add /set

server/src/main/java/server/command/CommandEnvironment.java

@@ -279,5 +279,7 @@ public class CommandEnvironment {
 		this.registerExecutable(new CommandEffect());
 		this.registerExecutable(new CommandExterminatus());
 		this.registerExecutable(new CommandReset());
+		
+		this.registerExecutable(new CommandSet());
 	}
 }

server/src/main/java/server/command/commands/CommandSet.java

@@ -0,0 +1,87 @@
+package server.command.commands;
+
+import java.util.Collection;
+
+import common.block.Block;
+import common.collect.Iterables;
+import common.collect.Lists;
+import common.init.BlockRegistry;
+import common.tags.TagObject;
+import common.tileentity.TileEntity;
+import common.util.BlockPos.MutableBlockPos;
+import common.world.State;
+import server.command.Command;
+import server.command.CommandEnvironment;
+import server.command.Executor;
+import server.command.RunException;
+import server.command.StringCompleter;
+import server.network.Player;
+import server.world.WorldServer;
+
+public class CommandSet extends Command {
+	public CommandSet() {
+		super("set");
+
+		this.setParamsOptional();
+		this.addString("block", false, new StringCompleter() {
+			public Collection<String> complete(CommandEnvironment env, String last) {
+				int idx = last.indexOf(',');
+				if(idx >= 0) {
+					Block block = BlockRegistry.byNameExact(last.substring(0, idx));
+					if(block != null)
+						return Lists.newArrayList(Iterables.transform(block.getSavedStates(), state -> BlockRegistry.getName(state)));
+				}
+				return BlockRegistry.getKeys();
+			}
+		});
+		this.addTag("tag", 't');
+	}
+	
+	public Object exec(CommandEnvironment env, Executor exec, String block, TagObject tag) {
+		if(!exec.isPlayer() || ((Player)exec).getPresentEntity() == null)
+			throw new RunException("Nur Spieler können diesen Befehl ausführen");
+		Player player = (Player)exec;
+		Iterable<MutableBlockPos> blocks = player.getSelectedBlocks();
+		if(blocks == null)
+			throw new RunException("Es ist keine Auswahl vorhanden");
+		State state;
+		if(block == null) {
+			if(player.getPresentEntity().getHeldItem() == null)
+				throw new RunException("Es befindet sich kein Gegenstand in der Hand");
+			else if(player.getPresentEntity().getHeldItem().getItem().getBlock() == null)
+				throw new RunException("Der Gegenstand in der Hand ist kein Block");
+			state = player.getPresentEntity().getHeldItem().getItem().getBlock().getState();
+		}
+		else {
+			state = BlockRegistry.byName(block, null);
+			if(state == null)
+				throw new RunException("Block '%s' existiert nicht", block);
+		}
+		WorldServer world = (WorldServer)player.getPresentEntity().getServerWorld();
+		int changed = 0;
+		for(MutableBlockPos pos : blocks) {
+			boolean success = world.setState(pos, state);
+			if(tag != null) {
+				TileEntity tile = world.getTileEntity(pos);
+				if(tile != null) {
+					TagObject te = new TagObject();
+					tile.writeTags(te);
+					te.merge(tag);
+					TileEntity newTile = TileEntity.createAndLoadEntity(world, world.getChunk(pos), pos, te);
+					if(newTile != null) {
+						world.removeTileEntity(pos);
+						world.setTileEntity(pos, newTile);
+						success = true;
+					}
+				}
+			}
+			if(success)
+				++changed;
+		}
+		if(changed > 0)
+			exec.log("%d * %s platziert", changed, state.getBlock().getDisplay());
+		else
+			exec.log("Es wurden keine Blöcke verändert");
+		return changed;
+	}
+}

server/src/main/java/server/network/Player.java

@@ -106,6 +106,7 @@ import common.tileentity.TileEntity;
 import common.tileentity.TileEntityDevice;
 import common.tileentity.TileEntitySign;
 import common.util.BlockPos;
+import common.util.BlockPos.MutableBlockPos;
 import common.util.BoundingBox;
 import common.util.ChunkPos;
 import common.util.ExtMath;
@@ -1486,6 +1487,13 @@ public class Player extends User implements Executor, IPlayer
         return newValue;
     }
     
+    public Iterable<MutableBlockPos> getSelectedBlocks() {
+        if(this.selectionDim == Integer.MIN_VALUE || this.selectionDim != UniverseRegistry.getId(this.entity.worldObj.dimension) || 
+        		this.selPos1 == null || this.selPos2 == null)
+            return null;
+        return BlockPos.getAllInBoxMutable(this.selPos1, this.selPos2);
+    }
+    
     private boolean copyClipboard() {
         if(this.selectionDim == Integer.MIN_VALUE || this.selectionDim != UniverseRegistry.getId(this.entity.worldObj.dimension) || 
         		this.selPos1 == null || this.selPos2 == null)