historical/toontown-classic.git/panda/include/lwoPolygons.h

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file lwoPolygons.h
* @author drose
* @date 2001-04-24
*/
#ifndef LWOPOLYGONS_H
#define LWOPOLYGONS_H
#include "pandatoolbase.h"
#include "lwoChunk.h"
#include "luse.h"
#include "vector_int.h"
#include "referenceCount.h"
#include "pointerTo.h"
/**
* An array of polygons that will be referenced by later chunks.
*/
class LwoPolygons : public LwoChunk {
public:
enum PolygonFlags {
PF_continuity_1 = 0x0400,
PF_continuity_2 = 0x0800,
PF_numverts_mask = 0x03f,
// This "flag" is stored artificially when reading 5.x LWOB files, and
// indicates that the polygon is a decal of a preceding polygon.
PF_decal = 0x0001
};
class Polygon : public ReferenceCount {
public:
int _flags;
vector_int _vertices;
// This value is only filled in when reading 5.x LWOB files, and indicates
// the surface index of the polygon within a preceding SRFS (LwoTags)
// chunk. For 6.x and later files, this will be set to -1.
int _surface_index;
};
int get_num_polygons() const;
Polygon *get_polygon(int n) const;
IffId _polygon_type;
public:
virtual bool read_iff(IffInputFile *in, size_t stop_at);
virtual void write(std::ostream &out, int indent_level = 0) const;
private:
typedef pvector< PT(Polygon) > Polygons;
Polygons _polygons;
public:
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
LwoChunk::init_type();
register_type(_type_handle, "LwoPolygons",
LwoChunk::get_class_type());
}
private:
static TypeHandle _type_handle;
};
#endif