First version of draco wrapper for python

maya/.gitignore

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+__pycache__/

maya/draco.py

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+'''
+Usage Example:
+
+from draco import Draco
+
+drc = Draco()
+mesh = drc.decode('path-to-file.drc')
+
+print("")
+print("==== FACES ====")
+print(mesh.faces_num)
+print(mesh.faces[0:10])
+print("")
+print("==== VERTICES ====")
+print(mesh.vertices_num)
+print(mesh.vertices[0:10])
+print("==== NORMALS ====")
+print(mesh.normals_num)
+print(mesh.normals[0:10])
+'''
+
+import os 
+import ctypes
+
+class Drc2PyMesh(ctypes.Structure):
+    _fields_ = [
+				("faces_num", ctypes.c_uint), 
+				("faces", ctypes.POINTER(ctypes.c_uint)),
+				("vertices_num", ctypes.c_uint),
+				("vertices", ctypes.POINTER(ctypes.c_float)),
+				("normals_num", ctypes.c_uint),
+				("normals", ctypes.POINTER(ctypes.c_float))
+			   ]
+
+# TODO: Add integration for UNIX
+class Draco:
+	def __init__(self):
+		dir_path = os.path.dirname(os.path.realpath(__file__))
+		lib_path = os.path.join(dir_path, 'dracodec_maya')
+		self.drc_lib = ctypes.CDLL(lib_path)
+		self.drc_decode = self.drc_lib.drc2py_decode
+		self.drc_decode.argtype = [ ctypes.POINTER(ctypes.c_char), ctypes.c_uint, ctypes.POINTER(ctypes.POINTER(Drc2PyMesh)) ]
+
+	def decode(self, file_path):
+		file = None
+		bytes = None
+		try:
+			file = open(file_path, 'rb')
+			bytes = file.read()
+		except IOError as err:
+			print('[ERROR] Failure opening file: ' + repr(err))
+			return None
+		finally:
+			if file: file.close()
+		
+		size = len(bytes)
+		mesh_ptr = ctypes.POINTER(Drc2PyMesh)()
+		self.drc_decode(bytes, size, ctypes.byref(mesh_ptr))
+		mesh = mesh_ptr.contents
+		return mesh;

maya/draco_example.py

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+from draco import Draco
+
+drc = Draco()
+mesh = drc.decode('bunny.drc')
+
+print("\n==== FACES ====")
+print(mesh.faces_num)
+print(mesh.faces[0:10])
+print("\n==== VERTICES ====")
+print(mesh.vertices_num)
+print(mesh.vertices[0:10])
+print("\n==== NORMALS ====")
+print(mesh.normals_num)
+# print(mesh.normals[0:10])  This mesh has no normals