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b156e83342
#jira none #rb Yoan.StAmant #preflight 624c465da64871f1a10a2ee6 [CL 19624175 by mikko mononen in ue5-main branch]
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "StateTreeTypes.h"
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#include "StateTreePropertyBindingCompiler.h"
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#include "StateTreeCompilerLog.h"
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class UStateTree;
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class UStateTreeState;
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class UStateTreeEditorData;
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struct FStateTreeEditorNode;
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struct FStateTreeStateLink;
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/**
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* Helper class to convert StateTree editor representation into a compact data.
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* Holds data needed during compiling.
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*/
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struct STATETREEEDITORMODULE_API FStateTreeCompiler
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{
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public:
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FStateTreeCompiler(FStateTreeCompilerLog& InLog)
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: Log(InLog)
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{
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}
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bool Compile(UStateTree& InStateTree);
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private:
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bool ResolveTransitionState(const UStateTreeState& SourceState, const FStateTreeStateLink& Link, FStateTreeHandle& OutTransitionHandle) const;
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FStateTreeHandle GetStateHandle(const FGuid& StateID) const;
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UStateTreeState* GetState(const FGuid& StateID);
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static FString GetExecutionPathString(const TConstArrayView<const UStateTreeState*> Path);
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static bool IsPathLinked(const TConstArrayView<const UStateTreeState*> Path);
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bool CreateExecutionInfos();
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bool CreateExecutionInfosRecursive(UStateTreeState& State, TArray<const UStateTreeState*>& Path);
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bool CreateStates();
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bool CreateStateRecursive(UStateTreeState& State, const FStateTreeHandle Parent);
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bool CreateStateTasks();
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bool CreateStateEvaluators();
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bool CreateStateTransitions();
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bool CreateConditions(UStateTreeState& State, TConstArrayView<FStateTreeEditorNode> Conditions);
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bool CreateCondition(UStateTreeState& State, const FStateTreeEditorNode& CondNode, const EStateTreeConditionOperand Operand, const int8 DeltaIndent);
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bool CreateTask(UStateTreeState& State, const FStateTreeEditorNode& TaskNode);
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bool CreateEvaluator(UStateTreeState& State, const FStateTreeEditorNode& EvalNode);
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bool GetAndValidateBindings(UStateTreeState& State, const FStateTreeBindableStructDesc& TargetStruct, TArray<FStateTreeEditorPropertyBinding>& OutBindings) const;
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bool IsPropertyAnyEnum(const FStateTreeBindableStructDesc& Struct, FStateTreeEditorPropertyPath Path) const;
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struct FExecutionPath
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{
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FExecutionPath() = default;
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FExecutionPath(const TConstArrayView<const UStateTreeState*> InPath) : Path(InPath) {}
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TArray<const UStateTreeState*> Path;
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};
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struct FStateExecutionInfo
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{
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TArray<FExecutionPath> ExecutionPaths;
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};
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FStateTreeCompilerLog& Log;
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UStateTree* StateTree = nullptr;
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UStateTreeEditorData* TreeData = nullptr;
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TMap<FGuid, int32> IDToState;
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TArray<UStateTreeState*> SourceStates;
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TMap<UStateTreeState*, FStateExecutionInfo> ExecutionInfos;
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FStateTreePropertyBindingCompiler BindingsCompiler;
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};
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