from pymaxwell4 import *
import os

def createMxsFromCameras(oldMxsPath, mxsPath):
	scene = Cmaxwell(mwcallback);
	if scene.readMXS(oldMxsPath):
		cameras = scene.getCameraNames()
		folder = os.path.splitext(mxsPath)[0]
		#folder = folder.replace('%','_')
		os.mkdir(os.path.join(os.path.dirname(mxsPath),folder))
		for camname in cameras:
			if not scene.getCamera(camname).isNull():
				if scene.getCamera(camname).setActive():
					print("Setting camera "+camname+" as active")
					filename = os.path.basename(mxsPath)
					filename = filename.replace('%cameraname%',camname)
					outpath = os.path.join(os.path.dirname(mxsPath),folder,filename)
					if scene.writeMXS(outpath):
						print(outpath+" saved sucessfully")
					else:
						print("Error saving "+outpath)
				else:
					print("Error setting camera "+camname+" as active")
			else:
				print("Error reading camera "+camname)
	else:
		print("Error reading scene");
	print("END");

if __name__ == "__main__":
# This is the path and name of the generated mxs files. 
# %cameraname% is a macro that is replaced with the name of the camera. Customize as you will. Please notice the "/"; this separator "\" is not valid.
	mxsPath = 'C:/scene/scene-%cameraname%.mxs'
# Mxs path and name of the scene with several cameras. Customize as you will. Please notice the "/"; this separator "\" is not valid.
	oldMxsPath = 'C:/scene/MXS_file_with_several_cameras.mxs'
	createMxsFromCameras(oldMxsPath, mxsPath)