Danger Noise Map

Minecraft world generation already uses noise maps for carving out its physical world. I suggest noise maps be used to define regions of danger/difficulty where more dangerous features or mobs can spawn in certain zones whereas other zones are completely safe (rare).

This is to tackle a certain issue that I believe Minecraft is currently struggling to resolve: handling spawns. A long time ago, mobs would spawn in light levels of 7 or less, then that was changed to light level equal 0. By utilizing danger noise maps, I believe we can restore a more flexible spawning system while still not overwhelming the world and the player with spawns.

This can also play into the existing regional difficulty system. The total difficulty in a chunk / zone / coordinate (whatever) can be the sum of the regional difficulty at that space plus the score from the danger noise map.

I'll admit that my agenda is more for the modded scene. I've been trying to make a personal modpack and one problem I always seem to have is restricting dangerous features away from "safe" areas. For context, millenaire villages can generate right next to an Ice and Fire dragon roost. But let's say that we implement danger noise maps, this will give mod makers a more precise control of how their features generate.

To emphasize, I am not asking for support for mods: I am asking solely for implementing danger noise maps as described above. There is simply the added bonus of providing mod makers another tool, going forward.