Complete RoM pair elite mechanics and creature family rules

src/game/partyAbilityAi.ts

@@ -13,7 +13,8 @@ import {
   type RotationFriendlyTarget,
 } from "./combatRotation";
 import { spendDeathKnightRunes } from "./combatResources";
-import { equipmentAdjustedCombatAmount, type MobCombatState } from "./combatStore";
+import { resolveResourceValue } from "./combatAuras";
+import { equipmentAdjustedCombatAmount, useCombatStore, type MobCombatState } from "./combatStore";
 import type { PartyMember } from "./partyStore";
 import { baseResourcesFor } from "./wotlkStats";
 import { companionResourceMaximum } from "./combatActorAuthority";
@@ -51,12 +52,20 @@ function currentResource(member: PartyMember, type: ResourceType): number {
 }
 
 function abilityCosts(member: PartyMember, ability: AbilityDefinition): readonly { resource: ResourceType; amount: number }[] {
-  return (ability.costs?.length ? ability.costs : [ability.cost]).map((cost) => ({
-    resource: cost.resource,
-    amount: cost.percentage ? cost.amount / 100 * (cost.percentageBasis === "base-mana"
+  const auras = useCombatStore.getState().auras.filter((aura) => aura.targetId === member.id);
+  return (ability.costs?.length ? ability.costs : [ability.cost]).map((cost) => {
+    const maximum = cost.percentageBasis === "base-mana"
       ? baseResourcesFor(member.classId, member.level).mana
-      : cost.resource === "health" ? member.maxHealth : companionResourceMaximum(member, cost.resource)) : cost.amount,
-  }));
+      : cost.resource === "health" ? member.maxHealth : companionResourceMaximum(member, cost.resource);
+    const baseAmount = cost.percentage ? cost.amount / 100 * maximum : cost.amount;
+    const adjusted = resolveResourceValue(
+      resolveResourceValue(baseAmount, auras, cost.resource, "cost"),
+      auras,
+      "power",
+      "cost",
+    );
+    return { resource: cost.resource, amount: Math.max(0, Math.round(adjusted)) };
+  });
 }
 
 export function partyAbilityIsReady(