Method pointInWater

Engine/source/T3D/projectile.cpp:905–945

}

bool Projectile::pointInWater(const Point3F &point)
{   
   // This is pretty much a hack so we can use the existing ContainerQueryInfo
   // and findObject router.
   
   // We only care if we intersect with water at all 
   // so build a box at the point that has only 1 z extent.
   // And test if water coverage is anything other than zero.

   Box3F boundsBox( point, point );
   boundsBox.maxExtents.z += 1.0f;

   ContainerQueryInfo info;
   info.box = boundsBox;
   info.mass = 0.0f;
   
   // Find and retreive physics info from intersecting WaterObject(s)
   if(mContainer != NULL)
   {
      mContainer->findObjects( boundsBox, WaterObjectType, findRouter, &info );
   }
   else
   {
      // Handle special case where the projectile has exploded prior to having
      // called onAdd() on the client.  This occurs when the projectile on the
      // server is created and then explodes in the same network update tick.
      // On the client end in NetConnection::ghostReadPacket() the ghost is
      // created and then Projectile::unpackUpdate() is called prior to the
      // projectile being registered.  Within unpackUpdate() the explosion
      // is triggered, but without being registered onAdd() isn't called and
      // the container is not set.  As all we're doing is checking if the
      // given explosion point is within water, we should be able to use the
      // global container here.  We could likely always get away with this,
      // but using the actual defined container when possible is the right
      // thing to do.  DAW
      AssertFatal(isClientObject(), "Server projectile has not been properly added");
      gClientContainer.findObjects( boundsBox, WaterObjectType, findRouter, &info );
   }

   return ( info.waterCoverage > 0.0f );
}

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