// setup link acknowledgement on both sides
short int setupLink(short int side) {
short int setupgood = 1, mycalc = CALCULATOR;
if (side == LINKBLACK) {
// black recives then sends
if (!recvCalc(mycalc)) {
setupgood = 0;
}
LIO_SendData(&mycalc,2);
} else if (side == LINKRED) {
// red sends then receives
LIO_SendData(&mycalc,2);
if (!recvCalc(mycalc)) {
setupgood = 0;
}
}
// if we have any problems, this will return 0 (FALSE)
return setupgood;
}
/* Communicates between the Host and the Joining Calc all of the necessary data
while a game is running */
void Transfer_Data(void) {
char Control = FALSE, Other_Control;
unsigned char a;
// Must send three plrs separately
for(a = 3; a--;) {
if (g->Calc == Host) {
if (LIO_SendData(&Team2->plrs[a]->Control, sizeof(char)))
ERROR(LINK_ERROR);
if (LIO_RecvData(&Other_Control, sizeof(char), 30))
ERROR(LINK_ERROR);
/* After a lot of trial and error, this is the only way I found that
will allow for one player to take the puck from another player */
if (Other_Control < 0 && Team1->plrs[a]->Control >= 0)
Team1->plrs[a]->Control = Other_Control;
if (LIO_SendData((char*)Team1->plrs[a], sizeof(Plr))) // Send Plr on Team1
ERROR(LINK_ERROR);
if (LIO_RecvData((char*)Team2->plrs[a], sizeof(Plr), 30)) // Receive Plr on Team2
ERROR(LINK_ERROR);
} else {
if (LIO_RecvData(&Other_Control, sizeof(char), 30))
ERROR(LINK_ERROR);
if (LIO_SendData(&Team1->plrs[a]->Control, sizeof(char)))
ERROR(LINK_ERROR);
if (Other_Control < 0 && Team2->plrs[a]->Control >= 0)
Team2->plrs[a]->Control = Other_Control;
if (LIO_RecvData((char*)Team1->plrs[a], sizeof(Plr), 30)) // Receive Plr on Team1
ERROR(LINK_ERROR);
if (LIO_SendData((char*)Team2->plrs[a], sizeof(Plr))) // Send Plr on Team2
ERROR(LINK_ERROR);
}
// If the puck is controlled by the other calc, make sure g->Is_Controlled is set
// to the correct value and only one player has Control of the puck
if (Control == FALSE) {
if (Team1->plrs[a]->Control > 0) { // Puck controlled by team 1
g->Is_Controlled = 1;
if (Team2->plrs[a]->Control > 0)
Team2->plrs[a]->Control = -1;
Control = 1;
} else if (Team2->plrs[a]->Control > 0) { // Puck controlled by team 2
g->Is_Controlled = 2;
Control = 2;
} else g->Is_Controlled = FALSE; // Puck is not being controlled by a player
} else { // Make sure two players cannot have the puck at the same time
if (Team1->plrs[a]->Control > 0)
Team1->plrs[a]->Control = -1;
if (Team2->plrs[a]->Control > 0)
Team2->plrs[a]->Control = -1;
}
}
// Send or Receive Puck Data, depending on which team has Control of the puck
if (g->Last_Controlled == 2 && g->Is_Controlled == 0) {
if (g->Calc == Host && LIO_RecvData((char*)&g->Is_Controlled, 7*sizeof(short), 30))
ERROR(LINK_ERROR);
else if (g->Calc == Join && LIO_SendData((char*)&g->Is_Controlled, 7*sizeof(short)))
ERROR(LINK_ERROR);
} else if (g->Calc == Host) {
if (g->Is_Controlled != 2) {
if (LIO_SendData((char*)&g->Is_Controlled, 7*sizeof(short)))
ERROR(LINK_ERROR);
} else if (LIO_RecvData((char*)&g->Is_Controlled, 7*sizeof(short), 30))
ERROR(LINK_ERROR);
} else if (g->Calc == Join) {
if (g->Is_Controlled == 2) {
if (LIO_SendData((char*)&g->Is_Controlled, 7*sizeof(short)))
ERROR(LINK_ERROR);
} else if (LIO_RecvData((char*)&g->Is_Controlled, 7*sizeof(short), 30))
ERROR(LINK_ERROR);
}
/*if (g->Last_Controlled == 2 && g->Is_Controlled == 0) {
if (g->Calc == Host && LIO_RecvData((char*)&g->Is_Controlled, sizeof(short)*7, 30))
ERROR(LINK_ERROR);
else if (g->Calc == Join && LIO_SendData((char*)&g->Is_Controlled, sizeof(short)*7))
ERROR(LINK_ERROR);
} else if (g->Calc == g->Is_Controlled) {
if (LIO_SendData((char*)&g->Is_Controlled, sizeof(short)*7))
ERROR(LINK_ERROR);
} else if (LIO_RecvData((char*)&g->Is_Controlled, sizeof(short)*7, 30))
ERROR(LINK_ERROR);*/
/*if (g->Calc == Host) {
if (g->Is_Controlled != 2) {
if ()
ERROR(LINK_ERROR);
} else if (LIO_RecvData((char*)&g->Is_Controlled, sizeof(short)*7, 30))
ERROR(LINK_ERROR);
} else if (g->Calc == Join) {
if (g->Is_Controlled == 2) {
if (LIO_SendData((char*)&g->Is_Controlled, sizeof(short)*7))
ERROR(LINK_ERROR);
} else if (LIO_RecvData((char*)&g->Is_Controlled, sizeof(short)*7, 30))
ERROR(LINK_ERROR);
}*/
// Remember who had the puck last frame
g->Last_Controlled = g->Is_Controlled;
}
