Function collide_two_objects

physics/collide.cpp:2395–2541

}

void collide_two_objects(object *A, object *B, vector *collision_point, vector *collision_normal, fvi_info *hit_info) {
  int collision_type;
  int a_num = A - Objects;
  int b_num = B - Objects;
  uint8_t a_good = 0, b_good = 0;
  uint8_t a_hittime_good = 1, b_hittime_good = 1;

  // Only do omega particle collisions if specifically allowed
  extern bool Enable_omega_collions;
  if (((A->type == OBJ_WEAPON) && (A->id == OMEGA_INDEX)) || ((B->type == OBJ_WEAPON) && (B->id == OMEGA_INDEX)))
    if (!Enable_omega_collions)
      return;

  ASSERT(CollisionResult[A->type][B->type] != RESULT_NOTHING);

  collision_type = COLLISION_OF(A->type, B->type);

  check_lg_inform(A, B);
  check_lg_inform(B, A);

  // mprintf( (0, "Object %d of type %d collided with object %d of type %d\n", A-Objects,A->type, B-Objects, B->type ));

  //	COLLISION SCRIPT HOOK
  if (Game_mode & GM_MULTI) {
    ASSERT(!(A->flags & OF_DEAD));
    ASSERT(!(B->flags & OF_DEAD));

    // Make sure we have good scripts to call
    if (A->type == OBJ_PLAYER || A->type == OBJ_ROBOT || A->type == OBJ_POWERUP || A->type == OBJ_WEAPON ||
        A->type == OBJ_BUILDING || A->type == OBJ_DOOR || A->type == OBJ_CLUTTER)
      a_good = 1;
    if (B->type == OBJ_PLAYER || B->type == OBJ_ROBOT || B->type == OBJ_POWERUP || B->type == OBJ_WEAPON ||
        B->type == OBJ_BUILDING || B->type == OBJ_DOOR || B->type == OBJ_CLUTTER)
      b_good = 1;

    if (A->type == OBJ_PLAYER && (Players[A->id].flags & (PLAYER_FLAGS_DYING | PLAYER_FLAGS_DEAD)))
      a_good = 0;
    if (B->type == OBJ_PLAYER && (Players[B->id].flags & (PLAYER_FLAGS_DYING | PLAYER_FLAGS_DEAD)))
      b_good = 0;

    if (A->type == OBJ_POWERUP && A->effect_info->last_object_hit == b_num &&
        (Gametime - A->effect_info->last_object_hit_time) < 1) {
      a_good = 0;
      a_hittime_good = 0;
    }

    if (B->type == OBJ_POWERUP && B->effect_info->last_object_hit == a_num &&
        (Gametime - B->effect_info->last_object_hit_time) < 1) {
      b_good = 0;
      b_hittime_good = 0;
    }

    if (a_good && b_good) {
      DLLInfo.me_handle = A->handle;
      DLLInfo.it_handle = B->handle;
      DLLInfo.collide_info.point.x = collision_point->x;
      DLLInfo.collide_info.point.y = collision_point->y;
      DLLInfo.collide_info.point.z = collision_point->z;