-- #################################################################
-- ## WARNING : this is a generated file, don't change it !
-- #################################################################


-- Allocate 20 Me for the script
heapSize += 15000000

nlErrorFilename = "%OutputLogfile%"
nlErrorStream = openFile nlErrorFilename mode:"a"
if nlErrorStream == undefined then
	nlErrorStream = createFile nlErrorFilename

-- Unhide category
fn unhidecategory =
(
	if (geometry.count > 0) then
	(
		unhide geometry[1]
		if (geometry[1].ishidden == true) then
			max hide object toggle
	)
	if (shapes.count > 0) then
	(
		unhide shapes[1]
		if (shapes[1].ishidden == true) then
			max hide shape toggle
	)
	if (lights.count > 0) then
	(
		unhide lights[1]
		if (lights[1].ishidden == true) then
			max hide light toggle
	)
	if (cameras.count > 0) then
	(
		unhide cameras[1]
		if (cameras[1].ishidden == true) then
			max hide camera toggle
	)
	if (helpers.count > 0) then
	(
		unhide helpers[1]
		if (helpers[1].ishidden == true) then
			max hide helper toggle
	)
)

-- Log a message
fn nlerror message =
(
	if nlErrorStream != undefined then
	(
		format "%\n" message to:nlErrorStream
		flush nlErrorStream
	)

	-- To the console
	print message
)



-- Some globals

NEL3D_APPDATA_ACCEL = 1423062561			-- type of accelerator :	"32" = is not an accelerator and IS clusterized 
											--							 "0" = is not an accelerator and IS NOT clusterized (always visible)
											--							 "1" = is an accelerator type PORTAL
											--							 "2" = is an accelerator type CLUSTER
											--							 "6" = is an accelerator type CLUSTER FATHER-VISIBLE
											--							"10" = is an accelerator type CLUSTER VISIBLE-FROM-FATHER
											--							"14" = is an accelerator type CLUSTER FATHER-VISIBLE and VISIBLE-FROM-FATHER
											--							"17" = is an accelerator type PORTAL DYNAMIC
																			 
NEL3D_APPDATA_DONOTEXPORT = 1423062565		-- do not export me : "undefined" = export me
											--							  "0" = export me
											--							  "1" = DONT export me

NEL3D_APPDATA_IGNAME = 1423062564			-- string : name of the Instance Group

NEL3D_APPDATA_LOD_NAME_COUNT_MAX	= 10
NEL3D_APPDATA_LOD					= 1423062537
NEL3D_APPDATA_LOD_NAME_COUNT		= NEL3D_APPDATA_LOD
NEL3D_APPDATA_LOD_NAME				= NEL3D_APPDATA_LOD_NAME_COUNT+1
NEL3D_APPDATA_LOD_BLEND_IN			= NEL3D_APPDATA_LOD_NAME+NEL3D_APPDATA_LOD_NAME_COUNT_MAX
NEL3D_APPDATA_LOD_BLEND_OUT			= NEL3D_APPDATA_LOD_BLEND_IN+1
NEL3D_APPDATA_LOD_COARSE_MESH		= NEL3D_APPDATA_LOD_BLEND_OUT+1

NEL_OBJECT_NAME_DATA				= 1970


-- This node is n accelerator ?
fn isAccelerator node =
(
	accel = getappdata node NEL3D_APPDATA_ACCEL
	if (accel != undefined) then
	(
		if (accel == "0") or (accel == "32") then
			return false
		else
			return true
	)
	return false
)

-- Get the ig name of this object
fn getIg node =
(
	return (getappdata node NEL3D_APPDATA_IGNAME)
)


fn runNelMaxExport inputMaxFile = 
(
	tagThisFile = true
	
	-- Unhide category
	unhidecategory()
	
	-- Unhide
	max unhide all
	
	-- unselect
	max select none
	
	-- Exported object count
	exported = 0
	
	-- Ig array
	ig_array = #()
	
	-- Scan all the ig in this project
	for node in objects do
	(
		ig = getIg node
		if ( (ig != undefined) and (ig != "") ) then
		(
			-- Found ?
			found = false
			
			-- Already found ?
			for j = 1 to ig_array.count do
			(
				if (ig_array[j]==ig) then
				(
					found = true
					exit
				)
			)
			
			-- Found ?
			if (found == false) then
			(
				append ig_array ig
			)
		)
	)
	
	-- Have some ig ?
	if (ig_array.count != 0) then
	(
		-- For each ig
		for ig = 1 to ig_array.count do
		(
			-- Output filename
			outputNelFile = ("%OutputDirectory%/" + ig_array[ig] + ".ig")
			
			-- Check date
			if (NeLTestFileDate outputNelFile inputMaxFile) == true then
			(
				-- Select none
				max select none
				
				-- Select all node in this ig
				for node in geometry do
				(
					-- Select it if in the ig
					if ((getIg node) == ig_array[ig]) then
						selectmore node
				)
				-- Select all lights in this ig
				for node in lights do
				(
					-- Select it if in the ig
					if ((getIg node) == ig_array[ig]) then
						selectmore node
				)
				-- Select all lights in this ig
				for node in helpers do
				(
					-- Select it if in the ig
					if ((getIg node) == ig_array[ig]) then
						selectmore node
				)
				
				-- Check export
				try
				(
					-- Export the ig
					instancegroup2export = $selection as array
					if (NelExportInstanceGroup instancegroup2export outputNelFile) == true then
					(
						nlerror("OK " + outputNelFile)
					)
					else
					(
						-- Error
						nlerror("ERROR exporting ig " + ig_array[ig] + " in file " + inputMaxFile)
						tagThisFile = false
					)
				)
				catch
				(
					-- Error
					nlerror("ERROR fatal error exporting ig " + ig_array[ig] + " in file " + inputMaxFile)
					tagThisFile = false
				)
			)
			else
			(
				nlerror("SKIPPED " + outputNelFile)
			)
		)
	)
	else
	(
		-- Error
		nlerror("WARNING nothing exported from ig max file " + inputMaxFile)
	)
	
	return tagThisFile
)



try
(
	-- Get files in the %MaxSourceDirectory% directory
	files = getFiles "%MaxSourceDirectory%/*.max" 
	gc()
	
	-- Sort files
	sort files
	gc()
	
	-- No file ?
	if files.count != 0 then
	(
		-- For each files
		for i = 1 to files.count do
		(
			inputMaxFile = files[i]
			outputTagFile = ("%TagDirectory%/" + (getFilenameFile inputMaxFile) + (getFilenameType inputMaxFile) + ".tag")
			
			try
			(
				-- Compare file date
				if (NeLTestFileDate outputTagFile inputMaxFile) == true then
				(
					-- Free memory and file handles
					gc()
					heapfree
					
					-- Reset 3dsmax
					resetMAXFile #noprompt
					
					-- Open the max project
					nlerror("Scanning file " + inputMaxFile + " ...")
					if (loadMaxFile inputMaxFile quiet:true) == true then
					(
						tagThisFile = runNelMaxExport(inputMaxFile)
						
						-- Write a tag file
						if tagThisFile == true then
						(
							tagFile = createFile outputTagFile
							if tagFile == undefined then
							(
								nlerror("WARNING can't create tag file " + outputTagFile)
							)
							else
							(
								print "mukyu" to: tagFile
								close tagFile
							)
						)
					)
					else
					(
						-- Error
						nlerror("ERROR exporting 'ig': can't open the file " + inputMaxFile)
					)
				)
				else
				(
					nlerror("SKIPPED BY TAG " + inputMaxFile)
				)
			)
			catch 
			(
				-- Error
				nlerror("ERROR error exporting 'ig' in files " + inputMaxFile)
			)
		)
	)
	else
	(
		nlerror("WARNING no *.max file in folder %MaxSourceDirectory%")
	)
)
catch 
(
	-- Error
	nlerror("ERROR fatal error exporting 'ig' in folder %MaxSourceDirectory%")
)

-- Bye

resetMAXFile #noprompt
quitMAX #noPrompt
quitMAX() #noPrompt