ES_Event RunGameplay(ES_Event ThisEvent) {
ES_Event returnVal;
returnVal.EventType = ES_NO_EVENT;
// Initialize nextState as current state
GameplayState_t nextState = currentState;
switch (currentState) {
case INIT:
if (ThisEvent.EventType == ES_INIT) {
resetGameplay();
nextState = ARMED;
startArmedUX();
}
break;
case ARMED:
if (ThisEvent.EventType == START_BUTTON_UP) {
printf("Game Started\r\n");
// start timers
ES_Timer_InitTimer(GAME_TIMER, GAME_TIME);
ES_Timer_InitTimer(INACTION_TIMER, INACTION_TIME);
// send GAME_STARTED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_STARTED;
// ES_PostAll(Event2Post); // post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
stopArmedUX();
startMixingUX();
nextChemUX();
nextState = MIXING;
}
break;
case MIXING:
switch (ThisEvent.EventType) {
case CHEM_BUTTON_DOWN:
if (QueryStir() == STIRRING && numChems < TOTAL_AMMO * CHEMS_PER_AMMO) {
if (thisChem == ThisEvent.EventParam) {
numChems++;
printf("Correct button press. numChems: %u\r\n", numChems);
addChemUX();
if (numChems % CHEMS_PER_AMMO == 0) {
numAmmo++;
addChemLightUX();
}
if (numChems == TOTAL_AMMO * CHEMS_PER_AMMO) {
stopMixingUX();
startSprayingUX();
nextState = SHOOTING;
printf("Mixing complete");
} else {
nextChemUX();
printf("Next chem UX");
}
} else {
// if pressed the wrong chemical button
if (numChems > CHEMS_PER_AMMO)
numChems -= CHEMS_PER_AMMO;
else
numChems = 0;
if (numAmmo > 0)
numAmmo--;
// play the sound for wrong chemical added and decrement a light if necessary
wrongChemAddedUX();
}
}
break;
case CHEM_BUTTON_UP:
ES_Timer_InitTimer(INACTION_TIMER, INACTION_TIME);
break;
case ES_TIMEOUT:
if (ThisEvent.EventParam == INACTION_TIMER || ThisEvent.EventParam == GAME_TIMER) {
// send GAME_ENDED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
stopMixingUX();
startFailUX();
nextState = FAIL;
ES_Timer_InitTimer(GAME_STATE_TIMER,FAIL_DISPLAY_TIME);
}
break;
}
break;
case SHOOTING:
switch (ThisEvent.EventType) {
ES_Event Event2Post;
case FIRE_READY:
ES_Timer_InitTimer(INACTION_TIMER, INACTION_TIME);
fireReadyUX();
break;
case FIRE_ON:
ES_Timer_InitTimer(INACTION_TIMER, INACTION_TIME);
// UX: Flash indicator light & turn on IR emitter
fireOnUX();
break;
case FIRE_OFF:
ES_Timer_InitTimer(INACTION_TIMER, INACTION_TIME);
// UX: Turn off IR emitter & indicator light
fireOffUX();
break;
case CITY_SAVED:
// UX: Turn that city’s LED blue
citySavedUX(ThisEvent.EventParam);
break;
case ALL_CITIES_SAVED:
ES_Timer_InitTimer(GAME_STATE_TIMER,WIN_DISPLAY_TIME);
// send GAME_ENDED event to TimeOfDaySM
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
startWinUX();
nextState = WIN;
break;
case USED_ONE_AMMO:
numAmmo--;
usedOneAmmoUX();
if (numAmmo>0) {
printf("numAmmo: %u\r\n", numAmmo); // FOR DEBUGGING
} else {
// send GAME_ENDED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
stopSprayingUX();
startFailUX();
nextState = FAIL;
ES_Timer_InitTimer(GAME_STATE_TIMER, FAIL_DISPLAY_TIME);
}
break;
case ES_TIMEOUT:
if (ThisEvent.EventParam == INACTION_TIMER || ThisEvent.EventParam == GAME_TIMER) {
// send GAME_ENDED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
stopSprayingUX();
startFailUX();
nextState = FAIL;
ES_Timer_InitTimer(GAME_STATE_TIMER, FAIL_DISPLAY_TIME);
}
break;
}
break;
case FAIL:
if ((ThisEvent.EventType == ES_TIMEOUT && ThisEvent.EventParam == GAME_STATE_TIMER) || ThisEvent.EventType == START_BUTTON_UP) {
// send GAME_ENDED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
// reset software & hardware
resetGameplay();
nextState = ARMED;
startArmedUX();
}
break;
case WIN:
if ((ThisEvent.EventType == ES_TIMEOUT && ThisEvent.EventParam == GAME_STATE_TIMER) || ThisEvent.EventType == START_BUTTON_UP) {
// send GAME_ENDED event to TimeOfDaySM
ES_Event Event2Post;
Event2Post.EventType = GAME_ENDED;
// ES_PostAll(Event2Post); // only post to TimeOfDay
PostTimeOfDay(Event2Post);
PostEventPrinter(Event2Post);
// reset software & hardware & next state is ARMED
resetGameplay();
nextState = ARMED;
startArmedUX();
}
break;
}
// set currentState to nextState
currentState = nextState;
return returnVal;
}
int main(void)
{
// seed pseudorandom number generator
srand48(time(NULL));
// instantiate window
GWindow window = newGWindow(WIDTH, HEIGHT);
// instantiate bricks
initBricks(window);
// instantiate ball, centered in middle of window
GOval ball = initBall(window);
// instantiate paddle, centered at bottom of window
GRect paddle = initPaddle(window);
// instantiate scoreboard, centered in middle of window, just above ball
GLabel label = initScoreboard(window);
// number of lives initially
int lives = LIVES;
// number of bricks initially
int bricks = ROWS * COLS;
// number of points initially
int points = 0;
// default ball direction is down
Velocity *velocity = (Velocity *) malloc(sizeof(Velocity));
velocity->horizontalVelocity = 0.0;
velocity->verticalVelocity = 2.0;
char *paddleDirection = malloc(sizeof(char) * 10);
Paddle *bat = (Paddle *) malloc(sizeof(Paddle));
bat->paddle = paddle;
bat->direction = paddleDirection;
bat->x = getX(paddle);
bat->y = getY(paddle);
// show the scoreboard
updateScoreboard(window, label, points);
// keep playing until game over
while (lives > 0 && bricks > 0)
{
checkForEvent(bat);
GObject object = detectCollision(window, ball);
if (object != NULL)
{
if (object == bat->paddle)
{
ballHitsPaddle(bat, velocity, ball);
}
else if (strcmp(getType(object), "GRect") == 0)
{
ballHitsBrick(velocity, &window, &object, &label, &points, &bricks);
}
}
else
{
if (hasBallHitTheSides(&ball, &window))
{
invertHorizontalDirection(velocity);
}
else if (hasBallHitTheTop(&ball, &window))
{
invertVerticalDirection(velocity);
}
else if (hasBallHitTheBottom(&ball, &window))
{
resetGameplay(velocity, &ball, bat, &lives);
}
}
move(ball, velocity->horizontalVelocity, velocity->verticalVelocity);
pause(10);
}
showGameOverMessage(window, label);
// wait for click before exiting
waitForClick();
// game over
closeGWindow(window);
return 0;
}
