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Diffstat (limited to 'scene/2d/cpu_particles_2d.h')
| -rw-r--r-- | scene/2d/cpu_particles_2d.h | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/scene/2d/cpu_particles_2d.h b/scene/2d/cpu_particles_2d.h new file mode 100644 index 0000000000..4f51eb1062 --- /dev/null +++ b/scene/2d/cpu_particles_2d.h @@ -0,0 +1,289 @@ +/*************************************************************************/ +/* cpu_particles_2d.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef CPU_PARTICLES_2D_H +#define CPU_PARTICLES_2D_H + +#include "core/rid.h" +#include "scene/2d/node_2d.h" +#include "scene/resources/texture.h" + +/** + @author Juan Linietsky <reduzio@gmail.com> +*/ + +class CPUParticles2D : public Node2D { +private: + GDCLASS(CPUParticles2D, Node2D); + +public: + enum DrawOrder { + DRAW_ORDER_INDEX, + DRAW_ORDER_LIFETIME, + }; + + enum Parameter { + + PARAM_INITIAL_LINEAR_VELOCITY, + PARAM_ANGULAR_VELOCITY, + PARAM_ORBIT_VELOCITY, + PARAM_LINEAR_ACCEL, + PARAM_RADIAL_ACCEL, + PARAM_TANGENTIAL_ACCEL, + PARAM_DAMPING, + PARAM_ANGLE, + PARAM_SCALE, + PARAM_HUE_VARIATION, + PARAM_ANIM_SPEED, + PARAM_ANIM_OFFSET, + PARAM_MAX + }; + + enum Flags { + FLAG_ALIGN_Y_TO_VELOCITY, + FLAG_ANIM_LOOP, + FLAG_MAX + }; + + enum EmissionShape { + EMISSION_SHAPE_POINT, + EMISSION_SHAPE_CIRCLE, + EMISSION_SHAPE_RECTANGLE, + EMISSION_SHAPE_POINTS, + EMISSION_SHAPE_DIRECTED_POINTS, + }; + +private: + bool emitting; + + struct Particle { + Transform2D transform; + Color color; + float custom[4]; + Vector2 velocity; + bool active; + float angle_rand; + float scale_rand; + float hue_rot_rand; + float anim_offset_rand; + float time; + Color base_color; + + uint32_t seed; + }; + + float time; + float inactive_time; + float frame_remainder; + int cycle; + + RID mesh; + RID multimesh; + + PoolVector<Particle> particles; + PoolVector<float> particle_data; + PoolVector<int> particle_order; + + struct SortLifetime { + const Particle *particles; + + bool operator()(int p_a, int p_b) const { + return particles[p_a].time < particles[p_b].time; + } + }; + + struct SortAxis { + const Particle *particles; + Vector2 axis; + bool operator()(int p_a, int p_b) const { + + return axis.dot(particles[p_a].transform[2]) < axis.dot(particles[p_b].transform[2]); + } + }; + + // + + bool one_shot; + + float lifetime; + float pre_process_time; + float explosiveness_ratio; + float randomness_ratio; + float speed_scale; + bool local_coords; + int fixed_fps; + bool fractional_delta; + + DrawOrder draw_order; + + Ref<Texture> texture; + Ref<Texture> normalmap; + + //////// + + float spread; + float flatness; + + float parameters[PARAM_MAX]; + float randomness[PARAM_MAX]; + + Ref<Curve> curve_parameters[PARAM_MAX]; + Color color; + Ref<Gradient> color_ramp; + + bool flags[FLAG_MAX]; + + EmissionShape emission_shape; + float emission_sphere_radius; + Vector2 emission_rect_extents; + PoolVector<Vector2> emission_points; + PoolVector<Vector2> emission_normals; + PoolVector<Color> emission_colors; + int emission_point_count; + + bool anim_loop; + Vector2 gravity; + + void _particles_process(float p_delta); + void _update_particle_data_buffer(); + + Mutex *update_mutex; + + void _update_render_thread(); + + void _update_mesh_texture(); + +protected: + static void _bind_methods(); + void _notification(int p_what); + virtual void _validate_property(PropertyInfo &property) const; + +public: + void set_emitting(bool p_emitting); + void set_amount(int p_amount); + void set_lifetime(float p_lifetime); + void set_one_shot(bool p_one_shot); + void set_pre_process_time(float p_time); + void set_explosiveness_ratio(float p_ratio); + void set_randomness_ratio(float p_ratio); + void set_visibility_aabb(const Rect2 &p_aabb); + void set_use_local_coordinates(bool p_enable); + void set_speed_scale(float p_scale); + + bool is_emitting() const; + int get_amount() const; + float get_lifetime() const; + bool get_one_shot() const; + float get_pre_process_time() const; + float get_explosiveness_ratio() const; + float get_randomness_ratio() const; + Rect2 get_visibility_aabb() const; + bool get_use_local_coordinates() const; + float get_speed_scale() const; + + void set_fixed_fps(int p_count); + int get_fixed_fps() const; + + void set_fractional_delta(bool p_enable); + bool get_fractional_delta() const; + + void set_draw_order(DrawOrder p_order); + DrawOrder get_draw_order() const; + + void set_draw_passes(int p_count); + int get_draw_passes() const; + + void set_texture(const Ref<Texture> &p_texture); + Ref<Texture> get_texture() const; + + void set_normalmap(const Ref<Texture> &p_normalmap); + Ref<Texture> get_normalmap() const; + + /////////////////// + + void set_spread(float p_spread); + float get_spread() const; + + void set_flatness(float p_flatness); + float get_flatness() const; + + void set_param(Parameter p_param, float p_value); + float get_param(Parameter p_param) const; + + void set_param_randomness(Parameter p_param, float p_value); + float get_param_randomness(Parameter p_param) const; + + void set_param_curve(Parameter p_param, const Ref<Curve> &p_curve); + Ref<Curve> get_param_curve(Parameter p_param) const; + + void set_color(const Color &p_color); + Color get_color() const; + + void set_color_ramp(const Ref<Gradient> &p_texture); + Ref<Gradient> get_color_ramp() const; + + void set_particle_flag(Flags p_flag, bool p_enable); + bool get_particle_flag(Flags p_flag) const; + + void set_emission_shape(EmissionShape p_shape); + void set_emission_sphere_radius(float p_radius); + void set_emission_rect_extents(Vector2 p_extents); + void set_emission_points(const PoolVector<Vector2> &p_points); + void set_emission_normals(const PoolVector<Vector2> &p_normals); + void set_emission_colors(const PoolVector<Color> &p_colors); + void set_emission_point_count(int p_count); + + EmissionShape get_emission_shape() const; + float get_emission_sphere_radius() const; + Vector2 get_emission_rect_extents() const; + PoolVector<Vector2> get_emission_points() const; + PoolVector<Vector2> get_emission_normals() const; + PoolVector<Color> get_emission_colors() const; + int get_emission_point_count() const; + + void set_gravity(const Vector2 &p_gravity); + Vector2 get_gravity() const; + + virtual String get_configuration_warning() const; + + void restart(); + + void convert_from_particles(Node *p_particles); + + CPUParticles2D(); + ~CPUParticles2D(); +}; + +VARIANT_ENUM_CAST(CPUParticles2D::DrawOrder) +VARIANT_ENUM_CAST(CPUParticles2D::Parameter) +VARIANT_ENUM_CAST(CPUParticles2D::Flags) +VARIANT_ENUM_CAST(CPUParticles2D::EmissionShape) + +#endif // CPU_PARTICLES_2D_H |