void DrawAtGeocode(Geocode tlGeo, Geocode brGeo, IMapRenderer renderer, Geocode geocode, int pixelLevelZoom, int adjustX, int adjustY, IMapDrawable drawable)
{
if (!GeocodeBoxContains(tlGeo, brGeo, geocode) || drawable == null)
{
return;
}
Point p = GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY);
renderer.Draw(drawable, new Rectangle(p.X - drawable.Width / 2, p.Y - drawable.Height / 2, drawable.Width, drawable.Height), new Rectangle(0, 0, drawable.Width, drawable.Height));
}
public void Draw(Camera2D camera, SpriteBatch spriteBatch)
{
_mapRenderer.Draw(camera.GetViewMatrix());
spriteBatch.Begin(transformMatrix: camera.GetViewMatrix(), samplerState: SamplerState.PointClamp);
if (SceneManager.Instance.DebugMode)
{
DrawTileColliders(spriteBatch);
}
spriteBatch.End();
}
public override void Draw(SpriteBatch spriteBatch)
{
var transformMatrix = CameraTracker.TransformationMatrix;
spriteBatch.Begin(samplerState: SamplerState.PointClamp, transformMatrix: transformMatrix,
sortMode: SpriteSortMode.BackToFront, depthStencilState: DepthStencilState.Default);
_mapRenderer.Draw(transformMatrix);
foreach (var toRender in RenderList)
{
if (CameraTracker.Contains(toRender.Area))
{
toRender.Draw(spriteBatch);
}
}
PathRenderer.Draw(spriteBatch);
spriteBatch.End();
GuiManager.Draw(spriteBatch);
}
void DrawAtGeocode(Geocode tlGeo, Geocode brGeo, IMapRenderer renderer, Geocode geocode, int pixelLevelZoom, int adjustX, int adjustY, IMapDrawable drawable)
{
if (!GeocodeBoxContains(tlGeo, brGeo, geocode) || drawable == null)
return;
Point p = GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY);
renderer.Draw(drawable, new Rectangle(p.X - drawable.Width / 2, p.Y - drawable.Height / 2, drawable.Width, drawable.Height), new Rectangle(0, 0, drawable.Width, drawable.Height));
}
public int DrawMap(IMapRenderer renderer, int x, int y, int width, int height, WaitCallback callback, object state)
{
int unavailable = 0;
// approximate the the top left tile (it may be off by 1), but the loop
// below will kept it from being drawn
int midX = x + width / 2 - myCenterOffset.X;
int midY = y + height / 2 - myCenterOffset.Y;
int xTiles = (midX - x) / 256 + 1;
int yTiles = (midY - y) / 256 + 1;
Key currentXKey = new Key(myCenterTile.X - xTiles, myCenterTile.Y - yTiles, myZoom);
int xStart = midX - xTiles * 256;
int yStart = midY - yTiles * 256;
Rectangle rect = new Rectangle(x, y, width, height);
int tickCount = Environment.TickCount;
for (int currentX = xStart; currentX < x + width; currentX += 256, currentXKey.X++)
{
Key key = currentXKey;
for (int currentY = yStart; currentY < y + height; currentY += 256, key.Y++)
{
IMapDrawable tile = null;
// find the intersect region of the tile that we are drawing
Rectangle tileRect = new Rectangle(currentX, currentY, 256, 256);
tileRect.Intersect(rect);
Rectangle sourceRect = new Rectangle(tileRect.X - currentX, tileRect.Y - currentY, tileRect.Width, tileRect.Height);
// dont draw off the map tiles
if (!key.IsValid)
{
// dont draw gray rect if we're drawing transparent
if (!HasAlpha)
renderer.FillRectangle(BackColor, tileRect);
continue;
}
// first try to get the tile from the tileData
TileData tileData = GetTile(key, renderer, callback, state);
if (tileData != null)
{
tile = tileData.Bitmap;
tileData.LastUsed = tickCount;
}
if (tile == null)
{
// tile not available, so try to generate a tile from child tiles
unavailable++;
Key childKey = new Key(key.X * 2, key.Y * 2, key.Zoom + 1);
Key tl = childKey;
Key tr = new Key(childKey.X + 1, childKey.Y, childKey.Zoom);
Key br = new Key(childKey.X + 1, childKey.Y + 1, childKey.Zoom);
Key bl = new Key(childKey.X, childKey.Y + 1, childKey.Zoom);
TileData tld;
TileData trd;
TileData bld;
TileData brd;
// see if the children are available
// we also need to null check, because they could be loading
if (TileCache.TryGetValue(tl, out tld) && TileCache.TryGetValue(tr, out trd) && TileCache.TryGetValue(br, out brd) && TileCache.TryGetValue(bl, out bld)
&& tld != null && trd != null && bld != null & brd != null
&& tld.Bitmap != null && trd.Bitmap != null && bld.Bitmap != null && brd.Bitmap != null)
{
// children are available, so mark them as recently used
tld.LastUsed = trd.LastUsed = bld.LastUsed = brd.LastUsed = tickCount;
// calculate the destination rects of each child tile
Rectangle tlr = new Rectangle(currentX, currentY, 128, 128);
Rectangle trr = new Rectangle(currentX + 128, currentY, 128, 128);
Rectangle blr = new Rectangle(currentX, currentY + 128, 128, 128);
Rectangle brr = new Rectangle(currentX + 128, currentY + 128, 128, 128);
tlr.Intersect(rect);
trr.Intersect(rect);
blr.Intersect(rect);
brr.Intersect(rect);
// calculate the source rect of each child tile
Rectangle tlsr = new Rectangle(tlr.X - currentX, tlr.Y - currentY, tlr.Width * 2, tlr.Height * 2);
Rectangle trsr = new Rectangle(trr.X - currentX - 128, trr.Y - currentY, trr.Width * 2, trr.Height * 2);
Rectangle blsr = new Rectangle(blr.X - currentX, blr.Y - currentY - 128, blr.Width * 2, blr.Height * 2);
Rectangle brsr = new Rectangle(brr.X - currentX - 128, brr.Y - currentY - 128, brr.Width * 2, brr.Height * 2);
// don't attempt to draw tiles that we don't need to
if (tlsr.Width > 0 && tlsr.Height > 0)
renderer.Draw(tld.Bitmap, tlr, tlsr);
if (trsr.Width > 0 && trsr.Height > 0)
renderer.Draw(trd.Bitmap, trr, trsr);
if (blsr.Width > 0 && blsr.Height > 0)
renderer.Draw(bld.Bitmap, blr, blsr);
if (brsr.Width > 0 && brsr.Height > 0)
renderer.Draw(brd.Bitmap, brr, brsr);
continue;
}
else
{
// can't generate from children, so try generating one of the parents
Key parent = key;
Rectangle parentRect = sourceRect;
TileData parentData = null;
while (parent.Zoom >= 0 && parentData == null)
{
parentRect.Width /= 2;
parentRect.Height /= 2;
parentRect.X /= 2;
parentRect.Y /= 2;
if (parent.X % 2 == 1)
parentRect.X += 128;
if (parent.Y % 2 == 1)
parentRect.Y += 128;
parent.X /= 2;
parent.Y /= 2;
parent.Zoom--;
TileCache.TryGetValue(parent, out parentData);
}
if (parentData != null && parentData.Bitmap != null)
{
// mark this tile as used recently
parentData.LastUsed = tickCount;
if (tileRect.Width > 0 && tileRect.Height > 0)
renderer.Draw(parentData.Bitmap, tileRect, parentRect);
continue;
}
else
{
// tile is being downloaded, and we have no parent or child images we can use to draw a temp
// image. let's try to use a refresh bitmap.
// tile is not available, and this is a transparent draw,
// so dont draw at all
if (HasAlpha)
continue;
if ((tile = RefreshBitmap) == null)
{
renderer.FillRectangle(BackColor, tileRect);
continue;
}
}
}
}
if (tile != null && tileRect.Width > 0 && tileRect.Height > 0)
renderer.Draw(tile, tileRect, sourceRect);
}
}
int pixelLevelZoom = myZoom + 8;
int centerXReference = myCenterTile.X << 8;
int centerYReference = myCenterTile.Y << 8;
Geocode tlGeo = PointToGeocode(new Point(Math.Max(centerXReference + myCenterOffset.X - width / 2, 0), Math.Max(centerYReference + myCenterOffset.Y - height / 2, 0)), pixelLevelZoom);
Geocode brGeo = PointToGeocode(new Point(Math.Min(centerXReference + myCenterOffset.X + width / 2, 1 << pixelLevelZoom), Math.Min(centerYReference + myCenterOffset.Y + height / 2, 1 << pixelLevelZoom)), pixelLevelZoom);
int adjustX = midX - centerXReference;
int adjustY = midY - centerYReference;
foreach(Route route in myRoutes)
{
List<Point> points = new List<Point>();
Geocode lastOffscreenPoint = Geocode.Null;
for (int i = 0; i < route.PolyLine.Length; i++)
{
Geocode geocode = route.PolyLine[i];
if (myLevelToZoom[route.Levels[i]] > myZoom)
continue;
// check if we're drawing off the screen
if (!GeocodeBoxContains(tlGeo, brGeo, geocode))
{
// if we're drawing from on screen to off screen, draw it, but note that
// we are now off screen
if (lastOffscreenPoint == Geocode.Null)
points.Add(GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY));
lastOffscreenPoint = geocode;
continue;
}
// draw in from off the screen if necessary
if (lastOffscreenPoint != Geocode.Null)
points.Add(GeocodeToScreen(lastOffscreenPoint, pixelLevelZoom, adjustX, adjustY));
// note that we are now in screen space
lastOffscreenPoint = Geocode.Null;
points.Add(GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY));
}
if (points.Count > 1)
renderer.DrawLines(route.LineWidth, Color.Cyan, points.ToArray());
}
foreach (IMapOverlay overlay in Overlays)
{
DrawAtGeocode(tlGeo, brGeo, renderer, overlay.Geocode, pixelLevelZoom, adjustX + overlay.Offset.X, adjustY + overlay.Offset.Y, overlay.Drawable);
}
return unavailable;
}
public int DrawMap(IMapRenderer renderer, int x, int y, int width, int height, WaitCallback callback, object state)
{
int unavailable = 0;
// approximate the the top left tile (it may be off by 1), but the loop
// below will kept it from being drawn
int midX = x + width / 2 - myCenterOffset.X;
int midY = y + height / 2 - myCenterOffset.Y;
int xTiles = (midX - x) / 256 + 1;
int yTiles = (midY - y) / 256 + 1;
Key currentXKey = new Key(myCenterTile.X - xTiles, myCenterTile.Y - yTiles, myZoom);
int xStart = midX - xTiles * 256;
int yStart = midY - yTiles * 256;
Rectangle rect = new Rectangle(x, y, width, height);
int tickCount = Environment.TickCount;
for (int currentX = xStart; currentX < x + width; currentX += 256, currentXKey.X++)
{
Key key = currentXKey;
for (int currentY = yStart; currentY < y + height; currentY += 256, key.Y++)
{
IMapDrawable tile = null;
// find the intersect region of the tile that we are drawing
Rectangle tileRect = new Rectangle(currentX, currentY, 256, 256);
tileRect.Intersect(rect);
Rectangle sourceRect = new Rectangle(tileRect.X - currentX, tileRect.Y - currentY, tileRect.Width, tileRect.Height);
// dont draw off the map tiles
if (!key.IsValid)
{
// dont draw gray rect if we're drawing transparent
if (!HasAlpha)
{
renderer.FillRectangle(BackColor, tileRect);
}
continue;
}
// first try to get the tile from the tileData
TileData tileData = GetTile(key, renderer, callback, state);
if (tileData != null)
{
tile = tileData.Bitmap;
tileData.LastUsed = tickCount;
}
if (tile == null)
{
// tile not available, so try to generate a tile from child tiles
unavailable++;
Key childKey = new Key(key.X * 2, key.Y * 2, key.Zoom + 1);
Key tl = childKey;
Key tr = new Key(childKey.X + 1, childKey.Y, childKey.Zoom);
Key br = new Key(childKey.X + 1, childKey.Y + 1, childKey.Zoom);
Key bl = new Key(childKey.X, childKey.Y + 1, childKey.Zoom);
TileData tld;
TileData trd;
TileData bld;
TileData brd;
// see if the children are available
// we also need to null check, because they could be loading
if (TileCache.TryGetValue(tl, out tld) && TileCache.TryGetValue(tr, out trd) && TileCache.TryGetValue(br, out brd) && TileCache.TryGetValue(bl, out bld) &&
tld != null && trd != null && bld != null & brd != null &&
tld.Bitmap != null && trd.Bitmap != null && bld.Bitmap != null && brd.Bitmap != null)
{
// children are available, so mark them as recently used
tld.LastUsed = trd.LastUsed = bld.LastUsed = brd.LastUsed = tickCount;
// calculate the destination rects of each child tile
Rectangle tlr = new Rectangle(currentX, currentY, 128, 128);
Rectangle trr = new Rectangle(currentX + 128, currentY, 128, 128);
Rectangle blr = new Rectangle(currentX, currentY + 128, 128, 128);
Rectangle brr = new Rectangle(currentX + 128, currentY + 128, 128, 128);
tlr.Intersect(rect);
trr.Intersect(rect);
blr.Intersect(rect);
brr.Intersect(rect);
// calculate the source rect of each child tile
Rectangle tlsr = new Rectangle(tlr.X - currentX, tlr.Y - currentY, tlr.Width * 2, tlr.Height * 2);
Rectangle trsr = new Rectangle(trr.X - currentX - 128, trr.Y - currentY, trr.Width * 2, trr.Height * 2);
Rectangle blsr = new Rectangle(blr.X - currentX, blr.Y - currentY - 128, blr.Width * 2, blr.Height * 2);
Rectangle brsr = new Rectangle(brr.X - currentX - 128, brr.Y - currentY - 128, brr.Width * 2, brr.Height * 2);
// don't attempt to draw tiles that we don't need to
if (tlsr.Width > 0 && tlsr.Height > 0)
{
renderer.Draw(tld.Bitmap, tlr, tlsr);
}
if (trsr.Width > 0 && trsr.Height > 0)
{
renderer.Draw(trd.Bitmap, trr, trsr);
}
if (blsr.Width > 0 && blsr.Height > 0)
{
renderer.Draw(bld.Bitmap, blr, blsr);
}
if (brsr.Width > 0 && brsr.Height > 0)
{
renderer.Draw(brd.Bitmap, brr, brsr);
}
continue;
}
else
{
// can't generate from children, so try generating one of the parents
Key parent = key;
Rectangle parentRect = sourceRect;
TileData parentData = null;
while (parent.Zoom >= 0 && parentData == null)
{
parentRect.Width /= 2;
parentRect.Height /= 2;
parentRect.X /= 2;
parentRect.Y /= 2;
if (parent.X % 2 == 1)
{
parentRect.X += 128;
}
if (parent.Y % 2 == 1)
{
parentRect.Y += 128;
}
parent.X /= 2;
parent.Y /= 2;
parent.Zoom--;
TileCache.TryGetValue(parent, out parentData);
}
if (parentData != null && parentData.Bitmap != null)
{
// mark this tile as used recently
parentData.LastUsed = tickCount;
if (tileRect.Width > 0 && tileRect.Height > 0)
{
renderer.Draw(parentData.Bitmap, tileRect, parentRect);
}
continue;
}
else
{
// tile is being downloaded, and we have no parent or child images we can use to draw a temp
// image. let's try to use a refresh bitmap.
// tile is not available, and this is a transparent draw,
// so dont draw at all
if (HasAlpha)
{
continue;
}
if ((tile = RefreshBitmap) == null)
{
renderer.FillRectangle(BackColor, tileRect);
continue;
}
}
}
}
if (tile != null && tileRect.Width > 0 && tileRect.Height > 0)
{
renderer.Draw(tile, tileRect, sourceRect);
}
}
}
int pixelLevelZoom = myZoom + 8;
int centerXReference = myCenterTile.X << 8;
int centerYReference = myCenterTile.Y << 8;
Geocode tlGeo = PointToGeocode(new Point(Math.Max(centerXReference + myCenterOffset.X - width / 2, 0), Math.Max(centerYReference + myCenterOffset.Y - height / 2, 0)), pixelLevelZoom);
Geocode brGeo = PointToGeocode(new Point(Math.Min(centerXReference + myCenterOffset.X + width / 2, 1 << pixelLevelZoom), Math.Min(centerYReference + myCenterOffset.Y + height / 2, 1 << pixelLevelZoom)), pixelLevelZoom);
int adjustX = midX - centerXReference;
int adjustY = midY - centerYReference;
foreach (Route route in myRoutes)
{
List <Point> points = new List <Point>();
Geocode lastOffscreenPoint = Geocode.Null;
for (int i = 0; i < route.PolyLine.Length; i++)
{
Geocode geocode = route.PolyLine[i];
if (myLevelToZoom[route.Levels[i]] > myZoom)
{
continue;
}
// check if we're drawing off the screen
if (!GeocodeBoxContains(tlGeo, brGeo, geocode))
{
// if we're drawing from on screen to off screen, draw it, but note that
// we are now off screen
if (lastOffscreenPoint == Geocode.Null)
{
points.Add(GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY));
}
lastOffscreenPoint = geocode;
continue;
}
// draw in from off the screen if necessary
if (lastOffscreenPoint != Geocode.Null)
{
points.Add(GeocodeToScreen(lastOffscreenPoint, pixelLevelZoom, adjustX, adjustY));
}
// note that we are now in screen space
lastOffscreenPoint = Geocode.Null;
points.Add(GeocodeToScreen(geocode, pixelLevelZoom, adjustX, adjustY));
}
if (points.Count > 1)
{
renderer.DrawLines(route.LineWidth, Color.Cyan, points.ToArray());
}
}
foreach (IMapOverlay overlay in Overlays)
{
DrawAtGeocode(tlGeo, brGeo, renderer, overlay.Geocode, pixelLevelZoom, adjustX + overlay.Offset.X, adjustY + overlay.Offset.Y, overlay.Drawable);
}
return(unavailable);
}
private void RerenderMap()
{
mapRenderer.Draw(map, ref texture);
}
