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1141825605
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Author SHA1 Message Date
Gregor Richards
1141825605 Documenting (somewhat) the new sync system. 2016-12-18 19:28:43 -05:00
Gregor Richards
a20e79bbb5 Server needs double the buffer frames since two connected clients could 
be ahead and behind by the max frames
 2016-12-18 19:28:43 -05:00
Gregor Richards
f7f6590156 Goodbye delay_frames! stateless_mode is the new delay_frames=0 2016-12-18 19:28:43 -05:00
Gregor Richards
45d732a014 New sync system 
The idea:
   * Use a fixed number of delay_frames (eventually to be fixed at 120,
     currently still uses the config variable, 0 will still be an option)
   * Determine how long it takes to simulate a frame.
   * Stall only if resimulating the intervening frames would be
     sufficiently annoying (currently fixed at three frames worth of
     time)

Because clients always try to catch up, the actual frame delay works out
automatically to be minimally zero and maximally the latency. If one
client is underpowered but the other is fine, the powerful one will
automatically take up the slack. Seems like the most reasonable system.
 2016-12-18 19:28:43 -05:00
Gregor Richards
6890456ac0 Updated error messages and fixed some stall-related disconnected-client 
bugs.
 2016-12-18 19:28:43 -05:00
Gregor Richards
6658826759 CRC validity checking. Ignore CRCs if they don't work. 2016-12-18 19:28:43 -05:00
Gregor Richards
a6cd8c3aa1 Error reporting when a password is refused, plus a bugfix so that 
socket_receive_all_nonblocking actually reports disconnects.
 2016-12-18 19:28:43 -05:00
Gregor Richards
df2600fbf4 Added error reporting when a player is not allowed to play. 2016-12-18 19:28:43 -05:00
Gregor Richards
bade067d9a Support for catching up if the netplay peer is ahead of us. 2016-12-18 19:28:43 -05:00
Gregor Richards
4e01481b39 Only allow clients to load state if there's no further synchronization 2016-12-18 19:28:43 -05:00
Gregor Richards
70d04ec6a5 Apparently the frontend gets really pissy if it can't check the flip state 2016-12-18 19:28:43 -05:00
Gregor Richards
da7efcb939 Cleaning up netplay headers. 2016-12-18 19:28:43 -05:00
Gregor Richards
9c6ac2b934 Only the server can flip users. 2016-12-18 19:28:43 -05:00
Gregor Richards
a2d377f089 Adding spectate password to the menu 2016-12-18 19:28:43 -05:00
Gregor Richards
03415c261d Added netplay spectator password separate from play password 2016-12-18 19:28:43 -05:00
Gregor Richards
694b7a9723 Don't allow more players to join than are actually being polled 2016-12-18 19:28:43 -05:00
Gregor Richards
7ad4e3f115 Per-connection stalling 2016-12-18 19:28:43 -05:00
Gregor Richards
1b22191869 Deduplicating some code. 2016-12-18 19:28:43 -05:00
Gregor Richards
24a39078be Adding netplay password to menu. 2016-12-18 19:28:43 -05:00
Gregor Richards
f619789e48 Refactoring: netplay_common.c -> netplay_handshake.c/netplay_delta.c 
Refactoring netplay_common into its two actual components, the handshake
and delta-frame related functions.
 2016-12-18 19:28:43 -05:00
Gregor Richards
4e905bf524 Refactoring: netplay_sync.c 
Renamed netplay_net.c to netplay_sync.c, as all that remains in that
file is synchronization-related functions.
 2016-12-18 19:28:43 -05:00
Gregor Richards
257c5d3188 Refactoring netplay_init.c/netplay_net.c 
Split the remainder of netplay.c into netplay_init.c and netplay_net.c
(which will soon be netplay_sync.c)
 2016-12-18 19:28:43 -05:00
Gregor Richards
7e2465ef1f Refactoring: Moving I/O functionality into netplay_io.c 2016-12-18 19:28:43 -05:00
Gregor Richards
8c59c7dd77 Starting to refactor: Separating frontend stuff into netplay_frontend.c 2016-12-18 19:28:43 -05:00
Gregor Richards
ab989d7f41 More careful disconnection. 2016-12-18 19:28:43 -05:00
Gregor Richards
c8bba9a981 Simplistic builtin randomizer. 2016-12-18 19:28:43 -05:00
Gregor Richards
28e331b5fd Remove some magic numbers 2016-12-18 19:28:43 -05:00
Gregor Richards
6e6f2bfdbe Use a proper password hash across the line. 2016-12-18 19:28:42 -05:00
Gregor Richards
763a657f82 Terrible first cut at password (sent in plain text D-8) 2016-12-18 19:28:42 -05:00
Gregor Richards
5a0328dc09 Transfer pad configuration over netplay. 2016-12-18 19:28:42 -05:00
Gregor Richards
888e45c88b Updates to allow the server to toggle game/watch 2016-12-18 19:28:42 -05:00
Gregor Richards
3631ff74ff Very, very partial support for the server spectating 2016-12-18 19:28:42 -05:00
Gregor Richards
3d7f1f6575 Updating Netplay README to be more true 2016-12-18 19:28:42 -05:00
Gregor Richards
f6f9905ae3 Made remote pausing connection-specific 2016-12-18 19:28:42 -05:00
Gregor Richards
6556af1100 force_send_savestate is global again 
We cannot send a savestate to only one player, as sending a savestate is
a synchronization event invalidating all prior input.
 2016-12-18 19:28:42 -05:00
Gregor Richards
3d34c0222f Added simple (cheesy) announcements on join/leave 2016-12-18 19:28:42 -05:00
Gregor Richards
727743aa7b Fixing a couple FIXMEs/TODOs 2016-12-18 19:28:42 -05:00
Gregor Richards
2130fd81a5 Fixed simulation for >2 players 2016-12-18 19:28:42 -05:00
Gregor Richards
262d77546b Adding game/watch key 
Adding a key to toggle between playing and spectating. This key takes
the place of the previous flip key, although player flipping does
continue to work (and must be rebound if you still want it)
 2016-12-18 19:28:42 -05:00
Gregor Richards
90c15fc7a6 Still need to flush input data. 2016-12-18 19:28:42 -05:00
Gregor Richards
e7ce01ad3b More renaming 
Now that remote_input_state isn't always remote, it should just be
called real_input_state (and is).
 2016-12-18 19:28:42 -05:00
Gregor Richards
f6630ad85a More fixups for >2 player mode. Mostly was just sending packets that 
shouldn't have been sent.
 2016-12-18 19:28:42 -05:00
Gregor Richards
479955a085 More 3-player support. The initial connection is wonky with 
delay_frames>0
 2016-12-18 19:28:42 -05:00
Gregor Richards
d373684bd5 Off-by-one 2016-12-18 19:28:42 -05:00
Gregor Richards
b51cf8be2b Real, actual (almost) >2-player support. 2016-12-18 19:28:42 -05:00
Gregor Richards
2cc8c5c467 Removing silly foo_ names used to help migration. 2016-12-18 19:28:42 -05:00
Gregor Richards
53c46530aa Very first tidbits of true multiplayer support (minus actual multiple 
players so far)
 2016-12-18 19:28:42 -05:00
Gregor Richards
b5cd187077 Since there's now only one mode, removing netplay_callbacks entirely. 2016-12-18 19:28:42 -05:00
Gregor Richards
9b2270f5d4 Say goodbye to spectator mode (for now) 2016-12-18 19:28:42 -05:00
Gregor Richards
4768970d52 Moving force_send_savestate from netplay to connection. 2016-12-18 19:28:42 -05:00