//world grid management
static private void addLightToGrid(lightInstance light)
{
LocalLight l = light.mSimEditorObject;
BBoundingBox bb = new BBoundingBox();
bb.addPoint(l.mAABB.min);
bb.addPoint(l.mAABB.max);
bb.min += l.getPosition();
bb.max += l.getPosition();
//walk every world chunk, update our bounds, do intersections
BBoundingBox worldAABB = new BBoundingBox();
for (int x = 0; x < mWorldChunks.GetLength(0); x++)
{
for (int y = 0; y < mWorldChunks.GetLength(1); y++)
{
worldAABB.max = mWorldChunks[x, y].mQNPointer.getDesc().m_maxPostDeform;
worldAABB.min = mWorldChunks[x, y].mQNPointer.getDesc().m_minPostDeform;
worldAABB.max.Y = 300;
worldAABB.min.Y = -300;
if (bb.intersect(worldAABB))
{
mWorldChunks[x, y].mLightsAffectingMe.Add(light);
light.mWorldChunksImAffecting.Add(mWorldChunks[x, y]);
}
}
}
}
static private void removeLightFromGrid(lightInstance light)
{
for (int i = 0; i < light.mWorldChunksImAffecting.Count; i++)
{
light.mWorldChunksImAffecting[i].mLightsAffectingMe.Remove(light);
}
light.mWorldChunksImAffecting.Clear();
}