/// <summary>
/// Adds face data to an internal list.
/// </summary>
/// <param name="list">The list of face data.</param>
/// <param name="center">The center of the current block.</param>
/// <param name="face">The current block face.</param>
/// <param name="type">The current block type.</param>
/// <param name="lighting">The face's lighting information.</param>
public void AddFaceData(Vector3 center, BlockFace face, BlockType type, BlockFaceLighting lighting)
{
// set texture coordinate info
var texSize = SpriteSheet.Instance.TexCoordSize;
var typeInfo = BlockTypeInfo.Find(type);
switch (face)
{
case BlockFace.Back:
case BlockFace.Front:
case BlockFace.Left:
case BlockFace.Right:
_tcTL = typeInfo.SideTextureCoordinate;
break;
case BlockFace.Bottom:
_tcTL = typeInfo.BottomTextureCoordinate;
break;
case BlockFace.Top:
_tcTL = typeInfo.TopTextureCoordinate;
break;
}
_tcTR.X = _tcTL.X + texSize.X;
_tcTR.Y = _tcTL.Y;
_tcBL.X = _tcTL.X;
_tcBL.Y = _tcTL.Y + texSize.Y;
_tcBR.X = _tcTL.X + texSize.X;
_tcBR.Y = _tcTL.Y + texSize.Y;
// now add to the vertex list
switch (face)
{
case BlockFace.Front:
_vertices.Add(new BlockVertex(center + _vTLF, Vector3.Forward, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBLF, Vector3.Forward, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vTRF, Vector3.Forward, _tcTR, lighting.UpperRight));
_vertices.Add(new BlockVertex(center + _vBLF, Vector3.Forward, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vBRF, Vector3.Forward, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vTRF, Vector3.Forward, _tcTR, lighting.UpperRight));
break;
case BlockFace.Back:
_vertices.Add(new BlockVertex(center + _vTLB, Vector3.Backward, _tcTR, lighting.UpperRight));
_vertices.Add(new BlockVertex(center + _vTRB, Vector3.Backward, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBLB, Vector3.Backward, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vBLB, Vector3.Backward, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vTRB, Vector3.Backward, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBRB, Vector3.Backward, _tcBL, lighting.LowerLeft));
break;
case BlockFace.Top:
_vertices.Add(new BlockVertex(center + _vTLF, Vector3.Up, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vTRB, Vector3.Up, _tcTR, lighting.UpperRight));
_vertices.Add(new BlockVertex(center + _vTLB, Vector3.Up, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vTLF, Vector3.Up, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vTRF, Vector3.Up, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vTRB, Vector3.Up, _tcTR, lighting.UpperRight));
break;
case BlockFace.Bottom:
_vertices.Add(new BlockVertex(center + _vBLF, Vector3.Down, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBLB, Vector3.Down, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vBRB, Vector3.Down, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vBLF, Vector3.Down, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBRB, Vector3.Down, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vBRF, Vector3.Down, _tcTR, lighting.UpperRight));
break;
case BlockFace.Left:
_vertices.Add(new BlockVertex(center + _vTLF, Vector3.Left, _tcTR, lighting.UpperRight));
_vertices.Add(new BlockVertex(center + _vBLB, Vector3.Left, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vBLF, Vector3.Left, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vTLB, Vector3.Left, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBLB, Vector3.Left, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vTLF, Vector3.Left, _tcTR, lighting.UpperRight));
break;
case BlockFace.Right:
_vertices.Add(new BlockVertex(center + _vTRF, Vector3.Right, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBRF, Vector3.Right, _tcBL, lighting.LowerLeft));
_vertices.Add(new BlockVertex(center + _vBRB, Vector3.Right, _tcBR, lighting.LowerRight));
_vertices.Add(new BlockVertex(center + _vTRB, Vector3.Right, _tcTR, lighting.UpperRight));
_vertices.Add(new BlockVertex(center + _vTRF, Vector3.Right, _tcTL, lighting.UpperLeft));
_vertices.Add(new BlockVertex(center + _vBRB, Vector3.Right, _tcBR, lighting.LowerRight));
break;
}
}
/// <summary>
/// Finds terrain density information for the given block type.
/// </summary>
/// <param name="blockType">The block type.</param>
/// <returns></returns>
public static TerrainDensity Find(BlockType blockType)
{
return(new TerrainDensity(BlockTypeInfo.Find(blockType)));
}