Merge pull request #531 from EngineHub/wiz/misc-fixes

* Make a few more selection commands usable from console.
* Use persistent leaves for garden patch generator (/pumpkins)
* Make lrbuild tool use history.
* Add -n flag to //paste to select without pasting.

worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java

@@ -140,6 +140,8 @@ public void paste(Actor actor, World world, LocalSession session, EditSession ed
                           boolean atOrigin,
                       @Switch(name = 's', desc = "Select the region after pasting")
                           boolean selectPasted,
+                      @Switch(name = 'n', desc = "No paste, select only. (Implies -s)")
+                          boolean onlySelect,
                       @Switch(name = 'e', desc = "Paste entities if available")
                           boolean pasteEntities,
                       @Switch(name = 'b', desc = "Paste biomes if available")
@@ -151,19 +153,23 @@ public void paste(Actor actor, World world, LocalSession session, EditSession ed
         ClipboardHolder holder = session.getClipboard();
         Clipboard clipboard = holder.getClipboard();
         Region region = clipboard.getRegion();
+        List<String> messages = Lists.newArrayList();
 
         BlockVector3 to = atOrigin ? clipboard.getOrigin() : session.getPlacementPosition(actor);
-        Operation operation = holder
-                .createPaste(editSession)
-                .to(to)
-                .ignoreAirBlocks(ignoreAirBlocks)
-                .copyBiomes(pasteBiomes)
-                .copyEntities(pasteEntities)
-                .maskSource(sourceMask)
-                .build();
-        Operations.completeLegacy(operation);
-
-        if (selectPasted) {
+        if (!onlySelect) {
+            Operation operation = holder
+                    .createPaste(editSession)
+                    .to(to)
+                    .ignoreAirBlocks(ignoreAirBlocks)
+                    .copyBiomes(pasteBiomes)
+                    .copyEntities(pasteEntities)
+                    .maskSource(sourceMask)
+                    .build();
+            Operations.completeLegacy(operation);
+            operation.addStatusMessages(messages);
+        }
+
+        if (selectPasted || onlySelect) {
             BlockVector3 clipboardOffset = clipboard.getRegion().getMinimumPoint().subtract(clipboard.getOrigin());
             Vector3 realTo = to.toVector3().add(holder.getTransform().apply(clipboardOffset.toVector3()));
             Vector3 max = realTo.add(holder.getTransform().apply(region.getMaximumPoint().subtract(region.getMinimumPoint()).toVector3()));
@@ -173,9 +179,11 @@ public void paste(Actor actor, World world, LocalSession session, EditSession ed
             selector.explainRegionAdjust(actor, session);
         }
 
-        actor.print("The clipboard has been pasted at " + to);
-        List<String> messages = Lists.newArrayList();
-        operation.addStatusMessages(messages);
+        if (onlySelect) {
+            actor.print("Selected clipboard paste region.");
+        } else {
+            actor.print("The clipboard has been pasted at " + to);
+        }
         messages.forEach(actor::print);
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/command/SelectionCommands.java

@@ -80,6 +80,7 @@
 import org.enginehub.piston.annotation.param.Arg;
 import org.enginehub.piston.annotation.param.ArgFlag;
 import org.enginehub.piston.annotation.param.Switch;
+import org.enginehub.piston.exception.StopExecutionException;
 
 import java.util.List;
 import java.util.Optional;
@@ -206,7 +207,7 @@ public void hpos2(Player player, LocalSession session) throws WorldEditException
     )
     @Logging(POSITION)
     @CommandPermissions("worldedit.selection.chunk")
-    public void chunk(Player player, LocalSession session,
+    public void chunk(Actor actor, World world, LocalSession session,
                       @Arg(desc = "The chunk to select", def = "")
                           BlockVector2 coordinates,
                       @Switch(name = 's', desc = "Expand your selection to encompass all chunks that are part of it")
@@ -215,7 +216,6 @@ public void chunk(Player player, LocalSession session,
                           boolean useChunkCoordinates) throws WorldEditException {
         final BlockVector3 min;
         final BlockVector3 max;
-        final World world = player.getWorld();
         if (expandSelection) {
             Region region = session.getSelection(world);
 
@@ -225,7 +225,7 @@ public void chunk(Player player, LocalSession session,
             min = BlockVector3.at(min2D.getBlockX() * 16, 0, min2D.getBlockZ() * 16);
             max = BlockVector3.at(max2D.getBlockX() * 16 + 15, world.getMaxY(), max2D.getBlockZ() * 16 + 15);
 
-            player.print("Chunks selected: ("
+            actor.print("Chunks selected: ("
                     + min2D.getBlockX() + ", " + min2D.getBlockZ() + ") - ("
                     + max2D.getBlockX() + ", " + max2D.getBlockZ() + ")");
         } else {
@@ -237,13 +237,17 @@ public void chunk(Player player, LocalSession session,
                     : ChunkStore.toChunk(coordinates.toBlockVector3());
             } else {
                 // use player loc
-                min2D = ChunkStore.toChunk(player.getBlockLocation().toVector().toBlockPoint());
+                if (actor instanceof Locatable) {
+                    min2D = ChunkStore.toChunk(((Locatable) actor).getBlockLocation().toVector().toBlockPoint());
+                } else {
+                    throw new StopExecutionException(TextComponent.of("A player or coordinates are required."));
+                }
             }
 
             min = BlockVector3.at(min2D.getBlockX() * 16, 0, min2D.getBlockZ() * 16);
             max = min.add(15, world.getMaxY(), 15);
 
-            player.print("Chunk selected: "
+            actor.print("Chunk selected: "
                     + min2D.getBlockX() + ", " + min2D.getBlockZ());
         }
 
@@ -253,11 +257,11 @@ public void chunk(Player player, LocalSession session,
         } else {
             selector = new CuboidRegionSelector(world);
         }
-        selector.selectPrimary(min, ActorSelectorLimits.forActor(player));
-        selector.selectSecondary(max, ActorSelectorLimits.forActor(player));
+        selector.selectPrimary(min, ActorSelectorLimits.forActor(actor));
+        selector.selectSecondary(max, ActorSelectorLimits.forActor(actor));
         session.setRegionSelector(world, selector);
 
-        session.dispatchCUISelection(player);
+        session.dispatchCUISelection(actor);
 
     }
 
@@ -433,7 +437,7 @@ private BlockVector3[] getChangesForEachDir(int amount, boolean onlyHorizontal,
         desc = "Get information about the selection"
     )
     @CommandPermissions("worldedit.selection.size")
-    public void size(Player player, LocalSession session,
+    public void size(Actor actor, World world, LocalSession session,
                      @Switch(name = 'c', desc = "Get clipboard info instead")
                          boolean clipboardInfo) throws WorldEditException {
         Region region;
@@ -443,23 +447,23 @@ public void size(Player player, LocalSession session,
             region = clipboard.getRegion();
 
             BlockVector3 origin = clipboard.getOrigin();
-            player.print("Offset: " + origin);
+            actor.print("Offset: " + origin);
         } else {
-            region = session.getSelection(player.getWorld());
+            region = session.getSelection(world);
 
-            player.print("Type: " + session.getRegionSelector(player.getWorld()).getTypeName());
+            actor.print("Type: " + session.getRegionSelector(world).getTypeName());
 
-            for (String line : session.getRegionSelector(player.getWorld()).getInformationLines()) {
-                player.print(line);
+            for (String line : session.getRegionSelector(world).getInformationLines()) {
+                actor.print(line);
             }
         }
         BlockVector3 size = region.getMaximumPoint()
                 .subtract(region.getMinimumPoint())
                 .add(1, 1, 1);
 
-        player.print("Size: " + size);
-        player.print("Cuboid distance: " + region.getMaximumPoint().distance(region.getMinimumPoint()));
-        player.print("# of blocks: " + region.getArea());
+        actor.print("Size: " + size);
+        actor.print("Cuboid distance: " + region.getMaximumPoint().distance(region.getMinimumPoint()));
+        actor.print("# of blocks: " + region.getArea());
     }
 
 
@@ -468,19 +472,19 @@ public void size(Player player, LocalSession session,
         desc = "Counts the number of blocks matching a mask"
     )
     @CommandPermissions("worldedit.analysis.count")
-    public void count(Player player, LocalSession session, EditSession editSession,
+    public void count(Actor actor, World world, LocalSession session, EditSession editSession,
                       @Arg(desc = "The mask of blocks to match")
                           Mask mask) throws WorldEditException {
-        int count = editSession.countBlocks(session.getSelection(player.getWorld()), mask);
-        player.print("Counted: " + count);
+        int count = editSession.countBlocks(session.getSelection(world), mask);
+        actor.print("Counted: " + count);
     }
 
     @Command(
         name = "/distr",
         desc = "Get the distribution of blocks in the selection"
     )
     @CommandPermissions("worldedit.analysis.distr")
-    public void distr(Player player, LocalSession session,
+    public void distr(Actor actor, World world, LocalSession session,
                       @Switch(name = 'c', desc = "Get the distribution of the clipboard instead")
                           boolean clipboardDistr,
                       @Switch(name = 'd', desc = "Separate blocks by state")
@@ -497,28 +501,32 @@ public void distr(Player player, LocalSession session,
                 Operations.completeBlindly(visitor);
                 distribution = count.getDistribution();
             } else {
-                try (EditSession editSession = session.createEditSession(player)) {
-                    distribution = editSession.getBlockDistribution(session.getSelection(player.getWorld()), separateStates);
+                try (EditSession editSession = session.createEditSession(actor)) {
+                    distribution = editSession.getBlockDistribution(session.getSelection(world), separateStates);
                 }
             }
             session.setLastDistribution(distribution);
             page = 1;
         } else {
             distribution = session.getLastDistribution();
             if (distribution == null) {
-                player.printError("No previous distribution.");
+                actor.printError("No previous distribution.");
                 return;
             }
         }
 
         if (distribution.isEmpty()) {  // *Should* always be false
-            player.printError("No blocks counted.");
+            actor.printError("No blocks counted.");
             return;
         }
 
         final int finalPage = page;
-        WorldEditAsyncCommandBuilder.createAndSendMessage(player,
-                () -> new BlockDistributionResult(distribution, separateStates).create(finalPage), null);
+        WorldEditAsyncCommandBuilder.createAndSendMessage(actor,
+                () -> {
+                    BlockDistributionResult res = new BlockDistributionResult(distribution, separateStates);
+                    if (!actor.isPlayer()) res.formatForConsole();
+                    return res.create(finalPage);
+                }, null);
     }
 
     @Command(

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/LongRangeBuildTool.java

@@ -26,6 +26,7 @@
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extension.platform.Platform;
+import com.sk89q.worldedit.extent.inventory.BlockBag;
 import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.math.BlockVector3;
@@ -55,41 +56,56 @@ public boolean canUse(Actor player) {
     public boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session) {
         Location pos = getTargetFace(player);
         if (pos == null) return false;
-        try (EditSession eS = session.createEditSession(player)) {
-            eS.disableBuffering();
-            BlockVector3 blockPoint = pos.toVector().toBlockPoint();
-            BaseBlock applied = secondary.apply(blockPoint);
-            if (applied.getBlockType().getMaterial().isAir()) {
-                eS.setBlock(blockPoint, secondary);
-            } else {
-                eS.setBlock(pos.toVector().subtract(pos.getDirection()).toBlockPoint(), secondary);
+        BlockBag bag = session.getBlockBag(player);
+
+        try (EditSession editSession = session.createEditSession(player)) {
+            try {
+                editSession.disableBuffering();
+                BlockVector3 blockPoint = pos.toVector().toBlockPoint();
+                BaseBlock applied = secondary.apply(blockPoint);
+                if (applied.getBlockType().getMaterial().isAir()) {
+                    editSession.setBlock(blockPoint, secondary);
+                } else {
+                    editSession.setBlock(pos.toVector().subtract(pos.getDirection()).toBlockPoint(), secondary);
+                }
+            } catch (MaxChangedBlocksException ignored) {
+            } finally {
+                session.remember(editSession);
+            }
+        } finally {
+            if (bag != null) {
+                bag.flushChanges();
             }
-            return true;
-        } catch (MaxChangedBlocksException ignored) {
-            // one block? eat it
         }
-        return false;
-
+        return true;
     }
 
     @Override
     public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session) {
         Location pos = getTargetFace(player);
         if (pos == null) return false;
-        try (EditSession eS = session.createEditSession(player)) {
-            eS.disableBuffering();
-            BlockVector3 blockPoint = pos.toVector().toBlockPoint();
-            BaseBlock applied = primary.apply(blockPoint);
-            if (applied.getBlockType().getMaterial().isAir()) {
-                eS.setBlock(blockPoint, primary);
-            } else {
-                eS.setBlock(pos.toVector().subtract(pos.getDirection()).toBlockPoint(), primary);
+        BlockBag bag = session.getBlockBag(player);
+
+        try (EditSession editSession = session.createEditSession(player)) {
+            try {
+                editSession.disableBuffering();
+                BlockVector3 blockPoint = pos.toVector().toBlockPoint();
+                BaseBlock applied = primary.apply(blockPoint);
+                if (applied.getBlockType().getMaterial().isAir()) {
+                    editSession.setBlock(blockPoint, primary);
+                } else {
+                    editSession.setBlock(pos.toVector().subtract(pos.getDirection()).toBlockPoint(), primary);
+                }
+            } catch (MaxChangedBlocksException ignored) {
+            } finally {
+                session.remember(editSession);
+            }
+        } finally {
+            if (bag != null) {
+                bag.flushChanges();
             }
-            return true;
-        } catch (MaxChangedBlocksException ignored) {
-            // one block? eat it
         }
-        return false;
+        return true;
     }
 
     private Location getTargetFace(Player player) {

worldedit-core/src/main/java/com/sk89q/worldedit/function/generator/GardenPatchGenerator.java

@@ -26,7 +26,6 @@
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.block.BlockState;
-import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.util.Random;
@@ -39,6 +38,7 @@ public class GardenPatchGenerator implements RegionFunction {
     private final Random random = new Random();
     private final EditSession editSession;
     private Pattern plant = getPumpkinPattern();
+    private Pattern leafPattern = BlockTypes.OAK_LEAVES.getDefaultState().with(BlockTypes.OAK_LEAVES.getProperty("persistent"), true);
     private int affected;
 
     /**
@@ -96,7 +96,7 @@ private void placeVine(BlockVector3 basePos, BlockVector3 pos) throws MaxChanged
             }
         }
 
-        setBlockIfAir(editSession, pos, BlockTypes.OAK_LEAVES.getDefaultState());
+        setBlockIfAir(editSession, pos, leafPattern);
         affected++;
 
         int t = random.nextInt(4);
@@ -166,10 +166,9 @@ public boolean apply(BlockVector3 position) throws WorldEditException {
             return false;
         }
 
-        BlockState leavesBlock = BlockTypes.OAK_LEAVES.getDefaultState();
 
         if (editSession.getBlock(position).getBlockType().getMaterial().isAir()) {
-            editSession.setBlock(position, leavesBlock);
+            editSession.setBlock(position, leafPattern);
         }
 
         placeVine(position, position.add(0, 0, 1));
@@ -193,12 +192,12 @@ public static Pattern getPumpkinPattern() {
      * Set a block only if there's no block already there.
      *
      * @param position the position
-     * @param block the block to set
+     * @param pattern the pattern to set
      * @return if block was changed
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
      */
-    private static <B extends BlockStateHolder<B>> boolean setBlockIfAir(EditSession session, BlockVector3 position, B block) throws MaxChangedBlocksException {
-        return session.getBlock(position).getBlockType().getMaterial().isAir() && session.setBlock(position, block);
+    private static boolean setBlockIfAir(EditSession session, BlockVector3 position, Pattern pattern) throws MaxChangedBlocksException {
+        return session.getBlock(position).getBlockType().getMaterial().isAir() && session.setBlock(position, pattern);
     }
 
     /**