feat(hero combat): 新增防御属性与除法递减减伤逻辑
1. 新增defense属性枚举、组件字段与结算方法 2. 配置防御减伤平衡常数DEFENSE_K为500 3. 在攻击结算流程中加入防御减伤计算 4. 采用除法递减模型实现防御收益随数值提升而降低
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@@ -48,6 +48,8 @@ export enum FightSet {
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CSKILL_START_Y = 30,
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/** 护盾数值上限(数值减免型:1 点护盾吸收 1 点伤害) */
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SHIELD_MAX = 5,
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/** 防御减伤平衡常数:减伤率 = defense / (defense + DEFENSE_K),K 越大每点防御收益越低 */
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DEFENSE_K = 500,
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WAVE_HEAL_RATE = 0.4, // 回合结束时所有英雄恢复最大生命值的比例(与 DDA 放水兜底分层:回血保节奏,放水防崩盘)
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PUNCTURE_DOWN = 50,
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/** 穿透伤害衰减系数:单体技能命中第2个及以后目标时按此比例折算伤害 */
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@@ -14,6 +14,7 @@ export enum Attrs {
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speed = "speed", // 基础移动速度
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dis = "dis", // 基础距离
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shield = "shield", // 当前护盾
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defense = "defense", // 防御(除法递减模型:减伤率 = defense / (defense + DEFENSE_K))
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// // ==================== 攻击属性 ====================
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// a_cd = "a_cd", // 攻击计时
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@@ -171,6 +171,10 @@ export class HeroAtkSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
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}
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if (damage <= 0) return reDate;
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// 防御减伤(除法递减模型,护盾吸收之后、扣血之前结算)
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damage = TAttrsComp.applyDefense(damage);
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mLogger.log(this.debugMode, 'HeroAtkSystem', " after defense", damage)
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// TAttrsComp.hp -= damage; // 应用伤害到数据层
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TAttrsComp.add_hp(-damage); // 使用 add_hp 以触发 dirty_hp 和 UI 更新
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@@ -39,6 +39,7 @@ export class HeroAttrsComp extends ecs.Comp {
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speed: number = 100; // 基础移动速度
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dis: number = 100; // 基础距离
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shield: number = 0; // 当前护盾
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defense: number = 0; // 防御(除法递减模型减伤,见 getFinalDefense)
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// ==================== 攻击属性 (补充) ====================
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skills: Record<number, HSkillInfo> = {};
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@@ -517,6 +518,26 @@ export class HeroAttrsComp extends ecs.Comp {
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return this.vulnerable_res + mods.flatSum + mods.pctSum;
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}
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/** 最终防御值 = 基础 + 限时修饰(加法模型),供除法递减减伤公式使用 */
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public getFinalDefense(): number {
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const mods = this.aggregateTimedMods(Attrs.defense);
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return Math.max(0, this.defense + mods.flatSum + mods.pctSum);
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}
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/**
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* 按除法递减模型计算防御减伤后的伤害
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* 减伤率 = defense / (defense + DEFENSE_K),防御收益递减且永不达到 100%
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* @param damage 护盾结算后的原始伤害
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* @returns 减伤后的伤害,保底 1 点防止完全免伤
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*/
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public applyDefense(damage: number): number {
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if (damage <= 0) return damage;
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const defense = this.getFinalDefense();
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if (defense <= 0) return damage;
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const reduced = damage * (FightSet.DEFENSE_K / (defense + FightSet.DEFENSE_K));
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return Math.max(1, Math.floor(reduced));
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}
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/** 根据攻速加成换算实际攻击间隔,避免直接改写配置里的基础 CD。 */
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public getEffectiveSkillCd(skillId: number): number {
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const skill = this.skills[skillId];
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@@ -578,6 +599,7 @@ export class HeroAttrsComp extends ecs.Comp {
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this.speed = 100;
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this.dis = 100;
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this.shield = 0;
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this.defense = 0;
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// 重置新增属性
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this.skills = {};
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