/// <summary>
/// Builds the vertex buffer using vertices with position and normal data.
/// </summary>
public void BuildVertices_PositionNormal()
{
GraphicsStream stream;
DataCore.VertexFormats.PositionNormal[] tri =
new DataCore.VertexFormats.PositionNormal[_page.TerrainPatch.NumVertices];
for (int i = 0; i < tri.Length; i++)
{
tri[i].Position = _page.TerrainPatch.Vertices[i].Position;
tri[i].Normal = _page.TerrainPatch.Vertices[i].Normal;
}
if (_vb != null)
{
if (!_vb.Disposed)
{
_vb.Dispose();
}
_vb = null;
}
_vb = new D3D.VertexBuffer(typeof(DataCore.VertexFormats.PositionNormal),
tri.Length, _viewport.Device, D3D.Usage.WriteOnly,
DataCore.VertexFormats.PositionNormal.Format, D3D.Pool.Managed);
stream = _vb.Lock(0, 0, D3D.LockFlags.None);
stream.Write(tri);
_vb.Unlock();
_vbSize = tri.Length;
}
public static void GetBoundingBox(D3D.Mesh mesh, float scale, out DX.Vector3 min, out DX.Vector3 max)
{
D3D.VertexBuffer verts = mesh.VertexBuffer;
DX.GraphicsStream stream = verts.Lock(0, 0, D3D.LockFlags.None);
D3D.Geometry.ComputeBoundingBox(stream, mesh.NumberVertices, mesh.VertexFormat, out min, out max);
verts.Unlock();
stream = null;
verts = null;
}
public static float GetBoundingRadius(D3D.Mesh mesh, float scale)
{
D3D.VertexBuffer verts = mesh.VertexBuffer;
DX.GraphicsStream stream = verts.Lock(0, 0, D3D.LockFlags.None);
DX.Vector3 meshCenter;
float radius = D3D.Geometry.ComputeBoundingSphere(stream, mesh.NumberVertices, mesh.VertexFormat, out meshCenter) * scale;
verts.Unlock();
stream = null;
verts = null;
return(radius);
}
public Array Lock(bool read)
{
D3d.LockFlags d3dLockFlags = D3d.LockFlags.None;
if (!read)
{
d3dLockFlags |= D3d.LockFlags.Discard;
}
Array lockedArray = d3dVertexBuffer.Lock(0, d3dLockFlags);
d3dLock = true;
return(lockedArray);
}
/// <summary>
/// Builds the vertex buffer using vertices with position, normal, and eight sets of texture data.
/// </summary>
public void BuildVertices_PositionNormalTextured8()
{
GraphicsStream stream;
DataCore.VertexFormats.PositionNormalTextured8[] tri =
new DataCore.VertexFormats.PositionNormalTextured8[_page.TerrainPatch.NumVertices];
for (int i = 0; i < tri.Length; i++)
{
tri[i].Position = _page.TerrainPatch.Vertices[i].Position;
tri[i].Normal = _page.TerrainPatch.Vertices[i].Normal;
if (_page.TerrainPatch.NumTextures > 0)
{
for (int j = 0; j < _page.TerrainPatch.NumTextures && j < 8; j++)
{
tri[i].SetTextureCoordinates(_page.TerrainPatch.GetTextureCoordinateList(j)[i],
j);
}
}
else
{
tri[i].SetTextureCoordinates(new Vector2(0f, 0f), 0);
}
}
if (_vb != null)
{
if (!_vb.Disposed)
{
_vb.Dispose();
}
_vb = null;
}
_vb = new D3D.VertexBuffer(typeof(DataCore.VertexFormats.PositionNormalTextured8),
tri.Length, _viewport.Device, D3D.Usage.WriteOnly,
DataCore.VertexFormats.PositionNormalTextured8.Format, D3D.Pool.Managed);
stream = _vb.Lock(0, 0, D3D.LockFlags.None);
stream.Write(tri);
_vb.Unlock();
_vbSize = tri.Length;
}
// cells are setup as x, y index of col, row, and 1, 1 wide,high, and a total rows and cols they are of.
// okay so this computes from that,
public void SetupCell(D3DState state, float x, float y, float width, float height, float rows, float cols)
{
x_ofs = (int)x;
y_ofs = (int)y;
this.rows = (int)rows;
this.cols = (int)cols;
if (state == null)
{
return;
}
cell_verts = new Direct3D.VertexBuffer(
typeof(Direct3D.CustomVertex.PositionTextured),
4,
state.graphics,
0,
Direct3D.CustomVertex.PositionTextured.Format,
Direct3D.Pool.Default);
Direct3D.CustomVertex.PositionTextured[] verts =
(Direct3D.CustomVertex.PositionTextured[])cell_verts.Lock(0, 0);
verts[0].X = -1.0f; verts[0].Y = -1.0f; verts[0].Z = 0.0f;
verts[0].Tu = (x * width) / cols; verts[0].Tv = (y * height) / rows;
verts[1].X = -1.0f; verts[1].Y = 1.0f; verts[1].Z = 0.0f;
verts[1].Tu = ((x + 1) * width) / cols; verts[1].Tv = (y * height) / rows;
verts[2].X = 1.0f; verts[2].Y = -1.0f; verts[2].Z = 0.0f;
verts[2].Tu = (x * width) / cols; verts[2].Tv = ((y + 1) * height) / rows;
verts[3].X = 1.0f; verts[3].Y = 1.0f; verts[3].Z = 0.0f;
verts[3].Tu = ((x + 1) * width) / cols; verts[3].Tv = ((y + 1) * height) / rows;
cell_verts.Unlock();
}
/// <summary>
/// Renders 3D text
/// </summary>
public void Render3DText(string text, RenderFlags flags)
{
if (device == null)
{
throw new System.ArgumentNullException();
}
// Set up renderstate
savedStateBlock.Capture();
drawTextStateBlock.Apply();
device.VertexFormat = CustomVertex.PositionNormalTextured.Format;
device.PixelShader = null;
device.SetStreamSource(0, vertexBuffer, 0, VertexInformation.GetFormatSize(CustomVertex.PositionNormalTextured.Format));
// Set filter states
if ((flags & RenderFlags.Filtered) != 0)
{
samplerState0.MinFilter = TextureFilter.Linear;
samplerState0.MagFilter = TextureFilter.Linear;
}
// Position for each text element
float x = 0.0f;
float y = 0.0f;
// Center the text block at the origin
if ((flags & RenderFlags.Centered) != 0)
{
System.Drawing.SizeF sz = GetTextExtent(text);
x = -(((float)sz.Width) / 10.0f) / 2.0f;
y = -(((float)sz.Height) / 10.0f) / 2.0f;
}
// Turn off culling for two-sided text
if ((flags & RenderFlags.TwoSided) != 0)
{
renderState.CullMode = Cull.None;
}
// Adjust for character spacing
x -= spacingPerChar / 10.0f;
float fStartX = x;
// Fill vertex buffer
GraphicsStream strm = vertexBuffer.Lock(0, 0, LockFlags.Discard);
int numTriangles = 0;
foreach (char c in text)
{
if (c == '\n')
{
x = fStartX;
y -= (textureCoords[0, 3] - textureCoords[0, 1]) * textureHeight / 10.0f;
}
if ((c - 32) < 0 || (c - 32) >= 128 - 32)
{
continue;
}
float tx1 = textureCoords[c - 32, 0];
float ty1 = textureCoords[c - 32, 1];
float tx2 = textureCoords[c - 32, 2];
float ty2 = textureCoords[c - 32, 3];
float w = (tx2 - tx1) * textureWidth / (10.0f * textureScale);
float h = (ty2 - ty1) * textureHeight / (10.0f * textureScale);
if (c != ' ')
{
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + 0, y + 0, 0), new Vector3(0, 0, -1), tx1, ty2));
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + 0, y + h, 0), new Vector3(0, 0, -1), tx1, ty1));
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + w, y + 0, 0), new Vector3(0, 0, -1), tx2, ty2));
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + w, y + h, 0), new Vector3(0, 0, -1), tx2, ty1));
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + w, y + 0, 0), new Vector3(0, 0, -1), tx2, ty2));
strm.Write(new CustomVertex.PositionNormalTextured(new Vector3(x + 0, y + h, 0), new Vector3(0, 0, -1), tx1, ty1));
numTriangles += 2;
if (numTriangles * 3 > (MaxNumfontVertices - 6))
{
// Unlock, render, and relock the vertex buffer
vertexBuffer.Unlock();
device.DrawPrimitives(PrimitiveType.TriangleList, 0, numTriangles);
strm = vertexBuffer.Lock(0, 0, LockFlags.Discard);
numTriangles = 0;
}
}
x += w - (2 * spacingPerChar) / 10.0f;
}
// Unlock and render the vertex buffer
vertexBuffer.Unlock();
if (numTriangles > 0)
{
device.DrawPrimitives(PrimitiveType.TriangleList, 0, numTriangles);
}
// Restore the modified renderstates
savedStateBlock.Apply();
}
/// <summary>
/// Reloads the VertexBuffer for the TerrainPage for displaying vertices.
/// </summary>
public void RefreshVertexBuffer_Vertices()
{
if (_page != null)
{
GraphicsStream stream;
D3D.CustomVertex.PositionColored[] vertices = new
D3D.CustomVertex.PositionColored[_page.TerrainPatch.NumVertices * 4];
D3D.CustomVertex.PositionNormal[] tri = _page.TerrainPatch.Vertices;
int color = Color.Black.ToArgb();
int red, blue;
float zoomFactor = _viewport.Camera.FollowDistance / _originalZoomFactor;
Vector3 position;
float distance;
float vDist = _page.TerrainPatch.NearestVertices * _vertexSize;
for (int i = 0; i < tri.Length; i++)
{
if (_showSelectedVertices && _page.TerrainPatch.SelectedVertices[i])
{
color = Color.Red.ToArgb();
}
else if (_showSelectedVertices && _softSelection &&
_page.TerrainPatch.AreVerticesSelected)
{
position = _page.TerrainPatch.Vertices[i].Position;
distance = _page.TerrainPatch.FindShortestDistanceToSelectedVertex(position);
if (distance <= _softDistanceSquared)
{
if (_falloff)
{
red = Convert.ToInt32(Color.Red.R * (1 - distance / _softDistanceSquared));
blue = Convert.ToInt32(Color.Blue.B * (distance / _softDistanceSquared));
color = Color.FromArgb(red, 0, blue).ToArgb();
}
else
{
color = Color.Red.ToArgb();
}
}
else
{
color = Color.Blue.ToArgb();
}
}
else
{
color = Color.Blue.ToArgb();
}
vertices[i * 4].Position = new Vector3(tri[i].Position.X - (vDist * zoomFactor),
tri[i].Position.Y, tri[i].Position.Z - (vDist * zoomFactor));
vertices[i * 4].Color = color;
vertices[i * 4 + 1].Position = new Vector3(tri[i].Position.X - (vDist * zoomFactor),
tri[i].Position.Y, tri[i].Position.Z + (vDist * zoomFactor));
vertices[i * 4 + 1].Color = color;
vertices[i * 4 + 2].Position = new Vector3(tri[i].Position.X + (vDist * zoomFactor),
tri[i].Position.Y, tri[i].Position.Z + (vDist * zoomFactor));
vertices[i * 4 + 2].Color = color;
vertices[i * 4 + 3].Position = new Vector3(tri[i].Position.X + (vDist * zoomFactor),
tri[i].Position.Y, tri[i].Position.Z - (vDist * zoomFactor));
vertices[i * 4 + 3].Color = color;
}
if (_vbVerts != null)
{
if (!_vbVerts.Disposed)
{
_vbVerts.Dispose();
}
_vbVerts = null;
}
_vbVerts = new D3D.VertexBuffer(typeof(D3D.CustomVertex.PositionColored),
vertices.Length, _viewport.Device, D3D.Usage.WriteOnly,
D3D.CustomVertex.PositionColored.Format, D3D.Pool.Managed);
stream = _vbVerts.Lock(0, 0, D3D.LockFlags.None);
stream.Write(vertices);
_vbVerts.Unlock();
_vbVertSize = vertices.Length;
_page.TerrainPatch.RefreshVertices = false;
}
else if (_vbVerts != null)
{
if (!_vbVerts.Disposed)
{
_vbVerts.Dispose();
}
_vbVerts = null;
_vbVertSize = 0;
}
}
/// <summary>
/// Reloads the VertexBuffer for the TerrainPage for displaying vertices.
/// </summary>
public void RefreshVertexBuffer_Vertices()
{
if ( _page != null )
{
GraphicsStream stream;
D3D.CustomVertex.PositionColored[] vertices = new
D3D.CustomVertex.PositionColored[_page.TerrainPatch.NumVertices * 4];
D3D.CustomVertex.PositionNormal[] tri = _page.TerrainPatch.Vertices;
int color = Color.Black.ToArgb();
int red, blue;
float zoomFactor = _viewport.Camera.FollowDistance / _originalZoomFactor;
Vector3 position;
float distance;
float vDist = _page.TerrainPatch.NearestVertices * _vertexSize;
for ( int i = 0; i < tri.Length; i++ )
{
if ( _showSelectedVertices && _page.TerrainPatch.SelectedVertices[i] )
color = Color.Red.ToArgb();
else if ( _showSelectedVertices && _softSelection &&
_page.TerrainPatch.AreVerticesSelected )
{
position = _page.TerrainPatch.Vertices[i].Position;
distance = _page.TerrainPatch.FindShortestDistanceToSelectedVertex( position );
if ( distance <= _softDistanceSquared )
{
if ( _falloff )
{
red = Convert.ToInt32( Color.Red.R * ( 1 - distance / _softDistanceSquared ) );
blue = Convert.ToInt32( Color.Blue.B * ( distance / _softDistanceSquared ) );
color = Color.FromArgb( red, 0, blue ).ToArgb();
}
else
color = Color.Red.ToArgb();
}
else
{
color = Color.Blue.ToArgb();
}
}
else
{
color = Color.Blue.ToArgb();
}
vertices[i * 4].Position = new Vector3( tri[i].Position.X - ( vDist * zoomFactor ),
tri[i].Position.Y, tri[i].Position.Z - ( vDist * zoomFactor ) );
vertices[i * 4].Color = color;
vertices[i * 4 + 1].Position = new Vector3( tri[i].Position.X - ( vDist * zoomFactor ),
tri[i].Position.Y, tri[i].Position.Z + ( vDist * zoomFactor ) );
vertices[i * 4 + 1].Color = color;
vertices[i * 4 + 2].Position = new Vector3( tri[i].Position.X + ( vDist * zoomFactor ),
tri[i].Position.Y, tri[i].Position.Z + ( vDist * zoomFactor ) );
vertices[i * 4 + 2].Color = color;
vertices[i * 4 + 3].Position = new Vector3( tri[i].Position.X + ( vDist * zoomFactor ),
tri[i].Position.Y, tri[i].Position.Z - ( vDist * zoomFactor ) );
vertices[i * 4 + 3].Color = color;
}
if ( _vbVerts != null )
{
if ( !_vbVerts.Disposed )
_vbVerts.Dispose();
_vbVerts = null;
}
_vbVerts = new D3D.VertexBuffer( typeof( D3D.CustomVertex.PositionColored ),
vertices.Length, _viewport.Device, D3D.Usage.WriteOnly,
D3D.CustomVertex.PositionColored.Format, D3D.Pool.Managed );
stream = _vbVerts.Lock( 0, 0, D3D.LockFlags.None );
stream.Write( vertices );
_vbVerts.Unlock();
_vbVertSize = vertices.Length;
_page.TerrainPatch.RefreshVertices = false;
}
else if ( _vbVerts != null )
{
if ( !_vbVerts.Disposed )
_vbVerts.Dispose();
_vbVerts = null;
_vbVertSize = 0;
}
}
/// <summary>
/// Builds the vertex buffer using vertices with position, normal, and eight sets of texture data.
/// </summary>
public void BuildVertices_PositionNormalTextured8()
{
GraphicsStream stream;
DataCore.VertexFormats.PositionNormalTextured8[] tri =
new DataCore.VertexFormats.PositionNormalTextured8[_page.TerrainPatch.NumVertices];
for ( int i = 0; i < tri.Length; i++ )
{
tri[i].Position = _page.TerrainPatch.Vertices[i].Position;
tri[i].Normal = _page.TerrainPatch.Vertices[i].Normal;
if ( _page.TerrainPatch.NumTextures > 0 )
{
for ( int j = 0; j < _page.TerrainPatch.NumTextures && j < 8; j++ )
tri[i].SetTextureCoordinates( _page.TerrainPatch.GetTextureCoordinateList( j )[i],
j );
}
else
tri[i].SetTextureCoordinates( new Vector2( 0f, 0f ), 0 );
}
if ( _vb != null )
{
if ( !_vb.Disposed )
_vb.Dispose();
_vb = null;
}
_vb = new D3D.VertexBuffer( typeof( DataCore.VertexFormats.PositionNormalTextured8 ),
tri.Length, _viewport.Device, D3D.Usage.WriteOnly,
DataCore.VertexFormats.PositionNormalTextured8.Format, D3D.Pool.Managed );
stream = _vb.Lock( 0, 0, D3D.LockFlags.None );
stream.Write( tri );
_vb.Unlock();
_vbSize = tri.Length;
}
/// <summary>
/// Builds the vertex buffer using vertices with position and normal data.
/// </summary>
public void BuildVertices_PositionNormal()
{
GraphicsStream stream;
DataCore.VertexFormats.PositionNormal[] tri =
new DataCore.VertexFormats.PositionNormal[_page.TerrainPatch.NumVertices];
for ( int i = 0; i < tri.Length; i++ )
{
tri[i].Position = _page.TerrainPatch.Vertices[i].Position;
tri[i].Normal = _page.TerrainPatch.Vertices[i].Normal;
}
if ( _vb != null )
{
if ( !_vb.Disposed )
_vb.Dispose();
_vb = null;
}
_vb = new D3D.VertexBuffer( typeof( DataCore.VertexFormats.PositionNormal ),
tri.Length, _viewport.Device, D3D.Usage.WriteOnly,
DataCore.VertexFormats.PositionNormal.Format, D3D.Pool.Managed );
stream = _vb.Lock( 0, 0, D3D.LockFlags.None );
stream.Write( tri );
_vb.Unlock();
_vbSize = tri.Length;
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="locking"></param>
/// <returns></returns>
/// DOC
protected override IntPtr LockImpl(int offset, int length, BufferLocking locking)
{
D3D.LockFlags d3dLocking = D3DHelper.ConvertEnum(locking, usage);
Microsoft.DirectX.GraphicsStream s = d3dBuffer.Lock(offset, length, d3dLocking);
return(s.InternalData);
}
