76 lines
2.7 KiB
C#
76 lines
2.7 KiB
C#
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#if GRAPH_DESIGNER
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/// ---------------------------------------------
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/// Behavior Designer
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.BehaviorDesigner.Runtime.Groups
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{
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using Opsive.BehaviorDesigner.Runtime.Systems;
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using Unity.Entities;
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/// <summary>
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/// Main group for the systems that are responsible for traversing the behavior tree.
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/// </summary>
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[UpdateInGroup(typeof(BehaviorTreeSystemGroup))]
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[UpdateAfter(typeof(InterruptSystemGroup))]
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public partial class TraversalSystemGroup : ComponentSystemGroup
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{
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private SystemHandle m_EvaluationSystemHandle;
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private SystemHandle m_DetermineEvaluationSystemHandle;
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/// <summary>
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/// The group has been created.
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/// </summary>
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protected override void OnCreate()
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{
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base.OnCreate();
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m_EvaluationSystemHandle = World.GetExistingSystem<EvaluationSystem>();
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m_DetermineEvaluationSystemHandle = World.GetExistingSystem<DetermineEvaluationSystem>();
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}
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/// <summary>
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/// Updates the systems. Determines if the systems need to keep being evaluated.
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/// </summary>
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protected override void OnUpdate()
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{
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#if UNITY_EDITOR
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var count = 0;
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#endif
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bool evaluate;
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do {
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base.OnUpdate();
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var determineEvaluationSystem = EntityManager.WorldUnmanaged.GetUnsafeSystemRef<DetermineEvaluationSystem>(m_DetermineEvaluationSystemHandle);
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determineEvaluationSystem.Complete(EntityManager);
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evaluate = determineEvaluationSystem.Evaluate;
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var evaluationSystem = EntityManager.WorldUnmanaged.GetUnsafeSystemRef<EvaluationSystem>(m_EvaluationSystemHandle);
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evaluationSystem.Complete(EntityManager);
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#if UNITY_EDITOR
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if (evaluate) {
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count++;
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if (count == ushort.MaxValue / 10) {
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UnityEngine.Debug.LogWarning("An infinite loop would have been caused by the TraversalSystemGroup. Please email support@opsive.com with steps to reproduce this error.");
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break;
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}
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}
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#endif
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} while (evaluate);
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}
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/// <summary>
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/// The group has stopped running.
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/// </summary>
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protected override void OnStopRunning()
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{
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base.OnStopRunning();
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var evaluationSystem = EntityManager.WorldUnmanaged.GetUnsafeSystemRef<EvaluationSystem>(m_EvaluationSystemHandle);
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evaluationSystem.Complete(EntityManager, true);
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}
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}
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}
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#endif
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