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345 lines
13 KiB
345 lines
13 KiB
1 week ago
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import { _decorator, Component, sp, Tween, v3, Vec3, Node, tween, Color } from 'cc';
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import { SuDace } from './SuDace';
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import { MoveDirection, SuDacePlayer } from './SuDacePlayer';
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import { SuDacePoint } from './SuDacePoint';
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const { ccclass, property } = _decorator;
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/**
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* 移动管线与 SuDacePlayer.tickDirectionalInput 一致：有效方向 → stepAxisLockedWorldMove + onMoveStatusChange。
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* 意图方向暂由追击逻辑直接算出（等价于玩家侧 setMoveInput，此处不设摇杆）。
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*/
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@ccclass('SuDaceEnemy')
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export class SuDaceEnemy extends Component {
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@property
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moveSpeed = 100;
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@property
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maxHp = 20;
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@property
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hp = 20;
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@property
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level = 1;
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@property
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attackDamage = 1;
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@property
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attackInterval = 0.6;
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@property
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attackYTolerance = 80;
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/** 由脚下路点 SuDacePoint.floor 得到（平台可走处需有带 floor 的路点或占位） */
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currentFloor: number = 0;
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anim: sp.Skeleton = null;
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/**正在攻击 */
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isAttacking = false;
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/**正在爬楼梯 */
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isClimbing = false;
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/** 本帧希望移动的方向（对应玩家 _inputDir；默认向左，可由外部或后续 AI 改写） */
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private _moveIntent: MoveDirection = MoveDirection.LEFT;
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/** 上一帧有效位移方向（与玩家 _lastInputDir 一致） */
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private _lastInputDir: MoveDirection = MoveDirection.NONE;
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/** 须从 NONE 开始，否则首帧 onMoveStatusChange(LEFT) 会因「已是 LEFT」被整段跳过 */
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private _curentStatus: MoveDirection = MoveDirection.NONE;
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private _player: SuDacePlayer = null;
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private _attackAcc = 0;
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protected onLoad(): void {
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this.anim = this.node.getComponentInChildren(sp.Skeleton);
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}
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init(level: number, hp: number, moveSpeed: number): void {
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this.level = Math.max(1, level);
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this.maxHp = Math.max(1, Math.floor(hp));
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this.hp = this.maxHp;
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this.moveSpeed = Math.max(10, moveSpeed);
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this._moveIntent = MoveDirection.LEFT;
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this._lastInputDir = MoveDirection.NONE;
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this._curentStatus = MoveDirection.NONE;
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this._player = SuDace.instance?.map.player;
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this._attackAcc = 0;
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this.isAttacking = false;
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this.isClimbing = false;
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}
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update(dt: number): void {
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const su = SuDace.instance;
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if (!su?.map) return;
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if (!this._player?.node?.isValid) {
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this._player = su.map.player;
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}
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if (!this._player?.node?.isValid) {
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this._moveIntent = MoveDirection.NONE;
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this.tickMoveByIntent(dt);
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return;
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}
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let distance = Vec3.distance(this.node.worldPosition, this._player.node.worldPosition);
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const yDiff = Math.abs(this.node.worldPosition.y - this._player.node.worldPosition.y);
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// 梯口吸附后两者 y 可能存在几十像素偏差；容差过小会出现“只打一下就脱战”
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this.isAttacking = distance < 100 && yDiff <= Math.max(0, this.attackYTolerance);
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if (this.isAttacking) {
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this._moveIntent = MoveDirection.NONE;
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this._attackAcc += dt;
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if (this._attackAcc >= Math.max(0.05, this.attackInterval)) {
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this._attackAcc -= Math.max(0.05, this.attackInterval);
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this._player.takeDamage(this.attackDamage);
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this.playAttackSpine();
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}
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} else {
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this._attackAcc = 0;
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let playerY = this._player.node.worldPosition.y;
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let playerX = this._player.node.worldPosition.x;
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let enemyY = this.node.worldPosition.y;
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let enemyX = this.node.worldPosition.x;
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// worldPosition 是浮点数，使用容差判断同一高度，避免因精度抖动导致一直不相等
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if (Math.abs(enemyY - playerY) <= 2) {
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this.isClimbing = false;
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if (enemyX > playerX) {
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this._moveIntent = MoveDirection.LEFT;
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} else {
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this._moveIntent = MoveDirection.RIGHT;
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}
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} else {
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if (!this.isClimbing) {
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const needUp = enemyY < playerY;
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const grid = this.findNearestStairEntrance(
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needUp,
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enemyX,
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enemyY,
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su.map.gridNode?.children ?? []
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);
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if (grid) {
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let disX = Math.abs(enemyX - grid.worldPosition.x);
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let disY = Math.abs(enemyY - grid.worldPosition.y);
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if (disX < 50 && disY < 50) {
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this.isClimbing = true;
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}
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if (enemyX > grid.worldPosition.x) {
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this._moveIntent = MoveDirection.LEFT;
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} else {
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this._moveIntent = MoveDirection.RIGHT;
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}
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} else {
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// 没找到梯口时继续巡逻，避免原地卡死
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this._moveIntent = MoveDirection.LEFT;
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}
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} else {
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if (Math.abs(enemyY - playerY) <= 2) {
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// 高度已接近时，也把位置吸附到目标梯口，避免结束爬梯后还偏离梯口
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const arriveByUp = enemyY < playerY;
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const nearestExitStair = this.findNearestStairEntrance(
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!arriveByUp,
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enemyX,
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enemyY,
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su.map.gridNode?.children ?? []
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);
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this.finishClimbAtStair(nearestExitStair, playerX);
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} else if (enemyY < playerY) {
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this._moveIntent = MoveDirection.UP;
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// 如果到达最近下梯口,则终止爬楼梯
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const nearestDownStair = this.findNearestStairEntrance(
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false,
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enemyX,
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enemyY,
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su.map.gridNode?.children ?? []
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);
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if (this.isReachedStair(nearestDownStair, enemyX, enemyY)) {
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this.finishClimbAtStair(nearestDownStair, playerX);
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}
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} else {
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this._moveIntent = MoveDirection.DOWN;
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// 如果到达最近上梯口,则终止爬楼梯
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const nearestUpStair = this.findNearestStairEntrance(
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true,
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enemyX,
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enemyY,
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su.map.gridNode?.children ?? []
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);
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if (this.isReachedStair(nearestUpStair, enemyX, enemyY)) {
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this.finishClimbAtStair(nearestUpStair, playerX);
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}
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}
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}
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}
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}
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this.tickMoveByIntent(dt);
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}
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/**
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* 选梯口：先选同高度带内最近，避免选到楼上/楼下另一端；没有再回退全量最近。
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*/
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private findNearestStairEntrance(needUp: boolean, enemyX: number, enemyY: number, cells: Node[]): Node | null {
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let bestNear: Node | null = null;
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let bestNearScore = Number.POSITIVE_INFINITY;
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let bestAny: Node | null = null;
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let bestAnyScore = Number.POSITIVE_INFINITY;
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const sameBand = 90;
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for (let i = 0; i < cells.length; i++) {
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const g = cells[i];
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const point = g.getComponent(SuDacePoint);
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if (!point) continue;
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if (needUp && !point.isUpStairs) continue;
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if (!needUp && !point.isDownStairs) continue;
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const dx = Math.abs(g.worldPosition.x - enemyX);
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const dy = Math.abs(g.worldPosition.y - enemyY);
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const score = dx + dy * 0.35;
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if (score < bestAnyScore) {
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bestAnyScore = score;
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bestAny = g;
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}
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if (dy <= sameBand && score < bestNearScore) {
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bestNearScore = score;
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bestNear = g;
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}
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}
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return bestNear ?? bestAny;
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}
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private isReachedStair(stair: Node | null, enemyX: number, enemyY: number): boolean {
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if (!stair) return false;
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const reachX = 50;
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const reachY = 50;
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const disX = Math.abs(enemyX - stair.worldPosition.x);
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const disY = Math.abs(enemyY - stair.worldPosition.y);
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return disX <= reachX && disY <= reachY;
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}
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private finishClimbAtStair(stair: Node | null, playerX: number): void {
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if (stair?.isValid) {
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const z = this.node.worldPosition.z;
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this.node.setWorldPosition(stair.worldPosition.x, stair.worldPosition.y, z);
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}
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this.isClimbing = false;
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this._moveIntent = this.node.worldPosition.x > playerX ? MoveDirection.LEFT : MoveDirection.RIGHT;
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}
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/**
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* 与 SuDacePlayer.tickDirectionalInput 对齐（不含楼梯：不解析 isUpStairs / 不攀爬）。
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* 后续若要有楼梯，可在此接入与玩家相同的 resolveStairMoveDirection + isClimbing。
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*/
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private tickMoveByIntent(dt: number): void {
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const effective = this._moveIntent;
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if (effective === MoveDirection.NONE) {
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if (this._lastInputDir !== MoveDirection.NONE) {
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this.onMoveStatusChange(MoveDirection.NONE);
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}
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this._lastInputDir = MoveDirection.NONE;
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return;
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}
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if (this._lastInputDir === MoveDirection.NONE) {
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Tween.stopAllByTarget(this.node);
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}
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this._lastInputDir = effective;
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this.stepAxisLockedWorldMove(effective, dt);
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this.onMoveStatusChange(effective);
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}
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/** 与 SuDacePlayer.stepAxisLockedWorldMove 一致 */
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private stepAxisLockedWorldMove(dir: MoveDirection, dt: number): void {
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const p = this.node.worldPosition;
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const step = this.moveSpeed * dt;
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switch (dir) {
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case MoveDirection.RIGHT:
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this.node.setWorldPosition(p.x + step, p.y, p.z);
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break;
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case MoveDirection.LEFT:
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this.node.setWorldPosition(p.x - step, p.y, p.z);
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break;
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case MoveDirection.UP:
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this.node.setWorldPosition(p.x, p.y + step, p.z);
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break;
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case MoveDirection.DOWN:
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this.node.setWorldPosition(p.x, p.y - step, p.z);
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break;
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default:
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break;
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}
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}
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/** 与 SuDacePlayer.onMoveStatusChange 一致（ZClips / 节点显隐 / scale） */
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onMoveStatusChange(status: MoveDirection): void {
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if (this._curentStatus === status) return;
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this._curentStatus = status;
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if (this._curentStatus !== MoveDirection.NONE) {
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this.playWalkSpine();
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}
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switch (status) {
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case MoveDirection.NONE:
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break;
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case MoveDirection.RIGHT:
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this.node.scale = v3(-1, 1, 1);
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break;
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case MoveDirection.LEFT:
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this.node.scale = v3(1, 1, 1);
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break;
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case MoveDirection.UP:
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break;
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case MoveDirection.DOWN:
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break;
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}
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}
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hit(damage: number): void {
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this.hp -= Math.max(0, damage);
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if (this.hp <= 0) {
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this.die();
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}
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SuDace.instance.playHit();
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Tween.stopAllByTarget(this.anim)
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tween(this.anim)
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.call(() => { this.anim.color = new Color(255, 83, 83, 255) })
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.delay(0.35)
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.call(() => { this.anim.color = new Color(255, 255, 255, 255) })
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.start()
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}
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die(): void {
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SuDace.instance?.recycleMonster(this.node);
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}
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/**播放走路动画 */
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playWalkSpine(callback: Function = null, timeScale = 1, loop = true): void {
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this.playSpine('走路', callback, timeScale, loop);
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}
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/**播放攻击动画 */
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playAttackSpine(callback: Function = null, timeScale = 1, loop = false): void {
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this.playSpine('攻击', callback, timeScale, loop);
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}
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/**播放spine动画 */
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playSpine(name: string, callback: Function = null, timeScale = 1, loop = false): void {
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if (this.anim.animation == name && loop) {
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return;
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}
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this.anim.setCompleteListener(() => {
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this.anim.setCompleteListener(null);
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if (callback) callback();
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});
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this.anim.timeScale = timeScale;
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this.anim.setAnimation(0, name, loop);
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}
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}
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