Changes to CuraEngineBackend plugin. The plugin does not work correctly, will visit later

Commands/TransferMeshCommand.py

@@ -6,7 +6,16 @@ class TransferMeshCommand(Command):
         super(TransferMeshCommand,self).__init__()
     
     def send(self, mesh_data):
-        vertices = mesh_data.getVertices()
+        vertices = mesh_data.getVerticesList()
+        self._socket.sendCommand(0x00200001, len(vertices)) # Tell other side that mesh with num vertices is going to be sent.
+        
         command = TransferVertCommand(self._socket)
-        for vertex in vertices:
-            command.send(vertex)
+        command.send(vertices)
+        
+        
+    def recieve(self):
+        command_id, data = self._socket.getNextCommand()
+        if(command_id is not 0x00200001):
+            print("Wrong command!")
+            return None
+        unpacked_data = struct('

Commands/TransferMeshesCommand.py

@@ -6,7 +6,14 @@ class TransferMeshesCommand(Command):
         super(TransferMeshesCommand,self).__init__()
         
     def send(self, meshes):
+        self._socket.sendCommand(0x00200000,len(meshes)) # Tell other side that n meshes are going to be sent.
         command = TransferMeshCommand(self._socket)
         for mesh in meshes:
             command.send(mesh)
-            
+    
+    def recieve(self, num_meshes):
+        meshes = []
+        command = TransferMeshCommand(self._socket)
+        for x in range(0,num_meshes):
+            meshes.append(command.recieve())
+        return meshes

Commands/TransferVertCommand.py

@@ -1,8 +0,0 @@
-from Cura.Backend.Command import Command
-
-class TransferVertCommand(Command):
-    def __init__(self):
-        super(TransferVertCommand,self).__init__()
-         
-    def send(self, vertex):
-        self._socket.sendData(self._id, vertex.toString())

Commands/TransferVerticeListCommand.py

@@ -0,0 +1,8 @@
+from Cura.Backend.Command import Command
+
+class TransferVerticeListCommand(Command):
+    def __init__(self):
+        super(TransferVertCommand,self).__init__()
+         
+    def send(self, vertices):
+        self._socet.sendCommandPacked(0x00200002, vertices.toString()) # Send vertex list