/// <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;
}
}
public override void Render(DrawArgs drawArgs)
{
if(!isInitialized ||
drawArgs.WorldCamera.AltitudeAboveTerrain < m_MinimumViewingAltitude ||
drawArgs.WorldCamera.AltitudeAboveTerrain > m_MaximumViewingAltitude
)
{
return;
}
try
{
foreach(ShapeTile shapeTile in m_RootTiles)
{
if(shapeTile!=null&&(shapeTile.m_GeoBB.North-shapeTile.m_GeoBB.South)<=m_lztsd)
shapeTile.Render(drawArgs);
}
Vector3 referenceCenter = new Vector3(
(float)drawArgs.WorldCamera.ReferenceCenter.X,
(float)drawArgs.WorldCamera.ReferenceCenter.Y,
(float)drawArgs.WorldCamera.ReferenceCenter.Z);
if(m_PointList.Count > 0)
{
drawArgs.device.VertexFormat = CustomVertex.PositionColored.Format;
float curPointSize = drawArgs.device.RenderState.PointSize;
drawArgs.device.RenderState.PointSize = 5.0f;
drawArgs.device.RenderState.ZBufferEnable = false;
CustomVertex.PositionColored[] verts = new Microsoft.DirectX.Direct3D.CustomVertex.PositionColored[1];
Vector3 camPoint = MathEngine.SphericalToCartesian(drawArgs.WorldCamera.Latitude.Degrees, drawArgs.WorldCamera.Longitude.Degrees, m_ShapeTileArgs.LayerRadius);
drawArgs.device.Transform.World = Matrix.Translation(-referenceCenter);
foreach(Vector3 v in m_PointList)
{
if(Vector3.Subtract(v, camPoint).Length() < m_ShapeTileArgs.LayerRadius)
{
verts[0].Color = m_ShapeTileArgs.LabelColor.ToArgb();
verts[0].X = v.X;
verts[0].Y = v.Y;
verts[0].Z = v.Z;
drawArgs.device.TextureState[0].ColorOperation = TextureOperation.Disable;
drawArgs.device.DrawUserPrimitives(PrimitiveType.PointList, 1, verts);
}
}
drawArgs.device.Transform.World = drawArgs.WorldCamera.WorldMatrix;
drawArgs.device.RenderState.PointSize = curPointSize;
drawArgs.device.RenderState.ZBufferEnable = true;
}
if(m_LabelList.Count > 0)
{
System.Drawing.Color iconColor = System.Drawing.Color.FromArgb(m_IconOpacity, 255, 255, 255);
foreach(Shapefile_Point p in m_LabelList)
{
Vector3 cartesianPoint = MathEngine.SphericalToCartesian(p.Y, p.X, drawArgs.WorldCamera.WorldRadius + drawArgs.WorldCamera.TerrainElevation);
if(!drawArgs.WorldCamera.ViewFrustum.ContainsPoint(cartesianPoint) ||
MathEngine.SphericalDistanceDegrees(p.Y, p.X, drawArgs.WorldCamera.Latitude.Degrees, drawArgs.WorldCamera.Longitude.Degrees) > 90.0)
continue;
Vector3 projectedPoint = drawArgs.WorldCamera.Project(cartesianPoint - referenceCenter);
/*if(isMouseOver)
{
// Mouse is over
isMouseOver = true;
if(icon.isSelectable)
DrawArgs.MouseCursor = CursorType.Hand;
string description = icon.Description;
if(description==null)
description = icon.ClickableActionURL;
if(description!=null)
{
// Render description field
DrawTextFormat format = DrawTextFormat.NoClip | DrawTextFormat.WordBreak | DrawTextFormat.Bottom;
int left = 10;
if(World.Settings.showLayerManager)
left += World.Settings.layerManagerWidth;
Rectangle rect = Rectangle.FromLTRB(left, 10, drawArgs.screenWidth - 10, drawArgs.screenHeight - 10 );
// Draw outline
drawArgs.defaultDrawingFont.DrawText(
m_sprite, description,
rect,
format, 0xb0 << 24 );
rect.Offset(2,0);
drawArgs.defaultDrawingFont.DrawText(
m_sprite, description,
rect,
format, 0xb0 << 24 );
rect.Offset(0,2);
drawArgs.defaultDrawingFont.DrawText(
m_sprite, description,
rect,
format, 0xb0 << 24 );
rect.Offset(-2,0);
drawArgs.defaultDrawingFont.DrawText(
m_sprite, description,
rect,
format, 0xb0 << 24 );
// Draw description
rect.Offset(1,-1);
drawArgs.defaultDrawingFont.DrawText(
m_sprite, description,
rect,
format, descriptionColor );
}
}*/
m_Sprite.Begin(SpriteFlags.AlphaBlend);
if(m_IconTexture != null)
{
float xscale = (float)m_IconWidth / m_IconTextureDescription.Width;
float yscale = (float)m_IconHeight / m_IconTextureDescription.Height;
m_Sprite.Transform = Matrix.Scaling(xscale,yscale,0);
m_Sprite.Transform *= Matrix.Translation(projectedPoint.X, projectedPoint.Y, 0);
m_Sprite.Draw( m_IconTexture,
new Vector3( m_IconWidth>>1, m_IconHeight>>1,0),
Vector3.Empty,
iconColor.ToArgb() );
// Reset transform to prepare for text rendering later
m_Sprite.Transform = Matrix.Identity;
}
if(m_ShapeTileArgs.ShowLabels && m_ShapeTileArgs.DataKey != null)
{
// Render label
if(p.Tag != null)
{
// Render name field
const int labelWidth = 1000; // Dummy value needed for centering the text
if(m_IconTexture==null)
{
// Center over target as we have no bitmap
Rectangle rect = new Rectangle(
(int)projectedPoint.X - (labelWidth>>1),
(int)(projectedPoint.Y - (drawArgs.defaultDrawingFont.Description.Height >> 1)),
labelWidth,
drawArgs.screenHeight );
drawArgs.defaultDrawingFont.DrawText(m_Sprite, p.Tag.ToString(), rect, DrawTextFormat.Center, m_ShapeTileArgs.LabelColor);
}
else
{
// Adjust text to make room for icon
int spacing = (int)(m_IconWidth * 0.3f);
if(spacing>10)
spacing = 10;
int offsetForIcon = (m_IconWidth>>1) + spacing;
Rectangle rect = new Rectangle(
(int)projectedPoint.X + offsetForIcon,
(int)(projectedPoint.Y - (drawArgs.defaultDrawingFont.Description.Height >> 1)),
labelWidth,
drawArgs.screenHeight );
drawArgs.defaultDrawingFont.DrawText(m_Sprite, p.Tag.ToString(), rect, DrawTextFormat.WordBreak, m_ShapeTileArgs.LabelColor);
}
}
}
m_Sprite.End();
}
}
}
catch(Exception ex)
{
Log.Write(ex);
}
}
/// <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;
}
}
