historical/toontown-classic.git/panda/include/clipPlaneAttrib.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 clipPlaneAttrib.h
* @author drose
* @date 2002-07-11
*/
#ifndef CLIPPINGPLANEATTRIB_H
#define CLIPPINGPLANEATTRIB_H
#include "pandabase.h"
#include "planeNode.h"
#include "renderAttrib.h"
#include "nodePath.h"
#include "ordered_vector.h"
#include "pmap.h"
/**
* This functions similarly to a LightAttrib. It indicates the set of
* clipping planes that modify the geometry at this level and below. A
* ClipPlaneAttrib can either add planes or remove planes from the total set
* of clipping planes in effect.
*/
class EXPCL_PANDA_PGRAPH ClipPlaneAttrib : public RenderAttrib {
private:
INLINE ClipPlaneAttrib();
INLINE ClipPlaneAttrib(const ClipPlaneAttrib &copy);
PUBLISHED:
// This is the old, deprecated interface to ClipPlaneAttrib. Do not use any
// of these methods for new code; these methods will be removed soon.
enum Operation {
O_set,
O_add,
O_remove
};
static CPT(RenderAttrib) make(Operation op,
PlaneNode *plane);
static CPT(RenderAttrib) make(Operation op,
PlaneNode *plane1, PlaneNode *plane2);
static CPT(RenderAttrib) make(Operation op,
PlaneNode *plane1, PlaneNode *plane2,
PlaneNode *plane3);
static CPT(RenderAttrib) make(Operation op,
PlaneNode *plane1, PlaneNode *plane2,
PlaneNode *plane3, PlaneNode *plane4);
static CPT(RenderAttrib) make_default();
Operation get_operation() const;
int get_num_planes() const;
PlaneNode *get_plane(int n) const;
bool has_plane(PlaneNode *plane) const;
CPT(RenderAttrib) add_plane(PlaneNode *plane) const;
CPT(RenderAttrib) remove_plane(PlaneNode *plane) const;
// The following is the new, more general interface to the ClipPlaneAttrib.
static CPT(RenderAttrib) make();
static CPT(RenderAttrib) make_all_off();
INLINE int get_num_on_planes() const;
INLINE NodePath get_on_plane(int n) const;
MAKE_SEQ(get_on_planes, get_num_on_planes, get_on_plane);
INLINE bool has_on_plane(const NodePath &plane) const;
INLINE int get_num_off_planes() const;
INLINE NodePath get_off_plane(int n) const;
MAKE_SEQ(get_off_planes, get_num_off_planes, get_off_plane);
INLINE bool has_off_plane(const NodePath &plane) const;
INLINE bool has_all_off() const;
INLINE bool is_identity() const;
CPT(RenderAttrib) add_on_plane(const NodePath &plane) const;
CPT(RenderAttrib) remove_on_plane(const NodePath &plane) const;
CPT(RenderAttrib) add_off_plane(const NodePath &plane) const;
CPT(RenderAttrib) remove_off_plane(const NodePath &plane) const;
CPT(ClipPlaneAttrib) filter_to_max(int max_clip_planes) const;
public:
CPT(RenderAttrib) compose_off(const RenderAttrib *other) const;
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:
INLINE void check_filtered() const;
void sort_on_planes();
private:
typedef ov_set<NodePath> Planes;
Planes _on_planes, _off_planes;
bool _off_all_planes;
typedef pmap< int, CPT(ClipPlaneAttrib) > Filtered;
Filtered _filtered;
UpdateSeq _sort_seq;
static CPT(RenderAttrib) _empty_attrib;
static CPT(RenderAttrib) _all_off_attrib;
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:
// This data is only needed when reading from a bam file.
typedef pvector<PT(PandaNode) > NodeList;
class BamAuxData : public BamReader::AuxData {
public:
// We hold a pointer to each of the PandaNodes on the on_list and
// off_list. We will later convert these to NodePaths in
// finalize().
int _num_off_planes;
int _num_on_planes;
NodeList _off_list;
NodeList _on_list;
};
public:
static void register_with_read_factory();
virtual void write_datagram(BamWriter *manager, Datagram &dg);
virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
virtual void finalize(BamReader *manager);
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, "ClipPlaneAttrib",
RenderAttrib::get_class_type());
_attrib_slot = register_slot(_type_handle, 100, new ClipPlaneAttrib);
}
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 "clipPlaneAttrib.I"
#endif