/****************************************************************************** Product: "Fly'n'Shoot" game example* Last Updated for Version: 4.0.00* Date of the Last Update:  Apr 06, 2008**                    Q u a n t u m     L e a P s*                    ---------------------------*                    innovating embedded systems** Copyright (C) 2002-2008 Quantum Leaps, LLC. All rights reserved.** This software may be distributed and modified under the terms of the GNU* General Public License version 2 (GPL) as published by the Free Software* Foundation and appearing in the file GPL.TXT included in the packaging of* this file. Please note that GPL Section 2[b] requires that all works based* on this software must also be made publicly available under the terms of* the GPL ("Copyleft").** Alternatively, this software may be distributed and modified under the* terms of Quantum Leaps commercial licenses, which expressly supersede* the GPL and are specifically designed for licensees interested in* retaining the proprietary status of their code.** Contact information:* Quantum Leaps Web site:  http://www.quantum-leaps.com* e-mail:                  info@quantum-leaps.com*****************************************************************************/#include "qp_port.h"#include "bsp.h"#include "game.h"Q_DEFINE_THIS_FILE/* local objects -----------------------------------------------------------*/typedef struct Mine2Tag {    QHsm super;                                    /* extend the QHsm class */    uint8_t x;    uint8_t y;    uint8_t exp_ctr;} Mine2;static QState Mine2_initial  (Mine2 *me, QEvent const *e);static QState Mine2_unused   (Mine2 *me, QEvent const *e);static QState Mine2_used     (Mine2 *me, QEvent const *e);static QState Mine2_planted  (Mine2 *me, QEvent const *e);static QState Mine2_exploding(Mine2 *me, QEvent const *e);static Mine2 l_mine2[GAME_MINES_MAX];             /* a pool of type-2 mines */                             /* helper macro to provide the ID of this mine */#define MINE_ID(me_)    ((me_) - l_mine2)/*..........................................................................*/QHsm *Mine2_ctor(uint8_t id) {    Mine2 *me;    Q_REQUIRE(id < GAME_MINES_MAX);    me = &l_mine2[id];    QHsm_ctor(&me->super, (QStateHandler)&Mine2_initial);/*superclass' ctor */    return (QHsm *)me;}/*..........................................................................*/QState Mine2_initial(Mine2 *me, QEvent const *e) {    static  uint8_t dict_sent;    (void)e;                  /* avoid the "unreferenced parameter" warning */    if (!dict_sent) {        QS_OBJ_DICTIONARY(&l_mine2[0]); /* obj. dictionaries for Mine2 pool */        QS_OBJ_DICTIONARY(&l_mine2[1]);        QS_OBJ_DICTIONARY(&l_mine2[2]);        QS_OBJ_DICTIONARY(&l_mine2[3]);        QS_OBJ_DICTIONARY(&l_mine2[4]);        QS_FUN_DICTIONARY(&Mine2_initial);/*fun. dictionaries for Mine2 HSM */        QS_FUN_DICTIONARY(&Mine2_unused);        QS_FUN_DICTIONARY(&Mine2_used);        QS_FUN_DICTIONARY(&Mine2_planted);        QS_FUN_DICTIONARY(&Mine2_exploding);        dict_sent = 1;    }    QS_SIG_DICTIONARY(MINE_PLANT_SIG,    me);              /* local signals */    QS_SIG_DICTIONARY(MINE_DISABLED_SIG, me);    QS_SIG_DICTIONARY(MINE_RECYCLE_SIG,  me);    QS_SIG_DICTIONARY(SHIP_IMG_SIG,      me);    QS_SIG_DICTIONARY(MISSILE_IMG_SIG,   me);    return Q_TRAN(&Mine2_unused);}/*..........................................................................*/QState Mine2_unused(Mine2 *me, QEvent const *e) {    switch (e->sig) {        case MINE_PLANT_SIG: {            me->x = ((ObjectPosEvt const *)e)->x;            me->y = ((ObjectPosEvt const *)e)->y;            return Q_TRAN(&Mine2_planted);        }    }    return Q_SUPER(&QHsm_top);}/*..........................................................................*/QState Mine2_used(Mine2 *me, QEvent const *e) {    switch (e->sig) {        case Q_EXIT_SIG: {            /* tell the Tunnel that this mine is becoming disabled */            MineEvt *mev = Q_NEW(MineEvt, MINE_DISABLED_SIG);            mev->id = MINE_ID(me);            QActive_postFIFO(AO_Tunnel, (QEvent *)mev);            return Q_HANDLED();        }        case MINE_RECYCLE_SIG: {            return Q_TRAN(&Mine2_unused);        }    }    return Q_SUPER(&QHsm_top);}/*..........................................................................*/QState Mine2_planted(Mine2 *me, QEvent const *e) {    uint8_t x;    uint8_t y;    uint8_t bmp;    switch (e->sig) {        case TIME_TICK_SIG: {            if (me->x >= GAME_SPEED_X) {                ObjectImageEvt *oie;                me->x -= GAME_SPEED_X;              /* move the mine 1 step */                /* tell the Tunnel to draw the Mine */                oie = Q_NEW(ObjectImageEvt, MINE_IMG_SIG);                oie->x   = me->x;                oie->y   = me->y;                oie->bmp = MINE2_BMP;                QActive_postFIFO(AO_Tunnel, (QEvent *)oie);            }            else {                return Q_TRAN(&Mine2_unused);            }            return Q_HANDLED();        }        case SHIP_IMG_SIG: {            x   = (uint8_t)((ObjectImageEvt const *)e)->x;            y   = (uint8_t)((ObjectImageEvt const *)e)->y;            bmp = (uint8_t)((ObjectImageEvt const *)e)->bmp;            /* test for incoming Ship hitting this mine */            if (do_bitmaps_overlap(MINE2_BMP, me->x, me->y, bmp, x, y)) {                static MineEvt const mine2_hit = {                    { HIT_MINE_SIG, 0 },        /* the QEvent base instance */                    2               /* type of the mine (2 for type-2 mine) */                };                QActive_postFIFO(AO_Ship, (QEvent *)&mine2_hit);                /* go straight to 'disabled' and let the Ship do                * the exploding                */                return Q_TRAN(&Mine2_unused);            }            return Q_HANDLED();        }        case MISSILE_IMG_SIG: {            x   = (uint8_t)((ObjectImageEvt const *)e)->x;            y   = (uint8_t)((ObjectImageEvt const *)e)->y;            bmp = (uint8_t)((ObjectImageEvt const *)e)->bmp;            /* test for incoming Missile hitting this mine */            /* NOTE: Mine type-2 is nastier than Mine type-1.            * The type-2 mine can hit the Ship with any of its            * "tentacles". However, it can be destroyed by the            * Missile only by hitting its center, defined as            * a smaller bitmap MINE2_MISSILE_BMP.            */            if (do_bitmaps_overlap(MINE2_MISSILE_BMP,                                   me->x, me->y, bmp, x, y))            {               static ScoreEvt const mine2_destroyed = {                    { DESTROYED_MINE_SIG, 0 },  /* the QEvent base instance */                    45                  /* score for destroying Mine type-2 */                };                QActive_postFIFO(AO_Missile, (QEvent *)&mine2_destroyed);                return Q_TRAN(&Mine2_exploding);            }            return Q_HANDLED();        }    }    return Q_SUPER(&Mine2_used);}/*..........................................................................*/QState Mine2_exploding(Mine2 *me, QEvent const *e) {    switch (e->sig) {        case Q_ENTRY_SIG: {            me->exp_ctr = 0;            return Q_HANDLED();        }        case TIME_TICK_SIG: {            if ((me->x >= GAME_SPEED_X) && (me->exp_ctr < 15)) {                ObjectImageEvt *oie;                ++me->exp_ctr;             /* advance the explosion counter */                me->x -= GAME_SPEED_X;          /* move explosion by 1 step */                /* tell the Game to render the current stage of Explosion */                oie = Q_NEW(ObjectImageEvt, EXPLOSION_SIG);                oie->x   = me->x + 1;                     /* x of explosion */                oie->y   = (int8_t)((int)me->y - 4 + 2);  /* y of explosion */                oie->bmp = EXPLOSION0_BMP + (me->exp_ctr >> 2);                QActive_postFIFO(AO_Tunnel, (QEvent *)oie);            }            else {                return Q_TRAN(&Mine2_unused);            }            return Q_HANDLED();        }    }    return Q_SUPER(&Mine2_used);}