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刷怪笼~

/setblock ~ ~1 ~ minecraft:mob_spawner 0 replace {MinSpawnDelay:10,MaxSpawnDelay:10,SpawnCount:1,Delay:1,RequiredPlayerRange:100,MaxNearbyEntities:1,SpawnRange:1,EntityId:FallingSand,SpawnPotentials:[{Type:FallingSand,Properties:{Pos:[-384.5,17.0,1209.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2832.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2831.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2830.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2829.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2828.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2827.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2826.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2825.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1},{Type:FallingSand,Properties:{Pos:[-2824.5,4.0,602.5],Tile:152,Time:50,DropItem:0,TileID:152,EntityId:FallingSand},Weight:1}]}

坐标自定
-2832 5 602