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252 lines
8.3 KiB
252 lines
8.3 KiB
3 weeks ago
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import { Node, UITransform, Vec3, sp } from 'cc';
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import type { EntityId } from 'db://assets/mx/module/ecs';
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import { BattleSpinePlayback } from '../presentation/BattleSpinePlayback';
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/** 营预制体出怪动画（草字头开合） */
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export const YING_ATTACK_ANIM = '攻击';
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/** 营待机 */
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export const YING_IDLE_ANIM = '待机';
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/** 草字头骨骼 / 槽（攻击 0.5s 翻开，1.17s 起合上） */
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export const YING_GRASS_BONE = '营2';
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/** 草字头插槽（附件 营1a，相对骨有偏移） */
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export const YING_GRASS_SLOT = '营2';
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/** 草字头完全打开（与 营.json 攻击轨一致） */
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export const YING_ATTACK_OPEN_SEC = 0.5;
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/** 草字头内出生缩放（相对落地尺寸） */
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export const YING_SPAWN_SCALE = 0.5;
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/** 营召唤落地相对 Monster.size */
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export const YING_SUMMON_SIZE_MUL = 1.3;
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/** 出生后从小放到默认大小 */
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export const YING_SPAWN_GROW_SEC = 0.3;
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/** 放到默认大小后停留再跳出 */
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export const YING_HOLD_BEFORE_JUMP_SEC = 1;
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/** 营字跳出速度相对默认（放慢 40%） */
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export const YING_JUMP_SPEED = 0.6;
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/** 出生点：营格心向上（光的位置） */
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export const YING_SPAWN_LIFT_PX = 20;
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/** Spine 骨世界矩阵（读附件偏移） */
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interface YingBoneXform {
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/** 世界 X */
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worldX: number;
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/** 世界 Y */
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worldY: number;
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/** 矩阵 a */
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a?: number;
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/** 矩阵 b */
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b?: number;
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/** 矩阵 c */
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c?: number;
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/** 矩阵 d */
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d?: number;
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}
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/** Spine 槽（取附件相对骨的 x/y） */
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interface YingSlotXform {
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/** 所属骨 */
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bone?: YingBoneXform;
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/** 当前附件 */
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attachment?: { x?: number; y?: number };
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/** 取附件 */
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getAttachment?: () => { x?: number; y?: number } | null;
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}
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/** 跳出起点（草字头世界坐标） */
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interface YingJumpStart {
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/** 怪物实体 */
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entity: EntityId;
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/** 世界 X */
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x: number;
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/** 世界 Y */
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y: number;
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/** 世界 Z */
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z: number;
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}
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/** 召唤跳出缩放（相对怪物默认） */
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export interface SummonJumpScaleLook {
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/** 出现时相对落地尺寸 */
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scaleFrom: number;
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/** 落地相对 Monster.size；空则 1 */
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scaleMul?: number;
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/** 第一段放到此相对落地尺寸；空则 grow 直接到落地 */
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scaleHold?: number;
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/** 第一段放大秒 */
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growSec: number;
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/** 起跳前停顿秒 */
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holdSec: number;
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/** 跳出时挂「怪跳出拖尾」 */
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jumpTrail?: boolean;
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/** 跳跃速度相对默认；空则 1 */
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jumpSpeed?: number;
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}
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/** 本批出怪共用起点（须在 unitSpawned 派发前写入） */
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interface YingPendingStart {
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/** 世界 X */
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x: number;
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/** 世界 Y */
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y: number;
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/** 世界 Z */
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z: number;
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/** 非空时覆盖营默认缩放 */
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look?: SummonJumpScaleLook;
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}
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/**
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* 营字「攻击」出怪：打开草字头 → 怪出生 → 合上。
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* 时间点取自 营.json，不另猜。
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*/
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export class YingCampAnim {
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private static readonly _idlePend: sp.Skeleton[] = [];
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private static readonly _starts: YingJumpStart[] = [];
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private static readonly _boneLocal = new Vec3();
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private static _pending: YingPendingStart | null = null;
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/**
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* 播攻击；结束后回待机。
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* @param skeleton 营 Spine
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*/
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static playAttack(skeleton: sp.Skeleton | null): void {
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if (!skeleton?.isValid) return;
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YingCampAnim._ensureRealtime(skeleton);
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YingCampAnim._idlePend.push(skeleton);
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BattleSpinePlayback.play(skeleton, YING_ATTACK_ANIM, { onComplete: YingCampAnim._onAttackDone });
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}
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/**
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* 出生点：营格世界坐标向上偏到光。
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* @param cellNode 营所在格节点
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* @param out 输出
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*/
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static readSpawnWorld(cellNode: Node | null, out: Vec3): boolean {
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if (!cellNode?.isValid) return false;
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const p = cellNode.worldPosition;
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out.set(p.x, p.y + YING_SPAWN_LIFT_PX, p.z);
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return true;
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}
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/**
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* 读取当前草字头世界坐标（槽附件中心，不是骨轴心）。
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* @param skeleton 营 Spine
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* @param out 输出
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*/
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static readGrassWorld(skeleton: sp.Skeleton | null, out: Vec3): boolean {
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if (!skeleton?.isValid) return false;
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const ui = skeleton.node?.getComponent(UITransform);
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if (!ui) return false;
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const slot = typeof skeleton.findSlot === 'function'
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? skeleton.findSlot(YING_GRASS_SLOT) as YingSlotXform | null
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: null;
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const bone = (slot?.bone
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?? (typeof skeleton.findBone === 'function' ? skeleton.findBone(YING_GRASS_BONE) : null)) as YingBoneXform | null;
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if (!bone) return false;
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const att = slot?.getAttachment?.() ?? slot?.attachment;
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const lx = Number(att?.x);
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const ly = Number(att?.y);
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if (Number.isFinite(lx) && Number.isFinite(ly)) {
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YingCampAnim._boneToLocal(bone, lx, ly, YingCampAnim._boneLocal);
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} else {
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YingCampAnim._boneLocal.set(bone.worldX, bone.worldY, 0);
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}
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ui.convertToWorldSpaceAR(YingCampAnim._boneLocal, out);
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return true;
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}
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/**
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* 停留期间钉在出生点（格心上偏），不跟草字头骨。
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* @param out 输出
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*/
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static followGrass(out: Vec3): boolean {
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const pend = YingCampAnim._pending;
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if (!pend) return false;
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out.set(pend.x, pend.y, pend.z);
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return true;
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}
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/**
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* 格节点读不到 pending 时：格心上偏。
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* @param node 营格节点
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* @param out 输出
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*/
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static readGrassFromNode(node: Node | null, out: Vec3): boolean {
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return YingCampAnim.readSpawnWorld(node, out);
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}
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/**
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* 出怪前写入本批起点。unitSpawned 同步派发时实体标记还来不及，必须先挂这里。
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* @param world 出生世界坐标
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* @param look 非空时覆盖营默认缩放
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*/
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static setPendingStart(world: Readonly<Vec3>, look?: SummonJumpScaleLook): void {
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YingCampAnim._pending = { x: world.x, y: world.y, z: world.z, look };
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}
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/** 本批缩放；无则走营默认 */
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static peekPendingLook(): SummonJumpScaleLook | null {
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return YingCampAnim._pending?.look ?? null;
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}
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/** 本批出怪结束 */
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static clearPendingStart(): void {
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YingCampAnim._pending = null;
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}
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/**
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* 记录怪物跳出起点（草字头）。
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* @param entity 怪物
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* @param world 世界坐标
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*/
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static markJumpStart(entity: EntityId, world: Readonly<Vec3>): void {
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YingCampAnim.takeJumpStart(entity);
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YingCampAnim._starts.push({ entity, x: world.x, y: world.y, z: world.z });
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}
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/**
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* 取出跳出起点：先实体标记，再本批 pending（不消耗，供同批多只）。
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* @param entity 怪物
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* @param out 输出
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*/
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static takeJumpStart(entity: EntityId, out?: Vec3): boolean {
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const list = YingCampAnim._starts;
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for (let i = list.length - 1; i >= 0; i--) {
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if (list[i].entity !== entity) continue;
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if (out) out.set(list[i].x, list[i].y, list[i].z);
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list.splice(i, 1);
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return true;
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}
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const pend = YingCampAnim._pending;
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if (!pend) return false;
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if (out) out.set(pend.x, pend.y, pend.z);
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return true;
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}
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/** 离场清理 */
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static clear(): void {
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YingCampAnim._idlePend.length = 0;
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YingCampAnim._starts.length = 0;
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YingCampAnim._pending = null;
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}
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/** 读骨须 REALTIME，缓存模式 findBone 会空/旧 */
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private static _ensureRealtime(skeleton: sp.Skeleton): void {
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if (typeof skeleton.setAnimationCacheMode !== 'function') return;
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skeleton.setAnimationCacheMode(sp.SpineAnimationCacheMode.REALTIME);
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}
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/** 骨世界矩阵 × 附件局部 */
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private static _boneToLocal(bone: YingBoneXform, lx: number, ly: number, out: Vec3): void {
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const a = bone.a ?? 1;
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const b = bone.b ?? 0;
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const c = bone.c ?? 0;
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const d = bone.d ?? 1;
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out.set(lx * a + ly * b + bone.worldX, lx * c + ly * d + bone.worldY, 0);
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}
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private static readonly _onAttackDone = (): void => {
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const sk = YingCampAnim._idlePend.shift();
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if (!sk?.isValid) return;
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BattleSpinePlayback.play(sk, YING_IDLE_ANIM, { loop: true, optional: true });
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};
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}
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