Camas/mods/weather/init.lua

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2015-09-01 17:15:24 +02:00
--
-- Weather mod
-- By Kaadmy, for Pixture
--
weather = {}
weather.weather = "clear"
weather.types = {"storm", "snowstorm", "clear"}
local function addvec(v1, v2)
return {x = v1.x + v2.x, y = v1.y + v2.y, z = v1.z + v2.z}
end
local snow_enable = minetest.setting_getbool("weather_snow_enable") or false
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local weather_soundspec=nil
local weather_pr=PseudoRandom(minetest.get_mapgen_params().seed + 2387)
local function play_sound()
if weather_soundspec ~= nil then
minetest.sound_stop(weather_soundspec)
end
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if weather.weather == "storm" then
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weather_soundspec=minetest.sound_play({name="weather_storm"})
minetest.after(18, play_sound)
return
elseif weather.weather == "snowstorm" then
weather_soundspec=minetest.sound_play({name="weather_snowstorm"})
minetest.after(7, play_sound)
return
end
minetest.after(3, play_sound)
end
function setweather_type(type)
local valid = false
for i = 1, #weather.types do
if weather.types[i] == type then
valid = true
end
end
if valid then
weather.weather = type
play_sound()
end
end
minetest.register_globalstep(
function(dtime)
if minetest.setting_getbool("weather_enable") then
if weather_pr:next(0, 5000) < 1 then
local weathertype = weather_pr:next(0, 19)
-- on avg., every 1800 frames the weather.weather will change to one of:
-- 13/20 chance of clear weather
-- 6/20 chance or stormy weather
-- 1/20 chance of snowstorm weather
if weathertype < 13 then
weather.weather = "clear"
elseif weathertype < 19 then
weather.weather = "storm"
elseif weathertype < 20 and snow_enable then
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weather.weather = "snowstorm"
end
end
end
local light = (minetest.get_timeofday()*2)
if light > 1 then
light=1-(light-1)
end
light=(light*0.6)+0.1
local skycol=math.floor(light*190)
for _,player in ipairs(minetest.get_connected_players()) do
if weather.weather == "storm" or weather.weather == "snowstorm" then
player:set_sky({r = skycol, g = skycol, b = skycol*1.2}, "plain", {})
player:override_day_night_ratio(light)
else
player:set_sky(nil, "regular", {})
player:override_day_night_ratio(nil)
end
local p=player:getpos()
if weather.weather == "storm" then
if minetest.get_node_light({x=p.x, y=p.y+15, z=p.z}, 0.5) == 15 then
local minpos = addvec(player:getpos(), {x = -15, y = 15, z = -15})
local maxpos = addvec(player:getpos(), {x = 15, y = 10, z = 15})
minetest.add_particlespawner(
{
amount = 30,
time = 0.5,
minpos = minpos,
maxpos = maxpos,
minvel = {x = 0, y = -20, z = 0},
maxvel = {x = 0, y = -20, z = 0},
minexptime = 0.9,
maxexptime = 1.1,
minsize = 2,
maxsize = 3,
collisiondetection = true,
vertical = true,
texture = "weather_rain.png",
playername = player:get_player_name()
}
)
end
elseif weather.weather == "snowstorm" then
if math.random(0, 6000*dtime) <= 1 then
local hp = player:get_hp()
if minetest.get_node_light(p) == 15 then
player:set_hp(hp-1)
end
end
if minetest.get_node_light({x=p.x, y=p.y+15, z=p.z}, 0.5) == 15 then
local minpos = addvec(player:getpos(), {x = -30, y = 20, z = -30})
local maxpos = addvec(player:getpos(), {x = 30, y = 15, z = 30})
local vel = {x = 16.0, y = -8, z = 13.0}
local acc = {x = -16.0, y = -8, z = -13.0}
minetest.add_particlespawner(
{
amount = 8,
time = 0.4,
minpos = minpos,
maxpos = maxpos,
minvel = {x=-vel.x, y=vel.y, z=-vel.z},
maxvel = vel,
minacc = acc,
maxacc = acc,
minexptime = 1.0,
maxexptime = 1.4,
minsize = 3,
maxsize = 4,
collisiondetection = true,
vertical = false,
texture = "weather_snowflake.png",
playername = player:get_player_name()
}
)
end
end
end
end
)
minetest.register_abm(
{
nodenames = {"weather:ice"},
interval = 4,
chance = 80,
action = function(pos, node, active_object_count, active_object_count_wider)
if weather.weather ~= "snowstorm" then
minetest.remove_node(pos)
end
end
})
--[[minetest.register_abm(
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{
nodenames = {"air"},
interval = 2,
chance = 80,
action = function(pos, node, active_object_count, active_object_count_wider)
if minetest.get_node_light(pos) ~= 15 then return end
local under_nodepos={x=pos.x, y=pos.y-1, z=pos.z}
local under_node=minetest.get_node(under_nodepos)
if under_node.name == "air" then return end
local under_nodedef=minetest.registered_nodes[under_node.name]
if under_node.name == "default:water_source" and weather.weather == "snowstorm" then
minetest.set_node(under_nodepos, {name = "weather:ice"})
else
if under_node.name ~= "weather:snow" then
if weather.weather == "snowstorm" then
if under_node.name ~= "default:heated_dirt_path" then
if under_nodedef.walkable then
minetest.set_node(pos, {name = "weather:snow"})
elseif under_nodedef.drawtype ~= "airlike" and under_nodedef.buildable_to and math.random(0, 20) <= 1 then
minetest.set_node(under_nodepos, {name = "weather:snow"})
end
end
end
else
if weather.weather ~= "snowstorm" then
minetest.remove_node(under_nodepos)
end
end
end
end,
})--]]
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minetest.register_node(
"weather:snow",
{
description = "Snow",
tiles ={"weather_snow.png"},
drawtype = "nodebox",
paramtype = "light",
node_box = {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, -0.5+(1/8), 0.5},
},
groups = {crumbly=3, falling_node=1, snow=1, fall_damage_add_percent=-10},
sounds = default.node_sound_snow_defaults(),
})
minetest.register_node(
"weather:ice",
{
description = "Ice",
drawtype = "glasslike",
tiles ={"weather_ice.png"},
use_texture_alpha = true,
paramtype = "light",
groups = {snappy=3, ice=1, fall_damage_add_percent=10},
sounds = default.node_sound_glass_defaults(),
on_destruct = function(pos)
local function add_water()
minetest.set_node(pos, {name = "default:water_source"})
end
if minetest.find_node_near(pos, 1, {"weather:ice", "default:water_source"}) then
minetest.after(0, add_water)
end
end
})
minetest.register_privilege("weather", "Can use /weather.weather command")
minetest.register_chatcommand(
"weather",
{
params = "[storm|snowstorm|clear]",
description = "Set the weather to either clear, storm, or snowstorm",
privs = {weather= true},
func = function(name, param)
setweather_type(param)
end
})
setweather_type("clear")
default.log("mod:weather", "loaded")