Fantasy Map Generator v1.6: Rivers and Lakes Update (Patreon)

This update is coming quite unexpectedly. About a month ago gitHub user CanisArtorus was able to resolve an issue with river system we had: rivers were ignoring lakes on generation, so lakes were completely out of river system. Now I was able to further improve the code and turn it into a solid system. I was also able to select lake type dynamically, so that whether the lake is salt, dry or of freshwater is decided based on river flux and evaporation.

Main changes:

• River overview and River editor rework
• River generation code refactored and optimized
• Rivers discharge (flux) properly calculated
• Lake editor rework
• Lake type defined dynamically based on river system
• Lake flux, inlets and outlet tracked properly
• Lake evaporation calculated using simplified Penman formula: evaporation depends on surface, temperature and elevation
• Lake outlet rendered with starting width depending on flux
• Lakes now have names

Lake type definition:

• Freshwater: generic type, usually has 1 or few inlets and 1 outlet
• Salt: evaporation > flux, no outlet
• Dry: no inlets and generally zero or very log flux
• Frozen: average temperature < 3°C (as it was before, but now based on average surface temperature)
• Lava: high elevation, low chance
• Sinkhole: small lake without inlets and outlet, low chance

Here is a short video on how lake type selection works when precipitation is changed. A big more subtle effect is when temperature is changed, but it's not included in the video.

Small changes:

• Regiments not moved after battle, tip message with battle results shown
• New state creation takes 1 cell only
• UI size not allowed to be bigger than user's screen

Fixes:

• Anarchy states does not have form names for provinces
• SVG load to Armoria get incorrect COA
• Markers are removed on svg / png save
• 1.5 update error on getShield
• If map saved with population layer on, layer cannot be toggled off

As usual, please ask questions and report defects in this thread or on our Discord.