Perform part of the move of //fast to //perf (#1377)

This re-adds a deprecated `//fast` and moves the current logic to
`//perf`. Later `//perf` will have its syntax reworked, when Piston
finally supports sub-commands properly!

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

@@ -28,6 +28,7 @@ import com.boydti.fawe.util.MathMan;
 import com.boydti.fawe.util.RandomTextureUtil;
 import com.boydti.fawe.util.StringMan;
 import com.boydti.fawe.util.TextureUtil;
+import com.google.common.collect.ImmutableList;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
@@ -36,6 +37,7 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.HookMode;
+import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.input.DisallowedUsageException;
 import com.sk89q.worldedit.extension.input.InputParseException;
@@ -44,6 +46,8 @@ import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extension.platform.Capability;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.function.mask.Mask;
+import com.sk89q.worldedit.internal.command.CommandRegistrationHandler;
+import com.sk89q.worldedit.internal.command.CommandUtil;
 import com.sk89q.worldedit.util.SideEffect;
 import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.util.formatting.component.PaginationBox;
@@ -54,6 +58,9 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.formatting.text.format.TextColor;
 import com.sk89q.worldedit.world.World;
 import com.sk89q.worldedit.world.item.ItemType;
+import org.enginehub.piston.CommandManager;
+import org.enginehub.piston.CommandManagerService;
+import org.enginehub.piston.CommandParameters;
 import org.enginehub.piston.annotation.Command;
 import org.enginehub.piston.annotation.CommandContainer;
 import org.enginehub.piston.annotation.param.Arg;
@@ -65,8 +72,10 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Set;
 import java.util.TreeMap;
 import java.util.concurrent.Callable;
+import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
@@ -76,6 +85,62 @@ import static com.google.common.base.Preconditions.checkNotNull;
 @CommandContainer(superTypes = CommandPermissionsConditionGenerator.Registration.class)
 public class GeneralCommands {
 
+    public static void register(CommandRegistrationHandler registration,
+                                CommandManager commandManager,
+                                CommandManagerService commandManagerService,
+                                WorldEdit worldEdit) {
+        // Collect the tool commands
+        CommandManager collect = commandManagerService.newCommandManager();
+
+        registration.register(
+            collect,
+            GeneralCommandsRegistration.builder(),
+            new GeneralCommands(worldEdit)
+        );
+
+
+        Set<org.enginehub.piston.Command> commands = collect.getAllCommands()
+            .collect(Collectors.toSet());
+        for (org.enginehub.piston.Command command : commands) {
+            if (command.getName().equals("/fast")) {
+                // deprecate to `//perf`
+                commandManager.register(CommandUtil.deprecate(
+                    command, "//fast duplicates //perf " +
+                        "and will be removed in WorldEdit 8",
+                    GeneralCommands::replaceFastForPerf
+                ));
+                continue;
+            }
+
+            commandManager.register(command);
+        }
+    }
+
+    private static Component replaceFastForPerf(org.enginehub.piston.Command oldCmd,
+                                                CommandParameters oldParams) {
+        if (oldParams.getMetadata() == null) {
+            return CommandUtil.createNewCommandReplacementText("//perf");
+        }
+        ImmutableList<String> args = oldParams.getMetadata().getArguments();
+        if (args.isEmpty()) {
+            return TextComponent.of("There is not yet a replacement for //fast" +
+                " with no arguments");
+        }
+        String arg0 = args.get(0).toLowerCase(Locale.ENGLISH);
+        String flipped;
+        switch (arg0) {
+            case "on":
+                flipped = "off";
+                break;
+            case "off":
+                flipped = "on";
+                break;
+            default:
+                return TextComponent.of("There is no replacement for //fast " + arg0);
+        }
+        return CommandUtil.createNewCommandReplacementText("//perf " + flipped);
+    }
+
     private final WorldEdit worldEdit;
 
     /**
@@ -145,10 +210,36 @@ public class GeneralCommands {
 
     @Command(
         name = "/fast",
-        desc = "Toggle fast mode side effects"
+        desc = "Toggle fast mode"
     )
     @CommandPermissions("worldedit.fast")
-    public void fast(Actor actor, LocalSession session,
+    @Deprecated
+    void fast(Actor actor, LocalSession session,
+              @Arg(desc = "The new fast mode state", def = "")
+                  Boolean fastMode) {
+        boolean hasFastMode = session.hasFastMode();
+        if (fastMode != null && fastMode == hasFastMode) {
+            actor.printError(TranslatableComponent.of(fastMode ? "worldedit.fast.enabled.already" : "worldedit.fast.disabled.already"));
+            return;
+        }
+
+        if (hasFastMode) {
+            session.setFastMode(false);
+            actor.printInfo(TranslatableComponent.of("worldedit.fast.disabled"));
+        } else {
+            session.setFastMode(true);
+            actor.printInfo(TranslatableComponent.of("worldedit.fast.enabled"));
+        }
+    }
+
+    @Command(
+        name = "/perf",
+        desc = "Toggle side effects for performance",
+        descFooter = "Note that this command is GOING to change in the future." +
+            " Do not depend on the exact format of this command yet."
+    )
+    @CommandPermissions("worldedit.perf")
+    void perf(Actor actor, LocalSession session,
               @Arg(desc = "The side effect", def = "")
                   SideEffect sideEffect,
               @Arg(desc = "The new side effect state", def = "")
@@ -160,7 +251,7 @@ public class GeneralCommands {
             if (newState != null && newState == currentState) {
                 if (!showInfoBox) {
                     actor.printError(TranslatableComponent.of(
-                            "worldedit.fast.sideeffect.already-set",
+                            "worldedit.perf.sideeffect.already-set",
                             TranslatableComponent.of(sideEffect.getDisplayName()),
                             TranslatableComponent.of(newState.getDisplayName())
                     ));
@@ -172,14 +263,14 @@ public class GeneralCommands {
                 session.setSideEffectSet(session.getSideEffectSet().with(sideEffect, newState));
                 if (!showInfoBox) {
                     actor.printInfo(TranslatableComponent.of(
-                            "worldedit.fast.sideeffect.set",
+                            "worldedit.perf.sideeffect.set",
                             TranslatableComponent.of(sideEffect.getDisplayName()),
                             TranslatableComponent.of(newState.getDisplayName())
                     ));
                 }
             } else {
                 actor.printInfo(TranslatableComponent.of(
-                        "worldedit.fast.sideeffect.get",
+                        "worldedit.perf.sideeffect.get",
                         TranslatableComponent.of(sideEffect.getDisplayName()),
                         TranslatableComponent.of(currentState.getDisplayName())
                 ));
@@ -192,7 +283,7 @@ public class GeneralCommands {
             session.setSideEffectSet(applier);
             if (!showInfoBox) {
                 actor.printInfo(TranslatableComponent.of(
-                        "worldedit.fast.sideeffect.set-all",
+                        "worldedit.perf.sideeffect.set-all",
                         TranslatableComponent.of(newState.getDisplayName())
                 ));
             }
@@ -331,7 +422,7 @@ public class GeneralCommands {
                            @ArgFlag(name = 'p', desc = "Page of results to return", def = "1")
                                int page,
                            @Arg(desc = "Search query", variable = true)
-                               List<String> query) throws Exception {
+                               List<String> query) {
         String search = String.join(" ", query);
         if (search.length() <= 2) {
             actor.printError(TranslatableComponent.of("worldedit.searchitem.too-short"));
@@ -342,7 +433,8 @@ public class GeneralCommands {
             return;
         }
 
-        actor.print(new ItemSearcher(search, blocksOnly, itemsOnly, page).call());
+        WorldEditAsyncCommandBuilder.createAndSendMessage(actor, new ItemSearcher(search, blocksOnly, itemsOnly, page),
+                TranslatableComponent.of("worldedit.searchitem.searching"));
     }
 
     private static class ItemSearcher implements Callable<Component> {
@@ -361,7 +453,7 @@ public class GeneralCommands {
         @Override
         public Component call() throws Exception {
             String command = "/searchitem " + (blocksOnly ? "-b " : "") + (itemsOnly ? "-i " : "") + "-p %page% " + search;
-            Map<String, String> results = new TreeMap<>();
+            Map<String, Component> results = new TreeMap<>();
             String idMatch = search.replace(' ', '_');
             String nameMatch = search.toLowerCase(Locale.ROOT);
             for (ItemType searchType : ItemType.REGISTRY) {
@@ -373,15 +465,17 @@ public class GeneralCommands {
                     continue;
                 }
                 final String id = searchType.getId();
-                String name = searchType.getName();
+                if (id.contains(idMatch)) {
-                final boolean hasName = !name.equals(id);
+                    Component name = searchType.getRichName();
-                name = name.toLowerCase(Locale.ROOT);
+                    results.put(id, TextComponent.builder()
-                if (id.contains(idMatch) || (hasName && name.contains(nameMatch))) {
+                        .append(name)
-                    results.put(id, name + (hasName ? " (" + id + ")" : ""));
+                        .append(" (" + id + ")")
+                        .build());
                 }
             }
-            List<String> list = new ArrayList<>(results.values());
+            List<Component> list = new ArrayList<>(results.values());
-            return PaginationBox.fromStrings("Search results for '" + search + "'", command, list).create(page);
+            return PaginationBox.fromComponents("Search results for '" + search + "'", command, list)
+                .create(page);
         }
     }
 

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

@@ -25,6 +25,7 @@ import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseItemStack;
 import com.sk89q.worldedit.command.tool.BlockDataCyler;
 import com.sk89q.worldedit.command.tool.BlockReplacer;
 import com.sk89q.worldedit.command.tool.DistanceWand;
@@ -35,19 +36,23 @@ import com.sk89q.worldedit.command.tool.LongRangeBuildTool;
 import com.sk89q.worldedit.command.tool.NavigationWand;
 import com.sk89q.worldedit.command.tool.QueryTool;
 import com.sk89q.worldedit.command.tool.SelectionWand;
+import com.sk89q.worldedit.command.tool.StackTool;
+import com.sk89q.worldedit.command.tool.Tool;
 import com.sk89q.worldedit.command.tool.TreePlanter;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
+import com.sk89q.worldedit.command.util.SubCommandPermissionCondition;
 import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.internal.command.CommandRegistrationHandler;
 import com.sk89q.worldedit.internal.command.CommandUtil;
 import com.sk89q.worldedit.util.HandSide;
 import com.sk89q.worldedit.util.TreeGenerator;
+import com.sk89q.worldedit.util.formatting.text.Component;
 import com.sk89q.worldedit.util.formatting.text.TextComponent;
 import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
-import com.sk89q.worldedit.world.item.ItemType;
 import org.enginehub.piston.CommandManager;
 import org.enginehub.piston.CommandManagerService;
 import org.enginehub.piston.CommandMetadata;
@@ -82,14 +87,19 @@ public class ToolCommands {
             .collect(Collectors.toSet());
         for (org.enginehub.piston.Command command : commands) {
             if (command.getAliases().contains("unbind")) {
-                // Don't register new /tool unbind alias
+                // Don't register new /tool <whatever> alias
                 command = command.toBuilder().aliases(
                     Collections2.filter(command.getAliases(), alias -> !"unbind".equals(alias))
                 ).build();
             }
+            if (command.getName().equals("stacker")) {
+                // Don't register /stacker
+                continue;
+            }
             commandManager.register(CommandUtil.deprecate(
                 command, "Global tool names cause conflicts "
-                    + "and will be removed in WorldEdit 8", ToolCommands::asNonGlobal
+                    + "and will be removed in WorldEdit 8",
+                CommandUtil.ReplacementMessageGenerator.forNewCommand(ToolCommands::asNonGlobal)
             ));
         }
 
@@ -110,6 +120,8 @@ public class ToolCommands {
                 .required()
                 .build());
             command.description(TextComponent.of("Binds a tool to the item in your hand"));
+
+            command.condition(new SubCommandPermissionCondition.Generator(nonGlobalCommands).build());
         });
     }
 
@@ -124,15 +136,32 @@ public class ToolCommands {
 
     static void setToolNone(Player player, LocalSession session, boolean isBrush)
         throws InvalidToolBindException {
-        session.setTool(player, null);
+        session.setTool(player.getItemInHand(HandSide.MAIN_HAND).getType(), null);
         player.printInfo(TranslatableComponent.of(isBrush ? "worldedit.brush.none.equip" : "worldedit.tool.none.equip"));
     }
+
+    private static void setTool(Player player, LocalSession session, Tool tool,
+                                String translationKey) throws InvalidToolBindException {
+        BaseItemStack itemStack = player.getItemInHand(HandSide.MAIN_HAND);
+        session.setTool(itemStack.getType(), tool);
+        player.printInfo(TranslatableComponent.of(translationKey, itemStack.getRichName()));
+    }
+
     private final WorldEdit we;
 
     public ToolCommands(WorldEdit we) {
         this.we = we;
     }
 
+    @Command(
+        name = "none",
+        aliases = "unbind",
+        desc = "Unbind a bound tool from your current item"
+    )
+    public void none(Player player, LocalSession session) throws WorldEditException {
+        setToolNone(player, session, false);
+    }
+
     @Command(
         name = "selwand",
         aliases = "/selwand",
@@ -140,9 +169,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.setwand")
     public void selwand(Player player, LocalSession session) throws WorldEditException {
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
+        setTool(player, session, SelectionWand.INSTANCE, "worldedit.tool.selwand.equip");
-        session.setTool(player, SelectionWand.INSTANCE);
-        player.printInfo(TranslatableComponent.of("worldedit.tool.selwand.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -152,10 +179,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.setwand")
     public void navwand(Player player, LocalSession session) throws WorldEditException {
-
+        setTool(player, session, NavigationWand.INSTANCE, "worldedit.tool.navwand.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, NavigationWand.INSTANCE);
-        player.printInfo(TranslatableComponent.of("worldedit.tool.navwand.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -165,10 +189,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.tool.info")
     public void info(Player player, LocalSession session) throws WorldEditException {
-
+        setTool(player, session, new QueryTool(), "worldedit.tool.info.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, new QueryTool());
-        player.printInfo(TranslatableComponent.of("worldedit.tool.info.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -178,9 +199,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.tool.inspect")
     public void inspectBrush(Player player, LocalSession session) throws WorldEditException {
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
+        setTool(player, session, new InspectBrush(), "worldedit.tool.info.equip");
-        session.setTool(player, new InspectBrush());
-        player.printInfo(TranslatableComponent.of("worldedit.tool.inspect.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -192,10 +211,20 @@ public class ToolCommands {
     public void tree(Player player, LocalSession session,
                      @Arg(desc = "Type of tree to generate", def = "tree")
                      TreeGenerator.TreeType type) throws WorldEditException {
+        setTool(player, session, new TreePlanter(type), "worldedit.tool.tree.equip");
+    }
 
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
+    @Command(
-        session.setTool(player, new TreePlanter(type));
+        name = "stacker",
-        player.printInfo(TranslatableComponent.of("worldedit.tool.tree.equip", TextComponent.of(itemType.getName())));
+        desc = "Block stacker tool"
+    )
+    @CommandPermissions("worldedit.tool.stack")
+    public void stacker(Player player, LocalSession session,
+                        @Arg(desc = "The max range of the stack", def = "10")
+                            int range,
+                        @Arg(desc = "The mask to stack until", def = "!#existing")
+                            Mask mask) throws WorldEditException {
+        setTool(player, session, new StackTool(range, mask), "worldedit.tool.stack.equip");
     }
 
     @Command(
@@ -207,10 +236,7 @@ public class ToolCommands {
     public void repl(Player player, LocalSession session,
                      @Arg(desc = "The pattern of blocks to place")
                          Pattern pattern) throws WorldEditException {
-
+        setTool(player, session, new BlockReplacer(pattern), "worldedit.tool.repl.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, new BlockReplacer(pattern));
-        player.printInfo(TranslatableComponent.of("worldedit.tool.repl.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -220,10 +246,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.tool.data-cycler")
     public void cycler(Player player, LocalSession session) throws WorldEditException {
-
+        setTool(player, session, new BlockDataCyler(), "worldedit.tool.data-cycler.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, new BlockDataCyler());
-        player.printInfo(TranslatableComponent.of("worldedit.tool.data-cycler.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -241,13 +264,10 @@ public class ToolCommands {
         LocalConfiguration config = we.getConfiguration();
 
         if (range > config.maxSuperPickaxeSize) {
-            player.printError(TranslatableComponent.of("worldedit.superpickaxe.max-range", TextComponent.of(config.maxSuperPickaxeSize)));
+            player.printError(TranslatableComponent.of("worldedit.tool.superpickaxe.max-range", TextComponent.of(config.maxSuperPickaxeSize)));
             return;
         }
-
+        setTool(player, session, new FloodFillTool(range, pattern), "worldedit.tool.floodfill.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, new FloodFillTool(range, pattern));
-        player.printInfo(TranslatableComponent.of("worldedit.tool.floodfill.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -257,10 +277,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.tool.deltree")
     public void deltree(Player player, LocalSession session) throws WorldEditException {
-
+        setTool(player, session, new FloatingTreeRemover(), "worldedit.tool.deltree.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
-        session.setTool(player, new FloatingTreeRemover());
-        player.printInfo(TranslatableComponent.of("worldedit.tool.deltree.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -270,9 +287,7 @@ public class ToolCommands {
     )
     @CommandPermissions("worldedit.tool.farwand")
     public void farwand(Player player, LocalSession session) throws WorldEditException {
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
+        setTool(player, session, new DistanceWand(), "worldedit.tool.farwand.equip");
-        session.setTool(player, new DistanceWand());
-        player.printInfo(TranslatableComponent.of("worldedit.tool.farwand.equip", TextComponent.of(itemType.getName())));
     }
 
     @Command(
@@ -286,18 +301,19 @@ public class ToolCommands {
                                        Pattern primary,
                                    @Arg(desc = "Pattern to set on right-click")
                                        Pattern secondary) throws WorldEditException {
-
+        setTool(player, session, new LongRangeBuildTool(primary, secondary), "worldedit.tool.lrbuild.equip");
-        final ItemType itemType = player.getItemInHand(HandSide.MAIN_HAND).getType();
+        Component primaryName;
-        session.setTool(player, new LongRangeBuildTool(primary, secondary));
+        Component secondaryName;
-        player.printInfo(TranslatableComponent.of("worldedit.tool.lrbuild.equip", TextComponent.of(itemType.getName())));
-        String primaryName = "pattern";
-        String secondaryName = "pattern";
         if (primary instanceof BlockStateHolder) {
-            primaryName = ((BlockStateHolder<?>) primary).getBlockType().getName();
+            primaryName = ((BlockStateHolder<?>) primary).getBlockType().getRichName();
+        } else {
+            primaryName = TextComponent.of("pattern");
         }
         if (secondary instanceof BlockStateHolder) {
-            secondaryName = ((BlockStateHolder<?>) secondary).getBlockType().getName();
+            secondaryName = ((BlockStateHolder<?>) secondary).getBlockType().getRichName();
+        } else {
+            secondaryName = TextComponent.of("pattern");
         }
-        player.printInfo(TranslatableComponent.of("worldedit.tool.lrbuild.set", TextComponent.of(primaryName), TextComponent.of(secondaryName)));
+        player.printInfo(TranslatableComponent.of("worldedit.tool.lrbuild.set", primaryName, secondaryName));
     }
 }

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java

@@ -83,6 +83,7 @@ import com.sk89q.worldedit.command.WorldEditCommands;
 import com.sk89q.worldedit.command.WorldEditCommandsRegistration;
 import com.sk89q.worldedit.command.argument.Arguments;
 import com.sk89q.worldedit.command.argument.BooleanConverter;
+import com.sk89q.worldedit.command.argument.Chunk3dVectorConverter;
 import com.sk89q.worldedit.command.argument.CommaSeparatedValuesConverter;
 import com.sk89q.worldedit.command.argument.DirectionConverter;
 import com.sk89q.worldedit.command.argument.DirectionVectorConverter;
@@ -90,7 +91,9 @@ import com.sk89q.worldedit.command.argument.EntityRemoverConverter;
 import com.sk89q.worldedit.command.argument.EnumConverter;
 import com.sk89q.worldedit.command.argument.ExpressionConverter;
 import com.sk89q.worldedit.command.argument.FactoryConverter;
+import com.sk89q.worldedit.command.argument.HeightConverter;
 import com.sk89q.worldedit.command.argument.LocationConverter;
+import com.sk89q.worldedit.command.argument.OffsetConverter;
 import com.sk89q.worldedit.command.argument.RegionFactoryConverter;
 import com.sk89q.worldedit.command.argument.RegistryConverter;
 import com.sk89q.worldedit.command.argument.SideEffectConverter;
@@ -250,6 +253,7 @@ public final class PlatformCommandManager {
             );
         }
         VectorConverter.register(commandManager);
+        Chunk3dVectorConverter.register(commandManager);
         EnumConverter.register(commandManager);
         RegistryConverter.register(commandManager);
         ZonedDateTimeConverter.register(commandManager);
@@ -260,6 +264,8 @@ public final class PlatformCommandManager {
         LocationConverter.register(commandManager);
         ExpressionConverter.register(commandManager);
         SideEffectConverter.register(commandManager);
+        HeightConverter.register(commandManager);
+        OffsetConverter.register(worldEdit, commandManager);
 
         registerBindings(new ConsumeBindings(worldEdit, this));
         registerBindings(new PrimitiveBindings(worldEdit));
@@ -359,7 +365,6 @@ public final class PlatformCommandManager {
     }
 
     private <CI> void registerSubCommands(String name, List<String> aliases, String desc,
-        CommandManager commandManager,
                                           Consumer<BiConsumer<CommandRegistration, CI>> handlerInstance,
                                           @NotNull Consumer<CommandManager> additionalConfig) {
         commandManager.register(name, cmd -> {
@@ -438,8 +443,8 @@ public final class PlatformCommandManager {
                     "brush",
                     Lists.newArrayList("br", "/brush", "/br", "/tool", "tool"),
                     "Brushing commands",
-                    commandManager,
                     c -> {
+                        // TODO find out what's going on here
                         c.accept(BrushCommandsRegistration.builder(), new BrushCommands(worldEdit));
                         c.accept(ToolCommandsRegistration.builder(), new ToolCommands(worldEdit));
                         c.accept(ToolUtilCommandsRegistration.builder(), new ToolUtilCommands(worldEdit));
@@ -491,10 +496,11 @@ public final class PlatformCommandManager {
                 GeneralCommandsRegistration.builder(),
                 new GeneralCommands(worldEdit)
             );
-            this.registration.register(
+            GeneralCommands.register(
+                    registration,
                     commandManager,
-                    GenerationCommandsRegistration.builder(),
+                    commandManagerService,
-                    new GenerationCommands(worldEdit)
+                    worldEdit
             );
             HistoryCommands history = new HistoryCommands(worldEdit);
             this.registration.register(

worldedit-core/src/main/java/com/sk89q/worldedit/internal/command/CommandUtil.java

@@ -52,14 +52,12 @@ public class CommandUtil {
 
     private static final Component DEPRECATION_MARKER = TextComponent.of("This command is deprecated.");
 
-    private static Component makeDeprecatedFooter(String reason, Component newCommand) {
+    private static Component makeDeprecatedFooter(String reason, Component replacement) {
         return TextComponent.builder()
             .append(DEPRECATION_MARKER)
             .append(" " + reason + ".")
             .append(TextComponent.newline())
-            .append(TextComponent.of("Use ", TextColor.GOLD, TextDecoration.ITALIC))
+            .append(replacement.color(TextColor.GOLD).decoration(TextDecoration.ITALIC, true))
-            .append(newCommand)
-            .append(TextComponent.of(" instead.", TextColor.GOLD, TextDecoration.ITALIC))
             .build();
     }
 
@@ -69,20 +67,48 @@ public class CommandUtil {
 
     }
 
+    public interface ReplacementMessageGenerator {
+
+        /**
+         * Generate text that says "Please use [cmd] instead." and allows clicking to dump
+         * the command to the text box.
+         */
+        static ReplacementMessageGenerator forNewCommand(NewCommandGenerator generator) {
+            return (oldCommand, oldParameters) -> {
+                String suggestedCommand = generator.newCommand(oldCommand, oldParameters);
+                return createNewCommandReplacementText(suggestedCommand);
+            };
+        }
+
+        Component getReplacement(Command oldCommand, CommandParameters oldParameters);
+
+    }
+
+    public static Component createNewCommandReplacementText(String suggestedCommand) {
+        return TextComponent.builder("Please use ", TextColor.GOLD)
+            .append(TextComponent.of(suggestedCommand)
+                .decoration(TextDecoration.UNDERLINED, true)
+                .clickEvent(ClickEvent.suggestCommand(suggestedCommand)))
+            .append(" instead.")
+            .build();
+    }
+
     public static Command deprecate(Command command, String reason,
-                                    NewCommandGenerator newCommandGenerator) {
+                                    ReplacementMessageGenerator replacementMessageGenerator) {
         Component deprecatedWarning = makeDeprecatedFooter(
             reason,
-            newCommandSuggestion(newCommandGenerator,
+            replacementMessageGenerator.getReplacement(
-                NoInputCommandParameters.builder().build(),
+                command,
-                command)
+                NoInputCommandParameters.builder().build()
+            )
         );
         return command.toBuilder()
             .action(parameters ->
-                deprecatedCommandWarning(parameters, command, reason, newCommandGenerator))
+                deprecatedCommandWarning(parameters, command, reason, replacementMessageGenerator))
             .footer(command.getFooter()
                 .map(existingFooter -> existingFooter
-                    .append(TextComponent.newline()).append(deprecatedWarning))
+                    .append(TextComponent.newline())
+                    .append(deprecatedWarning))
                 .orElse(deprecatedWarning))
             .build();
     }
@@ -139,26 +165,28 @@ public class CommandUtil {
         CommandParameters parameters,
         Command command,
         String reason,
-        NewCommandGenerator generator
+        ReplacementMessageGenerator generator
     ) throws Exception {
         parameters.injectedValue(Key.of(Actor.class))
-            .ifPresent(actor -> {
+            .ifPresent(actor ->
-                Component suggestion = newCommandSuggestion(generator, parameters, command);
+                sendDeprecationMessage(parameters, command, reason, generator, actor)
-                actor.print(TextComponent.of(reason + ". Please use ", TextColor.GOLD)
-                    .append(suggestion)
-                    .append(TextComponent.of(" instead."))
             );
-            });
         return command.getAction().run(parameters);
     }
 
-    private static Component newCommandSuggestion(NewCommandGenerator generator,
+    private static void sendDeprecationMessage(
         CommandParameters parameters,
-                                                  Command command) {
+        Command command,
-        String suggestedCommand = generator.newCommand(command, parameters);
+        String reason,
-        return TextComponent.of(suggestedCommand)
+        ReplacementMessageGenerator generator,
-            .decoration(TextDecoration.UNDERLINED, true)
+        Actor actor
-            .clickEvent(ClickEvent.suggestCommand(suggestedCommand));
+    ) {
+        Component replacement = generator.getReplacement(command, parameters);
+        actor.print(
+            TextComponent.builder(reason + ". ", TextColor.GOLD)
+                .append(replacement)
+                .build()
+        );
     }
 
     public static Map<String, Command> getSubCommands(Command currentCommand) {

worldedit-core/src/main/resources/lang/strings.json

@@ -213,10 +213,10 @@
     "worldedit.fast.enabled": "Fast mode enabled. Lighting in the affected chunks may be wrong and/or you may need to rejoin to see changes.",
     "worldedit.fast.disabled.already": "Fast mode already disabled.",
     "worldedit.fast.enabled.already": "Fast mode already enabled.",
-    "worldedit.fast.sideeffect.set": "Side effect \"{0}\" set to {1}",
+    "worldedit.perf.sideeffect.set": "Side effect \"{0}\" set to {1}",
-    "worldedit.fast.sideeffect.get": "Side effect \"{0}\" is set to {1}",
+    "worldedit.perf.sideeffect.get": "Side effect \"{0}\" is set to {1}",
-    "worldedit.fast.sideeffect.already-set": "Side effect \"{0}\" is already {1}",
+    "worldedit.perf.sideeffect.already-set": "Side effect \"{0}\" is already {1}",
-    "worldedit.fast.sideeffect.set-all": "All side effects set to {0}",
+    "worldedit.perf.sideeffect.set-all": "All side effects set to {0}",
     "worldedit.reorder.current": "The reorder mode is {0}",
     "worldedit.reorder.set": "The reorder mode is now {0}",
     "worldedit.gmask.disabled": "Global mask disabled.",