73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Types/Variant.h"
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#include "Engine/Core/Collections/BitArray.h"
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#include "Engine/Scripting/ScriptingObject.h"
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class Behavior;
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class BehaviorTree;
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/// <summary>
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/// Behavior logic component knowledge data container. Contains blackboard values, sensors data and goals storage for Behavior Tree execution.
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/// </summary>
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API_CLASS() class FLAXENGINE_API BehaviorKnowledge : public ScriptingObject
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{
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DECLARE_SCRIPTING_TYPE_WITH_CONSTRUCTOR_IMPL(BehaviorKnowledge, ScriptingObject);
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~BehaviorKnowledge();
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/// <summary>
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/// Owning Behavior instance (constant).
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/// </summary>
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API_FIELD(ReadOnly) Behavior* Behavior = nullptr;
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/// <summary>
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/// Used Behavior Tree asset (defines blackboard and memory constraints).
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/// </summary>
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API_FIELD(ReadOnly) BehaviorTree* Tree = nullptr;
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/// <summary>
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/// Raw memory chunk with all Behavior Tree nodes state.
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/// </summary>
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void* Memory = nullptr;
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/// <summary>
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/// Array with per-node bit indicating whether node is relevant (active in graph with state created).
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/// </summary>
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BitArray<> RelevantNodes;
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/// <summary>
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/// Instance of the behaviour blackboard (structure or class).
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/// </summary>
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API_FIELD() Variant Blackboard;
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/// <summary>
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/// Initializes the knowledge for a certain tree.
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/// </summary>
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void InitMemory(BehaviorTree* tree);
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/// <summary>
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/// Releases the memory of the knowledge.
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/// </summary>
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void FreeMemory();
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/// <summary>
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/// Gets the knowledge item value via selector path.
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/// </summary>
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/// <seealso cref="BehaviorKnowledgeSelector{T}"/>
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/// <param name="path">Selector path.</param>
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/// <param name="value">Result value (valid only when returned true).</param>
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/// <returns>True if got value, otherwise false.</returns>
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API_FUNCTION() bool Get(const StringAnsiView& path, API_PARAM(Out) Variant& value);
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/// <summary>
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/// Sets the knowledge item value via selector path.
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/// </summary>
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/// <seealso cref="BehaviorKnowledgeSelector{T}"/>
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/// <param name="path">Selector path.</param>
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/// <param name="value">Value to set.</param>
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/// <returns>True if set value, otherwise false.</returns>
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API_FUNCTION() bool Set(const StringAnsiView& path, const Variant& value);
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};
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