add /rename

3 files changed, 54 insertions, 4 deletions

diff --git a/Readme.md b/Readme.md
index 6017433..a0d7cd7 100644
--- a/Readme.md
+++ b/Readme.md
@@ -41,6 +41,10 @@ The player's coordinates are available though variables `x` `y` `z`.
 
 Displays ticks since last invocation
 
+### `/rename`
+
+Renames stack in hand.
+
 ## Features
 
 ### Dispenser Behavior
diff --git a/src/main/java/re/jag/parquet/Parquet.java b/src/main/java/re/jag/parquet/Parquet.java
index 06bf110..e031f29 100644
--- a/src/main/java/re/jag/parquet/Parquet.java
+++ b/src/main/java/re/jag/parquet/Parquet.java
@@ -13,10 +13,7 @@ import net.minecraft.item.DyeItem;
 import net.minecraft.item.Items;
 import net.minecraft.server.command.ServerCommandSource;
 import net.minecraft.util.DyeColor;
-import re.jag.parquet.commands.Calculator;
-import re.jag.parquet.commands.CameraMode;
-import re.jag.parquet.commands.Savedata;
-import re.jag.parquet.commands.TimeDIff;
+import re.jag.parquet.commands.*;
 
 public class Parquet implements ModInitializer {
 	public static final Logger LOG = LogManager.getLogger();
@@ -31,6 +28,7 @@ public class Parquet implements ModInitializer {
 		CameraMode.register(dispatcher);
 		Calculator.register(dispatcher);
 		TimeDIff.register(dispatcher);
+		Rename.register(dispatcher);
 
 		LOG.info("[PQ] Registered commands");
 	}
diff --git a/src/main/java/re/jag/parquet/commands/Rename.java b/src/main/java/re/jag/parquet/commands/Rename.java
new file mode 100644
index 0000000..79d6040
--- /dev/null
+++ b/src/main/java/re/jag/parquet/commands/Rename.java
@@ -0,0 +1,48 @@
+package re.jag.parquet.commands;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.minecraft.item.ItemStack;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.LiteralText;
+import net.minecraft.util.Hand;
+
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.server.command.CommandManager.literal;
+
+public class Rename {
+	public static void register(CommandDispatcher<ServerCommandSource> dispatcher) {
+		LiteralArgumentBuilder<ServerCommandSource> rename = literal("rename").
+				requires((s) -> can_execute(s)).
+				then( argument("name", StringArgumentType.string()).
+						executes((c) -> rename(c.getSource(), StringArgumentType.getString(c, "name")))
+				);
+
+		dispatcher.register(rename);
+	}
+
+	private static int rename (ServerCommandSource _source, String _name) throws CommandSyntaxException {
+
+		ItemStack stack = _source.getPlayer().getStackInHand(Hand.MAIN_HAND);
+		if (stack.isEmpty()) {
+			_source.sendError(new LiteralText("Your hand is empty"));
+			return 0;
+		}
+
+		stack.setCustomName(new LiteralText(_name));
+		return 1;
+	}
+
+	private static boolean can_execute (ServerCommandSource _source) {
+		if(_source.getMinecraftServer().getDefaultGameMode().isCreative())
+			return true;
+
+		try {
+			return _source.getPlayer().interactionManager.getGameMode().isCreative();
+		} catch (CommandSyntaxException e) {
+			return false;
+		}
+	}
+}