SDL_Rect object_rect(void * object) {
SDL_Rect rect;
rect.x = (int)object_x(object);
rect.y = (int)object_y(object);
rect.w = (int)object_width(object);
rect.h = (int)object_height(object);
return rect;
}
void object_found_cleanup(scan_FSM *fsm)
{
// Another object has been found.
object *cur_obj = fsm->objects + fsm->objects_found; // This is the object being finalized.
cur_obj->dist = object_dist(fsm->cur_object_width, fsm->cur_object_readings);
cur_obj->width = object_width(cur_obj->theta1, cur_obj->theta2, cur_obj->dist);
fsm->objects_found++;
// The readings in `fsm->cur_object_readings[]` buffer is now garbage.
fsm->cur_object_width = 0;
}
void handle_input(Outbreak * outbreak) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == CONTROLS_PAUSE) {
outbreak->paused = !outbreak->paused;
} else if (event.type == SDL_QUIT) {
outbreak->quit = TRUE;
}
if (!outbreak->paused) {
switch(event.type) {
case SDL_KEYDOWN:
if (event.key.keysym.sym == CONTROLS_RIGHT) {
set_object_velocity_x(outbreak->player, PADDLE_VELOCITY);
} else if (event.key.keysym.sym == CONTROLS_LEFT) {
set_object_velocity_x(outbreak->player, -PADDLE_VELOCITY);
} else if (event.key.keysym.sym == CONTROLS_LAUNCH) {
launch_ball(outbreak->ball);
}
break;
case SDL_KEYUP:
if (event.key.keysym.sym == CONTROLS_RIGHT) {
if (object_direction_x(outbreak->player) == DIRECTION_RIGHT) {
set_object_velocity_x(outbreak->player, 0);
}
} else if (event.key.keysym.sym == CONTROLS_LEFT) {
if (object_direction_x(outbreak->player) == DIRECTION_LEFT) {
set_object_velocity_x(outbreak->player, 0);
}
}
break;
case SDL_MOUSEBUTTONDOWN:
if (event.button.button == MOUSE_CONTROLS_LAUNCH) {
launch_ball(outbreak->ball);
}
break;
case SDL_MOUSEMOTION:
set_object_velocity_x(outbreak->player, 0);
set_object_x(outbreak->player, event.motion.x - object_width(outbreak->player) / 2);
if (object_offscreen(outbreak->player)) {
set_object_x(outbreak->player, object_x(outbreak->player) < 0 ? 0 : SCREEN_WIDTH - object_width(outbreak->player));
}
break;
}
}
}
}
void update_gamestate(Outbreak * outbreak) {
if (!outbreak->paused) {
object_update_position(outbreak->player);
if (object_offscreen(outbreak->player)) {
set_object_x(outbreak->player, (object_direction_x(outbreak->player) == DIRECTION_LEFT) ? 0 : SCREEN_WIDTH - object_width(outbreak->player));
}
if (ball_magnetized(outbreak->ball)) {
set_object_x(outbreak->ball, object_x(outbreak->player) + (object_width(outbreak->player) - object_width(outbreak->ball)) / 2.0f);
}
object_update_x(outbreak->ball);
if (object_offscreen(outbreak->ball)) {
set_object_x(outbreak->ball, (object_direction_x(outbreak->ball) == DIRECTION_LEFT) ? 0 : SCREEN_WIDTH - object_width(outbreak->ball));
object_bounce_x(outbreak->ball);
} else if (object_collision(outbreak->player, outbreak->ball)) {
object_rollback_x(outbreak->ball);
object_bounce_x(outbreak->ball);
} else {
int i;
for (i = 0; i < outbreak->num_blocks; i++) {
if (object_collision(outbreak->ball, outbreak->blocks[i])) {
hit_block(outbreak->blocks[i]);
if (outbreak->blocks[i]->health == 0) {
remove_block(outbreak, outbreak->blocks[i]);
}
object_rollback_x(outbreak->ball);
object_bounce_x(outbreak->ball);
break;
}
}
}
object_update_y(outbreak->ball);
if (object_y(outbreak->ball) >= SCREEN_HEIGHT) {
outbreak->quit = TRUE;
} else if (object_y(outbreak->ball) < 0) {
set_object_y(outbreak->ball, 0);
object_bounce_y(outbreak->ball);
} else if (object_collision(outbreak->player, outbreak->ball)) {
object_rollback_y(outbreak->ball);
object_bounce_y(outbreak->ball);
set_object_angle(outbreak->ball, object_angle(outbreak->ball) - ((object_x(outbreak->ball) - object_x(outbreak->player)) - (object_width(outbreak->player) + object_width(outbreak->ball)) / 2.0f) * PADDLE_CURVINESS);
} else {
int i;
for (i = 0; i < outbreak->num_blocks; i++) {
if (object_collision(outbreak->ball, outbreak->blocks[i])) {
hit_block(outbreak->blocks[i]);
if (outbreak->blocks[i]->health == 0) {
remove_block(outbreak, outbreak->blocks[i]);
}
object_rollback_y(outbreak->ball);
object_bounce_y(outbreak->ball);
break;
}
}
}
if (!ball_magnetized(outbreak->ball)) {
set_object_speed(outbreak->ball, object_speed(outbreak->ball) + BALL_ACCELERATION);
}
}
}
