62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "BehaviorTreeNode.h"
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#include "Engine/Core/Collections/Array.h"
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/// <summary>
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/// Base class for compound Behavior Tree nodes that composite child nodes.
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/// </summary>
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API_CLASS(Abstract) class FLAXENGINE_API BehaviorTreeCompoundNode : public BehaviorTreeNode
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{
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DECLARE_SCRIPTING_TYPE_WITH_CONSTRUCTOR_IMPL(BehaviorTreeCompoundNode, BehaviorTreeNode);
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/// <summary>
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/// List with all child nodes.
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/// </summary>
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API_FIELD(Readonly) Array<BehaviorTreeNode*, InlinedAllocation<8>> Children;
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public:
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// [BehaviorTreeNode]
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void Init(BehaviorTree* tree) override;
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BehaviorUpdateResult Update(BehaviorUpdateContext context) override;
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};
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/// <summary>
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/// Sequence node updates all its children (from left to right) as long as they return success. If any child fails, the sequence is failed.
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/// </summary>
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API_CLASS() class FLAXENGINE_API BehaviorTreeSequenceNode : public BehaviorTreeCompoundNode
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{
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DECLARE_SCRIPTING_TYPE_WITH_CONSTRUCTOR_IMPL(BehaviorTreeSequenceNode, BehaviorTreeCompoundNode);
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public:
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// [BehaviorTreeNode]
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int32 GetStateSize() const override;
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void InitState(Behavior* behavior, void* memory) override;
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BehaviorUpdateResult Update(BehaviorUpdateContext context) override;
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private:
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struct State
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{
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int32 CurrentChildIndex = 0;
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};
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};
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/// <summary>
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/// Root node of the behavior tree. Contains logic properties and definitions for the runtime.
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/// </summary>
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API_CLASS(Sealed) class FLAXENGINE_API BehaviorTreeRootNode : public BehaviorTreeSequenceNode
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{
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DECLARE_SCRIPTING_TYPE_WITH_CONSTRUCTOR_IMPL(BehaviorTreeRootNode, BehaviorTreeSequenceNode);
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API_AUTO_SERIALIZATION();
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// Full typename of the blackboard data type (structure or class). Spawned for each instance of the behavior.
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API_FIELD(Attributes="EditorOrder(0), TypeReference(\"\", \"IsValidBlackboardType\"), CustomEditorAlias(\"FlaxEditor.CustomEditors.Editors.TypeNameEditor\")")
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StringAnsi BlackboardType;
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// The target amount of the behavior logic updates per second.
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API_FIELD(Attributes="EditorOrder(10)")
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float UpdateFPS = 10.0f;
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};
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