block def

.luacheckrc

@@ -1,4 +1,8 @@
 
+globals = {
+	"epic_weather"
+}
+
 read_globals = {
 	-- Stdlib
 	string = {fields = {"split"}},
@@ -10,5 +14,5 @@ read_globals = {
 	"dump", "VoxelArea",
 
 	-- deps
-	"epic"
+	"epic", "screwdriver"
 }

block.lua

@@ -0,0 +1,92 @@
+
+local weatherdefs = {} -- list<weatherdef>
+
+--[[
+weatherdef = {
+	name = "",
+	on_step = function() end
+}
+--]]
+
+epic_weather.register_weather = function(def)
+	table.insert(weatherdefs, def)
+end
+
+epic_weather.register_weather({ name = "None" })
+
+
+local update_formspec = function(meta)
+	local weathername = meta:get_string("weathername")
+
+	meta:set_string("infotext", "Set weather block: name=" .. weathername)
+
+	local selected = 1
+	local list = ""
+	for i, def in ipairs(weatherdefs) do
+		if def.name == weathername then
+			selected = i
+		end
+
+		list = list .. minetest.formspec_escape(def.name)
+		if i < #weatherdefs then
+			-- not end of list
+			list = list .. ","
+		end
+	end
+
+	meta:set_string("formspec", "size[8,6;]" ..
+		"textlist[0,0.1;8,5;weathername;" .. list .. ";" .. selected .. "]" ..
+
+		"button_exit[0.1,5.5;8,1;save;Save]" ..
+		"")
+end
+
+minetest.register_node("epic:set_weather", {
+	description = "Epic set weather block",
+	tiles = {
+		"epic_node_bg.png",
+		"epic_node_bg.png",
+		"epic_node_bg.png",
+		"epic_node_bg.png",
+		"epic_node_bg.png",
+		"epic_node_bg.png^epic_sky.png",
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=3,oddly_breakable_by_hand=3,epic=1},
+	on_rotate = screwdriver.rotate_simple,
+
+	on_construct = function(pos)
+    local meta = minetest.get_meta(pos)
+		meta:set_string("weathername", "None")
+    update_formspec(meta, pos)
+  end,
+
+  on_receive_fields = function(pos, _, fields, sender)
+		if not sender or minetest.is_protected(pos, sender:get_player_name()) then
+			-- not allowed
+			return
+		end
+
+		local meta = minetest.get_meta(pos);
+
+		if fields.weathername then
+			local parts = fields.weathername:split(":")
+			if parts[1] == "CHG" then
+				local selected_def = tonumber(parts[2])
+				local weatherdef = weatherdefs[selected_def]
+				if weatherdef and weatherdef.name then
+					meta:set_string("weathername", weatherdef.name)
+				end
+				update_formspec(meta, pos)
+			end
+		end
+  end,
+
+	epic = {
+    on_enter = function(_, meta, player, ctx)
+			--local weathername = meta:get_string("weathername")
+			-- TODO
+			ctx.next()
+    end
+  }
+})

init.lua

@@ -1,6 +1,8 @@
 
 local MP = minetest.get_modpath("epic_weather")
 
+epic_weather = {}
+
 dofile(MP.."/block.lua")
 dofile(MP.."/weather.lua")