Stargateur wrote: Fri Dec 12, 2025 7:27 pm No

Now go and actually click that link in the header.

Stargateur wrote: Fri Dec 12, 2025 11:54 am there is quality_affects_energy_usage for crafting machine but not for lab, furnace and I may miss some.

A furnace is a crafting machine.

Duplicate of:
viewtopic.php?t=123838
viewtopic.php?t=86917

Related:
viewtopic.php?t=10313
viewtopic.php?t=86767

Need a better explanation than that. What counts as "producing"/"not producing"? From what I've seen people say, there are unobvious exceptions and it's not an exhaustive set.

BraveCaperCat wrote: Sat Nov 15, 2025 6:50 pm Related does not mean Duplicate of.

I didn't say it does.

Related: 123821

It's not related.

It makes sense that fluid temperature affects crafting speed by default, but I want to make a steam powered plant grower and harvester and it makes no sense for fluid temperature to affect how quickly plants grow. I searched the modding API for anything like ...

Surely you'd want can_place_tiles more. I don't imagine it's often the case that you want to check only a single tile.

(also, can_place_entity is found in LuaPlayer and LuaSurface, not in LuaControl; I'd expect you want the tile function for both)

While you could achieve similar effects, you couldn't achieve the exact same ones - say you have amount_min=4, amount_max=8, and ignored_by_quality=6. If you produce <= 6, you would have no quality; conversely, if you have > 6, you could have quality. There isn't any other way to achieve this ...

One person suggested making a ItemProductPrototype::ignored_by_quality member that is an integer, and would mean that specific product could produce both the same quality and a different quality in one cycle of the recipe.

Seems unnecessary to me. It only concerns the products and you can have ...

BraveCaperCat wrote: Mon Nov 10, 2025 1:13 pm 1. How would you know how it's done internally?

It is obvious from the API.

Of course these would need to respect what quality levels are supported (and possibly unlocked) so a normal quality recipe bumped by -1 would result in normal items, and a legendary recipe bumped +1 would result in legendary items.

Or those recipe variants just aren't available. To reduce ...

On the second thought, just checking that no character shares the crafting category with the recipe might be enough.

I am not contradicting myself. There is some magic inside of the assembler logic since it tries to select recipes using item signals, however with barreling specifically there is no such magic due to catalysts involved and so we require recipe signals to be present because assembler with set ...

There is no item/recipe black magic here. Barreling recipes and unbarreling recipes cannot be selected by the item signal because those recipes do not create new items (due to catalysts), and as such the only way to select correct recipes is by sending a recipe signal. If those recipe signals ...

eugenekay wrote: Sun Nov 02, 2025 1:06 am 128130 has some technical insight into the reasoning.

So the item/recipe merging black magic strikes again. Imagine if instead it was sanely explicitly specified in the prototype.

The event documentation already specifies the player_index as optional, if that was missed - would an extra comment about one of the ways it might not be provided be useful?

I’ve found when comments like that exist, people take them to mean “this is the *only* time this happens” when that isn’t ...

Can you provide any more details about your application and why an invisible container entity with interactions disabled is insufficient? A script could cause the player to open the container's gui even if the container itself is not clickable. The contents can be stored in the invisible container ...

"Note: if this starts the crafting process, result_quality will not be set automatically and will default to normal, even for quality recipes."

But it's pretty stupid that a quality recipe has no inherent quality to it.

Relevant: viewtopic.php?t=100079

Answer: No, because helpers.is_valid_sprite_path("__base__/../space-age/thumbnail.png") is not usable in prototype stage.
and even it does, you probablly cannot use it for detection purpose at all.

To be fair, being able to do that's a sandbox violation and should be fixed ( or made properly a ...