Function DoExplosionEvent

Descent3/fireball.cpp:2357–2394

TODO: MTS: only used in this file. Creates an explosion

// TODO: MTS: only used in this file.
//  Creates an explosion
void DoExplosionEvent(int eventnum, void *data) {
  float *vals = (float *)data;
  vector pos;
  int fireball_num, roomnum;
  float size;
  float upwards_velocity;
  pos_state sound_pos;
  pos.x = vals[0];
  pos.y = vals[1];
  pos.z = vals[2];
  fireball_num = (int)vals[3];
  roomnum = (int)vals[4];
  size = vals[5];
  upwards_velocity = vals[6];
  int visnum = CreateFireball(&pos, fireball_num, roomnum, VISUAL_FIREBALL);
  if (visnum >= 0) {
    vector zero_vec = {0, 0, 0};
    matrix id_mat = Identity_matrix;

    sound_pos.position = &pos;
    sound_pos.roomnum = roomnum;
    sound_pos.orient = &id_mat;
    sound_pos.velocity = &zero_vec;

    if (ps_rand() > D3_RAND_MAX / 2)
      Sound_system.Play3dSound(SOUND_ROBOT_EXPLODE_1, SND_PRIORITY_HIGH, &sound_pos);
    else
      Sound_system.Play3dSound(SOUND_ROBOT_EXPLODE_2, SND_PRIORITY_HIGH, &sound_pos);
    VisEffects[visnum].size = size;
    if (upwards_velocity > .001) {
      VisEffects[visnum].movement_type = MT_PHYSICS;
      VisEffects[visnum].phys_flags = PF_FIXED_VELOCITY;
      VisEffects[visnum].velocity.x = 0;
      VisEffects[visnum].velocity.z = 0;
      VisEffects[visnum].velocity.y = upwards_velocity;
    }
  }
}
// An event handler that simply draws an alpha blended poly on top of the screen
// Takes a 4 element array of floats int r,g,b,a format
void DrawAlphaEvent(int eventnum, void *data) {