void addRemoteChecksum(NetConnection *conn, BattleFrameCounter frameNr, Checksum checksum) { ChecksumBuffer *cb; assert(frameNr <= battleFrameCount + getBattleInputDelay() + 1); assert(frameNr + getBattleInputDelay() >= battleFrameCount); cb = NetConnection_getChecksumBuffer(conn); ChecksumBuffer_addChecksum(cb, frameNr, checksum); }
void initChecksumBuffers(void) { size_t player; for (player = 0; player < NETPLAY_NUM_PLAYERS; player++) { NetConnection *conn; ChecksumBuffer *cb; conn = netConnections[player]; if (conn == NULL) continue; cb = NetConnection_getChecksumBuffer(conn); ChecksumBuffer_init(cb, getBattleInputDelay(), NETPLAY_CHECKSUM_INTERVAL); } ChecksumBuffer_init(&localChecksumBuffer, getBattleInputDelay(), NETPLAY_CHECKSUM_INTERVAL); }
static BOOLEAN DoBattle (BATTLE_STATE *bs) { extern UWORD nth_frame; RECT r; BYTE battle_speed; SetMenuSounds (MENU_SOUND_NONE, MENU_SOUND_NONE); #if defined (NETPLAY) && defined (NETPLAY_CHECKSUM) if (getNumNetConnections() > 0 && battleFrameCount % NETPLAY_CHECKSUM_INTERVAL == 0) { crc_State state; Checksum checksum; crc_init(&state); crc_processState (&state); checksum = (Checksum) crc_finish (&state); Netplay_NotifyAll_checksum ((uint32) battleFrameCount, (uint32) checksum); flushPacketQueues (); addLocalChecksum (battleFrameCount, checksum); } #endif ProcessInput (); // Also calls NetInput() #if defined (NETPLAY) && defined (NETPLAY_CHECKSUM) if (getNumNetConnections() > 0) { size_t delay = getBattleInputDelay(); if (battleFrameCount >= delay && (battleFrameCount - delay) % NETPLAY_CHECKSUM_INTERVAL == 0) { if (!(GLOBAL (CurrentActivity) & CHECK_ABORT)) { if (!verifyChecksums (battleFrameCount - delay)) { GLOBAL(CurrentActivity) |= CHECK_ABORT; resetConnections (ResetReason_syncLoss); } } } } #endif LockMutex (GraphicsLock); if (bs->first_time) { r.corner.x = SIS_ORG_X; r.corner.y = SIS_ORG_Y; r.extent.width = SIS_SCREEN_WIDTH; r.extent.height = SIS_SCREEN_HEIGHT; SetTransitionSource (&r); } BatchGraphics (); // Call the callback function, if set if (bs->frame_cb) bs->frame_cb (); RedrawQueue (TRUE); if (bs->first_time) { bs->first_time = FALSE; ScreenTransition (3, &r); } UnbatchGraphics (); UnlockMutex (GraphicsLock); if ((!(GLOBAL (CurrentActivity) & IN_BATTLE)) || (GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))) { return FALSE; } battle_speed = HIBYTE (nth_frame); if (battle_speed == (BYTE)~0) { // maximum speed, nothing rendered at all TaskSwitch (); } else { SleepThreadUntil (bs->NextTime + BATTLE_FRAME_RATE / (battle_speed + 1)); bs->NextTime = GetTimeCounter (); } if ((GLOBAL (CurrentActivity) & IN_BATTLE) == 0) return FALSE; #ifdef NETPLAY battleFrameCount++; #endif return TRUE; }