static void iterate_bat_laser(Game *game) {
gboolean kill_laser = FALSE;
gint bat_center;
Block *block;
GList *children;
Entity *laser;
children = game->bat->children;
while(children) {
laser = (Entity *) children->data;
children = g_list_next(children);
laser->geometry.y1 -= LASER_SPEED;
laser->geometry.y2 -= LASER_SPEED;
if(laser->geometry.y1 < 0) {
kill_laser = TRUE;
} else if((block = find_block_from_position(game, laser))) {
if(block->type != BLOCK_DEAD) {
hit_block(game, block);
kill_laser = TRUE;
}
}
if(kill_laser) {
remove_child_laser(game->bat, laser);
} else {
update_canvas_position(laser);
}
}
if(game->fire1_pressed && game->bat->num_lasers_allowed > game->bat->num_lasers ) {
bat_center = game->bat->geometry.x1
+ game->bat->width / 2;
laser = g_malloc(sizeof(Entity));
laser->geometry.x1 = bat_center - LASER_WIDTH / 2;
laser->geometry.x2 = laser->geometry.x1 + LASER_WIDTH;
laser->geometry.y2 = game->bat->geometry.y1;
laser->geometry.y1 = laser->geometry.y2 - LASER_HEIGHT;
laser->animation = get_animation(ANIM_LASER);
add_to_canvas(laser);
game->bat->num_lasers++;
game->bat->children = g_list_prepend(game->bat->children, laser);
}
}
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);
}
}
}
