Research causes evolution

Replaces vanilla enemy evolution (time/pollution/spawner kills) with a new evolution mechanic: unlocking technologies now increases biter evolution!

In my view, this makes for a better pace through the game. It's common in vanilla for players to devote almost all their resources to research, and rush through the technology tree and barely experience mid-game technologies before they move on. Now, rushing technology isn't necessary to keep up with biters; in fact it is a bad idea if you haven't built up your defenses!

Note: this mod was adopted by H8UL and has since been completely rewritten. Credit to admo for the original mod. Thanks also to Aidan647 for providing an early version for 0.17 while I was unavailable.

Features

• Technology effects on evolution shown in tech tree
• Startup setting to decide whether evolution effects are weighted to early tech, late tech, or equal for all techs
• Startup setting to control whether upgrade technologies effect evolution
• Supports Rampant (https://mods.factorio.com/mod/Rampant)