Noch mehr mods

mods/airutils/wind.lua

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+--[[
+MIT License
+
+Copyright (c) 2019 TheTermos, TestificateMods
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+]]--
+
+local get_wind
+
+if minetest.get_modpath("climate_api") then
+	get_wind = function(pos, multiplier)
+        multiplier = multiplier or 0.1
+		local wind = climate_api.environment.get_wind({x=0,y=0,z=0})
+		return vector.multiply(wind, multiplier)
+	end
+
+else
+	local yaw = math.random()*math.pi*2-math.pi
+    local speed = math.random()*4.0
+	airutils.wind={}
+	airutils.wind.wind = vector.multiply(minetest.yaw_to_dir(yaw),speed)
+	airutils.wind.timer = 0
+	airutils.wind.ttime = math.random()*5*60+1*60
+
+	get_wind = function(pos, multiplier)
+        local retVal = vector.multiply(airutils.wind.wind, multiplier)
+		return retVal
+	end
+
+	minetest.register_globalstep(
+	function(dtime)
+		airutils.wind.timer=airutils.wind.timer+dtime
+		if airutils.wind.timer >= airutils.wind.ttime then
+			local yaw = minetest.dir_to_yaw(airutils.wind.wind)
+			yaw = yaw+math.random()-0.5
+            local speed = math.random()*4.0
+			airutils.wind.wind = vector.multiply(minetest.yaw_to_dir(yaw),speed)
+			airutils.wind.ttime = airutils.wind.timer+math.random()*5*60+1*60
+		end
+	end)
+end
+
+return get_wind