From 5db20e96252dadfa96f2f41903542594f636d8c9 Mon Sep 17 00:00:00 2001
From: Olof Larsson <olof@sylt.nu>
Date: Sun, 27 Nov 2011 22:47:40 +0100
Subject: [PATCH] Added radius claim

---
 src/com/massivecraft/factions/FLocation.java  | 47 ++++++++++++++++++-
 .../massivecraft/factions/cmd/CmdClaim.java   | 23 ++++++++-
 2 files changed, 68 insertions(+), 2 deletions(-)

diff --git a/src/com/massivecraft/factions/FLocation.java b/src/com/massivecraft/factions/FLocation.java
index 48a2fe64..856d0e03 100644
--- a/src/com/massivecraft/factions/FLocation.java
+++ b/src/com/massivecraft/factions/FLocation.java
@@ -1,8 +1,12 @@
 package com.massivecraft.factions;
 
 import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.Set;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
 
@@ -64,6 +68,11 @@ public class FLocation
 	{
 		return worldName;
 	}
+	
+	public World getWorld()
+	{
+		return Bukkit.getWorld(worldName);
+	}
 
 	public void setWorldName(String worldName)
 	{
@@ -104,10 +113,46 @@ public class FLocation
 	// Misc Geometry
 	//----------------------------------------------//
 	
-	public FLocation getRelative(int dx, int dz) {
+	public FLocation getRelative(int dx, int dz)
+	{
 		return new FLocation(this.worldName, this.x + dx, this.z + dz);
 	}
 	
+	public double getDistanceTo(FLocation that)
+	{
+		double dx = that.x - this.x;
+		double dz = that.z - this.z;
+		return Math.sqrt(dx*dx+dz*dz); 
+	}
+	
+	//----------------------------------------------//
+	// Some Geometry
+	//----------------------------------------------//
+	public Set<FLocation> getCircle(double radius)
+	{
+		Set<FLocation> ret = new LinkedHashSet<FLocation>();
+		if (radius <= 0) return ret;
+		
+		int xfrom = (int) Math.floor(this.x - radius);
+		int xto =   (int) Math.ceil(this.x + radius);
+		int zfrom = (int) Math.floor(this.z - radius);
+		int zto =   (int) Math.ceil(this.z + radius);
+		
+		for (int x=xfrom; x<=xto; x++)
+		{
+			for (int z=zfrom; z<=zto; z++)
+			{
+				FLocation potential = new FLocation(this.worldName, x, z);
+				if (this.getDistanceTo(potential) <= radius)
+				{
+					ret.add(potential);
+				}
+			}	
+		}
+		
+		return ret;
+	}
+	
 	public static HashSet<FLocation> getArea(FLocation from, FLocation to)
 	{
 		HashSet<FLocation> ret = new HashSet<FLocation>();
diff --git a/src/com/massivecraft/factions/cmd/CmdClaim.java b/src/com/massivecraft/factions/cmd/CmdClaim.java
index 5f97105d..f4fd63d0 100644
--- a/src/com/massivecraft/factions/cmd/CmdClaim.java
+++ b/src/com/massivecraft/factions/cmd/CmdClaim.java
@@ -1,5 +1,10 @@
 package com.massivecraft.factions.cmd;
 
+import java.util.Set;
+
+import org.bukkit.Location;
+
+import com.massivecraft.factions.FLocation;
 import com.massivecraft.factions.Faction;
 import com.massivecraft.factions.struct.Permission;
 
@@ -13,6 +18,7 @@ public class CmdClaim extends FCommand
 		
 		//this.requiredArgs.add("");
 		this.optionalArgs.put("faction", "your");
+		this.optionalArgs.put("radius", "1");
 		
 		this.permission = Permission.CLAIM.node;
 		this.disableOnLock = true;
@@ -28,8 +34,23 @@ public class CmdClaim extends FCommand
 	@Override
 	public void perform()
 	{
+		// Read and validate input
 		Faction forFaction = this.argAsFaction(0, myFaction);
-		fme.attemptClaim(forFaction, me.getLocation(), true);
+		double radius = this.argAsDouble(1, 1d);
+		radius -= 0.5;
+		if (radius <= 0)
+		{
+			msg("<b>That radius is to small.");
+			return;
+		}
+		
+		// Get the FLocations
+		Set<FLocation> flocs = new FLocation(me).getCircle(radius);
+		p.log(flocs);
+		for (FLocation floc : flocs)
+		{
+			fme.attemptClaim(forFaction, new Location(floc.getWorld(), floc.getX()*16, 1, floc.getZ()*16), true);
+		}
 	}
 	
 }