h"
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#include "AIController.h"
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#include "CombatEnemy.h"
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#include "Kismet/GameplayStatics.h"
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#include "StateTreeAsyncExecutionContext.h"
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bool FStateTreeCharacterGroundedCondition::TestCondition(FStateTreeExecutionContext& Context) const
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{
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const FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// is the character currently grounded?
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bool bCondition = InstanceData.Character->GetMovementComponent()->IsMovingOnGround();
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return InstanceData.bMustBeOnAir ? !bCondition : bCondition;
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}
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#if WITH_EDITOR
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FText FStateTreeCharacterGroundedCondition::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Is Character Grounded</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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bool FStateTreeIsInDangerCondition::TestCondition(FStateTreeExecutionContext& Context) const
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{
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const FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// ensure we have a valid enemy character
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if (InstanceData.Character)
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{
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// is the last detected danger event within the reaction threshold?
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const float ReactionDelta = InstanceData.Character->GetWorld()->GetTimeSeconds() - InstanceData.Character->GetLastDangerTime();
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if (ReactionDelta < InstanceData.MaxReactionTime && ReactionDelta > InstanceData.MinReactionTime)
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{
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// do a dot product check to determine if the danger location is within the character's detection cone
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const FVector DangerDir = (InstanceData.Character->GetLastDangerLocation() - InstanceData.Character->GetActorLocation()).GetSafeNormal2D();
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const float DangerDot = FVector::DotProduct(DangerDir, InstanceData.Character->GetActorForwardVector());
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const float ConeAngleCos = FMath::Cos(FMath::DegreesToRadians(InstanceData.DangerSightConeAngle));
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return DangerDot > ConeAngleCos;
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}
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}
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return false;
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}
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#if WITH_EDITOR
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FText FStateTreeIsInDangerCondition::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Is Character In Danger</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeComboAttackTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// bind to the on attack completed delegate
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InstanceData.Character->OnAttackCompleted.BindLambda(
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[WeakContext = Context.MakeWeakExecutionContext()]()
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{
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WeakContext.FinishTask(EStateTreeFinishTaskType::Succeeded);
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}
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);
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// tell the character to do a combo attack
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InstanceData.Character->DoAIComboAttack();
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return EStateTreeRunStatus::Running;
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}
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void FStateTreeComboAttackTask::ExitState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// unbind the on attack completed delegate
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InstanceData.Character->OnAttackCompleted.Unbind();
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}
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#if WITH_EDITOR
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FText FStateTreeComboAttackTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Do Combo Attack</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeChargedAttackTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// bind to the on attack completed delegate
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InstanceData.Character->OnAttackCompleted.BindLambda(
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[WeakContext = Context.MakeWeakExecutionContext()]()
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{
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WeakContext.FinishTask(EStateTreeFinishTaskType::Succeeded);
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}
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);
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// tell the character to do a charged attack
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InstanceData.Character->DoAIChargedAttack();
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return EStateTreeRunStatus::Running;
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}
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void FStateTreeChargedAttackTask::ExitState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// unbind the on attack completed delegate
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InstanceData.Character->OnAttackCompleted.Unbind();
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}
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#if WITH_EDITOR
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FText FStateTreeChargedAttackTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Do Charged Attack</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeWaitForLandingTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// bind to the on enemy landed delegate
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InstanceData.Character->OnEnemyLanded.BindLambda(
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[WeakContext = Context.MakeWeakExecutionContext()]()
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{
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WeakContext.FinishTask(EStateTreeFinishTaskType::Succeeded);
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}
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);
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return EStateTreeRunStatus::Running;
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}
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void FStateTreeWaitForLandingTask::ExitState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// unbind the on enemy landed delegate
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InstanceData.Character->OnEnemyLanded.Unbind();
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}
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#if WITH_EDITOR
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FText FStateTreeWaitForLandingTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Wait for Landing</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeFaceActorTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// set the AI Controller's focus
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InstanceData.Controller->SetFocus(InstanceData.ActorToFaceTowards);
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return EStateTreeRunStatus::Running;
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}
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void FStateTreeFaceActorTask::ExitState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// clear the AI Controller's focus
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InstanceData.Controller->ClearFocus(EAIFocusPriority::Gameplay);
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}
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#if WITH_EDITOR
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FText FStateTreeFaceActorTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Face Towards Actor</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeFaceLocationTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// set the AI Controller's focus
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InstanceData.Controller->SetFocalPoint(InstanceData.FaceLocation);
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return EStateTreeRunStatus::Running;
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}
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void FStateTreeFaceLocationTask::ExitState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// clear the AI Controller's focus
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InstanceData.Controller->ClearFocus(EAIFocusPriority::Gameplay);
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}
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#if WITH_EDITOR
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FText FStateTreeFaceLocationTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Face Towards Location</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeSetCharacterSpeedTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// set the character's max ground speed
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InstanceData.Character->GetCharacterMovement()->MaxWalkSpeed = InstanceData.Speed;
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return EStateTreeRunStatus::Running;
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}
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#if WITH_EDITOR
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FText FStateTreeSetCharacterSpeedTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Set Character Speed</b>");
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}
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#endif // WITH_EDITOR
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////////////////////////////////////////////////////////////////////
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EStateTreeRunStatus FStateTreeGetPlayerInfoTask::EnterState(FStateTreeExecutionContext& Context, const FStateTreeTransitionResult& Transition) const
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{
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// get the instance data
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FInstanceDataType& InstanceData = Context.GetInstanceData(*this);
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// reset the selected target
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ACharacter* SelectedTarget = nullptr;
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// iterate through each local player
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const int32 NumPlayers = UGameplayStatics::GetNumLocalPlayerControllers(InstanceData.Character);
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for (int32 i = 0; i < NumPlayers; ++i)
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{
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if (ACharacter* Current = Cast<ACharacter>(UGameplayStatics::GetPlayerPawn(InstanceData.Character, i)))
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{
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// compute the distance to the target
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const float TargetDist = (Current->GetActorLocation() - InstanceData.Character->GetActorLocation()).Size();
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// is this target within range?
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if (TargetDist < InstanceData.MaxRange)
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{
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// have we selected a valid target already?
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if (SelectedTarget)
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{
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// randomly switch to the new target
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if (FMath::RandBool())
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{
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SelectedTarget = Current;
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}
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}
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else
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{
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// no valid target yet, so choose this one
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SelectedTarget = Current;
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}
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}
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}
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}
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// set the new target
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InstanceData.TargetPlayerCharacter = SelectedTarget;
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// if the target is not valid, fail the task
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if (!SelectedTarget)
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{
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return EStateTreeRunStatus::Failed;
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}
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// set the target location and distance
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InstanceData.TargetPlayerLocation = SelectedTarget->GetActorLocation();
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InstanceData.DistanceToTarget = (SelectedTarget->GetActorLocation() - InstanceData.Character->GetActorLocation()).Size();
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// succeed
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return EStateTreeRunStatus::Succeeded;
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}
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#if WITH_EDITOR
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FText FStateTreeGetPlayerInfoTask::GetDescription(const FGuid& ID, FStateTreeDataView InstanceDataView, const IStateTreeBindingLookup& BindingLookup, EStateTreeNodeFormatting Formatting /*= EStateTreeNodeFormatting::Text*/) const
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{
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return FText::FromString("<b>Get Player Info</b>");
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}
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#endif // WITH_EDITOR
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