抽卡：修改抽卡奖池逻辑

shared/pubUtils/dictionary/DicGachaFloor.ts

@@ -0,0 +1,25 @@
+import { readFileAndParse } from '../util';
+import { GACHA_FLOOR_TYPE, FILENAME } from '../../consts';
+
+export interface DicGachaFloor {
+    // 保底id
+    readonly id: number;
+    // 类型
+    readonly floorType: GACHA_FLOOR_TYPE;
+    // 目标武将品质
+    readonly heroQuality: number;
+    // 参数
+    readonly param: number;
+}
+
+export const dicGachaFloor = new Map<number, DicGachaFloor>(); // floorId => plans
+export function loadGachaFloor() {
+    dicGachaFloor.clear();
+    let arr = readFileAndParse(FILENAME.DIC_GACHA_FLOOR);
+
+    arr.forEach(o => {
+        dicGachaFloor.set(o.id, o);
+    });
+    
+    arr = undefined;
+}