public void Draw(SpriteBatch spriteBatch, RenderLayers layer)
{
// padding area of 5 for draws
Rectangle area = GetScreenArea(5);
for (int x = area.Left; x <= area.Right; x++)
{
for (int y = area.Top; y <= area.Bottom; y++)
{
CoverData data = GetData(x, y);
// don't do anything
if (data.Orientation == 0)
{
continue;
}
if (_coveringTypes[data.Type].Layer != layer)
{
continue;
}
_coveringTypes[data.Type].Draw(spriteBatch, x, y, data.Variation, data.Orientation);
}
}
}
public void Update(GameTime gameTime)
{
// update array if necessary
if (Main.tile.GetLength(0) != _dataWidth || Main.tile.GetLength(1) != _dataHeight)
{
UpdateChunksArray();
}
// padding area of 20 for updates
Rectangle area = GetScreenArea(20);
for (int x = area.Left; x <= area.Right; x++)
{
for (int y = area.Top; y <= area.Bottom; y++)
{
CoverData data = GetData(x, y);
// don't do anything
if (data.Orientation == 0)
{
continue;
}
var type = _coveringTypes[data.Type];
if (!type.IsValidAt(x, y))
{
RemoveAt(x, y);
continue;
}
type.Update(gameTime, x, y, data.Variation, data.Orientation);
}
}
}
public override void Update(GameTime gameTime, int x, int y, int variation, int orientation)
{
// try move upwards
Tile above = Framing.GetTileSafely(x, y - 1);
if (above != null && above.liquid > 0)
{
CoverData data = CoveringsManager.GetData(x, y);
CoveringsManager.RemoveAt(x, y);
CoveringsManager.SetData(x, y - 1, data);
// update that tile
Update(gameTime, x, y - 1, variation, orientation);
return; // return quick
}
// try move downwards if our current tile is empty
Tile tile = Framing.GetTileSafely(x, y);
if (tile.liquid == 0)
{
CoverData data = CoveringsManager.GetData(x, y);
// because IsValidAt(x,y) returned true, we know the tile below has liquid in it
// so just move this covering to that tile
CoveringsManager.RemoveAt(x, y);
CoveringsManager.SetData(x, y + 1, data);
// update that tile
Update(gameTime, x, y + 1, variation, orientation);
return; // return quick
}
base.Update(gameTime, x, y, variation, orientation);
}
public void SetData(int x, int y, CoverData data)
{
if (!_coveringTypes[data.Type].IsValidAt(x, y))
{
return;
}
ValidateExists(x, y);
GetChunkAt(x, y).SetData(GetPositionInChunk(x, y), data);
}
