Improve mapgen, add grass, and include the fill tool.

mods/rgt_world/biomes.lua

@@ -0,0 +1,71 @@
+minetest.register_biome {
+    name = "forest",
+
+    node_top = "dirt_grass",
+    depth_top = 1,
+
+    node_filler = "dirt",
+    depth_filler = 5,
+
+    node_riverbed = "dirt",
+    depth_riverbed = 3,
+    
+    node_dungeon = "cobble",
+    node_dungeon_alt = "stone_brick_large",
+
+    
+    y_max = 3000,
+    y_min = 2,
+    vertical_blend = 2,
+
+    heat_point = 50,
+    humidity_point = 50,
+}
+
+minetest.register_biome {
+    name = "plains",
+
+    node_top = "dirt_grass",
+    depth_top = 1,
+
+    node_filler = "dirt",
+    depth_filler = 5,
+
+    node_riverbed = "dirt",
+    depth_riverbed = 3,
+    
+    node_dungeon = "cobble",
+    node_dungeon_alt = "stone_brick_large",
+
+    
+    y_max = 3000,
+    y_min = 2,
+    vertical_blend = 2,
+
+    heat_point = 50,
+    humidity_point = 30,
+}
+
+minetest.register_biome {
+    name = "beach",
+
+    node_top = "sand",
+    depth_top = 1,
+
+    node_filler = "sand",
+    depth_filler = 2,
+
+    node_riverbed = "sand",
+    depth_riverbed = 3,
+    
+    node_dungeon = "cobble",
+    node_dungeon_alt = "stone_brick_large",
+
+    
+    y_max = 1,
+    y_min = -3,
+    vertical_blend = 1,
+
+    heat_point = 50,
+    humidity_point = 50,
+}

mods/rgt_world/config.lua

@@ -0,0 +1,162 @@
+-- This file configures the Valleys mapgen settings to produce much larger-scale, more explorable terrain.
+-- These settings were originally posted by voxelproof on the Minetest forum: https://forum.luanti.org/viewtopic.php?p=336441#p336441
+
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_terrain_height", {
+    flags = "defaults",
+    lacunarity = 1,
+    offset = -10,
+    scale = 1000,
+    spread = vector.new(2048,2048,4096),
+    seed = 4541,
+    octaves = 6,
+    persistence = 0.45,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_inter_valley_slope", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0.5,
+    scale = 0.5,
+    spread = vector.new(128,128,1024),
+    seed = 746,
+    octaves = 1,
+    persistence = 1,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_inter_valley_fill", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 1,
+    spread = vector.new(256,512,256),
+    seed = 1993,
+    octaves = 6,
+    persistence = 0.8,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_filler_depth", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 1.2,
+    spread = vector.new(256,256,256),
+    seed = 1605,
+    octaves = 3,
+    persistence = 0.5,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_massive_caves", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 1,
+    spread = vector.new(512,256,256),
+    seed = 59033,
+    octaves = 6,
+    persistence = 0.63,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_cave2", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 23, -- 13
+    spread = vector.new(67,67,67),
+    seed = 10325,
+    octaves = 3,
+    persistence = 0.5,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_cave1", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 23, -- 13
+    spread = vector.new(61,61,61),
+    seed = 52534,
+    octaves = 3,
+    persistence = 0.3,
+}, true)
+--mgvalleys_cave_width = 0.01
+--mgvalleys_river_size = 2
+--mg_flags = caves, dungeons, light, decorations
+--chunksize = 5
+--mgvalleys_lava_features = 0
+--mg_name = valleys
+--mapgen_limit = 31000
+--water_level = 1
+--seed = 18446744073709545565
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_rivers", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 2,
+    spread = vector.new(512,512,128),
+    seed = -6050,
+    octaves = 5,
+    persistence = 0.6,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mg_biome_np_heat", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 50,
+    scale = 50,
+    spread = vector.new(1000,1000,1000),
+    seed = 5349,
+    octaves = 3,
+    persistence = 0.5,
+}, true)
+--mgvalleys_water_features = 0
+minetest.set_mapgen_setting_noiseparams("mg_biome_np_heat_blend", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 1.5,
+    spread = vector.new(8,8,8),
+    seed = 13,
+    octaves = 2,
+    persistence = 1,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mg_biome_np_humidity", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 50,
+    scale = 50,
+    spread = vector.new(1000,1000,1000),
+    seed = 842,
+    octaves = 3,
+    persistence = 0.5,
+}, true)
+minetest.set_mapgen_setting_noiseparams("mg_biome_np_humidity_blend", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0,
+    scale = 1.5,
+    spread = vector.new(8,8,8),
+    seed = 90003,
+    octaves = 2,
+    persistence = 1,
+}, true)
+minetest.set_mapgen_setting("mgvalleys_spflags", "altitude_chill, humid_rivers")
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_valley_depth", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 5,
+    scale = 4,
+    spread = vector.new(512,512,1024),
+    seed = -1914,
+    octaves = 1,
+    persistence = 1,
+}, true)
+minetest.set_mapgen_setting("mgvalleys_altitude_chill", 90)
+minetest.set_mapgen_setting_noiseparams("mgvalleys_np_valley_profile", {
+    flags = "defaults",
+    lacunarity = 2,
+    offset = 0.6,
+    scale = 0.5,
+    spread = vector.new(64,2048,1024),
+    seed = 777,
+    octaves = 1,
+    persistence = 1,
+}, true)
+--mgvalleys_large_cave_depth = -33
+--mgvalleys_massive_cave_depth = -256
+minetest.set_mapgen_setting("mgvalleys_river_depth", 0, true)
+
+-- This ensures both that caverns are appropriately hard to reach and that they won't be reached on a large scale by oceans.
+minetest.set_mapgen_setting("mgvalleys_cavern_limit", -1400, true)
+

mods/rgt_world/init.lua

@@ -40,7 +40,7 @@ rgt.register_node("stone_tile", {
 rgt.register_node("cobble", {
     tiles = {"rgt_cobble.png"},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {stone = 1}
 })
 
 rgt.register_node("dirt", {
@@ -54,11 +54,122 @@ rgt.register_node("dirt_mossy", {
 })
 
 rgt.register_node("dirt_grass", {
-    tiles = {"rgt_grass_top.png", "rgt_dirt.png", "rgt_dirt.png^rgt_grass_side.png"},
+    paramtype2 = "color",
+    tiles = {"rgt_grass_top.png", {name = "rgt_dirt.png", color = "#fff"}, {name = "rgt_dirt.png^rgt_grass_side_shadow.png", color = "#fff"}},
+    overlay_tiles = {"", "", "rgt_grass_side.png"},
+    palette = "rgt_palette_grass.png",
+    on_construct = function(pos)
+        
+    end,
 --    tiles = {"[fill:16x16:0,0:#3e7e7b^[fill:14x14:1,1:#326764"},
     groups = {dig_immediate = 3}
 })
 
+-- Grass
+for i = 1, 3 do
+    rgt.register_node("grass_"..i, {
+        drawtype = "plantlike",
+        paramtype = "light",
+        paramtype2 = "meshoptions",
+        place_param2 = 2,
+        sunlight_propagates = false,
+        tiles = {"rgt_grass_"..i..".png"},
+        groups = {attached_node = 3, dig_immediate = 3},
+        walkable = false,
+        selection_box = {
+            type = "fixed",
+            fixed = {
+                -6/16, -0.5, -6/16,
+                6/16, 6/16, 6/16
+            }
+        }
+    })
+end
+
+-- Tall grass
+rgt.register_node("grass_tall_bottom", {
+    drawtype = "plantlike",
+    paramtype = "light",
+    paramtype2 = "meshoptions",
+    place_param2 = 2,
+    sunlight_propagates = false,
+    tiles = {"rgt_grass_tall.png^[verticalframe:2:1"},
+    groups = {attached_node = 3, dig_immediate = 3},
+    walkable = false,
+    selection_box = {
+        type = "fixed",
+        fixed = {
+            -6/16, -0.5, -6/16,
+            6/16, 0.5, 6/16
+        }
+    },
+    node_placement_prediction = "",
+    after_destruct = function(pos)
+        local above = pos:offset(0, 1, 0)
+        local na = minetest.get_node(above)
+        if na.name:find "grass_tall_top" then
+            minetest.remove_node(above)
+        end
+    end,
+    on_place = function(s, p, pt)
+        if pt.type ~= "node" then return end
+        
+        local target = pt.above
+        
+        if not minetest.get_node(target:offset(0, -1, 0)).name:find "dirt_grass" then
+            return
+        end
+        
+        local above = target:offset(0, 1, 0)
+        if minetest.get_node(above).name == "air" then
+            minetest.set_node(target, {name = "grass_tall_bottom", param2 = 2})
+            minetest.set_node(above, {name = "grass_tall_top", param2 = 2})
+            s:take_item()
+            return s
+        end
+    end
+})
+
+rgt.register_node("grass_tall_top", {
+    drawtype = "plantlike",
+    paramtype = "light",
+    paramtype2 = "meshoptions",
+    place_param2 = 2,
+    sunlight_propagates = false,
+    tiles = {"rgt_grass_tall.png^[verticalframe:2:0"},
+    groups = {dig_immediate = 3},
+    walkable = false,
+    selection_box = {
+        type = "fixed",
+        fixed = {
+            -6/16, -0.5, -6/16,
+            6/16, 6/16, 6/16
+        }
+    },
+    drop = "grass_tall_bottom",
+    after_destruct = function(pos)
+        local below = pos:offset(0, -1, 0)
+        local nb = minetest.get_node(below)
+        if nb.name:find "grass_tall_bottom" then
+            minetest.remove_node(below)
+        end
+    end,
+})
+
+-- TODO: Tall grass
+--rgt.register_node("tall_grass", {
+--    drawtype = "mesh",
+--    mesh = "rgt_plantlike_1x1x2.obj",
+--    use_texture_alpha = "clip",
+--    paramtype = "light",
+--    sunlight_propagates = false,
+--    tiles = {"rgt_grass_tall.png"},
+--    groups = {dig_immediate = 3},
+--    walkable = false
+--})
+
+
+
 rgt.register_node("path_grass", {
     drawtype = "nodebox",
     node_box = {
@@ -91,43 +202,43 @@ rgt.register_node("oak_leaves", {
     drawtype = "allfaces",
     tiles = {"rgt_oak_leaves.png"},
     use_texture_alpha = "clip",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("oak_planks", {
     tiles = {{name = "rgt_oak_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("dark_planks", {
     tiles = {{name = "rgt_dark_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("spruce_planks", {
     tiles = {{name = "rgt_spruce_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("acacia_planks", {
     tiles = {{name = "rgt_acacia_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("redwood_planks", {
     tiles = {{name = "rgt_redwood_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 rgt.register_node("birch_planks", {
     tiles = {{name = "rgt_birch_planks.png", align_style = "world"}},
     _variants = "all",
-    groups = {dig_immediate = 3}
+    groups = {dig_immediate = 3},
 })
 
 
@@ -149,6 +260,13 @@ rgt.register_node("glass", {
 --}
 
 
+rgt.register_node("basalt", {
+    tiles = {{name = "rgt_basalt.png", align_style = "world"}},
+    _variants = "all",
+    groups = {dig_immediate = 3},
+})
+
+
 rgt.register_node("water", {
     tiles = {"[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33"},
     groups = {dig_immediate = 3},
@@ -158,6 +276,7 @@ rgt.register_node("water", {
     walkable = false,
     climbable = true,
     post_effect_color = "#2d5a7c55",
+    is_ground_content = false,
     
     liquidtype = "source",
     -- Minetest pro tip: Do not try to use aliases for these.
@@ -178,6 +297,7 @@ rgt.register_node("water_flowing", {
     walkable = false,
     climbable = true,
     post_effect_color = "#2d5a7c55",
+    is_ground_content = false,
     
     liquidtype = "flowing",
     liquid_alternative_source = "red_glazed_terracotta:water",
@@ -230,6 +350,35 @@ minetest.register_alias("mapgen_water_source", "red_glazed_terracotta:water")
 minetest.register_alias("mapgen_river_water_source", "red_glazed_terracotta:river_water")
 
 
+--[[
+
+Biomes to add:
+
+[Temperate]
+Steppe
+Moor
+Plains
+Light Deciduous Forest
+Dark Deciduous Forest
+
+[Cold]
+Alpine
+Glacier
+Taiga
+Tundra
+Coniferous Forest
+
+[Warm]
+Desert
+Badlands
+Jungle
+Swamp
+Marsh
+
+--]]
+
+include "biomes.lua"
+
 
 rgt.register_node("light", {
     tiles = {"[fill:1x1:0,0:#fed"},
@@ -247,62 +396,80 @@ minetest.register_ore {
     clust_size = 1
 }
 
-
---minetest.register_decoration {
---    deco_type = "schematic",
---    place_on = "dirt_grass",
---    biomes = {"forest"},
---    y_min = 1,
---    fill_ratio = 0.01,
---    schematic = minetest.get_modpath(minetest.get_current_modname()).."/schems/tree.mts",
---    flags = "place_center_x, place_center_z",
---    place_offset_y = 1,
---}
-
-minetest.register_biome{
-    name = "plains",
-
-    node_top = "dirt_grass",
-    depth_top = 1,
-
-    node_filler = "dirt",
-    depth_filler = 5,
-
-    node_riverbed = "dirt",
-    depth_riverbed = 3,
-    
-    node_dungeon = "cobble",
-    node_dungeon_alt = "stone_brick_large",
-
-    
-    y_max = 3000,
-    y_min = 2,
-    vertical_blend = 2,
-
-    heat_point = 50,
-    humidity_point = 50,
+minetest.register_decoration {
+    deco_type = "schematic",
+    place_on = "dirt_grass",
+    biomes = {"forest"},
+    y_min = 1,
+    y_max = 8000,
+    fill_ratio = 0.01,
+    schematic = minetest.get_modpath(minetest.get_current_modname()).."/schems/tree.mts",
+    flags = "place_center_x, place_center_z",
+    place_offset_y = 1,
 }
 
-minetest.register_biome{
-    name = "beach",
+minetest.register_decoration {
+    deco_type = "schematic",
+    place_on = "dirt_grass",
+    biomes = {"plains"},
+    y_min = 1,
+    noise_params = {
+        offset = 0,
+        scale = 0.25,
+        spread = {x = 8, y = 8, z = 8},
+        seed = 3456789,
+        octaves = 4,
+        persist = 0.6,
+        lacunarity = 3,
+    },
+--    fill_ratio = 0.1,
+    schematic = {
+        size = {x = 1, y = 2, z = 1},  -- 1×2×1
+        data = {
+            {name = "grass_tall_bottom", prob = 255, param2 = 2},
+            {name = "grass_tall_top", prob = 255, param2 = 2},
+        },
+    },
+    place_offset_y = 1,
+}
 
-    node_top = "sand",
-    depth_top = 1,
+minetest.register_decoration {
+    deco_type = "simple",
+    place_on = "dirt_grass",
+    biomes = {"forest", "plains"},
+    decoration = {"grass_1", "grass_2", "grass_3"},
+    param2 = 2,
+    y_min = 1,
+    fill_ratio = 0.2,
+}
 
-    node_filler = "sand",
-    depth_filler = 2,
+minetest.override_item("", {
+    on_place = function(s, p, pt)
+        if minetest.get_node(pt.under).name:find "dirt_grass" then
+            minetest.set_node(pt.under, {name = "path_grass"})
+        end
+--        minetest.spawn_tree(pt.above, {
+--            axiom = "TF[FFA]",
+--            rules_a = "F",
+--            trunk = "oak_log",
+--            leaves = "oak_leaves",
+--            angle = 30,
+--            iterations = 2,
+--            random_level = 0,
+--            trunk_type = "single",
+----            thin_branches = true,
+--            fruit_chance = 0,
+--            fruit = "stone_brick"
+--        })
+    end
+})
 
-    node_riverbed = "sand",
-    depth_riverbed = 3,
-    
-    node_dungeon = "cobble",
-    node_dungeon_alt = "stone_brick_large",
+minetest.register_chatcommand("biome", {
+    func = function(name)
+        tell(name, minetest.get_biome_name(minetest.get_biome_data(minetest.get_player_by_name(name):get_pos()).biome))
+    end
+})
 
-    
-    y_max = 1,
-    y_min = -3,
-    vertical_blend = 1,
+include "config.lua"
 
-    heat_point = 50,
-    humidity_point = 50,
-}
+--minetest.register_mapgen_script(minetest.get_modpath(minetest.get_current_modname()).."/mapgen.lua")

mods/rgt_world/mapgen.lua

@@ -0,0 +1,14 @@
+
+local c = minetest.get_content_id
+
+local c_stone = c "stone"
+
+local np_continental = {
+    offset = 0,
+    scale = 1,
+    spread = {x = 4096, y = 4096, z = 4096},
+    seed = 12345,
+    octaves = 4,
+    persist = 0.6
+}
+local n_terrain = {}

mods/rgt_world/variants.lua

@@ -11,7 +11,8 @@ function ns.register_slab(def)
             fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}
         },
         paramtype = "light",
-        paramtype2 = "facedir"
+        paramtype2 = "facedir",
+        _variant = "slab"
     }))
 end
 
@@ -61,7 +62,8 @@ function ns.register_stair(def)
             fixed = {{-0.5, -0.5, -0.5, 0.5, 0, 0.5}, {-0.5, -0.5, 0, 0.5, 0.5, 0.5}}
         },
         paramtype = "light",
-        paramtype2 = "facedir"
+        paramtype2 = "facedir",
+        _variant = "stair",
     }))
 
     rgt.register_node(def._name.."_stair_inner", extend(table.copy(def), {
@@ -71,7 +73,8 @@ function ns.register_stair(def)
             fixed = {{-0.5, -0.5, -0.5, 0.5, 0, 0.5}, {-0.5, -0.5, 0, 0.5, 0.5, 0.5}, {-0.5, -0.5, -0.5, 0, 0.5, 0.5}}
         },
         paramtype = "light",
-        paramtype2 = "facedir"
+        paramtype2 = "facedir",
+        _variant = "stair_inner",
     }))
 
     rgt.register_node(def._name.."_stair_outer", extend(def, {
@@ -81,7 +84,8 @@ function ns.register_stair(def)
             fixed = {{-0.5, -0.5, -0.5, 0.5, 0, 0.5}, {-0.5, -0.5, 0.5, 0, 0.5, 0}}
         },
         paramtype = "light",
-        paramtype2 = "facedir"
+        paramtype2 = "facedir",
+        _variant = "stair_outer",
     }))
 end