# Name of map generator to be used when creating a new world.
# Creating a world in the main menu will override this.
-# type: enum values: v5, v6, v7, flat, fractal, singlenode
+# type: enum values: v5, v6, v7, flat, fractal, valleys, singlenode
# mg_name = v6
# Water surface level of the world.
# Global map generation attributes.
# In Mapgen v6 the 'decorations' flag controls all decorations except trees
# and junglegrass, in all other mapgens this flag controls all decorations.
+# The default flags set in the engine are: caves, light, decorations
+# The flags string modifies the engine defaults.
# Flags that are not specified in the flag string are not modified from the default.
-# Flags starting with "no" are used to explicitly disable them.
+# Flags starting with 'no' are used to explicitly disable them.
# type: flags possible values: caves, dungeons, light, decorations, nocaves, nodungeons, nolight, nodecorations
# mg_flags = caves,dungeons,light,decorations
#### Mapgen v6
# Map generation attributes specific to Mapgen v6.
-# When snowbiomes are enabled jungles are enabled and the jungles flag is ignored.
+# When snowbiomes are enabled jungles are automatically enabled, the 'jungles' flag is ignored.
+# The default flags set in the engine are: biomeblend, mudflow
+# The flags string modifies the engine defaults.
# Flags that are not specified in the flag string are not modified from the default.
-# Flags starting with "no" are used to explicitly disable them.
+# Flags starting with 'no' are used to explicitly disable them.
# type: flags possible values: jungles, biomeblend, mudflow, snowbiomes, flat, trees, nojungles, nobiomeblend, nomudflow, nosnowbiomes, noflat, notrees
# mgv6_spflags = jungles,biomeblend,mudflow,snowbiomes,trees
#### Mapgen v7
# Map generation attributes specific to Mapgen v7.
-# 'ridges' are the rivers.
+# The 'ridges' flag controls the rivers.
+# The default flags set in the engine are: mountains, ridges
+# The flags string modifies the engine defaults.
# Flags that are not specified in the flag string are not modified from the default.
-# Flags starting with "no" are used to explicitly disable them.
+# Flags starting with 'no' are used to explicitly disable them.
# type: flags possible values: mountains, ridges, nomountains, noridges
# mgv7_spflags = mountains,ridges
#### Mapgen flat
# Map generation attributes specific to Mapgen flat.
-# Occasional lakes and hills added to the flat world.
+# Occasional lakes and hills can be added to the flat world.
+# The default flags set in the engine are: none
+# The flags string modifies the engine defaults.
# Flags that are not specified in the flag string are not modified from the default.
-# Flags starting with "no" are used to explicitly disable them.
+# Flags starting with 'no' are used to explicitly disable them.
# type: flags possible values: lakes, hills, , nolakes, nohills
# mgflat_spflags =
##### General
# Map generation attributes specific to Mapgen Valleys.
+# 'altitude_chill' makes higher elevations colder, which may cause biome issues.
+# 'humid_rivers' modifies the humidity around rivers and in areas where water would tend to pool,
+# it may interfere with delicately adjusted biomes.
+# The default flags set in the engine are: altitude_chill, humid_rivers
+# The flags string modifies the engine defaults.
# Flags that are not specified in the flag string are not modified from the default.
-# Flags starting with "no" are used to explicitly disable them.
-# "altitude_chill" makes higher elevations colder, which may cause biome issues.
-# "humid_rivers" modifies the humidity around rivers and in areas where water would tend to pool. It may interfere with delicately adjusted biomes.
+# Flags starting with 'no' are used to explicitly disable them.
# type: flags possible values: altitude_chill, noaltitude_chill, humid_rivers, nohumid_rivers
# mg_valleys_spflags = altitude_chill,humid_rivers