| Package | Description | 
|---|---|
| org.bukkit | 
 More generalized classes in the API. 
 | 
| Modifier and Type | Field | Description | 
|---|---|---|
static GameRule<Boolean> | 
GameRule.ANNOUNCE_ADVANCEMENTS | 
 Toggles the announcing of advancements. 
 | 
static GameRule<Boolean> | 
GameRule.COMMAND_BLOCK_OUTPUT | 
 Whether command blocks should notify admins when they perform commands. 
 | 
static GameRule<Boolean> | 
GameRule.DISABLE_ELYTRA_MOVEMENT_CHECK | 
 Whether the server should skip checking player speed when the player is
 wearing elytra. 
 | 
static GameRule<Boolean> | 
GameRule.DISABLE_RAIDS | 
 Whether pillager raids are enabled or not. 
 | 
static GameRule<Boolean> | 
GameRule.DO_DAYLIGHT_CYCLE | 
 Whether time progresses from the current moment. 
 | 
static GameRule<Boolean> | 
GameRule.DO_ENTITY_DROPS | 
 Whether entities that are not mobs should have drops. 
 | 
static GameRule<Boolean> | 
GameRule.DO_FIRE_TICK | 
 Whether fire should spread and naturally extinguish. 
 | 
static GameRule<Boolean> | 
GameRule.DO_IMMEDIATE_RESPAWN | 
 Whether clients will respawn immediately after death or not. 
 | 
static GameRule<Boolean> | 
GameRule.DO_INSOMNIA | 
 Whether phantoms will appear without sleeping or not. 
 | 
static GameRule<Boolean> | 
GameRule.DO_LIMITED_CRAFTING | 
 Whether players should only be able to craft recipes they've unlocked
 first. 
 | 
static GameRule<Boolean> | 
GameRule.DO_MOB_LOOT | 
 Whether mobs should drop items. 
 | 
static GameRule<Boolean> | 
GameRule.DO_MOB_SPAWNING | 
 Whether mobs should naturally spawn. 
 | 
static GameRule<Boolean> | 
GameRule.DO_TILE_DROPS | 
 Whether blocks should have drops. 
 | 
static GameRule<Boolean> | 
GameRule.DO_WEATHER_CYCLE | 
 Whether the weather will change from the current moment. 
 | 
static GameRule<Boolean> | 
GameRule.DROWNING_DAMAGE | 
 Whether drowning damage is enabled or not. 
 | 
static GameRule<Boolean> | 
GameRule.FALL_DAMAGE | 
 Whether fall damage is enabled or not. 
 | 
static GameRule<Boolean> | 
GameRule.FIRE_DAMAGE | 
 Whether fire damage is enabled or not. 
 | 
static GameRule<Boolean> | 
GameRule.KEEP_INVENTORY | 
 Whether the player should keep items in their inventory after death. 
 | 
static GameRule<Boolean> | 
GameRule.LOG_ADMIN_COMMANDS | 
 Whether to log admin commands to server log. 
 | 
static GameRule<Integer> | 
GameRule.MAX_COMMAND_CHAIN_LENGTH | 
 Determines the number at which the chain of command blocks act as a
 "chain."
  
This is the maximum amount of command blocks that can be activated in a single tick from a single chain.  | 
static GameRule<Integer> | 
GameRule.MAX_ENTITY_CRAMMING | 
 The maximum number of other pushable entities a mob or player can push,
 before taking suffocation damage. 
 | 
static GameRule<Boolean> | 
GameRule.MOB_GRIEFING | 
 Whether mobs can pick up items or change blocks. 
 | 
static GameRule<Boolean> | 
GameRule.NATURAL_REGENERATION | 
 Whether players can regenerate health naturally through their hunger bar. 
 | 
static GameRule<Integer> | 
GameRule.RANDOM_TICK_SPEED | 
 How often a random block tick occurs (such as plant growth, leaf decay,
 etc.) per chunk section per game tick. 
 | 
static GameRule<Boolean> | 
GameRule.REDUCED_DEBUG_INFO | 
 Whether the debug screen shows all or reduced information. 
 | 
static GameRule<Boolean> | 
GameRule.SEND_COMMAND_FEEDBACK | 
 Whether the feedback from commands executed by a player should show up in
 chat. 
 | 
static GameRule<Boolean> | 
GameRule.SHOW_DEATH_MESSAGES | 
 Whether a message appears in chat when a player dies. 
 | 
static GameRule<Integer> | 
GameRule.SPAWN_RADIUS | 
 The number of blocks outward from the world spawn coordinates that a
 player will spawn in when first joining a server or when dying without a
 spawnpoint. 
 | 
static GameRule<Boolean> | 
GameRule.SPECTATORS_GENERATE_CHUNKS | 
 Whether players in spectator mode can generate chunks. 
 | 
| Modifier and Type | Method | Description | 
|---|---|---|
static GameRule<?> | 
GameRule.getByName(String rule) | 
 Get a  
GameRule by its name. | 
static GameRule<?>[] | 
GameRule.values() | 
 Get an immutable collection of  
GameRules. | 
| Modifier and Type | Method | Description | 
|---|---|---|
<T> T | 
World.getGameRuleDefault(GameRule<T> rule) | 
 Get the default value for a given  
GameRule. | 
<T> T | 
World.getGameRuleValue(GameRule<T> rule) | 
 Get the current value for a given  
GameRule. | 
<T> boolean | 
World.setGameRule(GameRule<T> rule,
           T newValue) | 
 Set the given  
GameRule's new value. | 
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