Removed Bedteleport check, workaround for bogusitems pickup check

(bukkit has a nasty bug here), adapted moving and speedhack check for
new system.

plugin.yml

@@ -3,7 +3,7 @@ name: NoCheat
 author: Evenprime
 
 main: cc.co.evenprime.bukkit.nocheat.NoCheat
-version: 1.05a
+version: 1.06
 
 softdepend: [ Permissions, CraftIRC ]
 

src/cc/co/evenprime/bukkit/nocheat/NoCheat.java

@@ -17,7 +17,6 @@ import org.bukkit.plugin.java.JavaPlugin;
 
 import cc.co.evenprime.bukkit.nocheat.actions.CustomAction;
 import cc.co.evenprime.bukkit.nocheat.checks.AirbuildCheck;
-import cc.co.evenprime.bukkit.nocheat.checks.BedteleportCheck;
 import cc.co.evenprime.bukkit.nocheat.checks.BogusitemsCheck;
 import cc.co.evenprime.bukkit.nocheat.checks.Check;
 import cc.co.evenprime.bukkit.nocheat.checks.MovingCheck;
@@ -41,7 +40,6 @@ import org.bukkit.plugin.Plugin;
 public class NoCheat extends JavaPlugin implements CommandSender {
 
 	private MovingCheck movingCheck;
-	private BedteleportCheck bedteleportCheck;
 	private SpeedhackCheck speedhackCheck;
 	private AirbuildCheck airbuildCheck;
 	private BogusitemsCheck bogusitemsCheck;
@@ -136,13 +134,12 @@ public class NoCheat extends JavaPlugin implements CommandSender {
 		setupConfig();
 
 		movingCheck = new MovingCheck(this, config);
-		bedteleportCheck = new BedteleportCheck(this, config);
 		speedhackCheck = new SpeedhackCheck(this, config);
 		airbuildCheck = new AirbuildCheck(this, config);
 		bogusitemsCheck = new BogusitemsCheck(this, config);
 
 		// just for convenience
-		checks = new Check[] { movingCheck, bedteleportCheck, speedhackCheck, airbuildCheck, bogusitemsCheck };
+		checks = new Check[] { movingCheck, speedhackCheck, airbuildCheck, bogusitemsCheck };
 
 		if(!allowFlightSet && movingCheck.isActive()) {
 			Logger.getLogger("Minecraft").warning( "[NoCheat] you have set \"allow-flight=false\" in your server.properties file. That builtin anti-flying-mechanism will likely conflict with this plugin. Please consider deactivating it by setting it to \"true\"");

src/cc/co/evenprime/bukkit/nocheat/checks/BedteleportCheck.java

@@ -1,56 +0,0 @@
-package cc.co.evenprime.bukkit.nocheat.checks;
-
-import org.bukkit.Bukkit;
-import org.bukkit.event.Event;
-import org.bukkit.event.Event.Priority;
-import org.bukkit.event.player.PlayerMoveEvent;
-import org.bukkit.plugin.PluginManager;
-
-import cc.co.evenprime.bukkit.nocheat.ConfigurationException;
-import cc.co.evenprime.bukkit.nocheat.NoCheat;
-import cc.co.evenprime.bukkit.nocheat.config.NoCheatConfiguration;
-import cc.co.evenprime.bukkit.nocheat.data.PermissionData;
-import cc.co.evenprime.bukkit.nocheat.listeners.BedteleportPlayerListener;
-
-/**
- * 
- * @author Evenprime
- *
- */
-
-public class BedteleportCheck extends Check {
-
-	public BedteleportCheck(NoCheat plugin, NoCheatConfiguration config) {
-		super(plugin, "bedteleport",  PermissionData.PERMISSION_BEDTELEPORT, config);
-	}
-
-	public void check(PlayerMoveEvent event) {
-
-		// Should we check at all?
-		if(skipCheck(event.getPlayer())) 
-			return;
-
-		if(event.getPlayer().isSleeping())
-			event.setCancelled(true);
-	}
-	
-	@Override
-	public void configure(NoCheatConfiguration config) {
-		
-		try {
-			setActive(config.getBooleanValue("active.bedteleport"));
-		} catch (ConfigurationException e) {
-			setActive(false);
-			e.printStackTrace();
-		}
-	}
-	
-	@Override
-	protected void registerListeners() {
-		PluginManager pm = Bukkit.getServer().getPluginManager();
-
-		// Register listeners for bedteleport check
-		pm.registerEvent(Event.Type.PLAYER_TELEPORT, new BedteleportPlayerListener(this), Priority.Lowest, plugin);
-
-	}
-}

src/cc/co/evenprime/bukkit/nocheat/checks/BogusitemsCheck.java

@@ -36,7 +36,7 @@ public class BogusitemsCheck extends Check {
 		if(i != null) {
 			ItemStack s = i.getItemStack();
 			if(s != null) {
-				if(s.getAmount() <= 0) {// buggy item
+				if(s.getAmount() < 0) {// buggy item
 					event.getItem().remove();
 					event.setCancelled(true);
 					plugin.log(Level.WARNING, event.getPlayer().getName() + " tried to pick up an invalid item. Item was removed.");

src/cc/co/evenprime/bukkit/nocheat/checks/MovingCheck.java

@@ -384,7 +384,7 @@ public class MovingCheck extends Check {
 	private boolean shouldBeIgnored(final Player player, final MovingData data, final Location from, final Location to) {
 
 		// First the simple yes/no checks
-		if(/*data.respawned ||*/ data.insideVehicle || player.isInsideVehicle()) {
+		if(data.insideVehicle || player.isInsideVehicle()) {
 			return true;
 		}
 
@@ -518,8 +518,26 @@ public class MovingCheck extends Check {
 						if(data.highestLogLevel.intValue() < ((LogAction)a).level.intValue()) data.highestLogLevel = ((LogAction)a).level;
 					}
 					else if(!cancelled && a instanceof CancelAction) {
-						resetPlayer(event);
+						// Make a modified copy of the setBackPoint to prevent other plugins from accidentally modifying it
-						cancelled = true;
+						// and keep the current pitch and yaw (setbacks "feel" better that way). Plus try to adapt the Y-coord
+						// to place the player close to ground
+
+						double y = data.setBackPoint.getY();
+
+						// search for the first solid block up to 5 blocks below the setbackpoint and teleport the player there
+						for(int i = 0; i < 20; i++) {
+							if(playerIsOnGround(data.setBackPoint, -0.5*i) != MovingData.NONSOLID) {
+								y -= 0.5*i;
+								break;
+							}
+						}	
+
+						// Remember the location we send the player to, to identify teleports that were started by us
+						data.teleportTo = new Location(data.setBackPoint.getWorld(), data.setBackPoint.getX(), y, data.setBackPoint.getZ(), event.getTo().getYaw(), event.getTo().getPitch());
+
+						event.setTo(data.teleportTo);
+
+						cancelled = true; // just prevent us from treating more than one "cancel" action, which would make no sense
 					}
 					else if(a instanceof CustomAction)
 						plugin.handleCustomAction((CustomAction)a, player);
@@ -546,42 +564,6 @@ public class MovingCheck extends Check {
 		return -1;
 	}
 
-	/** 
-	 * Return the player to the stored setBackPoint location
-	 * @param event
-	 */
-	private void resetPlayer(PlayerMoveEvent event) {
-
-		MovingData data = MovingData.get(event.getPlayer());
-
-		// Make a modified copy of the setBackPoint to prevent other plugins from accidentally modifying it
-		// and keep the current pitch and yaw (setbacks "feel" better that way).
-
-		double y = data.setBackPoint.getY();
-		// search for the first solid block up to 5 blocks below the setbackpoint and teleport the player there
-		for(int i = 0; i < 20; i++) {
-			if(playerIsOnGround(data.setBackPoint, -0.5*i) != MovingData.NONSOLID) {
-				y -= 0.5*i;
-				break;
-			}
-		}	
-
-		Location t = new Location(data.setBackPoint.getWorld(), data.setBackPoint.getX(), y, data.setBackPoint.getZ(), event.getTo().getYaw(), event.getTo().getPitch());
-
-		data.teleportTo = t;
-		// Only reset player and cancel event if teleport is successful
-		if(event.getPlayer().teleport(t)) {
-
-			// Put the player back to the chosen location
-			event.setFrom(t);
-			event.setTo(t);
-
-			event.setCancelled(true);
-			
-			data.teleportTo = null;
-		}
-	}
-
 
 	/**
 	 * Check if certain coordinates are considered "on ground"

src/cc/co/evenprime/bukkit/nocheat/checks/SpeedhackCheck.java

@@ -63,8 +63,8 @@ public class SpeedhackCheck extends Check {
 		// Get the player-specific data
 		SpeedhackData data = SpeedhackData.get(player);
 
-		// Count the event
+		// Count the event (twice, to interpolate from 0.5 seconds to 1 second
-		data.eventsSinceLastCheck++;
+		data.eventsSinceLastCheck += 2;
 
 		// Get the ticks of the server
 		int ticks = plugin.getServerTicks();
@@ -82,15 +82,12 @@ public class SpeedhackCheck extends Check {
 				resetData(data, event.getFrom());
 			}
 			else {
-				final int low  = (limits[0]+1) / 2;
-				final int med  = (limits[1]+1) / 2;
-				final int high = (limits[2]+1) / 2;
 
 				int level = -1;
 
-				if(data.eventsSinceLastCheck > high) level = 2;
+				if(data.eventsSinceLastCheck > limits[2]) level = 2;
-				else if(data.eventsSinceLastCheck > med)  level = 1;
+				else if(data.eventsSinceLastCheck > limits[1])  level = 1;
-				else if(data.eventsSinceLastCheck > low)  level = 0;
+				else if(data.eventsSinceLastCheck > limits[0])  level = 0;
 				else {
 					resetData(data, event.getFrom());
 				}
@@ -154,12 +151,7 @@ public class SpeedhackCheck extends Check {
 		if(data.setBackPoint == null) data.setBackPoint = event.getFrom();
 
 		// If we have stored a location for the player, we put him back there
-
+		event.setTo(data.setBackPoint);
-		if(event.getPlayer().teleport(data.setBackPoint)) {
-			event.setFrom(data.setBackPoint);
-			event.setTo(data.setBackPoint);
-			event.setCancelled(true);
-		}
 	}
 
 	@Override

src/cc/co/evenprime/bukkit/nocheat/config/NoCheatConfiguration.java

@@ -102,8 +102,6 @@ public class NoCheatConfiguration {
 					SimpleYaml.getBoolean("active.moving", true, yamlContent)));
 			activeNode.add(new BooleanOption("airbuild",
 					SimpleYaml.getBoolean("active.airbuild", false, yamlContent)));
-			activeNode.add(new BooleanOption("bedteleport", 
-					SimpleYaml.getBoolean("active.bedteleport", true, yamlContent)));
 			activeNode.add(new BooleanOption("bogusitems", 
 					SimpleYaml.getBoolean("active.bogusitems", false, yamlContent)));
 		}
@@ -223,15 +221,6 @@ public class NoCheatConfiguration {
 
 		}
 
-		/*** BEDTELEPORT section ***/
-		{
-			ParentOption bedteleportNode = new ParentOption("bedteleport", false);
-			root.add(bedteleportNode);
-
-			bedteleportNode.add(new BooleanOption("checkops", 
-					SimpleYaml.getBoolean("bedteleport.checkops", false, yamlContent)));
-		}
-
 		/*** BOGUSITEMS section ***/
 		{
 			ParentOption bogusitemsNode = new ParentOption("bogusitems", false);

src/cc/co/evenprime/bukkit/nocheat/listeners/BedteleportPlayerListener.java

@@ -1,26 +0,0 @@
-package cc.co.evenprime.bukkit.nocheat.listeners;
-
-import org.bukkit.event.player.PlayerListener;
-import org.bukkit.event.player.PlayerTeleportEvent;
-
-import cc.co.evenprime.bukkit.nocheat.checks.BedteleportCheck;
-
-/**
- *
- * @author Evenprime
- *
- */
-public class BedteleportPlayerListener extends PlayerListener {
-
-	private BedteleportCheck check;
-
-	public BedteleportPlayerListener(BedteleportCheck check) {
-		this.check = check;
-	}
-
-	@Override
-	public void onPlayerTeleport(PlayerTeleportEvent event) {
-
-		if(!event.isCancelled()) check.check(event);
-	}
-}