Hello!
RayTracing is still a very new concept to me so this code may be very bad.

I am making a mod that adds an enchantment that is supposed to teleport the player where the are looking when holding a certain item, enderdust.

Currently it works, however the teleportation is very janky. I get teleported backards, side to side, into blocks, and almost never directly where I am looking.

Any help would be appreciated.

 

Code for the teleportation event:

public class TeleBootEvent {

    @SubscribeEvent
    public void teleBoot(PlayerInteractEvent.RightClickItem event) {
        PlayerEntity player = event.getPlayer();
        Vector3d eyePos = player.getEyePosition(1.0F);
        BlockRayTraceResult result = player.getEntityWorld().rayTraceBlocks(new RayTraceContext(eyePos, player.getLookVec(), RayTraceContext.BlockMode.COLLIDER, RayTraceContext.FluidMode.NONE, player));
        double x = result.getPos().getX();
        double y = result.getPos().getY();
        double z = result.getPos().getZ();

        ItemStack armor = player.getItemStackFromSlot(EquipmentSlotType.FEET);
        ItemStack enderdust = new ItemStack(ObjectHolderStorage.ENDERDUST);

        if (EnchantmentHelper.getEnchantmentLevel(ObjectHolderStorage.TELEBLINK, armor) > 0) {
            if (result.getType() == RayTraceResult.Type.BLOCK) {
                if (player.getHeldItemMainhand().isItemEqual(enderdust)) {
                    player.setPosition(x, y + 0.5, z);
                }
            }
        }
    }
}

 

Edited August 17, 20205 yr by Giga_5

1st: In 1.15 the 2nd parameter of RayTraceContext#new was not a direction, but rather another position. If that is still the case, then in your case you would have to do something like:

new RayTraceContext(eyePos, eyePos.add(player.getLookVec().scale(RANGE)), RayTraceContext.BlockMode.COLLIDER, RayTraceContext.FluidMode.NONE, player)

 

2nd: Out of curiosity: Why are you using ItemStack#isItemEqual instead of just comparing the items? Is NBT important here?

Ahh it worked! thank you for the help.

5 hours ago, CAS_ual_TY said:

2nd: Out of curiosity: Why are you using ItemStack#isItemEqual instead of just comparing the items? Is NBT important here?

I plan on adding different "types" of enderdust soon to teleport different lengths, I just havent done the NBT stuff yet