mapgen_rivers/settings.lua
Gaël C c2c397c2a5 Added compatibility script
to update parameter values coming from older versions
2021-07-24 13:21:06 +02:00

94 lines
3.0 KiB
Lua

local mtsettings = minetest.settings
local mgrsettings = Settings(minetest.get_worldpath() .. '/mapgen_rivers.conf')
mapgen_rivers.version = "1.0"
local previous_version_mt = mtsettings:get("mapgen_rivers_version") or "0.0"
local previous_version_mgr = mgrsettings:get("version") or "0.0"
if mapgen_rivers.version ~= previous_version_mt or mapgen_rivers.version ~= previous_version_mgr then
local compat_mt, compat_mgr = dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/compatibility.lua")
if mapgen_rivers.version ~= previous_version_mt then
compat_mt(mtsettings)
end
if mapgen_rivers.version ~= previous_version_mgr then
compat_mgr(mgrsettings)
end
end
mtsettings:set("mapgen_rivers_version", mapgen_rivers.version)
mgrsettings:set("version", mapgen_rivers.version)
function mapgen_rivers.define_setting(name, dtype, default)
if dtype == "number" or dtype == "string" then
local v = mgrsettings:get(name)
if v == nil then
v = mtsettings:get('mapgen_rivers_' .. name)
if v == nil then
v = default
end
mgrsettings:set(name, v)
end
if dtype == "number" then
return tonumber(v)
else
return v
end
elseif dtype == "bool" then
local v = mgrsettings:get_bool(name)
if v == nil then
v = mtsettings:get_bool('mapgen_rivers_' .. name)
if v == nil then
v = default
end
mgrsettings:set_bool(name, v)
end
return v
elseif dtype == "noise" then
local v = mgrsettings:get_np_group(name)
if v == nil then
v = mtsettings:get_np_group('mapgen_rivers_' .. name)
if v == nil then
v = default
end
mgrsettings:set_np_group(name, v)
end
return v
end
end
local def_setting = mapgen_rivers.define_setting
mapgen_rivers.settings = {
center = def_setting('center', 'bool', true),
blocksize = def_setting('blocksize', 'number', 15),
sea_level = tonumber(minetest.get_mapgen_setting('water_level')),
min_catchment = def_setting('min_catchment', 'number', 3600),
river_widening_power = def_setting('river_widening_power', 'number', 0.5),
riverbed_slope = def_setting('riverbed_slope', 'number', 0.4),
distort = def_setting('distort', 'bool', true),
biomes = def_setting('biomes', 'bool', true),
glaciers = def_setting('glaciers', 'bool', false),
glacier_factor = def_setting('glacier_factor', 'number', 8),
elevation_chill = def_setting('elevation_chill', 'number', 0.25),
evol_params = {
K = def_setting('river_erosion_coef', 'number', 0.5),
m = def_setting('river_erosion_power', 'number', 0.4),
d = def_setting('diffusive_erosion', 'number', 0.5),
compensation_radius = def_setting('compensation_radius', 'number', 50),
},
tectonic_speed = def_setting('tectonic_speed', 'number', 70),
evol_time = def_setting('evol_time', 'number', 10),
evol_time_step = def_setting('evol_time_step', 'number', 1),
load_all = mtsettings:get_bool('mapgen_rivers_load_all')
}
local function write_settings()
mgrsettings:write()
end
minetest.register_on_mods_loaded(write_settings)
minetest.register_on_shutdown(write_settings)