Add 'hidename' mod

mods/player_visuals/hidename/init.lua

@@ -0,0 +1,58 @@
+--[[ LICENSE HEADER
+  
+  The MIT License (MIT)
+  
+  Copyright © 2017 Jordan Irwin
+  
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+  of the Software, and to permit persons to whom the Software is furnished to do
+  so, subject to the following conditions:
+  
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+  
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+  SOFTWARE.
+  
+--]]
+
+
+-- TODO: Argument to check visible state
+-- FIXME: Use "text" attribute instead of "color" alpha???
+
+-- Default alpha level (FIXME: Should be player attribute)
+local stored_alpha = 255
+
+-- The "hidename" chat command
+minetest.register_chatcommand('hidename', {
+	description = 'Hide or show nametag',
+	func = function(name, param)
+		local player = minetest.get_player_by_name(name)
+		local nametag_color = player:get_nametag_attributes().color
+		local alpha = nametag_color.a
+		
+		if alpha == 0 then
+			minetest.chat_send_player(name, 'Setting nametag shown')
+			
+			nametag_color.a = stored_alpha
+		else
+			minetest.chat_send_player(name, 'Setting nametag hidden')
+			
+			nametag_color.a = 0
+		end
+		
+		player:set_nametag_attributes({
+			color = nametag_color,
+		})
+		
+		-- FIXME: Needs return value
+	end
+})