278 lines
8.5 KiB
C
278 lines
8.5 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file spriteParticleRenderer.h
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* @author charles
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* @date 2000-07-13
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*/
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#ifndef SPRITEPARTICLERENDERER_H
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#define SPRITEPARTICLERENDERER_H
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#include "pandabase.h"
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#include "pvector.h"
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#include "baseParticleRenderer.h"
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#include "baseParticle.h"
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#include "texture.h"
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#include "pointerTo.h"
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#include "geom.h"
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#include "geomVertexData.h"
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#include "geomPoints.h"
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#include "colorInterpolationManager.h"
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#include "geomVertexWriter.h"
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#include "textureCollection.h"
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#include "nodePathCollection.h"
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#include "vector_int.h"
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#include "pStatCollector.h"
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class NodePath;
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/**
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* Helper class used by SpriteParticleRenderer to keep track of the various
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* GeomVertexWriters associated with each geom created in
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* SpriteParticleRenderer::init_geoms().
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*/
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class SpriteWriter {
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public:
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SpriteWriter() {
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}
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SpriteWriter(const SpriteWriter ©):
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vertex(copy.vertex),
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color(copy.color),
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rotate(copy.rotate),
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size(copy.size),
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aspect_ratio(copy.aspect_ratio) {
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};
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void clear() {
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vertex.clear();
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color.clear();
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rotate.clear();
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size.clear();
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aspect_ratio.clear();
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}
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GeomVertexWriter vertex;
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GeomVertexWriter color;
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GeomVertexWriter rotate;
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GeomVertexWriter size;
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GeomVertexWriter aspect_ratio;
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};
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/**
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* Helper class used by SpriteParticleRenderer to keep track of its textures
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* and their respective UVs and source types.
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*/
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class SpriteAnim : public ReferenceCount{
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PUBLISHED:
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enum SourceType {
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ST_texture,
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ST_from_node,
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};
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void set_source_info(const std::string &tex) {
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_source_type = ST_texture;
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_source_tex = tex;
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}
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void set_source_info(const std::string &model, const std::string &node) {
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_source_type = ST_from_node;
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_source_model = model;
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_source_node = node;
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}
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SourceType get_source_type() const {
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return _source_type;
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}
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std::string get_tex_source() const {
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return _source_tex;
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}
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std::string get_model_source() const {
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return _source_model;
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}
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std::string get_node_source() const {
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return _source_node;
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}
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int get_num_frames() const {
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return textures.size();
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}
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public:
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SpriteAnim(Texture* t, LTexCoord ll, LTexCoord ur) {
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textures.push_back(t);
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this->ll.push_back(ll);
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this->ur.push_back(ur);
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};
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SpriteAnim(const TextureCollection &t, const pvector< LTexCoord > &lls, const pvector< LTexCoord > &urs) :
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ll(lls),
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ur(urs) {
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for (int i = 0; i < t.get_num_textures(); ++i) {
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textures.push_back(t.get_texture(i));
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}
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};
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void set_ll(const int n, LTexCoord c) {
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ll[n] = c;
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}
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void set_ur(const int n, LTexCoord c) {
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ur[n] = c;
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}
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Texture *get_frame(const int n) const {
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return textures[n];
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};
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LTexCoord get_ll(const int n) const {
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return ll[n];
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}
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LTexCoord get_ur(const int n) const {
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return ur[n];
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}
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private:
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pvector< PT(Texture) > textures;
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pvector< LTexCoord > ll,ur;
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SourceType _source_type;
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std::string _source_tex,_source_model,_source_node;
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};
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/**
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* Renders a particle system with high-speed nasty trick sprites.
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*/
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class EXPCL_PANDA_PARTICLESYSTEM SpriteParticleRenderer : public BaseParticleRenderer {
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PUBLISHED:
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explicit SpriteParticleRenderer(Texture *tex = nullptr);
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SpriteParticleRenderer(const SpriteParticleRenderer ©);
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virtual ~SpriteParticleRenderer();
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public:
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virtual BaseParticleRenderer *make_copy();
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PUBLISHED:
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void set_from_node(const NodePath &node_path, bool size_from_texels = false);
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void set_from_node(const NodePath &node_path, const std::string &model, const std::string &node, bool size_from_texels = false);
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void add_from_node(const NodePath &node_path, bool size_from_texels = false, bool resize = false);
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void add_from_node(const NodePath &node_path, const std::string &model, const std::string &node, bool size_from_texels = false, bool resize = false);
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INLINE void set_texture(Texture *tex, PN_stdfloat texels_per_unit = 1.0f);
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INLINE void add_texture(Texture *tex, PN_stdfloat texels_per_unit = 1.0f, bool resize = false);
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INLINE void remove_animation(const int n);
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INLINE void set_ll_uv(const LTexCoord &ll_uv);
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INLINE void set_ll_uv(const LTexCoord &ll_uv, const int anim, const int frame);
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INLINE void set_ur_uv(const LTexCoord &ur_uv);
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INLINE void set_ur_uv(const LTexCoord &ur_uv, const int anim, const int frame);
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INLINE void set_size(PN_stdfloat width, PN_stdfloat height);
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INLINE void set_color(const LColor &color);
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INLINE void set_x_scale_flag(bool animate_x_ratio);
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INLINE void set_y_scale_flag(bool animate_y_ratio);
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INLINE void set_anim_angle_flag(bool animate_theta);
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INLINE void set_initial_x_scale(PN_stdfloat initial_x_scale);
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INLINE void set_final_x_scale(PN_stdfloat final_x_scale);
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INLINE void set_initial_y_scale(PN_stdfloat initial_y_scale);
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INLINE void set_final_y_scale(PN_stdfloat final_y_scale);
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INLINE void set_nonanimated_theta(PN_stdfloat theta);
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INLINE void set_alpha_blend_method(ParticleRendererBlendMethod bm);
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INLINE void set_alpha_disable(bool ad);
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INLINE void set_animate_frames_enable(bool an);
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INLINE void set_animate_frames_rate(PN_stdfloat r);
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INLINE void set_animate_frames_index(int i);
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INLINE Texture *get_texture() const;
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INLINE Texture *get_texture(const int anim, const int frame) const;
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INLINE int get_num_anims() const;
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INLINE SpriteAnim *get_anim(const int n) const;
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MAKE_SEQ(get_anims, get_num_anims, get_anim);
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INLINE SpriteAnim *get_last_anim() const;
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INLINE ColorInterpolationManager* get_color_interpolation_manager() const;
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INLINE LTexCoord get_ll_uv() const;
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INLINE LTexCoord get_ll_uv(const int anim, const int frame) const;
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INLINE LTexCoord get_ur_uv() const;
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INLINE LTexCoord get_ur_uv(const int anim, const int frame) const;
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INLINE PN_stdfloat get_width() const;
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INLINE PN_stdfloat get_height() const;
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INLINE LColor get_color() const;
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INLINE bool get_x_scale_flag() const;
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INLINE bool get_y_scale_flag() const;
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INLINE bool get_anim_angle_flag() const;
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INLINE PN_stdfloat get_initial_x_scale() const;
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INLINE PN_stdfloat get_final_x_scale() const;
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INLINE PN_stdfloat get_initial_y_scale() const;
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INLINE PN_stdfloat get_final_y_scale() const;
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INLINE PN_stdfloat get_nonanimated_theta() const;
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INLINE ParticleRendererBlendMethod get_alpha_blend_method() const;
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INLINE bool get_alpha_disable() const;
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INLINE bool get_animate_frames_enable() const;
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INLINE PN_stdfloat get_animate_frames_rate() const;
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INLINE int get_animate_frames_index() const;
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent_level = 0) const;
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private:
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pvector< pvector< PT(Geom) > > _sprite_primitive;
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pvector< pvector< PT(GeomPoints) > > _sprites;
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pvector< pvector< SpriteWriter > > _sprite_writer;
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pvector< pvector< PT(GeomVertexData) > > _vdata;
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pvector< PT(SpriteAnim) > _anims; // Stores texture references and UV info for each geom.
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LColor _color;
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PN_stdfloat _height;
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PN_stdfloat _width;
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PN_stdfloat _initial_x_scale;
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PN_stdfloat _final_x_scale;
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PN_stdfloat _initial_y_scale;
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PN_stdfloat _final_y_scale;
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PN_stdfloat _theta;
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PN_stdfloat _base_y_scale;
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PN_stdfloat _aspect_ratio;
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PN_stdfloat _animate_frames_rate;
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int _animate_frames_index;
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bool _animate_x_ratio;
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bool _animate_y_ratio;
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bool _animate_theta;
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bool _alpha_disable;
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bool _animate_frames;
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bool _animation_removed;
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ParticleRendererBlendMethod _blend_method;
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PT(ColorInterpolationManager) _color_interpolation_manager;
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LVertex _aabb_min;
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LVertex _aabb_max;
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int _pool_size;
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virtual void birth_particle(int index);
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virtual void kill_particle(int index);
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virtual void init_geoms();
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virtual void render(pvector< PT(PhysicsObject) > &po_vector,
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int ttl_particles);
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virtual void resize_pool(int new_size);
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int extract_textures_from_node(const NodePath &node_path, NodePathCollection &np_col, TextureCollection &tex_col);
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vector_int _anim_size; // Holds the number of frames in each animation.
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pvector<int*> _ttl_count; // _ttl_count[i][j] holds the number of particles attached to animation 'i' at frame 'j'.
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vector_int _birth_list; // Holds the list of particles that need a new random animation to start on.
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static PStatCollector _render_collector;
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};
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#include "spriteParticleRenderer.I"
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#endif // SPRITEPARTICLERENDERER_H
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