331 lines
9.4 KiB
C++
331 lines
9.4 KiB
C++
/*************************************************************************/
|
|
/* particles_material.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. */
|
|
/*************************************************************************/
|
|
|
|
#include "core/rid.h"
|
|
#include "scene/resources/material.h"
|
|
|
|
#ifndef PARTICLES_MATERIAL_H
|
|
#define PARTICLES_MATERIAL_H
|
|
|
|
/*
|
|
TODO:
|
|
-Path following
|
|
*Manual emission
|
|
-Sub Emitters
|
|
-Attractors
|
|
-Emitter positions deformable by bones
|
|
-Collision
|
|
-Proper trails
|
|
*/
|
|
|
|
class ParticlesMaterial : public Material {
|
|
GDCLASS(ParticlesMaterial, Material);
|
|
|
|
public:
|
|
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
|
|
};
|
|
|
|
enum SubEmitterMode {
|
|
SUB_EMITTER_DISABLED,
|
|
SUB_EMITTER_CONSTANT,
|
|
SUB_EMITTER_AT_END,
|
|
SUB_EMITTER_AT_COLLISION,
|
|
SUB_EMITTER_MAX
|
|
};
|
|
|
|
private:
|
|
union MaterialKey {
|
|
struct {
|
|
uint32_t texture_mask : 16;
|
|
uint32_t texture_color : 1;
|
|
uint32_t flags : 4;
|
|
uint32_t emission_shape : 2;
|
|
uint32_t invalid_key : 1;
|
|
uint32_t has_emission_color : 1;
|
|
uint32_t sub_emitter : 2;
|
|
};
|
|
|
|
uint32_t key;
|
|
|
|
bool operator<(const MaterialKey &p_key) const {
|
|
return key < p_key.key;
|
|
}
|
|
};
|
|
|
|
struct ShaderData {
|
|
RID shader;
|
|
int users;
|
|
};
|
|
|
|
static Map<MaterialKey, ShaderData> shader_map;
|
|
|
|
MaterialKey current_key;
|
|
|
|
_FORCE_INLINE_ MaterialKey _compute_key() const {
|
|
MaterialKey mk;
|
|
mk.key = 0;
|
|
for (int i = 0; i < PARAM_MAX; i++) {
|
|
if (tex_parameters[i].is_valid()) {
|
|
mk.texture_mask |= (1 << i);
|
|
}
|
|
}
|
|
for (int i = 0; i < FLAG_MAX; i++) {
|
|
if (flags[i]) {
|
|
mk.flags |= (1 << i);
|
|
}
|
|
}
|
|
|
|
mk.texture_color = color_ramp.is_valid() ? 1 : 0;
|
|
mk.emission_shape = emission_shape;
|
|
mk.has_emission_color = emission_shape >= EMISSION_SHAPE_POINTS && emission_color_texture.is_valid();
|
|
mk.sub_emitter = sub_emitter_mode;
|
|
|
|
return mk;
|
|
}
|
|
|
|
static Mutex material_mutex;
|
|
static SelfList<ParticlesMaterial>::List *dirty_materials;
|
|
|
|
struct ShaderNames {
|
|
StringName direction;
|
|
StringName spread;
|
|
StringName flatness;
|
|
StringName initial_linear_velocity;
|
|
StringName initial_angle;
|
|
StringName angular_velocity;
|
|
StringName orbit_velocity;
|
|
StringName linear_accel;
|
|
StringName radial_accel;
|
|
StringName tangent_accel;
|
|
StringName damping;
|
|
StringName scale;
|
|
StringName hue_variation;
|
|
StringName anim_speed;
|
|
StringName anim_offset;
|
|
|
|
StringName initial_linear_velocity_random;
|
|
StringName initial_angle_random;
|
|
StringName angular_velocity_random;
|
|
StringName orbit_velocity_random;
|
|
StringName linear_accel_random;
|
|
StringName radial_accel_random;
|
|
StringName tangent_accel_random;
|
|
StringName damping_random;
|
|
StringName scale_random;
|
|
StringName hue_variation_random;
|
|
StringName anim_speed_random;
|
|
StringName anim_offset_random;
|
|
|
|
StringName angle_texture;
|
|
StringName angular_velocity_texture;
|
|
StringName orbit_velocity_texture;
|
|
StringName linear_accel_texture;
|
|
StringName radial_accel_texture;
|
|
StringName tangent_accel_texture;
|
|
StringName damping_texture;
|
|
StringName scale_texture;
|
|
StringName hue_variation_texture;
|
|
StringName anim_speed_texture;
|
|
StringName anim_offset_texture;
|
|
|
|
StringName color;
|
|
StringName color_ramp;
|
|
|
|
StringName emission_sphere_radius;
|
|
StringName emission_box_extents;
|
|
StringName emission_texture_point_count;
|
|
StringName emission_texture_points;
|
|
StringName emission_texture_normal;
|
|
StringName emission_texture_color;
|
|
|
|
StringName gravity;
|
|
|
|
StringName lifetime_randomness;
|
|
|
|
StringName sub_emitter_frequency;
|
|
StringName sub_emitter_amount_at_end;
|
|
StringName sub_emitter_keep_velocity;
|
|
};
|
|
|
|
static ShaderNames *shader_names;
|
|
|
|
SelfList<ParticlesMaterial> element;
|
|
|
|
void _update_shader();
|
|
_FORCE_INLINE_ void _queue_shader_change();
|
|
_FORCE_INLINE_ bool _is_shader_dirty() const;
|
|
|
|
Vector3 direction;
|
|
float spread;
|
|
float flatness;
|
|
|
|
float parameters[PARAM_MAX];
|
|
float randomness[PARAM_MAX];
|
|
|
|
Ref<Texture2D> tex_parameters[PARAM_MAX];
|
|
Color color;
|
|
Ref<Texture2D> color_ramp;
|
|
|
|
bool flags[FLAG_MAX];
|
|
|
|
EmissionShape emission_shape;
|
|
float emission_sphere_radius;
|
|
Vector3 emission_box_extents;
|
|
Ref<Texture2D> emission_point_texture;
|
|
Ref<Texture2D> emission_normal_texture;
|
|
Ref<Texture2D> emission_color_texture;
|
|
int emission_point_count;
|
|
|
|
bool anim_loop;
|
|
|
|
Vector3 gravity;
|
|
|
|
float lifetime_randomness;
|
|
|
|
SubEmitterMode sub_emitter_mode;
|
|
float sub_emitter_frequency;
|
|
int sub_emitter_amount_at_end;
|
|
bool sub_emitter_keep_velocity;
|
|
//do not save emission points here
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
virtual void _validate_property(PropertyInfo &property) const override;
|
|
|
|
public:
|
|
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_texture(Parameter p_param, const Ref<Texture2D> &p_texture);
|
|
Ref<Texture2D> get_param_texture(Parameter p_param) const;
|
|
|
|
void set_color(const Color &p_color);
|
|
Color get_color() const;
|
|
|
|
void set_color_ramp(const Ref<Texture2D> &p_texture);
|
|
Ref<Texture2D> get_color_ramp() const;
|
|
|
|
void set_flag(Flags p_flag, bool p_enable);
|
|
bool get_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_point_texture(const Ref<Texture2D> &p_points);
|
|
void set_emission_normal_texture(const Ref<Texture2D> &p_normals);
|
|
void set_emission_color_texture(const Ref<Texture2D> &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;
|
|
Ref<Texture2D> get_emission_point_texture() const;
|
|
Ref<Texture2D> get_emission_normal_texture() const;
|
|
Ref<Texture2D> get_emission_color_texture() const;
|
|
int get_emission_point_count() const;
|
|
|
|
void set_gravity(const Vector3 &p_gravity);
|
|
Vector3 get_gravity() const;
|
|
|
|
void set_lifetime_randomness(float p_lifetime);
|
|
float get_lifetime_randomness() const;
|
|
|
|
static void init_shaders();
|
|
static void finish_shaders();
|
|
static void flush_changes();
|
|
|
|
void set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode);
|
|
SubEmitterMode get_sub_emitter_mode() const;
|
|
|
|
void set_sub_emitter_frequency(float p_frequency);
|
|
float get_sub_emitter_frequency() const;
|
|
|
|
void set_sub_emitter_amount_at_end(int p_amount);
|
|
int get_sub_emitter_amount_at_end() const;
|
|
|
|
void set_sub_emitter_keep_velocity(bool p_enable);
|
|
bool get_sub_emitter_keep_velocity() const;
|
|
|
|
RID get_shader_rid() const;
|
|
|
|
virtual Shader::Mode get_shader_mode() const override;
|
|
|
|
ParticlesMaterial();
|
|
~ParticlesMaterial();
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(ParticlesMaterial::Parameter)
|
|
VARIANT_ENUM_CAST(ParticlesMaterial::Flags)
|
|
VARIANT_ENUM_CAST(ParticlesMaterial::EmissionShape)
|
|
VARIANT_ENUM_CAST(ParticlesMaterial::SubEmitterMode)
|
|
|
|
#endif // PARTICLES_MATERIAL_H
|