local _Material			= Material( "pp/toytown-top" )
_Material:SetMaterialTexture( "$fbtexture", render.GetScreenEffectTexture() )

/*---------------------------------------------------------
   Register the convars that will control this effect
---------------------------------------------------------*/   
local pp_toytown 			= CreateClientConVar( "pp_toytown", 				"0", 		true, false )
local pp_toytown_passes		= CreateClientConVar( "pp_toytown_passes", 			"3", 		false, false )
local pp_toytown_size		= CreateClientConVar( "pp_toytown_size", 			"0.4", 		false, false )

function DrawToyTown( NumPasses, H )
	cam.Start2D()
	
	surface.SetMaterial( _Material )
	surface.SetDrawColor( 255, 255, 255, 255 )
	
	for i=1, NumPasses do
	
		render.UpdateScreenEffectTexture()
		
		surface.DrawTexturedRect( 0, 0, ScrW(), H )
		surface.DrawTexturedRectRotated( ScrW() * 0.5, ScrH() - H * 0.5, ScrW(), H, 180 )
	
	end
	
	cam.End2D()
end

local function DrawInternal()

	if ( !pp_toytown:GetBool() ) then return end
	if ( !GAMEMODE:PostProcessPermitted( "toytown" ) ) then return end
	if ( !render.SupportsPixelShaders_2_0() ) then return end

	local NumPasses = pp_toytown_passes:GetInt()
	local H = ScrH() * pp_toytown_size:GetFloat();
	
	DrawToyTown( NumPasses, H )
	
end

hook.Add( "RenderScreenspaceEffects", "RenderToyTown", DrawInternal )



local function BuildControlPanel( CPanel )

	CPanel:AddControl( "Header", { Text = "#Toy Town", Description = "#Toy Town" }  )
	CPanel:AddControl( "CheckBox", { Label = "#Enable", Command = "pp_toytown" }  )
	
	CPanel:AddControl( "Slider", { Label = "#Passes", Command = "pp_toytown_passes", Type = "Int", Min = "1", Max = "100" }  )
	CPanel:AddControl( "Slider", { Label = "#Height", Command = "pp_toytown_size", Type = "Float", Min = "0", Max = "1" }  )

end

hook.Add( "PopulateToolMenu", "AddPostProcessMenu_ToyTown", function() spawnmenu.AddToolMenuOption( "PostProcessing", "PPShader", "ToyTown", "#Toy Town", "", "", BuildControlPanel, { SwitchConVar = "pp_toytown" } ) end )