void SetIndices(MLOD mlod, s3pi.GenericRCOLResource.GenericRCOLResource.ChunkReference myIBI, Int32 beforeLength, Int32 afterPos, Int32[] indices)
{
Int32[] before = new Int32[beforeLength];
Array.Copy(mBuffer, 0, before, 0, before.Length);
Int32[] after = new Int32[mBuffer.Length - afterPos];
Array.Copy(mBuffer, afterPos, after, 0, after.Length);
mBuffer = new Int32[before.Length + indices.Length + after.Length];
Array.Copy(before, 0, mBuffer, 0, before.Length);
Array.Copy(indices, 0, mBuffer, before.Length, indices.Length);
Array.Copy(after, 0, mBuffer, before.Length + indices.Length, after.Length);
int offset = beforeLength + indices.Length - afterPos;
if (offset != 0)
{
foreach (var m in mlod.Meshes.FindAll(m => m.IndexBufferIndex.Equals(myIBI)))
{
if (m.StartIndex > beforeLength)
{
m.StartIndex += offset;
foreach (var g in m.GeometryStates)
{
if (g.StartIndex > beforeLength)
{
g.StartIndex += offset;
}
}
}
}
}
}
private bool SetVertices(MLOD mlod, s3pi.GenericRCOLResource.GenericRCOLResource.ChunkReference myVBI, long beforeLength, int count, VRTF vrtf, IEnumerable <Vertex> vertices, float[] uvscales)
{
bool okay = true;
byte[] before = new byte[beforeLength];
Array.Copy(mBuffer, before, before.Length);
long afterPos = Math.Min(mBuffer.Length, beforeLength + (count * vrtf.Stride));
byte[] after = new byte[mBuffer.Length - afterPos];
Array.Copy(mBuffer, afterPos, after, 0, after.Length);
long offset = 0;
using (MemoryStream mg = new MemoryStream())
{
if (!SetVertices(mg, vrtf, vertices, uvscales))
{
okay = false;
}
offset = beforeLength + mg.Length - afterPos;
mBuffer = new byte[before.Length + mg.Length + after.Length];
Array.Copy(before, mBuffer, before.Length);
Array.Copy(mg.ToArray(), 0, mBuffer, before.Length, mg.Length);
Array.Copy(after, 0, mBuffer, before.Length + mg.Length, after.Length);
mg.Close();
}
int voffset = (int)offset / vrtf.Stride;
if (offset != 0)
{
foreach (var m in mlod.Meshes.Where(m => m.VertexBufferIndex.Equals(myVBI) && m.StreamOffset > beforeLength))
{
m.StreamOffset = (uint)(m.StreamOffset + offset);
foreach (var g in m.GeometryStates)
{
if (g.MinVertexIndex * vrtf.Stride > beforeLength)
{
g.MinVertexIndex += voffset;
}
}
}
}
return(okay);
}
void SetIndices(MLOD mlod, s3pi.GenericRCOLResource.GenericRCOLResource.ChunkReference myIBI, ModelPrimitiveType type, Int32 startIndex, Int32 primCount, Int32[] indices)
{
SetIndices(mlod, myIBI, startIndex, startIndex + primCount * IndexCountFromPrimitiveType(type), indices);
}
