Biomes: Tune v5/v7 biomes and v5/v6/v7 mushroom distribution

More complex distribution of dry grasses
Remove water below glacier rivers
Gravel as glacier seabed
Do not force-place acacia root
Tune acacia tree density
Match mgv5/v7 mushrooms to tree density
Spawn mgv6 mushrooms by trees

diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index 660e0a12d9d17159813b328e1126f254c8901dbf..661c8a0cb1cfa8a438843a579c2871d721749993 100644 (file)
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -330,9 +330,9 @@ function default.register_biomes()
                depth_filler = 3,
                node_stone = "default:ice",
                node_water_top = "default:ice",
-               depth_water_top = 8,
+               depth_water_top = 10,
                --node_water = "",
-               y_min = -6,
+               y_min = -8,
                y_max = 31000,
                heat_point = -5,
                humidity_point = 50,
@@ -341,16 +341,16 @@ function default.register_biomes()
        minetest.register_biome({
                name = "glacier_ocean",
                node_dust = "default:snowblock",
-               node_top = "default:sand",
+               node_top = "default:gravel",
                depth_top = 1,
-               node_filler = "default:sand",
+               node_filler = "default:gravel",
                depth_filler = 2,
                --node_stone = "",
                --node_water_top = "",
                --depth_water_top = ,
                --node_water = "",
                y_min = -112,
-               y_max = -7,
+               y_max = -9,
                heat_point = -5,
                humidity_point = 50,
        })
@@ -734,7 +734,7 @@ function default.register_mgv6_decorations()
                y_max = 1,
                decoration = "default:papyrus",
                height = 2,
-               height_max = 4,
+               height_max = 4,
                spawn_by = "default:water_source",
                num_spawn_by = 1,
        })
@@ -828,14 +828,14 @@ local function register_grass_decoration(offset, scale, length)
        })
 end
 
-local function register_dry_grass_decoration(length)
+local function register_dry_grass_decoration(offset, scale, length)
        minetest.register_decoration({
                deco_type = "simple",
                place_on = {"default:dirt_with_dry_grass"},
                sidelen = 16,
                noise_params = {
-                       offset = 0.04,
-                       scale = 0.02,
+                       offset = offset,
+                       scale = scale,
                        spread = {x=200, y=200, z=200},
                        seed = 329,
                        octaves = 3,
@@ -914,8 +914,8 @@ function default.register_decorations()
                place_on = {"default:dirt_with_dry_grass"},
                sidelen = 80,
                noise_params = {
-                       offset = 0.001,
-                       scale = 0.0015,
+                       offset = 0,
+                       scale = 0.003,
                        spread = {x=250, y=250, z=250},
                        seed = 2,
                        octaves = 3,
@@ -1003,11 +1003,11 @@ function default.register_decorations()
 
        -- Dry grasses
 
-       register_dry_grass_decoration(5)
-       register_dry_grass_decoration(4)
-       register_dry_grass_decoration(3)
-       register_dry_grass_decoration(2)
-       register_dry_grass_decoration(1)
+       register_dry_grass_decoration(0.01, 0.05,  5)
+       register_dry_grass_decoration(0.03, 0.03,  4)
+       register_dry_grass_decoration(0.05, 0.01,  3)
+       register_dry_grass_decoration(0.07, -0.01, 2)
+       register_dry_grass_decoration(0.09, -0.03, 1)
 
        -- Junglegrass
 

diff --git a/mods/default/schematics/acacia_tree.mts b/mods/default/schematics/acacia_tree.mts
index 986c022d62329b17994681cb1c9e18584b4002cf..43e7867a4f1262815fad4e05f1ccd3868ee5ed6f 100644 (file)
Binary files a/mods/default/schematics/acacia_tree.mts and b/mods/default/schematics/acacia_tree.mts differ

diff --git a/mods/flowers/mapgen.lua b/mods/flowers/mapgen.lua
index 5efea1fe606e2cc132835272d7a6b36f1c41c1b7..e2260a929301ee2d74d576bcae24952331d78d21 100644 (file)
--- a/mods/flowers/mapgen.lua
+++ b/mods/flowers/mapgen.lua
@@ -1,4 +1,6 @@
+--
 -- Mgv6
+--
 
 local function register_mgv6_flower(name)
        minetest.register_decoration({
@@ -26,7 +28,7 @@ local function register_mgv6_mushroom(name)
                sidelen = 16,
                noise_params = {
                        offset = 0,
-                       scale = 0.006,
+                       scale = 0.04,
                        spread = {x=100, y=100, z=100},
                        seed = 7133,
                        octaves = 3,
@@ -35,6 +37,8 @@ local function register_mgv6_mushroom(name)
                y_min = 1,
                y_max = 30,
                decoration = "flowers:"..name,
+               spawn_by = "default:tree",
+               num_spawn_by = 1,
        })
 end
 
@@ -50,7 +54,10 @@ function flowers.register_mgv6_decorations()
        register_mgv6_mushroom("mushroom_red")
 end
 
--- All other biome API mapgens (not singlenode)
+
+--
+-- All other biome API mapgens
+--
 
 local function register_flower(seed, name)
        minetest.register_decoration({
@@ -86,9 +93,9 @@ local function register_mushroom(name)
                        offset = 0,
                        scale = 0.006,
                        spread = {x=200, y=200, z=200},
-                       seed = 7133,
+                       seed = 2,
                        octaves = 3,
-                       persist = 0.6
+                       persist = 0.66
                },
                biomes = {"deciduous_forest", "coniferous_forest"},
                y_min = 6,
@@ -109,7 +116,10 @@ function flowers.register_decorations()
        register_mushroom("mushroom_red")
 end
 
+
+--
 -- Detect mapgen to select functions
+--
 
 -- Mods using singlenode mapgen can call these functions to enable
 -- the use of minetest.generate_ores or minetest.generate_decorations