private void DrawChunk(Chunk chunk)
{
if (chunk == null)
{
return;
}
Tile firstTile = chunk.GetTile(0, 0);
bool isRandom = false;
for (int i = 0; i < Chunk.Size * Chunk.Size; i++)
{
Tile tile = chunk.GetTile(i);
if (firstTile.ID != tile.ID)
{
isRandom = true;
break;
}
}
if (!isRandom)
{
if (TryGetTileRegion(firstTile, out var region))
{
int x = chunk.Position.TileX;
int y = chunk.Position.TileY;
_spriteBatch.Draw(region, new RectangleF(x * 8, y * 8, 8 * Chunk.Size, 8 * Chunk.Size), Color.White);
}
return;
}
// draw chunk
for (int y = 0; y < Chunk.Size; y++)
{
for (int x = 0; x < Chunk.Size; x++)
{
if (!chunk.TryGetTile(x, y, out Tile tile))
{
continue;
}
if (!TryGetTileRegion(tile, out TextureRegion2D region))
{
continue;
}
int xx = x + chunk.Position.TileX;
int yy = y + chunk.Position.TileY;
var dst = new RectangleF(xx * 8, yy * 8, 8, 8);
float flipNoise = _noise.CalcPixel2D(xx, yy, 1f);
SpriteEffects flip = SpriteEffects.None;
if (flipNoise > 85)
{
flip = flipNoise > 170 ? SpriteEffects.FlipVertically : SpriteEffects.FlipHorizontally;
}
_spriteBatch.Draw(
region.Texture, dst, region.Bounds, Color.White, 0, Vector2.Zero, flip, 0);
}
}
}