Multi-Player MIDP Game Programming

Contents
1. Introduction...............................6
2. MIDP User Interface....................7
3. MIDP 1.0 Communication Technologies.......................8
3.1. Sharing a Phone..........................................8
3.2. HTTP......................................................8
3.3. Other Protocols..............................................9
4. MIDP 2.0 Communication Technologies...................10
4.1. HTTPS.............................................................10
4.2. TCP...............................................................10
4.3. UDP..........................................................10
4.4. Serial Cable..................................11
4.5. Infra-Red (IrDA)..........................11
5. MIDP “Optional Package” Communication Technologies..............................................12
5.1. Bluetooth....................................12
5.2. SMS..............................................12
5.3. MMS...........................................13
6. Game Server Technologies........................14
6.1. HTTP and HTTPS..................................14
6.2. TCP and UDP..................................14
6.3. SMS and MMS..............................14
7. Game Types...............................15
7.1. Multiplayer Solo-Play Games........................15
7.2. Turn-Based Games..........................15
7.2.1 Round-robin games..........................15
7.2.2 Simultaneous movement games.....................15
7.3. “Act Whenever” Games.............................16
7.4. Slow Update Games.........................16
8. Common Multiplayer Game Features............................17
8.1. Persistent User Accounts..............................17
8.2. Lobbies......................................17
8.3. High-Score Tables..............................17
8.4. Inter-Player Chat..............................17
8.5. Displaying Latency (“Ping”).........................17
8.6. Displaying Packet Use..................................18
9. References..............................................19
Appendix A. Summary of MIDP Communication Protocols..................................................21
Multi-Player

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