/// <summary>
/// Iterates all of the tile sets and builds external references to the textures. Useful if you want to just
/// load the resulting map and not have to also load up textures. The external reference is stored on the
/// TileSet's Texture field so make sure you serialize that if you call this method.
/// </summary>
public static void BuildTileSetTextures(MapContent input, ContentProcessorContext context, string textureRoot = "")
{
foreach (var tileSet in input.TileSets)
{
// get the real path to the image
string path = Path.Combine(textureRoot, tileSet.Image);
// the asset name is the entire path, minus extension, after the content directory
string asset = string.Empty;
if (path.StartsWith(Directory.GetCurrentDirectory()))
asset = path.Remove(tileSet.Image.LastIndexOf('.')).Substring(Directory.GetCurrentDirectory().Length + 1);
else
asset = Path.GetFileNameWithoutExtension(path);
// build the asset as an external reference
OpaqueDataDictionary data = new OpaqueDataDictionary();
data.Add("GenerateMipmaps", false);
data.Add("ResizeToPowerOfTwo", false);
data.Add("TextureFormat", TextureProcessorOutputFormat.Color);
data.Add("ColorKeyEnabled", tileSet.ColorKey.HasValue);
data.Add("ColorKeyColor", tileSet.ColorKey.HasValue ? tileSet.ColorKey.Value : Microsoft.Xna.Framework.Color.Magenta);
tileSet.Texture = context.BuildAsset<Texture2DContent, Texture2DContent>(
new ExternalReference<Texture2DContent>(path), null, data, null, asset);
}
}
/// <summary>
/// Iterates all of the tile sets and builds external references to the textures. Useful if you want to just
/// load the resulting map and not have to also load up textures. The external reference is stored on the
/// TileSet's Texture field so make sure you serialize that if you call this method.
/// </summary>
public static void BuildTileSetTextures(MapContent input, ContentProcessorContext context, string textureRoot = "")
{
foreach (var tileSet in input.TileSets)
{
// get the real path to the image
string path = Path.Combine(textureRoot, tileSet.Image);
// the asset name is the entire path, minus extension, after the content directory
string asset = string.Empty;
if (path.StartsWith(Directory.GetCurrentDirectory()))
{
asset = path.Remove(tileSet.Image.LastIndexOf('.')).Substring(Directory.GetCurrentDirectory().Length + 1);
}
else
{
asset = Path.GetFileNameWithoutExtension(path);
}
// build the asset as an external reference
OpaqueDataDictionary data = new OpaqueDataDictionary();
data.Add("GenerateMipmaps", false);
data.Add("ResizeToPowerOfTwo", false);
data.Add("TextureFormat", TextureProcessorOutputFormat.Color);
data.Add("ColorKeyEnabled", tileSet.ColorKey.HasValue);
data.Add("ColorKeyColor", tileSet.ColorKey.HasValue ? tileSet.ColorKey.Value : Microsoft.Xna.Framework.Color.Magenta);
tileSet.Texture = context.BuildAsset <Texture2DContent, Texture2DContent>(
new ExternalReference <Texture2DContent>(path), null, data, null, asset);
}
}
/// <summary>
/// Iterates all tile sets and generates the correct source rectangles for all tiles inside the tilesets.
/// Additionally reads in the property information for the tiles and stores them alongside the source rectangles
/// in a Tile object stored in the TileSet's Tiles list.
/// </summary>
public static void GenerateTileSourceRectangles(MapContent input, string textureRoot = "")
{
// do some processing on tile sets to load external textures and figure out tile regions
foreach (var tileSet in input.TileSets)
{
// get the real path to the image
string path = Path.Combine(textureRoot, tileSet.Image);
// load the image so we can compute the individual tile source rectangles
int imageWidth = 0;
int imageHeight = 0;
using (Image image = Image.FromFile(path))
{
imageWidth = image.Width;
imageHeight = image.Height;
}
// remove the margins from our calculations
imageWidth -= tileSet.Margin * 2;
imageHeight -= tileSet.Margin * 2;
// figure out how many tiles fit on the X axis
int tileCountX = 0;
while (tileCountX * tileSet.TileWidth < imageWidth)
{
tileCountX++;
imageWidth -= tileSet.Spacing;
}
// figure out how many tiles fit on the Y axis
int tileCountY = 0;
while (tileCountY * tileSet.TileHeight < imageHeight)
{
tileCountY++;
imageHeight -= tileSet.Spacing;
}
// make our tiles. tiles are numbered by row, left to right.
for (int y = 0; y < tileCountY; y++)
{
for (int x = 0; x < tileCountX; x++)
{
Tile tile = new Tile();
// calculate the source rectangle
int rx = tileSet.Margin + x * (tileSet.TileWidth + tileSet.Spacing);
int ry = tileSet.Margin + y * (tileSet.TileHeight + tileSet.Spacing);
tile.Source = new Microsoft.Xna.Framework.Rectangle(rx, ry, tileSet.TileWidth, tileSet.TileHeight);
// get any properties from the tile set
int index = tileSet.FirstId + (y * tileCountX + x);
if (tileSet.TileProperties.ContainsKey(index))
{
tile.Properties = tileSet.TileProperties[index];
}
// save the tile
tileSet.Tiles.Add(tile);
}
}
}
}
/// <summary>
/// Iterates all tile sets and generates the correct source rectangles for all tiles inside the tilesets.
/// Additionally reads in the property information for the tiles and stores them alongside the source rectangles
/// in a Tile object stored in the TileSet's Tiles list.
/// </summary>
public static void GenerateTileSourceRectangles(MapContent input, string textureRoot = "")
{
// do some processing on tile sets to load external textures and figure out tile regions
foreach (var tileSet in input.TileSets)
{
// get the real path to the image
string path = Path.Combine(textureRoot, tileSet.Image);
// load the image so we can compute the individual tile source rectangles
int imageWidth = 0;
int imageHeight = 0;
using (Image image = Image.FromFile(path))
{
imageWidth = image.Width;
imageHeight = image.Height;
}
// remove the margins from our calculations
imageWidth -= tileSet.Margin * 2;
imageHeight -= tileSet.Margin * 2;
// figure out how many tiles fit on the X axis
int tileCountX = 0;
while (tileCountX * tileSet.TileWidth < imageWidth)
{
tileCountX++;
imageWidth -= tileSet.Spacing;
}
// figure out how many tiles fit on the Y axis
int tileCountY = 0;
while (tileCountY * tileSet.TileHeight < imageHeight)
{
tileCountY++;
imageHeight -= tileSet.Spacing;
}
// make our tiles. tiles are numbered by row, left to right.
for (int y = 0; y < tileCountY; y++)
{
for (int x = 0; x < tileCountX; x++)
{
Tile tile = new Tile();
// calculate the source rectangle
int rx = tileSet.Margin + x * (tileSet.TileWidth + tileSet.Spacing);
int ry = tileSet.Margin + y * (tileSet.TileHeight + tileSet.Spacing);
tile.Source = new Microsoft.Xna.Framework.Rectangle(rx, ry, tileSet.TileWidth, tileSet.TileHeight);
// get any properties from the tile set
int index = tileSet.FirstId + (y * tileCountX + x);
if (tileSet.TileProperties.ContainsKey(index))
{
tile.Properties = tileSet.TileProperties[index];
}
// save the tile
tileSet.Tiles.Add(tile);
}
}
}
}
