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c135ebcd95
+ Added StateTree parameters usable for data bindings and that could be overriden on context initialization by a StateTreeReference + Added StateTreeReference struct to hold a reference to a StateTree asset along with a list of values to parameterized the tree. + Added named external data items that are defined bt the Schema and for which values must be provided at runtime through the execution context. + Added delegate OnPostCompile after successful compilation. The StateTreeReference listens to it to validate its parameters + EditorData now contains its own version of the schema and parameters. On successful compilation they are copied over the StateTree own properties. #rnx #rb mikko.mononen #preflight 6255d281647ad886b3593cb0 [CL 19727363 by Yoan StAmant in ue5-main branch]
62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "StateTreeTypes.h"
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#include "StateTreeSchema.generated.h"
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/**
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* Schema describing which inputs, evaluators, and tasks a StateTree can contain.
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* Each StateTree asset saves the schema class name in asset data tags, which can be
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* used to limit which StatTree assets can be selected per use case, i.e.:
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*
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* UPROPERTY(EditDefaultsOnly, Category = AI, meta=(RequiredAssetDataTags="Schema=StateTreeSchema_SupaDupa"))
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* UStateTree* StateTree;
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*
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*/
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UCLASS(Abstract)
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class STATETREEMODULE_API UStateTreeSchema : public UObject
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{
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GENERATED_BODY()
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public:
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/** @return Returns the script struct the storage struct will be derived from. */
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virtual UScriptStruct* GetStorageSuperStruct() const { return nullptr; }
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/** @return True if specified struct is supported */
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virtual bool IsStructAllowed(const UScriptStruct* InScriptStruct) const { return false; }
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/** @return True if specified class is supported */
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virtual bool IsClassAllowed(const UClass* InScriptStruct) const { return false; }
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/** @return True if specified struct/class is supported as external data */
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virtual bool IsExternalItemAllowed(const UStruct& InStruct) const { return false; }
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/**
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* Helper function to check if a class is any of the Blueprint extendable item classes (Eval, Task, Condition).
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* Can be used to quickly accept all of those classes in IsClassAllowed().
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* @return True if the class is a StateTree item Blueprint base class.
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*/
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bool IsChildOfBlueprintBase(const UClass* InClass) const;
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/** @return List of named external data enforced by the schema. They must be provided at runtime through the execution context. */
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virtual TConstArrayView<FStateTreeExternalDataDesc> GetNamedExternalDataDescs() const { return {}; }
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/** @return List of mutable named external data enforced by the schema. They must be provided at runtime through the execution context. */
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virtual TArrayView<FStateTreeExternalDataDesc> GetMutableNamedExternalDataDescs() { return {}; }
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#if WITH_EDITOR
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/** @return True if enter conditions are allowed. */
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virtual bool AllowEnterConditions() const { return true; }
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/** @return True if evaluators are allowed. */
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virtual bool AllowEvaluators() const { return true; }
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/** @return True if multiple tasks are allowed. */
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virtual bool AllowMultipleTasks() const { return true; }
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#endif // WITH_EDITOR
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};
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