Biomes: Add tundra lowland with permafrost, stones, moss and snow

Move previous tundra to highland and remove the snowblocks that are
unsuitable for a fairly dry biome, use snow slabs instead.

diff --git a/mods/default/README.txt b/mods/default/README.txt
index 1c5e9e350d50ccc37edf3bd9752917c6b6261f87..bb7523efeb813ebf6f32eae84d5b485f8ca63d16 100644 (file)
--- a/mods/default/README.txt
+++ b/mods/default/README.txt
@@ -114,6 +114,10 @@ paramat (CC BY-SA 3.0):
   default_bookshelf_slot.png -- Derived from a texture by Gambit (CC-BY-SA 3.0)
   default_marram_grass_*.png -- Derived from textures by TumeniNodes (CC-BY-SA 3.0)
   default_emergent_jungle_sapling.png
+  default_permafrost.png -- Derived from a texture by Neuromancer (CC BY-SA 3.0)
+  default_stones.png -- Derived from a texture by sofar (CC0 1.0)
+  default_moss.png
+  default_moss_side.png
 
 TumeniNodes (CC BY-SA 3.0):
   default_desert_cobble.png -- Derived from a texture by brunob.santos (CC BY-SA 3.0)

diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index c84e2076174603ca8189b6426a93d70ca401ffa9..8b1c9574381dbdf2755e46908aa34490c9573745 100644 (file)
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -948,11 +948,25 @@ function default.register_biomes(upper_limit)
        -- Tundra
 
        minetest.register_biome({
-               name = "tundra",
-               node_dust = "default:snowblock",
+               name = "tundra_highland",
+               node_dust = "default:snow",
                node_riverbed = "default:gravel",
                depth_riverbed = 2,
                y_max = upper_limit,
+               y_min = 49,
+               heat_point = 0,
+               humidity_point = 40,
+       })
+
+       minetest.register_biome({
+               name = "tundra",
+               node_top = "default:permafrost_with_stones",
+               depth_top = 1,
+               node_filler = "default:permafrost",
+               depth_filler = 1,
+               node_riverbed = "default:gravel",
+               depth_riverbed = 2,
+               y_max = 48,
                y_min = 2,
                heat_point = 0,
                humidity_point = 40,
@@ -2028,6 +2042,52 @@ function default.register_decorations()
                },
        })
 
+       -- Tundra moss
+
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:permafrost_with_stones"},
+               sidelen = 4,
+               noise_params = {
+                       offset = -0.8,
+                       scale = 2.0,
+                       spread = {x = 100, y = 100, z = 100},
+                       seed = 53995,
+                       octaves = 3,
+                       persist = 1.0
+               },
+               biomes = {"tundra"},
+               y_max = 48,
+               y_min = 2,
+               decoration = "default:permafrost_with_moss",
+               place_offset_y = -1,
+               flags = "force_placement",
+       })
+
+       -- Tundra patchy snow
+
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {
+                       "default:permafrost_with_moss",
+                       "default:permafrost_with_stones",
+                       "default:stone"
+               },
+               sidelen = 4,
+               noise_params = {
+                       offset = 0,
+                       scale = 1.0,
+                       spread = {x = 100, y = 100, z = 100},
+                       seed = 172555,
+                       octaves = 3,
+                       persist = 1.0
+               },
+               biomes = {"tundra"},
+               y_max = 48,
+               y_min = 2,
+               decoration = "default:snow",
+       })
+
        -- Coral reef
 
        minetest.register_decoration({

diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 77bccb28c0965af8f1be0feaff8bcb116601b8da..7d65f3000f96a81df025f30a9fd09bc47c82d7c4 100644 (file)
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -53,6 +53,10 @@ default:dirt_with_snow
 default:dirt_with_rainforest_litter
 default:dirt_with_coniferous_litter
 
+default:permafrost
+default:permafrost_with_stones
+default:permafrost_with_moss
+
 default:sand
 default:desert_sand
 default:silver_sand
@@ -63,7 +67,6 @@ default:clay
 
 default:snow
 default:snowblock
-
 default:ice
 default:cave_ice
 
@@ -490,6 +493,34 @@ minetest.register_node("default:dirt_with_coniferous_litter", {
        }),
 })
 
+minetest.register_node("default:permafrost", {
+       description = "Permafrost",
+       tiles = {"default_permafrost.png"},
+       groups = {cracky = 3},
+       sounds = default.node_sound_dirt_defaults(),
+})
+
+minetest.register_node("default:permafrost_with_stones", {
+       description = "Permafrost with Stones",
+       tiles = {"default_permafrost.png^default_stones.png",
+               "default_permafrost.png"},
+       groups = {cracky = 3},
+       drop = "default:permafrost",
+       sounds = default.node_sound_gravel_defaults(),
+})
+
+minetest.register_node("default:permafrost_with_moss", {
+       description = "Permafrost with Moss",
+       tiles = {"default_moss.png", "default_permafrost.png",
+               {name = "default_permafrost.png^default_moss_side.png",
+                       tileable_vertical = false}},
+       groups = {cracky = 3},
+       drop = "default:permafrost",
+       sounds = default.node_sound_dirt_defaults({
+               footstep = {name = "default_grass_footstep", gain = 0.25},
+       }),
+})
+
 minetest.register_node("default:sand", {
        description = "Sand",
        tiles = {"default_sand.png"},

diff --git a/mods/default/textures/default_moss.png b/mods/default/textures/default_moss.png
new file mode 100644 (file)
index 0000000..479038e
Binary files /dev/null and b/mods/default/textures/default_moss.png differ

diff --git a/mods/default/textures/default_moss_side.png b/mods/default/textures/default_moss_side.png
new file mode 100644 (file)
index 0000000..4a20345
Binary files /dev/null and b/mods/default/textures/default_moss_side.png differ

diff --git a/mods/default/textures/default_permafrost.png b/mods/default/textures/default_permafrost.png
new file mode 100644 (file)
index 0000000..f1edbab
Binary files /dev/null and b/mods/default/textures/default_permafrost.png differ

diff --git a/mods/default/textures/default_stones.png b/mods/default/textures/default_stones.png
new file mode 100644 (file)
index 0000000..09c5ee1
Binary files /dev/null and b/mods/default/textures/default_stones.png differ