player.cpp

00001 #include "qp_port.h"
00002 #include "dpp.h"
00003 #include "bsp.h"
00004 
00005 Q_DEFINE_THIS_FILE
00006 
00007 class Player : public QActive {
00008 private:
00009     QTimeEvt m_timeEvt;                       // to timeout update joystick pos
00010     uint8_t wins;
00011     uint8_t losses;
00012 
00013 public:
00014     Player();
00015 
00016 private:
00017     static QState initial (Player *me, QEvent const *e);
00018     static QState thinking(Player *me, QEvent const *e);
00019     static QState playing (Player *me, QEvent const *e);
00020 };
00021 
00022 static Player l_player;
00023 
00024 #define JOY_TIME    (BSP_TICKS_PER_SEC/5) // update joystick position every 5 ticks
00025 
00026 enum InternalSignals {                                     // internal signals
00027     TIMEOUT_SIG = MAX_SIG
00028 };
00029 
00030 QActive * const AO_Player = l_player;
00031 
00032 //............................................................................
00033 Player::Player()
00034     : QActive((QStateHandler)&Player::initial),
00035       m_timeEvt(TIMEOUT_SIG)
00036 {}
00037 //............................................................................
00038 QState Player::initial(Player *me, QEvent const *) {
00039     static uint8_t registered;            // starts off with 0, per C-standard
00040     if (!registered) {
00041         QS_OBJ_DICTIONARY(&l_player);
00042         QS_OBJ_DICTIONARY(&l_player.m_timeEvt);
00043         
00044         QS_FUN_DICTIONARY(&Player::initial);
00045         QS_FUN_DICTIONARY(&Player::thinking);
00046         QS_FUN_DICTIONARY(&Player::playing);
00047         
00048         registered = (uint8_t)1;
00049     }
00050     
00051     QS_SIG_DICTIONARY(PLAY_SIG, me);               // signal for each Players
00052     QS_SIG_DICTIONARY(FINISHED_SIG, me);           // signal for each Players
00053     
00054     // init wins and losses ctr
00055     wins = losses = 0;
00056     
00057     return Q_TRAN(&Player::thinking); // go to thinking
00058 }
00059 //............................................................................
00060 QState Player::thinking(Player *me, QEvent const *) {
00061     switch (e->sig) {
00062         case Q_ENTRY_SIG: {
00063         // TODO : INITIALIZE BTN
00064         }
00065         case BUTTON_SIG: {
00066             return Q_TRAN(&Player::playing); // go to playing state
00067         }
00068     }
00069     return Q_SUPER(&QHsm::top);
00070 }
00071 //............................................................................
00072 QState Player::playing(Player *me, QEvent const *) {
00073     switch (e->sig) {
00074         case Q_ENTRY_SIG: {
00075             me->m_timeEvt.postIn(me, JOY_TIME); // init joystick update (TIMEOUT_SIG)
00076             // TODO : INITIALIZE BTN
00077             return Q_HANDLED();
00078         }
00079         case TIMEOUT_SIG: {
00080             int pos = BSP_joyUpdate();
00081             HostEvt *pe = Q_NEW(HostEvt, SCROLL_SIG);
00082             pe->scroll_pos = pos;
00083             QF::PUBLISH(pe, me);
00084         }
00085         case BUTTON_SIG: {
00086             HostEvt *pe = Q_NEW(HostEvt, SELECT_SIG);
00087             pe->scroll_pos = 0; // no change
00088             QF::PUBLISH(pe, me);
00089         }
00090         case FINISHED_SIG: {
00091             if(((HostEvt *)e)->scroll_pos == 1) // win
00092                 wins++;
00093             else
00094                 losses++;
00095             
00096             return Q_TRAN(&Player::thinking); // go to thinking state   
00097         }                
00098     }
00099     return Q_SUPER(&QHsm::top);
00100 }