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Disable mapgen by default, minetest has snow biomes now.

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This commit is contained in:
Quentin Quaadgras
2018-04-23 22:28:55 +12:00
parent ee3b12c07d
commit 7f394447f1
4 changed files with 62 additions and 55 deletions
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103
src/mapgen.lua
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@ -12,63 +12,66 @@ saplings grow into trees. --]]
-- Part 1: To disable the mapgen, add the *starting* comment under this line.
if not snow.disable_mapgen then
print("[snow] Mapgen enabled!")
snow.mapgen = snow.mapgen or {}
local mg = snow.mapgen
snow.mapgen = snow.mapgen or {}
local mg = snow.mapgen
-- perlin noise "hills" are not peaks but looking like sinus curve
local function upper_rarity(rarity)
return math.sign(rarity)*math.sin(math.abs(rarity)*math.pi/2)
end
local rarity = snow.mapgen_rarity
local size = snow.mapgen_size
local smooth = snow.smooth_biomes
local nosmooth_rarity, perlin_scale
local function calc_values()
nosmooth_rarity = 1-rarity/50
perlin_scale = size*100/rarity
mg.perlin_scale = perlin_scale
local smooth_rarity_max, smooth_rarity_min, smooth_rarity_dif
if smooth then
local smooth_trans_size = 4 --snow.smooth_trans_size
mg.smooth_rarity_max = upper_rarity(nosmooth_rarity+smooth_trans_size*2/perlin_scale)
mg.smooth_rarity_min = upper_rarity(nosmooth_rarity-smooth_trans_size/perlin_scale)
mg.smooth_rarity_dif = mg.smooth_rarity_max-mg.smooth_rarity_min
-- perlin noise "hills" are not peaks but looking like sinus curve
local function upper_rarity(rarity)
return math.sign(rarity)*math.sin(math.abs(rarity)*math.pi/2)
end
nosmooth_rarity = upper_rarity(nosmooth_rarity)
mg.nosmooth_rarity = nosmooth_rarity
end
calc_values()
snow.register_on_configuring(function(name, v)
if name == "mapgen_rarity" then
rarity = v
elseif name == "mapgen_size" then
size = v
elseif name == "smooth_biomes" then
smooth = v
else
return
local rarity = snow.mapgen_rarity
local size = snow.mapgen_size
local smooth = snow.smooth_biomes
local nosmooth_rarity, perlin_scale
local function calc_values()
nosmooth_rarity = 1-rarity/50
perlin_scale = size*100/rarity
mg.perlin_scale = perlin_scale
local smooth_rarity_max, smooth_rarity_min, smooth_rarity_dif
if smooth then
local smooth_trans_size = 4 --snow.smooth_trans_size
mg.smooth_rarity_max = upper_rarity(nosmooth_rarity+smooth_trans_size*2/perlin_scale)
mg.smooth_rarity_min = upper_rarity(nosmooth_rarity-smooth_trans_size/perlin_scale)
mg.smooth_rarity_dif = mg.smooth_rarity_max-mg.smooth_rarity_min
end
nosmooth_rarity = upper_rarity(nosmooth_rarity)
mg.nosmooth_rarity = nosmooth_rarity
end
-- TODO: if e.g. size and rarity get changed at once, don't calculate the values more times
calc_values()
end)
snow.register_on_configuring(function(name, v)
if name == "mapgen_rarity" then
rarity = v
elseif name == "mapgen_size" then
size = v
elseif name == "smooth_biomes" then
smooth = v
else
return
end
-- TODO: if e.g. size and rarity get changed at once, don't calculate the values more times
calc_values()
end)
--Identify the mapgen.
local mgname = minetest.get_mapgen_setting"mg_name"
if not mgname then
minetest.log("error", "[MOD] Snow Biomes: WARNING! mapgen could not be identifyed!")
end
local path = minetest.get_modpath"snow"
if mgname == "v7" then
--Load mapgen_v7 compatibility.
dofile(path.."/src/mapgen_v7.lua")
else
--Load mapgen_v6 compatibility.
dofile(path.."/src/mapgen_v6.lua")
--Identify the mapgen.
local mgname = minetest.get_mapgen_setting"mg_name"
if not mgname then
minetest.log("error", "[MOD] Snow Biomes: WARNING! mapgen could not be identifyed!")
end
local path = minetest.get_modpath"snow"
if mgname == "v7" then
--Load mapgen_v7 compatibility.
dofile(path.."/src/mapgen_v7.lua")
else
--Load mapgen_v6 compatibility.
dofile(path.."/src/mapgen_v6.lua")
end
end
-- To complete the commenting-out add the *closing* comment under this line.