Panda3D
fltToEggConverter.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file fltToEggConverter.h
10  * @author drose
11  * @date 2001-04-17
12  */
13 
14 #ifndef FLTTOEGGCONVERTER_H
15 #define FLTTOEGGCONVERTER_H
16 
17 #include "pandatoolbase.h"
18 
19 #include "fltToEggLevelState.h"
21 #include "fltHeader.h"
22 #include "eggVertex.h"
23 #include "eggVertexPool.h"
24 #include "eggTexture.h"
25 #include "pt_EggTexture.h"
26 #include "pt_EggVertex.h"
27 #include "pointerTo.h"
28 #include "distanceUnit.h"
29 
30 class FltRecord;
31 class FltLOD;
32 class FltGroup;
33 class FltObject;
34 class FltBeadID;
35 class FltBead;
36 class FltVertex;
37 class FltGeometry;
38 class FltFace;
40 class FltTexture;
41 class EggGroupNode;
42 class EggPrimitive;
43 
44 /**
45  * This class supervises the construction of an EggData structure from the
46  * data represented by the FltHeader. Reading and writing the egg and flt
47  * structures is left to the user.
48  */
50 public:
54 
56 
57  virtual std::string get_name() const;
58  virtual std::string get_extension() const;
59  virtual bool supports_compressed() const;
60 
61  virtual bool convert_file(const Filename &filename);
62  virtual DistanceUnit get_input_units();
63  bool convert_flt(const FltHeader *flt_header);
64 
65  // Set this true to store transforms in egg files as the fully composed
66  // matrix, or false (the default) to keep them decomposed into elemental
67  // operations.
68  bool _compose_transforms;
69 
70 private:
71  void cleanup();
72 
74 
75  void convert_record(const FltRecord *flt_record, FltToEggLevelState &state);
76  void dispatch_record(const FltRecord *flt_record, FltToEggLevelState &state);
77  void convert_lod(const FltLOD *flt_lod, FltToEggLevelState &state);
78  void convert_group(const FltGroup *flt_group, FltToEggLevelState &state);
79  void convert_object(const FltObject *flt_object, FltToEggLevelState &state);
80  void convert_bead_id(const FltBeadID *flt_bead, FltToEggLevelState &state);
81  void convert_bead(const FltBead *flt_bead, FltToEggLevelState &state);
82  void convert_face(const FltFace *flt_face, FltToEggLevelState &state);
83  void convert_ext_ref(const FltExternalReference *flt_ext, FltToEggLevelState &state);
84 
85  void setup_geometry(const FltGeometry *flt_geom, FltToEggLevelState &state,
86  EggPrimitive *egg_prim, EggVertexPool *egg_vpool,
87  const EggVertices &vertices);
88 
89  void convert_subfaces(const FltRecord *flt_record, FltToEggLevelState &state);
90 
91  bool parse_comment(const FltBeadID *flt_bead, EggNode *egg_node);
92  bool parse_comment(const FltBead *flt_bead, EggNode *egg_node);
93  bool parse_comment(const FltTexture *flt_texture, EggNode *egg_node);
94  bool parse_comment(const std::string &comment, const std::string &name,
95  EggNode *egg_node);
96 
97  PT_EggVertex make_egg_vertex(const FltVertex *flt_vertex);
98  PT_EggTexture make_egg_texture(const FltTexture *flt_texture);
99 
100  CPT(FltHeader) _flt_header;
101  DistanceUnit _flt_units;
102 
103  PT(EggVertexPool) _main_egg_vpool;
104 
105  typedef pmap<const FltTexture *, PT(EggTexture) > Textures;
106  Textures _textures;
107 };
108 
109 #include "fltToEggConverter.I"
110 
111 #endif
pt_EggVertex.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
eggVertexPool.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pt_EggTexture.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pvector
This is our own Panda specialization on the default STL vector.
Definition: pvector.h:42
FltTexture
Represents a single texture in the texture palette.
Definition: fltTexture.h:27
FltBeadID
A base class for any of a broad family of flt beads that include an ID.
Definition: fltBeadID.h:24
pmap
This is our own Panda specialization on the default STL map.
Definition: pmap.h:49
FltGeometry
This is a base class for both FltFace and FltMesh, which are two different kinds of geometric primiti...
Definition: fltGeometry.h:33
fltHeader.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
fltToEggConverter.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
EggGroupNode
A base class for nodes in the hierarchy that are not leaf nodes.
Definition: eggGroupNode.h:46
eggTexture.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
EggPrimitive
A base class for any of a number of kinds of geometry primitives: polygons, point lights,...
Definition: eggPrimitive.h:49
FltToEggConverter::get_name
virtual std::string get_name() const
Returns the English name of the file type this converter supports.
Definition: fltToEggConverter.cxx:81
FltGroup
The main grouping bead of the flt file.
Definition: fltGroup.h:24
FltToEggConverter::get_input_units
virtual DistanceUnit get_input_units()
This may be called after convert_file() has been called and returned true, indicating a successful co...
Definition: fltToEggConverter.cxx:135
somethingToEggConverter.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
FltHeader
This is the first bead in the file, the top of the bead hierarchy, and the primary interface to readi...
Definition: fltHeader.h:44
FltLOD
A Level-of-Detail record.
Definition: fltLOD.h:24
SomethingToEggConverter
This is a base class for a family of converter classes that manage a conversion from some file type t...
Definition: somethingToEggConverter.h:38
FltRecord
The base class for all kinds of records in a MultiGen OpenFlight file.
Definition: fltRecord.h:36
FltToEggConverter::get_extension
virtual std::string get_extension() const
Returns the common extension of the file type this converter supports.
Definition: fltToEggConverter.cxx:89
eggVertex.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
FltVertex
Represents a single vertex in the vertex palette.
Definition: fltVertex.h:32
distanceUnit.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
FltObject
The main objecting bead of the flt file.
Definition: fltObject.h:24
FltToEggConverter::convert_flt
bool convert_flt(const FltHeader *flt_header)
Fills up the egg_data structure according to the indicated lwo structure.
Definition: fltToEggConverter.cxx:143
FltToEggConverter::make_copy
virtual SomethingToEggConverter * make_copy()
Allocates and returns a new copy of the converter.
Definition: fltToEggConverter.cxx:72
DistanceUnit
DistanceUnit
This enumerated type lists all the kinds of units we're likely to come across in model conversion pro...
Definition: distanceUnit.h:23
FltToEggLevelState
This keeps track of relevant things about the traversal as we walk through the flt hierarchy.
Definition: fltToEggLevelState.h:30
EggTexture
Defines a texture map that may be applied to geometry.
Definition: eggTexture.h:30
pandatoolbase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
EggVertexPool
A collection of vertices.
Definition: eggVertexPool.h:41
EggNode
A base class for things that may be directly added into the egg hierarchy.
Definition: eggNode.h:35
FltToEggConverter::supports_compressed
virtual bool supports_compressed() const
Returns true if this file type can transparently load compressed files (with a .pz extension),...
Definition: fltToEggConverter.cxx:98
FltBead
A base class for any of a broad family of flt records that represent particular beads in the hierarch...
Definition: fltBead.h:29
FltFace
A single face bead, e.g.
Definition: fltFace.h:24
pointerTo.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
Filename
The name of a file, such as a texture file or an Egg file.
Definition: filename.h:39
FltExternalReference
An external reference to another flt file (possibly to a specific bead within the flt file).
Definition: fltExternalReference.h:27
FltToEggConverter
This class supervises the construction of an EggData structure from the data represented by the FltHe...
Definition: fltToEggConverter.h:49
fltToEggLevelState.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
FltToEggConverter::convert_file
virtual bool convert_file(const Filename &filename)
Handles the reading of the input file and converting it to egg.
Definition: fltToEggConverter.cxx:111