Initial commit

gamemodes/sandbox/gamemode/cl_hints.lua

@@ -0,0 +1,65 @@
+
+
+local cl_showhints = CreateClientConVar( "cl_showhints", "1", true, false, "Whether to display popup hints." )
+
+-- A list of hints we've already done so we don't repeat ourselves
+local ProcessedHints = {}
+
+--
+-- Handles looking up bindings
+--
+local function LookupBinding( group )
+
+	local key = input.LookupBinding( group )
+
+	if ( !key ) then
+		return "'" ..  string.lower( group ) .. " not bound'"
+	end
+
+	return "'" ..  string.upper( key ) .. "'"
+
+end
+
+--
+-- Throws a Hint to the screen
+--
+local function ThrowHint( name )
+	if ( !cl_showhints:GetBool() || engine.IsPlayingDemo() ) then return end
+
+	local text = language.GetPhrase( "Hint_" .. name )
+	text = string.gsub( text, "%%([^%%]+)%%", LookupBinding )
+
+	GAMEMODE:AddNotify( text, NOTIFY_HINT, 20 )
+
+	surface.PlaySound( "ambient/water/drip" .. math.random( 1, 4 ) .. ".wav" )
+
+end
+
+
+--
+-- Adds a hint to the queue
+--
+function GM:AddHint( name, delay )
+
+	if ( ProcessedHints[ name ] ) then return end
+
+	timer.Create( "HintSystem_" .. name, delay, 1, function() ThrowHint( name ) end )
+	ProcessedHints[ name ] = true
+
+end
+
+--
+-- Removes a hint from the queue
+--
+function GM:SuppressHint( name )
+
+	timer.Remove( "HintSystem_" .. name )
+
+end
+
+-- Show opening menu hint if they haven't opened the menu within 30 seconds
+GM:AddHint( "OpeningMenu", 30 )
+
+-- Tell them how to turn the hints off after 1 minute
+GM:AddHint( "Annoy1", 5 )
+GM:AddHint( "Annoy2", 7 )