public PolyBoard()
{
triangles = new List <int>();
vertices = new List <Vector2>();
drawVertices = new List <Vector2>();
matFrame = new MaterialFrame();
polyMat = PolyMaterial.Default;
polyMat.texCoords = new List <Vector2>();
_sides = 16;
updateVertices = true;
}
/// <summary>
/// Adds a triangles in the given starting index range
/// </summary>
public static void AddTriangleRange(Vector2I range, IReadOnlyList <int> indices, IReadOnlyList <Vector2> vertices, ref PolyMaterial mat, MatrixD[] matrixRef)
{
var bbPool = instance.bbPoolBack;
var bbDataBack = instance.flatTriangleList;
var bbBuf = instance.bbBuf;
var matList = instance.matrixBuf;
var matTable = instance.matrixTable;
// Find matrix index in table or add it
int matrixID;
if (!matTable.TryGetValue(matrixRef, out matrixID))
{
matrixID = matList.Count;
matList.Add(matrixRef[0]);
matTable.Add(matrixRef, matrixID);
}
// Get triangle count, ensure enough billboards are in the pool and add them to the
// render queue before writing QB data to buffer
int iMax = indices.Count,
triangleCount = (range.Y - range.X) / 3,
bbRemaining = bbPool.Count - bbDataBack.Count,
bbToAdd = Math.Max(triangleCount - bbRemaining, 0);
instance.AddNewBB(bbToAdd);
for (int i = bbDataBack.Count; i < triangleCount + bbDataBack.Count; i++)
{
bbBuf.Add(bbPool[i]);
}
MyTransparentGeometry.AddBillboards(bbBuf, false);
bbBuf.Clear();
bbDataBack.EnsureCapacity(bbDataBack.Count + triangleCount);
for (int i = range.X; i <= range.Y; i += 3)
{
var bb = new FlatTriangleBillboardData
{
Item1 = BlendTypeEnum.PostPP,
Item2 = new Vector2I(bbDataBack.Count, matrixID),
Item3 = mat.textureID,
Item4 = new MyTuple <Vector4, BoundingBox2?>(mat.bbColor, null),
Item5 = new MyTuple <Vector2, Vector2, Vector2>
(
mat.texCoords[indices[i % iMax]],
mat.texCoords[indices[(i + 1) % iMax]],
mat.texCoords[indices[(i + 2) % iMax]]
),
Item6 = new MyTuple <Vector2, Vector2, Vector2>
(
vertices[indices[i % iMax]],
vertices[indices[(i + 1) % iMax]],
vertices[indices[(i + 2) % iMax]]
),
};
bbDataBack.Add(bb);
}
}
/// <summary>
/// Renders a polygon from a given set of unique vertex coordinates. Triangles are defined by their
/// indices and the tex coords are parallel to the vertex list.
/// </summary>
public static void AddTriangles(IReadOnlyList <int> indices, IReadOnlyList <Vector3D> vertices, ref PolyMaterial mat, MatrixD[] matrixRef = null)
{
var bbPool = instance.bbPoolBack;
var bbDataBack = instance.triangleList;
var bbBuf = instance.bbBuf;
var matList = instance.matrixBuf;
var matTable = instance.matrixTable;
// Find matrix index in table or add it
int matrixID = -1;
if (matrixRef != null && !matTable.TryGetValue(matrixRef, out matrixID))
{
matrixID = matList.Count;
matList.Add(matrixRef[0]);
matTable.Add(matrixRef, matrixID);
}
int triangleCount = indices.Count / 3,
bbRemaining = bbPool.Count - bbDataBack.Count,
bbToAdd = Math.Max(triangleCount - bbRemaining, 0);
instance.AddNewBB(bbToAdd);
for (int i = bbDataBack.Count; i < triangleCount + bbDataBack.Count; i++)
{
bbBuf.Add(bbPool[i]);
}
MyTransparentGeometry.AddBillboards(bbBuf, false);
bbBuf.Clear();
bbDataBack.EnsureCapacity(bbDataBack.Count + triangleCount);
for (int i = 0; i < indices.Count; i += 3)
{
var bb = new TriangleBillboardData
{
Item1 = BlendTypeEnum.PostPP,
Item2 = new Vector2I(bbDataBack.Count, matrixID),
Item3 = mat.textureID,
Item4 = mat.bbColor,
Item5 = new MyTuple <Vector2, Vector2, Vector2>
(
mat.texCoords[indices[i]],
mat.texCoords[indices[i + 1]],
mat.texCoords[indices[i + 2]]
),
Item6 = new MyTuple <Vector3D, Vector3D, Vector3D>
(
vertices[indices[i]],
vertices[indices[i + 1]],
vertices[indices[i + 2]]
),
};
bbDataBack.Add(bb);
}
}
