97 lines
2.6 KiB
C++
97 lines
2.6 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 occluderEffect.h
|
|
* @author drose
|
|
* @date 2011-03-17
|
|
*/
|
|
|
|
#ifndef OCCLUDEREFFECT_H
|
|
#define OCCLUDEREFFECT_H
|
|
|
|
#include "pandabase.h"
|
|
|
|
#include "occluderNode.h"
|
|
#include "renderEffect.h"
|
|
#include "nodePath.h"
|
|
#include "ordered_vector.h"
|
|
#include "pmap.h"
|
|
|
|
/**
|
|
* This functions similarly to a LightAttrib or ClipPlaneAttrib. It indicates
|
|
* the set of occluders that modify the geometry at this level and below.
|
|
* Unlike a ClipPlaneAttrib, an OccluderEffect takes effect immediately when
|
|
* it is encountered during traversal, and thus can only add occluders; it may
|
|
* not remove them.
|
|
*/
|
|
class EXPCL_PANDA_PGRAPH OccluderEffect : public RenderEffect {
|
|
private:
|
|
INLINE OccluderEffect();
|
|
INLINE OccluderEffect(const OccluderEffect ©);
|
|
|
|
PUBLISHED:
|
|
static CPT(RenderEffect) make();
|
|
|
|
INLINE int get_num_on_occluders() const;
|
|
INLINE NodePath get_on_occluder(int n) const;
|
|
MAKE_SEQ(get_on_occluders, get_num_on_occluders, get_on_occluder);
|
|
INLINE bool has_on_occluder(const NodePath &occluder) const;
|
|
|
|
INLINE bool is_identity() const;
|
|
|
|
CPT(RenderEffect) add_on_occluder(const NodePath &occluder) const;
|
|
CPT(RenderEffect) remove_on_occluder(const NodePath &occluder) const;
|
|
|
|
public:
|
|
virtual void output(std::ostream &out) const;
|
|
|
|
protected:
|
|
virtual int compare_to_impl(const RenderEffect *other) const;
|
|
|
|
private:
|
|
void sort_on_occluders();
|
|
|
|
private:
|
|
typedef ov_set<NodePath> Occluders;
|
|
Occluders _on_occluders;
|
|
|
|
UpdateSeq _sort_seq;
|
|
|
|
static CPT(RenderEffect) _empty_effect;
|
|
|
|
public:
|
|
static void register_with_read_factory();
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg);
|
|
virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
|
|
virtual bool require_fully_complete() const;
|
|
|
|
protected:
|
|
static TypedWritable *make_from_bam(const FactoryParams ¶ms);
|
|
void fillin(DatagramIterator &scan, BamReader *manager);
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
RenderEffect::init_type();
|
|
register_type(_type_handle, "OccluderEffect",
|
|
RenderEffect::get_class_type());
|
|
}
|
|
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;
|
|
};
|
|
|
|
#include "occluderEffect.I"
|
|
|
|
#endif
|