private void DrawFlat(GraphicsDevice graphicsDevice, SectorBounds bounds, ISector rootSector)
{
RenderTarget2D renderTarget = renderTargets[rootSector];
// Set the render target
graphicsDevice.SetRenderTarget(renderTarget);
graphicsDevice.DepthStencilState = new DepthStencilState()
{
DepthBufferEnable = true
};
graphicsDevice.Clear(Pallete.OCEAN_BLUE);
double relativeCameraZoom = camera.cameraZoom - Math.Log(ZCoords.GetSectorManager().GetTopmostOSMSectors().Count, 4) + (Game1.RECORDING ? 1 : 0);
int zoomLevel = Math.Min(Math.Max((int)(relativeCameraZoom - 3), 0), ZCoords.GetSectorManager().GetHighestOSMZoom());
List <ISector> containedSectors = rootSector.GetSectorsInRange(bounds.minX, bounds.maxX, bounds.minY, bounds.maxY, zoomLevel);
List <ISector> sorted = containedSectors.Where(x => x.GetRoot().Equals(rootSector)).ToList();
sorted.Sort((x, y) => x.Zoom.CompareTo(y.Zoom));
foreach (var sector in sorted)
{
IGraphicsBuffer buffer = loadedMaps[sector];
if (!(buffer is ImageTileBuffer))
{
continue;
}
Matrixd projection = Matrixd.CreateOrthographicOffCenter(bounds.minX * (1 << sector.Zoom) - sector.X, bounds.maxX * (1 << sector.Zoom) - sector.X, bounds.maxY * (1 << sector.Zoom) - sector.Y, bounds.minY * (1 << sector.Zoom) - sector.Y, -1, 0.01f); // TODO: why negative?
RenderContext context = new RenderContext(graphicsDevice, projection, bounds.minX * (1 << sector.Zoom) - sector.X, bounds.maxX * (1 << sector.Zoom) - sector.X, bounds.minY * (1 << sector.Zoom) - sector.Y, bounds.maxY * (1 << sector.Zoom) - sector.Y, camera.cameraZoom, RenderContext.LayerPass.MAIN_PASS);
buffer.Draw(context);
}
}
private void Draw3D(GraphicsDevice graphicsDevice, SectorBounds bounds, ISector rootSector, RenderContext.LayerPass layerPass)
{
double relativeCameraZoom = camera.cameraZoom - Math.Log(ZCoords.GetSectorManager().GetTopmostOSMSectors().Count, 4) + (Game1.RECORDING ? 1 : 0);
int zoomLevel = Math.Min(Math.Max((int)(relativeCameraZoom - 3), 0), ZCoords.GetSectorManager().GetHighestOSMZoom());
List <ISector> containedSectors = rootSector.GetSectorsInRange(bounds.minX, bounds.maxX, bounds.minY, bounds.maxY, zoomLevel);
List <ISector> sorted = containedSectors.Where(x => x.GetRoot().Equals(rootSector)).ToList();
sorted.Sort((x, y) => x.Zoom.CompareTo(y.Zoom));
foreach (var sector in sorted)
{
IGraphicsBuffer buffer = loadedMaps[sector];
if (buffer is ImageTileBuffer)
{
continue;
}
SectorBounds b = new SectorBounds(bounds.minX * (1 << sector.Zoom) - sector.X, bounds.maxX * (1 << sector.Zoom) - sector.X, bounds.minY * (1 << sector.Zoom) - sector.Y, bounds.maxY * (1 << sector.Zoom) - sector.Y);
SectorBounds limitedB = new SectorBounds(Math.Max(0, Math.Min(1, b.minX)), Math.Max(0, Math.Min(1, b.maxX)), Math.Max(0, Math.Min(1, b.minY)), Math.Max(0, Math.Min(1, b.maxY)));
BasicEffect basicEffect = new BasicEffect(graphicsDevice);
camera.ApplyMatrices(basicEffect);
// going to make it easy and assume the shape is perfectly parallel (it's not)
// the sector plane is constructed by flattening the visible portion of the sphere, basically
Vector3d v1 = sector.ProjectToSphereCoordinates(new Vector2d(limitedB.minX, limitedB.minY));
Vector3d v2 = sector.ProjectToSphereCoordinates(new Vector2d(limitedB.maxX, limitedB.minY));
Vector3d v3 = sector.ProjectToSphereCoordinates(new Vector2d(limitedB.minX, limitedB.maxY));
Vector3d xAxis = (v2 - v1) / (limitedB.maxX - limitedB.minX);
Vector3d yAxis = (v3 - v1) / (limitedB.maxY - limitedB.minY);
Vector3d start = v1 - xAxis * limitedB.minX - yAxis * limitedB.minY;
Vector3d zAxis = start * (xAxis.Length() + yAxis.Length()) / start.Length() / 2; // make this roughly the same length
// matrixes copied over
Matrixd world = Matrixd.CreateRotationZ(-camera.cameraRotX) * Matrixd.CreateRotationX(camera.cameraRotY); // eh.... think hard on this later
double distance = 9 * Math.Pow(0.5, camera.cameraZoom);
Matrixd view = CameraMatrixManager.GetWorldViewd(distance);
Matrixd projection = CameraMatrixManager.GetWorldProjectiond(distance, graphicsDevice.Viewport.AspectRatio);
Matrixd transformMatrix = new Matrixd(xAxis.X, xAxis.Y, xAxis.Z, 0, yAxis.X, yAxis.Y, yAxis.Z, 0, zAxis.X, zAxis.Y, zAxis.Z, 0, start.X, start.Y, start.Z, 1); // turns our local coordinates into 3d spherical coordinates, based on the sector
Matrixd WVP = Normalize(transformMatrix * world * view * projection); // combine them all to allow for higher precision
RenderContext context = new RenderContext(graphicsDevice, WVP, b.minX, b.maxX, b.minY, b.maxY, camera.cameraZoom, layerPass);
buffer.Draw(context);
}
}
private void InitDraw(GraphicsDevice graphicsDevice, SectorBounds bounds, ISector rootSector)
{
double relativeCameraZoom = camera.cameraZoom - Math.Log(ZCoords.GetSectorManager().GetTopmostOSMSectors().Count, 4) + (Game1.RECORDING ? 1 : 0);
// autoload stuff
// TODO: move to update step?
int zoomLevel = Math.Min(Math.Max((int)(relativeCameraZoom - 3), 0), ZCoords.GetSectorManager().GetHighestOSMZoom());
List <ISector> containedSectors = rootSector.GetSectorsInRange(bounds.minX, bounds.maxX, bounds.minY, bounds.maxY, zoomLevel);
foreach (var pair in loadedMaps.Where(x => AllowUnload(x.Key, rootSector, containedSectors)).ToList())
{
loadedMaps[pair.Key].Dispose();
loadedMaps.Remove(pair.Key);
}
// end autoload stuff
if (toLoad != null || Constants.TO_LOAD != null)
{
if (Constants.TO_LOAD != null)
{
toLoad = ZCoords.GetSectorManager().FromString(Constants.TO_LOAD);
}
Stopwatch sw = new Stopwatch();
sw.Start();
foreach (var sector in toLoad.GetChildrenAtLevel(ZCoords.GetSectorManager().GetHighestOSMZoom()))
{
osmSectorLoader.GetGraphicsBuffer(graphicsDevice, sector).Dispose();
}
Console.WriteLine($"Total load time for {toLoad} is {sw.Elapsed.TotalHours} h");
toLoad = null;
if (Constants.TO_LOAD != null)
{
Constants.TERMINATE = true;
Constants.TO_LOAD = null;
}
}
bool loadCache = !(relativeCameraZoom - 4 > ZCoords.GetSectorManager().GetHighestOSMZoom());
foreach (var l in containedSectors)
{
if (loadCache)
{
if (!loadedMaps.ContainsKey(l))
{
loadedMaps[l] = osmSectorLoader.GetCacheBuffer(graphicsDevice, l);
}
}
else
{
if (!loadedMaps.ContainsKey(l) || loadedMaps[l] is ImageTileBuffer)
{
if (loadedMaps.ContainsKey(l))
{
loadedMaps[l].Dispose();
}
loadedMaps[l] = osmSectorLoader.GetGraphicsBuffer(graphicsDevice, l);
}
}
}
List <ISector> sorted = containedSectors.Where(x => x.GetRoot().Equals(rootSector)).ToList();
sorted.Sort((x, y) => x.Zoom.CompareTo(y.Zoom));
foreach (var sector in sorted)
{
IGraphicsBuffer buffer = loadedMaps[sector];
Matrixd projection = Matrixd.CreateOrthographicOffCenter(bounds.minX * (1 << sector.Zoom) - sector.X, bounds.maxX * (1 << sector.Zoom) - sector.X, bounds.maxY * (1 << sector.Zoom) - sector.Y, bounds.minY * (1 << sector.Zoom) - sector.Y, -1, 0.01f); // TODO: why negative?
RenderContext context = new RenderContext(graphicsDevice, projection, bounds.minX * (1 << sector.Zoom) - sector.X, bounds.maxX * (1 << sector.Zoom) - sector.X, bounds.minY * (1 << sector.Zoom) - sector.Y, bounds.maxY * (1 << sector.Zoom) - sector.Y, camera.cameraZoom, RenderContext.LayerPass.MAIN_PASS);
buffer.InitDraw(context);
}
}