# - interlaced: odd/even line based polarisation screen support.
# - topbottom: split screen top/bottom.
# - sidebyside: split screen side by side.
-# type: enum values: none, anaglyph, interlaced, topbottom, sidebyside
+# - pageflip: quadbuffer based 3d.
+# type: enum values: none, anaglyph, interlaced, topbottom, sidebyside, pageflip
# 3d_mode = none
# In-game chat console background color (R,G,B).
# type: float
# hud_hotbar_max_width = 1.0
-# Enable selection highlighting for nodes (disables selectionbox).
-# type: bool
-# enable_node_highlighting = false
+# Selection highlighting method (box or halo)
+# type: string
+# node_highlighting = box
# Enables caching of facedir rotated meshes.
# type: bool
# type: float min: 0.25 max: 4
# ambient_occlusion_gamma = 2.2
+# Enable animation of inventory items.
+# inventory_items_animations = false
+
### Menus
# Use a cloud animation for the main menu background.
# Occasional lakes and hills added to the flat world.
# 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.
-# type: flags possible values: lakes, hills, nolakes, nohills
-# mgflat_spflags = nolakes,nohills
+# type: flags possible values: lakes, hills, , nolakes, nohills
+# mgflat_spflags =
# Y of flat ground.
# type: int
#### Mapgen fractal
-# Choice of 8 4-dimensional fractals.
-# 1 = "Roundy" mandelbrot set.
-# 2 = "Roundy" julia set.
-# 3 = "Squarry" mandelbrot set.
-# 4 = "Squarry" julia set.
-# 5 = "Mandy Cousin" mandelbrot set.
-# 6 = "Mandy Cousin" julia set.
-# 7 = "Variation" mandelbrot set.
-# 8 = "Variation" julia set.
-# type: int min: 1 max: 8
-# mgfractal_formula = 1
+# Choice of 18 fractals from 9 formulas.
+# 1 = 4D "Roundy" mandelbrot set.
+# 2 = 4D "Roundy" julia set.
+# 3 = 4D "Squarry" mandelbrot set.
+# 4 = 4D "Squarry" julia set.
+# 5 = 4D "Mandy Cousin" mandelbrot set.
+# 6 = 4D "Mandy Cousin" julia set.
+# 7 = 4D "Variation" mandelbrot set.
+# 8 = 4D "Variation" julia set.
+# 9 = 3D "Mandelbrot/Mandelbar" mandelbrot set.
+# 10 = 3D "Mandelbrot/Mandelbar" julia set.
+# 11 = 3D "Christmas Tree" mandelbrot set.
+# 12 = 3D "Christmas Tree" julia set.
+# 13 = 3D "Mandelbulb" mandelbrot set.
+# 14 = 3D "Mandelbulb" julia set.
+# 15 = 3D "Cosine Mandelbulb" mandelbrot set.
+# 16 = 3D "Cosine Mandelbulb" julia set.
+# 17 = 4D "Mandelbulb" mandelbrot set.
+# 18 = 4D "Mandelbulb" julia set.
+# type: int min: 1 max: 18
+# mgfractal_fractal = 1
# Iterations of the recursive function.
-# Controls scale of finest detail.
+# Controls the amount of fine detail.
# type: int
# mgfractal_iterations = 11
# type: v3f
# mgfractal_scale = (4096.0, 1024.0, 4096.0)
-# (X,Y,Z) offset of fractal from world centre.
+# (X,Y,Z) offset of fractal from world centre in units of 'scale'.
# Used to move a suitable spawn area of low land close to (0, 0).
-# The default is suitable for mandelbrot sets, it needs to be edited for julia sets,
-# do this by greatly reducing 'scale' and setting 'offset' initially to (0, 0, 0).
+# The default is suitable for mandelbrot sets, it needs to be edited for julia sets.
# Range roughly -2 to 2. Multiply by 'scale' for offset in nodes.
# type: v3f
# mgfractal_offset = (1.79, 0.0, 0.0)
-# W co-ordinate of the generated 3D slice of the 4D shape.
-# Alters the generated 3D shape.
+# W co-ordinate of the generated 3D slice of a 4D fractal.
+# Determines which 3D slice of the 4D shape is generated.
+# Has no effect on 3D fractals.
# Range roughly -2 to 2.
# type: float
# mgfractal_slice_w = 0.0
-# Julia set only: X value determining the 4D shape.
+# Julia set only: X component of hypercomplex constant determining julia shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_x = 0.33
-# Julia set only: Y value determining the 4D shape.
+# Julia set only: Y component of hypercomplex constant determining julia shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_y = 0.33
-# Julia set only: Z value determining the 4D shape.
+# Julia set only: Z component of hypercomplex constant determining julia shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_z = 0.33
-# Julia set only: W value determining the 4D shape.
+# Julia set only: W component of hypercomplex constant determining julia shape.
+# Has no effect on 3D fractals.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_w = 0.33
# type: noise_params
# mgfractal_np_cave2 = 0, 12, (128, 128, 128), 10325, 4, 0.5, 2.0
+#### Mapgen Valleys
+
+#mg_valleys_spflags = altitude_chill,humid_rivers
+# "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.
+#
+#mg_valleys_altitude_chill = 90 # the altitude at which temperature drops by 20C
+#mg_valleys_large_cave_depth = -33 # Depth below which you'll find large caves.
+#mg_valleys_lava_features = 0 # Creates unpredictable lava features in caves. These can make mining difficult. Zero disables them. (0-10)
+#mg_valleys_massive_cave_depth = -256 # Depth below which you'll find massive caves.
+#mg_valleys_river_depth = 4 # how deep to make rivers
+#mg_valleys_river_size = 5 # how wide to make rivers
+#mg_valleys_water_features = 0 # Creates unpredictable water features in caves. These can make mining difficult. Zero disables them. (0-10)
+#
+#mg_valleys_np_filler_depth = 0, 1.2, (256, 256, 256), 1605, 3, 0.5, 2.0
+#
+# River noise -- rivers occur close to zero
+#mg_valleys_np_rivers = 0, 1, (256, 256, 256), -6050, 5, 0.6, 2.0
+#
+# Caves and tunnels form at the intersection of the two noises
+#mg_valleys_np_cave1 = 0, 12, (100, 100, 100), 52534, 4, 0.5, 2.0
+#mg_valleys_np_cave2 = 0, 12, (100, 100, 100), 10325, 4, 0.5, 2.0
+#
+#mg_valleys_np_massive_caves = 0, 1, (768, 256, 768), 59033, 6, 0.63, 2 # Massive caves form here.
+#
+# Base terrain height
+#mg_valleys_np_terrain_height = -10, 50, (1024, 1024, 1024), 5202, 6, 0.4, 2.0
+#
+# Raises terrain to make valleys around the rivers
+#mg_valleys_np_valley_depth = 5, 4, (512, 512, 512), -1914, 1, 1.0, 2.0
+#
+# Slope and fill work together to modify the heights
+#mg_valleys_np_inter_valley_fill = 0, 1, (256, 512, 256), 1993, 6, 0.8, 2.0
+#mg_valleys_np_inter_valley_slope = 0.5, 0.5, (128, 128, 128), 746, 1, 1.0, 2.0
+#
+# Amplifies the valleys
+#mg_valleys_np_valley_profile = 0.6, 0.5, (512, 512, 512), 777, 1, 1.0, 2.0
+
## Security
# Prevent mods from doing insecure things like running shell commands.