private void DrawTiles(Graphics g)
{
// Load all our tiled images
var images = from layer in this.tmxMap.Layers
where layer.Properties.GetPropertyValueAsBoolean("unity:collisionOnly", false) == false
where layer.Visible == true
where IsLayerEnabled(layer.DefaultName)
from y in Enumerable.Range(0, layer.Height)
from x in Enumerable.Range(0, layer.Width)
let tileId = layer.GetTileIdAt(x, y)
where tileId != 0
let tile = this.tmxMap.Tiles[tileId]
select new
{
Path = tile.TmxImage.Path,
Trans = tile.TmxImage.TransparentColor,
};
images = images.Distinct();
Dictionary <string, Bitmap> tileSetBitmaps = new Dictionary <string, Bitmap>();
foreach (var img in images)
{
Bitmap bmp = (Bitmap)Bitmap.FromFile(img.Path);
if (!String.IsNullOrEmpty(img.Trans))
{
System.Drawing.Color transColor = System.Drawing.ColorTranslator.FromHtml(img.Trans);
bmp.MakeTransparent(transColor);
}
tileSetBitmaps.Add(img.Path, bmp);
}
foreach (TmxLayer layer in this.tmxMap.Layers)
{
if (layer.Visible == false)
{
continue;
}
if (IsLayerEnabled(layer.DefaultName) == false)
{
continue;
}
if (layer.Properties.GetPropertyValueAsBoolean("unity:collisionOnly", false) == true)
{
continue;
}
// The range of x and y depends on the render order of the tiles
// By default we draw right and down but may reverse the tiles we visit
var range_x = Enumerable.Range(0, layer.Width);
var range_y = Enumerable.Range(0, layer.Height);
if (this.tmxMap.DrawOrderHorizontal == -1)
{
range_x = range_x.Reverse();
}
if (this.tmxMap.DrawOrderVertical == -1)
{
range_y = range_y.Reverse();
}
// Visit the tiles we are going to draw
var tiles = from y in range_y
from x in range_x
let rawTileId = layer.GetRawTileIdAt(x, y)
let tileId = layer.GetTileIdAt(x, y)
where tileId != 0
let tile = this.tmxMap.Tiles[tileId]
// Support for animated tiles. Just show the first frame of the animation.
let frame = (tile.Animation == null) ? tile : this.tmxMap.Tiles[tile.Animation.Frames[0].GlobalTileId]
select new
{
Tile = frame,
Position = TmxMath.TileCornerInScreenCoordinates(this.tmxMap, x, y),
Bitmap = tileSetBitmaps[frame.TmxImage.Path],
IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId),
IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId),
IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId),
};
PointF[] destPoints = new PointF[4];
PointF[] destPoints3 = new PointF[3];
foreach (var t in tiles)
{
PointF location = t.Position;
// Individual tiles may be larger than the given tile size of the overall map
location.Y = (t.Position.Y - t.Tile.TileSize.Height) + this.tmxMap.TileHeight;
// Make up the 'quad' of texture points and transform them
PointF center = new PointF(t.Tile.TileSize.Width * 0.5f, t.Tile.TileSize.Height * 0.5f);
destPoints[0] = new Point(0, 0);
destPoints[1] = new Point(t.Tile.TileSize.Width, 0);
destPoints[2] = new Point(t.Tile.TileSize.Width, t.Tile.TileSize.Height);
destPoints[3] = new Point(0, t.Tile.TileSize.Height);
// Transform the points based on our flipped flags
TmxMath.TransformPoints(destPoints, center, t.IsFlippedDiagnoally, t.IsFlippedHorizontally, t.IsFlippedVertically);
// Put the destination points back into world space
TmxMath.TranslatePoints(destPoints, location);
// Stupid DrawImage function only takes 3 destination points otherwise it throws an exception
destPoints3[0] = destPoints[0];
destPoints3[1] = destPoints[1];
destPoints3[2] = destPoints[3];
// Draw the tile
Rectangle source = new Rectangle(t.Tile.LocationOnSource, t.Tile.TileSize);
g.DrawImage(t.Bitmap, destPoints3, source, GraphicsUnit.Pixel);
}
}
tileSetBitmaps.Clear();
}
private void DrawTiles(Graphics g)
{
foreach (TmxLayer layer in this.tmxMap.Layers)
{
if (layer.Visible == false)
{
continue;
}
if (layer.Ignore == TmxLayer.IgnoreSettings.Visual)
{
continue;
}
// Set the opacity for the layer
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.Matrix33 = layer.Opacity;
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
// Translate by the offset
GraphicsState state = g.Save();
g.TranslateTransform(layer.Offset.X, layer.Offset.Y);
// The range of x and y depends on the render order of the tiles
// By default we draw right and down but may reverse the tiles we visit
var range_x = Enumerable.Range(0, GetMaxTilesWide(layer));
var range_y = Enumerable.Range(0, GetMaxTilesHigh(layer));
if (this.tmxMap.DrawOrderHorizontal == -1)
{
range_x = range_x.Reverse();
}
if (this.tmxMap.DrawOrderVertical == -1)
{
range_y = range_y.Reverse();
}
// Visit the tiles we are going to draw
var tiles = from y in range_y
from x in range_x
let rawTileId = layer.GetRawTileIdAt(x, y)
let tileId = layer.GetTileIdAt(x, y)
where tileId != 0
let tile = this.tmxMap.Tiles[tileId]
// Support for animated tiles. Just show the first frame of the animation.
let frame = this.tmxMap.Tiles[tile.Animation.Frames[0].GlobalTileId]
select new
{
Tile = frame,
Position = TmxMath.TileCornerInScreenCoordinates(this.tmxMap, x, y),
Bitmap = frame.TmxImage.ImageBitmap,
IsFlippedDiagnoally = TmxMath.IsTileFlippedDiagonally(rawTileId),
IsFlippedHorizontally = TmxMath.IsTileFlippedHorizontally(rawTileId),
IsFlippedVertically = TmxMath.IsTileFlippedVertically(rawTileId),
};
PointF[] destPoints = new PointF[4];
PointF[] destPoints3 = new PointF[3];
foreach (var t in tiles)
{
PointF location = t.Position;
// Individual tiles may be larger than the given tile size of the overall map
location.Y = (t.Position.Y - t.Tile.TileSize.Height) + this.tmxMap.TileHeight;
// Take tile offset into account
location.X += t.Tile.Offset.X;
location.Y += t.Tile.Offset.Y;
// Make up the 'quad' of texture points and transform them
PointF center = new PointF(t.Tile.TileSize.Width * 0.5f, t.Tile.TileSize.Height * 0.5f);
destPoints[0] = new Point(0, 0);
destPoints[1] = new Point(t.Tile.TileSize.Width, 0);
destPoints[2] = new Point(t.Tile.TileSize.Width, t.Tile.TileSize.Height);
destPoints[3] = new Point(0, t.Tile.TileSize.Height);
// Transform the points based on our flipped flags
TmxMath.TransformPoints(destPoints, center, t.IsFlippedDiagnoally, t.IsFlippedHorizontally, t.IsFlippedVertically);
// Put the destination points back into world space
TmxMath.TranslatePoints(destPoints, location);
// Stupid DrawImage function only takes 3 destination points otherwise it throws an exception
destPoints3[0] = destPoints[0];
destPoints3[1] = destPoints[1];
destPoints3[2] = destPoints[3];
// Draw the tile
Rectangle source = new Rectangle(t.Tile.LocationOnSource, t.Tile.TileSize);
g.DrawImage(t.Bitmap, destPoints3, source, GraphicsUnit.Pixel, imageAttributes);
}
g.Restore(state);
}
}
