/**
* Add all satellite protections
*/
void
satellites_add (void)
{
while (num_of_satellites < 5)
{
satellite_add ();
}
}
/**
* Collision between a gem and the spaceship
* @param gem_str pointer to a gem structure
* @return TRUE if the gem touched the spaceship
*/
static bool
bonus_collision (const gem_str * const gem)
{
image *gem_img, *ship_img;
Sint32 i;
Sint32 collisionx, collisiony, gemx, gemy;
spaceship_struct *ship = spaceship_get ();
gem_img = gem->img[gem->current_image];
ship_img = ship->spr.img[ship->spr.current_image];
gemx = (Sint32) gem->xcoord + gem_img->collisions_coords[0][XCOORD];
gemy = (Sint32) gem->ycoord + gem_img->collisions_coords[0][YCOORD];
/* for each collision point of the spaceship */
for (i = 0; i < ship_img->numof_collisions_points; i++)
{
collisionx =
(Sint32) ship->spr.xcoord + ship_img->collisions_points[i][XCOORD];
collisiony =
(Sint32) ship->spr.ycoord + ship_img->collisions_points[i][YCOORD];
/* check if collision point is into gem collision zone */
if (collisionx >= gemx &&
collisiony >= gemy &&
collisionx < (gemx + gem_img->collisions_sizes[0][IMAGE_WIDTH])
&& collisiony < (gemy + gem_img->collisions_sizes[0][IMAGE_HEIGHT]))
{
/* increase score of the player */
player_score += 250 << score_multiplier;
switch (gem->type)
{
/*
* add one level in the options range (green gem)
*/
case BONUS_INC_BY_1:
{
ship->gems_count++;
option_change = TRUE;
#ifdef USE_SDLMIXER
sound_play (SOUND_GREEN_GEM);
#endif
}
break;
/*
* add two levels in the options range (red gem)
*/
case BONUS_INC_BY_2:
{
ship->gems_count += 2;
option_change = TRUE;
#ifdef USE_SDLMIXER
sound_play (SOUND_RED_GEM);
#endif
}
break;
/*
* add a satellite protection (yellow gem)
*/
case BONUS_ADD_SATELLITE:
{
satellite_add ();
#ifdef USE_SDLMIXER
sound_play (SOUND_YELLOW_GEM);
#endif
}
break;
/*
* restore energy level of the spaceship
* (purple gem)
*/
case BONUS_INC_ENERGY:
{
if (ship->spr.energy_level < ship->spr.pow_of_dest)
{
option_boxes[1].close_option = FALSE;
#ifdef USE_SDLMIXER
sound_play (SOUND_PURPLE_GEM);
#endif
}
/* maximum energy level reached:
* circular shock wave is propagated */
else
{
shockwave_add ();
}
/* increase the level of energy of the spaceship */
ship->spr.energy_level += 20;
if (ship->spr.energy_level >= ship->spr.pow_of_dest)
{
ship->spr.energy_level = ship->spr.pow_of_dest;
if (!option_boxes[OPTION_PANEL_REPAIR].close_option)
{
/* maximum energy level:
* start anim of closing option box */
option_anim_init (OPTION_PANEL_REPAIR, TRUE);
}
}
energy_gauge_spaceship_is_update = TRUE;
}
break;
/*
* add a score multiplier (blue gem)
*/
case 4:
{
score_multiplier++;
/* multiplier x4 maximum is allowed */
if (score_multiplier > 2)
{
score_multiplier = 2;
}
}
break;
}
return TRUE;
}
}
return FALSE;
}
