This describes what game map static and dynamic data is, how is it sent (high level, not detailed explanation), and how is it cached in client

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1.1 Static data

Static data is any data in map, which never changes, or which's attributes or properties never change.
That involves (but is not limited only to):

• walls (position, texture identifier, rotation)
• decoration items (position, texture identifier)
• monster + player spawn points (position, attributes such as spawn interval, max distance, etc.)

1.2 Dynamic data

Dynamic data is any data in map, which can change, or which's attributes or properties can change.
That involves (but is not limited only to):

• path nodes (position, transitions to other nodes)
• monsters (position, monster ID)
• players (position, texture identifier, rotation, all atributes)
• useable items (position, ID, attributes, state...)

Dynamic data is always sent to client when he transitions between maps.

1.3 Static data caching

Static data is sent to client only once, when he transitions between maps (or connects to map).
Client caches this data, and if he later joins map, for which he already has static data cached, the static data is not requested from server and not sent at all, saving network bandwith.