Biomes: Add vertical biome blends (#2120)

Alter a few biome y-limits for consistency.

diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index 8b1c9574381dbdf2755e46908aa34490c9573745..dfe03f58d35208c6a4aff7ddd4c0a491acf22397 100644 (file)
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -953,7 +953,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:gravel",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 49,
+               y_min = 47,
                heat_point = 0,
                humidity_point = 40,
        })
@@ -966,7 +966,8 @@ function default.register_biomes(upper_limit)
                depth_filler = 1,
                node_riverbed = "default:gravel",
                depth_riverbed = 2,
-               y_max = 48,
+               vertical_blend = 4,
+               y_max = 46,
                y_min = 2,
                heat_point = 0,
                humidity_point = 40,
@@ -980,6 +981,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 2,
                node_riverbed = "default:gravel",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = 1,
                y_min = -3,
                heat_point = 0,
@@ -994,6 +996,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:gravel",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = -4,
                y_min = -112,
                heat_point = 0,
@@ -1012,7 +1015,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:sand",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 2,
+               y_min = 4,
                heat_point = 25,
                humidity_point = 70,
        })
@@ -1025,7 +1028,8 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
-               y_max = 1,
+               vertical_blend = 1,
+               y_max = 3,
                y_min = -112,
                heat_point = 25,
                humidity_point = 70,
@@ -1043,7 +1047,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:sand",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 5,
+               y_min = 4,
                heat_point = 20,
                humidity_point = 35,
        })
@@ -1056,7 +1060,8 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
-               y_max = 4,
+               vertical_blend = 1,
+               y_max = 3,
                y_min = -112,
                heat_point = 20,
                humidity_point = 35,
@@ -1086,6 +1091,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 2,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = 5,
                y_min = 4,
                heat_point = 50,
@@ -1130,6 +1136,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = 5,
                y_min = 4,
                heat_point = 45,
@@ -1188,6 +1195,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = -2,
                y_min = -112,
                heat_point = 60,
@@ -1206,7 +1214,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:sand",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 5,
+               y_min = 4,
                heat_point = 92,
                humidity_point = 16,
        })
@@ -1220,7 +1228,8 @@ function default.register_biomes(upper_limit)
                node_stone = "default:desert_stone",
                node_riverbed = "default:sand",
                depth_riverbed = 2,
-               y_max = 4,
+               vertical_blend = 1,
+               y_max = 3,
                y_min = -112,
                heat_point = 92,
                humidity_point = 16,
@@ -1238,7 +1247,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:sand",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 5,
+               y_min = 4,
                heat_point = 60,
                humidity_point = 0,
        })
@@ -1252,7 +1261,7 @@ function default.register_biomes(upper_limit)
                node_stone = "default:sandstone",
                node_riverbed = "default:sand",
                depth_riverbed = 2,
-               y_max = 4,
+               y_max = 3,
                y_min = -112,
                heat_point = 60,
                humidity_point = 0,
@@ -1269,7 +1278,7 @@ function default.register_biomes(upper_limit)
                node_riverbed = "default:sand",
                depth_riverbed = 2,
                y_max = upper_limit,
-               y_min = 5,
+               y_min = 4,
                heat_point = 40,
                humidity_point = 0,
        })
@@ -1282,7 +1291,8 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
-               y_max = 4,
+               vertical_blend = 1,
+               y_max = 3,
                y_min = -112,
                heat_point = 40,
                humidity_point = 0,
@@ -1326,6 +1336,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = -2,
                y_min = -112,
                heat_point = 89,
@@ -1370,6 +1381,7 @@ function default.register_biomes(upper_limit)
                depth_filler = 3,
                node_riverbed = "default:sand",
                depth_riverbed = 2,
+               vertical_blend = 1,
                y_max = -2,
                y_min = -112,
                heat_point = 86,
@@ -1719,7 +1731,7 @@ function default.register_decorations()
                },
                biomes = {"taiga", "coniferous_forest", "floatland_coniferous_forest"},
                y_max = 31000,
-               y_min = 2,
+               y_min = 4,
                schematic = minetest.get_modpath("default") .. "/schematics/pine_tree.mts",
                flags = "place_center_x, place_center_z",
        })
@@ -1739,7 +1751,7 @@ function default.register_decorations()
                },
                biomes = {"taiga", "coniferous_forest", "floatland_coniferous_forest"},
                y_max = 31000,
-               y_min = 2,
+               y_min = 4,
                schematic = minetest.get_modpath("default") .. "/schematics/small_pine_tree.mts",
                flags = "place_center_x, place_center_z",
        })
@@ -1752,7 +1764,7 @@ function default.register_decorations()
                fill_ratio = 0.0018,
                biomes = {"taiga", "coniferous_forest", "floatland_coniferous_forest"},
                y_max = 31000,
-               y_min = 1,
+               y_min = 4,
                schematic = minetest.get_modpath("default") .. "/schematics/pine_log.mts",
                flags = "place_center_x",
                rotation = "random",
@@ -1862,7 +1874,7 @@ function default.register_decorations()
                },
                biomes = {"desert"},
                y_max = 31000,
-               y_min = 5,
+               y_min = 4,
                schematic = minetest.get_modpath("default") .. "/schematics/large_cactus.mts",
                flags = "place_center_x",
                rotation = "random",
@@ -1885,7 +1897,7 @@ function default.register_decorations()
                },
                biomes = {"desert"},
                y_max = 31000,
-               y_min = 5,
+               y_min = 4,
                decoration = "default:cactus",
                height = 2,
                height_max = 5,
@@ -2033,7 +2045,7 @@ function default.register_decorations()
                        flags = "absvalue"
                },
                biomes = {"coniferous_forest_dunes", "grassland_dunes"},
-               y_max = 5,
+               y_max = 6,
                y_min = 4,
                decoration = {
                        "default:marram_grass_1",
@@ -2057,7 +2069,7 @@ function default.register_decorations()
                        persist = 1.0
                },
                biomes = {"tundra"},
-               y_max = 48,
+               y_max = 50,
                y_min = 2,
                decoration = "default:permafrost_with_moss",
                place_offset_y = -1,
@@ -2083,7 +2095,7 @@ function default.register_decorations()
                        persist = 1.0
                },
                biomes = {"tundra"},
-               y_max = 48,
+               y_max = 50,
                y_min = 2,
                decoration = "default:snow",
        })