public void Draw(RenderContext context)
{
if (context.layerPass != RenderContext.LayerPass.UI_PASS)
{
return;
}
if (debugLinesBuffer == null)
{
BlobCollection blobs = OSMReader.GetAllBlobs(sector);
debugLinesBuffer = OSMLineBufferGenerator.GenerateDebugLines(context.graphicsDevice, blobs);
}
// draw those lines
Effect effect = GlobalContent.DebugLinesShader;
effect.Parameters["Texture"].SetValue(debugLinesBuffer.texture);
effect.Parameters["WVP"].SetValue(context.WVP.toMatrix());
effect.Parameters["LineWidth"].SetValue((float)Math.Pow(0.5, context.cameraZoom) * 50);
context.graphicsDevice.Indices = debugLinesBuffer.indices;
context.graphicsDevice.SetVertexBuffer(debugLinesBuffer.vertices);
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
context.graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, debugLinesBuffer.indices.IndexCount / 3);
}
// TODO: need to call this once for all debug buffers somehow
string text = $"Nothing Selected";
Vector2 size = GlobalContent.Arial.MeasureString(text);
spriteBatch.Begin(SpriteSortMode.Deferred, null, null, DepthStencilState.Default, null, null, null);
spriteBatch.DrawString(GlobalContent.Arial, text, new Vector2(context.graphicsDevice.Viewport.Width - 5 - size.X, 5), Color.White);
spriteBatch.End();
}
public void LoadLinesFromFile()
{
BlobCollection blobs = OSMReader.GetAllBlobs(sector);
BlobsIntersector.DoIntersections(blobs);
var allDescriptors = new List <IDescriptor>();
allDescriptors.AddRange(descriptors);
allDescriptors.AddRange(treeDescriptors);
allDescriptors.AddRange(grassDescriptors);
foreach (var descriptor in allDescriptors)
{
descriptor.Load(blobs);
descriptor.Init(blobs);
}
}