How to use

getHitVec

method

in

net.minecraftforge.event.entity.player.PlayerInteractEvent$RightClickBlock

@SubscribeEvent
public void onPlayerRightClickBlock(PlayerInteractEvent.RightClickBlock event) {
  EntityPlayer player = event.getEntityPlayer();
  if (event.getHitVec() == null || event.getWorld() == null || event.getPos() == null || event.getHand() == null || event.getFace() == null
      || player == null) {
    return;
  }
  ItemStack stack = player.getHeldItem(event.getHand());
  if (!stack.isEmpty()) {
    Pair<WrappedBlock, IMultipart> info = MultipartRegistry.INSTANCE.wrapPlacement(stack);
    if (info != null && info.getKey().getBlockPlacementLogic() != null) {
      EnumActionResult result = placePart(stack, player, event.getWorld(), event.getPos(), event.getFace(), (float) event.getHitVec().x,
          (float) event.getHitVec().y, (float) event.getHitVec().z, event.getHand(), info);
      if (result != EnumActionResult.PASS) {
        event.setCancellationResult(result);
        event.setCanceled(true);
      }
    }
  }
}

if (placeable.placeItemInWorld(world, pos, stack, player, event.getFace(), event.getHitVec()))

/**
 * Make a complete copy of the argument.
 * @param event to copy over
 * @return the copy
 */
private static PlayerInteractEvent copy(PlayerInteractEvent event){
  PlayerInteractEvent copy = null;
  if(event instanceof PlayerInteractEvent.RightClickEmpty)
    copy = new PlayerInteractEvent.RightClickEmpty(event.getEntityPlayer(), event.getHand());
  else if(event instanceof PlayerInteractEvent.LeftClickBlock) {
    copy = new PlayerInteractEvent.LeftClickBlock(event.getEntityPlayer(), event.getPos(), event.getFace(), ((PlayerInteractEvent.LeftClickBlock) event).getHitVec());
    ((PlayerInteractEvent.LeftClickBlock)copy).setUseItem(((PlayerInteractEvent.LeftClickBlock) event).getUseItem());
    ((PlayerInteractEvent.LeftClickBlock)copy).setUseBlock(((PlayerInteractEvent.LeftClickBlock) event).getUseBlock());
  }
  else if(event instanceof PlayerInteractEvent.EntityInteractSpecific)
    copy = new PlayerInteractEvent.EntityInteractSpecific(event.getEntityPlayer(), event.getHand(), ((PlayerInteractEvent.EntityInteractSpecific) event).getTarget(), ((PlayerInteractEvent.EntityInteractSpecific) event).getLocalPos());
  else if(event instanceof PlayerInteractEvent.EntityInteract)
    copy = new PlayerInteractEvent.EntityInteract(event.getEntityPlayer(), event.getHand(), ((PlayerInteractEvent.EntityInteract) event).getTarget());
  else if(event instanceof PlayerInteractEvent.RightClickBlock) {
    copy = new PlayerInteractEvent.RightClickBlock(event.getEntityPlayer(), event.getHand(), event.getPos(), event.getFace(), ((PlayerInteractEvent.RightClickBlock) event).getHitVec());
    ((PlayerInteractEvent.RightClickBlock)copy).setUseItem(((PlayerInteractEvent.RightClickBlock) event).getUseItem());
    ((PlayerInteractEvent.RightClickBlock)copy).setUseBlock(((PlayerInteractEvent.RightClickBlock) event).getUseBlock());
  }
  else if(event instanceof PlayerInteractEvent.RightClickItem)
    copy = new PlayerInteractEvent.RightClickItem(event.getEntityPlayer(),event.getHand());
  if(event.isCanceled()){
    copy.setCanceled(true);
  }
  return copy;
}