-mgv7_cave_width (Mapgen v7 cave width) float 0.2
-
-mgv7_np_terrain_base (Mapgen v7 terrain base noise parameters) noise_params 4, 70, (600, 600, 600), 82341, 5, 0.6, 2.0
-mgv7_np_terrain_alt (Mapgen v7 terrain altitude noise parameters) noise_params 4, 25, (600, 600, 600), 5934, 5, 0.6, 2.0
-mgv7_np_terrain_persist (Mapgen v7 terrain persistation noise parameters) noise_params 0.6, 0.1, (2000, 2000, 2000), 539, 3, 0.6, 2.0
-mgv7_np_height_select (Mapgen v7 height select noise parameters) noise_params -8, 16, (500, 500, 500), 4213, 6, 0.7, 2.0
-mgv7_np_filler_depth (Mapgen v7 filler depth noise parameters) noise_params 0, 1.2, (150, 150, 150), 261, 3, 0.7, 2.0
-mgv7_np_mount_height (Mapgen v7 mount height noise parameters) noise_params 256, 112, (1000, 1000, 1000), 72449, 3, 0.6, 2.0
-mgv7_np_ridge_uwater (Mapgen v7 ridge water noise parameters) noise_params 0, 1, (1000, 1000, 1000), 85039, 5, 0.6, 2.0
-mgv7_np_mountain (Mapgen v7 mountain noise parameters) noise_params -0.6, 1, (250, 350, 250), 5333, 5, 0.63, 2.0
-mgv7_np_ridge (Mapgen v7 ridge noise parameters) noise_params 0, 1, (100, 100, 100), 6467, 4, 0.75, 2.0
-mgv7_np_cave1 (Mapgen v7 cave1 noise parameters) noise_params 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
-mgv7_np_cave2 (Mapgen v7 cave2 noise parameters) noise_params 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
-
-[***Mapgen flat]
-
-# Map generation attributes specific to Mapgen flat.
+# Value >= 10.0 completely disables generation of tunnels and avoids the
+# intensive noise calculations.
+mgv7_cave_width (Cave width) float 0.09
+
+# Y of upper limit of large caves.
+mgv7_large_cave_depth (Large cave depth) int -33
+
+# Minimum limit of random number of small caves per mapchunk.
+mgv7_small_cave_num_min (Small cave minimum number) int 0 0 256
+
+# Maximum limit of random number of small caves per mapchunk.
+mgv7_small_cave_num_max (Small cave maximum number) int 0 0 256
+
+# Minimum limit of random number of large caves per mapchunk.
+mgv7_large_cave_num_min (Large cave minimum number) int 0 0 64
+
+# Maximum limit of random number of large caves per mapchunk.
+mgv7_large_cave_num_max (Large cave maximum number) int 2 0 64
+
+# Proportion of large caves that contain liquid.
+mgv7_large_cave_flooded (Large cave proportion flooded) float 0.5 0.0 1.0
+
+# Y-level of cavern upper limit.
+mgv7_cavern_limit (Cavern limit) int -256
+
+# Y-distance over which caverns expand to full size.
+mgv7_cavern_taper (Cavern taper) int 256
+
+# Defines full size of caverns, smaller values create larger caverns.
+mgv7_cavern_threshold (Cavern threshold) float 0.7
+
+# Lower Y limit of dungeons.
+mgv7_dungeon_ymin (Dungeon minimum Y) int -31000
+
+# Upper Y limit of dungeons.
+mgv7_dungeon_ymax (Dungeon maximum Y) int 31000
+
+[**Noises]
+
+# Y-level of higher terrain that creates cliffs.
+mgv7_np_terrain_base (Terrain base noise) noise_params_2d 4, 70, (600, 600, 600), 82341, 5, 0.6, 2.0, eased
+
+# Y-level of lower terrain and seabed.
+mgv7_np_terrain_alt (Terrain alternative noise) noise_params_2d 4, 25, (600, 600, 600), 5934, 5, 0.6, 2.0, eased
+
+# Varies roughness of terrain.
+# Defines the 'persistence' value for terrain_base and terrain_alt noises.
+mgv7_np_terrain_persist (Terrain persistence noise) noise_params_2d 0.6, 0.1, (2000, 2000, 2000), 539, 3, 0.6, 2.0, eased
+
+# Defines distribution of higher terrain and steepness of cliffs.
+mgv7_np_height_select (Height select noise) noise_params_2d -8, 16, (500, 500, 500), 4213, 6, 0.7, 2.0, eased
+
+# Variation of biome filler depth.
+mgv7_np_filler_depth (Filler depth noise) noise_params_2d 0, 1.2, (150, 150, 150), 261, 3, 0.7, 2.0, eased
+
+# Variation of maximum mountain height (in nodes).
+mgv7_np_mount_height (Mountain height noise) noise_params_2d 256, 112, (1000, 1000, 1000), 72449, 3, 0.6, 2.0, eased
+
+# Defines large-scale river channel structure.
+mgv7_np_ridge_uwater (Ridge underwater noise) noise_params_2d 0, 1, (1000, 1000, 1000), 85039, 5, 0.6, 2.0, eased
+
+# 3D noise defining mountain structure and height.
+# Also defines structure of floatland mountain terrain.
+mgv7_np_mountain (Mountain noise) noise_params_3d -0.6, 1, (250, 350, 250), 5333, 5, 0.63, 2.0
+
+# 3D noise defining structure of river canyon walls.
+mgv7_np_ridge (Ridge noise) noise_params_3d 0, 1, (100, 100, 100), 6467, 4, 0.75, 2.0
+
+# 3D noise defining structure of floatlands.
+# If altered from the default, the noise 'scale' (0.7 by default) may need
+# to be adjusted, as floatland tapering functions best when this noise has
+# a value range of approximately -2.0 to 2.0.
+mgv7_np_floatland (Floatland noise) noise_params_3d 0, 0.7, (384, 96, 384), 1009, 4, 0.75, 1.618
+
+# 3D noise defining giant caverns.
+mgv7_np_cavern (Cavern noise) noise_params_3d 0, 1, (384, 128, 384), 723, 5, 0.63, 2.0
+
+# First of two 3D noises that together define tunnels.
+mgv7_np_cave1 (Cave1 noise) noise_params_3d 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
+
+# Second of two 3D noises that together define tunnels.
+mgv7_np_cave2 (Cave2 noise) noise_params_3d 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
+
+# 3D noise that determines number of dungeons per mapchunk.
+mgv7_np_dungeons (Dungeon noise) noise_params_3d 0.9, 0.5, (500, 500, 500), 0, 2, 0.8, 2.0
+
+[*Mapgen Carpathian]
+
+# Map generation attributes specific to Mapgen Carpathian.
+mgcarpathian_spflags (Mapgen Carpathian specific flags) flags caverns,norivers caverns,rivers,nocaverns,norivers
+
+# Defines the base ground level.
+mgcarpathian_base_level (Base ground level) float 12.0
+
+# Defines the width of the river channel.
+mgcarpathian_river_width (River channel width) float 0.05
+
+# Defines the depth of the river channel.
+mgcarpathian_river_depth (River channel depth) float 24.0
+
+# Defines the width of the river valley.
+mgcarpathian_valley_width (River valley width) float 0.25
+
+# Controls width of tunnels, a smaller value creates wider tunnels.
+# Value >= 10.0 completely disables generation of tunnels and avoids the
+# intensive noise calculations.
+mgcarpathian_cave_width (Cave width) float 0.09
+
+# Y of upper limit of large caves.
+mgcarpathian_large_cave_depth (Large cave depth) int -33
+
+# Minimum limit of random number of small caves per mapchunk.
+mgcarpathian_small_cave_num_min (Small cave minimum number) int 0 0 256
+
+# Maximum limit of random number of small caves per mapchunk.
+mgcarpathian_small_cave_num_max (Small cave maximum number) int 0 0 256
+
+# Minimum limit of random number of large caves per mapchunk.
+mgcarpathian_large_cave_num_min (Large cave minimum number) int 0 0 64
+
+# Maximum limit of random number of large caves per mapchunk.
+mgcarpathian_large_cave_num_max (Large cave maximum number) int 2 0 64
+
+# Proportion of large caves that contain liquid.
+mgcarpathian_large_cave_flooded (Large cave proportion flooded) float 0.5 0.0 1.0
+
+# Y-level of cavern upper limit.
+mgcarpathian_cavern_limit (Cavern limit) int -256
+
+# Y-distance over which caverns expand to full size.
+mgcarpathian_cavern_taper (Cavern taper) int 256
+
+# Defines full size of caverns, smaller values create larger caverns.
+mgcarpathian_cavern_threshold (Cavern threshold) float 0.7
+
+# Lower Y limit of dungeons.
+mgcarpathian_dungeon_ymin (Dungeon minimum Y) int -31000
+
+# Upper Y limit of dungeons.
+mgcarpathian_dungeon_ymax (Dungeon maximum Y) int 31000
+
+[**Noises]
+
+# Variation of biome filler depth.
+mgcarpathian_np_filler_depth (Filler depth noise) noise_params_2d 0, 1, (128, 128, 128), 261, 3, 0.7, 2.0, eased
+
+# First of 4 2D noises that together define hill/mountain range height.
+mgcarpathian_np_height1 (Hilliness1 noise) noise_params_2d 0, 5, (251, 251, 251), 9613, 5, 0.5, 2.0, eased
+
+# Second of 4 2D noises that together define hill/mountain range height.
+mgcarpathian_np_height2 (Hilliness2 noise) noise_params_2d 0, 5, (383, 383, 383), 1949, 5, 0.5, 2.0, eased
+
+# Third of 4 2D noises that together define hill/mountain range height.
+mgcarpathian_np_height3 (Hilliness3 noise) noise_params_2d 0, 5, (509, 509, 509), 3211, 5, 0.5, 2.0, eased
+
+# Fourth of 4 2D noises that together define hill/mountain range height.
+mgcarpathian_np_height4 (Hilliness4 noise) noise_params_2d 0, 5, (631, 631, 631), 1583, 5, 0.5, 2.0, eased
+
+# 2D noise that controls the size/occurrence of rolling hills.
+mgcarpathian_np_hills_terrain (Rolling hills spread noise) noise_params_2d 1, 1, (1301, 1301, 1301), 1692, 3, 0.5, 2.0, eased
+
+# 2D noise that controls the size/occurrence of ridged mountain ranges.
+mgcarpathian_np_ridge_terrain (Ridge mountain spread noise) noise_params_2d 1, 1, (1889, 1889, 1889), 3568, 3, 0.5, 2.0, eased
+
+# 2D noise that controls the size/occurrence of step mountain ranges.
+mgcarpathian_np_step_terrain (Step mountain spread noise) noise_params_2d 1, 1, (1889, 1889, 1889), 4157, 3, 0.5, 2.0, eased
+
+# 2D noise that controls the shape/size of rolling hills.
+mgcarpathian_np_hills (Rolling hill size noise) noise_params_2d 0, 3, (257, 257, 257), 6604, 6, 0.5, 2.0, eased
+
+# 2D noise that controls the shape/size of ridged mountains.
+mgcarpathian_np_ridge_mnt (Ridged mountain size noise) noise_params_2d 0, 12, (743, 743, 743), 5520, 6, 0.7, 2.0, eased
+
+# 2D noise that controls the shape/size of step mountains.
+mgcarpathian_np_step_mnt (Step mountain size noise) noise_params_2d 0, 8, (509, 509, 509), 2590, 6, 0.6, 2.0, eased
+
+# 2D noise that locates the river valleys and channels.
+mgcarpathian_np_rivers (River noise) noise_params_2d 0, 1, (1000, 1000, 1000), 85039, 5, 0.6, 2.0, eased
+
+# 3D noise for mountain overhangs, cliffs, etc. Usually small variations.
+mgcarpathian_np_mnt_var (Mountain variation noise) noise_params_3d 0, 1, (499, 499, 499), 2490, 5, 0.55, 2.0
+
+# First of two 3D noises that together define tunnels.
+mgcarpathian_np_cave1 (Cave1 noise) noise_params_3d 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
+
+# Second of two 3D noises that together define tunnels.
+mgcarpathian_np_cave2 (Cave2 noise) noise_params_3d 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
+
+# 3D noise defining giant caverns.
+mgcarpathian_np_cavern (Cavern noise) noise_params_3d 0, 1, (384, 128, 384), 723, 5, 0.63, 2.0
+
+# 3D noise that determines number of dungeons per mapchunk.
+mgcarpathian_np_dungeons (Dungeon noise) noise_params_3d 0.9, 0.5, (500, 500, 500), 0, 2, 0.8, 2.0
+
+[*Mapgen Flat]
+
+# Map generation attributes specific to Mapgen Flat.