添加无人机的测距功能

src/main/java/net/mcreator/superbwarfare/client/screens/DroneUIOverlay.java

@@ -4,11 +4,15 @@ import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
 import net.mcreator.superbwarfare.entity.DroneEntity;
 import net.mcreator.superbwarfare.init.ModItems;
+import net.mcreator.superbwarfare.tools.TraceTool;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.GameRenderer;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.ClipContext;
+import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.client.event.RenderGuiEvent;
 import net.minecraftforge.eventbus.api.EventPriority;
@@ -44,7 +48,22 @@ public class DroneUIOverlay {
                         .stream().filter(e -> e.getStringUUID().equals(stack.getOrCreateTag().getString("LinkedDrone"))).findFirst().orElse(null);
 
                 if (entity != null) {
+
+                    boolean lookAtEntity = false;
                     double distance = player.distanceTo(entity);
+                    double block_range = entity.position().distanceTo((Vec3.atLowerCornerOf(entity.level().clip(
+                            new ClipContext(entity.getEyePosition(), entity.getEyePosition().add(entity.getLookAngle().scale(520)),
+                                    ClipContext.Block.OUTLINE, ClipContext.Fluid.NONE, entity)).getBlockPos())));
+
+                    double entity_range = 0;
+
+                    Entity lookingEntity = TraceTool.findLookingEntity(entity, 520);
+
+                    if (lookingEntity != null) {
+                        lookAtEntity = true;
+                        entity_range = entity.distanceTo(lookingEntity);
+                    }
+
                     int color = -1;
 
 
@@ -60,6 +79,12 @@ public class DroneUIOverlay {
                     } else {
                         event.getGuiGraphics().drawString(Minecraft.getInstance().font, "KAMIKAZE", w / 2 + 12, h / 2 + -37, -65536, false);
                     }
+
+                    if (lookAtEntity) {
+                        event.getGuiGraphics().drawString(Minecraft.getInstance().font, "Range：" + new DecimalFormat("##.#").format(entity_range) + "M " + lookingEntity.getDisplayName().getString(), w / 2 + 12, h / 2 - 28, color, false);
+                    } else {
+                        event.getGuiGraphics().drawString(Minecraft.getInstance().font, block_range > 512 ? "Range：---M" : "Range：" + new DecimalFormat("##.#").format(block_range) + "M", w / 2 + 12, h / 2 - 28, color, false);
+                    }
                 }
             }
             RenderSystem.depthMask(true);

src/main/java/net/mcreator/superbwarfare/event/PlayerEventHandler.java

@@ -30,6 +30,16 @@ import net.minecraftforge.network.PacketDistributor;
 @Mod.EventBusSubscriber
 public class PlayerEventHandler {
 
+    @SubscribeEvent
+    public static void onPlayerLoggedIn(PlayerEvent.PlayerLoggedInEvent event) {
+        Player player = event.getEntity();
+        ItemStack stack = player.getMainHandItem();
+        if (stack.is(ModItems.MONITOR.get()) && stack.getOrCreateTag().getBoolean("Using")) {
+            stack.getOrCreateTag().putBoolean("Using", false);
+        }
+        
+    }
+    
     @SubscribeEvent
     public static void onPlayerRespawned(PlayerEvent.PlayerRespawnEvent event) {
         Player player = event.getEntity();

src/main/java/net/mcreator/superbwarfare/item/Monitor.java

@@ -6,6 +6,7 @@ import net.mcreator.superbwarfare.tools.TooltipTool;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResultHolder;
+import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
@@ -18,6 +19,7 @@ import net.minecraft.world.entity.EquipmentSlot;
 
 import com.google.common.collect.Multimap;
 import com.google.common.collect.ImmutableMultimap;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 
@@ -81,4 +83,12 @@ public class Monitor extends Item {
     public void appendHoverText(ItemStack stack, Level world, List<Component> list, TooltipFlag flag) {
         TooltipTool.addMonitorTips(list, stack.getOrCreateTag().getString(LINKED_DRONE));
     }
+
+    @Override
+    public void inventoryTick(ItemStack itemstack, Level world, Entity entity, int slot, boolean selected) {
+        super.inventoryTick(itemstack, world, entity, slot, selected);
+        if (!selected) {
+            itemstack.getOrCreateTag().putBoolean("Using",false);
+        }
+    }
 }