void LoadMesh(Chunk chunk, Chunk parent, BasicMesh mesh)
{
var prims = new List <Primitive>();
var indices = new List <ushort>();
int iArrays = -1;
Chunk child;
for (int pos = chunk.Child; pos < chunk.Next; pos = child.Next)
{
child = ReadChunk(pos);
int args = child.Args;
switch (child.Type)
{
case ChunkType.SetMaterial:
mesh.Material = ReadIndex(args);
break;
case ChunkType.BlendSubset:
int nIndices = ReadInt32(args);
mesh.BlendSubset = new int[nIndices];
for (int i = 0; i < nIndices; i++)
{
mesh.BlendSubset[i] = ReadIndex(args + 4 + 4 * i);
}
break;
case ChunkType.DrawArrays:
iArrays = ReadIndex(args + 0);
int mode = ReadInt32(args + 4);
int first = indices.Count;
int nVerts = ReadInt32(args + 8);
int nPrims = ReadInt32(args + 12);
int total = nVerts * nPrims;
var prim = new Primitive(GetDrawMode(mode), first, nVerts, 0);
// var prim = new Primitive( GetDrawMode( 2 ), first, nVerts, 0 ) ;
for (int i = 0; i < nPrims; i++)
{
prims.Add(prim);
prim.First += (ushort)nVerts;
}
bool sequential = ((mode & 0x8000) != 0);
int index = ReadUInt16(args + 16);
for (int i = 0; i < total; i++)
{
if (!sequential)
{
index = ReadUInt16(args + 16 + i * 2);
}
indices.Add((ushort)(index++));
}
break;
}
}
if (iArrays < 0)
{
return;
}
int pArrays = FindChild(parent, ChunkType.Arrays, iArrays);
Chunk chunk2 = ReadChunk(pArrays);
int args2 = chunk2.Args;
int format = ReadInt32(args2 + 0);
int count = ReadInt32(args2 + 4);
int data2 = chunk2.Data;
VertexFormat[] formats = GetVertexFormats(format);
int[] offsets = GetVertexOffsets(format);
int stride = GetVertexStride(format);
// vertexformat hack
// for( int i = 0; i < formats.Length; i++ ){
// if( i == 3 || i == 4 || i == 5 ){
// formats[ i ] = VertexFormat.Half2;
// }
// }
mesh.VertexBuffer = new VertexBuffer(count, indices.Count, formats);
mesh.VertexBuffer.SetIndices(indices.ToArray());
for (int i = 0; i < formats.Length; i++)
{
if (formats[i] == VertexFormat.None)
{
continue;
}
// // vertexformat hack
// if( i == 3 || i == 4 || i == 5 ){
// // tex0
// float[] array = new float[ count * 2 ];
// for( int idx = 0; idx < count; idx++ ){
// int ofst = data2 + offsets[ i ] + stride * idx;
// float u = BitConverter.ToSingle( fileImage, ofst + 0);
// float v = BitConverter.ToSingle( fileImage, ofst + 4);
// array[ idx * 2 + 0 ] = u;
// array[ idx * 2 + 1 ] = v;
// // array[ idx * 2 + 0 ] = (short)idx;
// // array[ idx * 2 + 1 ] = (short)idx;
// }
// mesh.VertexBuffer.SetVertices( i, array, VertexFormat.Half2,
// new Vector4( 0.0f, 0.0f, 0.0f, 0.0f),
// new Vector4( 1.0f, 1.0f, 1.0f, 1.0f) );//BitConverter.GetBytes( array ) );
// }else{
// // mesh.VertexBuffer.SetVertices( i, fileImage, data2 + offsets[ i ], stride ) ;
// mesh.VertexBuffer.SetVertices( i, fileImage, data2 + offsets[ i ], stride ) ;
// }
mesh.VertexBuffer.SetVertices(i, fileImage, data2 + offsets[i], stride);
}
mesh.Primitives = prims.ToArray();
}
public Part(BasicMesh mesh, int drawOrder)
{
this.mesh = mesh;
this.drawOrder = drawOrder;
}
public Part( BasicMesh mesh, int drawOrder )
{
this.mesh = mesh;
this.drawOrder = drawOrder;
}
void LoadMesh( Chunk chunk, Chunk parent, BasicMesh mesh )
{
var prims = new List<Primitive>() ;
var indices = new List<ushort>() ;
int iArrays = -1 ;
Chunk child ;
for ( int pos = chunk.Child ; pos < chunk.Next ; pos = child.Next ) {
child = ReadChunk( pos ) ;
int args = child.Args ;
switch ( child.Type ) {
case ChunkType.SetMaterial :
mesh.Material = ReadIndex( args ) ;
break ;
case ChunkType.BlendSubset :
int nIndices = ReadInt32( args ) ;
mesh.BlendSubset = new int[ nIndices ] ;
for ( int i = 0 ; i < nIndices ; i ++ ) {
mesh.BlendSubset[ i ] = ReadIndex( args + 4 + 4 * i ) ;
}
break ;
case ChunkType.DrawArrays :
iArrays = ReadIndex( args + 0 ) ;
int mode = ReadInt32( args + 4 ) ;
int first = indices.Count ;
int nVerts = ReadInt32( args + 8 ) ;
int nPrims = ReadInt32( args + 12 ) ;
int total = nVerts * nPrims ;
var prim = new Primitive( GetDrawMode( mode ), first, nVerts, 0 ) ;
// var prim = new Primitive( GetDrawMode( 2 ), first, nVerts, 0 ) ;
for ( int i = 0 ; i < nPrims ; i ++ ) {
prims.Add( prim ) ;
prim.First += (ushort)nVerts ;
}
bool sequential = ( ( mode & 0x8000 ) != 0 ) ;
int index = ReadUInt16( args + 16 ) ;
for ( int i = 0 ; i < total ; i ++ ) {
if ( !sequential ) index = ReadUInt16( args + 16 + i * 2 ) ;
indices.Add( (ushort)( index ++ ) ) ;
}
break ;
}
}
if ( iArrays < 0 ) return ;
int pArrays = FindChild( parent, ChunkType.Arrays, iArrays ) ;
Chunk chunk2 = ReadChunk( pArrays ) ;
int args2 = chunk2.Args ;
int format = ReadInt32( args2 + 0 ) ;
int count = ReadInt32( args2 + 4 ) ;
int data2 = chunk2.Data ;
VertexFormat[] formats = GetVertexFormats( format ) ;
int[] offsets = GetVertexOffsets( format ) ;
int stride = GetVertexStride( format ) ;
// vertexformat hack
// for( int i = 0; i < formats.Length; i++ ){
// if( i == 3 || i == 4 || i == 5 ){
// formats[ i ] = VertexFormat.Half2;
// }
// }
mesh.VertexBuffer = new VertexBuffer( count, indices.Count, formats ) ;
mesh.VertexBuffer.SetIndices( indices.ToArray() ) ;
for ( int i = 0 ; i < formats.Length ; i ++ ) {
if ( formats[ i ] == VertexFormat.None ) continue ;
// // vertexformat hack
// if( i == 3 || i == 4 || i == 5 ){
// // tex0
// float[] array = new float[ count * 2 ];
// for( int idx = 0; idx < count; idx++ ){
// int ofst = data2 + offsets[ i ] + stride * idx;
// float u = BitConverter.ToSingle( fileImage, ofst + 0);
// float v = BitConverter.ToSingle( fileImage, ofst + 4);
// array[ idx * 2 + 0 ] = u;
// array[ idx * 2 + 1 ] = v;
// // array[ idx * 2 + 0 ] = (short)idx;
// // array[ idx * 2 + 1 ] = (short)idx;
// }
// mesh.VertexBuffer.SetVertices( i, array, VertexFormat.Half2,
// new Vector4( 0.0f, 0.0f, 0.0f, 0.0f),
// new Vector4( 1.0f, 1.0f, 1.0f, 1.0f) );//BitConverter.GetBytes( array ) );
// }else{
// // mesh.VertexBuffer.SetVertices( i, fileImage, data2 + offsets[ i ], stride ) ;
// mesh.VertexBuffer.SetVertices( i, fileImage, data2 + offsets[ i ], stride ) ;
// }
mesh.VertexBuffer.SetVertices( i, fileImage, data2 + offsets[ i ], stride ) ;
}
mesh.Primitives = prims.ToArray() ;
}
