public override void LoadPage(PageInfo page)
{
//Calculate x/z indexes for the grid array
page.XIndex -= (int)System.Math.Floor(mGridBounds.Left / mPageSize);
page.ZIndex -= (int)System.Math.Floor(mGridBounds.Top / mPageSize);
//Check if the requested page is in bounds
if (page.XIndex < 0 || page.ZIndex < 0 || page.XIndex >= mPageGridX || page.ZIndex >= mPageGridZ)
{
return;
}
//For each tree type...
foreach (KeyValuePair <Entity, List <List <TreeDef> > > it in mPageGridList)
{
//Get the appropriate tree list for the specified page
List <List <TreeDef> > pageGrid = it.Value;
List <TreeDef> treeList = GetGridPage(pageGrid, page.XIndex, page.ZIndex);
Entity entity = it.Key;
//Load the listed trees into the page
foreach (TreeDef o in treeList)
{
//Get position
Vector3 pos = Vector3.Zero;
pos.x = page.Bounds.Left + ((float)o.XPos / 65535) * mPageSize;
pos.z = page.Bounds.Top + ((float)o.ZPos / 65535) * mPageSize;
//Calculate terrain height at pos.x / pos.z to get pos.y
if (mHeightFunction != null)
{
pos.y = mHeightFunction.GetHeightAt(pos.x, pos.z, mHeightFunctionUserData);
}
else
{
pos.y = 0.0f;
}
//Get rotation
Degree angle = new Degree((Real)o.Rotation * (360.0f / 255));
Quaternion rot = Quaternion.FromAngleAxis((float)angle.InRadians, Vector3.UnitY);
//Get scale
Vector3 scale = Vector3.Zero;
scale.y = (float)(o.Scale * (mMaximumScale / 255) + mMinimumScale);
scale.x = scale.y;
scale.z = scale.y;
//Get color
ColorEx col = ColorEx.White;
if (mColorMap != null)
{
col = mColorMap.GetColorAtUnpacked(pos.x, pos.z);
}
AddEntity(entity, pos, rot, scale, col);
}
}
}
