491 lines
28 KiB
C#
491 lines
28 KiB
C#
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//============= Copyright (c) Ludic GmbH, All rights reserved. ==============
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//
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// Purpose: Part of the My Behaviour Tree Code
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//
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//=============================================================================
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Serialization;
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using UnityEngine;
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namespace MyBT {
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public enum CompositeParameter {
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Undefined,
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Sequence,
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Selector,
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Race,
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Marathon,
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}
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// [XmlInclude(typeof(CompositeNode))]
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public class CompositeNode : Node {
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[SerializeField]
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public List<CompositeParameter> parameters;
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[SerializeField]
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private CompositeParameter compositeType = CompositeParameter.Undefined;
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public bool Has(CompositeParameter compositeParameter) {
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return parameters.Contains(compositeParameter);
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}
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public void Init(int _nodeDepth, Token[] _tokens, List<string> stringParameter) {
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base.Init(_nodeDepth, _tokens);
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parameters = new List<CompositeParameter>();
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for (int i = 0; i < stringParameter.Count; i++) {
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CompositeParameter compositeParameter = CompositeParameter.Undefined;
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if (Enum.TryParse(stringParameter[i], out compositeParameter)) {
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parameters.Add(compositeParameter);
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}
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else {
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UnityEngine.Debug.LogError("CompositeNode." + this + " cannot convert parameter " + stringParameter[i]);
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//throw new Exception("CompositeNode." + this + " cannot convert parameter " + stringParameter[i]);
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}
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}
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if (Has(CompositeParameter.Race)) {
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compositeType = CompositeParameter.Race;
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}
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else if (Has(CompositeParameter.Marathon)) {
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compositeType = CompositeParameter.Marathon;
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}
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else if (Has(CompositeParameter.Sequence)) {
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compositeType = CompositeParameter.Sequence;
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}
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else if (Has(CompositeParameter.Selector)) {
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compositeType = CompositeParameter.Selector;
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}
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}
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/// <summary>
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/// reset the whole behaviour tree structure
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/// </summary>
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public override void Destroy() {
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base.Destroy();
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parameters = null;
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//activeNodeId = 0;
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}
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public override IEnumerable<NodeResult> Tick(NodeRuntimeData parentNodeRuntimeData, int recursions) {
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if (debugInternalActive) {
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Debug.Log(NodeLogger($"Tick", $""));
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}
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// only work with 1 child && failsave in case we have an infinite loop
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if (recursions < recursionLimit) {
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using (NodeRuntimeData myNodeRuntimeData = new NodeRuntimeData(this, parentNodeRuntimeData)) {
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myNodeRuntimeData.taskHasChanges = false;
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.OnStart", $"{myNodeRuntimeData} nodeResult {myNodeRuntimeData.nodeResult} nodeState {myNodeRuntimeData.nodeState}"));
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switch (compositeType) {
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/// <summary>
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/// Selector (fallback) node
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///
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/// Runs all Children in sequence:
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/// - any child running -> continue in loop
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/// - any child failed -> continue in loop
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/// - any child success -> abort loop with succeeded result
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/// - finally -> exit failed (there is no looping)
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///
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/// In pseudocode, the algorithm for a fallback composition is:
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/// 1 for i from 1 to n do
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/// 2 childstatus ← Tick(child(i))
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/// 3 if childstatus = success
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/// 4 return success
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/// 5 end
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/// 6 return failure
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/// </summary>
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case CompositeParameter.Selector:
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//int selectorIndex = 0;
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myNodeRuntimeData.nodeResult = NodeResult.Continue;
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for (int selectorIndex = 0; selectorIndex < children.Count; selectorIndex++) {
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myNodeRuntimeData.currentIndex = selectorIndex;
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//while (myNodeRuntimeData.nodeResult == NodeResult.Continue) {
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myNodeRuntimeData.tickExecuteEnumerator = children[selectorIndex].Tick(myNodeRuntimeData, recursions + 1).GetEnumerator();
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// must be run before MoveNext
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myNodeRuntimeData.taskHasChanges = base.PreTick(NodeExecute.Run, myNodeRuntimeData);
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while ((myNodeRuntimeData.tickExecuteEnumerator != null) && myNodeRuntimeData.tickExecuteEnumerator.MoveNext() && (myNodeRuntimeData.nodeResult == NodeResult.Continue)){
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//if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Selector", $"{selectorIndex} exec {children[selectorIndex]} childResult {myNodeRuntimeData.tickEnumerator.Current}"));
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// selector succeedes when any child succeedes
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if (myNodeRuntimeData.tickExecuteEnumerator.Current == NodeResult.Succeeded) {
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myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
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}
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// if last selector fails all children have failed
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if ((myNodeRuntimeData.tickExecuteEnumerator.Current == NodeResult.Failed) && (selectorIndex == children.Count - 1)) {
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myNodeRuntimeData.nodeResult = NodeResult.Failed;
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}
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myNodeRuntimeData.taskHasChanges |= base.PostTick(NodeExecute.Run, myNodeRuntimeData);
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Selector", $"childResult {myNodeRuntimeData.tickExecuteEnumerator.Current} nodeState {myNodeRuntimeData.nodeState} nodeResult {myNodeRuntimeData.nodeResult}"));
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yield return myNodeRuntimeData.nodeResult;
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if (myNodeRuntimeData.taskHasChanges && taskController) {
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taskController.SetUiUpdate();
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}
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if (myNodeRuntimeData.nodeResult != NodeResult.Continue) {
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yield break;
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}
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// this should not be run again if it isnt in runnning mode anymore
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if (myNodeRuntimeData.nodeState == NodeState.Running) {
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myNodeRuntimeData.taskHasChanges = PreTick(NodeExecute.Run, myNodeRuntimeData);
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}
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}
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if (myNodeRuntimeData.nodeState != NodeState.Running) {
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break;
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}
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}
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myNodeRuntimeData.nodeResult = NodeResult.Failed;
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yield return myNodeRuntimeData.nodeResult;
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Selector", $"finished nodeState {myNodeRuntimeData.nodeState} nodeResult {myNodeRuntimeData.nodeResult}"));
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yield break;
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/// <summary>
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/// Sequence node
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///
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/// Starts all Children in sequence:
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/// - any child running -> continue running
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/// - any child success -> continue running
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/// - any child failed -> abort loop with failed result
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/// - finally -> return success result
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///
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/// In pseudocode, the algorithm for a sequence composition is:
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/// 1 for i from 1 to n do
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/// 2 childstatus ← Tick(child(i))
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/// 3 if childstatus = failure
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/// 4 return failure
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/// 5 end
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/// 6 return success
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/// </summary>
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case CompositeParameter.Sequence:
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myNodeRuntimeData.nodeResult = NodeResult.Continue;
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for (int sequenceIndex = 0; sequenceIndex < children.Count; sequenceIndex++) {
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myNodeRuntimeData.currentIndex = sequenceIndex;
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myNodeRuntimeData.tickExecuteEnumerator = children[sequenceIndex].Tick(myNodeRuntimeData, recursions + 1).GetEnumerator();
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// must be run before MoveNext
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myNodeRuntimeData.taskHasChanges = base.PreTick(NodeExecute.Run, myNodeRuntimeData);
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while ((myNodeRuntimeData.tickExecuteEnumerator != null) && myNodeRuntimeData.tickExecuteEnumerator.MoveNext() && (myNodeRuntimeData.nodeResult == NodeResult.Continue)) {
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// if any child fails, return failure
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if (myNodeRuntimeData.tickExecuteEnumerator.Current == NodeResult.Failed) {
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myNodeRuntimeData.nodeResult = NodeResult.Failed;
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}
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// if the last child succeedes, return succeeded
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if ((myNodeRuntimeData.tickExecuteEnumerator.Current == NodeResult.Succeeded) && (sequenceIndex == children.Count - 1)) {
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myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
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}
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myNodeRuntimeData.taskHasChanges |= base.PostTick(NodeExecute.Run, myNodeRuntimeData);
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Sequence", $"exec {sequenceIndex} childResult {myNodeRuntimeData.tickExecuteEnumerator.Current} nodeResult {myNodeRuntimeData.nodeResult}"));
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yield return myNodeRuntimeData.nodeResult;
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if (myNodeRuntimeData.taskHasChanges && taskController) {
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taskController.SetUiUpdate();
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}
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if (myNodeRuntimeData.nodeResult != NodeResult.Continue) {
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yield break;
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}
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// this should not be run again if it isnt in runnning mode anymore
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if (myNodeRuntimeData.nodeState == NodeState.Running) {
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myNodeRuntimeData.taskHasChanges = PreTick(NodeExecute.Run, myNodeRuntimeData);
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}
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}
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if (myNodeRuntimeData.nodeState != NodeState.Running) {
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break;
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}
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}
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myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
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yield return myNodeRuntimeData.nodeResult;
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Selector", $"finished nodeState {myNodeRuntimeData.nodeState} nodeResult {myNodeRuntimeData.nodeResult}"));
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yield break;
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/// <summary>
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/// Marathon Node
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///
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/// Starts all Children in parallel:
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/// - any child running -> continue in loop
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/// - any child success -> continue in loop
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/// - any child failed -> continue in loop
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/// - return after 1 iteration
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/// - succeed when all are succeeded or failed
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/// </summary>
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case CompositeParameter.Marathon:
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myNodeRuntimeData.childResults = new NodeResult[children.Count];
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myNodeRuntimeData.subTickExecuteEnumerators = new IEnumerator<NodeResult>[children.Count];
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for (int i = 0; i < children.Count; i++) {
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myNodeRuntimeData.childResults[i] = NodeResult.Continue;
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myNodeRuntimeData.subTickExecuteEnumerators[i] = children[i].Tick(myNodeRuntimeData, recursions + 1).GetEnumerator();
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}
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myNodeRuntimeData.nodeResult = NodeResult.Continue;
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myNodeRuntimeData.taskHasChanges = base.PreTick(NodeExecute.Run, myNodeRuntimeData);
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while (myNodeRuntimeData.nodeResult == NodeResult.Continue) {
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// run one interation of all childs
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for (int i = 0; i < children.Count; i++) {
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// if in continue, run
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if (debugInternalActive) Debug.Log(NodeLogger($"HandleMarathonExecute.BeforeRunning", $"running {i} {myNodeRuntimeData.childResults[i]} {children[i].GetType().ToString()}"));
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if (myNodeRuntimeData.childResults[i] == NodeResult.Continue) {
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myNodeRuntimeData.subTickExecuteEnumerators[i].MoveNext();
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myNodeRuntimeData.childResults[i] = (NodeResult)myNodeRuntimeData.subTickExecuteEnumerators[i].Current;
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if (myNodeRuntimeData.childResults[i] == NodeResult.Undefined) {
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//throw new System.ArgumentException("Parameter should not be undefined", $"childResults[{i}] -> {childResults[i]} from {children[i].ToString()}");
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Debug.LogError(NodeLogger($"HandleMarathonExecute", $"Parameter should not be undefined childResults[{i}] -> NodeResult.Undefined")); // from {children[i].ToString()}");
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}
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if (myNodeRuntimeData.childResults[i] == NodeResult.Error) {
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Debug.LogError(NodeLogger($"HandleMarathonExecute", $"error in child {i} : {children[i]}"));
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}
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}
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if (debugInternalActive) Debug.Log(NodeLogger($"HandleMarathonExecute.AfterRunning", $"running {i} {myNodeRuntimeData.childResults[i]}"));
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}
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#if false // nice but slow
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// evaluate results
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bool allSucceededOrFailed = myNodeRuntimeData.childResults.All(result => ((result == NodeResult.Succeeded) || (result == NodeResult.Failed)));
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bool anyError = myNodeRuntimeData.childResults.Any(result => result == NodeResult.Error);
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if (anyError) {
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Debug.LogError(NodeLogger($"HandleMarathonExecute", "HandleMarathonExecute: some node returned error"));
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myNodeRuntimeData.nodeResult = NodeResult.Error;
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}
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#else
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bool allSucceededOrFailed = true;
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foreach (NodeResult childResult in myNodeRuntimeData.childResults) {
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switch (childResult) {
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case NodeResult.Succeeded:
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case NodeResult.Failed:
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break;
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case NodeResult.Undefined:
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case NodeResult.Continue:
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allSucceededOrFailed = false;
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break;
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case NodeResult.Error:
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myNodeRuntimeData.nodeResult = NodeResult.Error;
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break;
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}
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//if (childResult == NodeResult.Error) {
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// //anyError = true;
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// Debug.LogError(NodeLogger($"HandleMarathonExecute", "HandleMarathonExecute: some node returned error"));
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// myNodeRuntimeData.nodeResult = NodeResult.Error;
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// break;
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//}
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//if ( ! ((childResult == NodeResult.Succeeded) || (childResult == NodeResult.Failed)) ) {
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// allSucceededOrFailed = false;
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// //myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
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// break;
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//}
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}
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#endif
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// generate result
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if (allSucceededOrFailed) {
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myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
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}
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myNodeRuntimeData.taskHasChanges |= base.PostTick(NodeExecute.Run, myNodeRuntimeData);
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if (myNodeRuntimeData.taskHasChanges && taskController) {
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taskController.SetUiUpdate();
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}
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if (debugInternalActive) Debug.Log(NodeLogger($"HandleMarathonExecute.Final", $"return {myNodeRuntimeData.nodeResult}"));
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yield return myNodeRuntimeData.nodeResult;
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// this should not be run again if it isnt in runnning mode anymore
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if (myNodeRuntimeData.nodeState == NodeState.Running) {
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Cleanup", $"changed to {myNodeRuntimeData.nodeResult}"));
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myNodeRuntimeData.taskHasChanges = PreTick(NodeExecute.Run, myNodeRuntimeData);
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}
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else {
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if (debugInternalActive) Debug.Log(NodeLogger($"Tick.Cleanup", $"Testing, should be executed once after success of enumerator"));
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}
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}
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yield break;
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/// <summary>
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/// Race Node
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///
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/// Starts all Children in parallel:
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/// - any child running -> continue in loop
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/// - any child success -> return success, abort all remaining running
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/// - any child failed -> continue in loop
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/// - return after 1 iteration
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/// - if all fail, fail.
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|
/// </summary>
|
|||
|
|
case CompositeParameter.Race:
|
|||
|
|
myNodeRuntimeData.childResults = new NodeResult[children.Count];
|
|||
|
|
myNodeRuntimeData.subTickExecuteEnumerators = new IEnumerator<NodeResult>[children.Count];
|
|||
|
|
for (int i = 0; i < children.Count; i++) {
|
|||
|
|
myNodeRuntimeData.childResults[i] = NodeResult.Continue;
|
|||
|
|
myNodeRuntimeData.subTickExecuteEnumerators[i] = children[i].Tick(myNodeRuntimeData, recursions + 1).GetEnumerator();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Continue;
|
|||
|
|
myNodeRuntimeData.taskHasChanges = base.PreTick(NodeExecute.Run, myNodeRuntimeData);
|
|||
|
|
while (myNodeRuntimeData.nodeResult == NodeResult.Continue) {
|
|||
|
|
// run one interation of all childs
|
|||
|
|
for (int i = 0; i < children.Count; i++) {
|
|||
|
|
if (myNodeRuntimeData.childResults[i] == NodeResult.Continue) {
|
|||
|
|
myNodeRuntimeData.subTickExecuteEnumerators[i].MoveNext();
|
|||
|
|
myNodeRuntimeData.childResults[i] = myNodeRuntimeData.subTickExecuteEnumerators[i].Current;
|
|||
|
|
if (debugInternalActive) Debug.Log(NodeLogger($"Race", $"node resulted in {myNodeRuntimeData.childResults[i]}"));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (myNodeRuntimeData.childResults[i] == NodeResult.Error) {
|
|||
|
|
if (debugInternalActive) Debug.LogError(NodeLogger($"Race", $"{children[i]} has error"));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#if false
|
|||
|
|
// nice but slow?
|
|||
|
|
bool anySucceeded = myNodeRuntimeData.childResults.Any(result => result == NodeResult.Succeeded);
|
|||
|
|
bool allFailed = myNodeRuntimeData.childResults.All(result => result == NodeResult.Failed);
|
|||
|
|
bool anyError = myNodeRuntimeData.childResults.Any(result => result == NodeResult.Error);
|
|||
|
|
|
|||
|
|
if (anyError) {
|
|||
|
|
Debug.LogError(NodeLogger($"Race", "some node returned error"));
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Error;
|
|||
|
|
}
|
|||
|
|
if (anySucceeded) {
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
bool allFailed = true;
|
|||
|
|
foreach (NodeResult childResult in myNodeRuntimeData.childResults) {
|
|||
|
|
switch (childResult) {
|
|||
|
|
case NodeResult.Failed:
|
|||
|
|
break;
|
|||
|
|
case NodeResult.Succeeded:
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
|
|||
|
|
goto case NodeResult.Undefined;
|
|||
|
|
case NodeResult.Undefined:
|
|||
|
|
case NodeResult.Continue:
|
|||
|
|
allFailed = false;
|
|||
|
|
break;
|
|||
|
|
case NodeResult.Error:
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Error;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//if (childResult != NodeResult.Failed) {
|
|||
|
|
// allFailed = false;
|
|||
|
|
//}
|
|||
|
|
//if (childResult == NodeResult.Error) {
|
|||
|
|
// //anyError = true;
|
|||
|
|
// Debug.LogError(NodeLogger($"Race", "some node returned error"));
|
|||
|
|
// myNodeRuntimeData.nodeResult = NodeResult.Error;
|
|||
|
|
// break;
|
|||
|
|
//}
|
|||
|
|
//if (childResult == NodeResult.Succeeded) {
|
|||
|
|
// //anySucceeded = true;
|
|||
|
|
// myNodeRuntimeData.nodeResult = NodeResult.Succeeded;
|
|||
|
|
// break;
|
|||
|
|
//}
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
if (allFailed) {
|
|||
|
|
myNodeRuntimeData.nodeResult = NodeResult.Failed;
|
|||
|
|
}
|
|||
|
|
myNodeRuntimeData.taskHasChanges |= base.PostTick(NodeExecute.Run, myNodeRuntimeData);
|
|||
|
|
|
|||
|
|
if (myNodeRuntimeData.taskHasChanges && taskController) {
|
|||
|
|
taskController.SetUiUpdate();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (debugInternalActive) Debug.Log(NodeLogger($"Race", $"HandleRaceExecute: result {myNodeRuntimeData.nodeResult}"));
|
|||
|
|
yield return myNodeRuntimeData.nodeResult;
|
|||
|
|
|
|||
|
|
// this should not be run again if it isnt in runnning mode anymore
|
|||
|
|
if (myNodeRuntimeData.nodeState == NodeState.Running) {
|
|||
|
|
if (debugInternalActive) Debug.Log(NodeLogger($"Race", $"changed to {myNodeRuntimeData.nodeResult}"));
|
|||
|
|
myNodeRuntimeData.taskHasChanges = PreTick(NodeExecute.Run, myNodeRuntimeData);
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
if (debugInternalActive) Debug.Log(NodeLogger($"Race", $"Testing, should be executed once after success of enumerator"));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
yield break;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
Debug.LogError(NodeLogger($"Tick", "no behaviour defined for CompositeNode, use at least Sequence or Parallel"));
|
|||
|
|
yield break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
Debug.LogError(NodeLogger("RunTreeNode.Tick", $"recursions {recursions}"));
|
|||
|
|
taskController.SetUiUpdate();
|
|||
|
|
yield return NodeResult.Error;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
yield break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
public override Node Duplicate () {
|
|||
|
|
CompositeNode tn = ScriptableObject.CreateInstance<CompositeNode>();
|
|||
|
|
base.BaseDuplicate (tn);
|
|||
|
|
|
|||
|
|
// CompositeNode tn = base.Duplicate() as CompositeNode;
|
|||
|
|
tn.parameters = parameters;
|
|||
|
|
tn.compositeType = compositeType;
|
|||
|
|
return tn;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public string ToString (NodeRuntimeData myNodeRuntimeData) {
|
|||
|
|
string customData = "";
|
|||
|
|
|
|||
|
|
switch (compositeType) {
|
|||
|
|
case CompositeParameter.Race:
|
|||
|
|
case CompositeParameter.Marathon:
|
|||
|
|
customData += "CResults: ";
|
|||
|
|
if (myNodeRuntimeData.childResults != null) {
|
|||
|
|
for (int i = 0; i < children.Count; i++) {
|
|||
|
|
if (i < myNodeRuntimeData.childResults.Length) {
|
|||
|
|
customData += myNodeRuntimeData.childResults[i] + " ";
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case CompositeParameter.Sequence:
|
|||
|
|
//customData += "Index: "+sequenceIndex;
|
|||
|
|
break;
|
|||
|
|
case CompositeParameter.Selector:
|
|||
|
|
//customData += "Index: "+selectorIndex;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return base.ToString() + " " + customData;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|