Implemented Teleport logic for teleporting staff 😁

src/main/java/de/ellpeck/actuallyadditions/common/items/ActuallyItems.java

@@ -4,6 +4,7 @@ import com.google.common.collect.ImmutableSet;
 import de.ellpeck.actuallyadditions.common.ActuallyAdditions;
 import de.ellpeck.actuallyadditions.common.items.useables.AllInOneTool;
 import de.ellpeck.actuallyadditions.common.items.useables.ManualItem;
+import de.ellpeck.actuallyadditions.common.items.useables.TeleportStaffItem;
 import de.ellpeck.actuallyadditions.common.materials.ArmorMaterials;
 import de.ellpeck.actuallyadditions.common.materials.ToolMaterials;
 import net.minecraft.item.Item;
@@ -95,7 +96,7 @@ public final class ActuallyItems {
     public static final RegistryObject<Item> LENS_OF_DISENCHANTING = ITEMS.register("lens_of_disenchanting", basicItem());
     public static final RegistryObject<Item> LENS_OF_THE_MINER = ITEMS.register("lens_of_the_miner", basicItem());
     public static final RegistryObject<Item> LASER_WRENCH = ITEMS.register("laser_wrench", basicItem());
-    public static final RegistryObject<Item> TELEPORT_STAFF = ITEMS.register("teleport_staff", basicItem());
+    public static final RegistryObject<Item> TELEPORT_STAFF = ITEMS.register("teleport_staff", TeleportStaffItem::new);
     public static final RegistryObject<Item> WINGS_OF_THE_BATS = ITEMS.register("wings_of_the_bats", basicItem());
     public static final RegistryObject<Item> SINGLE_BATTERY = ITEMS.register("single_battery", basicItem());
     public static final RegistryObject<Item> DOUBLE_BATTERY = ITEMS.register("double_battery", basicItem());

src/main/java/de/ellpeck/actuallyadditions/common/items/IUseItem.java

@@ -0,0 +1,7 @@
+package de.ellpeck.actuallyadditions.common.items;
+
+import net.minecraft.item.ItemStack;
+
+public interface IUseItem {
+    boolean canUse(ItemStack stack);
+}

src/main/java/de/ellpeck/actuallyadditions/common/items/useables/TeleportStaffItem.java

@@ -0,0 +1,79 @@
+package de.ellpeck.actuallyadditions.common.items.useables;
+
+import de.ellpeck.actuallyadditions.common.items.ActuallyItem;
+import de.ellpeck.actuallyadditions.common.items.IUseItem;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.ServerPlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.*;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.BlockRayTraceResult;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.vector.Vector3f;
+import net.minecraft.world.World;
+
+public class TeleportStaffItem extends ActuallyItem implements IUseItem {
+    public TeleportStaffItem() {
+        super(baseProps());
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World world, PlayerEntity player, Hand hand) {
+        ItemStack stack = player.getHeldItem(hand);
+        if (world.isRemote) {
+            return super.onItemRightClick(world, player, hand);
+        }
+
+
+        RayTraceResult traceResult = player.pick(100, 1.0f, false);
+        if (traceResult.getType() != RayTraceResult.Type.BLOCK || !this.canUse(stack)) {
+            return super.onItemRightClick(world, player, hand);
+        }
+
+        BlockPos pos = ((BlockRayTraceResult) traceResult).getPos();
+        BlockPos toPos = pos.offset(((BlockRayTraceResult) traceResult).getFace(), 1);
+
+        Vector3f centerOfHit = new Vector3f(toPos.getX(), toPos.getY(), toPos.getZ());
+        centerOfHit.add(.5f, (((BlockRayTraceResult) traceResult).getFace().getAxis() == Direction.Axis.Y ? .5f : 0), .5f);
+
+        // power cost for thing
+        //                int use = baseUse + (int) (baseUse * pos.hitVec.distanceTo(new Vec3d(player.posX, player.posY + (player.getEyeHeight() - player.getDefaultEyeHeight()), player.posZ)));
+
+        if (!player.isCreative()) {
+            player.getCooldownTracker().setCooldown(this, 50);
+        }
+
+        player.dismount();
+        player.playSound(SoundEvents.ENTITY_ENDERMAN_TELEPORT, SoundCategory.PLAYERS, 1.0f, 1.0f);
+        ((ServerPlayerEntity) player).connection.setPlayerLocation(centerOfHit.getX(), centerOfHit.getY(), centerOfHit.getZ(), player.rotationYaw, player.rotationPitch);
+//
+//        if (pos != null && (pos.typeOfHit == RayTraceResult.Type.BLOCK || player.rotationPitch >= -5)) {
+//            int side = pos.sideHit.ordinal();
+//            if (side != -1) {
+//                double x = pos.hitVec.x - (side == 4 ? 0.5 : 0) + (side == 5 ? 0.5 : 0);
+//                double y = pos.hitVec.y - (side == 0 ? 2.0 : 0) + (side == 1 ? 0.5 : 0);
+//                double z = pos.hitVec.z - (side == 2 ? 0.5 : 0) + (side == 3 ? 0.5 : 0);
+//                int baseUse = 200;
+//                int use = baseUse + (int) (baseUse * pos.hitVec.distanceTo(new Vec3d(player.posX, player.posY + (player.getEyeHeight() - player.getDefaultEyeHeight()), player.posZ)));
+//                if (this.getEnergyStored(stack) >= use) {
+//                    ((EntityPlayerMP) player).connection.setPlayerLocation(x, y, z, player.rotationYaw, player.rotationPitch);
+//                    player.dismountRidingEntity();
+//                    world.playSound(null, player.posX, player.posY, player.posZ, SoundEvents.ENTITY_ENDERMEN_TELEPORT, SoundCategory.PLAYERS, 1.0F, 1.0F);
+//                    if (!player.capabilities.isCreativeMode) {
+//                        this.extractEnergyInternal(stack, use, false);
+//                        player.getCooldownTracker().setCooldown(this, 50);
+//                    }
+//                    return ActionResult.newResult(EnumActionResult.SUCCESS, stack);
+//                }
+//            }
+//        }
+
+        player.swingArm(hand);
+        return ActionResult.resultSuccess(stack);
+    }
+
+    @Override
+    public boolean canUse(ItemStack stack) {
+        return true;
+    }
+}