// I drew out a state machine to control a game, including serves, and implemented it below:
public eRallyOutcome MakeStep(eRallyStateMachineAction rsma)
{
// Debug:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_ATT_RACK:
Debug.Log("Attacker racket.");
break;
case eRallyStateMachineAction.RSMA_DEF_RACK:
Debug.Log("Defender racket.");
break;
case eRallyStateMachineAction.RSMA_ATT_TABLE:
Debug.Log("Attacker's half of the table.");
break;
case eRallyStateMachineAction.RSMA_DEF_TABLE:
Debug.Log("Defender's half of the table.");
break;
case eRallyStateMachineAction.RSMA_OUT:
Debug.Log("Ball went out.");
break;
}
switch (currState)
{
case eRallyState.S0:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_ATT_TABLE:
currState = eRallyState.S1;
return(eRallyOutcome.RO_NONE);
case eRallyStateMachineAction.RSMA_DEF_RACK:
return(eRallyOutcome.RO_ATT_WINS);
default:
return(eRallyOutcome.RO_DEF_WINS);
}
case eRallyState.S1:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_DEF_TABLE:
currState = eRallyState.S2;
return(eRallyOutcome.RO_NONE);
case eRallyStateMachineAction.RSMA_DEF_RACK:
return(eRallyOutcome.RO_ATT_WINS);
default:
return(eRallyOutcome.RO_DEF_WINS);
}
case eRallyState.S2:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_DEF_RACK:
currState = eRallyState.S3;
return(eRallyOutcome.RO_NONE);
case eRallyStateMachineAction.RSMA_ATT_RACK:
return(eRallyOutcome.RO_DEF_WINS);
default:
return(eRallyOutcome.RO_ATT_WINS);
}
case eRallyState.S3:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_ATT_TABLE:
currState = eRallyState.S4;
return(eRallyOutcome.RO_NONE);
case eRallyStateMachineAction.RSMA_ATT_RACK:
return(eRallyOutcome.RO_DEF_WINS);
default:
return(eRallyOutcome.RO_ATT_WINS);
}
case eRallyState.S4:
switch (rsma)
{
case eRallyStateMachineAction.RSMA_ATT_RACK:
currState = eRallyState.S1;
return(eRallyOutcome.RO_NONE);
case eRallyStateMachineAction.RSMA_DEF_RACK:
return(eRallyOutcome.RO_ATT_WINS);
default:
return(eRallyOutcome.RO_DEF_WINS);
}
default:
return(eRallyOutcome.RO_NONE); // this code should not be reached
}
}
private eRallyState currState = eRallyState.S4; // To bypass serving for now...
private void OnEvent_rallyEnded()
{
currState = eRallyState.S0;
}
