From 4cde6a53ba690420305b29dae0f3b440abd4441b Mon Sep 17 00:00:00 2001
From: StevenLawson <steven@smlawson.com>
Date: Wed, 4 Sep 2013 15:17:22 -0400
Subject: [PATCH] Started work on WorldEdit protected area support.

---
 .../Listener/TFM_PlayerListener.java          |  6 +-
 .../TotalFreedomMod/TFM_ProtectedArea.java    | 62 +++++++++++++++++++
 .../TotalFreedomMod/TFM_WorldEditBridge.java  | 31 ++++++++++
 3 files changed, 98 insertions(+), 1 deletion(-)

diff --git a/src/me/StevenLawson/TotalFreedomMod/Listener/TFM_PlayerListener.java b/src/me/StevenLawson/TotalFreedomMod/Listener/TFM_PlayerListener.java
index 30a429ab..15c89da7 100644
--- a/src/me/StevenLawson/TotalFreedomMod/Listener/TFM_PlayerListener.java
+++ b/src/me/StevenLawson/TotalFreedomMod/Listener/TFM_PlayerListener.java
@@ -7,7 +7,6 @@ import java.util.List;
 import java.util.Map.Entry;
 import java.util.regex.Pattern;
 import me.StevenLawson.TotalFreedomMod.*;
-import me.StevenLawson.TotalFreedomMod.TFM_RollbackManager.EntryType;
 import me.StevenLawson.TotalFreedomMod.TFM_RollbackManager.RollbackEntry;
 import org.apache.commons.lang3.StringUtils;
 import org.bukkit.Bukkit;
@@ -263,6 +262,11 @@ public class TFM_PlayerListener implements Listener
                 break;
             }
         }
+
+        if (event.getMaterial() == Material.WOOD_AXE)
+        {
+            TFM_WorldEditBridge.getInstance().validateSelection(player);
+        }
     }
 
     @EventHandler(priority = EventPriority.HIGHEST)
diff --git a/src/me/StevenLawson/TotalFreedomMod/TFM_ProtectedArea.java b/src/me/StevenLawson/TotalFreedomMod/TFM_ProtectedArea.java
index bac1e17a..e82295b2 100644
--- a/src/me/StevenLawson/TotalFreedomMod/TFM_ProtectedArea.java
+++ b/src/me/StevenLawson/TotalFreedomMod/TFM_ProtectedArea.java
@@ -12,6 +12,7 @@ import java.util.Set;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
+import org.bukkit.util.Vector;
 
 public class TFM_ProtectedArea implements Serializable
 {
@@ -49,6 +50,67 @@ public class TFM_ProtectedArea implements Serializable
         return false;
     }
 
+    public static boolean isInProtectedArea(Vector min, Vector max, String worldName)
+    {
+        for (Map.Entry<String, TFM_ProtectedArea> protectedArea : TFM_ProtectedArea.protectedAreas.entrySet())
+        {
+            Location protectedAreaCenter = SerializableLocation.returnLocation(protectedArea.getValue().center);
+            if (protectedAreaCenter != null)
+            {
+                if (worldName.equals(protectedAreaCenter.getWorld().getName()))
+                {
+                    double sphereRadius = protectedArea.getValue().radius;
+                    Vector sphereCenter = protectedAreaCenter.toVector();
+                    if (cubeIntersectsSphere(min, max, sphereCenter, sphereRadius))
+                    {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+    //
+
+    private static boolean cubeIntersectsSphere(Vector min, Vector max, Vector sphere, double radius)
+    {
+        double d = square(radius);
+
+        if (sphere.getX() < min.getX())
+        {
+            d -= square(sphere.getX() - min.getX());
+        }
+        else if (sphere.getX() > max.getX())
+        {
+            d -= square(sphere.getX() - max.getX());
+        }
+        if (sphere.getY() < min.getY())
+        {
+            d -= square(sphere.getY() - min.getY());
+        }
+        else if (sphere.getY() > max.getY())
+        {
+            d -= square(sphere.getY() - max.getY());
+        }
+        if (sphere.getZ() < min.getZ())
+        {
+            d -= square(sphere.getZ() - min.getZ());
+        }
+        else if (sphere.getZ() > max.getZ())
+        {
+            d -= square(sphere.getZ() - max.getZ());
+        }
+
+        return d > 0;
+    }
+
+    private static double square(double v)
+    {
+        return v * v;
+    }
+
+    //
     public static void addProtectedArea(String label, Location location, double radius)
     {
         TFM_ProtectedArea.protectedAreas.put(label.toLowerCase(), new TFM_ProtectedArea(location, radius));
diff --git a/src/me/StevenLawson/TotalFreedomMod/TFM_WorldEditBridge.java b/src/me/StevenLawson/TotalFreedomMod/TFM_WorldEditBridge.java
index c0ca3ba5..da9ec659 100644
--- a/src/me/StevenLawson/TotalFreedomMod/TFM_WorldEditBridge.java
+++ b/src/me/StevenLawson/TotalFreedomMod/TFM_WorldEditBridge.java
@@ -1,8 +1,10 @@
 package me.StevenLawson.TotalFreedomMod;
 
 import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.LocalWorld;
 import com.sk89q.worldedit.bukkit.BukkitPlayer;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldedit.regions.Region;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
@@ -111,6 +113,35 @@ public class TFM_WorldEditBridge
         }
     }
 
+    public void validateSelection(Player player)
+    {
+        try
+        {
+            LocalSession session = getPlayerSession(player);
+            if (session != null)
+            {
+                LocalWorld selectionWorld = session.getSelectionWorld();
+                Region selection = session.getSelection(selectionWorld);
+                if (TFM_ProtectedArea.isInProtectedArea(
+                        getBukkitVector(selection.getMinimumPoint()),
+                        getBukkitVector(selection.getMaximumPoint()),
+                        selectionWorld.getName()))
+                {
+                    TFM_Util.bcastMsg("(DEBUG MSG: " + player.getName() + " has selected part of a protected area.");
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            TFM_Log.severe(ex);
+        }
+    }
+
+    private static org.bukkit.util.Vector getBukkitVector(com.sk89q.worldedit.Vector worldEditVector)
+    {
+        return new org.bukkit.util.Vector(worldEditVector.getX(), worldEditVector.getY(), worldEditVector.getZ());
+    }
+
     public static TFM_WorldEditBridge getInstance()
     {
         return TFM_WorldEditBridgeHolder.INSTANCE;