public Theater(TileSet tileset)
{
this.tileset = tileset;
var allocated = false;
Func <Sheet> allocate = () =>
{
if (allocated)
{
throw new SheetOverflowException("Terrain sheet overflow.Try increasing the tileset SheetSize parameter.");
}
allocated = true;
return(new Sheet(SheetT.Indexed, new Size(tileset.SheetSize, tileset.SheetSize)));
};
sheetBuilder = new SheetBuilder(SheetT.Indexed, allocate);
random = new MersenneTwister();
var frameCache = new FrameCache(WarGame.ModData.DefaultFileSystem, WarGame.ModData.SpriteLoaders);
foreach (var t in tileset.Templates)
{
var variants = new List <Sprite[]>();
foreach (var i in t.Value.Images)
{
var allFrames = frameCache[i];
var frameCount = tileset.EnableDepth ? allFrames.Length / 2 : allFrames.Length;
var indices = t.Value.Frames != null ? t.Value.Frames : Enumerable.Range(0, frameCount);
variants.Add(indices.Select(j => {
var f = allFrames[j];
var tile = t.Value.Contains(j)?t.Value[j]:null;
//The internal z axis is inverted from expectation (negative is closer)
var zOffset = tile != null ? -tile.ZOffset : 0;
var zRamp = tile != null ? tile.ZRamp : 1f;
var offset = new Vector3(f.Offset, zOffset);
var s = sheetBuilder.Allocate(f.Size, zRamp, offset);
Util.FastCopyIntoChannel(s, f.Data);
if (tileset.EnableDepth)
{
var ss = sheetBuilder.Allocate(f.Size, zRamp, offset);
Util.FastCopyIntoChannel(ss, allFrames[j + frameCount].Data);
//s and ss are guaranteed to use the same sheet because of the custom terrain sheet allocation.
s = new SpriteWithSecondaryData(s, ss.Bounds, ss.Channel);
}
return(s);
}).ToArray());
}
var allSprites = variants.SelectMany(s => s);
if (tileset.IgnoreTileSpriteOffsets)
{
allSprites = allSprites.Select(s => new Sprite(s.Sheet, s.Bounds, s.ZRamp, new Vector3(Vector2.Zero, s.Offset.Z), s.Channel, s.BlendMode));
}
templates.Add(t.Value.Id, new TheaterTemplate(allSprites.ToArray(), variants.First().Count(), t.Value.Images.Length));
}
missingTile = sheetBuilder.Add(new byte[1], new Size(1, 1));
Sheet.ReleaseBuffer();
}
/// <summary>
///
/// </summary>
/// <param name="fileSystem"></param>
/// <param name="filename"></param>
/// <param name="loaders"></param>
/// <param name="sheetBuilder"></param>
/// <returns></returns>
public static Sprite[] GetSprites(IReadOnlyFileSystem fileSystem, string filename, ISpriteLoader[] loaders, SheetBuilder sheetBuilder)
{
return(GetFrames(fileSystem, filename, loaders).Select(a => sheetBuilder.Add(a)).ToArray());
}