The bug
Firing an arrow from a bow while riding in a minecart causes the minecart to break.
The fix
This can be fixed by checking if the shooter of the arrow is the rider and returning false.
EntityMinecart.java (MCP)
public boolean attackEntityFrom(DamageSource source, float amount)
{
if (!this.worldObj.isRemote && !this.isDead)
{
if (source.getSourceOfDamage() instanceof EntityArrow)
{
EntityArrow arrow = (EntityArrow) source.getSourceOfDamage();
if(this.getPassengers().contains(arrow.shootingEntity))
{
return false;
}
}
}
}Linked issues
duplicates 1
is duplicated by 4
MC-50011
while inside a boat/minecart, you will break it if you try to use a bow (no matter where you aim)
Resolved
MC-50937
Minecarts are destroyed by projectiles from the inside
Resolved
MC-51353
If You Throw/Shoot A Projectile While In A Minecart, The Minecart Breaks
Resolved
MC-86526
projectiles fired in a minecart hit the minecart
Resolved
relates to 1
Attachments
Comments 14
They made it so that minecarts' hitbox is two blocks tall now, so that they can be pushed off rails. That's the only practical application for this, and it not only breaks shooting from a minecart, but it also breaks some machines, like Etho's mob sorter. Bug or not, this should be fixed.
Confirmed. In addition, if the rail is on a single block with a space below you will fall completely through the block and space. This is particularly dangerous for covered rail bridges in the nether.
Tested in 14w34c. Minecraft only breaks when bow is aimed at it. Arrow can easily be shot out of minecart during riding.
This happens to me a lot especially when you are aiming down far enough so it seems like the bow's arrow is just above the 'side' of the boat/minecart you are in, but you would clearly expect the projectile to travel over the edge of your minecart and to whatever target you're looking at.
This also happens to horses sometimes, a bug that was fixed in earlier updates but needs to be reopened because its still happening in 1.14.2: https://bugs.mojang.com/browse/MC-13727 Also when youre in a boat, the arrow you shoot can sometimes hit the other entity riding behind u in the boat, for example a parrot or dog. Haven't tested if a player riding in the boat will get hit. opened bug report on this: https://bugs.mojang.com/browse/MC-154485
This has been fixed in 20w14a. Forward-resolving as a duplicate of MC-176195.
Asteraoth
Confirmed.