Seleccion = #()
SelectedObj = undefined

rollout UnionMesh "Attach by Materials" width:162 height:200
(
	pickbutton 'BtnSelectBase' "Pick Material Base Obj" pos:[18,13] width:116 height:37 align:#left
	
	label 'lbl1' "Script version: 0.1  \n By: Juan Camilo Alcaraz  \n www.camiloalcaraz.com" pos:[15,143] width:133 height:60 align:#left
	radiobuttons 'RdoMode' "Mode" pos:[11,61] width:146 height:30 labels:#("Scene", "Selection") columns:2 align:#left
	checkbox 'DelHelpersBtn' "Delete Helpers" pos:[16,103] width:121 height:19 align:#left
	

	on BtnSelectBase picked obj do
	(
			progressStart "Attaching" 
			undo on (
			BaseMat = obj.material
					
			if UnionMesh.RdoMode.state == 1 then (
				Mode = Geometry
			) else (
				Mode = Selection 
				)
			
			if DelHelpersBtn.state == 1 do ( delete helpers)
				
			--delete helpers
				
			for i in Mode do (
				
				i.pivot = [0,0,0]
				if i.material == BaseMat do (
						appendifunique Seleccion i
					)
					
			)
			
				if Seleccion.count >= 2 do (
					print Seleccion.count
					convertToPoly Seleccion[1]
					for i = 2 to Seleccion.count do (
							
							progressUpdate (i * 100 / Seleccion.count)		
	
						--	windows.processPostedMessages()	--avoid script freezes	
							polyop.attach Seleccion[1] Seleccion[i]
							--Seleccion[1] + Seleccion[i]
						)
				)
				
				if ( Seleccion[1] != undefined) do (
				Seleccion[1].wirecolor = black
				Deselect Seleccion[1]
				)
				Seleccion = #()
			)
		progressEnd() 	
			
	)
	
)
createdialog UnionMesh UnionMesh.width UnionMesh.height