public byte GetFace(Direction direction)
{
switch (InternalType)
{
case BlockType.Grass: return new byte[] { 1, 1, 0, 3, 1, 1 }[direction.Value];
case BlockType.Stone: return 2;
case BlockType.Dirt: return 3;
case BlockType.Water: return 4;
case BlockType.Sand: return 5;
case BlockType.Leaves: return 6;
case BlockType.Lava: return 7;
case BlockType.Log: return new byte[] { 8, 8, 9, 9, 8, 8 }[direction.Value];
default: return 0;
}
}
public static byte GetFaceShade(BlockIndex index, Direction direction)
{
if (Constants.Graphics.AmbientOcclusionEnabled)
{
double maxDist = 6;
double dist = 0;
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() + direction.GetPerpendicularRight(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() - direction.GetPerpendicularRight(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() + direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() - direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() + direction.GetPerpendicularRight() + direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() + direction.GetPerpendicularRight() - direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() - direction.GetPerpendicularRight() + direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist += Lighting.GetRayIntersectDistance(maxDist, direction.GetVector3() - direction.GetPerpendicularRight() - direction.GetPerpendicularLeft(), (index.Position + new Vector3d(0.5, 0.5, 0.5)) + direction.GetVector3() * 0.6);
dist /= 9;
byte baseShade = (byte)Math.Ceiling(Math.Sqrt(Math.Pow(maxDist, 2)*3));
baseShade -= (byte)(dist / 21 * 10);
return baseShade;
}
else
{
return 0;
}
}
