调整部分数据表配置，优化 SpriteCache 功能

Assets/GameMain/DataTables/tblevelconfig.json

@@ -3,12 +3,12 @@
     "id": 1,
     "enemySpawnConfigs": [
       {
-        "enemyName": "近战敌人",
+        "enemyType": 1,
         "enemyCount": 5,
         "interval": 4000
       },
       {
-        "enemyName": "远程敌人",
+        "enemyType": 2,
         "enemyCount": 2,
         "interval": 5000
       }
@@ -19,7 +19,7 @@
     "id": 2,
     "enemySpawnConfigs": [
       {
-        "enemyName": "近战敌人",
+        "enemyType": 1,
         "enemyCount": 8,
         "interval": 3500
       }
@@ -30,12 +30,12 @@
     "id": 3,
     "enemySpawnConfigs": [
       {
-        "enemyName": "近战敌人",
+        "enemyType": 1,
         "enemyCount": 6,
         "interval": 3500
       },
       {
-        "enemyName": "蝙蝠",
+        "enemyType": 3,
         "enemyCount": 4,
         "interval": 3000
       }
@@ -46,12 +46,12 @@
     "id": 4,
     "enemySpawnConfigs": [
       {
-        "enemyName": "骷髅兵",
+        "enemyType": 4,
         "enemyCount": 6,
         "interval": 3000
       },
       {
-        "enemyName": "远程敌人",
+        "enemyType": 2,
         "enemyCount": 4,
         "interval": 4000
       }
@@ -62,12 +62,12 @@
     "id": 5,
     "enemySpawnConfigs": [
       {
-        "enemyName": "近战敌人",
+        "enemyType": 1,
         "enemyCount": 10,
         "interval": 2500
       },
       {
-        "enemyName": "蝙蝠",
+        "enemyType": 3,
         "enemyCount": 5,
         "interval": 2000
       }
@@ -78,12 +78,12 @@
     "id": 6,
     "enemySpawnConfigs": [
       {
-        "enemyName": "骷髅兵",
+        "enemyType": 4,
         "enemyCount": 6,
         "interval": 3000
       },
       {
-        "enemyName": "幽灵",
+        "enemyType": 6,
         "enemyCount": 5,
         "interval": 3500
       }
@@ -94,12 +94,12 @@
     "id": 7,
     "enemySpawnConfigs": [
       {
-        "enemyName": "蝙蝠",
+        "enemyType": 3,
         "enemyCount": 5,
         "interval": 3000
       },
       {
-        "enemyName": "幽灵",
+        "enemyType": 6,
         "enemyCount": 4,
         "interval": 3000
       }
@@ -110,17 +110,17 @@
     "id": 8,
     "enemySpawnConfigs": [
       {
-        "enemyName": "近战敌人",
+        "enemyType": 1,
         "enemyCount": 8,
         "interval": 3000
       },
       {
-        "enemyName": "骷髅巨人",
+        "enemyType": 5,
         "enemyCount": 2,
         "interval": 8000
       },
       {
-        "enemyName": "火焰法师",
+        "enemyType": 7,
         "enemyCount": 3,
         "interval": 5000
       }
@@ -131,17 +131,17 @@
     "id": 9,
     "enemySpawnConfigs": [
       {
-        "enemyName": "骷髅兵",
+        "enemyType": 4,
         "enemyCount": 8,
         "interval": 2500
       },
       {
-        "enemyName": "骷髅巨人",
+        "enemyType": 5,
         "enemyCount": 3,
         "interval": 6000
       },
       {
-        "enemyName": "火焰法师",
+        "enemyType": 7,
         "enemyCount": 4,
         "interval": 3000
       }
@@ -152,22 +152,22 @@
     "id": 10,
     "enemySpawnConfigs": [
       {
-        "enemyName": "蝙蝠",
+        "enemyType": 3,
         "enemyCount": 10,
         "interval": 2000
       },
       {
-        "enemyName": "骷髅兵",
+        "enemyType": 4,
         "enemyCount": 3,
         "interval": 8000
       },
       {
-        "enemyName": "幽灵",
+        "enemyType": 6,
         "enemyCount": 5,
         "interval": 3000
       },
       {
-        "enemyName": "火焰法师",
+        "enemyType": 7,
         "enemyCount": 4,
         "interval": 4000
       }