private ItemSlot GetAutoPullFromSlot(BlockFacing atBlockFace)
{
if (atBlockFace == BlockFacing.DOWN)
{
return(inventory.FirstOrDefault(slot => !slot.Empty));
}
return(null);
}
private bool TryPushInto(BlockFacing outputFace)
{
BlockPos OutputPosition = Pos.AddCopy(outputFace);
if (Api.World.BlockAccessor.GetBlockEntity(OutputPosition) is BlockEntityContainer beContainer)
{
ItemSlot sourceSlot = inventory.FirstOrDefault(slot => !slot.Empty);
if ((sourceSlot?.Itemstack?.StackSize ?? 0) == 0)
{
return(false); //seems FirstOrDefault() method can sometimes give a slot with stacksize == 0, weird
}
int horTravelled = sourceSlot.Itemstack.Attributes.GetInt("chuteQHTravelled");
int chuteDir = sourceSlot.Itemstack.Attributes.GetInt("chuteDir");
sourceSlot.Itemstack.Attributes.RemoveAttribute("chuteQHTravelled");
sourceSlot.Itemstack.Attributes.RemoveAttribute("chuteDir");
if (horTravelled >= 2)
{
return(false); //chutes can't move items more than 1 block horizontally without a drop
}
ItemSlot targetSlot = beContainer.Inventory.GetAutoPushIntoSlot(outputFace.Opposite, sourceSlot);
BlockEntityItemFlow beFlow = beContainer as BlockEntityItemFlow;
if (targetSlot != null && (beFlow == null || targetSlot.Empty))
{
int quantity = (int)itemFlowAccum;
ItemStackMoveOperation op = new ItemStackMoveOperation(Api.World, EnumMouseButton.Left, 0, EnumMergePriority.DirectMerge, quantity);
int qmoved = sourceSlot.TryPutInto(targetSlot, ref op);
if (qmoved > 0)
{
if (Api.World.Rand.NextDouble() < 0.2)
{
Api.World.PlaySoundAt(hopperTumble, Pos.X + 0.5, Pos.Y + 0.5, Pos.Z + 0.5, null, true, 8, 0.5f);
}
if (beFlow != null)
{
targetSlot.Itemstack.Attributes.SetInt("chuteQHTravelled", outputFace.IsHorizontal ? (horTravelled + 1) : 0);
targetSlot.Itemstack.Attributes.SetInt("chuteDir", outputFace.Index);
}
else
{
targetSlot.Itemstack.Attributes.RemoveAttribute("chuteQHTravelled");
targetSlot.Itemstack.Attributes.RemoveAttribute("chuteDir");
}
sourceSlot.MarkDirty();
targetSlot.MarkDirty();
MarkDirty(false);
beFlow?.MarkDirty(false);
itemFlowAccum -= qmoved;
return(true);
}
else
{
//If the push failed, re-apply original chuteDir so that the itemStack still has it for next push attempt
sourceSlot.Itemstack.Attributes.SetInt("chuteDir", chuteDir);
}
}
}
return(false);
}