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lua/includes/modules/gamemode.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+local gmod			= gmod
+local Msg			= Msg
+local hook			= hook
+local table			= table
+local baseclass		= baseclass
+
+--[[---------------------------------------------------------
+	Name: gamemode
+	Desc: A module to manage gamemodes
+-----------------------------------------------------------]]
+module( "gamemode" )
+
+local GameList = {}
+
+--[[---------------------------------------------------------
+	Name: RegisterGamemode( table, string )
+	Desc: Used to register your gamemode with the engine
+-----------------------------------------------------------]]
+function Register( t, name, derived )
+
+	local CurrentGM = gmod.GetGamemode()
+
+	if ( CurrentGM ) then
+
+		if ( CurrentGM.FolderName == name ) then
+			table.Merge( CurrentGM, t )
+			Call( "OnReloaded" );
+		end
+
+		if ( CurrentGM.BaseClass && CurrentGM.BaseClass.FolderName == name ) then
+			table.Merge( CurrentGM.BaseClass, t )
+			Call( "OnReloaded" );
+		end
+
+	end
+
+	-- This gives the illusion of inheritence
+	if ( name != "base" ) then
+
+		local basetable = Get( derived )
+		if ( basetable ) then
+			t = table.Inherit( t, basetable )
+		else
+			Msg( "Warning: Couldn't find derived gamemode (", derived, ")\n" )
+		end
+
+	end
+
+	GameList[ name ] = t
+
+	--
+	-- Using baseclass for gamemodes kind of sucks, because
+	-- the base gamemode is called "base" - and they have to all be unique.
+	-- so here we prefix the gamemode name with "gamemode_" - and when using
+	-- DEFINE_BASECLASS you're expected to do the same.
+	--
+	baseclass.Set( "gamemode_" .. name, t )
+
+end
+
+--[[---------------------------------------------------------
+	Name: Get( string )
+	Desc: Get a gamemode by name.
+-----------------------------------------------------------]]
+function Get( name )
+	return GameList[ name ]
+end
+
+--[[---------------------------------------------------------
+	Name: Call( name, args )
+	Desc: Calls a gamemode function
+-----------------------------------------------------------]]
+function Call( name, ... )
+
+	local CurrentGM = gmod.GetGamemode()
+
+	-- If the gamemode function doesn't exist just return false
+	if ( CurrentGM && CurrentGM[name] == nil ) then return false end
+
+	return hook.Call( name, CurrentGM, ... )
+
+end