private static void PushQuadAO(CUBE_FACES face, int x, int y, int z, int c1, int c2, int c3, int c4, Color color, List <VertexPositionColor> CurrentArray)
{
// Calculate AO in all corners and decide if inverted or not.
float a00 = AOLookUp(face, x, y, z, c1);
float a10 = AOLookUp(face, x, y, z, c2);
float a11 = AOLookUp(face, x, y, z, c3);
float a01 = AOLookUp(face, x, y, z, c4);
if (a00 + a11 < a01 + a10)
{
PushTriangleAO(x, y, z, c1, c2, c3, color, a00, a10, a11, CurrentArray);
PushTriangleAO(x, y, z, c1, c3, c4, color, a00, a11, a01, CurrentArray);
}
else
{
PushTriangleAO(x, y, z, c1, c2, c4, color, a00, a10, a01, CurrentArray);
PushTriangleAO(x, y, z, c2, c3, c4, color, a10, a11, a01, CurrentArray);
}
}
private static float AOLookUp(CUBE_FACES face, int x, int y, int z, int vertex)
{
int corner = 0, side1 = 0, side2 = 0;
if (face != CUBE_FACES.Top && face != CUBE_FACES.Bottom)
{
if (vertex == 0)
{
side1 = back ? 0 : 1;
side2 = left ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 1)
{
side1 = right ? 0 : 1;
side2 = back ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 2)
{
side1 = front ? 0 : 1;
side2 = right ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 3)
{
side1 = left ? 0 : 1;
side2 = front ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 4)
{
side1 = back ? 0 : 1;
side2 = left ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 5)
{
side1 = right ? 0 : 1;
side2 = back ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 6)
{
side1 = front ? 0 : 1;
side2 = right ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 7)
{
side1 = left ? 0 : 1;
side2 = front ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y, z + 1) == Blocks.Air ? 0 : 1;
}
}
}
else
{
if (vertex == 4)
{
side1 = ChunkManager.GetBlock(x, y + 1, z - 1) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x - 1, y + 1, z) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y + 1, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 5)
{
side1 = ChunkManager.GetBlock(x + 1, y + 1, z) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x, y + 1, z - 1) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y + 1, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 6)
{
side1 = ChunkManager.GetBlock(x, y + 1, z + 1) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x + 1, y + 1, z) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y + 1, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 7)
{
side1 = ChunkManager.GetBlock(x - 1, y + 1, z) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x, y + 1, z + 1) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y + 1, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 0)
{
side1 = ChunkManager.GetBlock(x, y - 1, z - 1) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x - 1, y - 1, z) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y - 1, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 1)
{
side1 = ChunkManager.GetBlock(x + 1, y - 1, z) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x, y - 1, z - 1) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y - 1, z - 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 2)
{
side1 = ChunkManager.GetBlock(x, y - 1, z + 1) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x + 1, y - 1, z) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x + 1, y - 1, z + 1) == Blocks.Air ? 0 : 1;
}
}
if (vertex == 3)
{
side1 = ChunkManager.GetBlock(x - 1, y - 1, z) == Blocks.Air ? 0 : 1;
side2 = ChunkManager.GetBlock(x, y - 1, z + 1) == Blocks.Air ? 0 : 1;
if (side1 == 0 || side2 == 0)
{
corner = ChunkManager.GetBlock(x - 1, y - 1, z + 1) == Blocks.Air ? 0 : 1;
}
}
}
return(VertexAO(side1, side2, corner));;
}
