Added HUD text to show protected areas

hud.lua

@@ -0,0 +1,60 @@
+
+local radius = (tonumber(minetest.setting_get("protector_radius")) or 5)
+local hud = {}
+local hud_timer = 0
+
+minetest.register_globalstep(function(dtime)
+
+	hud_timer = hud_timer + dtime
+	if hud_timer < 5 then
+		return
+	end
+	hud_timer = 0
+
+	for _, player in pairs(minetest.get_connected_players()) do
+
+		local name = player:get_player_name()
+		local pos = vector.round(player:getpos())
+		local hud_text = "You can build here"
+
+		local protectors = minetest.find_nodes_in_area(
+			{x=pos.x -radius , y=pos.y -radius , z=pos.z -radius},
+			{x=pos.x +radius , y=pos.y +radius , z=pos.z +radius},
+			{"protector:protect","protector:protect2"})
+
+		if #protectors > 0 then
+			local npos = protectors[1]
+			local meta = minetest.get_meta(npos)
+			local nodeowner = meta:get_string("owner")
+
+			hud_text = "Owned by: " .. nodeowner
+		end
+
+		if not hud[name] then
+
+			hud[name] = {}
+
+			hud[name].id = player:hud_add({
+				hud_elem_type = "text",
+				name = "Protector Area",
+				number = 0xFFFF22,
+				position = {x=0, y=0.95},
+				offset = {x=8, y=-8},
+				text = hud_text,
+				scale = {x=200, y=60},
+				alignment = {x=1, y=-1},
+			})
+
+			return
+
+		else
+
+			player:hud_change(hud[name].id, "text", hud_text)
+		end
+	end
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	hud[player:get_player_name()] = nil
+end)
+