mirror of
https://gitlab.com/gaelysam/mapgen_rivers.git
synced 2025-02-20 14:00:32 +01:00
New settings system, use a conf file instead of datastorage
Added many missing settings, including pregeneration-related ones TODO: update settingtypes.txt
This commit is contained in:
Gaël C
parent
51f3a2719d
commit
de8d685471
32
generate.lua
32
generate.lua
@ -1,21 +1,15 @@
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local EvolutionModel = dofile(mapgen_rivers.modpath .. '/terrainlib_lua/erosion.lua')
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local twist = dofile(mapgen_rivers.modpath .. '/terrainlib_lua/twist.lua')
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local blocksize = 12
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local variation_speed = 70
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local blocksize = mapgen_rivers.settings.blocksize
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local tectonic_speed = mapgen_rivers.settings.tectonic_speed
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local np_base = {
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offset = 0,
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scale = 200,
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seed = 2469,
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octaves = 8,
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spread = {x=4000/blocksize, y=4000/blocksize, z=4000/blocksize},
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persist = 0.6,
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lacunarity = 2,
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}
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local np_base = table.copy(mapgen_rivers.noise_params.base)
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local time = 10
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local time_step = 1
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local evol_params = mapgen_rivers.settings.evol_params
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local time = mapgen_rivers.settings.evol_time
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local time_step = mapgen_rivers.settings.evol_time_step
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local niter = math.ceil(time/time_step)
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time_step = time / niter
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@ -34,19 +28,23 @@ local function generate()
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dem.X = size.x
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dem.Y = size.y
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local model = EvolutionModel()
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local model = EvolutionModel(evol_params)
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model.dem = dem
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local ref_dem = model:define_isostasy(dem)
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local variation_step = variation_speed * time_step
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local tectonic_step = tectonic_speed * time_step
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for i=1, niter do
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--nobj_base:get_map_slice({z=i+1}, {z=1}, ref_dem)
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nobj_base:get_3d_map_flat({x=0, y=variation_step*i, z=0}, ref_dem)
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model:diffuse(time_step)
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model:flow()
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model:erode(time_step)
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model:isostasy()
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if i < niter then
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if tectonic_step ~= 0 then
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nobj_base:get_3d_map_flat({x=0, y=tectonic_step*i, z=0}, ref_dem)
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end
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model:isostasy()
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end
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end
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model:flow()
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@ -3,9 +3,8 @@ local modpath = mapgen_rivers.modpath
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local make_polygons = dofile(modpath .. 'polygons.lua')
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local transform_quadri = dofile(modpath .. 'geometry.lua')
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local blocksize = mapgen_rivers.blocksize
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local sea_level = mapgen_rivers.sea_level
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local riverbed_slope = mapgen_rivers.riverbed_slope
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local sea_level = mapgen_rivers.settings.sea_level
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local riverbed_slope = mapgen_rivers.settings.riverbed_slope * mapgen_rivers.settings.blocksize
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local MAP_BOTTOM = -31000
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10
init.lua
10
init.lua
@ -6,12 +6,10 @@ mapgen_rivers.world_data_path = minetest.get_worldpath() .. '/river_data/'
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dofile(modpath .. 'settings.lua')
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local blocksize = mapgen_rivers.blocksize
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local sea_level = mapgen_rivers.sea_level
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local riverbed_slope = mapgen_rivers.riverbed_slope
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local elevation_chill = mapgen_rivers.elevation_chill
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local use_distort = mapgen_rivers.distort
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local use_biomes = mapgen_rivers.biomes
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local sea_level = mapgen_rivers.settings.sea_level
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local elevation_chill = mapgen_rivers.settings.elevation_chill
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local use_distort = mapgen_rivers.settings.distort
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local use_biomes = mapgen_rivers.settings.biomes
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local use_biomegen_mod = use_biomes and minetest.global_exists('biomegen')
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use_biomes = use_biomes and not use_biomegen_mod
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56
noises.lua
56
noises.lua
@ -1,5 +1,17 @@
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local def_setting = mapgen_rivers.define_setting
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mapgen_rivers.noise_params = {
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distort_x = {
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base = def_setting('np_base', 'noise', {
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offset = 0,
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scale = 200,
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seed = 2469,
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octaves = 8,
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spread = {x=4000, y=4000, z=4000},
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persist = 0.6,
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lacunarity = 2,
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}),
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distort_x = def_setting('np_distort_x', 'noise', {
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offset = 0,
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scale = 1,
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seed = -4574,
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@ -7,9 +19,9 @@ mapgen_rivers.noise_params = {
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octaves = 3,
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persistence = 0.75,
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lacunarity = 2,
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},
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}),
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distort_z = {
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distort_z = def_setting('np_distort_z', 'noise', {
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offset = 0,
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scale = 1,
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seed = -7940,
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@ -17,9 +29,9 @@ mapgen_rivers.noise_params = {
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octaves = 3,
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persistence = 0.75,
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lacunarity = 2,
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},
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}),
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distort_amplitude = {
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distort_amplitude = def_setting('np_distort_amplitude', 'noise', {
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offset = 0,
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scale = 10,
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seed = 676,
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@ -28,10 +40,40 @@ mapgen_rivers.noise_params = {
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persistence = 0.5,
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lacunarity = 2,
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flags = "absvalue",
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},
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}),
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heat = minetest.get_mapgen_setting_noiseparams('mg_biome_np_heat'),
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heat_blend = minetest.get_mapgen_setting_noiseparams('mg_biome_np_heat_blend'),
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}
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mapgen_rivers.noise_params.heat.offset = mapgen_rivers.noise_params.heat.offset + mapgen_rivers.sea_level*mapgen_rivers.elevation_chill
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-- Convert to number because Minetest API is not able to do it cleanly...
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for name, np in pairs(mapgen_rivers.noise_params) do
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for field, value in pairs(np) do
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if field ~= 'flags' and type(value) == 'string' then
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np[field] = tonumber(value) or value
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elseif field == 'spread' then
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for dir, v in pairs(value) do
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value[dir] = tonumber(v) or v
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end
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end
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end
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end
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local heat = mapgen_rivers.noise_params.heat
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local base = mapgen_rivers.noise_params.base
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local settings = mapgen_rivers.settings
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heat.offset = heat.offset + settings.sea_level * settings.elevation_chill
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base.spread.x = base.spread.x / settings.blocksize
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base.spread.y = base.spread.y / settings.blocksize
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base.spread.z = base.spread.z / settings.blocksize
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for name, np in pairs(mapgen_rivers.noise_params) do
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local lac = np.lacunarity or 2
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if lac > 1 then
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local omax = math.floor(math.log(math.min(np.spread.x, np.spread.y, np.spread.z)) / math.log(lac))+1
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if np.octaves > omax then
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print("[mapgen_rivers] Noise " .. name .. ": 'octaves' reduced to " .. omax)
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np.octaves = omax
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end
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end
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end
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14
polygons.lua
14
polygons.lua
@ -49,12 +49,12 @@ local function index(x, z)
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return z*X+x+1
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end
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local blocksize = mapgen_rivers.blocksize
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local min_catchment = mapgen_rivers.min_catchment
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local max_catchment = mapgen_rivers.max_catchment
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local blocksize = mapgen_rivers.settings.blocksize
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local min_catchment = mapgen_rivers.settings.min_catchment
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local max_catchment = mapgen_rivers.settings.max_catchment
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local map_offset = {x=0, z=0}
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if mapgen_rivers.center then
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if mapgen_rivers.settings.center then
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map_offset.x = blocksize*X/2
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map_offset.z = blocksize*Z/2
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end
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@ -74,14 +74,14 @@ local function river_width(flow)
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end
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local noise_heat -- Need a large-scale noise here so no heat blend
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local elevation_chill = mapgen_rivers.elevation_chill
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local elevation_chill = mapgen_rivers.settings.elevation_chill
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local function get_temperature(x, y, z)
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local pos = {x=x, y=z}
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return noise_heat:get2d(pos) - y*elevation_chill
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end
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local glaciers = mapgen_rivers.glaciers
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local glacier_factor = mapgen_rivers.glacier_factor
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local glaciers = mapgen_rivers.settings.glaciers
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local glacier_factor = mapgen_rivers.settings.glacier_factor
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local init = false
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117
settings.lua
117
settings.lua
@ -1,58 +1,71 @@
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local storage = minetest.get_mod_storage()
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local settings = minetest.settings
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local function get_settings(key, dtype, default)
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if storage:contains(key) then
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if dtype == "string" then
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return storage:get_string(key)
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elseif dtype == "int" then
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return storage:get_int(key)
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elseif dtype == "float" then
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return storage:get_float(key)
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elseif dtype == "bool" then
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return storage:get_string(key) == 'true'
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end
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end
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local conf_val = settings:get('mapgen_rivers_' .. key)
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if conf_val then
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if dtype == "int" then
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conf_val = tonumber(conf_val)
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storage:set_int(key, conf_val)
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elseif dtype == "float" then
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conf_val = tonumber(conf_val)
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storage:set_float(key, conf_val)
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else
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storage:set_string(key, conf_val)
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if dtype == "bool" then
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conf_val = conf_val == 'true'
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local mtsettings = minetest.settings
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local mgrsettings = Settings(minetest.get_worldpath() .. '/mapgen_rivers.conf')
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function mapgen_rivers.define_setting(name, dtype, default)
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if dtype == "number" or dtype == "string" then
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local v = mgrsettings:get(name)
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if v == nil then
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v = mtsettings:get('mapgen_rivers_' .. name)
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if v == nil then
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v = default
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end
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mgrsettings:set(name, v)
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end
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return conf_val
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else
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if dtype == "int" then
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storage:set_int(key, default)
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elseif dtype == "float" then
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storage:set_float(key, default)
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elseif dtype == "string" then
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storage:set_string(key, default)
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elseif dtype == "bool" then
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storage:set_string(key, tostring(default))
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if dtype == "number" then
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return tonumber(v)
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else
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return v
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end
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return default
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elseif dtype == "bool" then
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local v = mgrsettings:get_bool(name)
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if v == nil then
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v = mtsettings:get_bool('mapgen_rivers_' .. name)
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if v == nil then
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v = default
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end
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mgrsettings:set_bool(name, v)
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end
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return v
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elseif dtype == "noise" then
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local v = mgrsettings:get_np_group(name)
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if v == nil then
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v = mtsettings:get_np_group('mapgen_rivers_' .. name)
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if v == nil then
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v = default
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end
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mgrsettings:set_np_group(name, v)
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end
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return v
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end
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end
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mapgen_rivers.center = get_settings('center', 'bool', false)
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mapgen_rivers.blocksize = get_settings('blocksize', 'int', 12)
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mapgen_rivers.sea_level = get_settings('sea_level', 'int', 1)
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mapgen_rivers.min_catchment = get_settings('min_catchment', 'float', 25)
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mapgen_rivers.max_catchment = get_settings('max_catchment', 'float', 40000)
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mapgen_rivers.riverbed_slope = get_settings('riverbed_slope', 'float', 0.4) * mapgen_rivers.blocksize
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mapgen_rivers.distort = get_settings('distort', 'bool', true)
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mapgen_rivers.biomes = get_settings('biomes', 'bool', true)
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mapgen_rivers.glaciers = get_settings('glaciers', 'bool', false)
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mapgen_rivers.glacier_factor = get_settings('glacier_factor', 'float', 8)
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mapgen_rivers.elevation_chill = get_settings('elevation_chill', 'float', 0.25)
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local def_setting = mapgen_rivers.define_setting
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mapgen_rivers.settings = {
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center = def_setting('center', 'bool', false),
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blocksize = def_setting('blocksize', 'number', 12),
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sea_level = tonumber(minetest.get_mapgen_setting('water_level')),
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min_catchment = def_setting('min_catchment', 'number', 25),
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max_catchment = def_setting('max_catchment', 'number', 40000),
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riverbed_slope = def_setting('riverbed_slope', 'number', 0.4),
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distort = def_setting('distort', 'bool', true),
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biomes = def_setting('biomes', 'bool', true),
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glaciers = def_setting('glaciers', 'bool', false),
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glacier_factor = def_setting('glacier_factor', 'number', 8),
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elevation_chill = def_setting('elevation_chill', 'number', 0.25),
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evol_params = {
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K = def_setting('river_erosion_coef', 'number', 0.5),
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m = def_setting('river_erosion_power', 'number', 0.4),
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d = def_setting('diffusive_erosion', 'number', 0.5),
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},
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tectonic_speed = def_setting('tectonic_speed', 'number', 70),
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evol_time = def_setting('evol_time', 'number', 10),
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evol_time_step = def_setting('evol_time_step', 'number', 1),
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}
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local function write_settings()
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mgrsettings:write()
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end
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minetest.register_on_mods_loaded(write_settings)
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minetest.register_on_shutdown(write_settings)
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