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pandatool/src/lwo/lwoSurfaceBlockTMap.cxx

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// Filename: lwoSurfaceBlockTMap.cxx
// Created by:  drose (24Apr01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#include "lwoSurfaceBlockTMap.h"
#include "lwoInputFile.h"
#include "lwoSurfaceBlockCoordSys.h"
#include "lwoSurfaceBlockTransform.h"
#include "lwoSurfaceBlockRefObj.h"

#include "dcast.h"
#include "indent.h"

TypeHandle LwoSurfaceBlockTMap::_type_handle;

////////////////////////////////////////////////////////////////////
//     Function: LwoSurfaceBlockTMap::read_iff
//       Access: Public, Virtual
//  Description: Reads the data of the chunk in from the given input
//               file, if possible.  The ID and length of the chunk
//               have already been read.  stop_at is the byte position
//               of the file to stop at (based on the current position
//               at in->get_bytes_read()).  Returns true on success,
//               false otherwise.
////////////////////////////////////////////////////////////////////
bool LwoSurfaceBlockTMap::
read_iff(IffInputFile *in, size_t stop_at) {
  LwoInputFile *lin = DCAST(LwoInputFile, in);

  read_subchunks_iff(lin, stop_at);

  return true;
}

////////////////////////////////////////////////////////////////////
//     Function: LwoSurfaceBlockTMap::write
//       Access: Public, Virtual
//  Description:
////////////////////////////////////////////////////////////////////
void LwoSurfaceBlockTMap::
write(ostream &out, int indent_level) const {
  indent(out, indent_level)
    << get_id() << " {\n";
  write_chunks(out, indent_level + 2);
  indent(out, indent_level)
    << "}\n";
}

////////////////////////////////////////////////////////////////////
//     Function: LwoSurfaceBlockTMap::make_new_chunk
//       Access: Protected, Virtual
//  Description: Allocates and returns a new chunk of the appropriate
//               type based on the given ID, according to the context
//               given by this chunk itself.
////////////////////////////////////////////////////////////////////
IffChunk *LwoSurfaceBlockTMap::
make_new_chunk(IffInputFile *in, IffId id) {
  if (id == IffId("CNTR") ||
      id == IffId("SIZE") ||
      id == IffId("ROTA")) {
    return new LwoSurfaceBlockTransform;

  } else if (id == IffId("OREF")) {
    return new LwoSurfaceBlockRefObj;

  } else if (id == IffId("CSYS")) {
    return new LwoSurfaceBlockCoordSys;

  } else {
    return IffChunk::make_new_chunk(in, id);
  }
}

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