Add cstacksize command

src/main/java/net/earthcomputer/clientcommands/ClientCommands.java

@@ -43,6 +43,7 @@ public static void registerCommands(CommandDispatcher<ServerCommandSource> dispa
         GlowCommand.register(dispatcher);
         GetDataCommand.register(dispatcher);
         ScriptCommand.register(dispatcher);
+        StackSizeCommand.register(dispatcher);
 
         CrackRNGCommand.register(dispatcher);
 

src/main/java/net/earthcomputer/clientcommands/command/StackSizeCommand.java

@@ -0,0 +1,61 @@
+package net.earthcomputer.clientcommands.command;
+
+import com.mojang.brigadier.CommandDispatcher;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.item.ItemStack;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+import net.minecraft.text.TranslatableText;
+import net.minecraft.util.Hand;
+
+import static net.minecraft.command.arguments.ItemStackArgumentType.*;
+import static com.mojang.brigadier.arguments.IntegerArgumentType.*;
+import static net.earthcomputer.clientcommands.command.ClientCommandManager.*;
+import static net.minecraft.server.command.CommandManager.*;
+
+public class StackSizeCommand {
+
+    public static void register(CommandDispatcher<ServerCommandSource> dispatcher) {
+        addClientSideCommand("cstacksize");
+
+        dispatcher.register(literal("cstacksize")
+            .then(argument("count", integer(0))
+                .then(argument("item", itemStack())
+                .executes(ctx -> {
+                    ItemStack stack = getItemStackArgument(ctx, "item").createStack(1, false);
+                    return getStackSize(ctx.getSource(), stack, getInteger(ctx, "count"));
+                }))
+            .executes(ctx -> {
+                return getStackSize(ctx.getSource(), getInteger(ctx, "count"));
+            })));
+    }
+
+    public static int getStackSize(ServerCommandSource source, ItemStack stack, int count) {
+        int stacks = count / stack.getMaxCount();
+        int remainder = count % stack.getMaxCount();
+
+        if (stack.isEmpty()) {
+            if (remainder == 0) {
+                sendFeedback(new TranslatableText("commands.cstacksize.success.empty.exact", count, stacks));
+            } else {
+                sendFeedback(new TranslatableText("commands.cstacksize.success.empty", count, stacks, remainder));
+            }
+        } else {
+            Text itemText = stack.toHoverableText();
+            if (remainder == 0) {
+                sendFeedback(new TranslatableText("commands.cstacksize.success.exact", count, itemText, stacks));
+            } else {
+                sendFeedback(new TranslatableText("commands.cstacksize.success", count, itemText, stacks, remainder));
+            }
+        }
+
+        return 1;
+    }
+
+    public static int getStackSize(ServerCommandSource source, int count) {
+        ItemStack heldStack = MinecraftClient.getInstance().player.getStackInHand(Hand.MAIN_HAND).copy();
+        return getStackSize(source, heldStack, count);
+    }
+
+}

src/main/resources/assets/clientcommands/lang/en_us.json

@@ -36,6 +36,11 @@
   "commands.cscript.reload.success": "Reloaded scripts",
   "commands.cscript.run.success": "Script ran successfully",
 
+  "commands.cstacksize.success": "%d %s is %d stacks and %d extra",
+  "commands.cstacksize.success.empty": "%d items is %d stacks and %d extra",
+  "commands.cstacksize.success.empty.exact": "%d items is exactly %d stacks",
+  "commands.cstacksize.success.exact": "%d %s is exactly %d stacks",
+
   "commands.ctask.list.noTasks": "No currently executing tasks",
   "commands.ctask.list.success": "%d currently executing tasks",
   "commands.ctask.stop.noMatch": "No matching tasks",