-- Viewport Stats Copyright © 2011 Jiovanie Velazquez
-- v1.0 9/2/2011
-- Shows the total triangle count of selected meshes whether or not "viewport statistics" is active.

-- "QuoteWare" license (idea stolen from Martin Breidt):
-- If you use one of my scripts in a production environment with a group of more than two people,
-- then you are obliged to tell me about it and allow me to list that project title and your 
-- company name as a reference on my website.  This tool will remain free and opensource, so this 
-- really is a very small thing to ask in exchange  for using them. I hope you all agree. 
-- Thanks, and looking forward to hearing from your project!	
   
   
-- If the callback already exists, get rid of it before doing anything else
unregisterRedrawViewsCallback GW_drawTriangleCount
fn GW_drawTriangleCount =
(
	fn getTriCount obj =
	(
		local triCount = 0
		local totalCount = 0
		if selection.count != 0 then
			(
				-- Count triangles in selected objects and keep a running total count
                for i in selection do
				(
					triCount = (getTrimeshFaceCount i)[1]
					totalCount += triCount
				)
				return (totalCount as string) + " Triangles"
			)
		else return "Nothing selected"
	)
-- get the center of the window's width
local winWidth = (gw.getWinSizeX() / 2 - 20)
-- run the function and display the triangle count in the ~upper center of the viewport
gw.wtext [winWidth, 19, 10] (getTriCount selection)
)
registerRedrawViewsCallback GW_drawTriangleCount