96 lines
2.6 KiB
JavaScript
96 lines
2.6 KiB
JavaScript
import { GameObject } from "../../GameObject/GameObject";
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import { PointInt2D } from "../../Utils/Math.utils";
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import { NavigationPath, PathFinder } from "../../Utils/PathFinding.utils";
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import { NPCProto } from "../NPCProto/NPCProto";
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/**
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* NPCController defines NPC behavior. Many NPC can have same NPCController for the same behavior.
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*/
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export class NPCController extends GameObject
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{
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/**
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* NPC controlled by this controller
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* @type NPCProto
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*/
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controlledNPC = null;
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/**
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* @type Array<PointInt2D>
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*/
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navigationPathQueue = new Array();
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navigationInProgress = false;
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navigationFollowMidPoint = false;
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navigationCallback = ()=>{};
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constructor(tickAble = true)
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{
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super(tickAble);
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}
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/**
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* moves NPC to position
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* @param {PointInt2D} position
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* @param {Function} callback
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*/
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moveTo(position, callback)
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{
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let pf = new PathFinder();
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let nPath = pf.search(new PointInt2D(this.controlledNPC.worldPosition.getX(), this.controlledNPC.worldPosition.getY()), position);
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console.log(nPath);
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if(nPath.error)
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{
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callback("failed");
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return;
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}
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else if (nPath.result.path.length < 2)
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{
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callback("success");
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return;
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}
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for (let i = nPath.result.path.length-1; i > 0; i--) {
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this.navigationPathQueue.push(nPath.result.path[i]);
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}
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this.navigationCallback = callback;
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this.navigationInProgress = true;
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}
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/**
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*
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* @param {NavigationPath} pathToFollow
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* @param {Function} callback
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*/
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_moveByPath(pathToFollow, callback)
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{
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}
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tick(ticker)
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{
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if(this.navigationInProgress)
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{
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if(!this.navigationFollowMidPoint)
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{
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let target = this.navigationPathQueue.pop();
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if(!target)
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{
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this.navigationInProgress = false;
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this.navigationCallback("success");
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}
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else
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{
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this.controlledNPC.worldPosition = target;
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this.navigationFollowMidPoint = true;
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}
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}
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else
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{
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if(
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Math.abs(this.controlledNPC.drawObject.x - this.controlledNPC.worldPosition.getX()) < 0.5 &&
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Math.abs(this.controlledNPC.drawObject.y - this.controlledNPC.worldPosition.getY()) < 0.5
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)
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{
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this.navigationFollowMidPoint = false;
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}
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}
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}
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}
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}; |