public TrifanInfo ParseTrifanInfo()
{
TrifanInfo trifan = new TrifanInfo();
trifan.TrifanIndex = m_sourceFile.ReadUInt16();
trifan.VertexCount = m_sourceFile.ReadByte();
trifan.Flags = m_sourceFile.ReadByte();
trifan.Unknown4 = m_sourceFile.ReadUInt32();
trifan.Unknown5 = m_sourceFile.ReadUInt32();
//bool isSolidColor = (set.TrifanData[i].Flags & 0x04) == 0x04;
//if (isSolidColor)
//{
// set.TrifanData[i].TextureIndex = (set.TrifanData[i].Unknown4 & 0xFFFF);
//}
//else
//{
// set.TrifanData[i].TextureIndex = (set.TrifanData[i].Unknown5 & 0xFFFF);
//}
//set.TrifanData[i].UVDepth = (ushort)(set.TrifanData[i].Unknown4 & 0xFFFF);
//if (set.TrifanData[i].Flags != 0x04) // if flag 0x04 is not set
//{
trifan.TextureIndex = (trifan.Unknown5 & 0xFFFF);
//}
//else
//{
// set.TrifanData[i].TextureIndex = UInt32.MaxValue; // set to invalid value
//}
trifan.UVDepth = (ushort)(trifan.Unknown4 & 0xFFFF);
if (trifan.UVDepth == 0)
{
trifan.UVDepth = 1;
}
trifan.VertexIndices = new ushort[trifan.VertexCount];
for (int j = 0; j < trifan.VertexCount; j++)
{
trifan.VertexIndices[j] = m_sourceFile.ReadUInt16();
}
if (trifan.Flags != 0x04)
{
for (int d = 0; d < trifan.UVDepth; d++)
{
trifan.UVIndex = m_sourceFile.ReadBytes(trifan.VertexCount);
}
}
if (m_sourceFile.DatType != DatType.Portal_ToD)
{
m_sourceFile.AlignToDwordBoundary();
}
return(trifan);
}
/// <summary>
/// Initialized the vertex & index buffers for this mesh scene
/// </summary>
public void ReInitialize()
{
if (m_noTexturing)
{
ReInitializeWithoutTexturing();
return;
}
// prepare vars
m_coloredTrifans.Clear();
m_texturedTrifans.Clear();
// loop through the texturing info and determine for each of them what
// type of decoration it is.
m_decorations = new MeshDecoration[m_simpleMesh.TextureInfo.Length];
m_textures = new Texture[m_decorations.Length];
for (int i = 0; i < m_decorations.Length; i++)
{
m_decorations[i] = new MeshDecoration(m_simpleMesh.TextureInfo[i]);
if (m_decorations[i].DecorationType == DecorationType.Texture)
{
Bitmap bmp = m_decorations[i].Texture.GetBitmap();
m_textures[i] = new Texture(m_device, bmp, 0, Pool.Managed);
}
}
// we'll have to create two sets of index buffers:
// one for textured trifans and one for colored trifans
// we'll have to determine for each trifan to which of these it belongs
List <VertexLookup> texturedVertexTable = new List <VertexLookup>();
List <VertexLookup> coloredVertexTable = new List <VertexLookup>();
List <ushort> texturedIndexList = new List <ushort>();
List <ushort> coloredIndexList = new List <ushort>();
for (int i = 0; i < (int)m_simpleMesh.SecondTrifanSet.TrifanCount; i++)
{
TrifanInfo trifan = m_simpleMesh.SecondTrifanSet.TrifanData[i];
bool drawSolidColor = false;
drawSolidColor = (trifan.Flags & 0x04) == 0x04;
// draw solid when this trifan is drawn using a solid color
drawSolidColor = drawSolidColor || (m_decorations[(int)trifan.TextureIndex].DecorationType == DecorationType.SolidColor);
if (drawSolidColor)
{
Color color = m_decorations[(int)trifan.TextureIndex].SolidColor;
TrifanDrawInfo trifanInfo = new TrifanDrawInfo();
trifanInfo.IndexBufferStart = (ushort)coloredIndexList.Count;
trifanInfo.PrimitiveCount = trifan.VertexCount - 2;
for (int j = 0; j < trifan.VertexIndices.Length; j++)
{
VertexLookup lookup = new VertexLookup(trifan.VertexIndices[j], 0, color);
ushort vertexIndex;
if (!coloredVertexTable.Contains(lookup))
{
coloredVertexTable.Add(lookup);
}
vertexIndex = (ushort)coloredVertexTable.IndexOf(lookup);
coloredIndexList.Add(vertexIndex);
}
m_coloredTrifans.Add(i, trifanInfo);
}
else
{
TrifanDrawInfo trifanInfo = new TrifanDrawInfo();
trifanInfo.IndexBufferStart = (ushort)texturedIndexList.Count;
trifanInfo.PrimitiveCount = trifan.VertexCount - 2;
for (int j = 0; j < trifan.VertexIndices.Length; j++)
{
VertexLookup lookup = new VertexLookup(trifan.VertexIndices[j], trifan.UVIndex[j]);
ushort vertexIndex;
if (!texturedVertexTable.Contains(lookup))
{
texturedVertexTable.Add(lookup);
}
vertexIndex = (ushort)texturedVertexTable.IndexOf(lookup);
texturedIndexList.Add(vertexIndex);
}
m_texturedTrifans.Add(i, trifanInfo);
}
}
// now create the actual index & vertex buffers
// texture vb & ib
if (texturedVertexTable.Count > 0)
{
m_vbTextured = new VertexBuffer(typeof(CustomVertex.PositionNormalTextured),
texturedVertexTable.Count, m_device, Usage.WriteOnly,
CustomVertex.PositionNormalTextured.Format, Pool.Managed);
GraphicsStream stream = m_vbTextured.Lock(0, 0, LockFlags.None);
foreach (VertexLookup lookup in texturedVertexTable)
{
VertexInfo vertex = m_simpleMesh.VertexInfo[(int)lookup.VertexId];
stream.Write(new CustomVertex.PositionNormalTextured(vertex.X,
vertex.Y, vertex.Z, vertex.NX, vertex.NY, vertex.NZ,
vertex.CUVData[lookup.UVIndex].U, vertex.CUVData[lookup.UVIndex].V));
}
m_vbTextured.Unlock();
m_ibTextured = new IndexBuffer(typeof(ushort), texturedIndexList.Count,
m_device, Usage.WriteOnly, Pool.Managed);
stream = m_ibTextured.Lock(0, 0, LockFlags.None);
stream.Write(texturedIndexList.ToArray());
m_ibTextured.Unlock();
}
m_vbTexturedLength = texturedVertexTable.Count;
// color vb & ib
if (coloredVertexTable.Count > 0)
{
m_vbColored = new VertexBuffer(typeof(CustomVertex.PositionNormalColored),
coloredVertexTable.Count, m_device, Usage.WriteOnly,
CustomVertex.PositionNormalColored.Format, Pool.Managed);
GraphicsStream stream = m_vbColored.Lock(0, 0, LockFlags.None);
foreach (VertexLookup lookup in coloredVertexTable)
{
VertexInfo vertex = m_simpleMesh.VertexInfo[(int)lookup.VertexId];
stream.Write(new CustomVertex.PositionNormalColored(vertex.X,
vertex.Y, vertex.Z, vertex.NX, vertex.NY, vertex.NZ,
lookup.Color.ToArgb()));
}
m_vbColored.Unlock();
m_ibColored = new IndexBuffer(typeof(ushort), coloredIndexList.Count,
m_device, Usage.WriteOnly, Pool.Managed);
stream = m_ibColored.Lock(0, 0, LockFlags.None);
stream.Write(coloredIndexList.ToArray());
m_ibColored.Unlock();
}
m_vbColoredLength = coloredVertexTable.Count;
}
public void ReInitializeWithoutTexturing()
{
// prepare vars
m_coloredTrifans.Clear();
m_texturedTrifans.Clear();
// loop through the texturing info and determine for each of them what
// type of decoration it is.
m_decorations = new MeshDecoration[0];
m_textures = new Texture[0];
// create a single trifan set of red trifans
List <VertexLookup> coloredVertexTable = new List <VertexLookup>();
List <ushort> coloredIndexList = new List <ushort>();
for (int i = 0; i < (int)m_simpleMesh.SecondTrifanSet.TrifanCount; i++)
{
TrifanInfo trifan = m_simpleMesh.SecondTrifanSet.TrifanData[i];
Color color = Color.Red;
TrifanDrawInfo trifanInfo = new TrifanDrawInfo();
trifanInfo.IndexBufferStart = (ushort)coloredIndexList.Count;
trifanInfo.PrimitiveCount = trifan.VertexCount - 2;
for (int j = 0; j < trifan.VertexIndices.Length; j++)
{
VertexLookup lookup = new VertexLookup(trifan.VertexIndices[j], 0, color);
ushort vertexIndex;
if (!coloredVertexTable.Contains(lookup))
{
coloredVertexTable.Add(lookup);
}
vertexIndex = (ushort)coloredVertexTable.IndexOf(lookup);
coloredIndexList.Add(vertexIndex);
}
m_coloredTrifans.Add(i, trifanInfo);
}
// now create the actual index & vertex buffers
// texture vb & ib
m_vbTexturedLength = 0;
// color vb & ib
if (coloredVertexTable.Count > 0)
{
m_vbColored = new VertexBuffer(typeof(CustomVertex.PositionNormalColored),
coloredVertexTable.Count, m_device, Usage.WriteOnly,
CustomVertex.PositionNormalColored.Format, Pool.Managed);
GraphicsStream stream = m_vbColored.Lock(0, 0, LockFlags.None);
foreach (VertexLookup lookup in coloredVertexTable)
{
VertexInfo vertex = m_simpleMesh.VertexInfo[(int)lookup.VertexId];
stream.Write(new CustomVertex.PositionNormalColored(vertex.X,
vertex.Y, vertex.Z, vertex.NX, vertex.NY, vertex.NZ,
lookup.Color.ToArgb()));
}
m_vbColored.Unlock();
m_ibColored = new IndexBuffer(typeof(ushort), coloredIndexList.Count,
m_device, Usage.WriteOnly, Pool.Managed);
stream = m_ibColored.Lock(0, 0, LockFlags.None);
stream.Write(coloredIndexList.ToArray());
m_ibColored.Unlock();
}
m_vbColoredLength = coloredVertexTable.Count;
}