AlttdGriefPrevention/src/me/ryanhamshire/GriefPrevention/BlockEventHandler.java
2014-12-13 11:26:31 -08:00

730 lines
28 KiB
Java

/*
GriefPrevention Server Plugin for Minecraft
Copyright (C) 2012 Ryan Hamshire
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package me.ryanhamshire.GriefPrevention;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.bukkit.ChatColor;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.OfflinePlayer;
import org.bukkit.World.Environment;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
import org.bukkit.block.Chest;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockBurnEvent;
import org.bukkit.event.block.BlockDamageEvent;
import org.bukkit.event.block.BlockDispenseEvent;
import org.bukkit.event.block.BlockFromToEvent;
import org.bukkit.event.block.BlockIgniteEvent;
import org.bukkit.event.block.BlockIgniteEvent.IgniteCause;
import org.bukkit.event.block.BlockPistonExtendEvent;
import org.bukkit.event.block.BlockPistonRetractEvent;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.block.BlockSpreadEvent;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.world.StructureGrowEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.PlayerInventory;
import org.bukkit.material.Dispenser;
import org.bukkit.util.Vector;
//event handlers related to blocks
public class BlockEventHandler implements Listener
{
//convenience reference to singleton datastore
private DataStore dataStore;
private ArrayList<Material> trashBlocks;
//constructor
public BlockEventHandler(DataStore dataStore)
{
this.dataStore = dataStore;
//create the list of blocks which will not trigger a warning when they're placed outside of land claims
this.trashBlocks = new ArrayList<Material>();
this.trashBlocks.add(Material.COBBLESTONE);
this.trashBlocks.add(Material.TORCH);
this.trashBlocks.add(Material.DIRT);
this.trashBlocks.add(Material.SAPLING);
this.trashBlocks.add(Material.GRAVEL);
this.trashBlocks.add(Material.SAND);
this.trashBlocks.add(Material.TNT);
this.trashBlocks.add(Material.WORKBENCH);
}
//when a player breaks a block...
@EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
public void onBlockBreak(BlockBreakEvent breakEvent)
{
Player player = breakEvent.getPlayer();
Block block = breakEvent.getBlock();
//make sure the player is allowed to break at the location
String noBuildReason = GriefPrevention.instance.allowBreak(player, block, block.getLocation());
if(noBuildReason != null)
{
GriefPrevention.sendMessage(player, TextMode.Err, noBuildReason);
breakEvent.setCancelled(true);
return;
}
}
//when a player places a sign...
@EventHandler(ignoreCancelled = true)
public void onSignChanged(SignChangeEvent event)
{
//send sign content to online administrators
if(!GriefPrevention.instance.config_signNotifications) return;
Player player = event.getPlayer();
if(player == null) return;
StringBuilder lines = new StringBuilder();
boolean notEmpty = false;
for(int i = 0; i < event.getLines().length; i++)
{
if(event.getLine(i).length() != 0) notEmpty = true;
lines.append("\n" + event.getLine(i));
}
String signMessage = lines.toString();
//if not empty and wasn't the same as the last sign, log it and remember it for later
PlayerData playerData = this.dataStore.getPlayerData(player.getUniqueId());
if(notEmpty && playerData.lastMessage != null && !playerData.lastMessage.equals(signMessage))
{
GriefPrevention.AddLogEntry("[Sign Placement] <" + player.getName() + "> " + " @ " + GriefPrevention.getfriendlyLocationString(event.getBlock().getLocation()) + lines.toString());
playerData.lastMessage = signMessage;
if(!player.hasPermission("griefprevention.eavesdrop"))
{
Collection<Player> players = (Collection<Player>)GriefPrevention.instance.getServer().getOnlinePlayers();
for(Player otherPlayer : players)
{
if(otherPlayer.hasPermission("griefprevention.eavesdrop"))
{
otherPlayer.sendMessage(ChatColor.GRAY + player.getName() + " sign @ " + GriefPrevention.getfriendlyLocationString(event.getBlock().getLocation()) + " :" + signMessage);
}
}
}
}
}
//when a player places a block...
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGH)
public void onBlockPlace(BlockPlaceEvent placeEvent)
{
Player player = placeEvent.getPlayer();
Block block = placeEvent.getBlock();
//FEATURE: limit fire placement, to prevent PvP-by-fire
//if placed block is fire and pvp is off, apply rules for proximity to other players
if(block.getType() == Material.FIRE && !GriefPrevention.instance.config_pvp_enabledWorlds.contains(block.getWorld()) && !player.hasPermission("griefprevention.lava"))
{
List<Player> players = block.getWorld().getPlayers();
for(int i = 0; i < players.size(); i++)
{
Player otherPlayer = players.get(i);
Location location = otherPlayer.getLocation();
if(!otherPlayer.equals(player) && location.distanceSquared(block.getLocation()) < 9)
{
GriefPrevention.sendMessage(player, TextMode.Err, Messages.PlayerTooCloseForFire, otherPlayer.getName());
placeEvent.setCancelled(true);
return;
}
}
}
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(placeEvent.getBlock().getWorld())) return;
//make sure the player is allowed to build at the location
String noBuildReason = GriefPrevention.instance.allowBuild(player, block.getLocation(), block.getType());
if(noBuildReason != null)
{
GriefPrevention.sendMessage(player, TextMode.Err, noBuildReason);
placeEvent.setCancelled(true);
return;
}
//if the block is being placed within or under an existing claim
PlayerData playerData = this.dataStore.getPlayerData(player.getUniqueId());
Claim claim = this.dataStore.getClaimAt(block.getLocation(), true, playerData.lastClaim);
if(claim != null)
{
playerData.lastClaim = claim;
//FEATURE: prevent theft from container using a hopper when the container is at the very bottom of a land claim
if(block.getType() == Material.HOPPER)
{
//is the above block inside the land claim?
Block aboveBlock = block.getRelative(BlockFace.UP);
if(claim.contains(aboveBlock.getLocation(), false, false))
{
//then the player needs container trust to place the hopper
String failureMessage = claim.allowContainers(player);
if(failureMessage != null)
{
placeEvent.setCancelled(true);
GriefPrevention.sendMessage(player, TextMode.Err, failureMessage);
return;
}
}
}
//rails can't be placed ANYWHERE under a claim, because they could be pushed up to the
//target container using pistons
if(block.getType().name().contains("RAIL"))
{
//then the player needs container trust to place the hopper
String failureMessage = claim.allowContainers(player);
if(failureMessage != null)
{
placeEvent.setCancelled(true);
GriefPrevention.sendMessage(player, TextMode.Err, failureMessage);
return;
}
}
//warn about TNT not destroying claimed blocks
if(block.getType() == Material.TNT && !claim.areExplosivesAllowed)
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.NoTNTDamageClaims);
GriefPrevention.sendMessage(player, TextMode.Instr, Messages.ClaimExplosivesAdvertisement);
}
//if the player has permission for the claim and he's placing UNDER the claim
if(block.getY() <= claim.lesserBoundaryCorner.getBlockY() && claim.allowBuild(player, block.getType()) == null)
{
//extend the claim downward
this.dataStore.extendClaim(claim, claim.getLesserBoundaryCorner().getBlockY() - GriefPrevention.instance.config_claims_claimsExtendIntoGroundDistance);
}
//allow for a build warning in the future
playerData.warnedAboutBuildingOutsideClaims = false;
}
//FEATURE: automatically create a claim when a player who has no claims places a chest
//otherwise if there's no claim, the player is placing a chest, and new player automatic claims are enabled
else if(block.getType() == Material.CHEST && GriefPrevention.instance.config_claims_automaticClaimsForNewPlayersRadius > -1 && GriefPrevention.instance.claimsEnabledForWorld(block.getWorld()))
{
//if the chest is too deep underground, don't create the claim and explain why
if(GriefPrevention.instance.config_claims_preventTheft && block.getY() < GriefPrevention.instance.config_claims_maxDepth)
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.TooDeepToClaim);
return;
}
int radius = GriefPrevention.instance.config_claims_automaticClaimsForNewPlayersRadius;
//if the player doesn't have any claims yet, automatically create a claim centered at the chest
if(playerData.getClaims().size() == 0)
{
//radius == 0 means protect ONLY the chest
if(GriefPrevention.instance.config_claims_automaticClaimsForNewPlayersRadius == 0)
{
this.dataStore.createClaim(block.getWorld(), block.getX(), block.getX(), block.getY(), block.getY(), block.getZ(), block.getZ(), player.getUniqueId(), null, null);
GriefPrevention.sendMessage(player, TextMode.Success, Messages.ChestClaimConfirmation);
}
//otherwise, create a claim in the area around the chest
else
{
//as long as the automatic claim overlaps another existing claim, shrink it
//note that since the player had permission to place the chest, at the very least, the automatic claim will include the chest
while(radius >= 0 && !this.dataStore.createClaim(block.getWorld(),
block.getX() - radius, block.getX() + radius,
block.getY() - GriefPrevention.instance.config_claims_claimsExtendIntoGroundDistance, block.getY(),
block.getZ() - radius, block.getZ() + radius,
player.getUniqueId(),
null, null).succeeded)
{
radius--;
}
//notify and explain to player
GriefPrevention.sendMessage(player, TextMode.Success, Messages.AutomaticClaimNotification);
//show the player the protected area
Claim newClaim = this.dataStore.getClaimAt(block.getLocation(), false, null);
Visualization visualization = Visualization.FromClaim(newClaim, block.getY(), VisualizationType.Claim, player.getLocation());
Visualization.Apply(player, visualization);
}
GriefPrevention.sendMessage(player, TextMode.Instr, Messages.SurvivalBasicsVideo, DataStore.SURVIVAL_VIDEO_URL);
}
//check to see if this chest is in a claim, and warn when it isn't
if(GriefPrevention.instance.config_claims_preventTheft && this.dataStore.getClaimAt(block.getLocation(), false, playerData.lastClaim) == null)
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.UnprotectedChestWarning);
}
}
//FEATURE: limit wilderness tree planting to grass, or dirt with more blocks beneath it
else if(block.getType() == Material.SAPLING && GriefPrevention.instance.config_blockSkyTrees && GriefPrevention.instance.claimsEnabledForWorld(player.getWorld()))
{
Block earthBlock = placeEvent.getBlockAgainst();
if(earthBlock.getType() != Material.GRASS)
{
if(earthBlock.getRelative(BlockFace.DOWN).getType() == Material.AIR ||
earthBlock.getRelative(BlockFace.DOWN).getRelative(BlockFace.DOWN).getType() == Material.AIR)
{
placeEvent.setCancelled(true);
}
}
}
//FEATURE: warn players when they're placing non-trash blocks outside of their claimed areas
else if(!this.trashBlocks.contains(block.getType()) && GriefPrevention.instance.claimsEnabledForWorld(block.getWorld()))
{
if(!playerData.warnedAboutBuildingOutsideClaims
&& ((playerData.lastClaim == null && playerData.getClaims().size() == 0)
|| (playerData.lastClaim != null && playerData.lastClaim.isNear(player.getLocation(), 15))))
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.BuildingOutsideClaims);
playerData.warnedAboutBuildingOutsideClaims = true;
if(playerData.getClaims().size() < 2)
{
GriefPrevention.sendMessage(player, TextMode.Instr, Messages.SurvivalBasicsVideo, DataStore.SURVIVAL_VIDEO_URL);
}
if(playerData.lastClaim != null)
{
Visualization visualization = Visualization.FromClaim(playerData.lastClaim, block.getY(), VisualizationType.Claim, player.getLocation());
Visualization.Apply(player, visualization);
}
}
}
//warn players when they place TNT above sea level, since it doesn't destroy blocks there
if( GriefPrevention.instance.config_blockSurfaceOtherExplosions && block.getType() == Material.TNT &&
block.getWorld().getEnvironment() != Environment.NETHER &&
block.getY() > GriefPrevention.instance.getSeaLevel(block.getWorld()) - 5)
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.NoTNTDamageAboveSeaLevel);
}
//warn players about disabled pistons outside of land claims
if( GriefPrevention.instance.config_pistonsInClaimsOnly &&
(block.getType() == Material.PISTON_BASE || block.getType() == Material.PISTON_STICKY_BASE) &&
claim == null )
{
GriefPrevention.sendMessage(player, TextMode.Warn, Messages.NoPistonsOutsideClaims);
}
}
//blocks "pushing" other players' blocks around (pistons)
@EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
public void onBlockPistonExtend (BlockPistonExtendEvent event)
{
//pushing down is ALWAYS safe
if(event.getDirection() == BlockFace.DOWN) return;
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(event.getBlock().getWorld())) return;
Block pistonBlock = event.getBlock();
List<Block> blocks = event.getBlocks();
//if no blocks moving, then only check to make sure we're not pushing into a claim from outside
//this avoids pistons breaking non-solids just inside a claim, like torches, doors, and touchplates
if(blocks.size() == 0)
{
Block invadedBlock = pistonBlock.getRelative(event.getDirection());
//pushing "air" is harmless
if(invadedBlock.getType() == Material.AIR) return;
if( this.dataStore.getClaimAt(pistonBlock.getLocation(), false, null) == null &&
this.dataStore.getClaimAt(invadedBlock.getLocation(), false, null) != null)
{
event.setCancelled(true);
}
return;
}
//who owns the piston, if anyone?
String pistonClaimOwnerName = "_";
Claim claim = this.dataStore.getClaimAt(event.getBlock().getLocation(), false, null);
if(claim != null) pistonClaimOwnerName = claim.getOwnerName();
//if pistons are limited to same-claim block movement
if(GriefPrevention.instance.config_pistonsInClaimsOnly)
{
//if piston is not in a land claim, cancel event
if(claim == null)
{
event.setCancelled(true);
return;
}
for(Block pushedBlock : event.getBlocks())
{
//if pushing blocks located outside the land claim it lives in, cancel the event
if(!claim.contains(pushedBlock.getLocation(), false, false))
{
event.setCancelled(true);
return;
}
//if pushing a block inside the claim out of the claim, cancel the event
//reason: could push into another land claim, don't want to spend CPU checking for that
//reason: push ice out, place torch, get water outside the claim
if(!claim.contains(pushedBlock.getRelative(event.getDirection()).getLocation(), false, false))
{
event.setCancelled(true);
return;
}
}
}
//otherwise, consider ownership of piston and EACH pushed block
else
{
//which blocks are being pushed?
Claim cachedClaim = claim;
for(int i = 0; i < blocks.size(); i++)
{
//if ANY of the pushed blocks are owned by someone other than the piston owner, cancel the event
Block block = blocks.get(i);
claim = this.dataStore.getClaimAt(block.getLocation(), false, cachedClaim);
if(claim != null)
{
cachedClaim = claim;
if(!claim.getOwnerName().equals(pistonClaimOwnerName))
{
event.setCancelled(true);
event.getBlock().getWorld().createExplosion(event.getBlock().getLocation(), 0);
event.getBlock().getWorld().dropItem(event.getBlock().getLocation(), new ItemStack(event.getBlock().getType()));
event.getBlock().setType(Material.AIR);
return;
}
}
}
//if any of the blocks are being pushed into a claim from outside, cancel the event
for(int i = 0; i < blocks.size(); i++)
{
Block block = blocks.get(i);
Claim originalClaim = this.dataStore.getClaimAt(block.getLocation(), false, cachedClaim);
String originalOwnerName = "";
if(originalClaim != null)
{
cachedClaim = originalClaim;
originalOwnerName = originalClaim.getOwnerName();
}
Claim newClaim = this.dataStore.getClaimAt(block.getRelative(event.getDirection()).getLocation(), false, cachedClaim);
String newOwnerName = "";
if(newClaim != null)
{
newOwnerName = newClaim.getOwnerName();
}
//if pushing this block will change ownership, cancel the event and take away the piston (for performance reasons)
if(!newOwnerName.equals(originalOwnerName) && !newOwnerName.isEmpty())
{
event.setCancelled(true);
event.getBlock().getWorld().createExplosion(event.getBlock().getLocation(), 0);
event.getBlock().getWorld().dropItem(event.getBlock().getLocation(), new ItemStack(event.getBlock().getType()));
event.getBlock().setType(Material.AIR);
return;
}
}
}
}
//blocks theft by pulling blocks out of a claim (again pistons)
@EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
public void onBlockPistonRetract (BlockPistonRetractEvent event)
{
//we only care about sticky pistons retracting
if(!event.isSticky()) return;
//pulling up is always safe
if(event.getDirection() == BlockFace.UP) return;
//if pulling "air", always safe
if(event.getRetractLocation().getBlock().getType() == Material.AIR) return;
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(event.getBlock().getWorld())) return;
//if pistons limited to only pulling blocks which are in the same claim the piston is in
if(GriefPrevention.instance.config_pistonsInClaimsOnly)
{
//if piston not in a land claim, cancel event
Claim pistonClaim = this.dataStore.getClaimAt(event.getBlock().getLocation(), false, null);
if(pistonClaim == null)
{
event.setCancelled(true);
return;
}
//if pulled block isn't in the same land claim, cancel the event
if(!pistonClaim.contains(event.getRetractLocation(), false, false))
{
event.setCancelled(true);
return;
}
}
//otherwise, consider ownership of both piston and block
else
{
//who owns the moving block, if anyone?
String movingBlockOwnerName = "_";
Claim movingBlockClaim = this.dataStore.getClaimAt(event.getRetractLocation(), false, null);
if(movingBlockClaim != null) movingBlockOwnerName = movingBlockClaim.getOwnerName();
//who owns the piston, if anyone?
String pistonOwnerName = "_";
Location pistonLocation = event.getBlock().getLocation();
Claim pistonClaim = this.dataStore.getClaimAt(pistonLocation, false, movingBlockClaim);
if(pistonClaim != null) pistonOwnerName = pistonClaim.getOwnerName();
//if there are owners for the blocks, they must be the same player
//otherwise cancel the event
if(!pistonOwnerName.equals(movingBlockOwnerName))
{
event.setCancelled(true);
}
}
}
//blocks are ignited ONLY by flint and steel (not by being near lava, open flames, etc), unless configured otherwise
@EventHandler(priority = EventPriority.LOWEST)
public void onBlockIgnite (BlockIgniteEvent igniteEvent)
{
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(igniteEvent.getBlock().getWorld())) return;
if(!GriefPrevention.instance.config_fireSpreads && igniteEvent.getCause() != IgniteCause.FLINT_AND_STEEL && igniteEvent.getCause() != IgniteCause.LIGHTNING)
{
igniteEvent.setCancelled(true);
}
}
//fire doesn't spread unless configured to, but other blocks still do (mushrooms and vines, for example)
@EventHandler(priority = EventPriority.LOWEST)
public void onBlockSpread (BlockSpreadEvent spreadEvent)
{
if(spreadEvent.getSource().getType() != Material.FIRE) return;
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(spreadEvent.getBlock().getWorld())) return;
if(!GriefPrevention.instance.config_fireSpreads)
{
spreadEvent.setCancelled(true);
Block underBlock = spreadEvent.getSource().getRelative(BlockFace.DOWN);
if(underBlock.getType() != Material.NETHERRACK)
{
spreadEvent.getSource().setType(Material.AIR);
}
return;
}
//never spread into a claimed area, regardless of settings
if(this.dataStore.getClaimAt(spreadEvent.getBlock().getLocation(), false, null) != null)
{
spreadEvent.setCancelled(true);
//if the source of the spread is not fire on netherrack, put out that source fire to save cpu cycles
Block source = spreadEvent.getSource();
if(source.getRelative(BlockFace.DOWN).getType() != Material.NETHERRACK)
{
source.setType(Material.AIR);
}
}
}
//blocks are not destroyed by fire, unless configured to do so
@EventHandler(priority = EventPriority.LOWEST)
public void onBlockBurn (BlockBurnEvent burnEvent)
{
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(burnEvent.getBlock().getWorld())) return;
if(!GriefPrevention.instance.config_fireDestroys)
{
burnEvent.setCancelled(true);
Block block = burnEvent.getBlock();
Block [] adjacentBlocks = new Block []
{
block.getRelative(BlockFace.UP),
block.getRelative(BlockFace.DOWN),
block.getRelative(BlockFace.NORTH),
block.getRelative(BlockFace.SOUTH),
block.getRelative(BlockFace.EAST),
block.getRelative(BlockFace.WEST)
};
//pro-actively put out any fires adjacent the burning block, to reduce future processing here
for(int i = 0; i < adjacentBlocks.length; i++)
{
Block adjacentBlock = adjacentBlocks[i];
if(adjacentBlock.getType() == Material.FIRE && adjacentBlock.getRelative(BlockFace.DOWN).getType() != Material.NETHERRACK)
{
adjacentBlock.setType(Material.AIR);
}
}
Block aboveBlock = block.getRelative(BlockFace.UP);
if(aboveBlock.getType() == Material.FIRE)
{
aboveBlock.setType(Material.AIR);
}
return;
}
//never burn claimed blocks, regardless of settings
if(this.dataStore.getClaimAt(burnEvent.getBlock().getLocation(), false, null) != null)
{
burnEvent.setCancelled(true);
}
}
//ensures fluids don't flow into land claims from outside
private Claim lastSpreadClaim = null;
@EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
public void onBlockFromTo (BlockFromToEvent spreadEvent)
{
//always allow fluids to flow straight down
if(spreadEvent.getFace() == BlockFace.DOWN) return;
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(spreadEvent.getBlock().getWorld())) return;
//where to?
Block toBlock = spreadEvent.getToBlock();
Location toLocation = toBlock.getLocation();
Claim toClaim = this.dataStore.getClaimAt(toLocation, false, lastSpreadClaim);
//if into a land claim, it must be from the same land claim
if(toClaim != null)
{
this.lastSpreadClaim = toClaim;
if(!toClaim.contains(spreadEvent.getBlock().getLocation(), false, false))
{
spreadEvent.setCancelled(true);
}
}
}
//ensures dispensers can't be used to dispense a block(like water or lava) or item across a claim boundary
@EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
public void onDispense(BlockDispenseEvent dispenseEvent)
{
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(dispenseEvent.getBlock().getWorld())) return;
//from where?
Block fromBlock = dispenseEvent.getBlock();
Dispenser dispenser = new Dispenser(fromBlock.getType(), fromBlock.getData());
//to where?
Block toBlock = fromBlock.getRelative(dispenser.getFacing());
Claim fromClaim = this.dataStore.getClaimAt(fromBlock.getLocation(), false, null);
Claim toClaim = this.dataStore.getClaimAt(toBlock.getLocation(), false, fromClaim);
//into wilderness is NOT OK in creative mode worlds
Material materialDispensed = dispenseEvent.getItem().getType();
if((materialDispensed == Material.WATER_BUCKET || materialDispensed == Material.LAVA_BUCKET) && GriefPrevention.instance.creativeRulesApply(dispenseEvent.getBlock().getLocation()) && toClaim == null)
{
dispenseEvent.setCancelled(true);
return;
}
//wilderness to wilderness is OK
if(fromClaim == null && toClaim == null) return;
//within claim is OK
if(fromClaim == toClaim) return;
//everything else is NOT OK
dispenseEvent.setCancelled(true);
}
@EventHandler(ignoreCancelled = true)
public void onTreeGrow (StructureGrowEvent growEvent)
{
//only take these potentially expensive steps if configured to do so
if(!GriefPrevention.instance.config_limitTreeGrowth) return;
//don't track in worlds where claims are not enabled
if(!GriefPrevention.instance.claimsEnabledForWorld(growEvent.getWorld())) return;
Location rootLocation = growEvent.getLocation();
Claim rootClaim = this.dataStore.getClaimAt(rootLocation, false, null);
String rootOwnerName = null;
//who owns the spreading block, if anyone?
if(rootClaim != null)
{
//tree growth in subdivisions is dependent on who owns the top level claim
if(rootClaim.parent != null) rootClaim = rootClaim.parent;
//if an administrative claim, just let the tree grow where it wants
if(rootClaim.isAdminClaim()) return;
//otherwise, note the owner of the claim
rootOwnerName = rootClaim.getOwnerName();
}
//for each block growing
for(int i = 0; i < growEvent.getBlocks().size(); i++)
{
BlockState block = growEvent.getBlocks().get(i);
Claim blockClaim = this.dataStore.getClaimAt(block.getLocation(), false, rootClaim);
//if it's growing into a claim
if(blockClaim != null)
{
//if there's no owner for the new tree, or the owner for the new tree is different from the owner of the claim
if(rootOwnerName == null || !rootOwnerName.equals(blockClaim.getOwnerName()))
{
growEvent.getBlocks().remove(i--);
}
}
}
}
}