115 lines
3 KiB
C
115 lines
3 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 baseParticleRenderer.h
|
||
|
|
* @author charles
|
||
|
|
* @date 2000-06-20
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef BASEPARTICLERENDERER_H
|
||
|
|
#define BASEPARTICLERENDERER_H
|
||
|
|
|
||
|
|
#include "pandabase.h"
|
||
|
|
#include "referenceCount.h"
|
||
|
|
#include "physicsObject.h"
|
||
|
|
#include "renderState.h"
|
||
|
|
#include "geomNode.h"
|
||
|
|
#include "colorBlendAttrib.h"
|
||
|
|
#include "nodePath.h"
|
||
|
|
#include "particleCommonFuncs.h"
|
||
|
|
#include "baseParticle.h"
|
||
|
|
|
||
|
|
#include "pvector.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Pure virtual particle renderer base class
|
||
|
|
*/
|
||
|
|
class EXPCL_PANDA_PARTICLESYSTEM BaseParticleRenderer : public ReferenceCount {
|
||
|
|
PUBLISHED:
|
||
|
|
enum ParticleRendererAlphaMode {
|
||
|
|
PR_ALPHA_NONE,
|
||
|
|
PR_ALPHA_OUT,
|
||
|
|
PR_ALPHA_IN,
|
||
|
|
PR_ALPHA_IN_OUT,
|
||
|
|
PR_ALPHA_USER,
|
||
|
|
PR_NOT_INITIALIZED_YET
|
||
|
|
};
|
||
|
|
|
||
|
|
enum ParticleRendererBlendMethod {
|
||
|
|
PP_NO_BLEND,
|
||
|
|
PP_BLEND_LINEAR,
|
||
|
|
PP_BLEND_CUBIC
|
||
|
|
};
|
||
|
|
|
||
|
|
virtual ~BaseParticleRenderer();
|
||
|
|
|
||
|
|
INLINE GeomNode *get_render_node() const;
|
||
|
|
INLINE NodePath get_render_node_path() const;
|
||
|
|
|
||
|
|
INLINE void set_alpha_mode(ParticleRendererAlphaMode am);
|
||
|
|
INLINE ParticleRendererAlphaMode get_alpha_mode() const;
|
||
|
|
|
||
|
|
INLINE void set_user_alpha(PN_stdfloat ua);
|
||
|
|
INLINE PN_stdfloat get_user_alpha() const;
|
||
|
|
|
||
|
|
INLINE void set_color_blend_mode(ColorBlendAttrib::Mode bm, ColorBlendAttrib::Operand oa = ColorBlendAttrib::O_zero, ColorBlendAttrib::Operand ob = ColorBlendAttrib::O_zero);
|
||
|
|
|
||
|
|
void set_ignore_scale(bool ignore_scale);
|
||
|
|
INLINE bool get_ignore_scale() const;
|
||
|
|
|
||
|
|
virtual void output(std::ostream &out) const;
|
||
|
|
virtual void write(std::ostream &out, int indent=0) const;
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual BaseParticleRenderer *make_copy() = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
ParticleRendererAlphaMode _alpha_mode;
|
||
|
|
|
||
|
|
BaseParticleRenderer(ParticleRendererAlphaMode alpha_decay = PR_ALPHA_NONE);
|
||
|
|
BaseParticleRenderer(const BaseParticleRenderer& copy);
|
||
|
|
|
||
|
|
void update_alpha_mode(ParticleRendererAlphaMode am);
|
||
|
|
|
||
|
|
void enable_alpha();
|
||
|
|
void disable_alpha();
|
||
|
|
|
||
|
|
INLINE PN_stdfloat get_cur_alpha(BaseParticle* bp);
|
||
|
|
|
||
|
|
virtual void resize_pool(int new_size) = 0;
|
||
|
|
|
||
|
|
CPT(RenderState) _render_state;
|
||
|
|
|
||
|
|
private:
|
||
|
|
PT(GeomNode) _render_node;
|
||
|
|
NodePath _render_node_path;
|
||
|
|
|
||
|
|
PN_stdfloat _user_alpha;
|
||
|
|
bool _ignore_scale;
|
||
|
|
|
||
|
|
// birth and kill particle are for renderers that might do maintenance
|
||
|
|
// faster if it was notified on a per-event basis. An example:
|
||
|
|
// geomParticleRenderer maintains an arc for every particle. Instead of
|
||
|
|
// visiting EVERY entry in the arc array, individual arcs are changed on
|
||
|
|
// birth and death. Brings it down a little from O(N) every update.
|
||
|
|
|
||
|
|
virtual void birth_particle(int index) = 0;
|
||
|
|
virtual void kill_particle(int index) = 0;
|
||
|
|
|
||
|
|
|
||
|
|
virtual void init_geoms() = 0;
|
||
|
|
virtual void render(pvector< PT(PhysicsObject) >& po_vector,
|
||
|
|
int ttl_particles) = 0;
|
||
|
|
|
||
|
|
friend class ParticleSystem;
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "baseParticleRenderer.I"
|
||
|
|
|
||
|
|
#endif // BASEPARTICLERENDERER_H
|