init

notify.lua

@@ -0,0 +1,79 @@
+local mod_name = minetest.get_current_modname()
+local huds = {}
+local hud_timeout_seconds = 3
+
+-- defaults
+local position = { x = 0.1, y = 0.9}
+local alignment = { x = 1, y = -1}
+local normal_color = 0xFFFFFF
+local warning_color = 0xFFFF00
+local error_color = 0xDD0000
+local direction = 0
+
+local notify = {}
+notify.__index = notify
+setmetatable(notify, notify)
+
+local function hud_remove(player, playername)
+	local hud = huds[playername]
+	if not hud then return end
+	if os.time() < hud_timeout_seconds + hud.time then
+		return
+	end
+	player:hud_remove(hud.id)
+	huds[playername] = nil
+end
+
+local function hud_create(player, message, params)
+	local playername = player:get_player_name()
+	local def = type(params) == "table" and params or {}
+	def.position = def.position or position
+	def.alignment = def.alignment or alignment
+	def.number = def.number or def.color or normal_color
+	def.color = nil
+	def.position = def.position or position
+	def.direction = def.direction or direction
+	def.text = message or def.text
+	def.hud_elem_type = def.hud_elem_type or "text"
+	def.name = mod_name .. "_feedback"
+	local id = player:hud_add(def)
+	huds[playername] = {
+		id = id,
+		time = os.time(),
+	}
+end
+
+notify.warn = function(player, message)
+	notify(player, message, {color = warning_color })
+end
+
+notify.warning = notify.warn
+
+notify.err = function(player, message)
+	notify(player, message, {color = error_color })
+end
+
+notify.error = notify.err
+
+notify.__call = function(self, player, message, params)
+	local playername
+	if type(player) == "string" then
+		playername = player
+		player = minetest.get_player_by_name(playername)
+	elseif player and player.get_player_name then
+		playername = player:get_player_name()
+	else
+		return
+	end
+	message = "[" .. mod_name .. "] " .. message
+	local hud = huds[playername]
+	if hud then
+		player:hud_remove(hud.id)
+	end
+	hud_create(player, message, params)
+	minetest.after(hud_timeout_seconds, function()
+		hud_remove(player, playername)
+	end)
+end
+
+return notify