Initial commit

README.txt

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+rain 0.1.0 by paramat
+For latest stable Minetest back to 0.4.8
+Depends default bucket
+Licenses: code WTFPL, textures CC BY-SA

depends.txt

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+default

init.lua

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+-- rain 0.1.0 by paramat
+-- For latest stable Minetest and back to 0.4.8
+-- Depends default bucket
+-- License: code WTFPL, textures CC BY-SA
+
+-- Parameters
+
+
+
+-- Nodes
+
+minetest.register_node("rain:cloud", {
+	description = "Rain Cloud",
+	drawtype = "glasslike",
+	tiles = {"rain_cloud.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	post_effect_color = {a=23, r=241, g=248, b=255},
+})
+
+minetest.register_node("rain:rain", {
+	description = "Rain",
+	drawtype = "plantlike",
+	tiles = {
+		{
+			name="rain_rain.png",
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=0.25}
+		}
+	},
+	paramtype = "light",
+	is_ground_content = false,
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+})
+
+-- ABM
+
+-- Spawn raincloud above grass
+
+minetest.register_abm({
+	nodenames = {"default:dirt_with_grass"},
+	interval = 13,
+	chance = 2048,
+	action = function(pos, node)
+		local x = pos.x
+		local y = pos.y
+		local z = pos.z
+		local c_air = minetest.get_content_id("air")
+		local c_rain = minetest.get_content_id("rain:rain")
+		local c_cloud = minetest.get_content_id("rain:cloud")
+
+		local vm = minetest.get_voxel_manip() -- volume for cloud check
+		local pos1 = {x=x-64, y=104, z=z-64}
+		local pos2 = {x=x+95, y=104, z=z+95}
+		local emin, emax = vm:read_from_map(pos1, pos2)
+		local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
+		local data = vm:get_data()
+
+		for vi in area:iterp(emin, emax) do -- check volume is clear of cloud
+			if data[vi] == c_cloud then
+				return
+			end
+		end
+
+		local vm = minetest.get_voxel_manip()
+		local pos1 = {x=x, y=y-48, z=z}
+		local pos2 = {x=x+31, y=y+134, z=z+31}
+		local emin, emax = vm:read_from_map(pos1, pos2)
+		local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
+		local data = vm:get_data()
+		local vvii = emax.x - emin.x + 1  -- vertical vi interval
+		-- local nvii = (emax.y - emin.y + 1) * vvii
+
+		for y = 104, 135 do -- spawn cloud and rain columns
+		for k = 0, 31 do
+			local vi = area:index(x, y, z + k)
+			for i = 0, 31 do
+				data[vi] = c_cloud
+				if y == 104 and math.random() < 0.25
+				and k >= 4 and k <= 27 and i >= 4 and i <= 27 then
+					local vir = vi - vvii
+					for fall = 1, 144 do
+						if data[vir] == c_air then
+							data[vir] = c_rain
+						else
+							break
+						end
+						vir = vir - vvii
+					end
+				end
+				vi = vi + 1
+			end
+		end
+		end
+
+		vm:set_data(data)
+		vm:write_to_map()
+		vm:update_map()
+	end,
+})

license.txt

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+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+