mirror of
https://github.com/Splizard/minetest-mod-snow.git
synced 2024-12-29 16:00:16 +01:00
should disable falling snow in deserts
This commit is contained in:
HybridDog
parent
46cf4e907a
commit
c8c2fbd013
@ -40,188 +40,192 @@ near torches and lava.
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--=============================================================
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if snow.enable_snowfall then
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if not snow.enable_snowfall then
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return
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end
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local weather_legacy
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local read_weather_legacy = function ()
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local file = io.open(minetest.get_worldpath().."/weather_v6", "r")
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if not file then return end
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local readweather = file:read()
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file:close()
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return readweather
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end
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--Weather for legacy versions of minetest.
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local save_weather_legacy = function ()
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local file = io.open(minetest.get_worldpath().."/weather_v6", "w+")
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file:write(weather_legacy)
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file:close()
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end
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weather_legacy = read_weather_legacy() or ""
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local weather_legacy
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minetest.register_globalstep(function(dtime)
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if weather_legacy == "snow" then
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if math.random(1, 10000) == 1 then
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weather_legacy = "none"
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save_weather_legacy()
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end
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else
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if math.random(1, 50000) == 2 then
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weather_legacy = "snow"
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save_weather_legacy()
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end
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end
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end)
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--Get snow at position.
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local get_snow = function(pos)
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--Legacy support.
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local read_weather_legacy = function ()
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local file = io.open(minetest.get_worldpath().."/weather_v6", "r")
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if not file then return end
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local readweather = file:read()
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file:close()
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return readweather
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end
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--Weather for legacy versions of minetest.
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local save_weather_legacy = function ()
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local file = io.open(minetest.get_worldpath().."/weather_v6", "w+")
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file:write(weather_legacy)
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file:close()
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end
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weather_legacy = read_weather_legacy() or ""
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minetest.register_globalstep(function(dtime)
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if weather_legacy == "snow" then
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local perlin1 = minetest.env:get_perlin(112,3, 0.5, 150)
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if perlin1:get2d( {x=pos.x, y=pos.z} ) > 0.53 then
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return true
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else
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return false
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if math.random(1, 10000) == 1 then
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weather_legacy = "none"
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save_weather_legacy()
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end
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else
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if math.random(1, 50000) == 2 then
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weather_legacy = "snow"
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save_weather_legacy()
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end
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end
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end)
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-- copied from meru mod
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local SEEDDIFF3 = 9130 -- 9130 -- Values should match minetest mapgen desert perlin.
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local OCTAVES3 = 3 -- 3
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local PERSISTENCE3 = 0.5 -- 0.5
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local SCALE3 = 250 -- 250
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--Get snow at position.
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local get_snow = function(pos)
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--Legacy support.
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if weather_legacy == "snow" then
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local perlin1 = minetest.get_perlin(112,3, 0.5, 150)
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if perlin1:get2d({x=pos.x, y=pos.z}) <= 0.53 then
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return false
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end
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end
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local addvectors = vector and vector.add
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--Returns a random position between minp and maxp.
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local randpos = function (minp, maxp)
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local x,y,z
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if minp.x > maxp.x then
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x = math.random(maxp.x,minp.x) else x = math.random(minp.x,maxp.x) end
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y = minp.y
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if minp.z > maxp.z then
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z = math.random(maxp.z,minp.z) else z = math.random(minp.z,maxp.z) end
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return {x=x,y=y,z=z}
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end
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local default_snow_particle = {
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amount = 3,
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time = 0.5,
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exptime = 5,
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size = 50,
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collisiondetection = false,
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vertical = false,
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}
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local function get_snow_particledef(data)
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for n,i in pairs(default_snow_particle) do
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data[n] = data[n] or i
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-- disable falling snow in desert
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local desert_perlin = minetest.get_perlin(SEEDDIFF3, OCTAVES3, PERSISTENCE3, SCALE3)
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local noise3 = desert_perlin:get2d({x=x+150,y=z+50}) -- Offsets must match minetest mapgen desert perlin.
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if noise3 > 0.35 then -- Smooth transition 0.35 to 0.45.
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return false
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end
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for _,i in pairs({"vel", "acc", "exptime", "size"}) do
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data["min"..i] = data[i]
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data["max"..i] = data[i]
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return true
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end
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return false
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end
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local addvectors = vector and vector.add
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--Returns a random position between minp and maxp.
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local randpos = function (minp, maxp)
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local x,y,z
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if minp.x > maxp.x then
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x = math.random(maxp.x,minp.x) else x = math.random(minp.x,maxp.x) end
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y = minp.y
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if minp.z > maxp.z then
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z = math.random(maxp.z,minp.z) else z = math.random(minp.z,maxp.z) end
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return {x=x,y=y,z=z}
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end
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local default_snow_particle = {
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amount = 3,
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time = 0.5,
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exptime = 5,
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size = 50,
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collisiondetection = false,
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vertical = false,
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}
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local function get_snow_particledef(data)
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for n,i in pairs(default_snow_particle) do
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data[n] = data[n] or i
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end
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for _,i in pairs({"vel", "acc", "exptime", "size"}) do
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data["min"..i] = data[i]
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data["max"..i] = data[i]
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end
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data.texture = "weather_snow.png^[transform"..math.random(0,7)
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return data
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end
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local function snow_fall(pos, player, animate)
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local ground_y = nil
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for y=pos.y+10,pos.y+20,1 do
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local n = minetest.get_node({x=pos.x,y=y,z=pos.z}).name
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if n ~= "air" and n ~= "ignore" then
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return
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end
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data.texture = "weather_snow.png^[transform"..math.random(0,7)
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return data
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end
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local snow_fall=function (pos, player, animate)
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local ground_y = nil
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for y=pos.y+10,pos.y+20,1 do
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local n = minetest.env:get_node({x=pos.x,y=y,z=pos.z}).name
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if n ~= "air" and n ~= "ignore" then
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return
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end
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end
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for y=pos.y+10,pos.y-15,-1 do
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local n = minetest.env:get_node({x=pos.x,y=y,z=pos.z}).name
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if n ~= "air" and n ~= "ignore" then
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ground_y = y
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break
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end
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end
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if not ground_y then return end
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pos = {x=pos.x, y=ground_y, z=pos.z}
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local spos = {x=pos.x, y=ground_y+10, z=pos.z}
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if get_snow(pos) then
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if animate then
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local minp = addvectors(spos, {x=-9, y=3, z=-9})
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local maxp = addvectors(spos, {x= 9, y=5, z= 9})
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local vel = {x=0, y= -1, z=-1}
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local acc = {x=0, y= 0, z=0}
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minetest.add_particlespawner(get_snow_particledef({
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minpos = minp,
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maxpos = maxp,
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vel = vel,
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acc = acc,
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playername = player:get_player_name()
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}))
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end
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snow.place(pos, true)
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--minetest.place_node({x=pos.x, y=pos.y+2, z=pos.z}, {name="default:snow"}) -- LazyJ
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end
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for y=pos.y+10,pos.y-15,-1 do
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local n = minetest.get_node({x=pos.x,y=y,z=pos.z}).name
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if n ~= "air" and n ~= "ignore" then
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ground_y = y
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break
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end
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end
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if not ground_y then return end
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pos = {x=pos.x, y=ground_y, z=pos.z}
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local spos = {x=pos.x, y=ground_y+10, z=pos.z}
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-- Snow
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minetest.register_globalstep(function(dtime)
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for _, player in pairs(minetest.get_connected_players()) do
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local ppos = player:getpos()
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local sminp = addvectors(ppos, {x=-20, y=0, z=-20})
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local smaxp = addvectors(ppos, {x= 20, y=0, z= 20})
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if get_snow(pos) then
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if animate then
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local minp = addvectors(spos, {x=-9, y=3, z=-9})
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local maxp = addvectors(spos, {x= 9, y=5, z= 9})
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local vel = {x=0, y= -1, z=-1}
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local acc = {x=0, y= 0, z=0}
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minetest.add_particlespawner(get_snow_particledef({
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minpos = minp,
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maxpos = maxp,
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vel = vel,
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acc = acc,
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playername = player:get_player_name()
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}))
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end
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snow.place(pos, true)
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--minetest.place_node({x=pos.x, y=pos.y+2, z=pos.z}, {name="default:snow"}) -- LazyJ
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end
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end
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-- Snow
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minetest.register_globalstep(function(dtime)
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for _, player in pairs(minetest.get_connected_players()) do
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local ppos = player:getpos()
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-- Make sure player is not in a cave/house...
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if get_snow(ppos) and minetest.env:get_node_light(ppos, 0.5) == 15 then
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local sminp = addvectors(ppos, {x=-20, y=0, z=-20})
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local smaxp = addvectors(ppos, {x= 20, y=0, z= 20})
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-- Make sure player is not in a cave/house...
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if get_snow(ppos) and minetest.get_node_light(ppos, 0.5) == 15 then
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local minp = addvectors(ppos, {x=-9, y=3, z=-9})
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local maxp = addvectors(ppos, {x= 9, y=5, z= 9})
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local minp = addvectors(ppos, {x=-9, y=3, z=-9})
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local maxp = addvectors(ppos, {x= 9, y=5, z= 9})
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local minp_deep = addvectors(ppos, {x=-5, y=3.2, z=-5})
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local maxp_deep = addvectors(ppos, {x= 5, y=1.6, z= 5})
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local minp_deep = addvectors(ppos, {x=-5, y=3.2, z=-5})
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local maxp_deep = addvectors(ppos, {x= 5, y=1.6, z= 5})
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local vel = {x=0, y= -1, z=-1}
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local acc = {x=0, y= 0, z=0}
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if not snow.lighter_snowfall then
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minetest.add_particlespawner(get_snow_particledef({
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amount = 5,
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minpos = minp,
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maxpos = maxp,
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vel = vel,
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acc = acc,
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size = 25,
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playername = player:get_player_name()
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}))
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minetest.add_particlespawner(get_snow_particledef({
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amount = 4,
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minpos = minp_deep,
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maxpos = maxp_deep,
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vel = vel,
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acc = acc,
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exptime = 4,
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size = 25,
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playername = player:get_player_name()
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}))
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if math.random(1,5) == 4 then
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snow_fall(randpos(sminp, smaxp), player)
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end
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else
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if math.random(1,5) == 4 then
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snow_fall(randpos(sminp, smaxp), player, true)
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end
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end
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else
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local vel = {x=0, y= -1, z=-1}
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local acc = {x=0, y= 0, z=0}
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if not snow.lighter_snowfall then
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minetest.add_particlespawner(get_snow_particledef({
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amount = 5,
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minpos = minp,
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maxpos = maxp,
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vel = vel,
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acc = acc,
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size = 25,
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playername = player:get_player_name()
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}))
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minetest.add_particlespawner(get_snow_particledef({
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amount = 4,
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minpos = minp_deep,
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maxpos = maxp_deep,
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vel = vel,
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acc = acc,
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exptime = 4,
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size = 25,
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playername = player:get_player_name()
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}))
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if math.random(1,5) == 4 then
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snow_fall(randpos(sminp, smaxp), player)
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end
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else
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if math.random(1,5) == 4 then
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snow_fall(randpos(sminp, smaxp), player, true)
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end
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end
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end
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end)
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end
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end
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end)
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