public void Unlock()
{
if (d3dLock)
{
d3dIndexBuffer.Unlock();
d3dLock = false;
}
}
/// <summary>
/// Reloads the IndexBuffer for the vertices of the TerrainPage.
/// </summary>
public void RefreshIndexBuffer_Vertices()
{
if (_page != null)
{
GraphicsStream stream;
short[] indices = new short[_page.TerrainPatch.NumVertices * 6];
short vertCount = 0;
for (int i = 0; i < indices.Length; i += 6, vertCount += 4)
{
indices[i] = vertCount;
indices[i + 1] = (short)(vertCount + 1);
indices[i + 2] = (short)(vertCount + 2);
indices[i + 3] = (short)(vertCount + 2);
indices[i + 4] = (short)(vertCount + 3);
indices[i + 5] = vertCount;
}
if (_ibVerts != null)
{
_ibVerts.Dispose();
_ibVerts = null;
}
_ibVerts = new D3D.IndexBuffer(typeof(short), indices.Length,
_viewport.Device, D3D.Usage.WriteOnly, D3D.Pool.Managed);
stream = _ibVerts.Lock(0, 0, D3D.LockFlags.None);
stream.Write(indices);
_ibVerts.Unlock();
_ibVertSize = indices.Length;
}
else if (_ibVerts != null)
{
if (!_ibVerts.Disposed)
{
_ibVerts.Dispose();
}
_ibVerts = null;
_ibVertSize = 0;
}
}
/// <summary>
/// Reloads the IndexBuffer for the TerrainPage.
/// </summary>
public void RefreshIndexBuffer_Page()
{
if (_page != null)
{
GraphicsStream stream;
short[] indices = new short[_page.TerrainPatch.Indices.Length];
for (int i = 0; i < indices.Length; i++)
{
indices[i] = _page.TerrainPatch.Indices[i];
}
if (_ib != null)
{
_ib.Dispose();
_ib = null;
}
_ib = new D3D.IndexBuffer(typeof(short), indices.Length,
_viewport.Device, D3D.Usage.WriteOnly, D3D.Pool.Managed);
stream = _ib.Lock(0, 0, D3D.LockFlags.None);
stream.Write(indices);
_ib.Unlock();
_ibSize = indices.Length;
}
else if (_ib != null)
{
if (!_ib.Disposed)
{
_ib.Dispose();
}
_ib = null;
_ibSize = 0;
}
}
/// <summary>
///
/// </summary>
/// DOC
public override void UnlockImpl()
{
// unlock the buffer
d3dBuffer.Unlock();
}
/// <summary>
/// Reloads the IndexBuffer for the vertices of the TerrainPage.
/// </summary>
public void RefreshIndexBuffer_Vertices()
{
if ( _page != null )
{
GraphicsStream stream;
short[] indices = new short[_page.TerrainPatch.NumVertices * 6];
short vertCount = 0;
for ( int i = 0; i < indices.Length; i += 6, vertCount += 4 )
{
indices[i] = vertCount;
indices[i + 1] = (short) ( vertCount + 1 );
indices[i + 2] = (short) ( vertCount + 2 );
indices[i + 3] = (short) ( vertCount + 2 );
indices[i + 4] = (short) ( vertCount + 3 );
indices[i + 5] = vertCount;
}
if ( _ibVerts != null )
{
_ibVerts.Dispose();
_ibVerts = null;
}
_ibVerts = new D3D.IndexBuffer( typeof( short ), indices.Length,
_viewport.Device, D3D.Usage.WriteOnly, D3D.Pool.Managed );
stream = _ibVerts.Lock( 0, 0, D3D.LockFlags.None );
stream.Write( indices );
_ibVerts.Unlock();
_ibVertSize = indices.Length;
}
else if ( _ibVerts != null )
{
if ( !_ibVerts.Disposed )
_ibVerts.Dispose();
_ibVerts = null;
_ibVertSize = 0;
}
}
/// <summary>
/// Reloads the IndexBuffer for the TerrainPage.
/// </summary>
public void RefreshIndexBuffer_Page()
{
if ( _page != null )
{
GraphicsStream stream;
short[] indices = new short[_page.TerrainPatch.Indices.Length];
for ( int i = 0; i < indices.Length; i++ )
indices[i] = _page.TerrainPatch.Indices[i];
if ( _ib != null )
{
_ib.Dispose();
_ib = null;
}
_ib = new D3D.IndexBuffer( typeof( short ), indices.Length,
_viewport.Device, D3D.Usage.WriteOnly, D3D.Pool.Managed );
stream = _ib.Lock( 0, 0, D3D.LockFlags.None );
stream.Write( indices );
_ib.Unlock();
_ibSize = indices.Length;
}
else if ( _ib != null )
{
if ( !_ib.Disposed )
_ib.Dispose();
_ib = null;
_ibSize = 0;
}
}