private RenderGeometryCompression CompressVertexBuffer(VertexBufferDefinition vertexBuffer)
{
Debug.Assert(vertexBuffer.Format == VertexBufferFormat.Rigid);
var compression = new RenderGeometryCompression();
var rigidVertices = new List <RigidVertex>();
using (var stream = new MemoryStream(vertexBuffer.Data.Data))
{
var vertexStream = VertexStreamFactory.Create(DestCache.Version, stream);
for (int i = 0; i < vertexBuffer.Count; i++)
{
var vertex = vertexStream.ReadRigidVertex();
rigidVertices.Add(vertex);
}
}
var positions = rigidVertices.Select(v => v.Position);
var texCoords = rigidVertices.Select(v => v.Texcoord);
if (positions != null && positions.Count() > 0)
{
compression.X.Lower = Math.Min(compression.X.Lower, positions.Min(v => v.I));
compression.Y.Lower = Math.Min(compression.Y.Lower, positions.Min(v => v.J));
compression.Z.Lower = Math.Min(compression.Z.Lower, positions.Min(v => v.K));
compression.X.Upper = Math.Max(compression.X.Upper, positions.Max(v => v.I));
compression.Y.Upper = Math.Max(compression.Y.Upper, positions.Max(v => v.J));
compression.Z.Upper = Math.Max(compression.Z.Upper, positions.Max(v => v.K));
}
if (texCoords != null && texCoords.Count() > 0)
{
compression.U.Lower = Math.Min(compression.U.Lower, texCoords.Min(v => v.I));
compression.V.Lower = Math.Min(compression.V.Lower, texCoords.Min(v => v.J));
compression.U.Upper = Math.Max(compression.U.Upper, texCoords.Max(v => v.I));
compression.V.Upper = Math.Max(compression.V.Upper, texCoords.Max(v => v.J));
}
var compressor = new VertexCompressor(compression);
using (var outStream = new MemoryStream())
{
var outVertexStream = VertexStreamFactory.Create(DestCache.Version, outStream);
foreach (var vertex in rigidVertices)
{
vertex.Position = compressor.CompressPosition(vertex.Position);
vertex.Texcoord = compressor.CompressUv(vertex.Texcoord);
outVertexStream.WriteRigidVertex(vertex);
}
vertexBuffer.Data.Data = outStream.ToArray();
}
return(compression);
}
private static List <BMFVertexLighting> ConvertLightingVertices(VertexBufferDefinition vertexBuffer, CacheVersion version, int vertexCount)
{
var vertices = new List <BMFVertexLighting>();
using (var vertexDataStream = new MemoryStream(vertexBuffer.Data.Data))
{
var vertexStream = VertexStreamFactory.Create(version, vertexDataStream);
for (int j = 0; j < vertexCount; j++)
{
var vertex = new BMFVertexLighting();
switch (vertexBuffer.Format)
{
case VertexBufferFormat.AmbientPrt:
var ambientPrt = vertexStream.ReadAmbientPrtData();
vertex.SHOrder = 0;
vertex.PRTCoefficients[0] = ambientPrt.SHCoefficient;
break;
case VertexBufferFormat.LinearPrt:
var linearPrt = vertexStream.ReadLinearPrtData();
vertex.SHOrder = 1;
vertex.PRTCoefficients[0] = linearPrt.SHCoefficients.I;
vertex.PRTCoefficients[1] = linearPrt.SHCoefficients.J;
vertex.PRTCoefficients[2] = linearPrt.SHCoefficients.K;
vertex.PRTCoefficients[3] = linearPrt.SHCoefficients.W;
break;
case VertexBufferFormat.QuadraticPrt:
var quadPrt = vertexStream.ReadQuadraticPrtData();
vertex.SHOrder = 2;
vertex.PRTCoefficients[0] = quadPrt.SHCoefficients1.I;
vertex.PRTCoefficients[1] = quadPrt.SHCoefficients1.J;
vertex.PRTCoefficients[2] = quadPrt.SHCoefficients1.K;
vertex.PRTCoefficients[3] = quadPrt.SHCoefficients2.I;
vertex.PRTCoefficients[4] = quadPrt.SHCoefficients2.J;
vertex.PRTCoefficients[5] = quadPrt.SHCoefficients2.K;
vertex.PRTCoefficients[6] = quadPrt.SHCoefficients3.I;
vertex.PRTCoefficients[7] = quadPrt.SHCoefficients3.J;
vertex.PRTCoefficients[8] = quadPrt.SHCoefficients3.K;
break;
default:
throw new InvalidOperationException("Unsupported vertex buffer type: " + vertexBuffer.Format);
}
vertices.Add(vertex);
}
return(vertices);
}
}
public static void ConvertVertexBuffer(VertexBufferDefinition buffer, MemoryStream inStream, IVertexStream inVertexStream, MemoryStream outStream, IVertexStream outVertexStream)
{
if (buffer.Data.Size == 0)
{
return;
}
var count = buffer.Count;
var startPos = (int)outStream.Position;
inStream.Position = buffer.Data.Address.Offset;
buffer.Data.Address = new ResourceAddress(ResourceAddressType.Resource, startPos);
switch (buffer.Format)
{
case VertexBufferFormat.World:
ConvertVertices(count, inVertexStream.ReadWorldVertex, v =>
{
v.Binormal = new Vector3(v.Position.W, v.Tangent.W, 0); // Converted shaders use this
outVertexStream.WriteWorldVertex(v);
});
break;
case VertexBufferFormat.Rigid:
ConvertVertices(count, inVertexStream.ReadRigidVertex, v =>
{
v.Binormal = new Vector3(v.Position.W, v.Tangent.W, 0); // Converted shaders use this
outVertexStream.WriteRigidVertex(v);
});
break;
case VertexBufferFormat.Skinned:
ConvertVertices(count, inVertexStream.ReadSkinnedVertex, v =>
{
v.Binormal = new Vector3(v.Position.W, v.Tangent.W, 0); // Converted shaders use this
outVertexStream.WriteSkinnedVertex(v);
});
break;
case VertexBufferFormat.StaticPerPixel:
ConvertVertices(count, inVertexStream.ReadStaticPerPixelData, outVertexStream.WriteStaticPerPixelData);
break;
case VertexBufferFormat.StaticPerVertex:
ConvertVertices(count, inVertexStream.ReadStaticPerVertexData, outVertexStream.WriteStaticPerVertexData);
break;
case VertexBufferFormat.AmbientPrt:
ConvertVertices(count, inVertexStream.ReadAmbientPrtData, outVertexStream.WriteAmbientPrtData);
break;
case VertexBufferFormat.LinearPrt:
ConvertVertices(count, inVertexStream.ReadLinearPrtData, outVertexStream.WriteLinearPrtData);
break;
case VertexBufferFormat.QuadraticPrt:
ConvertVertices(count, inVertexStream.ReadQuadraticPrtData, outVertexStream.WriteQuadraticPrtData);
break;
case VertexBufferFormat.StaticPerVertexColor:
ConvertVertices(count, inVertexStream.ReadStaticPerVertexColorData, outVertexStream.WriteStaticPerVertexColorData);
break;
case VertexBufferFormat.Decorator:
ConvertVertices(count, inVertexStream.ReadDecoratorVertex, outVertexStream.WriteDecoratorVertex);
break;
case VertexBufferFormat.World2:
buffer.Format = VertexBufferFormat.World;
goto default;
default:
// Just copy the raw buffer over and pray that it works...
var bufferData = new byte[buffer.Data.Size];
inStream.Read(bufferData, 0, bufferData.Length);
outStream.Write(bufferData, 0, bufferData.Length);
break;
}
buffer.Data.Size = (int)outStream.Position - startPos;
buffer.VertexSize = (short)(buffer.Data.Size / buffer.Count);
}
private static List <BMFVertex> ConvertGeometryVertices(VertexCompressor vertexCompressor, VertexBufferDefinition vertexBuffer, CacheVersion version, int vertexCount, int rigidNodeIndex)
{
var vertices = new List <BMFVertex>();
using (var vertexDataStream = new MemoryStream(vertexBuffer.Data.Data))
{
var vertexStream = VertexStreamFactory.Create(version, vertexDataStream);
for (int j = 0; j < vertexCount; j++)
{
var vertex = new BMFVertex();
RealVector2d texcoordTemp;
switch (vertexBuffer.Format)
{
case VertexBufferFormat.Rigid:
var rigid = vertexStream.ReadRigidVertex();
vertex.Position = vertexCompressor.DecompressPosition(rigid.Position).IJK;
texcoordTemp = vertexCompressor.DecompressUv(rigid.Texcoord);
vertex.Texcoord = new RealVector3d(texcoordTemp.I, texcoordTemp.J, 0.0f);
vertex.Normal = rigid.Normal;
vertex.Tangent = rigid.Tangent.IJK;
vertex.Binormal = rigid.Binormal;
vertex.Weights[0] = new BMFVertexWeight {
NodeIndex = rigidNodeIndex, Weight = 1.0f
};
for (int i = 1; i < 4; i++)
{
vertex.Weights[i] = new BMFVertexWeight();
}
break;
case VertexBufferFormat.Skinned:
var skinned = vertexStream.ReadSkinnedVertex();
vertex.Position = vertexCompressor.DecompressPosition(skinned.Position).IJK;
texcoordTemp = vertexCompressor.DecompressUv(skinned.Texcoord);
vertex.Texcoord = new RealVector3d(texcoordTemp.I, texcoordTemp.J, 0.0f);
vertex.Normal = skinned.Normal;
vertex.Tangent = skinned.Tangent.IJK;
vertex.Binormal = skinned.Binormal;
for (int i = 0; i < 4; i++)
{
vertex.Weights[i] = new BMFVertexWeight {
NodeIndex = skinned.BlendIndices[i], Weight = skinned.BlendWeights[i]
};
}
break;
default:
throw new InvalidOperationException("Unsupported vertex buffer type: " + vertexBuffer.Format);
}
vertices.Add(vertex);
}
}
return(vertices);
}