public QuadTree(QuadTree parent) {
this.parent = parent;
}
public QuadTreeZ(QuadTree parent, TerrainQuad quad)
: base(parent)
{
this.quad = quad;
readBack = false;
}
public QuadTree(QuadTree parent)
{
this.parent = parent;
}
protected override void GetTiles(QuadTree parent, ref QuadTree tree, TerrainQuad quad)
{
if (tree == null)
{
tree = new QuadTreeZ(parent, quad);
tree.needTile = NeedTile(quad);
}
QuadTreeZ t = tree as QuadTreeZ;
//If tile needs elevation data read back add to container
if(t.tile != null && t.tile.GetTask().IsDone() && !t.readBack && m_maxReadBacksPerFrame > 0)
{
if(!m_needReadBack.ContainsKey(t.tile.GetId()))
{
t.readBack = true;
m_needReadBack.Add(t.tile.GetId(), t);
}
}
base.GetTiles(parent, ref tree, quad);
//Check if this quad is below the camera. If so store a reference to it.
if (m_cameraQuad == null && t.tile != null && t.tile.GetTask().IsDone())
{
Vector3d2 c = quad.GetOwner().GetLocalCameraPos();
double l = quad.GetLength();
double ox = quad.GetOX();
double oy = quad.GetOY();
if (c.x >= ox && c.x < ox + l && c.y >= oy && c.y < oy + l)
{
m_cameraQuadCoords = new Vector2((float)((c.x - ox) / l), (float)((c.y - oy) / l));
m_cameraQuad = t;
}
}
}
public QuadTreeZ(QuadTree parent, TerrainQuad quad)
: base(parent)
{
this.quad = quad;
readBack = false;
}