Altitude/AlttdGriefPrevention
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Prevented cannons from putting blocks in claims.

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e.g. sand and gravel cannons
This commit is contained in:
ryanhamshire 2014-12-23 10:43:50 -08:00
parent f0deef80aa
commit 7b280d2b22
1 changed files with 49 additions and 0 deletions
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49
src/me/ryanhamshire/GriefPrevention/EntityEventHandler.java
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@ -35,6 +35,7 @@ import org.bukkit.entity.Enderman;
import org.bukkit.entity.Entity; import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType; import org.bukkit.entity.EntityType;
import org.bukkit.entity.Explosive; import org.bukkit.entity.Explosive;
import org.bukkit.entity.FallingBlock;
import org.bukkit.entity.Item; import org.bukkit.entity.Item;
import org.bukkit.entity.LivingEntity; import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Monster; import org.bukkit.entity.Monster;
@ -65,6 +66,8 @@ import org.bukkit.event.hanging.HangingPlaceEvent;
import org.bukkit.event.vehicle.VehicleDamageEvent; import org.bukkit.event.vehicle.VehicleDamageEvent;
import org.bukkit.inventory.ItemStack; import org.bukkit.inventory.ItemStack;
import org.bukkit.metadata.FixedMetadataValue; import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.metadata.MetadataValue;
import org.bukkit.util.Vector;
//handles events related to entities //handles events related to entities
class EntityEventHandler implements Listener class EntityEventHandler implements Listener
@ -96,6 +99,52 @@ class EntityEventHandler implements Listener
{ {
event.setCancelled(true); event.setCancelled(true);
} }
//sand cannon fix - when the falling block doesn't fall straight down, take additional anti-grief steps
else if (event.getEntityType() == EntityType.FALLING_BLOCK)
{
FallingBlock entity = (FallingBlock)event.getEntity();
Block block = event.getBlock();
//if changing a block TO air, this is when the falling block formed. note its original location
if(event.getTo() == Material.AIR)
{
entity.setMetadata("GP_FALLINGBLOCK", new FixedMetadataValue(GriefPrevention.instance, block.getLocation()));
}
//otherwise, the falling block is forming a block. compare new location to original source
else
{
List<MetadataValue> values = entity.getMetadata("GP_FALLINGBLOCK");
//if we're not sure where this entity came from (maybe another plugin didn't follow the standard?), allow the block to form
if(values.size() < 1) return;
Location originalLocation = (Location)(values.get(0).value());
Location newLocation = block.getLocation();
//if did not fall straight down
if(originalLocation.getBlockX() != newLocation.getBlockX() || originalLocation.getBlockZ() != newLocation.getBlockZ())
{
//in creative mode worlds, never form the block
if(GriefPrevention.instance.config_claims_worldModes.get(newLocation.getWorld()) == ClaimsMode.Creative)
{
event.setCancelled(true);
return;
}
//in other worlds, if landing in land claim, only allow if source was also in the land claim
Claim claim = this.dataStore.getClaimAt(newLocation, false, null);
if(claim != null && !claim.contains(originalLocation, false, false))
{
//when not allowed, drop as item instead of forming a block
event.setCancelled(true);
ItemStack itemStack = new ItemStack(entity.getMaterial(), 1, entity.getBlockData());
Item item = block.getWorld().dropItem(entity.getLocation(), itemStack);
item.setVelocity(new Vector());
}
}
}
}
} }
//don't allow zombies to break down doors //don't allow zombies to break down doors