lib_materials/lib_materials_ecosystems.lua

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2019-08-30 23:05:56 +02:00
--
-- Register lib_materials ecosystems
--
-- Define constants that can be used in csv
local heights = {
ocean_depth = lib_materials.ocean_depth,
beach_depth = lib_materials.beach_depth,
sea_level = lib_materials.sea_level,
beach = lib_materials.maxheight_beach,
coastal = lib_materials.maxheight_coastal,
lowland = lib_materials.maxheight_lowland,
shelf = lib_materials.maxheight_shelf,
highland = lib_materials.maxheight_highland,
mountain = lib_materials.maxheight_mountain,
snow_min = lib_materials.minheight_snow,
snow_max = lib_materials.maxheight_snow,
strato = lib_materials.maxheight_strato,
}
local function read_node_str(node_str)
if #node_str > 0 then
local node, count = node_str:match("([^%s]+)%s*(%d*)")
return node, tonumber(count) or 1
end
end
for i, ecosystem in ipairs(lib_materials.read_csv("|", lib_materials.path .. "/ecosystems.csv")) do
local oretype, orename, wherein, threshold, ymin, ymax, biome = unpack(ecosystem)
--minetest.log(oretype .. ", " .. orename .. ", " .. wherein .. ", " .. threshold .. ", " .. ymin .. ", " .. ymax .. ", " .. biome)
-- Parse node names: transform empty strings into nil and separate node and count
--b = read_node_str(b)
--local c1, c2 = read_node_str(c)
local spread_val = 2^(tonumber(threshold) * 10)
local ore_seed = math.random(1, spread_val)
--lib_materials.add_oredef(orename, ore_seed)
if oretype == "dirt" then
minetest.register_ore({
ore_type = "sheet",
ore = "lib_materials:" .. orename,
wherein = "lib_materials:" .. wherein,
clust_size = 8,
y_min = tonumber(ymin) or (heights[ymin] - lib_materials.biome_vertical_blend),
y_max = tonumber(ymax) or (heights[ymax] + lib_materials.biome_vertical_blend),
noise_threshold = tonumber(threshold),
noise_params = {
offset = 0,
scale = 1,
spread = {x = 128, y = 128, z = 128},
seed = ore_seed,
octaves = 5,
persist = 0.60
},
column_height_min = (lib_materials.biome_altitude_range / 2) + lib_materials.biome_vertical_blend, --1
column_height_max = lib_materials.biome_altitude_range + (lib_materials.biome_vertical_blend * 2),
column_midpoint_factor = 0.5,
biomes = biome or nil
})
elseif oretype == "fungi" then
minetest.register_ore({
ore_type = "sheet",
ore = "lib_materials:" .. orename,
wherein = "lib_materials:" .. wherein,
clust_size = (tonumber(threshold) * 10),
y_min = tonumber(ymin),
y_max = tonumber(ymax),
noise_threshold = tonumber(threshold),
noise_params = {
offset = 0,
scale = 1,
spread = {x = spread_val, y = spread_val, z = spread_val},
seed = ore_seed,
octaves = 5,
persist = 0.60
},
column_height_min = 1,
column_height_max = lib_materials.biome_altitude_range,
column_midpoint_factor = 0.5,
biomes = biome or nil
})
elseif oretype == "" then
else
end
end