historical/toontown-classic.git/panda/include/cullFaceAttrib.h
2024-01-16 11:20:27 -06:00

105 lines
2.8 KiB
C++

/**
* 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 cullFaceAttrib.h
* @author drose
* @date 2002-02-27
*/
#ifndef CULLFACEATTRIB_H
#define CULLFACEATTRIB_H
#include "pandabase.h"
#include "renderAttrib.h"
class FactoryParams;
/**
* Indicates which faces should be culled based on their vertex ordering.
*/
class EXPCL_PANDA_PGRAPH CullFaceAttrib : public RenderAttrib {
PUBLISHED:
enum Mode {
M_cull_none, // Cull no polygons
M_cull_clockwise, // Cull clockwise-oriented polygons
M_cull_counter_clockwise, // Cull counter-clockwise-oriented polygons
M_cull_unchanged, // Do not change existing cull behavior
};
private:
INLINE CullFaceAttrib(Mode mode, bool reverse);
PUBLISHED:
static CPT(RenderAttrib) make(Mode mode = M_cull_clockwise);
static CPT(RenderAttrib) make_reverse();
static CPT(RenderAttrib) make_default();
INLINE Mode get_actual_mode() const;
INLINE bool get_reverse() const;
Mode get_effective_mode() const;
PUBLISHED:
MAKE_PROPERTY(mode, get_actual_mode);
MAKE_PROPERTY(reverse, get_reverse);
MAKE_PROPERTY(effective_mode, get_effective_mode);
public:
virtual void output(std::ostream &out) const;
protected:
virtual int compare_to_impl(const RenderAttrib *other) const;
virtual size_t get_hash_impl() const;
virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
private:
Mode _mode;
bool _reverse;
PUBLISHED:
static int get_class_slot() {
return _attrib_slot;
}
virtual int get_slot() const {
return get_class_slot();
}
MAKE_PROPERTY(class_slot, get_class_slot);
public:
static void register_with_read_factory();
virtual void write_datagram(BamWriter *manager, Datagram &dg);
protected:
static TypedWritable *make_from_bam(const FactoryParams &params);
void fillin(DatagramIterator &scan, BamReader *manager);
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
RenderAttrib::init_type();
register_type(_type_handle, "CullFaceAttrib",
RenderAttrib::get_class_type());
_attrib_slot = register_slot(_type_handle, 100,
new CullFaceAttrib(M_cull_clockwise, false));
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
static int _attrib_slot;
};
#include "cullFaceAttrib.I"
#endif