638 lines
21 KiB
C#
638 lines
21 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using RPGCreationKit;
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using RPGCreationKit.BehaviourTree;
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using System.Linq;
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namespace RPGCreationKit.AI
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{
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/// <summary>
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/// Manages the Behaviour Trees and the interactions with the AI agent from a tree.
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/// </summary>
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public class AIBehaviourTreed : AICombatSystem
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{
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public TreeTickRate tickRate;
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public int xFrames = 5;
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public float xSeconds = 1f;
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public PurposeState purposeState;
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[Space(10)]
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[Header("Behaviour Tree Control")]
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public bool useBT = true;
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public bool pauseBT = false;
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public RPGCK_BT currentBehaviour;
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public bool isUsingPurposeBehaviour = true;
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public RPGCK_BT purposeBehaviourTree;
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public RPGCK_BT combatBehaviourTree;
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[Header("Settings")]
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public bool keepTicking = true;
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public override void Start()
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{
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base.Start();
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if (!isAlive)
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Die();
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else
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if (useBT)
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{
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purposeBehaviourTree = purposeBehaviourTree.RPGCK_BTCopy(this.gameObject, GetComponent<RckAI>());
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combatBehaviourTree = combatBehaviourTree.RPGCK_BTCopy(this.gameObject, GetComponent<RckAI>());
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// Always start with the NormalBehaviourTree
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SwitchBehaviourTree(false);
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StartTicking();
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}
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}
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public void StartTicking()
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{
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keepTicking = true;
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StopCoroutine(TickBehaviourTree());
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StartCoroutine(TickBehaviourTree());
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}
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IEnumerator TickBehaviourTree()
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{
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while (keepTicking)
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{
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while (pauseBT)
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yield return null;
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switch(tickRate)
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{
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case TreeTickRate.EveryFrame:
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yield return new WaitForEndOfFrame();
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break;
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case TreeTickRate.EveryXFrames:
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int framesPassed = 0;
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while(framesPassed <= xFrames)
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{
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yield return new WaitForEndOfFrame();
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framesPassed++;
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}
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break;
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case TreeTickRate.EveryXSeconds_Realtime:
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yield return new WaitForSecondsRealtime(xSeconds);
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break;
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case TreeTickRate.EveryXSeconds_GameTime:
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yield return new WaitForSeconds(xSeconds);
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break;
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}
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while (pauseBT || currentBehaviour == null || currentBehaviour.nodes.Count <= 0 || currentBehaviour.nodes[0] == null)
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yield return null;
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try
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{
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(currentBehaviour.nodes[0] as BTNode).Execute();
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}catch { }
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/*
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if (firstTick == false)
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{
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// Tick
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(currentBehaviour.nodes[0] as BTNode).Execute();
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firstTick = true;
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}
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else
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{
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// Find all the nodes that are still running and execute them
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((currentBehaviour.nodes[0] as BTNode).GetOutputPort("firstNode").Connection.node as BTNode).Execute();
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}
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*/
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yield return null;
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}
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}
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public void ChangeTickRate(TreeTickRate newTickRate)
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{
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tickRate = newTickRate;
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}
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protected bool anyWaitForSetRunning = false;
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protected bool anyWaitForSwitchRunning = false;
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public IEnumerator QueueSwitch(bool _combat)
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{
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if (anyWaitForSwitchRunning)
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yield return null;
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SwitchBehaviourTree(_combat);
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}
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[AIInvokable]
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public void SwitchBehaviourTree(bool _combat)
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{
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if (anyWaitForSwitchRunning)
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{
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StartCoroutine(QueueSwitch(_combat));
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return;
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}
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// Execute OnExit node if present
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if (currentBehaviour != null && currentBehaviour.nodes.Count > 0 && ((currentBehaviour.nodes[0] as BTNode).GetOutputPort("onExitNode").Connection != null && ((currentBehaviour.nodes[0] as BTNode).GetOutputPort("onExitNode").Connection.node != null)))
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{
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anyWaitForSwitchRunning = true;
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// Execute OnExit before changing the tree
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StartCoroutine(SwitchBehaviourTree_WaitForExitNodeTask(_combat));
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}
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else
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{
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if (_combat)
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{
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currentBehaviour = combatBehaviourTree;
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isUsingPurposeBehaviour = false;
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}
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else
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{
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currentBehaviour = purposeBehaviourTree;
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isUsingPurposeBehaviour = true;
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}
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}
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}
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IEnumerator SwitchBehaviourTree_WaitForExitNodeTask(bool _combat)
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{
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pauseBT = true;
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yield return new WaitForEndOfFrame();
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var node = (((currentBehaviour.nodes[0] as BTNode).GetOutputPort("onExitNode").Connection.node) as BTNode);
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node.ReEvaluate();
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while (node.m_NodeState == NodeState.Null || node.m_NodeState == NodeState.Running)
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{
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node.Execute();
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yield return new WaitForEndOfFrame();
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}
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if (anyWaitForSetRunning)
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{
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yield return new WaitForEndOfFrame();
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}
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if (_combat)
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{
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currentBehaviour = combatBehaviourTree;
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isUsingPurposeBehaviour = false;
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}
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else
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{
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currentBehaviour = purposeBehaviourTree;
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isUsingPurposeBehaviour = true;
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}
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anyWaitForSwitchRunning = false;
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pauseBT = false;
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yield break;
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}
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[AIInvokable]
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public void SwitchBehaviourTreeToAI(string _rckID, bool _combat)
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{
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// Get the RckAI if possible
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RckAI sTo = null;
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CellsSystem.CellInformation.TryToGetAI(_rckID, out sTo);
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if (sTo != null)
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{
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sTo.SwitchBehaviourTree(_combat);
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}
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}
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public override void OnEnterInCombat()
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{
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base.OnEnterInCombat();
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if (combatBehaviourTree.resetVariablesUponStartResume)
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combatBehaviourTree.ResetVariables();
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if (isUsingActionPoint && !leavingActionPoint)
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StopUsingNPCActionPoint();
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SwitchBehaviourTree(true);
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}
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[AIInvokable]
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public override void LeaveCombat()
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{
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base.LeaveCombat();
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if (purposeBehaviourTree.resetVariablesUponStartResume)
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purposeBehaviourTree.ResetVariables();
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// reset ishostile
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isHostile = false;
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isHostileAgainstPC = false;
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SwitchBehaviourTree(false);
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// Reset PurposeState
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if (purposeState.IsAssigned)
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{
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SetTarget(purposeState.Target);
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purposeState.ResumePurpose();
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}
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}
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public override void Damage(DamageContext context)
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{
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if (context.sender != null && !context.sender.CompareTag("Player"))
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{
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// If they're both members of the same factions chances are they didn't meant to attach each other, so ignore
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for (int i = 0; i < belongsToFactions.Count; i++)
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{
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if ((context.sender as EntityFactionable).GetInFaction(belongsToFactions[i].ID))
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return;
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}
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}
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base.Damage(context);
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if (aiSounds != null && isAlive)
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{
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if (aiSounds.takeDamageSounds.Length > 0)
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{
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int n = Random.Range(0, aiSounds.takeDamageSounds.Length);
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if (aiSounds.takeDamageSounds[n] != null)
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{
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audioSource.clip = aiSounds.takeDamageSounds[n];
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audioSource.Play();
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}
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}
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}
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if (context.sender != null)
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{
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// If they're both members of the same factions chances are they didn't meant to attach each other, so ignore
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if (isInCombat)
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{
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for (int i = 0; i < belongsToFactions.Count; i++)
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{
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if ((context.sender as EntityFactionable).GetInFaction(belongsToFactions[i].ID))
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return;
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}
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}
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if (!enemyTargets.Any(t => t.m_entity == context.sender))
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{
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if (isInConversation)
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StopConversation();
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if (!m_isInCombat)
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EnterInCombatAgainst(context.sender);
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enemyTargets.Add(new VisibleEnemy(context.sender, context.sender.GetComponent<EntityAttributes>(), new AggroInfo(50)));
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}
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else // this enemy was already in combat with this agent so just update the aggro
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{
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var entTarget = enemyTargets.Find(x => x.m_entity == context.sender);
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entTarget.m_aggro.AlterAggroValue(AggroSettings.Modifier.Damage, context.amount);
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float weaponAggroModifier = 0.0f;
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if (context.weaponItem != null)
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weaponAggroModifier = context.weaponItem.aggroModifier;
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else if (context.spell != null)
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weaponAggroModifier = context.spell.aggroModifier;
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entTarget.m_aggro.AlterAggroValue(AggroSettings.Modifier.Weapon, weaponAggroModifier);
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}
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}
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}
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public override void Die()
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{
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base.Die();
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attributes.CurHealth = -1;
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attributes.activeEffects.Clear();
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keepTicking = false;
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useBT = false;
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pauseBT = true;
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for (int i = 0; i < inventory.Items.Count; i++) {
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inventory.Items[i].metadata.IsOwnedByNPC = false;
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}
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}
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#region Methods and Functions specifically for Behaviour Trees
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public bool hasARangedWeapon = false;
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[AIInvokable]
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public void HasRangedWeaponCheck()
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{
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WeaponItem weaponItem = null;
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for (int i = 0; i < inventory.subLists[(int)ItemTypes.WeaponItem].Count; i++)
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{
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weaponItem = (WeaponItem)inventory.subLists[(int)ItemTypes.WeaponItem][i].item;
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if (weaponItem.weaponType == WeaponType.Bow || weaponItem.weaponType == WeaponType.Crossbow)
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{
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if (HasAmmoForWeapon(weaponItem))
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{
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hasARangedWeapon = true;
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break;
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}
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else
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{
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Debug.Log("don't have ammo for " + weaponItem.ItemID);
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}
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}
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}
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}
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public bool hasAMeleeWeapon = false;
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[AIInvokable]
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public void HasMeleeWeaponCheck()
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{
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WeaponItem weaponItem = null;
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for (int i = 0; i < inventory.subLists[(int)ItemTypes.WeaponItem].Count; i++)
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{
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weaponItem = (WeaponItem)inventory.subLists[(int)ItemTypes.WeaponItem][i].item;
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if (weaponItem.weaponType == WeaponType.BladeOneHand || weaponItem.weaponType == WeaponType.BluntOneHand ||
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weaponItem.weaponType == WeaponType.BladeTwoHands || weaponItem.weaponType == WeaponType.BluntTwoHands ||
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weaponItem.weaponType == WeaponType.DaggerOneHand)
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{
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hasAMeleeWeapon = true;
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break;
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}
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}
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}
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public float distanceFromMainTarget;
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[AIInvokable]
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public void GetDistanceFromMainTarget()
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{
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if(mainTarget == null)
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{
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Debug.LogWarning("Called GetDistanceFromMainTarget() but no MainTarget has been set");
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return;
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}
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distanceFromMainTarget = Vector3.Distance(this.transform.position, mainTarget.transform.position);
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}
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[AIInvokable]
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public void Weapon_SwitchToMelee()
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{
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isSwitchingWeapon = true;
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WeaponItem weaponItem = null;
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for (int i = 0; i < inventory.subLists[(int)ItemTypes.WeaponItem].Count; i++)
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{
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weaponItem = (WeaponItem)inventory.subLists[(int)ItemTypes.WeaponItem][i].item;
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if (weaponItem.weaponType == WeaponType.BladeOneHand || weaponItem.weaponType == WeaponType.BluntOneHand ||
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weaponItem.weaponType == WeaponType.BladeTwoHands || weaponItem.weaponType == WeaponType.BluntTwoHands
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|| weaponItem.weaponType == WeaponType.DaggerOneHand)
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||
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|
{
|
||
|
|
ChangeWeapon(weaponItem.ItemID);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Weapon_SwitchToRanged()
|
||
|
|
{
|
||
|
|
isSwitchingWeapon = true;
|
||
|
|
|
||
|
|
WeaponItem weaponItem = null;
|
||
|
|
|
||
|
|
for (int i = 0; i < inventory.subLists[(int)ItemTypes.WeaponItem].Count; i++)
|
||
|
|
{
|
||
|
|
weaponItem = (WeaponItem)inventory.subLists[(int)ItemTypes.WeaponItem][i].item;
|
||
|
|
|
||
|
|
if (weaponItem.weaponType == WeaponType.Bow || weaponItem.weaponType == WeaponType.Crossbow)
|
||
|
|
{
|
||
|
|
// We got a weapon, check for ammo
|
||
|
|
if (EquipAmmoForWeapon(weaponItem))
|
||
|
|
{
|
||
|
|
ChangeWeapon(weaponItem);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Weapon_SwitchToDefault()
|
||
|
|
{
|
||
|
|
ChangeWeapon(defaultWeapon.ItemID);
|
||
|
|
}
|
||
|
|
|
||
|
|
public float currentWeaponReach = RCKSettings.DEFAULT_WEAPON_REACH;
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void GetWeaponsReach()
|
||
|
|
{
|
||
|
|
if (equipment.currentWeapon != null)
|
||
|
|
currentWeaponReach = equipment.currentWeapon.Reach;
|
||
|
|
else
|
||
|
|
currentWeaponReach = RCKSettings.DEFAULT_WEAPON_REACH; // 4 is default value
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void SpeakToTarget()
|
||
|
|
{
|
||
|
|
if (mainTarget.CompareTag("Player"))
|
||
|
|
RPGCreationKit.Player.RckPlayer.instance.StartDialogue(this.GetComponent<IDialoguable>());
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IDialoguable[] targetDialoguable = new IDialoguable[2];
|
||
|
|
targetDialoguable[0] = mainTarget.GetComponent<IDialoguable>();
|
||
|
|
|
||
|
|
if (targetDialoguable == null)
|
||
|
|
targetDialoguable[0] = mainTarget.GetComponentInParent<IDialoguable>();
|
||
|
|
|
||
|
|
// Set us
|
||
|
|
targetDialoguable[1] = this;
|
||
|
|
|
||
|
|
if (targetDialoguable[0] != null)
|
||
|
|
{
|
||
|
|
DialogueLogic(targetDialoguable, GetCurrentDialogueGraph());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void SetRckAIAsTarget(string _rckID)
|
||
|
|
{
|
||
|
|
// Get the RckAI if possible
|
||
|
|
RckAI sTo = null;
|
||
|
|
CellsSystem.CellInformation.TryToGetAI(_rckID, out sTo);
|
||
|
|
|
||
|
|
if (sTo != null)
|
||
|
|
SetTarget(sTo.gameObject);
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void OnDialogueEnds(GameObject target)
|
||
|
|
{
|
||
|
|
//// PURPOSE_CALLBACK: ClearOnTeleportToCell \\\\\
|
||
|
|
if (purposeState != null && purposeState.IsAssigned && purposeState.clearsOn == PurposeClearTypes.ClearOnFinishTalkingWith)
|
||
|
|
{
|
||
|
|
if (purposeState.clearsOnData.stringData == speakingTo.GetEntityGameObject().GetComponent<Entity>().entityID)
|
||
|
|
{
|
||
|
|
// We did it
|
||
|
|
purposeState.CompletePurpose();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
base.OnDialogueEnds(target);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Forces the AI to stop the dialogue
|
||
|
|
/// </summary>
|
||
|
|
public void StopConversation()
|
||
|
|
{
|
||
|
|
if (entitiesTalkingWith != null)
|
||
|
|
{
|
||
|
|
// Copy before destroying entitiesTalkingWith
|
||
|
|
List<IDialoguable> dial = new List<IDialoguable>();
|
||
|
|
|
||
|
|
for (int i = 0; i < entitiesTalkingWith.Length; i++)
|
||
|
|
dial.Add(entitiesTalkingWith[i]);
|
||
|
|
|
||
|
|
for (int i = 0; i < dial.Count; i++)
|
||
|
|
dial[i].ForceToStopDialogue();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool goingToSpeak = false;
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void SendAIToSpeakToPlayer(bool run)
|
||
|
|
{
|
||
|
|
if (goingToSpeak)
|
||
|
|
return;
|
||
|
|
|
||
|
|
goingToSpeak = true;
|
||
|
|
|
||
|
|
StopCoroutine(SendAIToSpeakToPlayerTask());
|
||
|
|
|
||
|
|
if ( isReachingActionPoint || isUsingActionPoint)
|
||
|
|
{
|
||
|
|
ResetActionPointAgentState();
|
||
|
|
StopUsingNPCActionPoint(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (run)
|
||
|
|
Movements_SwitchToRun();
|
||
|
|
else
|
||
|
|
Movements_SwitchToWalk();
|
||
|
|
|
||
|
|
// Set maintarget
|
||
|
|
SetTarget(Player.RckPlayer.instance.gameObject);
|
||
|
|
|
||
|
|
// Follow until he reaches it
|
||
|
|
StartCoroutine(SendAIToSpeakToPlayerTask());
|
||
|
|
}
|
||
|
|
|
||
|
|
public IEnumerator SendAIToSpeakToPlayerTask()
|
||
|
|
{
|
||
|
|
if (!isLoaded)
|
||
|
|
{
|
||
|
|
goingToSpeak = false;
|
||
|
|
yield break;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (Vector3.Distance(this.gameObject.transform.position, Player.RckPlayer.instance.transform.position) > RCKSettings.NPC_TO_NPC_CONVERSATION_DISTANCE || !CanDialogue() ||
|
||
|
|
!Player.RckPlayer.instance.CanDialogue() || !WorldManager.instance.isLoading && !Player.RckPlayer.instance.IsControlledByPlayer() || isInOfflineMode || !isLoaded)
|
||
|
|
yield return new WaitForEndOfFrame();
|
||
|
|
|
||
|
|
Player.RckPlayer.instance.StartDialogue(this);
|
||
|
|
|
||
|
|
goingToSpeak = false;
|
||
|
|
yield break;
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void AssignPurpose(RckAI _AI, GameObject _target, PurposeClearTypes _clearsOn, PurposeStateClearsOnData _clearOnData, string _nextPurposeBehaviourTree = null)
|
||
|
|
{
|
||
|
|
purposeState.AssignPurpose(_AI, _target, _clearsOn, _clearOnData, _nextPurposeBehaviourTree);
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Purpose_AssignToFollowCurrentPath()
|
||
|
|
{
|
||
|
|
if(aiPath != null && aiPath.gameObject != null)
|
||
|
|
purposeState.AssignPurpose(GetComponent<RckAI>(), aiPath.gameObject, PurposeClearTypes.ClearOnDeath, null, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Magic_SwitchToHealingSpell()
|
||
|
|
{
|
||
|
|
// Check if the AI already has an healing spell
|
||
|
|
if (spellsKnowledge.spellInUse != null && spellsKnowledge.spellInUse.tag == SpellTag.RestoreHealth)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for(int i = 0; i < spellsKnowledge.Spells.Count; i++)
|
||
|
|
{
|
||
|
|
if(spellsKnowledge.Spells[i].tag == SpellTag.RestoreHealth)
|
||
|
|
{
|
||
|
|
spellsKnowledge.spellInUse = spellsKnowledge.Spells[i];
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Magic_SwitchToDamageSpell()
|
||
|
|
{
|
||
|
|
// Check if the AI already has an healing spell
|
||
|
|
if (spellsKnowledge.spellInUse != null && spellsKnowledge.spellInUse.tag == SpellTag.DamageProjectile || spellsKnowledge.spellInUse.tag == SpellTag.DamageTouch)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (int i = 0; i < spellsKnowledge.Spells.Count; i++)
|
||
|
|
{
|
||
|
|
if (spellsKnowledge.Spells[i].tag == SpellTag.DamageProjectile || spellsKnowledge.Spells[i].tag == SpellTag.DamageTouch)
|
||
|
|
{
|
||
|
|
spellsKnowledge.spellInUse = spellsKnowledge.Spells[i];
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Magic_SetSpell(string _spellIDToSet)
|
||
|
|
{
|
||
|
|
Spell _spellToSet = SpellsDatabase.GetSpell(_spellIDToSet);
|
||
|
|
|
||
|
|
if (_spellToSet != null)
|
||
|
|
spellsKnowledge.spellInUse = _spellToSet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
[AIInvokable]
|
||
|
|
public void Magic_AddSpellToKnowledge(string _spellIDToAdd)
|
||
|
|
{
|
||
|
|
Spell _spellToAdd = SpellsDatabase.GetSpell(_spellIDToAdd);
|
||
|
|
|
||
|
|
if (_spellToAdd != null)
|
||
|
|
spellsKnowledge.Spells.Add(_spellToAdd);
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
}
|
||
|
|
}
|