refactor(mission): 调整刷新石消耗逻辑并统一配置

1. 新增刷新石单次消耗常量配置到GameSet
2. 重构刷新消耗计算逻辑，统一从配置读取消耗值
3. 更新UI显示逻辑，正确展示单次刷新所需刷新石数量
4. 修复刷新石扣除逻辑，按实际配置值扣除而非固定1

assets/script/game/common/config/GameSet.ts

@@ -50,6 +50,8 @@ export enum FightSet {
     BASE_COST = 5,
     INIT_COIN = 7, // 初始金币数
     INIT_REFRESH_STONE = 3, // 初始刷新石数量
+    /** 单次刷新消耗的刷新石数量 */
+    REFRESH_STONE_COST = 1,
 }
 
 /**

assets/script/game/map/MissionCardComp.ts

@@ -1699,10 +1699,11 @@ export class MissionCardComp extends CCComp {
 
     private updateDrawCostUI() {
         const stones = MissionEconomy.getRefreshStone();
-        this.updateOneRefreshBtnUI(this.cards_chou, stones);
+        const stoneCost = MissionEconomy.getRefreshStoneCost();
-        this.updateOneRefreshBtnUI(this.equip_refresh, stones);
+        this.updateOneRefreshBtnUI(this.cards_chou, stones, stoneCost);
-        this.updateOneRefreshBtnUI(this.shop_refresh, stones);
+        this.updateOneRefreshBtnUI(this.equip_refresh, stones, stoneCost);
-        this.updateOneRefreshBtnUI(this.skill_refresh, stones);
+        this.updateOneRefreshBtnUI(this.shop_refresh, stones, stoneCost);
+        this.updateOneRefreshBtnUI(this.skill_refresh, stones, stoneCost);
     }
 
     /**
@@ -1717,11 +1718,13 @@ export class MissionCardComp extends CCComp {
      *
      * @param btnNode 刷新按钮节点
      * @param stones  当前刷新石数量（外部统一读取，避免 4 次重复访问）
+     * @param stoneCost 单次刷新消耗的刷新石数量
      */
-    private updateOneRefreshBtnUI(btnNode: Node | null, stones: number) {
+    private updateOneRefreshBtnUI(btnNode: Node | null, stones: number, stoneCost: number) {
         if (!btnNode || !btnNode.isValid) return;
 
-        const useStone = stones > 0;
+        // 刷新石足够一次消耗时走刷新石通道，否则走金币通道
+        const useStone = stones >= stoneCost;
 
         // 置灰遮罩：有刷新石必定可刷新，否则按金币判断
         const nobg = btnNode.getChildByName("nobg");
@@ -1745,14 +1748,14 @@ export class MissionCardComp extends CCComp {
             }
         }
 
-        // 刷新石费用节点（显示当前持有数量）
+        // 刷新石费用节点（显示单次刷新消耗数量）
         const stoneNode = container.getChildByName("stone");
         if (stoneNode) {
             stoneNode.active = useStone;
             if (useStone) {
                 const numLabel = stoneNode.getChildByName("num")?.getComponent(Label);
                 if (numLabel) {
-                    numLabel.string = `${stones}`;
+                    numLabel.string = `${stoneCost}`;
                 }
             }
         }

assets/script/game/map/MissionEconomy.ts

@@ -1,6 +1,7 @@
 import { smc } from "../common/SingletonModuleComp";
 import { oops } from "../../../../extensions/oops-plugin-framework/assets/core/Oops";
 import { GameEvent } from "../common/config/GameEvent";
+import { FightSet } from "../common/config/GameSet";
 import { FieldSkillType } from "../common/config/SkillSet";
 import { FieldSkillHelper } from "../hero/FieldSkillHelper";
 
@@ -70,26 +71,32 @@ export class MissionEconomy {
         oops.message.dispatchEvent(GameEvent.RefreshStone, { delta: amount });
     }
 
+    /** 单次刷新消耗的刷新石数量 */
+    static getRefreshStoneCost(): number {
+        return Math.max(1, Math.floor(FightSet.REFRESH_STONE_COST));
+    }
+
     /**
-     * 判断当前是否可以执行一次刷新（有刷新石或金币足够）
+     * 判断当前是否可以执行一次刷新（刷新石足够或金币足够）
      */
     static canRefresh(baseCost: number = 1): boolean {
-        if (this.getRefreshStone() > 0) return true;
+        if (this.getRefreshStone() >= this.getRefreshStoneCost()) return true;
         return this.getCoin() >= this.getRefreshCost(baseCost);
     }
 
-    /** 
+    /**
      * 执行刷新卡牌：
-     *   1. 刷新石 > 0 时优先扣除 1 颗刷新石（不消耗金币）。
+     *   1. 刷新石足够时优先扣除 REFRESH_STONE_COST 颗刷新石（不消耗金币）。
      *   2. 刷新石不足时扣除金币（含刷新优惠折扣）。
      */
     static executeRefresh(baseCost: number = 1): boolean {
         // 优先消耗刷新石
+        const stoneCost = this.getRefreshStoneCost();
         const stones = this.getRefreshStone();
-        if (stones > 0) {
+        if (stones >= stoneCost) {
-            smc.vmdata.mission_data.refresh_stone = stones - 1;
+            smc.vmdata.mission_data.refresh_stone = stones - stoneCost;
             smc.vmdata.scores.refresh_count++;
-            oops.message.dispatchEvent(GameEvent.RefreshStone, { delta: -1 });
+            oops.message.dispatchEvent(GameEvent.RefreshStone, { delta: -stoneCost });
             return true;
         }