private void AppendBlockRenderData(BlockDataManager buffer, int x, int y, int z)
{
Coord coord = new Coord(x, y, z);
var color = GetBlockColor(coord);
if (color == 0)
{
return;
}
for (int face = 0; face < 6; ++face)
{
var faceDir = new Coord.Direction1(face);
if (!IsNormalCubeBeside(coord, faceDir))
{
buffer.AppendRenderData(new BlockRenderData
{
pos = Translation + coord.ToVector4(1.0f) + faceDir.coord.ToVector4(0) * 0.5f,
col = GetColorFromInt(color),
dir_u = 0.5f * faceDir.U().coord.ToVector4(0),
dir_v = 0.5f * faceDir.V().coord.ToVector4(0),
aooffset = GetAOOffset(coord, face),
lightness = GetLightnessVec(coord, face),
});
}
}
}
private float GetLightnessForVertex(Coord coord, int face, int index)
{
Coord.Direction2 vertex = new Coord.Direction1(face).UVPN(index);
return(MakeLightnessForVertex(face,
GetLightnessOnFace(coord, face),
GetLightnessOnFace(coord.WithOffset(vertex.Devide(0).coord), face),
GetLightnessOnFace(coord.WithOffset(vertex.Devide(1).coord), face),
GetLightnessOnFace(coord.WithOffset(vertex.coord), face)
));
}
private Vector4 GetAOOffset(Coord coord, int face)
{
Coord.Direction1 dir = new Coord.Direction1(face);
var offsetCoord = coord.WithOffset(dir.coord);
return(AmbientOcculsionTexture.MakeAOOffset(
MakeAOInner(offsetCoord, dir.UVPN(0)),
MakeAOInner(offsetCoord, dir.UVPN(1)),
MakeAOInner(offsetCoord, dir.UVPN(2)),
MakeAOInner(offsetCoord, dir.UVPN(3))));
}
private bool IsNormalCubeBeside(Coord coord, Coord.Direction1 offset)
{
return(AnyBlockAt(coord.WithOffset(offset.coord)));
}
