G.DrawSunbeams

if CLIENT then
	local ppex_sunbeams 			= CreateClientConVar( "ppex_sunbeams", 				"0", 		true, false )
	local ppex_sunbeams_ignore 		= CreateClientConVar( "ppex_sunbeams_ignore", 			"0", 		false, false )
	local ppex_sunbeams_darken	= CreateClientConVar( "ppex_sunbeams_darken", 		"0.95", 	false, false )
	local ppex_sunbeams_multiply  = CreateClientConVar( "ppex_sunbeams_multiply", 	"1.0", 		false, false )
	local ppex_sunbeams_sunsize	= CreateClientConVar( "ppex_sunbeams_sunsize", 		"0.075", 	false, false )
 
	local ppex_sunbeams_x_offset	= CreateClientConVar( "ppex_sunbeams_x_offset", 		"0.000", 	false, false )
	local ppex_sunbeams_y_offset	= CreateClientConVar( "ppex_sunbeams_y_offset", 		"0.000", 	false, false )
	local ppex_sunbeams_z_offset	= CreateClientConVar( "ppex_sunbeams_z_offset", 		"0.000", 	false, false )
 
	local function DrawInternal()
		local modx = ppex_sunbeams_x_offset:GetFloat()
		local mody = ppex_sunbeams_y_offset:GetFloat()
		local modz = ppex_sunbeams_z_offset:GetFloat()
 
		local sun = util.GetSunInfo()
		if (!sun) then return end
 
		if !ppex_sunbeams_ignore:GetBool() && (sun.obstruction == 0) then return end
 
		sun.direction.x = sun.direction.x + modx
		sun.direction.y = sun.direction.y + mody
		sun.direction.z = sun.direction.z + modz
 
		local sunpos = EyePos() + sun.direction * 4096
		local scrpos = sunpos:ToScreen()
 
		local dot = (sun.direction:Dot( EyeVector() ) - 0.8) * 5
		if (dot <= 0) then return end
 
		local newmul = ppex_sunbeams_multiply:GetFloat()
		if ppex_sunbeams_ignore:GetBool() then
			newmul = newmul * dot
		else
			newmul = newmul * dot * sun.obstruction
		end
 
		DrawSunbeams( ppex_sunbeams_darken:GetFloat(),
					newmul,
					ppex_sunbeams_sunsize:GetFloat(), 
					scrpos.x / ScrW(), 
					scrpos.y / ScrH()
					);
 
	end
	hook.Add( "RenderScreenspaceEffects", "CocksPostProcess", DrawInternal )
 
	/*
	// Control Panel
	*/
	local function BuildControlPanel( CPanel )
 
		CPanel:AddControl( "Header", { Text = "Sun Beams EX", Description = "Sun Beams EX" }  )
		CPanel:AddControl( "CheckBox", { Label = "#Enable", Command = "ppex_sunbeams" }  )
		CPanel:AddControl( "CheckBox", { Label = "Ignore Obstruction", Command = "ppex_sunbeams_ignore" }  )
 
		CPanel:AddControl( "Slider", { Label = "#Multiply", Command = "ppex_sunbeams_multiply", Type = "Float", Min = "0", Max = "1" }  )
		CPanel:AddControl( "Slider", { Label = "#Darken", Command = "ppex_sunbeams_darken", Type = "Float", Min = "0", Max = "1" }  )
		CPanel:AddControl( "Slider", { Label = "#Sun Size", Command = "ppex_sunbeams_sunsize", Type = "Float", Min = "0.01", Max = "0.25" }  )	
 
		CPanel:AddControl( "Slider", { Label = "Sun X Offset", Command = "ppex_sunbeams_x_offset", Type = "Float", Min = "-1.5", Max = "1.5" }  )
		CPanel:AddControl( "Slider", { Label = "Sun Y Offset", Command = "ppex_sunbeams_y_offset", Type = "Float", Min = "-1.5", Max = "1.5" }  )
		CPanel:AddControl( "Slider", { Label = "Sun Z Offset", Command = "ppex_sunbeams_z_offset", Type = "Float", Min = "-1.5", Max = "1.5" }  )
	end
 
	/*
	// Tool Menu
	*/
	local function AddPostProcessMenu()
		spawnmenu.AddToolMenuOption( "PostProcessing", "PPShader", "SunBeamsMod", "Sun Beams Mod", "", "", BuildControlPanel, { SwitchConVar = "ppex_sunbeams" } )
	end
	hook.Add( "PopulateToolMenu", "AddPostProcessMenu_SunBeamsEX", AddPostProcessMenu )
 
end