21.05.2012, 16:23
I am not sure if I understood the question right, but:
1. create a starting checkpoint
2. when the player is in the checkpoint, allow him to start the mission
3. set a new checkpoint to the delivery position
4. when the player enters the new checkpoint, create new checkpoint at the starting point
5. when the player enters the starting point again, he gets the materials
1. create a starting checkpoint
2. when the player is in the checkpoint, allow him to start the mission
3. set a new checkpoint to the delivery position
4. when the player enters the new checkpoint, create new checkpoint at the starting point
5. when the player enters the starting point again, he gets the materials