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81 lines
3.1 KiB
81 lines
3.1 KiB
3 weeks ago
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import type { EntityId } from 'db://assets/mx/module/ecs';
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import { createAbilityContext } from 'db://assets/mx/module/battle/combat/AbilityContext';
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import { EntityTag, HealthComp, TagComp } from 'db://assets/mx/module/battle';
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import type { SkillPresentationContext } from '../skill/SkillPresentationTypes';
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import { SkillPresentationEnv } from '../skill/SkillPresentationEnv';
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/** Boss 不可被秒杀/斩杀 */
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export function isBossEntity(entityId: EntityId): boolean {
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const session = SkillPresentationEnv.getBattleSession();
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if (!session?.world.isAlive(entityId)) return false;
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return !!session.world.getComponent(entityId, TagComp)?.tags.includes(EntityTag.Boss);
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}
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/** 聚合已选词条 skill_special（含普攻 up_type=1） */
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export function readSkillSpecialWan(caster: EntityId, specialType: number): number {
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let best = 0;
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for (const raw of SkillPresentationEnv.getSkillSpecials(caster)) {
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for (const seg of String(raw).split(';')) {
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const part = seg.trim();
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if (!part) continue;
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const nums = part.split(',').map(Number);
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if ((nums[0] ?? 0) !== specialType || nums.length < 2) continue;
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best = Math.max(best, Math.max(0, Number(nums[1]) || 0));
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}
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}
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return best;
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}
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function dealExecuteDamage(
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ctx: SkillPresentationContext,
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targetId: EntityId,
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damageType: string,
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): boolean {
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const session = SkillPresentationEnv.getBattleSession();
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if (!session?.world.isAlive(targetId)) return false;
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const floatPos = SkillPresentationEnv.resolveKillFloaterWorldPos(targetId);
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const abilityCtx = createAbilityContext(session, ctx.caster, ctx.abilityId, [targetId]);
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abilityCtx.level = ctx.level;
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const amount = session.damage.dealToTarget(ctx.caster, targetId, {
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percentMaxHpWan: 10000,
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scale: 1,
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damageType,
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skillAtkBuff1: '',
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skillAtkBuff2: '',
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}, abilityCtx);
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if (amount > 0 && floatPos) {
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SkillPresentationEnv.playKillFloater(floatPos, damageType);
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}
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return amount > 0;
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}
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/** skill_special 类型 10：概率秒杀（Boss 无效） */
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export function tryInstantKill(
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ctx: SkillPresentationContext,
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targetId: EntityId,
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killWan: number,
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damageType = 'instant_kill',
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): boolean {
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if (killWan <= 0 || isBossEntity(targetId)) return false;
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const rng = SkillPresentationEnv.getBattleRng();
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const roll = (rng?.next() ?? Math.random()) * 10000;
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if (roll >= killWan) return false;
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return dealExecuteDamage(ctx, targetId, damageType);
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}
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/** skill_special 类型 11：HP 比例斩杀（Boss 无效） */
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export function tryExecuteByThreshold(
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ctx: SkillPresentationContext,
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targetId: EntityId,
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thresholdWan: number,
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damageType = 'execute',
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): boolean {
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if (thresholdWan <= 0 || isBossEntity(targetId)) return false;
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const session = SkillPresentationEnv.getBattleSession();
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if (!session?.world.isAlive(targetId)) return false;
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const hp = session.world.getComponent(targetId, HealthComp);
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if (!hp || hp.maxHp <= 0) return false;
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if (hp.hp / hp.maxHp > thresholdWan / 10000) return false;
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return dealExecuteDamage(ctx, targetId, damageType);
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}
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