public VertexProcessor(SoftwareVertex vertex, Vector4[] colors, Vector3[] normals, Vector2[] uvs, HardwareMeshProcessor mesh)
{
Positions = new Vector3[mesh.positions.Count];
for (int i = 0; i != Positions.Length; ++i)
{
Positions[i] = mesh.positions[i][vertex.Index];
}
Colors = colors;
Normals = normals;
UVs = uvs;
mesh.Verticies.AddLast(this);
}
public TriangleProcessor(SoftwareTriangle triangle, HardwareMeshProcessor mesh, bool loadColors, bool loadUVs, bool loadNormals)
{
// get color components
var colors = new Vector4[3][];
if (loadColors)
{
int componentCount = mesh.colorComponents.Count;
for (int i = 0; i != colors.Length; ++i)
{
colors[i] = new Vector4[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var colorComponent = mesh.colorComponents[i][triangle.Index].Colors;
colors[0][i] = colorComponent[0];
colors[1][i] = colorComponent[1];
colors[2][i] = colorComponent[2];
}
}
// get normal components
var normals = new Vector3[3][];
if (loadNormals)
{
int componentCount = mesh.normalComponents.Count;
for (int i = 0; i != normals.Length; ++i)
{
normals[i] = new Vector3[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var normalComponent = mesh.normalComponents[i][triangle.Index].Normals;
normals[0][i] = normalComponent[0];
normals[1][i] = normalComponent[1];
normals[2][i] = normalComponent[2];
}
}
// get uv components
var uvs = new Vector2[3][];
if (loadUVs)
{
int componentCount = mesh.uvComponents.Count;
for (int i = 0; i != uvs.Length; ++i)
{
uvs[i] = new Vector2[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var normalComponent = mesh.uvComponents[i][triangle.Index].UVs;
uvs[0][i] = normalComponent[0];
uvs[1][i] = normalComponent[1];
uvs[2][i] = normalComponent[2];
}
}
// add verticies
var vertex1 = new VertexProcessor(triangle.Verticies[0], colors[0], normals[0], uvs[0], mesh);
var vertex2 = new VertexProcessor(triangle.Verticies[1], colors[1], normals[1], uvs[1], mesh);
var vertex3 = new VertexProcessor(triangle.Verticies[2], colors[2], normals[2], uvs[2], mesh);
Verticies = new VertexProcessor[3] {vertex1, vertex2, vertex3};
mesh.Triangles.Add(this);
}
private static void initData(SoftwareMesh softwareMesh, bool loadColors, bool loadUVs, bool loadNormals, out List<BufferLayoutElement> elements, out float[] vertices, out int[] indices)
{
// get position float size
int posFloatCount = 0;
var posElementType = BufferLayoutElementTypes.Vector3;
switch (softwareMesh.Dimensions)
{
case 2:
posElementType = BufferLayoutElementTypes.Vector2;
posFloatCount = 2;
break;
case 3:
posElementType = BufferLayoutElementTypes.Vector3;
posFloatCount = 3;
break;
}
// get vertex float size and create layout
elements = new List<BufferLayoutElement>();
int vertFloatCount = 0, posCount = 0, colorCount = 0, normalCount = 0, uvCount = 0;
foreach (var key in softwareMesh.VertexComponentKeys)
{
switch (key.Key)
{
case VertexComponentKeyTypes.Positions:
elements.Add(new BufferLayoutElement(posElementType, BufferLayoutElementUsages.Position, 0, posCount, vertFloatCount));
vertFloatCount += posFloatCount;
++posCount;
break;
}
}
foreach (var key in softwareMesh.TriangleComponentKeys)
{
switch (key.Key)
{
case TriangleComponentKeyTypes.ColorComponents:
if (loadColors)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector4, BufferLayoutElementUsages.Color, 0, colorCount, vertFloatCount));
vertFloatCount += 4;
++colorCount;
}
break;
case TriangleComponentKeyTypes.NormalComponents:
if (loadNormals)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector3, BufferLayoutElementUsages.Normal, 0, normalCount, vertFloatCount));
vertFloatCount += 3;
++normalCount;
}
break;
case TriangleComponentKeyTypes.UVComponents:
if (loadUVs)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector2, BufferLayoutElementUsages.UV, 0, uvCount, vertFloatCount));
vertFloatCount += 2;
++uvCount;
}
break;
}
}
// create vertex buffer
var meshProcessor = new HardwareMeshProcessor(softwareMesh, loadColors, loadUVs, loadNormals);
vertices = new float[meshProcessor.Verticies.Count * vertFloatCount];
int vi = 0;
foreach (var vertex in meshProcessor.Verticies)
{
int posIndex = 0, colorIndex = 0, normIndex = 0, uvIndex = 0;
foreach (var element in elements)
{
switch (element.Usage)
{
case BufferLayoutElementUsages.Position:
vertices[vi] = vertex.Positions[posIndex].X;
vertices[vi+1] = vertex.Positions[posIndex].Y;
if (posFloatCount == 3) vertices[vi+2] = vertex.Positions[posIndex].Z;
vi += posFloatCount;
++posIndex;
break;
case BufferLayoutElementUsages.Color:
if (loadColors)
{
vertices[vi] = vertex.Colors[uvIndex].X;
vertices[vi+1] = vertex.Colors[uvIndex].Y;
vi += 4;
++colorIndex;
}
break;
case BufferLayoutElementUsages.Normal:
if (loadNormals)
{
vertices[vi] = vertex.Normals[normIndex].X;
vertices[vi+1] = vertex.Normals[normIndex].Y;
vertices[vi+2] = vertex.Normals[normIndex].Z;
vi += 3;
++normIndex;
}
break;
case BufferLayoutElementUsages.UV:
if (loadUVs)
{
vertices[vi] = vertex.UVs[uvIndex].X;
vertices[vi+1] = vertex.UVs[uvIndex].Y;
vi += 2;
++uvIndex;
}
break;
}
}
}
// create index buffer
indices = new int[meshProcessor.Triangles.Count * 3];
int ti = 0;
foreach (var triangle in meshProcessor.Triangles)
{
indices[ti] = triangle.Verticies[0].Index;
indices[ti+1] = triangle.Verticies[1].Index;
indices[ti+2] = triangle.Verticies[2].Index;
ti += 3;
}
}
private static void initData(SoftwareMesh softwareMesh, bool loadColors, bool loadUVs, bool loadNormals, out List <BufferLayoutElement> elements, out float[] vertices, out int[] indices)
{
// get position float size
int posFloatCount = 0;
var posElementType = BufferLayoutElementTypes.Vector3;
switch (softwareMesh.Dimensions)
{
case 2:
posElementType = BufferLayoutElementTypes.Vector2;
posFloatCount = 2;
break;
case 3:
posElementType = BufferLayoutElementTypes.Vector3;
posFloatCount = 3;
break;
}
// get vertex float size and create layout
elements = new List <BufferLayoutElement>();
int vertFloatCount = 0, posCount = 0, colorCount = 0, normalCount = 0, uvCount = 0;
foreach (var key in softwareMesh.VertexComponentKeys)
{
switch (key.Key)
{
case VertexComponentKeyTypes.Positions:
elements.Add(new BufferLayoutElement(posElementType, BufferLayoutElementUsages.Position, 0, posCount, vertFloatCount));
vertFloatCount += posFloatCount;
++posCount;
break;
}
}
foreach (var key in softwareMesh.TriangleComponentKeys)
{
switch (key.Key)
{
case TriangleComponentKeyTypes.ColorComponents:
if (loadColors)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector4, BufferLayoutElementUsages.Color, 0, colorCount, vertFloatCount));
vertFloatCount += 4;
++colorCount;
}
break;
case TriangleComponentKeyTypes.NormalComponents:
if (loadNormals)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector3, BufferLayoutElementUsages.Normal, 0, normalCount, vertFloatCount));
vertFloatCount += 3;
++normalCount;
}
break;
case TriangleComponentKeyTypes.UVComponents:
if (loadUVs)
{
elements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Vector2, BufferLayoutElementUsages.UV, 0, uvCount, vertFloatCount));
vertFloatCount += 2;
++uvCount;
}
break;
}
}
// create vertex buffer
var meshProcessor = new HardwareMeshProcessor(softwareMesh, loadColors, loadUVs, loadNormals);
vertices = new float[meshProcessor.Verticies.Count * vertFloatCount];
int vi = 0;
foreach (var vertex in meshProcessor.Verticies)
{
int posIndex = 0, colorIndex = 0, normIndex = 0, uvIndex = 0;
foreach (var element in elements)
{
switch (element.Usage)
{
case BufferLayoutElementUsages.Position:
vertices[vi] = vertex.Positions[posIndex].X;
vertices[vi + 1] = vertex.Positions[posIndex].Y;
if (posFloatCount == 3)
{
vertices[vi + 2] = vertex.Positions[posIndex].Z;
}
vi += posFloatCount;
++posIndex;
break;
case BufferLayoutElementUsages.Color:
if (loadColors)
{
vertices[vi] = vertex.Colors[uvIndex].X;
vertices[vi + 1] = vertex.Colors[uvIndex].Y;
vi += 4;
++colorIndex;
}
break;
case BufferLayoutElementUsages.Normal:
if (loadNormals)
{
vertices[vi] = vertex.Normals[normIndex].X;
vertices[vi + 1] = vertex.Normals[normIndex].Y;
vertices[vi + 2] = vertex.Normals[normIndex].Z;
vi += 3;
++normIndex;
}
break;
case BufferLayoutElementUsages.UV:
if (loadUVs)
{
vertices[vi] = vertex.UVs[uvIndex].X;
vertices[vi + 1] = vertex.UVs[uvIndex].Y;
vi += 2;
++uvIndex;
}
break;
}
}
}
// create index buffer
indices = new int[meshProcessor.Triangles.Count * 3];
int ti = 0;
foreach (var triangle in meshProcessor.Triangles)
{
indices[ti] = triangle.Verticies[0].Index;
indices[ti + 1] = triangle.Verticies[1].Index;
indices[ti + 2] = triangle.Verticies[2].Index;
ti += 3;
}
}
public TriangleProcessor(SoftwareTriangle triangle, HardwareMeshProcessor mesh, bool loadColors, bool loadUVs, bool loadNormals)
{
// get color components
var colors = new Vector4[3][];
if (loadColors)
{
int componentCount = mesh.colorComponents.Count;
for (int i = 0; i != colors.Length; ++i)
{
colors[i] = new Vector4[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var colorComponent = mesh.colorComponents[i][triangle.Index].Colors;
colors[0][i] = colorComponent[0];
colors[1][i] = colorComponent[1];
colors[2][i] = colorComponent[2];
}
}
// get normal components
var normals = new Vector3[3][];
if (loadNormals)
{
int componentCount = mesh.normalComponents.Count;
for (int i = 0; i != normals.Length; ++i)
{
normals[i] = new Vector3[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var normalComponent = mesh.normalComponents[i][triangle.Index].Normals;
normals[0][i] = normalComponent[0];
normals[1][i] = normalComponent[1];
normals[2][i] = normalComponent[2];
}
}
// get uv components
var uvs = new Vector2[3][];
if (loadUVs)
{
int componentCount = mesh.uvComponents.Count;
for (int i = 0; i != uvs.Length; ++i)
{
uvs[i] = new Vector2[componentCount];
}
for (int i = 0; i != componentCount; ++i)
{
var normalComponent = mesh.uvComponents[i][triangle.Index].UVs;
uvs[0][i] = normalComponent[0];
uvs[1][i] = normalComponent[1];
uvs[2][i] = normalComponent[2];
}
}
// add verticies
var vertex1 = new VertexProcessor(triangle.Verticies[0], colors[0], normals[0], uvs[0], mesh);
var vertex2 = new VertexProcessor(triangle.Verticies[1], colors[1], normals[1], uvs[1], mesh);
var vertex3 = new VertexProcessor(triangle.Verticies[2], colors[2], normals[2], uvs[2], mesh);
Verticies = new VertexProcessor[3] {
vertex1, vertex2, vertex3
};
mesh.Triangles.Add(this);
}
public VertexProcessor(SoftwareVertex vertex, Vector4[] colors, Vector3[] normals, Vector2[] uvs, HardwareMeshProcessor mesh)
{
Positions = new Vector3[mesh.positions.Count];
for (int i = 0; i != Positions.Length; ++i)
{
Positions[i] = mesh.positions[i][vertex.Index];
}
Colors = colors;
Normals = normals;
UVs = uvs;
mesh.Verticies.AddLast(this);
}