public static void WriteMeshData(Stream stream, Pmo pmo)
{
bool hasSwappedToSecondModel = false;
// Write Mesh Data.
for (int j = 0; j < pmo.Meshes.Count; j++)
{
if (!hasSwappedToSecondModel && pmo.Meshes[j].MeshNumber == 1 && pmo.header.MeshOffset0 != 0)
{
hasSwappedToSecondModel = true;
for (uint b = 0; b < 0xC; b++)
{
stream.Write((byte)0x00);
}
for (uint b = 0; stream.Position % 0x10 != 0; b++)
{
stream.Write((byte)0x00);
}
}
MeshChunks chunk = pmo.Meshes[j];
Mapping.WriteObject <Pmo.MeshSection>(stream, chunk.SectionInfo);
if (chunk.SectionInfo_opt1 != null)
{
Mapping.WriteObject <Pmo.MeshSectionOptional1>(stream, chunk.SectionInfo_opt1);
}
if (chunk.SectionInfo_opt2 != null)
{
Mapping.WriteObject <Pmo.MeshSectionOptional2>(stream, chunk.SectionInfo_opt2);
}
if (chunk.TriangleStripValues.Length > 0)
{
for (int z = 0; z < chunk.TriangleStripValues.Length; z++)
{
stream.Write((ushort)chunk.TriangleStripValues[z]);
}
}
for (int k = 0; k < pmo.Meshes[j].SectionInfo.VertexCount; k++)
{
long vertexStartPos = stream.Position;
int vertexIncreaseAmount = 0;
VertexFlags flags = Pmo.GetFlags(chunk.SectionInfo);
// Write Joints.
if (flags.WeightFormat != CoordinateFormat.NO_VERTEX)
{
for (int w = 0; w < flags.SkinningWeightsCount + 1; w++)
{
int currentIndex = w + (k * (flags.SkinningWeightsCount + 1));
switch (flags.WeightFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
stream.Write((byte)(chunk.jointWeights[k].weights[currentIndex] * 127.0f));
break;
case CoordinateFormat.NORMALIZED_16_BITS:
stream.Write((byte)(chunk.jointWeights[k].weights[currentIndex] * 32767.0f));
break;
case CoordinateFormat.FLOAT_32_BITS:
StreamExtensions.Write(stream, chunk.jointWeights[k].weights[currentIndex]);
break;
}
}
}
// Write Texture Coords.
switch (flags.TextureCoordinateFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
stream.Write((byte)(chunk.textureCoordinates[k].X * 128.0f));
stream.Write((byte)(chunk.textureCoordinates[k].Y * 128.0f));
break;
case CoordinateFormat.NORMALIZED_16_BITS:
vertexIncreaseAmount = ((0x2 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x1)) & 0x1);
for (int a = 0; a < vertexIncreaseAmount; a++)
{
stream.Write((byte)0xAB);
}
stream.Write((ushort)(chunk.textureCoordinates[k].X * 32768.0f));
stream.Write((ushort)(chunk.textureCoordinates[k].Y * 32768.0f));
break;
case CoordinateFormat.FLOAT_32_BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
for (int a = 0; a < vertexIncreaseAmount; a++)
{
stream.Write((byte)0xAB);
}
StreamExtensions.Write(stream, chunk.textureCoordinates[k].X);
StreamExtensions.Write(stream, chunk.textureCoordinates[k].Y);
break;
}
// Write colors.
switch (flags.ColorFormat)
{
case Pmo.ColorFormat.NO_COLOR:
break;
case Pmo.ColorFormat.BGR_5650_16BITS:
break;
case Pmo.ColorFormat.ABGR_5551_16BITS:
break;
case Pmo.ColorFormat.ABGR_4444_16BITS:
break;
case Pmo.ColorFormat.ABGR_8888_32BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
for (int a = 0; a < vertexIncreaseAmount; a++)
{
stream.Write((byte)0xAB);
}
stream.Write((byte)(chunk.colors[k].X));
stream.Write((byte)(chunk.colors[k].Y));
stream.Write((byte)(chunk.colors[k].Z));
stream.Write((byte)(chunk.colors[k].W));
break;
}
// Write vertices.
switch (flags.PositionFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
StreamExtensions.Write(stream, (sbyte)(chunk.vertices[k].X * 128.0f));
StreamExtensions.Write(stream, (sbyte)(chunk.vertices[k].Y * 128.0f));
StreamExtensions.Write(stream, (sbyte)(chunk.vertices[k].Z * 128.0f));
break;
case CoordinateFormat.NORMALIZED_16_BITS:
vertexIncreaseAmount = ((0x2 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x1)) & 0x1);
for (int a = 0; a < vertexIncreaseAmount; a++)
{
stream.Write((byte)0xAB);
}
StreamExtensions.Write(stream, (short)(chunk.vertices[k].X * 32768.0f));
StreamExtensions.Write(stream, (short)(chunk.vertices[k].Y * 32768.0f));
StreamExtensions.Write(stream, (short)(chunk.vertices[k].Z * 32768.0f));
break;
case CoordinateFormat.FLOAT_32_BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
for (int a = 0; a < vertexIncreaseAmount; a++)
{
stream.Write((byte)0xAB);
}
StreamExtensions.Write(stream, chunk.vertices[k].X);
StreamExtensions.Write(stream, chunk.vertices[k].Y);
StreamExtensions.Write(stream, chunk.vertices[k].Z);
break;
}
int padding = ((int)vertexStartPos + chunk.SectionInfo.VertexSize) - (int)stream.Position;
for (int p = 0; p < padding; p++)
{
stream.Write((byte)0xAB);
}
}
// Remainder.
uint remainder = (uint)stream.Position % 4;
for (int p = 0; p < remainder; p++)
{
stream.Write((byte)0x00);
}
if (j == (pmo.Meshes.Count - 1))
{
for (uint b = 0; b < 0xC; b++)
{
try
{
stream.Write((byte)0x00);
}
catch (Exception ex)
{
ex.ToString();
}
}
int pd = (int)stream.Position % 0x10;
for (int n = 0; pd != 0; n++)
{
try
{
stream.Write((byte)0x00);
}
catch (Exception ex)
{
ex.ToString();
}
pd = (int)stream.Position % 0x10;
}
}
}
}
public static void ReadMeshData(Stream stream, Pmo pmo, int MeshNumber = 0)
{
// Go to mesh position.
if (MeshNumber == 0)
{
stream.Seek(pmo.PMO_StartPosition + pmo.header.MeshOffset0, SeekOrigin.Begin);
}
else
{
stream.Seek(pmo.PMO_StartPosition + pmo.header.MeshOffset1, SeekOrigin.Begin);
}
UInt16 VertCnt = 0xFFFF;
while (VertCnt > 0)
{
MeshChunks meshChunk = new MeshChunks();
meshChunk.MeshNumber = MeshNumber;
meshChunk.SectionInfo = Mapping.ReadObject <MeshSection>(stream);
// Exit if Vertex Count is zero.
if (meshChunk.SectionInfo.VertexCount <= 0)
{
break;
}
meshChunk.TextureID = meshChunk.SectionInfo.TextureID;
VertexFlags flags = GetFlags(meshChunk.SectionInfo);
bool isColorFlagRisen = flags.UniformDiffuseFlag;
if (pmo.header.SkeletonOffset != 0)
{
meshChunk.SectionInfo_opt1 = Mapping.ReadObject <MeshSectionOptional1>(stream);
}
if (isColorFlagRisen)
{
meshChunk.SectionInfo_opt2 = Mapping.ReadObject <MeshSectionOptional2>(stream);
}
if (meshChunk.SectionInfo.TriangleStripCount > 0)
{
meshChunk.TriangleStripValues = new UInt16[meshChunk.SectionInfo.TriangleStripCount];
for (int i = 0; i < meshChunk.SectionInfo.TriangleStripCount; i++)
{
meshChunk.TriangleStripValues[i] = stream.ReadUInt16();
}
}
// Get Formats.
CoordinateFormat TexCoordFormat = flags.TextureCoordinateFormat;
CoordinateFormat VertexPositionFormat = flags.PositionFormat;
CoordinateFormat WeightFormat = flags.WeightFormat;
ColorFormat ColorFormat = flags.ColorFormat;
UInt32 SkinningWeightsCount = flags.SkinningWeightsCount;
BinaryReader r = new BinaryReader(stream);
long positionAfterHeader = stream.Position;
if (meshChunk.SectionInfo.TriangleStripCount > 0)
{
int vertInd = 0;
for (int p = 0; p < meshChunk.SectionInfo.TriangleStripCount; p++)
{
for (int s = 0; s < (meshChunk.TriangleStripValues[p] - 2); s++)
{
if (s % 2 == 0)
{
meshChunk.Indices.Add(vertInd + s + 0);
meshChunk.Indices.Add(vertInd + s + 1);
meshChunk.Indices.Add(vertInd + s + 2);
}
else
{
meshChunk.Indices.Add(vertInd + s + 0);
meshChunk.Indices.Add(vertInd + s + 2);
meshChunk.Indices.Add(vertInd + s + 1);
}
}
vertInd += meshChunk.TriangleStripValues[p];
}
}
else
{
if (flags.Primitive == PrimitiveType.PRIMITIVE_TRIANGLE_STRIP)
{
for (int s = 0; s < (meshChunk.SectionInfo.VertexCount - 2); s++)
{
if (s % 2 == 0)
{
meshChunk.Indices.Add(s + 0);
meshChunk.Indices.Add(s + 1);
meshChunk.Indices.Add(s + 2);
}
else
{
meshChunk.Indices.Add(s + 1);
meshChunk.Indices.Add(s + 0);
meshChunk.Indices.Add(s + 2);
}
}
}
}
for (int v = 0; v < meshChunk.SectionInfo.VertexCount; v++)
{
long vertexStartPos = stream.Position;
int vertexIncreaseAmount = 0;
// Vertex Weights.
if (pmo.header.SkeletonOffset != 0 && WeightFormat != CoordinateFormat.NO_VERTEX)
{
WeightData WeightList = new WeightData();
WeightList.weights = new List <float>();
WeightList.coordFormart = WeightFormat;
for (int i = 0; i < (SkinningWeightsCount + 1); i++)
{
switch (WeightFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
WeightList.weights.Add(stream.ReadByte() / 128.0f);
break;
case CoordinateFormat.NORMALIZED_16_BITS:
WeightList.weights.Add(stream.ReadUInt16() / 32768.0f);
break;
case CoordinateFormat.FLOAT_32_BITS:
WeightList.weights.Add(stream.ReadFloat());
break;
case CoordinateFormat.NO_VERTEX:
break;
}
}
meshChunk.jointWeights.Add(WeightList);
}
Vector2 currentTexCoord = new Vector2(0, 0);
switch (TexCoordFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
currentTexCoord.X = stream.ReadByte() / 128.0f;
currentTexCoord.Y = stream.ReadByte() / 128.0f;
meshChunk.textureCoordinates.Add(currentTexCoord);
break;
case CoordinateFormat.NORMALIZED_16_BITS:
vertexIncreaseAmount = ((0x2 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x1)) & 0x1);
stream.Seek(vertexIncreaseAmount, SeekOrigin.Current);
currentTexCoord.X = stream.ReadUInt16() / 32768.0f;
currentTexCoord.Y = stream.ReadUInt16() / 32768.0f;
meshChunk.textureCoordinates.Add(currentTexCoord);
break;
case CoordinateFormat.FLOAT_32_BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
stream.Seek(vertexIncreaseAmount, SeekOrigin.Current);
currentTexCoord.X = stream.ReadFloat();
currentTexCoord.Y = stream.ReadFloat();
meshChunk.textureCoordinates.Add(currentTexCoord);
break;
case CoordinateFormat.NO_VERTEX:
meshChunk.textureCoordinates.Add(currentTexCoord);
break;
}
Vector4 col;
if (isColorFlagRisen)
{
uint c = meshChunk.SectionInfo_opt2.DiffuseColor;
col.X = c % 0x100;
col.Y = (c >> 8) % 0x100;
col.Z = (c >> 16) % 0x100;
col.W = (c >> 24) % 0x100;
meshChunk.colors.Add(col);
}
else
{
switch (ColorFormat)
{
case Pmo.ColorFormat.NO_COLOR:
meshChunk.colors.Add(new Vector4(0xFF, 0xFF, 0xFF, 0xFF));
break;
case Pmo.ColorFormat.BGR_5650_16BITS:
stream.ReadUInt16();
break;
case Pmo.ColorFormat.ABGR_5551_16BITS:
stream.ReadUInt16();
break;
case Pmo.ColorFormat.ABGR_4444_16BITS:
stream.ReadUInt16();
break;
case Pmo.ColorFormat.ABGR_8888_32BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
stream.Seek(vertexIncreaseAmount, SeekOrigin.Current);
col.X = stream.ReadByte();
col.Y = stream.ReadByte();
col.Z = stream.ReadByte();
col.W = stream.ReadByte();
meshChunk.colors.Add(col);
break;
}
}
Vector3 currentVertex;
// Handle triangles and triangle strips.
switch (VertexPositionFormat)
{
case CoordinateFormat.NORMALIZED_8_BITS:
currentVertex.X = r.ReadSByte() / 128.0f;
currentVertex.Y = r.ReadSByte() / 128.0f;
currentVertex.Z = r.ReadSByte() / 128.0f;
meshChunk.vertices.Add(currentVertex);
break;
case CoordinateFormat.NORMALIZED_16_BITS:
vertexIncreaseAmount = ((0x2 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x1)) & 0x1);
stream.Seek(vertexIncreaseAmount, SeekOrigin.Current);
currentVertex.X = (float)stream.ReadInt16() / 32768.0f;
currentVertex.Y = (float)stream.ReadInt16() / 32768.0f;
currentVertex.Z = (float)stream.ReadInt16() / 32768.0f;
meshChunk.vertices.Add(currentVertex);
break;
case CoordinateFormat.FLOAT_32_BITS:
vertexIncreaseAmount = ((0x4 - (Convert.ToInt32(stream.Position - vertexStartPos) & 0x3)) & 0x3);
stream.Seek(vertexIncreaseAmount, SeekOrigin.Current);
currentVertex.X = stream.ReadFloat();
currentVertex.Y = stream.ReadFloat();
currentVertex.Z = stream.ReadFloat();
meshChunk.vertices.Add(currentVertex);
break;
}
stream.Seek(vertexStartPos + meshChunk.SectionInfo.VertexSize, SeekOrigin.Begin);
if (flags.Primitive == PrimitiveType.PRIMITIVE_TRIANGLE)
{
meshChunk.Indices.Add(v);
}
}
VertCnt = meshChunk.SectionInfo.VertexCount;
pmo.Meshes.Add(meshChunk);
// Find position of next data chunk.
stream.Seek(positionAfterHeader + (meshChunk.SectionInfo.VertexCount * meshChunk.SectionInfo.VertexSize), SeekOrigin.Begin);
stream.Seek(stream.Position % 4, SeekOrigin.Current);
}
}
