Simple biomes for mgv5/mgv7. Uses get_mapgen_params

diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index 386ba417010008dcd19091075d03404206cc6447..25eb8f8e21b35450a3b9c378fc99f8168d7bc880 100644 (file)
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -400,17 +400,8 @@ function default.mgv6_ongen(minp, maxp, seed)
                end
                end
        end
-end
 
---
--- Detect mapgen and register suitable on-generated function
---
-
-minetest.register_on_mapgen_init(function(mg_params)
-       if mg_params.mgname == "v6" then
-               minetest.register_on_generated(default.mgv6_ongen)
-       end
-end)
+end
 
 --
 -- Generate nyan cats in all mapgens
@@ -465,3 +456,256 @@ function default.generate_nyancats(minp, maxp, seed)
 end
 
 minetest.register_on_generated(default.generate_nyancats)
+
+--
+-- Register biomes
+--
+
+function default.register_biomes()
+
+       minetest.clear_registered_biomes()
+
+       -- Temperate biomes
+
+       minetest.register_biome({
+               name = "grassland",
+               node_top = "default:dirt_with_grass",
+               node_shore_top = "default:sand",
+               depth_top = 1,
+               node_filler = "default:dirt",
+               node_shore_filler = "default:sand",
+               depth_filler = 2,
+               height_shore = 3,
+               node_underwater = "default:sand",
+               --node_stone = "",
+               --node_water_top = "",
+               --depth_water_top = ,
+               --node_water = "",
+               --node_dust = "",
+               y_min = -32000,
+               y_max = 32000,
+               heat_point = 50,
+               humidity_point = 50,
+       })
+       
+       --
+       -- Register decorations
+       --
+       
+       -- Grassland
+       
+       -- Flowers
+
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 436,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:rose",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 19822,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:tulip",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 1220999,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:dandelion_yellow",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 36662,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:geranium",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 1133,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:viola",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.015,
+                       scale = 0.03,
+                       spread = {x=100, y=100, z=100},
+                       seed = 73133,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "flowers:dandelion_white",
+       })
+       
+       -- Grasses
+
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = 0.04,
+                       scale = 0.08,
+                       spread = {x=100, y=100, z=100},
+                       seed = 66440,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "default:grass_1",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = 0.02,
+                       scale = 0.08,
+                       spread = {x=100, y=100, z=100},
+                       seed = 66440,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "default:grass_2",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = 0,
+                       scale = 0.08,
+                       spread = {x=100, y=100, z=100},
+                       seed = 66440,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "default:grass_3",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.02,
+                       scale = 0.08,
+                       spread = {x=100, y=100, z=100},
+                       seed = 66440,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "default:grass_4",
+       })
+       
+       minetest.register_decoration({
+               deco_type = "simple",
+               place_on = {"default:dirt_with_grass"},
+               sidelen = 16,
+               noise_params = {
+                       offset = -0.04,
+                       scale = 0.08,
+                       spread = {x=100, y=100, z=100},
+                       seed = 66440,
+                       octaves = 3,
+                       persist = 0.6
+               },
+               biomes = {"grassland"},
+               y_min = -32000,
+               y_max = 32000,
+               decoration = "default:grass_5",
+       })
+       
+end
+
+--
+-- Detect mapgen and select suitable biome code
+--
+
+local mg_params = minetest.get_mapgen_params()
+if mg_params.mgname == "v6" then
+       minetest.register_on_generated(default.mgv6_ongen)
+else
+       default.register_biomes()
+end
+