fix(map,card): 优化卡牌抽取逻辑，新增去重机制

1. 为drawCardsByRule新增unique参数，实现抽取卡牌不重复
2. 修复 fallback 抽取时的重复问题，优先选择未抽到过的卡牌
3. 修复驻场技能卡的图标显示逻辑，使用FieldSkillSet配置

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

@@ -290,14 +290,19 @@ const weightedPick = (cards: CardConfig[]): CardConfig | null => {
     return cards[cards.length - 1]
 }
 
-/** 连续抽取 count 张卡，允许重复 */
-const pickCards = (cards: CardConfig[], count: number): CardConfig[] => {
+/** 连续抽取 count 张卡，允许重复或通过 unique 剔除重复 */
+const pickCards = (cards: CardConfig[], count: number, unique: boolean = false): CardConfig[] => {
     if (cards.length === 0 || count <= 0) return []
     const selected: CardConfig[] = []
+    let available = [...cards]
     while (selected.length < count) {
-        const pick = weightedPick(cards)
+        if (available.length === 0) break
+        const pick = weightedPick(available)
         if (!pick) break
         selected.push(pick)
+        if (unique) {
+            available = available.filter(c => c.uuid !== pick.uuid)
+        }
     }
     return selected
 }
@@ -345,6 +350,7 @@ export const drawCardsByRule = (
         heroLv?: number
         targetPoolLv?: number
         wave?: number
+        unique?: boolean
     } = {}
 ): CardConfig[] => {
     const count = Math.max(0, Math.floor(options.count ?? 4))
@@ -394,6 +400,6 @@ export const drawCardsByRule = (
         })
     }
 
-    const picked = pickCards(pool, count)
+    const picked = pickCards(pool, count, options.unique)
     return picked
 }

assets/script/game/map/MissionCardComp.ts

@@ -906,7 +906,8 @@ export class MissionCardComp extends CCComp {
         const cards = drawCardsByRule(this.poolLv, {
             count: 3,
             type: targetType,
-            wave: currentWave
+            wave: currentWave,
+            unique: true // 保证技能牌不重复
         });
 
         if (cards.length >= 3) return cards.slice(0, 3);
@@ -915,11 +916,19 @@ export class MissionCardComp extends CCComp {
             const fallback = drawCardsByRule(this.poolLv, {
                 count: 3,
                 type: targetType,
-                wave: currentWave
+                wave: currentWave,
+                unique: true
             });
             if (fallback.length === 0) break;
+            
+            // 如果池子数量不足，只能被迫允许重复，但尽量拿没被抽到的
+            const fPick = fallback.find(c => !filled.some(fc => fc.uuid === c.uuid));
+            if (fPick) {
+                filled.push(fPick);
+            } else {
                 filled.push(fallback[filled.length % fallback.length]);
             }
+        }
         return filled;
     }
 

assets/script/game/map/SCardComp.ts

@@ -13,7 +13,7 @@ import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ec
 import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
 import { CardConfig, CardType, CKind, CardPoolList } from "../common/config/CardSet";
 import { CardBgComp } from "./CardBgComp";
-import { SkillSet } from "../common/config/SkillSet";
+import { FieldSkillSet, SkillSet } from "../common/config/SkillSet";
 import { GameEvent } from "../common/config/GameEvent";
 import { oops } from "db://oops-framework/core/Oops";
 import { smc } from "../common/SingletonModuleComp";
@@ -272,7 +272,14 @@ export class SCardComp extends CCComp {
         if (iconNode) {
             iconNode.setScale(new Vec3(1, 1, 1));
             this.clearIconAnimation(iconNode);
-            const iconId = skill?.icon || `${s_uuid}`;
+            // 驻场技能卡(skill=undefined 但有 field)使用 FieldSkillSet 中的图标
+            let iconId: string;
+            if (!this.cardData.skill && this.cardData.field && this.cardData.field.length > 0) {
+                const fieldUuid = this.cardData.field[0];
+                iconId = FieldSkillSet[fieldUuid]?.icon || `${fieldUuid}`;
+            } else {
+                iconId = skill?.icon || `${s_uuid}`;
+            }
             this.updateIcon(iconNode, iconId);
         }
     }