Jump to content
View in the app

A better way to browse. Learn more.

Forge Forums

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

bigbusiness45

Members
  • Joined

  • Last visited

  1. bigbusiness45 joined the community
  2. I'm looking to create a mod item (class name "ExampleItem") that launches flaming pigs when the player right clicks. It's functionality would be similar to ender pearls, which spawn an entity (the ender pearl) with a velocity in the player's look direction. So, I figured I would use the EnderPearlItem.class as a template, then modify the appropriate code to spawn a PigEntity rather than an EnderPearl entity. However, I'm less familiar with the process for spawning entities in the world with the latest version of forge. Could anybody point me to an example of someone at least spawning an entity at player position with an item right click? Here is my code so far in ExampleItem.java: import net.minecraft.entity.item.EnderPearlEntity; import net.minecraft.entity.passive.PigEntity; import net.minecraft.entity.player.PlayerEntity; import net.minecraft.item.Item; import net.minecraft.item.ItemStack; import net.minecraft.stats.Stats; import net.minecraft.util.ActionResult; import net.minecraft.util.Hand; import net.minecraft.util.SoundCategory; import net.minecraft.util.SoundEvents; import net.minecraft.world.World; public class ExampleItem extends Item { public ExampleItem(Item.Properties p_i48501_1_) { super(p_i48501_1_); } public ActionResult<ItemStack> use(World p_77659_1_, PlayerEntity p_77659_2_, Hand p_77659_3_) { ItemStack itemstack = p_77659_2_.getItemInHand(p_77659_3_); p_77659_1_.playSound((PlayerEntity)null, p_77659_2_.getX(), p_77659_2_.getY(), p_77659_2_.getZ(), SoundEvents.ENDER_PEARL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (random.nextFloat() * 0.4F + 0.8F)); p_77659_2_.getCooldowns().addCooldown(this, 20); if (!p_77659_1_.isClientSide) { PigEntity flyingPig = new PigEntity(null, p_77659_1_); flyingPig.setPos(p_77659_2_.getX(), p_77659_2_.getY(), p_77659_2_.getZ()); p_77659_1_.addFreshEntity(flyingPig); flyingPig.setSecondsOnFire(10); } p_77659_2_.awardStat(Stats.ITEM_USED.get(this)); if (!p_77659_2_.abilities.instabuild) { itemstack.shrink(1); } return ActionResult.sidedSuccess(itemstack, p_77659_1_.isClientSide()); } } And here is the main error I'm getting: [17:25:34] [Server thread/FATAL] [minecraft/ThreadTaskExecutor]: Error executing task on Server java.lang.NullPointerException: Cannot invoke "net.minecraft.entity.EntityType.getDimensions()" because "p_i48580_1_" is null at net.minecraft.entity.Entity.<init>(Entity.java:203) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.entity.LivingEntity.<init>(LivingEntity.java:205) ~[forge:?] {re:classloading} at net.minecraft.entity.MobEntity.<init>(MobEntity.java:108) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.entity.CreatureEntity.<init>(CreatureEntity.java:13) ~[forge:?] {re:classloading} at net.minecraft.entity.AgeableEntity.<init>(AgeableEntity.java:21) ~[forge:?] {re:classloading} at net.minecraft.entity.passive.AnimalEntity.<init>(AnimalEntity.java:37) ~[forge:?] {re:classloading} at net.minecraft.entity.passive.PigEntity.<init>(PigEntity.java:59) ~[forge:?] {re:classloading} at com.dcox.modwroman.common.items.ExampleItem.use(ExampleItem.java:27) ~[?:?] {re:classloading} at net.minecraft.item.ItemStack.use(ItemStack.java:217) ~[forge:?] {re:classloading,xf:fml:forge:filled_map.4,xf:fml:forge:itemstack} at net.minecraft.server.management.PlayerInteractionManager.useItem(PlayerInteractionManager.java:287) ~[forge:?] {re:classloading} at net.minecraft.network.play.ServerPlayNetHandler.handleUseItem(ServerPlayNetHandler.java:982) ~[forge:?] {re:classloading} at net.minecraft.network.play.client.CPlayerTryUseItemPacket.handle(CPlayerTryUseItemPacket.java:28) ~[forge:?] {re:classloading} at net.minecraft.network.play.client.CPlayerTryUseItemPacket.handle(CPlayerTryUseItemPacket.java:9) ~[forge:?] {re:classloading} at net.minecraft.network.PacketThreadUtil.lambda$ensureRunningOnSameThread$0(PacketThreadUtil.java:19) ~[forge:?] {re:classloading} at net.minecraft.util.concurrent.TickDelayedTask.run(TickDelayedTask.java:17) ~[forge:?] {re:classloading} at net.minecraft.util.concurrent.ThreadTaskExecutor.doRunTask(ThreadTaskExecutor.java:136) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.util.concurrent.RecursiveEventLoop.doRunTask(RecursiveEventLoop.java:22) ~[forge:?] {re:classloading} at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:734) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:159) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.util.concurrent.ThreadTaskExecutor.pollTask(ThreadTaskExecutor.java:109) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:717) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:711) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.util.concurrent.ThreadTaskExecutor.runAllTasks(ThreadTaskExecutor.java:97) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:696) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:646) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:232) ~[forge:?] {re:classloading,pl:accesstransformer:B} at java.lang.Thread.run(Thread.java:832) [?:?] {}

Important Information

By using this site, you agree to our Terms of Use.

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.