IMapNavigator<GridDirection> CreateMatcherNavigator()
{
if (RenderType.IsIsometric())
{
// Cardinality matches always match against the visual major axes.
// For iso/hex systems, this is NE, NW, SE, SW. For plain grids it
// is N,E,S,W in map coordinates.
return new FixedOffsetRotationGridNavigator(navigator, 1);
}
return navigator;
}
CacheEntry CacheTryFindSourceMask(CardinalIndex dir)
{
if (cardinalMaskRegistry.TryFind("mask.blending", dir, out var providedTile) &&
providedTile.HasTexture)
{
return(new CacheEntry(true,
textureOperations.ExtractData(providedTile.Texture, providedTile.Texture.Bounds),
providedTile.Anchor));
}
var sourceArea = textureOperations.TileAreaForCardinalDirection(tileSize, dir);
if (renderType.IsIsometric())
{
if (ditherMask.HasTexture)
{
return(new CacheEntry(true,
textureOperations.ExtractData(ditherMask.Texture, sourceArea),
ditherMask.Anchor));
}
}
return(new CacheEntry(false, null, default));
}
public static void OffsetFor(this SpritePosition p, RenderType t, out ViewportCoordinates result)
{
if (t.IsIsometric())
{
switch (p)
{
case SpritePosition.CellMap:
result = new ViewportCoordinates(0, 2);
break;
case SpritePosition.Whole:
result = new ViewportCoordinates(0, 0);
break;
case SpritePosition.Up:
result = new ViewportCoordinates(0, -1);
break;
case SpritePosition.Right:
result = new ViewportCoordinates(1, 0);
break;
case SpritePosition.Down:
result = new ViewportCoordinates(0, 1);
break;
case SpritePosition.Left:
result = new ViewportCoordinates(-1, 0);
break;
default:
result = new ViewportCoordinates(0, 0);
break;
}
}
else
{
switch (p)
{
case SpritePosition.CellMap:
result = new ViewportCoordinates(2, -2);
break;
case SpritePosition.Whole:
result = new ViewportCoordinates(0, 0);
break;
case SpritePosition.Up:
result = new ViewportCoordinates(-1, -1);
break;
case SpritePosition.Right:
result = new ViewportCoordinates(1, -1);
break;
case SpritePosition.Down:
result = new ViewportCoordinates(1, 1);
break;
case SpritePosition.Left:
result = new ViewportCoordinates(-1, 1);
break;
default:
result = new ViewportCoordinates(0, 0);
break;
}
}
}