public void render()
{
if (TerrainGlobals.getEditor().mBrushShowVerts)
{
float ptSize = 2;
BRenderDevice.getDevice().SetRenderState(RenderStates.PointSize, ptSize);
{
BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, true);
BRenderDevice.getDevice().SetRenderState(RenderStates.SourceBlend, (int)Blend.SourceAlpha);
BRenderDevice.getDevice().SetRenderState(RenderStates.DestinationBlend, (int)Blend.InvSourceAlpha);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.SelectArg1);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.SelectArg1);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);
List <BTerrainQuadNode> nodes = new List <BTerrainQuadNode>();
float validRadius = (TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius * 1.5f); //scaled out for dramatic changes
TerrainGlobals.getTerrain().getQuadNodeRoot().getSphereIntersection(nodes, ref TerrainGlobals.getEditor().mBrushIntersectionPoint, validRadius);
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].renderCursor();
}
BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, false);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.Modulate);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.Modulate);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument2, (int)TextureArgument.TextureColor);
BRenderDevice.getDevice().SetRenderState(RenderStates.ZEnable, true);
}
}
else
{
// Draw 2D radius and hotspot circle
BRenderDevice.getDevice().VertexFormat = VertexFormats.Position;
BRenderDevice.getDevice().SetStreamSource(0, gCircleVB, 0);
BRenderDevice.getDevice().VertexShader = null;
BRenderDevice.getDevice().PixelShader = null;
BRenderDevice.getDevice().SetTexture(0, null);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.SelectArg1);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.TFactor);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.SelectArg1);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.TFactor);
BRenderDevice.getDevice().SetTextureStageState(1, TextureStageStates.ColorOperation, (int)TextureOperation.Disable);
BRenderDevice.getDevice().SetTextureStageState(1, TextureStageStates.AlphaOperation, (int)TextureOperation.Disable);
BRenderDevice.getDevice().SetRenderState(RenderStates.Lighting, false);
BRenderDevice.getDevice().SetRenderState(RenderStates.SourceBlend, (int)Blend.SourceAlpha);
BRenderDevice.getDevice().SetRenderState(RenderStates.DestinationBlend, (int)Blend.InvSourceAlpha);
BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, true);
BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferFunction, (int)Compare.Always);
BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferWriteEnable, false);
BRenderDevice.getDevice().SetRenderState(RenderStates.AntialiasedLineEnable, true);
// Set circle color based on mode
Vector3 brushColor;
bool selectionMode = (UIManager.GetAsyncKeyStateB(Key.RightControl) || UIManager.GetAsyncKeyStateB(Key.LeftControl)) && (!UIManager.GetAsyncKeyStateB(Key.LeftShift) && !UIManager.GetAsyncKeyStateB(Key.RightShift));
if (!selectionMode)
{
brushColor = new Vector3(1, 1, 1);
}
else
{
brushColor = new Vector3(1, 1, 0);
}
// Compute matrices for circles
Matrix viewMat = BRenderDevice.getDevice().GetTransform(TransformType.View);
viewMat.Invert();
Matrix circleMatrix = Matrix.Translation(TerrainGlobals.getEditor().mBrushIntersectionPoint);
circleMatrix.M11 = viewMat.M11; circleMatrix.M12 = viewMat.M12; circleMatrix.M13 = viewMat.M13;
circleMatrix.M21 = viewMat.M21; circleMatrix.M22 = viewMat.M22; circleMatrix.M23 = viewMat.M23;
circleMatrix.M31 = viewMat.M31; circleMatrix.M32 = viewMat.M32; circleMatrix.M33 = viewMat.M33;
float hotSpotDist = TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius *TerrainGlobals.getEditor().getCurrentBrushInfo().mHotspot;
Matrix WorldInnerRadius = Matrix.Scaling(hotSpotDist, hotSpotDist, hotSpotDist);
WorldInnerRadius.Multiply(circleMatrix);
Matrix WorldOuterRadius = Matrix.Scaling(TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius, TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius, TerrainGlobals.getEditor().getCurrentBrushInfo().mRadius);
WorldOuterRadius.Multiply(circleMatrix);
// Render circles with their corresponding colors
BRenderDevice.getDevice().SetRenderState(RenderStates.TextureFactor, (int)BRenderDevice.D3DCOLOR_COLORVALUE(brushColor.X, brushColor.Y, brushColor.Z, 0.5f));
BRenderDevice.getDevice().SetTransform(TransformType.World, WorldInnerRadius);
BRenderDevice.getDevice().DrawPrimitives(PrimitiveType.LineStrip, 0, cNumCircleVBVerts - 1);
BRenderDevice.getDevice().SetRenderState(RenderStates.TextureFactor, (int)BRenderDevice.D3DCOLOR_COLORVALUE(brushColor.X, brushColor.Y, brushColor.Z, 1));
BRenderDevice.getDevice().SetTransform(TransformType.World, WorldOuterRadius);
BRenderDevice.getDevice().DrawPrimitives(PrimitiveType.LineStrip, 0, cNumCircleVBVerts - 1);
// Restore states
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorOperation, (int)TextureOperation.Modulate);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument1, (int)TextureArgument.Diffuse);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaOperation, (int)TextureOperation.Modulate);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.AlphaArgument1, (int)TextureArgument.Diffuse);
BRenderDevice.getDevice().SetTextureStageState(0, TextureStageStates.ColorArgument2, (int)TextureArgument.TextureColor);
BRenderDevice.getDevice().SetRenderState(RenderStates.AlphaBlendEnable, false);
BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferFunction, (int)Compare.LessEqual);
BRenderDevice.getDevice().SetRenderState(RenderStates.ZBufferWriteEnable, true);
BRenderDevice.getDevice().SetRenderState(RenderStates.AntialiasedLineEnable, false);
// Restore transform
BRenderDevice.getDevice().SetTransform(TransformType.World, Matrix.Identity);
}
}