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Diffstat (limited to 'scene/resources/particles_material.h')
| -rw-r--r-- | scene/resources/particles_material.h | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h new file mode 100644 index 0000000000..91fdcc0346 --- /dev/null +++ b/scene/resources/particles_material.h @@ -0,0 +1,302 @@ +/*************************************************************************/ +/* particles_material.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. */ +/*************************************************************************/ + +#include "core/rid.h" +#include "scene/resources/material.h" + +#ifndef PARTICLES_MATERIAL_H +#define PARTICLES_MATERIAL_H + +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_ANIM_LOOP, + FLAG_MAX + }; + + enum EmissionShape { + EMISSION_SHAPE_POINT, + EMISSION_SHAPE_SPHERE, + EMISSION_SHAPE_BOX, + EMISSION_SHAPE_POINTS, + EMISSION_SHAPE_DIRECTED_POINTS, + }; + +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 trail_size_texture : 1; + uint32_t trail_color_texture : 1; + uint32_t invalid_key : 1; + uint32_t has_emission_color : 1; + }; + + 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.trail_color_texture = trail_color_modifier.is_valid() ? 1 : 0; + mk.trail_size_texture = trail_size_modifier.is_valid() ? 1 : 0; + mk.has_emission_color = emission_shape >= EMISSION_SHAPE_POINTS && emission_color_texture.is_valid(); + + return mk; + } + + static Mutex *material_mutex; + static SelfList<ParticlesMaterial>::List dirty_materials; + + struct ShaderNames { + 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 trail_divisor; + StringName trail_size_modifier; + StringName trail_color_modifier; + + StringName gravity; + }; + + static ShaderNames *shader_names; + + SelfList<ParticlesMaterial> element; + + void _update_shader(); + _FORCE_INLINE_ void _queue_shader_change(); + _FORCE_INLINE_ bool _is_shader_dirty() const; + + float spread; + float flatness; + + float parameters[PARAM_MAX]; + float randomness[PARAM_MAX]; + + Ref<Texture> tex_parameters[PARAM_MAX]; + Color color; + Ref<Texture> color_ramp; + + bool flags[FLAG_MAX]; + + EmissionShape emission_shape; + float emission_sphere_radius; + Vector3 emission_box_extents; + Ref<Texture> emission_point_texture; + Ref<Texture> emission_normal_texture; + Ref<Texture> emission_color_texture; + int emission_point_count; + + bool anim_loop; + + int trail_divisor; + + Ref<CurveTexture> trail_size_modifier; + Ref<GradientTexture> trail_color_modifier; + + Vector3 gravity; + + //do not save emission points here + +protected: + static void _bind_methods(); + virtual void _validate_property(PropertyInfo &property) const; + +public: + 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<Texture> &p_texture); + Ref<Texture> get_param_texture(Parameter p_param) const; + + void set_color(const Color &p_color); + Color get_color() const; + + void set_color_ramp(const Ref<Texture> &p_texture); + Ref<Texture> 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<Texture> &p_points); + void set_emission_normal_texture(const Ref<Texture> &p_normals); + void set_emission_color_texture(const Ref<Texture> &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<Texture> get_emission_point_texture() const; + Ref<Texture> get_emission_normal_texture() const; + Ref<Texture> get_emission_color_texture() const; + int get_emission_point_count() const; + + void set_trail_divisor(int p_divisor); + int get_trail_divisor() const; + + void set_trail_size_modifier(const Ref<CurveTexture> &p_trail_size_modifier); + Ref<CurveTexture> get_trail_size_modifier() const; + + void set_trail_color_modifier(const Ref<GradientTexture> &p_trail_color_modifier); + Ref<GradientTexture> get_trail_color_modifier() const; + + void set_gravity(const Vector3 &p_gravity); + Vector3 get_gravity() const; + + static void init_shaders(); + static void finish_shaders(); + static void flush_changes(); + + RID get_shader_rid() const; + + virtual Shader::Mode get_shader_mode() const; + + ParticlesMaterial(); + ~ParticlesMaterial(); +}; + +VARIANT_ENUM_CAST(ParticlesMaterial::Parameter) +VARIANT_ENUM_CAST(ParticlesMaterial::Flags) +VARIANT_ENUM_CAST(ParticlesMaterial::EmissionShape) + +#endif // PARTICLES_MATERIAL_H |