Such an event would be fired several thousand times per game tick which would have an unacceptable performance impact.
It does not need to be fired for each instance of consumption. It can be grouped by consumer type, or by chunk, or by smth else.
Entities can be lazily evaluated, I think I saw ...

TL;DR
Factorio API is missing some pollution-related events which would better suit modders needs.

What ?
https://wiki.factorio.com/Pollution
Consider this topic tells us truth 'bout the mechanics, there are two events required:

on_pollution_spread - after (or before?) the pollution is ...

Hello everyone!

I'm going to override the pollution system to affect evo factor only if it was consumed by spawners.
(Found some topic with the same idea: https://forums.factorio.com/viewtopic.php?f=6&t=52012&p=303843&hilit=pollution#p303843)

But I haven't found any event which can help ...

Thanks everyone for help.

It is quite plain and useful feature. I hope it will be extended further to support more widgets, grouping and framing.

Hello everyone.

There is a game menu which can be found by going to Options -> Mods. Could anyone tell what is the purpose of this menu and how can I use it properly?
I need to make some of my mod's settings customizable and I prefer GUI interaction to console.
1. Is there any tutorial on how to ...

DedlySpyder wrote:No you can't read files. I think the reasoning is for Multiplayer desyncs.

Well, this can be easily avoided by making file saving-loading have player as argument.
I'm new here, is it reasonable to write 'bout this issue in interface request section?

We have write_file method that allows custom data to be stored. Is there corresponding method exists to get that data?
Specifically I'm looking for a way to save/load player's inventory to transfer it from one map to another. Probably, there is another way to do so?