Added show all nearby claims by holding shift.

While holding the stick.  Requires a new permission node, to avoid any
lag from spamming this operation.

plugin.yml

@@ -156,6 +156,7 @@ permissions:
             griefprevention.deathblow: true
             griefprevention.softmute: true
             griefprevention.reload: true
+            griefprevention.visualizenearbyclaims: true
     griefprevention.restorenature:
         description: Grants permission to use /RestoreNature.
         default: op
@@ -197,4 +198,7 @@ permissions:
         default: true
     griefprevention.buysellclaimblocks:
         description: Grants access to claim block buy/sell commands.
-        default: true
+        default: true
+    griefprevention.visualizenearbyclaims:
+        description: Allows a player to see all nearby claims at once.
+        default: op

src/me/ryanhamshire/GriefPrevention/DataStore.java

@@ -1304,4 +1304,29 @@ public abstract class DataStore
 	        asyncSavePlayerData(this.playerID, this.playerData);
 	    }
 	}
+
+    //gets all the claims "near" a location
+	ArrayList<Claim> getNearbyClaims(Location location)
+    {
+        ArrayList<Claim> claims = new ArrayList<Claim>();
+        
+        Chunk lesserChunk = location.getWorld().getChunkAt(location.subtract(150, 0, 150));
+        Chunk greaterChunk = location.getWorld().getChunkAt(location.add(300, 0, 300));
+        
+        for(int chunk_x = lesserChunk.getX(); chunk_x <= greaterChunk.getX(); chunk_x++)
+        {
+            for(int chunk_z = lesserChunk.getZ(); chunk_z <= greaterChunk.getZ(); chunk_z++)
+            {
+                Chunk chunk = location.getWorld().getChunkAt(chunk_x, chunk_z);
+                String chunkID = this.getChunkString(chunk.getBlock(0,  0,  0).getLocation());
+                ArrayList<Claim> claimsInChunk = this.chunksToClaimsMap.get(chunkID);
+                if(claimsInChunk != null)
+                {
+                    claims.addAll(claimsInChunk);
+                }
+            }
+        }
+        
+        return claims;        
+    }
 }

src/me/ryanhamshire/GriefPrevention/PlayerEventHandler.java

@@ -1361,7 +1361,20 @@ class PlayerEventHandler implements Listener
 			//if he's investigating a claim
 			else if(materialInHand == GriefPrevention.instance.config_claims_investigationTool)
 			{
-		        //FEATURE: shovel and stick can be used from a distance away
+		        //if holding shift (sneaking), show all claims in area
+			    if(player.isSneaking() && player.hasPermission("griefprevention.visualizenearbyclaims"))
+			    {
+			        //find nearby claims
+			        ArrayList<Claim> claims = this.dataStore.getNearbyClaims(player.getLocation());
+			        
+			        //visualize boundaries
+                    Visualization visualization = Visualization.fromClaims(claims, (int)player.getEyeHeight(), VisualizationType.Claim, player.getLocation());
+                    Visualization.Apply(player, visualization);
+                    
+                    return;
+			    }
+			    
+			    //FEATURE: shovel and stick can be used from a distance away
 		        if(action == Action.RIGHT_CLICK_AIR)
 		        {
 		            //try to find a far away non-air block along line of sight
@@ -1400,7 +1413,7 @@ class PlayerEventHandler implements Listener
 					GriefPrevention.sendMessage(player, TextMode.Info, Messages.BlockClaimed, claim.getOwnerName());
 					
 					//visualize boundary
-					Visualization visualization = Visualization.FromClaim(claim, clickedBlock.getY(), VisualizationType.Claim, player.getLocation());
+					Visualization visualization = Visualization.FromClaim(claim, (int)player.getEyeHeight(), VisualizationType.Claim, player.getLocation());
 					Visualization.Apply(player, visualization);
 					
 					//if can resize this claim, tell about the boundaries

src/me/ryanhamshire/GriefPrevention/Visualization.java

@@ -46,7 +46,7 @@ public class Visualization
 		}
 		
 		//if he's online, create a task to send him the visualization in about half a second
-		if(player.isOnline() && visualization.elements.get(0).location.getWorld().equals(player.getWorld()))
+		if(player.isOnline() && visualization.elements.size() > 0 && visualization.elements.get(0).location.getWorld().equals(player.getWorld()))
 		{
 			GriefPrevention.instance.getServer().getScheduler().scheduleSyncDelayedTask(GriefPrevention.instance, new VisualizationApplicationTask(player, playerData, visualization), 1L);
 		}
@@ -183,10 +183,10 @@ public class Visualization
 		this.elements.add(new VisualizationElement(getVisibleLocation(world, smallx, height, bigz - 1, waterIsTransparent), accentMaterial, (byte)0));
 		
 		//locality
-		int minx = locality.getBlockX() - 100;
+		int minx = locality.getBlockX() - 200;
-		int minz = locality.getBlockZ() - 100;
+		int minz = locality.getBlockZ() - 200;
-		int maxx = locality.getBlockX() + 100;
+		int maxx = locality.getBlockX() + 200;
-		int maxz = locality.getBlockZ() + 100;
+		int maxz = locality.getBlockZ() + 200;
 		
 		//top line		
 		for(int x = smallx + 10; x < bigx - 10; x += 10)
@@ -249,4 +249,16 @@ public class Visualization
 					(waterIsTransparent && block.getType() == Material.STATIONARY_WATER) || 
 					block.getType().isTransparent()));
 	}
+
+    public static Visualization fromClaims(ArrayList<Claim> claims, int height, VisualizationType type, Location locality)
+    {
+        Visualization visualization = new Visualization();
+        
+        for(Claim claim : claims)
+        {
+            visualization.addClaimElements(claim, height, type, locality);
+        }
+        
+        return visualization;
+    }
 }