public override void draw(SpriteBatch spriteBatch, Vector2 position, float layerDepth, RectangleF cameraClipBounds)
{
// offset it by the entity position since the tilemap will always expect positions in its own coordinate space
cameraClipBounds.location -= position;
var minX = tilemap.worldPositionToTilePositionX(cameraClipBounds.left);
var minY = tilemap.worldPositionToTilePositionY(cameraClipBounds.top);
var maxX = tilemap.worldPositionToTilePositionX(cameraClipBounds.right);
var maxY = tilemap.worldPositionToTilePositionY(cameraClipBounds.bottom);
// loop through and draw all the non-culled tiles
for (var y = minY; y <= maxY; y++)
{
for (var x = minX; x <= maxX; x++)
{
var tile = getTile(x, y);
if (tile == null)
{
continue;
}
var tileRegion = tile.textureRegion;
var tx = tile.x * tilemap.tileWidth + (int)position.X;
var ty = tile.y * tilemap.tileHeight + (int)position.Y;
var rotation = 0f;
var spriteEffects = SpriteEffects.None;
if (tile.flippedHorizonally)
{
spriteEffects |= SpriteEffects.FlipHorizontally;
}
if (tile.flippedVertically)
{
spriteEffects |= SpriteEffects.FlipVertically;
}
if (tile.flippedDiagonally)
{
if (tile.flippedHorizonally && tile.flippedVertically)
{
spriteEffects ^= SpriteEffects.FlipVertically;
rotation = MathHelper.PiOver2;
tx += tilemap.tileWidth;
}
else if (tile.flippedHorizonally)
{
spriteEffects ^= SpriteEffects.FlipVertically;
rotation = -MathHelper.PiOver2;
ty += tilemap.tileHeight;
}
else if (tile.flippedVertically)
{
spriteEffects ^= SpriteEffects.FlipHorizontally;
rotation = MathHelper.PiOver2;
tx += tilemap.tileWidth;
}
else
{
spriteEffects ^= SpriteEffects.FlipHorizontally;
rotation = -MathHelper.PiOver2;
ty += tilemap.tileHeight;
}
}
spriteBatch.Draw(tileRegion.texture2D, new Vector2(tx, ty), tileRegion.sourceRect, color, rotation, Vector2.Zero, 1, spriteEffects, layerDepth);
}
}
}
