virtualx-engine/servers/rendering/storage/particles_storage.h

/*************************************************************************/
/*  particles_storage.h                                                  */
/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
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#ifndef PARTICLES_STORAGE_H
#define PARTICLES_STORAGE_H

#include "servers/rendering_server.h"

class RendererParticlesStorage {
public:
	virtual ~RendererParticlesStorage() {}

	/* PARTICLES */

	virtual RID particles_allocate() = 0;
	virtual void particles_initialize(RID p_rid) = 0;
	virtual void particles_free(RID p_rid) = 0;

	virtual void particles_set_mode(RID p_particles, RS::ParticlesMode p_mode) = 0;

	virtual void particles_set_emitting(RID p_particles, bool p_emitting) = 0;
	virtual bool particles_get_emitting(RID p_particles) = 0;

	virtual void particles_set_amount(RID p_particles, int p_amount) = 0;
	virtual void particles_set_lifetime(RID p_particles, double p_lifetime) = 0;
	virtual void particles_set_one_shot(RID p_particles, bool p_one_shot) = 0;
	virtual void particles_set_pre_process_time(RID p_particles, double p_time) = 0;
	virtual void particles_set_explosiveness_ratio(RID p_particles, real_t p_ratio) = 0;
	virtual void particles_set_randomness_ratio(RID p_particles, real_t p_ratio) = 0;
	virtual void particles_set_custom_aabb(RID p_particles, const AABB &p_aabb) = 0;
	virtual void particles_set_speed_scale(RID p_particles, double p_scale) = 0;
	virtual void particles_set_use_local_coordinates(RID p_particles, bool p_enable) = 0;
	virtual void particles_set_process_material(RID p_particles, RID p_material) = 0;
	virtual RID particles_get_process_material(RID p_particles) const = 0;
	virtual void particles_set_fixed_fps(RID p_particles, int p_fps) = 0;
	virtual void particles_set_interpolate(RID p_particles, bool p_enable) = 0;
	virtual void particles_set_fractional_delta(RID p_particles, bool p_enable) = 0;
	virtual void particles_set_collision_base_size(RID p_particles, real_t p_size) = 0;

	virtual void particles_set_transform_align(RID p_particles, RS::ParticlesTransformAlign p_transform_align) = 0;

	virtual void particles_set_trails(RID p_particles, bool p_enable, double p_length) = 0;
	virtual void particles_set_trail_bind_poses(RID p_particles, const Vector<Transform3D> &p_bind_poses) = 0;

	virtual void particles_restart(RID p_particles) = 0;
	virtual void particles_emit(RID p_particles, const Transform3D &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) = 0;
	virtual void particles_set_subemitter(RID p_particles, RID p_subemitter_particles) = 0;

	virtual bool particles_is_inactive(RID p_particles) const = 0;

	virtual void particles_set_draw_order(RID p_particles, RS::ParticlesDrawOrder p_order) = 0;

	virtual void particles_set_draw_passes(RID p_particles, int p_count) = 0;
	virtual void particles_set_draw_pass_mesh(RID p_particles, int p_pass, RID p_mesh) = 0;

	virtual void particles_request_process(RID p_particles) = 0;
	virtual AABB particles_get_current_aabb(RID p_particles) = 0;
	virtual AABB particles_get_aabb(RID p_particles) const = 0;

	virtual void particles_set_emission_transform(RID p_particles, const Transform3D &p_transform) = 0;

	virtual int particles_get_draw_passes(RID p_particles) const = 0;
	virtual RID particles_get_draw_pass_mesh(RID p_particles, int p_pass) const = 0;

	virtual void particles_set_view_axis(RID p_particles, const Vector3 &p_axis, const Vector3 &p_up_axis) = 0;

	virtual void particles_add_collision(RID p_particles, RID p_particles_collision_instance) = 0;
	virtual void particles_remove_collision(RID p_particles, RID p_particles_collision_instance) = 0;

	virtual void particles_set_canvas_sdf_collision(RID p_particles, bool p_enable, const Transform2D &p_xform, const Rect2 &p_to_screen, RID p_texture) = 0;

	virtual void update_particles() = 0;

	/* PARTICLES COLLISION */

	virtual RID particles_collision_allocate() = 0;
	virtual void particles_collision_initialize(RID p_rid) = 0;
	virtual void particles_collision_free(RID p_rid) = 0;

	virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) = 0;
	virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) = 0;
	virtual void particles_collision_set_sphere_radius(RID p_particles_collision, real_t p_radius) = 0; //for spheres
	virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) = 0; //for non-spheres
	virtual void particles_collision_set_attractor_strength(RID p_particles_collision, real_t p_strength) = 0;
	virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, real_t p_directionality) = 0;
	virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, real_t p_curve) = 0;
	virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) = 0; //for SDF and vector field, heightfield is dynamic
	virtual void particles_collision_height_field_update(RID p_particles_collision) = 0; //for SDF and vector field
	virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) = 0; //for SDF and vector field
	virtual AABB particles_collision_get_aabb(RID p_particles_collision) const = 0;
	virtual bool particles_collision_is_heightfield(RID p_particles_collision) const = 0;
	virtual RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const = 0;

	//used from 2D and 3D
	virtual RID particles_collision_instance_create(RID p_collision) = 0;
	virtual void particles_collision_instance_free(RID p_rid) = 0;
	virtual void particles_collision_instance_set_transform(RID p_collision_instance, const Transform3D &p_transform) = 0;
	virtual void particles_collision_instance_set_active(RID p_collision_instance, bool p_active) = 0;
};

#endif // PARTICLES_STORAGE_H