Wyrms mine jsonify

[Night-Pryanik]

Summary

Content "Wyrms mine jsonify"

Purpose of change

Continuation of ongoing project of dehardcoding mine mapgen.

Closes #13310.
Closes #48288.

Describe the solution

• Added orifice terrain for dark wyrms to crawl from. Spawned fields of acid near them as dark wyrms produce acid trails when moving.
• Made wyrm pedestal sealed, so players won't be able to take petrified eye by g or AIM anymore. They could get the eye only through examine.
• Made "wyrms" tunnels snaky in accordance with the "snakes/wyrms" theme.
• The whole location has only 2 underground levels versus 3 levels for "amigara" or "spiral" versions.
• Overall number of wyrms should be higher than in previous, hardcoded, version, but my testing showed that wyrms are not that scary as opponents, and I was able to easily walk away from them (didn't even run). The bigger problem might be their acid trails as now tunnels are much more narrower than before.

Describe alternatives you've considered

None.

Testing

Debug-spawned mine, teleported to the finale. Examined the pedestal, took the eye. Didn't want to fight with wyrms, successfully walked away from them. Checked if everything is ok.

Additional context

Snaky tunnels with wyrms' orifices and puddles of acid near them. Wyrms will get out only when the eye will be removed from the pedestal

Finale

[Theawesomeboophis]

Great Job, this is a long-running bug that I'm glad we can finally squash.