public void setDifficultyForAllWorlds(EnumDifficulty difficulty) { for (int var2 = 0; var2 < this.worldServers.length; ++var2) { WorldServer var3 = this.worldServers[var2]; if (var3 != null) { if (var3.getWorldInfo().isHardcoreModeEnabled()) { var3.getWorldInfo().setDifficulty(EnumDifficulty.HARD); var3.setAllowedSpawnTypes(true, true); } else if (this.isSinglePlayer()) { var3.getWorldInfo().setDifficulty(difficulty); var3.setAllowedSpawnTypes(var3.getDifficulty() != EnumDifficulty.PEACEFUL, true); } else { var3.getWorldInfo().setDifficulty(difficulty); var3.setAllowedSpawnTypes(this.allowSpawnMonsters(), this.canSpawnAnimals); } } } }