Fixed multi-world stargates causing an NPE

Code cleanup
Added a few more errors when a gate can't be loaded
Hopefully fixed path issue on some Linux installs

README

@@ -82,6 +82,12 @@ gate-folder - The folder containing your .gate files
 =============
   Changes
 =============
+[Version 0.22]
+ - Fixed multi-world stargates causing an NPE
+[Version 0.21]
+ - Code cleanup
+ - Added a few more errors when a gate can't be loaded
+ - Hopefully fixed path issue on some Linux installs
 [Version 0.20]
  - Fixed the bug SIGN_CHANGE exception when using plugins such as Lockette
 [Version 0.19]

src/net/TheDgtl/Stargate/Portal.java

@@ -791,7 +791,7 @@ public class Portal {
                 }
                 Stargate.log.info("[Stargate] {" + world.getName() + "} Loaded " + portalCount + " stargates with " + OpenCount + " set as always-on");
             } catch (Exception e) {
-                Stargate.log.log(Level.SEVERE, "Exception while reading stargates from " + location + ": " + l);
+                Stargate.log.log(Level.SEVERE, "Exception while reading stargates from " + db.getName() + ": " + l);
                 e.printStackTrace();
             }
         } else {

src/net/TheDgtl/Stargate/Stargate.java

@@ -449,13 +449,18 @@ public class Stargate extends JavaPlugin {
     private class wListener extends WorldListener {
     	@Override
     	public void onWorldLoaded(WorldEvent event) {
-    		Portal.loadAllGates(event.getWorld());
+    		World w = event.getWorld();
+    		// We have to make sure the world is actually loaded. This gets called twice for some reason.
+    		if (w.getBlockAt(w.getSpawnLocation()).getWorld() != null) {
+    			Portal.loadAllGates(w);
+    		}
     	}
     }
     
     private class SGThread implements Runnable {
 	    public void run() {
 	    	long time = System.currentTimeMillis() / 1000;
+	    	// Close open portals
 	    	for (Iterator<Portal> iter = Stargate.openList.iterator(); iter.hasNext();) {
 	    		Portal p = iter.next();
 	    		if (time > p.getOpenTime() + Stargate.openLimit) {
@@ -463,6 +468,7 @@ public class Stargate extends JavaPlugin {
 	    			iter.remove();
 	    		}
 	    	}
+	    	// Deactivate active portals
 	    	for (Iterator<Portal> iter = Stargate.activeList.iterator(); iter.hasNext();) {
 	    		Portal p = iter.next();
 	    		if (time > p.getOpenTime() + Stargate.activeLimit) {

src/plugin.yml

@@ -1,6 +1,6 @@
 name: Stargate
 main: net.TheDgtl.Stargate.Stargate
-version: 0.20
+version: 0.22
 description: Stargate mod for Bukkit
 author: Drakia
 website: http://www.thedgtl.net