int calchull( btVector3[] verts, int verts_count, out TUIntArray tris_out, out int tris_count, int vlimit )
{
int rc = calchullgen( verts, verts_count, vlimit );
if( rc == 0 )
{
tris_out = null;
tris_count = 0;
return 0;
}
btList<int> ts = new btList<int>();
int i;
for( i = 0; i < m_tris.Count; i++ )
{
if( m_tris[i] != null )
{
for( int j = 0; j < 3; j++ )
ts.Add( ( m_tris[i].v)[j] );
deAllocateTriangle( m_tris[i] );
}
}
tris_count = ts.Count / 3;
tris_out = new TUIntArray( ts.Count );
for( i = 0; i < ts.Count; i++ )
{
tris_out[i] = (uint)( ts[i] );
}
m_tris.Count = ( 0 );
return 1;
}
void BringOutYourDead( btList<btVector3> verts, int vcount, btList<btVector3> overts, out int ocount, TUIntArray indices, int indexcount )
{
btList<int> tmpIndices = new btList<int>( m_vertexIndexMapping.Count );
int i;
for( i = 0; i < m_vertexIndexMapping.Count; i++ )
{
tmpIndices[i] = m_vertexIndexMapping[i];
}
TUIntArray usedIndices = new TUIntArray( (int)vcount );
//usedIndices.Capacity( (int)vcount ) );
//memset( usedIndices, 0, sizeof( uint ) * vcount );
ocount = 0;
for( i = 0; i < (int)indexcount; i++ )
{
int v = (int)indices[i]; // original array index
Debug.Assert( v >= 0 && v < vcount );
if( usedIndices[(int) v] != 0 ) // if already remapped
{
indices[i] = usedIndices[v] - 1; // index to new array
}
else
{
indices[i] = (uint)ocount; // new index mapping
overts[ocount] = verts[v]; // copy old vert to new vert array
for( int k = 0; k < m_vertexIndexMapping.Count; k++ )
{
if( tmpIndices[k] == v )
m_vertexIndexMapping[k] = ocount;
}
ocount++; // increment output vert count
Debug.Assert( ocount >= 0 && ocount <= vcount );
usedIndices[v] = (uint)ocount; // assign new index remapping
}
}
}
