Camas/mods/default/mapgen.lua
2015-09-01 08:15:24 -07:00

439 lines
12 KiB
Lua

-- minetest/default/mapgen.lua
--
-- Aliases for map generator outputs
--
minetest.register_alias("mapgen_stone", "default:stone")
minetest.register_alias("mapgen_tree", "default:tree")
minetest.register_alias("mapgen_leaves", "default:leaves")
minetest.register_alias("mapgen_apple", "default:apple")
minetest.register_alias("mapgen_water_source", "default:water_source")
minetest.register_alias("mapgen_river_water_source", "default:water_source")
minetest.register_alias("mapgen_dirt", "default:dirt")
minetest.register_alias("mapgen_sand", "default:sand")
minetest.register_alias("mapgen_desert_sand", "default:sand")
minetest.register_alias("mapgen_desert_stone", "default:sandstone")
minetest.register_alias("mapgen_gravel", "default:gravel")
minetest.register_alias("mapgen_cobble", "default:cobble")
minetest.register_alias("mapgen_mossycobble", "default:reinforced_cobble")
minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
minetest.register_alias("mapgen_junglegrass", "default:grass")
minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal")
minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron")
minetest.register_alias("mapgen_mese", "default:block_steel")
minetest.register_alias("mapgen_stair_cobble", "default:reinforced_frame")
minetest.register_alias("mapgen_lava_source", "default:water_source")
--
-- Ore generation
--
minetest.register_ore(
{
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 8*8*8,
clust_num_ores = 6,
clust_size = 4,
height_min = -128,
height_max = 32,
})
minetest.register_ore(
{
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 8*8*8,
clust_num_ores = 20,
clust_size = 10,
height_min = -128,
height_max = -32,
})
minetest.register_ore(
{
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 8*8*8,
clust_num_ores = 6,
clust_size = 4,
height_min = -128,
height_max = 0,
})
minetest.register_ore(
{
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 8*8*8,
clust_num_ores = 20,
clust_size = 10,
height_min = -128,
height_max = -32,
})
minetest.register_ore(
{
ore_type = "blob",
ore = "default:block_steel",
wherein = "default:stone",
clust_scarcity = 8*8*8,
clust_num_ores = 10,
clust_size = 10,
height_min = -128,
height_max = -64,
})
function default.make_papyrus(pos, size)
for y=0,size-1 do
local p = {x=pos.x, y=pos.y+y, z=pos.z}
local nn = minetest.get_node(p).name
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
minetest.set_node(p, {name="default:papyrus"})
else
return
end
end
end
function default.make_cactus(pos, size)
for y=0,size-1 do
local p = {x=pos.x, y=pos.y+y, z=pos.z}
local nn = minetest.get_node(p).name
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
minetest.set_node(p, {name="default:cactus"})
else
return
end
end
end
function default.mgv6_ongen(minp, maxp, seed)
-- Generate cactuses
local perlin1 = minetest.get_perlin(230, 3, 0.6, 100)
-- Assume X and Z lengths are equal
local divlen = 16
local divs = (maxp.x-minp.x)/divlen+1;
for divx=0,divs-1 do
for divz=0,divs-1 do
local x0 = minp.x + math.floor((divx+0)*divlen)
local z0 = minp.z + math.floor((divz+0)*divlen)
local x1 = minp.x + math.floor((divx+1)*divlen)
local z1 = minp.z + math.floor((divz+1)*divlen)
-- Determine cactus amount from perlin noise
local cactus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 6 - 3)
-- Find random positions for cactus based on this random
local pr = PseudoRandom(seed+1)
for i=0,cactus_amount do
local x = pr:next(x0, x1)
local z = pr:next(z0, z1)
-- Find ground level (0...15)
local ground_y = nil
for y=30,0,-1 do
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
ground_y = y
break
end
end
if (ground_y and ground_y > 10) and minetest.get_node({x=x,y=ground_y,z=z}).name == "default:sand" then
default.make_cactus({x=x,y=ground_y+1,z=z}, pr:next(2, 3))
end
end
end
end
local pr = PseudoRandom(seed+541)
for x=minp.x,maxp.x do
for z=minp.z,maxp.z do
local perlin1=((minetest.get_perlin(5123, 3, 0.6, 1):get2d({x=x*0.03, y=z*0.03}) * 0.5) + 0.5)*60
if pr:next(0, 15) > perlin1 then
local ground_y = nil
for y=2,0,-1 do
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
ground_y = y
break
end
end
local pos={x=x, y=ground_y, z=z}
if (ground_y and ground_y < 20) and minetest.get_node(pos).name == "default:sand" then
if minetest.find_node_near(pos, 3, {"group:water"}) then
default.make_papyrus({x=pos.x, y=pos.y+1, z=pos.z}, pr:next(1, 3))
end
end
end
local perlin2=((minetest.get_perlin(8175, 12, 0.8, 0.7):get2d({x=x*0.025, y=z*0.025}) * 0.5) + 0.5)*1000
if pr:next(0, 15) > perlin2 then
local ground_y = nil
for y=30,0,-1 do
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
ground_y = y
break
end
end
if ground_y ~= nil then
local p = {x = x, y = ground_y+1, z = z}
local nn=minetest.get_node(p).name
if minetest.registered_nodes[nn] and
minetest.registered_nodes[nn].buildable_to then
nn = minetest.get_node({x=x,y=ground_y,z=z}).name
if nn == "default:dirt_with_grass" then
if pr:next(0, 100) < 1 then
minetest.set_node(p, {name = "farming:wheat_4"})
else
minetest.set_node(p, {name = "default:grass"})
end
elseif nn == "default:sand" and pr:next(0, 300) < 1 then
minetest.set_node(p, {name = "farming:cotton_4"})
end
end
end
end
end
end
end
local mg_params = minetest.get_mapgen_params()
if mg_params.mgname == "v6" then
default.log("please use v5 or v7 mapgen instead; v6 mapgen may not work and is not supported.", "warning")
-- minetest.register_on_generated(default.mgv6_ongen)
end
--
-- Biome setup
--
minetest.clear_registered_biomes()
-- Biomes
minetest.register_biome(
{
name = "Forest",
node_top = "default:dirt_with_grass", depth_top = 1,
node_filler = "default:dirt", depth_filler = 6,
node_underwater = "default:dirt",
node_shore_top = "default:sand",
node_shore_filler = "default:sandstone", height_shore = 0,
y_min = 10, y_max = 200,
heat_point = 30, humidity_point = 40,
})
minetest.register_biome(
{
name = "Grassland Ocean",
node_top = "default:sand", depth_top = 3,
node_filler = "default:dirt", depth_filler = 1,
node_underwater = "default:dirt",
node_shore_top = "default:sand",
node_shore_filler = "default:sand", height_shore = 0,
y_min = -32000, y_max = 2,
heat_point = 50, humidity_point = 35,
})
minetest.register_biome(
{
name = "Grassland",
node_top = "default:dirt_with_grass", depth_top = 1,
node_filler = "default:dirt", depth_filler = 3,
node_underwater = "default:dirt",
node_shore_top = "default:sand",
node_shore_filler = "default:sand", height_shore = 0,
y_min = 3, y_max = 32000,
heat_point = 50, humidity_point = 35,
})
minetest.register_biome(
{
name = "Desert",
node_top = "default:sand", depth_top = 3,
node_filler = "default:sandstone", depth_filler = 8,
node_underwater = "default:dirt",
node_shore_top = "default:sand",
node_shore_filler = "default:sand", height_shore = 0,
y_min = -32000, y_max = 32000,
heat_point = 80, humidity_point = 10,
})
-- Decorations
minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
fill_ratio = 0.005,
biomes = {"Grassland"},
flags = "place_center_x, place_center_z",
schematic = minetest.get_modpath("default").."/schematics/default_tree.mts",
y_min = -32000,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
fill_ratio = 0.009,
biomes = {"Forest"},
flags = "place_center_x, place_center_z",
replacements = {["default:leaves"] = "default:leaves_oak", ["default:tree"] = "default:tree_oak", ["default:apple"] = "air"},
schematic = minetest.get_modpath("default").."/schematics/default_tree.mts",
y_min = -32000,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
fill_ratio = 0.004,
biomes = {"Forest"},
flags = "place_center_x, place_center_z",
replacements = {["default:leaves"] = "default:leaves_birch", ["default:tree"] = "default:tree_birch", ["default:apple"] = "air"},
schematic = minetest.get_modpath("default").."/schematics/default_squaretree.mts",
y_min = -32000,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
sidelen = 16,
fill_ratio = 0.008,
biomes = {"Forest"},
flags = "place_center_x, place_center_z",
schematic = minetest.get_modpath("default").."/schematics/default_megatree.mts",
y_min = -32000,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:sand",
spawn_by = "default:water_source",
num_spawn_by = 2,
sidelen = 16,
fill_ratio = 0.07,
biomes = {"Grassland Ocean"},
decoration = {"default:papyrus"},
height = 2,
height_max = 3,
y_min = 0,
y_max = 5,
})
minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:dirt_with_grass",
sidelen = 16,
fill_ratio = 0.15,
biomes = {"Grassland", "Forest"},
decoration = {"default:grass"},
y_min = 0,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:dirt_with_grass",
sidelen = 16,
fill_ratio = 0.08,
biomes = {"Forest"},
decoration = {"default:tall_grass"},
y_min = 0,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:dirt_with_grass",
sidelen = 16,
fill_ratio = 0.006,
biomes = {"Grassland"},
decoration = {"farming:wheat_4"},
y_min = 0,
y_max = 32000,
})
minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:sand",
sidelen = 16,
fill_ratio = 0.004,
biomes = {"Desert"},
decoration = {"farming:cotton_4"},
y_min = 0,
y_max = 32000,
})
--[[minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:dirt_with_grass"},
noise_params = {
offset = 0.03,
scale = 0.03,
spread = {x = 2000, y = 4000, z = 2000},
seed = 2442,
octaves = 1,
persist = 0.01,
},
sidelen = 16,
fill_ratio = 0.004,
flags = "place_center_x, place_center_z, force_placement",
schematic = minetest.get_modpath("default").."/schematics/default_house.mts",
y_min = 5,
y_max = 50,
rotation = "random",
})--]]
minetest.register_decoration(
{
deco_type = "schematic",
place_on = {"default:sand"},
sidelen = 16,
fill_ratio = 0.004,
biomes = {"Desert"},
flags = "place_center_x, place_center_z",
schematic = minetest.get_modpath("default").."/schematics/default_cactus.mts",
y_min = 5,
y_max = 32000,
rotation = "random",
})
--[[minetest.register_decoration(
{
deco_type = "simple",
place_on = "default:sand",
sidelen = 16,
fill_ratio = 0.004,
biomes = {"Desert"},
decoration = {"default:cactus"},
height = 2,
height_max = 3,
y_min = 5,
y_max = 32000,
})--]]
default.log("mapgen", "loaded")