128 lines
3.4 KiB
C
128 lines
3.4 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 lightLensNode.h
|
||
|
|
* @author drose
|
||
|
|
* @date 2002-03-26
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef LIGHTLENSNODE_H
|
||
|
|
#define LIGHTLENSNODE_H
|
||
|
|
|
||
|
|
#include "pandabase.h"
|
||
|
|
|
||
|
|
#include "light.h"
|
||
|
|
#include "camera.h"
|
||
|
|
#include "graphicsStateGuardianBase.h"
|
||
|
|
#include "graphicsOutputBase.h"
|
||
|
|
#include "atomicAdjust.h"
|
||
|
|
|
||
|
|
class ShaderGenerator;
|
||
|
|
class GraphicsStateGuardian;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A derivative of Light and of Camera. The name might be misleading: it does
|
||
|
|
* not directly derive from LensNode, but through the Camera class. The
|
||
|
|
* Camera serves no purpose unless shadows are enabled.
|
||
|
|
*/
|
||
|
|
class EXPCL_PANDA_PGRAPHNODES LightLensNode : public Light, public Camera {
|
||
|
|
PUBLISHED:
|
||
|
|
explicit LightLensNode(const std::string &name, Lens *lens = new PerspectiveLens());
|
||
|
|
virtual ~LightLensNode();
|
||
|
|
|
||
|
|
INLINE bool has_specular_color() const;
|
||
|
|
|
||
|
|
INLINE bool is_shadow_caster() const;
|
||
|
|
void set_shadow_caster(bool caster);
|
||
|
|
void set_shadow_caster(bool caster, int buffer_xsize, int buffer_ysize, int sort = -10);
|
||
|
|
|
||
|
|
INLINE int get_shadow_buffer_sort() const;
|
||
|
|
|
||
|
|
INLINE LVecBase2i get_shadow_buffer_size() const;
|
||
|
|
INLINE void set_shadow_buffer_size(const LVecBase2i &size);
|
||
|
|
|
||
|
|
INLINE GraphicsOutputBase *get_shadow_buffer(GraphicsStateGuardianBase *gsg);
|
||
|
|
|
||
|
|
PUBLISHED:
|
||
|
|
MAKE_PROPERTY(shadow_caster, is_shadow_caster);
|
||
|
|
MAKE_PROPERTY(shadow_buffer_size, get_shadow_buffer_size, set_shadow_buffer_size);
|
||
|
|
|
||
|
|
public:
|
||
|
|
INLINE void mark_used_by_auto_shader() const;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
LightLensNode(const LightLensNode ©);
|
||
|
|
void clear_shadow_buffers();
|
||
|
|
virtual void setup_shadow_map();
|
||
|
|
|
||
|
|
LVecBase2i _sb_size;
|
||
|
|
bool _shadow_caster;
|
||
|
|
bool _has_specular_color;
|
||
|
|
int _sb_sort;
|
||
|
|
mutable bool _used_by_auto_shader = false;
|
||
|
|
|
||
|
|
PT(Texture) _shadow_map;
|
||
|
|
|
||
|
|
// This is really a map of GSG -> GraphicsOutput.
|
||
|
|
typedef pmap<PT(GraphicsStateGuardianBase), PT(GraphicsOutputBase) > ShadowBuffers;
|
||
|
|
ShadowBuffers _sbuffers;
|
||
|
|
|
||
|
|
// This counts how many LightAttribs in the world are referencing this
|
||
|
|
// LightLensNode object.
|
||
|
|
AtomicAdjust::Integer _attrib_count;
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual void attrib_ref();
|
||
|
|
virtual void attrib_unref();
|
||
|
|
|
||
|
|
virtual PandaNode *as_node();
|
||
|
|
virtual Light *as_light();
|
||
|
|
|
||
|
|
PUBLISHED:
|
||
|
|
// We have to explicitly publish these because they resolve the multiple
|
||
|
|
// inheritance.
|
||
|
|
virtual void output(std::ostream &out) const;
|
||
|
|
virtual void write(std::ostream &out, int indent_level = 0) const;
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void fillin(DatagramIterator &scan, BamReader *manager);
|
||
|
|
|
||
|
|
public:
|
||
|
|
static TypeHandle get_class_type() {
|
||
|
|
return _type_handle;
|
||
|
|
}
|
||
|
|
static void init_type() {
|
||
|
|
Light::init_type();
|
||
|
|
Camera::init_type();
|
||
|
|
register_type(_type_handle, "LightLensNode",
|
||
|
|
Light::get_class_type(),
|
||
|
|
Camera::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;
|
||
|
|
|
||
|
|
friend class GraphicsStateGuardian;
|
||
|
|
};
|
||
|
|
|
||
|
|
INLINE std::ostream &operator << (std::ostream &out, const LightLensNode &light) {
|
||
|
|
light.output(out);
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "lightLensNode.I"
|
||
|
|
|
||
|
|
#endif
|