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	Started work on multi-plot swapping
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		@@ -20,12 +20,18 @@
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////////////////////////////////////////////////////////////////////////////////////////////////////
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package com.intellectualcrafters.plot.commands;
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import java.util.ArrayList;
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import com.intellectualcrafters.plot.PlotSquared;
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import com.intellectualcrafters.plot.config.C;
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import com.intellectualcrafters.plot.object.Location;
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import com.intellectualcrafters.plot.object.Plot;
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import com.intellectualcrafters.plot.object.PlotCluster;
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import com.intellectualcrafters.plot.object.PlotClusterId;
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import com.intellectualcrafters.plot.object.PlotId;
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import com.intellectualcrafters.plot.object.PlotPlayer;
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import com.intellectualcrafters.plot.util.ChunkManager;
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import com.intellectualcrafters.plot.util.ClusterManager;
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import com.intellectualcrafters.plot.util.MainUtil;
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import com.intellectualcrafters.plot.util.Permissions;
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import com.intellectualcrafters.plot.util.bukkit.UUIDHandler;
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@@ -42,6 +48,7 @@ public class Swap extends SubCommand {
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    @Override
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    public boolean execute(final PlotPlayer plr, final String... args) {
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        MainUtil.sendMessage(plr, "&cThis command has not been optimized for large selections yet. Please bug me if this becomes an issue.");
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        if (args.length < 1) {
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            MainUtil.sendMessage(plr, C.NEED_PLOT_ID);
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            MainUtil.sendMessage(plr, C.SWAP_SYNTAX);
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@@ -56,38 +63,69 @@ public class Swap extends SubCommand {
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            MainUtil.sendMessage(plr, C.NO_PLOT_PERMS);
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            return false;
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        }
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        if ((plot != null) && plot.settings.isMerged()) {
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            MainUtil.sendMessage(plr, C.UNLINK_REQUIRED);
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        Plot bot1 = MainUtil.getBottomPlot(plot);
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        Plot top1 = MainUtil.getTopPlot(plot);
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        PlotId id2 = PlotId.fromString(args[0]);
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        if (id2 == null) {
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            MainUtil.sendMessage(plr, C.NOT_VALID_PLOT_ID);
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            MainUtil.sendMessage(plr, C.SWAP_SYNTAX);
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            return false;
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        }
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        final String id = args[0];
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        PlotId plotid;
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        final String world = loc.getWorld();
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        try {
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            plotid = new PlotId(Integer.parseInt(id.split(";")[0]), Integer.parseInt(id.split(";")[1]));
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            final Plot plot2 = PlotSquared.getPlots(world).get(plotid);
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            if (((plot2 == null) || !plot2.hasOwner() || !(plot2.owner.equals(plr.getUUID()))) && !Permissions.hasPermission(plr, "plots.admin.command.swap")) {
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                MainUtil.sendMessage(plr, C.NO_PERM_MERGE, plotid.toString());
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                return false;
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            }
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        } catch (final Exception e) {
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            MainUtil.sendMessage(plr, C.NOT_VALID_PLOT_ID);
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        Plot plot2 = MainUtil.getPlot(world, id2);
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        PlotId id3 = new PlotId(id2.x + top1.id.x - bot1.id.x, id2.y + top1.id.y - bot1.id.y);
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        Plot plot3 = MainUtil.getPlot(world, id3);
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        // Getting secon selection
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        Plot bot2 = MainUtil.getBottomPlot(plot2);
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        Plot top2 = MainUtil.getTopPlot(plot3);
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        // cancel swap if intersection
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        PlotCluster cluster1 = new PlotCluster(world, bot1.id, top1.id, null);
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        PlotClusterId cluster2id = new PlotClusterId(bot2.id, top2.id);
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        if (ClusterManager.intersects(cluster1, cluster2id)) {
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            MainUtil.sendMessage(plr, C.SWAP_OVERLAP);
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            return false;
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        }
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        // Check dimensions
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        if (top1.id.x - bot1.id.x != top2.id.x - bot2.id.x || top1.id.y - bot1.id.y != top2.id.y - bot2.id.y ) {
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            MainUtil.sendMessage(plr, C.SWAP_DIMENSIONS, "1");
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            MainUtil.sendMessage(plr, C.SWAP_SYNTAX);
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            return false;
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        }
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        assert plot != null;
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        if (plot.id.equals(plotid)) {
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            MainUtil.sendMessage(plr, C.NOT_VALID_PLOT_ID);
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            MainUtil.sendMessage(plr, C.SWAP_SYNTAX);
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            return false;
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        // Getting selections as ids
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        final ArrayList<PlotId> selection1 = MainUtil.getPlotSelectionIds(bot1.id, top1.id);
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        final ArrayList<PlotId> selection2 = MainUtil.getPlotSelectionIds(bot2.id, top2.id);
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        // Getting selections as location coordinates
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        Location pos1 = MainUtil.getPlotBottomLocAbs(world, bot1.id).add(1, 0, 1);
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        Location pos2 = MainUtil.getPlotTopLocAbs(world, top1.id);
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        Location pos3 = MainUtil.getPlotBottomLocAbs(world, bot2.id).add(1, 0, 1);
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        Location pos4 = MainUtil.getPlotTopLocAbs(world, top2.id);
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        // Swapping the blocks, states and entites
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        ChunkManager.manager.swap(world, pos1, pos2, pos3, pos4);
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        // Swapping the plot data
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        for (int i = 0; i < selection1.size(); i++) {
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            final boolean last = i == selection1.size() - 1; 
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            PlotId swaper = selection1.get(i);
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            PlotId swapee = selection2.get(i);
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            MainUtil.swapData(world, swaper, swapee, new Runnable() {
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                @Override
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                public void run() {
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                    if (last) {
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                        MainUtil.sendMessage(plr, C.SWAP_SUCCESS);
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                        MainUtil.update(plr.getLocation());
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                    }
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                }
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            });
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        }
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        MainUtil.swap(world, plot.id, plotid, new Runnable() {
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            @Override
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            public void run() {
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                // FIXME not implemented yet
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            }
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        });
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        MainUtil.update(plr.getLocation());
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        MainUtil.sendMessage(plr, C.STARTED_SWAP);
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        return true;
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    }
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}
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@@ -95,8 +95,11 @@ public enum C {
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    /*
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     * Swap
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     */
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    SWAP_OVERLAP("$2The proposed areas are not allowed to overlap"),
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    SWAP_DIMENSIONS("$2The proposed areas must have comparable dimensions"),
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    SWAP_SYNTAX("$2/plots swap <plot id>"),
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    SWAP_SUCCESS("$4Successfully swapped plots"),
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    STARTED_SWAP("$2Started plot swap task. You will be notified when it finishes"),
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    /*
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     * Comment
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     */
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