Altitude/AlttdGriefPrevention
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Nether portal fixes and perf optimizations.

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Not checking when it's safe to not check.  Checking maximum one
location.  Unfortunately, asking the portal travel agent to find any
possible existing portal seems both expensive, and unavoidable in the
common case.
This commit is contained in:
ryanhamshire 2015-01-05 21:05:05 -08:00
parent febd8f0525
commit 2c99b3a9e4
1 changed files with 32 additions and 16 deletions
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48
src/me/ryanhamshire/GriefPrevention/PlayerEventHandler.java
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@ -34,6 +34,7 @@ import org.bukkit.Chunk;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.OfflinePlayer;
import org.bukkit.TravelAgent;
import org.bukkit.World.Environment;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
@ -776,28 +777,43 @@ class PlayerEventHandler implements Listener
if(!GriefPrevention.instance.claimsEnabledForWorld(event.getTo().getWorld())) return;
Player player = event.getPlayer();
//FEATURE: when players get trapped in a nether portal, send them back through to the other side
if(event.getCause() == TeleportCause.NETHER_PORTAL)
{
//FEATURE: when players get trapped in a nether portal, send them back through to the other side
CheckForPortalTrapTask task = new CheckForPortalTrapTask(player, event.getFrom());
GriefPrevention.instance.getServer().getScheduler().scheduleSyncDelayedTask(GriefPrevention.instance, task, 100L);
}
//FEATURE: if the player teleporting doesn't have permission to build a nether portal and none already exists at the destination, cancel the teleportation
Location existingPortalLocation = event.getPortalTravelAgent().findPortal(event.getTo());
boolean creatingPortal = event.getPortalTravelAgent().getCanCreatePortal() && (existingPortalLocation == null);
//if creating a new portal
if(creatingPortal)
{
//and it goes to a land claim where the player doesn't have permission to build
Claim claim = this.dataStore.getClaimAt(event.getTo(), false, null);
if(claim != null && claim.allowBuild(player, Material.PORTAL) != null)
//FEATURE: if the player teleporting doesn't have permission to build a nether portal and none already exists at the destination, cancel the teleportation
Location destination = event.getTo();
if(event.useTravelAgent())
{
//cancel and inform about the reason
event.setCancelled(true);
GriefPrevention.sendMessage(player, TextMode.Err, Messages.NoBuildPortalPermission, claim.getOwnerName());
if(event.getPortalTravelAgent().getCanCreatePortal())
{
//hypothetically find where the portal would be created if it were
TravelAgent agent = event.getPortalTravelAgent();
agent.setCanCreatePortal(false);
destination = agent.findOrCreate(destination);
agent.setCanCreatePortal(true);
}
else
{
//if not able to create a portal, we don't have to do anything here
return;
}
}
//if creating a new portal
if(destination.getBlock().getType() != Material.PORTAL)
{
//check for a land claim and the player's permission that land claim
Claim claim = this.dataStore.getClaimAt(destination, false, null);
if(claim != null && claim.allowBuild(player, Material.PORTAL) != null)
{
//cancel and inform about the reason
event.setCancelled(true);
GriefPrevention.sendMessage(player, TextMode.Err, Messages.NoBuildPortalPermission, claim.getOwnerName());
}
}
}
}