更新: 可以通过gui设置命令碎片的命令

Took 23 seconds

src/main/java/org/teacon/powertool/client/gui/SetCommandScreen.java

@@ -0,0 +1,64 @@
+package org.teacon.powertool.client.gui;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.components.Button;
+import net.minecraft.client.gui.components.EditBox;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.core.component.DataComponentPatch;
+import net.minecraft.network.chat.CommonComponents;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.entity.EquipmentSlot;
+import net.minecraft.world.item.ItemStack;
+import net.neoforged.neoforge.network.PacketDistributor;
+import org.teacon.powertool.item.PowerToolItems;
+import org.teacon.powertool.network.server.UpdateItemStackData;
+
+public class SetCommandScreen extends Screen {
+
+    protected final ItemStack itemStack;
+    protected final EquipmentSlot slot;
+    protected EditBox input;
+
+    public SetCommandScreen(ItemStack stack, EquipmentSlot slot) {
+        super(Component.translatable("powertool.setcommand.gui"));
+        this.itemStack = stack;
+        this.slot = slot;
+    }
+
+    @Override
+    protected void init() {
+        var mc = Minecraft.getInstance();
+        var font = mc.font;
+        this.addRenderableWidget(new Button.Builder(CommonComponents.GUI_DONE, btn -> this.onDone())
+                .pos(this.width / 2 - 100, this.height / 4 + 120)
+                .size(200, 20).build());
+        var box_l = (int)Math.max(100,width*0.4);
+        this.input = new EditBox(font,width/2-box_l/2,height/2-35,box_l,20,Component.empty());
+        this.input.setMaxLength(114514);
+        this.input.setFocused(false);
+        this.input.setCanLoseFocus(true);
+
+        String command = itemStack.get(PowerToolItems.COMMAND);
+        if (command != null) {
+            this.input.setValue(command);
+        }
+
+        this.addRenderableWidget(this.input);
+        super.init();
+    }
+
+    protected void onDone() {
+        if (this.minecraft != null) {
+            this.minecraft.setScreen(null);
+        }
+    }
+
+    @Override
+    public void removed() {
+        if(input == null) return;
+        var patch = DataComponentPatch.builder()
+                .set(PowerToolItems.COMMAND.get(),input.getValue())
+                .build();
+        PacketDistributor.sendToServer(new UpdateItemStackData(slot,patch));
+    }
+}

src/main/java/org/teacon/powertool/item/CommandRune.java

@@ -1,6 +1,8 @@
 package org.teacon.powertool.item;
 
 import net.minecraft.MethodsReturnNonnullByDefault;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResultHolder;
 import net.minecraft.world.entity.EquipmentSlot;
@@ -10,13 +12,19 @@
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.UseAnim;
 import net.minecraft.world.level.Level;
+import net.neoforged.api.distmarker.Dist;
+import net.neoforged.api.distmarker.OnlyIn;
+import net.neoforged.neoforge.network.PacketDistributor;
+import org.teacon.powertool.client.gui.SetCommandScreen;
+import org.teacon.powertool.network.client.OpenItemScreen;
 import org.teacon.powertool.utils.VanillaUtils;
 
 import javax.annotation.ParametersAreNonnullByDefault;
+import java.util.function.Supplier;
 
 @MethodsReturnNonnullByDefault
 @ParametersAreNonnullByDefault
-public class CommandRune extends Item {
+public class CommandRune extends Item implements IScreenProviderItem{
     public CommandRune(Properties properties) {
         super(properties);
     }
@@ -32,13 +40,17 @@ public int getUseDuration(ItemStack stack, LivingEntity entity) {
     }
 
     @Override
-    public InteractionResultHolder<ItemStack> use(Level level, Player player, InteractionHand usedHand) {
-        ItemStack held = player.getItemInHand(usedHand);
+    public InteractionResultHolder<ItemStack> use(Level level, Player player, InteractionHand hand) {
+        ItemStack held = player.getItemInHand(hand);
         String command = held.get(PowerToolItems.COMMAND);
         if (command == null) {
+             if(player instanceof ServerPlayer serverPlayer){
+                PacketDistributor.sendToPlayer(serverPlayer,
+                        new OpenItemScreen(player.getItemInHand(hand),hand == InteractionHand.MAIN_HAND ? EquipmentSlot.MAINHAND : EquipmentSlot.OFFHAND));
+            }
             return InteractionResultHolder.pass(held);
         }
-        player.startUsingItem(usedHand);
+        player.startUsingItem(hand);
         return InteractionResultHolder.consume(held);
     }
 
@@ -54,7 +66,14 @@ public ItemStack finishUsingItem(ItemStack stack, Level level, LivingEntity livi
                         ? EquipmentSlot.OFFHAND : EquipmentSlot.MAINHAND;
                 stack.hurtAndBreak(1, livingEntity, slot);
             }
+
         }
         return stack;
     }
+
+    @Override
+    @OnlyIn(Dist.CLIENT)
+    public Supplier<Screen> getScreenSupplier(ItemStack stack, EquipmentSlot slot) {
+        return () -> new SetCommandScreen(stack,slot);
+    }
 }