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Diffstat (limited to 'scene/3d/cpu_particles_3d.h')
| -rw-r--r-- | scene/3d/cpu_particles_3d.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/scene/3d/cpu_particles_3d.h b/scene/3d/cpu_particles_3d.h new file mode 100644 index 0000000000..ffe0ecc9a9 --- /dev/null +++ b/scene/3d/cpu_particles_3d.h @@ -0,0 +1,298 @@ +/*************************************************************************/ +/* cpu_particles_3d.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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_H +#define CPU_PARTICLES_H + +#include "core/rid.h" +#include "scene/3d/visual_instance_3d.h" + +class CPUParticles3D : public GeometryInstance3D { +private: + GDCLASS(CPUParticles3D, GeometryInstance3D); + +public: + enum DrawOrder { + DRAW_ORDER_INDEX, + DRAW_ORDER_LIFETIME, + DRAW_ORDER_VIEW_DEPTH, + }; + + 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_ROTATE_Y, + FLAG_DISABLE_Z, + FLAG_MAX + }; + + enum EmissionShape { + EMISSION_SHAPE_POINT, + EMISSION_SHAPE_SPHERE, + EMISSION_SHAPE_BOX, + EMISSION_SHAPE_POINTS, + EMISSION_SHAPE_DIRECTED_POINTS, + EMISSION_SHAPE_MAX + }; + +private: + bool emitting; + + struct Particle { + Transform transform; + Color color; + float custom[4]; + Vector3 velocity; + bool active; + float angle_rand; + float scale_rand; + float hue_rot_rand; + float anim_offset_rand; + float time; + float lifetime; + Color base_color; + + uint32_t seed; + }; + + float time; + float inactive_time; + float frame_remainder; + int cycle; + bool redraw; + + RID multimesh; + + Vector<Particle> particles; + Vector<float> particle_data; + Vector<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; + Vector3 axis; + bool operator()(int p_a, int p_b) const { + + return axis.dot(particles[p_a].transform.origin) < axis.dot(particles[p_b].transform.origin); + } + }; + + // + + bool one_shot; + + float lifetime; + float pre_process_time; + float explosiveness_ratio; + float randomness_ratio; + float lifetime_randomness; + float speed_scale; + bool local_coords; + int fixed_fps; + bool fractional_delta; + + Transform inv_emission_transform; + + volatile bool can_update; + + DrawOrder draw_order; + + Ref<Mesh> mesh; + + //////// + + Vector3 direction; + 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; + Vector3 emission_box_extents; + Vector<Vector3> emission_points; + Vector<Vector3> emission_normals; + Vector<Color> emission_colors; + int emission_point_count; + + Vector3 gravity; + + void _update_internal(); + void _particles_process(float p_delta); + void _update_particle_data_buffer(); + + Mutex update_mutex; + + void _update_render_thread(); + + void _set_redraw(bool p_redraw); + +protected: + static void _bind_methods(); + void _notification(int p_what); + virtual void _validate_property(PropertyInfo &property) const; + +public: + AABB get_aabb() const; + Vector<Face3> get_faces(uint32_t p_usage_flags) const; + + 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_lifetime_randomness(float p_random); + void set_visibility_aabb(const AABB &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; + float get_lifetime_randomness() const; + AABB 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_mesh(const Ref<Mesh> &p_mesh); + Ref<Mesh> get_mesh() const; + + /////////////////// + + void set_direction(Vector3 p_direction); + Vector3 get_direction() 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_ramp); + 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_box_extents(Vector3 p_extents); + void set_emission_points(const Vector<Vector3> &p_points); + void set_emission_normals(const Vector<Vector3> &p_normals); + void set_emission_colors(const Vector<Color> &p_colors); + void set_emission_point_count(int p_count); + + EmissionShape get_emission_shape() const; + float get_emission_sphere_radius() const; + Vector3 get_emission_box_extents() const; + Vector<Vector3> get_emission_points() const; + Vector<Vector3> get_emission_normals() const; + Vector<Color> get_emission_colors() const; + int get_emission_point_count() const; + + void set_gravity(const Vector3 &p_gravity); + Vector3 get_gravity() const; + + virtual String get_configuration_warning() const; + + void restart(); + + void convert_from_particles(Node *p_particles); + + CPUParticles3D(); + ~CPUParticles3D(); +}; + +VARIANT_ENUM_CAST(CPUParticles3D::DrawOrder) +VARIANT_ENUM_CAST(CPUParticles3D::Parameter) +VARIANT_ENUM_CAST(CPUParticles3D::Flags) +VARIANT_ENUM_CAST(CPUParticles3D::EmissionShape) + +#endif // CPU_PARTICLES_H |