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backport b7ca98d1e24e5797a8e42ca861ae4187ab5839ec

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This commit is contained in:
Salomão
2020-11-22 21:13:22 -03:00
parent adf59774d4
commit 932141cc9e
1 changed files with 18 additions and 5 deletions
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src/main/java/appeng/parts/misc/ItemHandlerAdapter.java
+18 -5
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@@ -134,6 +134,14 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
extracted = this.itemHandler.extractItem( i, remainingCurrentSlot, simulate );
if( !extracted.isEmpty() )
{
// In order to guard against broken IItemHandler implementations, we'll try to guess if the returned
// stack (especially in simulate mode) is the same that was returned by getStackInSlot. This is
// obviously not a precise science, but it would catch the previous Forge bug:
// https://github.com/MinecraftForge/MinecraftForge/pull/6580
if (extracted == stackInInventorySlot) {
extracted = extracted.copy();
}
if( extracted.getCount() > remainingCurrentSlot )
{
// Something broke. It should never return more than we requested...
@@ -143,12 +151,17 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
extracted.setCount( remainingCurrentSlot );
}
// We're just gonna use the first stack we get our hands on as the template for the rest.
// In case some stupid itemhandler (aka forge) returns an internal state we have to do a second
// expensive copy again.
// Heuristic for simulation: looping in case of simulations is pointless, since the state of the
// underlying inventory does not change after a simulated extraction. To still support inventories
// that report stacks that are larger than maxStackSize, we use this heuristic
if (simulate && extracted.getCount() == extracted.getMaxStackSize()
&& remainingCurrentSlot > extracted.getMaxStackSize()) {
extracted.setCount(remainingCurrentSlot);
}
if( gathered.isEmpty() )
{
gathered = extracted.copy();
gathered = extracted;
}
else
{
@@ -157,7 +170,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
remainingCurrentSlot -= extracted.getCount();
}
}
while( !extracted.isEmpty() && remainingCurrentSlot > 0 );
while( !simulate && !extracted.isEmpty() && remainingCurrentSlot > 0 );
remainingSize -= stackSizeCurrentSlot - remainingCurrentSlot;