public override void UpdateDebugDisplay(Page p, SceneNode sn)
{
uint dbglvl = mManager.DebugDisplayLevel;
if (dbglvl != 0)
{
// we could try to avoid updating the geometry every time here, but this
// wouldn't easily deal with paging parameter changes. There shouldn't
// be that many pages anyway, and this is debug after all, so update every time
int row = 0, col = 0;
Grid2DPageStrategyData stratData = (Grid2DPageStrategyData)p.ParentSection.StrategyData;
stratData.CalculateRowCol(p.PageID, ref row, ref col);
#warning data is created twice here, should be useless.
Grid2DPageStrategyData data = (Grid2DPageStrategyData)p.ParentSection.StrategyData;
// Determine our centre point, we'll anchor here
// Note that world points are initialised to ZERO since only 2 dimensions
// are updated by the grid data (we could display this grid anywhere)
Vector2 gridMidPoint = Vector2.Zero;
Vector3 worldMidPoint = Vector3.Zero;
data.GetMidPointGridSpace(row, col, ref gridMidPoint);
data.ConvertGridToWorldSpace(gridMidPoint, ref worldMidPoint);
sn.Position = worldMidPoint;
Vector2[] gridCorners = new Vector2[4];
Vector3[] worldCorners = new Vector3[4];
data.GetCornersGridSpace(row, col, ref gridCorners);
for (int i = 0; i < 4; ++i)
{
worldCorners[i] = Vector3.Zero;
data.ConvertGridToWorldSpace(gridCorners[i], ref worldCorners[i]);
//make relative to mid point
worldCorners[i] -= worldMidPoint;
}
string matName = "Ogre/G2D/Debug";
Material mat = (Material)MaterialManager.Instance.GetByName(matName);
if (mat == null)
{
mat = (Material)MaterialManager.Instance.Create(matName, ResourceGroupManager.DefaultResourceGroupName);
Pass pass = mat.GetTechnique(0).GetPass(0);
pass.LightingEnabled = false;
pass.VertexColorTracking = TrackVertexColor.Ambient;
pass.DepthWrite = false;
mat.Load();
}
ManualObject mo = null;
if (sn.ObjectCount == 0)
{
mo = p.ParentSection.SceneManager.CreateManualObject("Grid2PageStrategyManualObject");
mo.Begin(matName, OperationType.LineStrip);
}
else
{
mo = (ManualObject)sn.GetObject( "Grid2PageStrategyManualObject" );
mo.BeginUpdate(0);
}
ColorEx vcol = p.Status == UnitStatus.Loaded ? ColorEx.Green : ColorEx.Red;
for (int i = 0; i < 5; ++i)
{
mo.Position(worldCorners[i % 4]);
mo.Color(vcol);
}
mo.End();
if (sn.ObjectCount == 0)
sn.AttachObject(mo);
}
}
/// <summary>
