Switch to Gradle. Use git log --follow for history.

This converts the project into a multi-module Gradle build.

By default, Git does not show history past a rename, so use git log
--follow to see further history.

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java

@@ -0,0 +1,165 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.bukkit;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.entity.Entity;
+import com.sk89q.worldedit.util.Location;
+import com.sk89q.worldedit.world.World;
+import org.bukkit.Bukkit;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Adapts between Bukkit and WorldEdit equivalent objects.
+ */
+final class BukkitAdapter {
+
+    private BukkitAdapter() {
+    }
+
+    /**
+     * Convert any WorldEdit world into an equivalent wrapped Bukkit world.
+     *
+     * <p>If a matching world cannot be found, a {@link RuntimeException}
+     * will be thrown.</p>
+     *
+     * @param world the world
+     * @return a wrapped Bukkit world
+     */
+    public static BukkitWorld asBukkitWorld(World world) {
+        if (world instanceof BukkitWorld) {
+            return (BukkitWorld) world;
+        } else {
+            BukkitWorld bukkitWorld = WorldEditPlugin.getInstance().getInternalPlatform().matchWorld(world);
+            if (bukkitWorld == null) {
+                throw new RuntimeException("World '" + world.getName() + "' has no matching version in Bukkit");
+            }
+            return bukkitWorld;
+        }
+    }
+
+    /**
+     * Create a WorldEdit world from a Bukkit world.
+     *
+     * @param world the Bukkit world
+     * @return a WorldEdit world
+     */
+    public static World adapt(org.bukkit.World world) {
+        checkNotNull(world);
+        return new BukkitWorld(world);
+    }
+
+    /**
+     * Create a Bukkit world from a WorldEdit world.
+     *
+     * @param world the WorldEdit world
+     * @return a Bukkit world
+     */
+    public static org.bukkit.World adapt(World world) {
+        checkNotNull(world);
+        if (world instanceof BukkitWorld) {
+            return ((BukkitWorld) world).getWorld();
+        } else {
+            org.bukkit.World match = Bukkit.getServer().getWorld(world.getName());
+            if (match != null) {
+                return match;
+            } else {
+                throw new IllegalArgumentException("Can't find a Bukkit world for " + world);
+            }
+        }
+    }
+
+    /**
+     * Create a WorldEdit location from a Bukkit location.
+     *
+     * @param location the Bukkit location
+     * @return a WorldEdit location
+     */
+    public static Location adapt(org.bukkit.Location location) {
+        checkNotNull(location);
+        Vector position = BukkitUtil.toVector(location);
+        return new com.sk89q.worldedit.util.Location(
+                adapt(location.getWorld()),
+                position,
+                location.getYaw(),
+                location.getPitch());
+    }
+
+    /**
+     * Create a Bukkit location from a WorldEdit location.
+     *
+     * @param location the WorldEdit location
+     * @return a Bukkit location
+     */
+    public static org.bukkit.Location adapt(Location location) {
+        checkNotNull(location);
+        Vector position = location.toVector();
+        return new org.bukkit.Location(
+                adapt((World) location.getExtent()),
+                position.getX(), position.getY(), position.getZ(),
+                location.getYaw(),
+                location.getPitch());
+    }
+
+    /**
+     * Create a Bukkit location from a WorldEdit position with a Bukkit world.
+     *
+     * @param world the Bukkit world
+     * @param position the WorldEdit position
+     * @return a Bukkit location
+     */
+    public static org.bukkit.Location adapt(org.bukkit.World world, Vector position) {
+        checkNotNull(world);
+        checkNotNull(position);
+        return new org.bukkit.Location(
+                world,
+                position.getX(), position.getY(), position.getZ());
+    }
+
+    /**
+     * Create a Bukkit location from a WorldEdit location with a Bukkit world.
+     *
+     * @param world the Bukkit world
+     * @param location the WorldEdit location
+     * @return a Bukkit location
+     */
+    public static org.bukkit.Location adapt(org.bukkit.World world, Location location) {
+        checkNotNull(world);
+        checkNotNull(location);
+        return new org.bukkit.Location(
+                world,
+                location.getX(), location.getY(), location.getZ(),
+                location.getYaw(),
+                location.getPitch());
+    }
+
+    /**
+     * Create a WorldEdit entity from a Bukkit entity.
+     *
+     * @param entity the Bukkit entity
+     * @return a WorldEdit entity
+     */
+    public static Entity adapt(org.bukkit.entity.Entity entity) {
+        checkNotNull(entity);
+        return new BukkitEntity(entity);
+    }
+
+}