#!BPY
"""
Name: 'Autosave Render'
Blender: 245
Group: 'Wizards'
Tooltip: 'Automaticly save every rendered image'
"""

__author__ = ["macouno"]
__url__ = ("http://www.alienhelpdesk.com")
__version__ = "1"
__bpydoc__ = """\

Autosave Render 1

Use this script as a script link linked to the scene set to execute on render.
It uses the directory and filename as found in the ouput dialogue (render buttons).

"""

# ***** BEGIN GPL LICENSE BLOCK *****
#
# Script copyright (C) macouno 2006
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
# ***** END GPL LICENCE BLOCK *****
# --------------------------------------------------------------------------

import os
import Blender
from Blender import Scene, sys
from Blender.Scene import Render

if Blender.event == "PostRender":

	# A list of all extensions used in blender
	imageExtensions = ['.tga','.rgb','.tga','3','.jpg','5','6','7','8','9','10','11','12','13','.tga','.avi','.avi','.png','.avi','19','.bmp','.hdr','.tiff','.exr','24','.tga','.cin','27','.exr','.dds']

	# Get the scene and rendering context
	scn = Scene.GetCurrent()
	context = scn.getRenderingContext()

	# Get the render settings
	renderpath = context.renderPath
	imagetype = context.imageType
	extension = imageExtensions[imagetype]

	# Get the directory and filename
	dirname = sys.expandpath(sys.dirname(renderpath))
	filename = sys.basename(renderpath)

	# Set default image number
	imagenr = 1;

	# See if the directory exists and if so see if an autosave has been done before and what the highest nr was
	if os.path.exists(dirname):

		for f in os.listdir(dirname):
			fname = sys.basename(f)
			fname, ext= sys.splitext(fname)
			fparts = fname.split('_')

			# No need to continue unless the filename matches
			if len(fparts) > 1 and fparts[0] == filename:
				fnr = fparts[(len(fparts)-1)]
				
				# If a nr was entered that is bigger than the default... add one to that nr and use as new number
				if fnr and str(fnr).isalnum() and int(fnr) >= imagenr:
					imagenr = int(fnr) +1
		
	# Make sure the number made is 4 digits long padded with 0's on the left
	imagenr = str(imagenr).rjust(4, '0')

	# Make a nice extension including the nr
	extension = filename + '_' + imagenr + extension

	# Make as a new path
	newpath = dirname + sys.sep + extension

	# Set path. Save the rendered image. Reset path.
	context.renderPath = newpath;
	context.saveRenderedImage('', 0)
	context.renderPath = renderpath

	print 'Autosaved:', newpath