public void FillRectangle(RectI area, ref TilePicker tile)
{
// validate area
int w = _world.Header.WorldBounds.W;
area.Rebound(_world.Header.WorldBounds);
for (int x = area.Left; x <= area.Right; x++) {
for (int y = area.Top; y <= area.Bottom; y++) {
UpdateTile(ref tile, ref x, ref y, ref w);
}
}
}
public void DrawRectangle(RectI area, ref TilePicker tile)
{
// Use refs for faster access (really important!) speeds up a lot!
int w = _world.Header.WorldBounds.W;
int h = _world.Header.WorldBounds.H;
// Check boundaries
area.Rebound(_world.Header.WorldBounds);
// (needed for refs)
int x1 = area.Left;
int x2 = area.Right;
int y1 = area.Top;
int y2 = area.Bottom;
// top and bottom horizontal scanlines
for (int x = area.Left; x <= area.Right; x++) {
UpdateTile(ref tile, ref x, ref y1, ref w);
UpdateTile(ref tile, ref x, ref y2, ref w);
}
for (int y = area.Top; y <= area.Bottom; y++) {
UpdateTile(ref tile, ref x1, ref y, ref w);
UpdateTile(ref tile, ref x2, ref y, ref w);
}
}
public void UpdateWorldImage(RectI area, bool isRenderedLayer = false, string renderMsg = "Render Update Complete.", WriteableBitmap img = null)
{
// validate area
area.Rebound(_world.Header.WorldBounds);
int width = area.Width;
int height = area.Height;
int rts = isRenderedLayer ? 8 : 1;
string renderProgressMsg = isRenderedLayer ? "Rendering Textured World..." : "Rendering Pixel World...";
if (img == null) img = isRenderedLayer ? _worldImage.Rendered : _worldImage.Image;
var pixels = new BytePixels(area.Size * rts, 4);
var stride = img.PixelWidth * img.Format.BitsPerPixel / 8;
for (int x = area.X; x <= area.Right; x++)
{
int dx = x - area.X;
if (renderMsg != null) OnProgressChanged(this, dx, width, renderProgressMsg);
for (int y = area.Y; y <= area.Bottom; y++)
{
int dy = y - area.Y;
Tile tile = _world.Tiles[x, y];
if (tile != null)
{
var xy = (new PointInt32(x, y) - area.TopLeft) * rts;
var bp = isRenderedLayer ? GetTexture(y, tile) : GetTextureLayer("TilePixel", y, tile);
bp.PutData(pixels, xy);
}
}
}
SizeInt32 ts = new SizeInt32(rts, rts);
var realArea = isRenderedLayer ? new RectI(new PointInt32(), area.Size * ts) : area; // Rendered layer starts at 0,0
img.Lock();
img.WritePixels(realArea, pixels.GetData(), stride, 0);
if (!isRenderedLayer) img.AddDirtyRect(realArea);
img.Unlock();
if (renderMsg != null) OnProgressChanged(this, 100, 100, renderMsg);
}
