World

Entity       getEntity(int id)
Entity       getEntityById(int id)
List<Entity> getEntities()
List<Entity> getPlayerEntities()     // 世界里的玩家（含自己）
List<Entity> getItemEntities()       // 掉落物
List<Entity> getMobEntities()        // 生物
void removeEntity(int id)
void removeEntity(Entity entity)

List<NetworkPlayer> getNetworkPlayers()

Block   getBlockAt(int x, int y, int z)
Block   getBlockAt(double x, double y, double z)
Block   getBlockAt(Vec3 pos)
String  getBlockId(int x, int y, int z)       // "minecraft:stone"
boolean isAir(int x, int y, int z)
boolean isSolid(int x, int y, int z)
boolean isReplaceable(int x, int y, int z)    // 空气 / 水 / 草 / 雪层等
boolean isInteractable(int x, int y, int z)   // 箱子 / 门 / 按钮等

List<TileEntity> getTileEntities()

List<String>              getScoreboard()        // 侧边栏，按分降序
Map<String, List<String>> getTeams()             // teamName -> members

String  getDimension()                           // "minecraft:overworld"
long    getTime()
long    getDayTime()
boolean isDay()
boolean isNight()
boolean isRaining()
boolean isThundering()
int     getMinBuildHeight()
int     getMaxBuildHeight()

net.minecraft.client.multiplayer.ClientLevel raw()