package net.aufdemrand.denizen.events.core;
import net.aufdemrand.denizen.events.EventManager;
import net.aufdemrand.denizen.events.SmartEvent;
import net.aufdemrand.denizen.objects.dChunk;
import net.aufdemrand.denizen.objects.dObject;
import net.aufdemrand.denizen.objects.dWorld;
import net.aufdemrand.denizen.utilities.DenizenAPI;
import net.aufdemrand.denizen.utilities.debugging.dB;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.world.ChunkUnloadEvent;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ChunkUnloadSmartEvent implements SmartEvent, Listener {
///////////////////
// SMARTEVENT METHODS
///////////////
@Override
public boolean shouldInitialize(Set<String> events) {
// Loop through event names from loaded world script events
for (String event : events) {
// Use a regex pattern to narrow down matches
Matcher m = Pattern.compile("on chunk unloads( in (w@)?\\w+)?", Pattern.CASE_INSENSITIVE)
.matcher(event);
if (m.matches()) {
// Event names are simple enough to just go ahead and pass on any match.
return true;
}
}
// No matches at all, just fail.
return false;
}
@Override
public void _initialize() {
DenizenAPI.getCurrentInstance().getServer().getPluginManager()
.registerEvents(this, DenizenAPI.getCurrentInstance());
dB.log("Loaded Chunk Unload SmartEvent.");
}
@Override
public void breakDown() {
ChunkUnloadEvent.getHandlerList().unregister(this);
}
//////////////
// MECHANICS
///////////
// <--[event]
// @Events
// chunk unloads (in <world>)
//
// @Warning This event will fire *extremely* rapidly and often!
//
// @Triggers when a new chunk is loaded
// @Context
// <context.chunk> returns the loading chunk.
//
// @Determine
// "CANCELLED" to prevent the chunk from being unloaded.
//
// -->
@EventHandler
public void onChunkLoad(ChunkUnloadEvent event) {
Map<String, dObject> context = new HashMap<String, dObject>();
dWorld world = new dWorld(event.getWorld());
context.put("chunk", new dChunk(event.getChunk()));
String determination = EventManager.doEvents(Arrays.asList("chunk unloads",
"chunk unloads " + world.identify()), null, null, context, true);
if (determination.equalsIgnoreCase("cancelled"))
event.setCancelled(true);
}
}