Initial commit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

Readme.md

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+This mod hides the existing tags, and adds entity based tags that are only as visible as the player.

init.lua

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+local nametags = {}
+local checktimer = 0
+
+function addtag(player)
+    local pos = player:getpos()
+    local ent = minetest.env:add_entity(pos, "playertag:tag")
+			local color = "W"
+			local texture = "npcf_tag_bg.png"
+			local x = math.floor(134 - ((player:get_player_name():len() * 11) / 2))
+			local i = 0
+			player:get_player_name():gsub(".", function(char)
+				if char:byte() > 64 and char:byte() < 91 then
+					char = "U"..char
+				end
+				texture = texture.."^[combine:84x14:"..(x+i)..",0="..color.."_"..char..".png"
+				i = i + 11
+			end)
+			ent:set_properties({textures={texture}})
+                        
+    if ent ~= nil then
+       ent:set_attach(player, "", {x=0,y=9,z=0}, {x=0,y=0,z=0})
+	   nametags[player:get_player_name()] = ent
+       ent = ent:get_luaentity() 
+       ent.wielder = player
+    end
+	--minetest.chat_send_all("tag made for "..player:get_player_name())
+end
+
+function removetag(player)
+	local tag = nametags[player:get_player_name()]
+	if tag then
+		tag:remove()
+		tag = nil
+	end
+end
+
+local nametag = {
+	npcf_id = "nametag",
+	physical = false,
+	collisionbox = {x=0, y=0, z=0},
+	visual = "sprite",
+	textures = {"default_dirt.png"},--{"npcf_tag_bg.png"},
+	visual_size = {x=2.16, y=0.18, z=2.16},--{x=1.44, y=0.12, z=1.44},
+	on_activate = function(self, staticdata, dtime_s)
+		if staticdata == "expired" then
+			if self.wielder then
+				removetag(wielder)
+			else
+				self.object:remove()
+			end
+		end
+	end,
+	get_staticdata = function(self)
+		return "expired"
+	end,
+}
+minetest.register_on_joinplayer(function(player)
+    if not player.tag then
+			player:set_nametag_attributes({
+				color = {a = 0, r = 0, g = 0, b = 0}
+			})
+    end
+end)
+
+minetest.register_globalstep(function(dtime)
+for _, player in ipairs(minetest.get_connected_players()) do
+    if not player.tag then
+    			player:set_nametag_attributes({
+				color = {a = 0, r = 0, g = 0, b = 0}
+			})
+    end
+end
+end)
+minetest.register_globalstep(function(dtime)
+	if checktimer > 10 then
+		checktimer = 0
+		for _, player in pairs(minetest.get_connected_players()) do
+			if nametags[player:get_player_name()]:get_luaentity() == nil then 
+				addtag(player)
+				--minetest.chat_send_all("tag made for "..player:get_player_name())
+			else
+				nametags[player:get_player_name()]:set_attach(player, "", {x=0,y=9,z=0}, {x=0,y=0,z=0})
+			end
+		end
+	else
+		checktimer = checktimer + dtime
+	end
+end)
+--
+function nametag:on_step(dtime)
+	local wielder = self.wielder
+	if wielder == nil then
+		self.object:remove()
+		 return
+	elseif minetest.env:get_player_by_name(wielder:get_player_name()) == nil then
+		self.object:remove()
+		return
+	else
+		--self.object:set_attach(wielder, "", {x=0,y=9,z=0}, {x=0,y=0,z=0})
+	end
+end
+
+minetest.register_entity("playertag:tag", nametag)
+
+minetest.register_on_joinplayer(function (player)
+	addtag(player)
+end)
+
+minetest.register_on_leaveplayer(function (player)
+	removetag(player)
+end)