initial xfile pass

pandatool/src/xfile/Sources.pp

@@ -0,0 +1,23 @@
+#define DIRECTORY_IF_DX yes
+#define USE_DX yes
+
+#begin bin_target
+  #define TARGET egg2x
+  #define LOCAL_LIBS eggbase progbase pandatoolbase
+  #define OTHER_LIBS \
+    egg:c pandaegg:m \
+    mathutil:c linmath:c putil:c panda:m \
+    express:c pandaexpress:m \
+    dtoolconfig dtool pystub \
+
+  #define WIN_SYS_LIBS \
+    d3dxof.lib
+
+  #define SOURCES \
+    xFileMaker.cxx xFileMaker.h
+
+  #define SOURCES \
+    $[SOURCES] \
+    eggToX.cxx eggToX.h
+
+#end bin_target

pandatool/src/xfile/bam2x.cxx

@@ -0,0 +1,134 @@
+// Filename: bamInfo.cxx
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 "bam2x.h"
+
+#include <bamFile.h>
+#include <node.h>
+#include <renderRelation.h>
+#include <geomNode.h>
+
+#include <vector>
+
+////////////////////////////////////////////////////////////////////
+//     Function: Bam2X::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+Bam2X::
+Bam2X() : WithOutputFile(true, false, true) {
+  set_program_description
+    ("This program reads a Bam file and outputs an equivalent, "
+     "or nearly equivalent, DirectX-style .x file.  Meshes as generated "
+     "by the Panda mesher are preserved, but advanced features like "
+     "LOD's and characters cannot be supported.");
+
+  clear_runlines();
+  add_runline("[opts] input.bam output.x");
+  add_runline("[opts] -o output.x input.bam");
+
+  add_option
+    ("o", "filename", 50, 
+     "Specify the filename to which the resulting .x file will be written.  "
+     "If this option is omitted, the last parameter name is taken to be the "
+     "name of the output file.",
+     &Bam2X::dispatch_filename, &_got_output_filename, &_output_filename);
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: Bam2X::run
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+void Bam2X::
+run() {
+  BamFile bam_file;
+
+  if (!bam_file.open_read(_input_filename)) {
+    nout << "Unable to read.\n";
+    exit(1);
+  }
+
+  typedef vector<TypedWritable *> Objects;
+  Objects objects;
+  TypedWritable *object = bam_file.read_object();
+  while (object != (TypedWritable *)NULL || !bam_file.is_eof()) {
+    if (object != (TypedWritable *)NULL) {
+      objects.push_back(object);
+    }
+    object = bam_file.read_object();
+  }
+  bam_file.resolve();
+  bam_file.close();
+
+  if (objects.size() == 1 && objects[0]->is_of_type(Node::get_class_type())) {
+    convert_scene_graph(DCAST(Node, objects[0]));
+  } else {
+    nout << _input_filename << " does not contain a scene graph.\n";
+    exit(1);
+  }
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: Bam2X::handle_args
+//       Access: Protected, Virtual
+//  Description:
+////////////////////////////////////////////////////////////////////
+bool Bam2X::
+handle_args(ProgramBase::Args &args) {
+  if (!check_last_arg(args, 1)) {
+    return false;
+  }
+
+  if (args.size() != 1) {
+    nout << "You must specify one Bam file to read on the command line.\n";
+    return false;
+  }
+
+  _input_filename = args[0];
+  return true;
+}
+
+int main(int argc, char *argv[]) {
+  Bam2X prog;
+  prog.parse_command_line(argc, argv);
+  prog.run();
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Bam2X::convert_scene_graph
+//       Access: Private
+//  Description:
+////////////////////////////////////////////////////////////////////
+void Bam2X::
+convert_scene_graph(Node *root) {
+  nout << "Got root: " << *root << "\n";
+
+  if (!_x.open(get_output_filename())) {
+    nout << "Unable to open " << get_output_filename() << " for output.\n";
+    exit(1);
+  }
+  if (!_x.add_node(root)) {
+    nout << "Unable to add " << *root << " to output.\n";
+    exit(1);
+  }
+  _x.close();
+}

pandatool/src/xfile/bam2x.h

@@ -0,0 +1,53 @@
+// Filename: bam2X.h
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef BAM2X_H
+#define BAM2X_H
+
+#include <pandatoolbase.h>
+#include "xFileMaker.h"
+
+#include <programBase.h>
+#include <withOutputFile.h>
+#include <filename.h>
+
+class Node;
+
+////////////////////////////////////////////////////////////////////
+//       Class : Bam2X
+// Description : A program to read in a bam file and write an
+//               equivalent, or nearly equivalent, DirectX-style "x"
+//               file.
+////////////////////////////////////////////////////////////////////
+class Bam2X : public ProgramBase, public WithOutputFile {
+public:
+  Bam2X();
+
+  void run();
+
+protected:
+  virtual bool handle_args(Args &args);
+
+private:
+  void convert_scene_graph(Node *root);
+
+  Filename _input_filename;
+  XFileMaker _x;
+};
+
+#endif

pandatool/src/xfile/eggToX.cxx

@@ -0,0 +1,67 @@
+// Filename: eggToX.cxx
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 "eggToX.h"
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggToX::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+EggToX::
+EggToX() : EggToSomething("DirectX", "x") {
+  set_program_description
+    ("This program reads an Egg file and outputs an equivalent, "
+     "or nearly equivalent, DirectX-style .x file.  Only simple "
+     "hierarchy and polygon meshes are supported; advanced features "
+     "like LOD's, decals, and characters cannot be supported.");
+
+  // X files are always y-up-left.
+  remove_option("cs");
+  _got_coordinate_system = true;
+  _coordinate_system = CS_yup_left;
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggToX::run
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+void EggToX::
+run() {
+  if (!_x.open(get_output_filename())) {
+    nout << "Unable to open " << get_output_filename() << " for output.\n";
+    exit(1);
+  }
+
+  if (!_x.add_tree(_data)) {
+    nout << "Unable to define egg structure.\n";
+    exit(1);
+  }
+
+  _x.close();
+}
+
+
+int main(int argc, char *argv[]) {
+  EggToX prog;
+  prog.parse_command_line(argc, argv);
+  prog.run();
+  return 0;
+}

pandatool/src/xfile/eggToX.h

@@ -0,0 +1,51 @@
+// Filename: eggToX.h
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef EGGTOX_H
+#define EGGTOX_H
+
+#include "pandatoolbase.h"
+#include "eggToSomething.h"
+#include "xFileMaker.h"
+
+#include <programBase.h>
+#include <withOutputFile.h>
+#include <filename.h>
+
+class Node;
+
+////////////////////////////////////////////////////////////////////
+//       Class : EggToX
+// Description : A program to read in a egg file and write an
+//               equivalent, or nearly equivalent, DirectX-style "x"
+//               file.
+////////////////////////////////////////////////////////////////////
+class EggToX : public EggToSomething {
+public:
+  EggToX();
+
+  void run();
+
+private:
+  void convert_scene_graph(Node *root);
+
+  Filename _input_filename;
+  XFileMaker _x;
+};
+
+#endif

pandatool/src/xfile/xFileMaker.cxx

@@ -0,0 +1,413 @@
+// Filename: xFileMaker.cxx
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 "xFileMaker.h"
+#include "notify.h"
+#include "eggGroupNode.h"
+#include "eggGroup.h"
+#include "eggBin.h"
+#include "eggPolysetMaker.h"
+#include "eggVertexPool.h"
+#include "eggVertex.h"
+#include "eggPolygon.h"
+#include "eggData.h"
+#include "pvector.h"
+#include "vector_int.h"
+#include "string_utils.h"
+
+// This must be included only in exactly one .cxx file, since
+// including defines the structure!
+#include <rmxftmpl.h>
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+XFileMaker::
+XFileMaker() {
+  _dx_file = NULL;
+  _dx_file_save = NULL;
+  _mesh_index = 0;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::Destructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+XFileMaker::
+~XFileMaker() {
+  close();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::open
+//       Access: Public
+//  Description: Opens the indicated filename for writing, and writes
+//               the .x header information; returns true on success,
+//               false otherwise.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+open(const Filename &filename) {
+  HRESULT hr;
+
+  close();
+  hr = DirectXFileCreate(&_dx_file);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to create X interface.\n";
+    return false;
+  }
+
+  // Register our templates.
+  hr = _dx_file->RegisterTemplates(D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to register templates.\n";
+    return false;
+  }
+
+  string os_file = filename.to_os_specific();
+  hr = _dx_file->CreateSaveObject(os_file.c_str(), DXFILEFORMAT_TEXT,
+                                  &_dx_file_save);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to open X file: " << os_file << "\n";
+    return false;
+  }
+
+  // Save the templates we will use.
+  static const GUID *temps[] = {
+    &TID_D3DRMVector,
+    &TID_D3DRMMeshFace,
+    &TID_D3DRMMesh,
+    &TID_D3DRMFrame,
+  };
+  static const int num_temps = sizeof(temps) / sizeof(temps[0]);
+  hr = _dx_file_save->SaveTemplates(num_temps, temps);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to save templates.\n";
+    return false;
+  }
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::close
+//       Access: Public
+//  Description: Finalizes and closes the file previously opened via
+//               open().
+////////////////////////////////////////////////////////////////////
+void XFileMaker::
+close() {
+  if (_dx_file != NULL) {
+    if (_dx_file_save != NULL) {
+      _dx_file_save->Release();
+      _dx_file_save = NULL;
+    }
+    _dx_file->Release();
+    _dx_file = NULL;
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::add_tree
+//       Access: Public
+//  Description: Adds the egg tree rooted at the indicated node to the
+//               DX structure.  This may be somewhat destructive of
+//               the egg tree.  Returns true on success, false on
+//               failure.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+add_tree(EggData &egg_data) {
+  // Now collect all the polygons together into polysets.
+  EggPolysetMaker pmaker;
+  int num_bins = pmaker.make_bins(&egg_data);
+
+  // And now we're ready to traverse the egg hierarchy.
+  return add_node(&egg_data, NULL);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::add_node
+//       Access: Private
+//  Description: Adds the node to the DX structure, in whatever form
+//               it is supported.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+add_node(EggNode *egg_node, LPDIRECTXFILEDATA dx_parent) {
+  if (egg_node->is_of_type(EggBin::get_class_type())) {
+    return add_bin(DCAST(EggBin, egg_node), dx_parent);
+
+  } else if (egg_node->is_of_type(EggGroup::get_class_type())) {
+    return add_group(DCAST(EggGroup, egg_node), dx_parent);
+
+  } else if (egg_node->is_of_type(EggGroupNode::get_class_type())) {
+    // A grouping node of some kind.
+    EggGroupNode *egg_group = DCAST(EggGroupNode, egg_node);
+    LPDIRECTXFILEDATA data;
+    if (!create_frame(data, egg_group->get_name())) {
+      return false;
+    }
+    
+    if (!recurse_nodes(egg_group, data)) {
+      data->Release();
+      return false;
+    }
+    
+    if (!attach_and_release(data, dx_parent)) {
+      return false;
+    }
+    
+    return true;
+  }
+
+  // Some unsupported node type.  Ignore it.
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::add_group
+//       Access: Private
+//  Description: Adds a frame for the indicated group node.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+add_group(EggGroup *egg_group, LPDIRECTXFILEDATA dx_parent) {
+  LPDIRECTXFILEDATA data;
+  if (!create_frame(data, egg_group->get_name())) {
+    return false;
+  }
+
+  if (!recurse_nodes(egg_group, data)) {
+    data->Release();
+    return false;
+  }
+
+  if (!attach_and_release(data, dx_parent)) {
+    return false;
+  }
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::add_bin
+//       Access: Private
+//  Description: Determines what kind of object needs to be added for
+//               the indicated bin node.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+add_bin(EggBin *egg_bin, LPDIRECTXFILEDATA dx_parent) {
+  switch (egg_bin->get_bin_number()) {
+  case EggPolysetMaker::BN_polyset:
+    return add_polyset(egg_bin, dx_parent);
+  }
+
+  cerr << "Unexpected bin type " << egg_bin->get_bin_number() << "\n";
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::add_polyset
+//       Access: Private
+//  Description: Adds a mesh object corresponding to the collection of
+//               polygons within the indicated bin.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+add_polyset(EggBin *egg_bin, LPDIRECTXFILEDATA dx_parent) {
+  // Make sure that all our polygons are reasonable.
+  egg_bin->remove_invalid_primitives();
+
+  // First, we need to collect all the common vertices for the
+  // polygons in this polyset.  We can do this fairly easily using a
+  // vertex pool.
+  PT(EggVertexPool) vpool = new EggVertexPool("");
+
+  int num_polys = 0;
+
+  EggGroupNode::iterator ci;
+  for (ci = egg_bin->begin(); ci != egg_bin->end(); ++ci) {
+    EggPolygon *poly;
+    DCAST_INTO_R(poly, *ci, false);
+
+    // A temporary holder for the newly converted vertices of the
+    // polygon.
+    PT(EggPolygon) vertex_holder = new EggPolygon;
+
+    num_polys++;
+    EggPolygon::iterator vi;
+    for (vi = poly->begin(); vi != poly->end(); ++vi) {
+      // Make a copy of the polygon's original vertex.
+      PT(EggVertex) vtx_copy = new EggVertex(*(*vi));
+      
+      // Now change the properties on the vertex as appropriate to our
+      // mesh.
+      if (!vtx_copy->has_color()) {
+        vtx_copy->set_color(poly->get_color());
+      }
+      vtx_copy->_dnormals.clear();
+      vtx_copy->_duvs.clear();
+      vtx_copy->_drgbas.clear();
+      vtx_copy->_dxyzs.clear();
+
+      // And create the unique vertex.
+      EggVertex *vtx = vpool->create_unique_vertex(*vtx_copy);
+      vertex_holder->add_vertex(vtx);
+    }
+
+    poly->copy_vertices(*vertex_holder);
+  }
+
+  // Now create the raw data for the Mesh object.
+  int highest_index = vpool->get_highest_index();
+  Datagram raw_data;
+  raw_data.add_int32(highest_index);
+  for (int i = 1; i <= highest_index; i++) {
+    EggVertex *vtx = vpool->get_vertex(i);
+    nassertr(vtx != (EggVertex *)NULL, false);
+    Vertexd pos = vtx->get_pos3();
+    raw_data.add_float32(pos[0]);
+    raw_data.add_float32(pos[1]);
+    raw_data.add_float32(pos[2]);
+  }
+
+  raw_data.add_int32(num_polys);
+  for (ci = egg_bin->begin(); ci != egg_bin->end(); ++ci) {
+    EggPolygon *poly;
+    DCAST_INTO_R(poly, *ci, false);
+
+    raw_data.add_int32(poly->size());
+    EggPolygon::reverse_iterator vi;
+    for (vi = poly->rbegin(); vi != poly->rend(); ++vi) {
+      int index = (*vi)->get_index();
+      raw_data.add_int32(index - 1);
+    }
+  }
+
+  // Finally, create the Mesh object.
+  HRESULT hr;
+  LPDIRECTXFILEDATA data;
+
+  string name = "mesh" + format_string(_mesh_index);
+  _mesh_index++;
+
+  hr = _dx_file_save->CreateDataObject
+    (TID_D3DRMMesh, name.c_str(), NULL, 
+     raw_data.get_length(), (void *)raw_data.get_data(),
+     &data);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to create Mesh object\n";
+    return false;
+  }
+
+  if (!attach_and_release(data, dx_parent)) {
+    return false;
+  }
+  return true;
+}
+  
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::recurse_nodes
+//       Access: Private
+//  Description: Adds each child of the indicated Node as a child of
+//               the indicated DX object.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+recurse_nodes(EggGroupNode *egg_node, LPDIRECTXFILEDATA dx_parent) {
+  EggGroupNode::iterator ci;
+  for (ci = egg_node->begin(); ci != egg_node->end(); ++ci) {
+    EggNode *node = (*ci);
+    if (!add_node(node, dx_parent)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::create_frame
+//       Access: Private
+//  Description: Creates a "frame" object with the indicated name.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+create_frame(LPDIRECTXFILEDATA &data, const string &name) {
+  HRESULT hr;
+
+  string nice_name = make_nice_name(name);
+  hr = _dx_file_save->CreateDataObject
+    (TID_D3DRMFrame, nice_name.c_str(), NULL, 0, NULL, &data);
+  if (hr != DXFILE_OK) {
+    nout << "Unable to create frame object for " << name << "\n";
+    return false;
+  }
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::attach_and_release
+//       Access: Private
+//  Description: Assigns the indicated X data object to the indicated
+//               parent, and releases the pointer.
+////////////////////////////////////////////////////////////////////
+bool XFileMaker::
+attach_and_release(LPDIRECTXFILEDATA data, LPDIRECTXFILEDATA dx_parent) {
+  HRESULT hr;
+
+  if (dx_parent == NULL) {
+    // No parent; it's a toplevel object.
+    hr = _dx_file_save->SaveData(data);
+    if (hr != DXFILE_OK) {
+      nout << "Unable to save data object\n";
+      data->Release();
+      return false;
+    }
+  } else {
+    // Got a parent; it's a child of the indicated object.
+    hr = dx_parent->AddDataObject(data);
+    if (hr != DXFILE_OK) {
+      nout << "Unable to save data object\n";
+      data->Release();
+      return false;
+    }
+  }
+
+  data->Release();
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileMaker::make_nice_name
+//       Access: Private, Static
+//  Description: Transforms the indicated egg name to a name that is
+//               acceptable to the DirectX format.
+////////////////////////////////////////////////////////////////////
+string XFileMaker::
+make_nice_name(const string &str) {
+  string result;
+
+  string::const_iterator si;
+  for (si = str.begin(); si != str.end(); ++si) {
+    if (isalnum(*si)) {
+      result += *si;
+    } else {
+      result += "_";
+    }
+  }
+
+  return result;
+}

pandatool/src/xfile/xFileMaker.h

@@ -0,0 +1,73 @@
+// Filename: xFileMaker.h
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef XFILEMAKER_H
+#define XFILEMAKER_H
+
+#include <pandatoolbase.h>
+
+#include <filename.h>
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <d3d.h>
+#include <dxfile.h>
+#include <rmxfguid.h>
+#undef WIN32_LEAN_AND_MEAN
+
+class EggNode;
+class EggGroupNode;
+class EggGroup;
+class EggBin;
+class EggData;
+
+////////////////////////////////////////////////////////////////////
+//       Class : XFileMaker
+// Description : This class converts a Panda scene graph into a .X
+//               file and writes it out.
+////////////////////////////////////////////////////////////////////
+class XFileMaker {
+public:
+  XFileMaker();
+  ~XFileMaker();
+
+  bool open(const Filename &filename);
+  void close();
+
+  bool add_tree(EggData &egg_data);
+
+private:
+  bool add_node(EggNode *egg_node, LPDIRECTXFILEDATA dx_parent);
+  bool add_group(EggGroup *egg_group, LPDIRECTXFILEDATA dx_parent);
+  bool add_bin(EggBin *egg_bin, LPDIRECTXFILEDATA dx_parent);
+  bool add_polyset(EggBin *egg_bin, LPDIRECTXFILEDATA dx_parent);
+
+  bool recurse_nodes(EggGroupNode *egg_node, LPDIRECTXFILEDATA dx_parent);
+  bool create_frame(LPDIRECTXFILEDATA &data, const string &name);
+  bool attach_and_release(LPDIRECTXFILEDATA data, LPDIRECTXFILEDATA dx_parent);
+
+  static string make_nice_name(const string &str);
+
+  LPDIRECTXFILE _dx_file;
+  LPDIRECTXFILESAVEOBJECT _dx_file_save;
+
+  int _mesh_index;
+};
+
+#endif
+

pandatool/src/xfile/xFileVertex.cxx

@@ -0,0 +1,84 @@
+// Filename: xFileVertex.cxx
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 "xFileVertex.h"
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileVertex::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+XFileVertex::
+XFileVertex(const Vertexf &point) : 
+  _point(point),
+  _normal(0.0, 0.0, 0.0),
+  _uv(0.0, 0.0),
+  _color(1.0, 1.0, 1.0, 1.0)
+{
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileVertex::set_normal
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+void XFileVertex::
+set_normal(const Normalf &normal) {
+  _normal = normal;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileVertex::set_uv
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+void XFileVertex::
+set_uv(const TexCoordf &uv) {
+  _uv = uv;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileVertex::set_color
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+void XFileVertex::
+set_color(const Colorf &color) {
+  _color = color;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: XFileVertex::Ordering Operator
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+bool XFileVertex::
+operator < (const XFileVertex &other) const {
+  int ct;
+  ct = _point.compare_to(other._point);
+  if (ct == 0) {
+    ct = _normal.compare_to(other._normal);
+  }
+  if (ct == 0) {
+    ct = _uv.compare_to(other._uv);
+  }
+  if (ct == 0) {
+    ct = _color.compare_to(other._color);
+  }
+  return (ct < 0);
+}

pandatool/src/xfile/xFileVertex.h

@@ -0,0 +1,48 @@
+// Filename: xFileVertex.h
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef XFILEVERTEX_H
+#define XFILEVERTEX_H
+
+#include "pandatoolbase.h"
+#include "luse.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : XFileVertex
+// Description : This class represents a single Vertex as extracted
+//               from a Geom and added to the vertex pool.
+////////////////////////////////////////////////////////////////////
+class XFileVertex {
+public:
+  XFileVertex(const Vertexf &point);
+
+  void set_normal(const Normalf &normal);
+  void set_uv(const TexCoordf &uv);
+  void set_color(const Colorf &color);
+
+  bool operator < (const XFileVertex &other) const;
+
+private:
+  Vertexf _point;
+  Normalf _normal;
+  TexCoordf _uv;
+  Colorf _color;
+};
+
+#endif
+

pandatool/src/xfile/xFileVertexPool.h

@@ -0,0 +1,58 @@
+// Filename: xFileVertexPool.h
+// Created by:  drose (19Jun01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// 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 .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef XFILEVERTEXPOOL_H
+#define XFILEVERTEXPOOL_H
+
+#include "pandatoolbase.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : XFileVertexPool
+// Description : This is a collection of unique vertices as extracted
+//               out of a Geom or a series of Geoms.
+////////////////////////////////////////////////////////////////////
+class XFileVertexPool {
+public:
+  XFileVertexPool();
+  ~XFileVertexPool();
+
+  int add_vertex(const XFileVertex &vertex);
+
+  int get_num_vertices();
+  const Vertexf *get_vertices();
+  const Normalf *get_normals();
+  const TexCoordf *get_uvs();
+  const Colorf *get_colors();
+
+  
+
+  void set_normal(const Normalf &normal);
+  void set_uv(const TexCoordf &uv);
+  void set_color(const Colorf &color);
+
+  bool operator < (const XFileVertexPool &other) const;
+
+private:
+  Vertexf _point;
+  Normalf _normal;
+  TexCoordf _uv;
+  Colorf _color;
+};
+
+#endif
+