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Diffstat (limited to 'scene/resources/particle_process_material.cpp')
| -rw-r--r-- | scene/resources/particle_process_material.cpp | 1895 |
1 files changed, 1895 insertions, 0 deletions
diff --git a/scene/resources/particle_process_material.cpp b/scene/resources/particle_process_material.cpp new file mode 100644 index 0000000000..ed19101de4 --- /dev/null +++ b/scene/resources/particle_process_material.cpp @@ -0,0 +1,1895 @@ +/*************************************************************************/ +/* particle_process_material.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 "particle_process_material.h" + +#include "core/version.h" + +Mutex ParticleProcessMaterial::material_mutex; +SelfList<ParticleProcessMaterial>::List *ParticleProcessMaterial::dirty_materials = nullptr; +HashMap<ParticleProcessMaterial::MaterialKey, ParticleProcessMaterial::ShaderData, ParticleProcessMaterial::MaterialKey> ParticleProcessMaterial::shader_map; +ParticleProcessMaterial::ShaderNames *ParticleProcessMaterial::shader_names = nullptr; + +void ParticleProcessMaterial::init_shaders() { + dirty_materials = memnew(SelfList<ParticleProcessMaterial>::List); + + shader_names = memnew(ShaderNames); + + shader_names->direction = "direction"; + shader_names->spread = "spread"; + shader_names->flatness = "flatness"; + shader_names->initial_linear_velocity_min = "initial_linear_velocity_min"; + shader_names->initial_angle_min = "initial_angle_min"; + shader_names->angular_velocity_min = "angular_velocity_min"; + shader_names->orbit_velocity_min = "orbit_velocity_min"; + shader_names->linear_accel_min = "linear_accel_min"; + shader_names->radial_accel_min = "radial_accel_min"; + shader_names->tangent_accel_min = "tangent_accel_min"; + shader_names->damping_min = "damping_min"; + shader_names->scale_min = "scale_min"; + shader_names->hue_variation_min = "hue_variation_min"; + shader_names->anim_speed_min = "anim_speed_min"; + shader_names->anim_offset_min = "anim_offset_min"; + + shader_names->initial_linear_velocity_max = "initial_linear_velocity_max"; + shader_names->initial_angle_max = "initial_angle_max"; + shader_names->angular_velocity_max = "angular_velocity_max"; + shader_names->orbit_velocity_max = "orbit_velocity_max"; + shader_names->linear_accel_max = "linear_accel_max"; + shader_names->radial_accel_max = "radial_accel_max"; + shader_names->tangent_accel_max = "tangent_accel_max"; + shader_names->damping_max = "damping_max"; + shader_names->scale_max = "scale_max"; + shader_names->hue_variation_max = "hue_variation_max"; + shader_names->anim_speed_max = "anim_speed_max"; + shader_names->anim_offset_max = "anim_offset_max"; + + shader_names->angle_texture = "angle_texture"; + shader_names->angular_velocity_texture = "angular_velocity_texture"; + shader_names->orbit_velocity_texture = "orbit_velocity_texture"; + shader_names->linear_accel_texture = "linear_accel_texture"; + shader_names->radial_accel_texture = "radial_accel_texture"; + shader_names->tangent_accel_texture = "tangent_accel_texture"; + shader_names->damping_texture = "damping_texture"; + shader_names->scale_texture = "scale_texture"; + shader_names->hue_variation_texture = "hue_variation_texture"; + shader_names->anim_speed_texture = "anim_speed_texture"; + shader_names->anim_offset_texture = "anim_offset_texture"; + + shader_names->color = "color_value"; + shader_names->color_ramp = "color_ramp"; + shader_names->color_initial_ramp = "color_initial_ramp"; + + shader_names->emission_sphere_radius = "emission_sphere_radius"; + shader_names->emission_box_extents = "emission_box_extents"; + shader_names->emission_texture_point_count = "emission_texture_point_count"; + shader_names->emission_texture_points = "emission_texture_points"; + shader_names->emission_texture_normal = "emission_texture_normal"; + shader_names->emission_texture_color = "emission_texture_color"; + shader_names->emission_ring_axis = "emission_ring_axis"; + shader_names->emission_ring_height = "emission_ring_height"; + shader_names->emission_ring_radius = "emission_ring_radius"; + shader_names->emission_ring_inner_radius = "emission_ring_inner_radius"; + + shader_names->turbulence_enabled = "turbulence_enabled"; + shader_names->turbulence_noise_strength = "turbulence_noise_strength"; + shader_names->turbulence_noise_scale = "turbulence_noise_scale"; + shader_names->turbulence_noise_speed = "turbulence_noise_speed"; + shader_names->turbulence_noise_speed_random = "turbulence_noise_speed_random"; + shader_names->turbulence_influence_over_life = "turbulence_influence_over_life"; + shader_names->turbulence_influence_min = "turbulence_influence_min"; + shader_names->turbulence_influence_max = "turbulence_influence_max"; + shader_names->turbulence_initial_displacement_min = "turbulence_initial_displacement_min"; + shader_names->turbulence_initial_displacement_max = "turbulence_initial_displacement_max"; + + shader_names->gravity = "gravity"; + + shader_names->lifetime_randomness = "lifetime_randomness"; + + shader_names->sub_emitter_frequency = "sub_emitter_frequency"; + shader_names->sub_emitter_amount_at_end = "sub_emitter_amount_at_end"; + shader_names->sub_emitter_keep_velocity = "sub_emitter_keep_velocity"; + + shader_names->collision_friction = "collision_friction"; + shader_names->collision_bounce = "collision_bounce"; +} + +void ParticleProcessMaterial::finish_shaders() { + memdelete(dirty_materials); + dirty_materials = nullptr; + + memdelete(shader_names); +} + +void ParticleProcessMaterial::_update_shader() { + dirty_materials->remove(&element); + + MaterialKey mk = _compute_key(); + if (mk.key == current_key.key) { + return; //no update required in the end + } + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + RS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + } + + current_key = mk; + + if (shader_map.has(mk)) { + RS::get_singleton()->material_set_shader(_get_material(), shader_map[mk].shader); + shader_map[mk].users++; + return; + } + //must create a shader! + + // Add a comment to describe the shader origin (useful when converting to ShaderMaterial). + String code = "// NOTE: Shader automatically converted from " VERSION_NAME " " VERSION_FULL_CONFIG "'s ParticleProcessMaterial.\n\n"; + + code += "shader_type particles;\n"; + + if (collision_scale) { + code += "render_mode collision_use_scale;\n"; + } + + code += "uniform vec3 direction;\n"; + code += "uniform float spread;\n"; + code += "uniform float flatness;\n"; + code += "uniform float initial_linear_velocity_min;\n"; + code += "uniform float initial_angle_min;\n"; + code += "uniform float angular_velocity_min;\n"; + code += "uniform float orbit_velocity_min;\n"; + code += "uniform float linear_accel_min;\n"; + code += "uniform float radial_accel_min;\n"; + code += "uniform float tangent_accel_min;\n"; + code += "uniform float damping_min;\n"; + code += "uniform float scale_min;\n"; + code += "uniform float hue_variation_min;\n"; + code += "uniform float anim_speed_min;\n"; + code += "uniform float anim_offset_min;\n"; + + code += "uniform float initial_linear_velocity_max;\n"; + code += "uniform float initial_angle_max;\n"; + code += "uniform float angular_velocity_max;\n"; + code += "uniform float orbit_velocity_max;\n"; + code += "uniform float linear_accel_max;\n"; + code += "uniform float radial_accel_max;\n"; + code += "uniform float tangent_accel_max;\n"; + code += "uniform float damping_max;\n"; + code += "uniform float scale_max;\n"; + code += "uniform float hue_variation_max;\n"; + code += "uniform float anim_speed_max;\n"; + code += "uniform float anim_offset_max;\n"; + code += "uniform float lifetime_randomness;\n"; + + switch (emission_shape) { + case EMISSION_SHAPE_POINT: { + //do none + } break; + case EMISSION_SHAPE_SPHERE: { + code += "uniform float emission_sphere_radius;\n"; + } break; + case EMISSION_SHAPE_SPHERE_SURFACE: { + code += "uniform float emission_sphere_radius;\n"; + } break; + case EMISSION_SHAPE_BOX: { + code += "uniform vec3 emission_box_extents;\n"; + } break; + case EMISSION_SHAPE_DIRECTED_POINTS: { + code += "uniform sampler2D emission_texture_normal : hint_default_black;\n"; + [[fallthrough]]; + } + case EMISSION_SHAPE_POINTS: { + code += "uniform sampler2D emission_texture_points : hint_default_black;\n"; + code += "uniform int emission_texture_point_count;\n"; + if (emission_color_texture.is_valid()) { + code += "uniform sampler2D emission_texture_color : hint_default_white;\n"; + } + } break; + case EMISSION_SHAPE_RING: { + code += "uniform vec3 " + shader_names->emission_ring_axis + ";\n"; + code += "uniform float " + shader_names->emission_ring_height + ";\n"; + code += "uniform float " + shader_names->emission_ring_radius + ";\n"; + code += "uniform float " + shader_names->emission_ring_inner_radius + ";\n"; + } break; + case EMISSION_SHAPE_MAX: { // Max value for validity check. + break; + } + } + + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + if (sub_emitter_mode == SUB_EMITTER_CONSTANT) { + code += "uniform float sub_emitter_frequency;\n"; + } + if (sub_emitter_mode == SUB_EMITTER_AT_END) { + code += "uniform int sub_emitter_amount_at_end;\n"; + } + code += "uniform bool sub_emitter_keep_velocity;\n"; + } + + code += "uniform vec4 color_value : source_color;\n"; + + code += "uniform vec3 gravity;\n"; + + if (color_ramp.is_valid()) { + code += "uniform sampler2D color_ramp : repeat_disable;\n"; + } + + if (color_initial_ramp.is_valid()) { + code += "uniform sampler2D color_initial_ramp : repeat_disable;\n"; + } + + if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + code += "uniform sampler2D linear_velocity_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid()) { + code += "uniform sampler2D orbit_velocity_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { + code += "uniform sampler2D angular_velocity_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_LINEAR_ACCEL].is_valid()) { + code += "uniform sampler2D linear_accel_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_RADIAL_ACCEL].is_valid()) { + code += "uniform sampler2D radial_accel_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { + code += "uniform sampler2D tangent_accel_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_DAMPING].is_valid()) { + code += "uniform sampler2D damping_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_ANGLE].is_valid()) { + code += "uniform sampler2D angle_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_SCALE].is_valid()) { + code += "uniform sampler2D scale_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_HUE_VARIATION].is_valid()) { + code += "uniform sampler2D hue_variation_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_ANIM_SPEED].is_valid()) { + code += "uniform sampler2D anim_speed_texture : repeat_disable;\n"; + } + if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) { + code += "uniform sampler2D anim_offset_texture : repeat_disable;\n"; + } + + if (collision_mode == COLLISION_RIGID) { + code += "uniform float collision_friction;\n"; + code += "uniform float collision_bounce;\n"; + } + + if (turbulence_enabled) { + code += "uniform float turbulence_noise_strength;\n"; + code += "uniform float turbulence_noise_scale;\n"; + code += "uniform float turbulence_influence_min;\n"; + code += "uniform float turbulence_influence_max;\n"; + code += "uniform float turbulence_initial_displacement_min;\n"; + code += "uniform float turbulence_initial_displacement_max;\n"; + code += "uniform float turbulence_noise_speed_random;\n"; + code += "uniform vec3 turbulence_noise_speed = vec3(1.0, 1.0, 1.0);\n"; + if (tex_parameters[PARAM_TURB_INFLUENCE_OVER_LIFE].is_valid()) { + code += "uniform sampler2D turbulence_influence_over_life;\n"; + } + if (turbulence_color_ramp.is_valid()) { + code += "uniform sampler2D turbulence_color_ramp;\n"; + } + code += "\n"; + + //functions for 3D noise / turbulence + code += "\n\n"; + code += "// 3D Noise with friendly permission by Inigo Quilez\n"; + code += "vec3 hash_noise( vec3 p ) {\n"; + code += " p *= mat3(vec3(127.1, 311.7, -53.7), vec3(269.5, 183.3, 77.1), vec3(-301.7, 27.3, 215.3));\n"; + code += " return 2.0 * fract(fract(p)*4375.55) -1.;\n"; + code += "}\n"; + code += "\n"; + code += "float noise( vec3 p) {\n"; + code += " vec3 i = floor(p);;\n"; + code += " vec3 f = fract(p);\n "; + code += " vec3 u = f * f * (3.0 - 2.0 * f);\n"; + code += "\n"; + code += " return 2.0*mix( mix( mix( dot( hash_noise( i + vec3(0.0,0.0,0.0) ), f - vec3(0.0,0.0,0.0) ), dot( hash_noise( i + vec3(1.0,0.0,0.0) ), f - vec3(1.0,0.0,0.0) ), u.x),\n"; + code += " mix( dot( hash_noise( i + vec3(0.0,1.0,0.0) ), f - vec3(0.0,1.0,0.0) ), dot( hash_noise( i + vec3(1.0,1.0,0.0) ), f - vec3(1.0,1.0,0.0) ), u.x), u.y),\n"; + code += " mix( mix( dot( hash_noise( i + vec3(0.0,0.0,1.0) ), f - vec3(0.0,0.0,1.0) ), dot( hash_noise( i + vec3(1.0,0.0,1.0) ), f - vec3(1.0,0.0,1.0) ), u.x),\n"; + code += " mix( dot( hash_noise( i + vec3(0.0,1.0,1.0) ), f - vec3(0.0,1.0,1.0) ), dot( hash_noise( i + vec3(1.0,1.0,1.0) ), f - vec3(1.0,1.0,1.0) ), u.x), u.y), u.z);\n"; + code += "}\n\n"; + code += "// Curl 3D and noise_3d function with friendly permission by Isaac Cohen\n"; + code += "vec3 noise_3d(vec3 p) {\n"; + code += " float s = noise(p);\n"; + code += " float s1 = noise(vec3(p.y - 19.1, p.z + 33.4, p.x + 47.2));\n"; + code += " float s2 = noise(vec3(p.z + 74.2, p.x - 124.5, p.y + 99.4));\n"; + code += " vec3 c = vec3(s, s1, s2);\n"; + code += " return c;\n"; + code += "}\n\n"; + code += "vec3 curl_3d(vec3 p, float c) {\n"; + code += " float epsilon = 0.001 + c;\n"; + code += " vec3 dx = vec3(epsilon, 0.0, 0.0);\n"; + code += " vec3 dy = vec3(0.0, epsilon, 0.0);\n"; + code += " vec3 dz = vec3(0.0, 0.0, epsilon);\n"; + code += " vec3 x0 = noise_3d(p - dx).xyz;\n"; + code += " vec3 x1 = noise_3d(p + dx).xyz;\n"; + code += " vec3 y0 = noise_3d(p - dy).xyz;\n"; + code += " vec3 y1 = noise_3d(p + dy).xyz;\n"; + code += " vec3 z0 = noise_3d(p - dz).xyz;\n"; + code += " vec3 z1 = noise_3d(p + dz).xyz;\n"; + code += " float x = y1.z - y0.z - z1.y + z0.y;\n"; + code += " float y = z1.x - z0.x - x1.z + x0.z;\n"; + code += " float z = x1.y - x0.y - y1.x + y0.x;\n"; + code += " float divisor = 1.0 / (2.0 * epsilon);\n"; + code += " return vec3(normalize(vec3(x, y, z) * divisor));\n"; + code += "}\n"; + code += "vec3 get_noise_direction(vec3 pos, vec3 emission_pos, vec3 time_noise) {\n"; + code += " float adj_contrast = max((turbulence_noise_strength - 1.0), 0.0) * 70.0;\n"; + code += " vec3 noise_time = (vec3(TIME) * turbulence_noise_speed) + time_noise;\n"; + code += " vec3 noise_pos = (pos * turbulence_noise_scale) - emission_pos;\n"; + code += " vec3 diff = pos - emission_pos;\n"; + code += " vec3 noise_direction = curl_3d(noise_pos + noise_time - diff, adj_contrast);\n"; + code += " noise_direction = mix(0.9 * noise_direction, noise_direction, turbulence_noise_strength - 9.0);\n"; + code += " return noise_direction;\n"; + code += "}\n"; + } + + //need a random function + code += "\n\n"; + code += "float rand_from_seed(inout uint seed) {\n"; + code += " int k;\n"; + code += " int s = int(seed);\n"; + code += " if (s == 0)\n"; + code += " s = 305420679;\n"; + code += " k = s / 127773;\n"; + code += " s = 16807 * (s - k * 127773) - 2836 * k;\n"; + code += " if (s < 0)\n"; + code += " s += 2147483647;\n"; + code += " seed = uint(s);\n"; + code += " return float(seed % uint(65536)) / 65535.0;\n"; + code += "}\n"; + code += "\n"; + + code += "float rand_from_seed_m1_p1(inout uint seed) {\n"; + code += " return rand_from_seed(seed) * 2.0 - 1.0;\n"; + code += "}\n"; + code += "\n"; + + //improve seed quality + code += "uint hash(uint x) {\n"; + code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n"; + code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n"; + code += " x = (x >> uint(16)) ^ x;\n"; + code += " return x;\n"; + code += "}\n"; + code += "\n"; + + code += "void start() {\n"; + code += " uint base_number = NUMBER;\n"; + code += " uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);\n"; + code += " float angle_rand = rand_from_seed(alt_seed);\n"; + code += " float scale_rand = rand_from_seed(alt_seed);\n"; + code += " float hue_rot_rand = rand_from_seed(alt_seed);\n"; + code += " float anim_offset_rand = rand_from_seed(alt_seed);\n"; + if (color_initial_ramp.is_valid()) { + code += " float color_initial_rand = rand_from_seed(alt_seed);\n"; + } + code += " float pi = 3.14159;\n"; + code += " float degree_to_rad = pi / 180.0;\n"; + code += "\n"; + + if (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { + code += " int point = min(emission_texture_point_count - 1, int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n"; + code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n"; + code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n"; + } + if (tex_parameters[PARAM_ANGLE].is_valid()) { + code += " float tex_angle = textureLod(angle_texture, vec2(0.0, 0.0), 0.0).r;\n"; + } else { + code += " float tex_angle = 0.0;\n"; + } + + if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) { + code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(0.0, 0.0), 0.0).r;\n"; + } else { + code += " float tex_anim_offset = 1.0;\n"; + } + + code += " float spread_rad = spread * degree_to_rad;\n"; + + code += " if (RESTART_VELOCITY) {\n"; + + if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(0.0, 0.0), 0.0).r;\n"; + } else { + code += " float tex_linear_velocity = 1.0;\n"; + } + + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " {\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\n"; + code += " vec3 rot = vec3(cos(angle1_rad), sin(angle1_rad), 0.0);\n"; + code += " VELOCITY = rot * mix(initial_linear_velocity_min,initial_linear_velocity_max, rand_from_seed(alt_seed));\n"; + code += " }\n"; + + } else { + //initiate velocity spread in 3D + code += " {\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; + code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n"; + code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n"; + code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n"; + code += " vec3 spread_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; + code += " vec3 direction_nrm = length(direction) > 0.0 ? normalize(direction) : vec3(0.0, 0.0, 1.0);\n"; + code += " // rotate spread to direction\n"; + code += " vec3 binormal = cross(vec3(0.0, 1.0, 0.0), direction_nrm);\n"; + code += " if (length(binormal) < 0.0001) {\n"; + code += " // direction is parallel to Y. Choose Z as the binormal.\n"; + code += " binormal = vec3(0.0, 0.0, 1.0);\n"; + code += " }\n"; + code += " binormal = normalize(binormal);\n"; + code += " vec3 normal = cross(binormal, direction_nrm);\n"; + code += " spread_direction = binormal * spread_direction.x + normal * spread_direction.y + direction_nrm * spread_direction.z;\n"; + code += " VELOCITY = spread_direction * mix(initial_linear_velocity_min, initial_linear_velocity_max,rand_from_seed(alt_seed));\n"; + code += " }\n"; + } + code += " }\n"; + + code += " float base_angle = (tex_angle) * mix(initial_angle_min, initial_angle_max, angle_rand);\n"; + code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle + code += " CUSTOM.y = 0.0;\n"; // phase + code += " CUSTOM.w = (1.0 - lifetime_randomness * rand_from_seed(alt_seed));\n"; + code += " CUSTOM.z = (tex_anim_offset) * mix(anim_offset_min, anim_offset_max, anim_offset_rand);\n"; // animation offset (0-1) + + code += " if (RESTART_POSITION) {\n"; + + switch (emission_shape) { + case EMISSION_SHAPE_POINT: { + //do none, identity (will later be multiplied by emission transform) + code += " TRANSFORM = mat4(vec4(1,0,0,0),vec4(0,1,0,0),vec4(0,0,1,0),vec4(0,0,0,1));\n"; + } break; + case EMISSION_SHAPE_SPHERE: { + code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; + code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float p = rand_from_seed(alt_seed);\n"; + code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; + code += " TRANSFORM[3].xyz = mix(vec3(0.0, 0.0, 0.0), vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s), p);\n"; + } break; + case EMISSION_SHAPE_SPHERE_SURFACE: { + code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; + code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; + code += " TRANSFORM[3].xyz = vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s);\n"; + } break; + case EMISSION_SHAPE_BOX: { + code += " TRANSFORM[3].xyz = vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0) * emission_box_extents;\n"; + } break; + case EMISSION_SHAPE_POINTS: + case EMISSION_SHAPE_DIRECTED_POINTS: { + code += " TRANSFORM[3].xyz = texelFetch(emission_texture_points, emission_tex_ofs, 0).xyz;\n"; + + if (emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " {\n"; + code += " mat2 rotm;"; + code += " rotm[0] = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xy;\n"; + code += " rotm[1] = rotm[0].yx * vec2(1.0, -1.0);\n"; + code += " if (RESTART_VELOCITY) VELOCITY.xy = rotm * VELOCITY.xy;\n"; + code += " }\n"; + } else { + code += " {\n"; + code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n"; + code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n"; + code += " vec3 tangent = normalize(cross(v0, normal));\n"; + code += " vec3 bitangent = normalize(cross(tangent, normal));\n"; + code += " if (RESTART_VELOCITY) VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n"; + code += " }\n"; + } + } + } break; + case EMISSION_SHAPE_RING: { + code += " float ring_spawn_angle = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float ring_random_radius = rand_from_seed(alt_seed) * (emission_ring_radius - emission_ring_inner_radius) + emission_ring_inner_radius;\n"; + code += " vec3 axis = normalize(emission_ring_axis);\n"; + code += " vec3 ortho_axis = vec3(0.0);\n"; + code += " if (axis == vec3(1.0, 0.0, 0.0)) {\n"; + code += " ortho_axis = cross(axis, vec3(0.0, 1.0, 0.0));\n"; + code += " } else {\n"; + code += " ortho_axis = cross(axis, vec3(1.0, 0.0, 0.0));\n"; + code += " }\n"; + code += " ortho_axis = normalize(ortho_axis);\n"; + code += " float s = sin(ring_spawn_angle);\n"; + code += " float c = cos(ring_spawn_angle);\n"; + code += " float oc = 1.0 - c;\n"; + code += " ortho_axis = mat3(\n"; + code += " vec3(c + axis.x * axis.x * oc, axis.x * axis.y * oc - axis.z * s, axis.x * axis.z *oc + axis.y * s),\n"; + code += " vec3(axis.x * axis.y * oc + s * axis.z, c + axis.y * axis.y * oc, axis.y * axis.z * oc - axis.x * s),\n"; + code += " vec3(axis.z * axis.x * oc - axis.y * s, axis.z * axis.y * oc + axis.x * s, c + axis.z * axis.z * oc)\n"; + code += " ) * ortho_axis;\n"; + code += " ortho_axis = normalize(ortho_axis);\n"; + code += " TRANSFORM[3].xyz = ortho_axis * ring_random_radius + (rand_from_seed(alt_seed) * emission_ring_height - emission_ring_height / 2.0) * axis;\n"; + } break; + case EMISSION_SHAPE_MAX: { // Max value for validity check. + break; + } + } + code += " if (RESTART_VELOCITY) VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; + // Apply noise/turbulence: initial displacement. + if (turbulence_enabled) { + if (get_turbulence_noise_speed_random() >= 0.0) { + code += " vec3 time_noise = noise_3d( vec3(TIME) * turbulence_noise_speed_random ) * -turbulence_noise_speed;\n"; + } else { + code += " const vec3 time_noise = vec3(0.0);\n"; + } + code += " vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz, EMISSION_TRANSFORM[3].xyz, time_noise);\n"; + code += " float turb_init_displacement = mix(turbulence_initial_displacement_min, turbulence_initial_displacement_max, rand_from_seed(alt_seed));"; + code += " TRANSFORM[3].xyz += noise_direction * turb_init_displacement;\n"; + } + code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " VELOCITY.z = 0.0;\n"; + code += " TRANSFORM[3].z = 0.0;\n"; + } + code += " }\n"; + code += "}\n\n"; + + code += "void process() {\n"; + code += " uint base_number = NUMBER;\n"; + code += " uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);\n"; + code += " float angle_rand = rand_from_seed(alt_seed);\n"; + code += " float scale_rand = rand_from_seed(alt_seed);\n"; + code += " float hue_rot_rand = rand_from_seed(alt_seed);\n"; + code += " float anim_offset_rand = rand_from_seed(alt_seed);\n"; + if (color_initial_ramp.is_valid()) { + code += " float color_initial_rand = rand_from_seed(alt_seed);\n"; + } + code += " float pi = 3.14159;\n"; + code += " float degree_to_rad = pi / 180.0;\n"; + code += "\n"; + + if (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { + code += " int point = min(emission_texture_point_count - 1, int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n"; + code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n"; + code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n"; + } + + code += " CUSTOM.y += DELTA / LIFETIME;\n"; + code += " float tv = CUSTOM.y / CUSTOM.w;\n"; + if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_linear_velocity = 1.0;\n"; + } + + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid()) { + code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_orbit_velocity = 1.0;\n"; + } + } + + if (tex_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { + code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_angular_velocity = 1.0;\n"; + } + + if (tex_parameters[PARAM_LINEAR_ACCEL].is_valid()) { + code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_linear_accel = 1.0;\n"; + } + + if (tex_parameters[PARAM_RADIAL_ACCEL].is_valid()) { + code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_radial_accel = 1.0;\n"; + } + + if (tex_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { + code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_tangent_accel = 1.0;\n"; + } + + if (tex_parameters[PARAM_DAMPING].is_valid()) { + code += " float tex_damping = textureLod(damping_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_damping = 1.0;\n"; + } + + if (tex_parameters[PARAM_ANGLE].is_valid()) { + code += " float tex_angle = textureLod(angle_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_angle = 1.0;\n"; + } + + if (tex_parameters[PARAM_ANIM_SPEED].is_valid()) { + code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_anim_speed = 1.0;\n"; + } + + if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) { + code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_anim_offset = 1.0;\n"; + } + + code += " vec3 force = gravity;\n"; + code += " vec3 pos = TRANSFORM[3].xyz;\n"; + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " pos.z = 0.0;\n"; + } + code += " // apply linear acceleration\n"; + code += " force += length(VELOCITY) > 0.0 ? normalize(VELOCITY) * tex_linear_accel * mix(linear_accel_min, linear_accel_max, rand_from_seed(alt_seed)) : vec3(0.0);\n"; + code += " // apply radial acceleration\n"; + code += " vec3 org = EMISSION_TRANSFORM[3].xyz;\n"; + code += " vec3 diff = pos - org;\n"; + code += " force += length(diff) > 0.0 ? normalize(diff) * tex_radial_accel * mix(radial_accel_min, radial_accel_max, rand_from_seed(alt_seed)) : vec3(0.0);\n"; + code += " // apply tangential acceleration;\n"; + code += " float tangent_accel_val = tex_tangent_accel * mix(tangent_accel_min, tangent_accel_max, rand_from_seed(alt_seed));\n"; + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " force += length(diff.yx) > 0.0 ? vec3(normalize(diff.yx * vec2(-1.0, 1.0)), 0.0) * tangent_accel_val : vec3(0.0);\n"; + + } else { + code += " vec3 crossDiff = cross(normalize(diff), normalize(gravity));\n"; + code += " force += length(crossDiff) > 0.0 ? normalize(crossDiff) * tangent_accel_val : vec3(0.0);\n"; + } + if (attractor_interaction_enabled) { + code += " force += ATTRACTOR_FORCE;\n\n"; + } + + code += " // apply attractor forces\n"; + code += " VELOCITY += force * DELTA;\n"; + + if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + code += " VELOCITY = normalize(VELOCITY) * tex_linear_velocity;\n"; + } + + // Apply noise/turbulence. + if (turbulence_enabled) { + code += " // apply turbulence\n"; + if (tex_parameters[PARAM_TURB_INFLUENCE_OVER_LIFE].is_valid()) { + code += " float turbulence_influence = textureLod(turbulence_influence_over_life, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " const float turbulence_influence = 1.0;\n"; + } + code += " \n"; + if (get_turbulence_noise_speed_random() >= 0.0) { + code += " vec3 time_noise = noise_3d( vec3(TIME) * turbulence_noise_speed_random ) * -turbulence_noise_speed;\n"; + } else { + code += " const vec3 time_noise = vec3(0.0);\n"; + } + code += " vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz, EMISSION_TRANSFORM[3].xyz, time_noise);\n"; + // If collision happened, turbulence is no longer applied. + // We don't need this check when the collision mode is "hide on contact", + // as the particle will be hidden anyway. + String extra_tab = ""; + if (collision_mode != COLLISION_RIGID) { + code += " if (!COLLIDED) {\n"; + extra_tab = " "; + } + code += extra_tab + " \n"; + code += extra_tab + " float vel_mag = length(VELOCITY);\n"; + code += extra_tab + " float vel_infl = clamp(mix(turbulence_influence_min, turbulence_influence_max, rand_from_seed(alt_seed)) * turbulence_influence, 0.0, 1.0);\n"; + code += extra_tab + " VELOCITY = mix(VELOCITY, normalize(noise_direction) * vel_mag * (1.0 + (1.0 - vel_infl) * 0.2), vel_infl);\n"; + if (collision_mode != COLLISION_RIGID) { + code += " }"; + } + } + code += " \n"; + code += " // orbit velocity\n"; + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " float orbit_amount = tex_orbit_velocity * mix(orbit_velocity_min, orbit_velocity_max, rand_from_seed(alt_seed));\n"; + code += " if (orbit_amount != 0.0) {\n"; + code += " float ang = orbit_amount * DELTA * pi * 2.0;\n"; + code += " mat2 rot = mat2(vec2(cos(ang), -sin(ang)), vec2(sin(ang), cos(ang)));\n"; + code += " TRANSFORM[3].xy -= diff.xy;\n"; + code += " TRANSFORM[3].xy += rot * diff.xy;\n"; + code += " }\n"; + } + + code += " float dmp = mix(damping_min, damping_max, rand_from_seed(alt_seed));\n"; + code += " if (dmp * tex_damping > 0.0) {\n"; + code += " float v = length(VELOCITY);\n"; + code += " float damp = tex_damping * dmp;\n"; + code += " v -= damp * DELTA;\n"; + code += " if (v < 0.0) {\n"; + code += " VELOCITY = vec3(0.0);\n"; + code += " } else {\n"; + code += " VELOCITY = normalize(VELOCITY) * v;\n"; + code += " }\n"; + code += " }\n"; + code += " float base_angle = (tex_angle) * mix(initial_angle_min, initial_angle_max, rand_from_seed(alt_seed));\n"; + code += " base_angle += CUSTOM.y * LIFETIME * (tex_angular_velocity) * mix(angular_velocity_min,angular_velocity_max, rand_from_seed(alt_seed));\n"; + code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle + code += " CUSTOM.z = (tex_anim_offset) * mix(anim_offset_min, anim_offset_max, rand_from_seed(alt_seed)) + tv * tex_anim_speed * mix(anim_speed_min, anim_speed_max, rand_from_seed(alt_seed));\n"; // angle + + // apply color + // apply hue rotation + if (tex_parameters[PARAM_SCALE].is_valid()) { + code += " vec3 tex_scale = textureLod(scale_texture, vec2(tv, 0.0), 0.0).rgb;\n"; + } else { + code += " vec3 tex_scale = vec3(1.0);\n"; + } + + if (tex_parameters[PARAM_HUE_VARIATION].is_valid()) { + code += " float tex_hue_variation = textureLod(hue_variation_texture, vec2(tv, 0.0), 0.0).r;\n"; + } else { + code += " float tex_hue_variation = 1.0;\n"; + } + + code += " float hue_rot_angle = (tex_hue_variation) * pi * 2.0 * mix(hue_variation_min, hue_variation_max, rand_from_seed(alt_seed));\n"; + code += " float hue_rot_c = cos(hue_rot_angle);\n"; + code += " float hue_rot_s = sin(hue_rot_angle);\n"; + code += " mat4 hue_rot_mat = mat4(vec4(0.299, 0.587, 0.114, 0.0),\n"; + code += " vec4(0.299, 0.587, 0.114, 0.0),\n"; + code += " vec4(0.299, 0.587, 0.114, 0.0),\n"; + code += " vec4(0.000, 0.000, 0.000, 1.0)) +\n"; + code += " mat4(vec4(0.701, -0.587, -0.114, 0.0),\n"; + code += " vec4(-0.299, 0.413, -0.114, 0.0),\n"; + code += " vec4(-0.300, -0.588, 0.886, 0.0),\n"; + code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_c +\n"; + code += " mat4(vec4(0.168, 0.330, -0.497, 0.0),\n"; + code += " vec4(-0.328, 0.035, 0.292, 0.0),\n"; + code += " vec4(1.250, -1.050, -0.203, 0.0),\n"; + code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_s;\n"; + if (color_ramp.is_valid()) { + code += " COLOR = hue_rot_mat * textureLod(color_ramp, vec2(tv, 0.0), 0.0) * color_value;\n"; + } else { + code += " COLOR = hue_rot_mat * color_value;\n"; + } + + if (color_initial_ramp.is_valid()) { + code += " vec4 start_color = textureLod(color_initial_ramp, vec2(color_initial_rand, 0.0), 0.0);\n"; + code += " COLOR *= start_color;\n"; + } + + if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) { + code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n"; + } + code += "\n"; + + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + if (particle_flags[PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY]) { + code += " if (length(VELOCITY) > 0.0) {\n"; + code += " TRANSFORM[1].xyz = normalize(VELOCITY);\n"; + code += " } else {\n"; + code += " TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz);\n"; + code += " }\n"; + code += " TRANSFORM[0].xyz = normalize(cross(TRANSFORM[1].xyz, TRANSFORM[2].xyz));\n"; + code += " TRANSFORM[2] = vec4(0.0, 0.0, 1.0, 0.0);\n"; + } else { + code += " TRANSFORM[0] = vec4(cos(CUSTOM.x), -sin(CUSTOM.x), 0.0, 0.0);\n"; + code += " TRANSFORM[1] = vec4(sin(CUSTOM.x), cos(CUSTOM.x), 0.0, 0.0);\n"; + code += " TRANSFORM[2] = vec4(0.0, 0.0, 1.0, 0.0);\n"; + } + + } else { + // orient particle Y towards velocity + if (particle_flags[PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY]) { + code += " if (length(VELOCITY) > 0.0) {\n"; + code += " TRANSFORM[1].xyz = normalize(VELOCITY);\n"; + code += " } else {\n"; + code += " TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz);\n"; + code += " }\n"; + code += " if (TRANSFORM[1].xyz == normalize(TRANSFORM[0].xyz)) {\n"; + code += " TRANSFORM[0].xyz = normalize(cross(normalize(TRANSFORM[1].xyz), normalize(TRANSFORM[2].xyz)));\n"; + code += " TRANSFORM[2].xyz = normalize(cross(normalize(TRANSFORM[0].xyz), normalize(TRANSFORM[1].xyz)));\n"; + code += " } else {\n"; + code += " TRANSFORM[2].xyz = normalize(cross(normalize(TRANSFORM[0].xyz), normalize(TRANSFORM[1].xyz)));\n"; + code += " TRANSFORM[0].xyz = normalize(cross(normalize(TRANSFORM[1].xyz), normalize(TRANSFORM[2].xyz)));\n"; + code += " }\n"; + } else { + code += " TRANSFORM[0].xyz = normalize(TRANSFORM[0].xyz);\n"; + code += " TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz);\n"; + code += " TRANSFORM[2].xyz = normalize(TRANSFORM[2].xyz);\n"; + } + // turn particle by rotation in Y + if (particle_flags[PARTICLE_FLAG_ROTATE_Y]) { + code += " vec4 origin = TRANSFORM[3];\n"; + code += " TRANSFORM = mat4(vec4(cos(CUSTOM.x), 0.0, -sin(CUSTOM.x), 0.0), vec4(0.0, 1.0, 0.0, 0.0), vec4(sin(CUSTOM.x), 0.0, cos(CUSTOM.x), 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; + code += " TRANSFORM[3] = origin;\n"; + } + } + + if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + code += " TRANSFORM[3].z = 0.0;\n"; + } + + if (collision_mode == COLLISION_RIGID) { + code += " if (COLLIDED) {\n"; + code += " if (length(VELOCITY) > 3.0) {\n"; + code += " TRANSFORM[3].xyz += COLLISION_NORMAL * COLLISION_DEPTH;\n"; + code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n"; + code += " VELOCITY = mix(VELOCITY,vec3(0.0),clamp(collision_friction, 0.0, 1.0));\n"; + code += " } else {\n"; + code += " VELOCITY = vec3(0.0);\n"; + // If turbulence is enabled, set the noise direction to up so the turbulence color is "neutral" + if (turbulence_enabled) { + code += " noise_direction = vec3(1.0, 0.0, 0.0);\n"; + } + code += " }\n"; + code += " }\n"; + } + + // scale by scale + code += " float base_scale = mix(scale_min, scale_max, scale_rand);\n"; + code += " base_scale = sign(base_scale) * max(abs(base_scale), 0.001);\n"; + code += " TRANSFORM[0].xyz *= base_scale * sign(tex_scale.r) * max(abs(tex_scale.r), 0.001);\n"; + code += " TRANSFORM[1].xyz *= base_scale * sign(tex_scale.g) * max(abs(tex_scale.g), 0.001);\n"; + code += " TRANSFORM[2].xyz *= base_scale * sign(tex_scale.b) * max(abs(tex_scale.b), 0.001);\n"; + + if (collision_mode == COLLISION_RIGID) { + code += " if (COLLIDED) {\n"; + code += " TRANSFORM[3].xyz+=COLLISION_NORMAL * COLLISION_DEPTH;\n"; + code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n"; + code += " VELOCITY = mix(VELOCITY,vec3(0.0),collision_friction * DELTA * 100.0);\n"; + code += " }\n"; + } else if (collision_mode == COLLISION_HIDE_ON_CONTACT) { + code += " if (COLLIDED) {\n"; + code += " ACTIVE = false;\n"; + code += " }\n"; + } + + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + code += " int emit_count = 0;\n"; + switch (sub_emitter_mode) { + case SUB_EMITTER_CONSTANT: { + code += " float interval_from = CUSTOM.y * LIFETIME - DELTA;\n"; + code += " float interval_rem = sub_emitter_frequency - mod(interval_from,sub_emitter_frequency);\n"; + code += " if (DELTA >= interval_rem) emit_count = 1;\n"; + } break; + case SUB_EMITTER_AT_COLLISION: { + code += " if (COLLIDED) emit_count = 1;\n"; + } break; + case SUB_EMITTER_AT_END: { + code += " float unit_delta = DELTA/LIFETIME;\n"; + code += " float end_time = CUSTOM.w * 0.95;\n"; // if we do at the end we might miss it, as it can just get deactivated by emitter + code += " if (CUSTOM.y < end_time && (CUSTOM.y + unit_delta) >= end_time) emit_count = sub_emitter_amount_at_end;\n"; + } break; + default: { + } + } + code += " for(int i=0;i<emit_count;i++) {\n"; + code += " uint flags = FLAG_EMIT_POSITION|FLAG_EMIT_ROT_SCALE;\n"; + code += " if (sub_emitter_keep_velocity) flags|=FLAG_EMIT_VELOCITY;\n"; + code += " emit_subparticle(TRANSFORM,VELOCITY,vec4(0.0),vec4(0.0),flags);\n"; + code += " }"; + } + + code += " if (CUSTOM.y > CUSTOM.w) {\n"; + code += " ACTIVE = false;\n"; + code += " }\n"; + code += "}\n"; + code += "\n"; + + ShaderData shader_data; + shader_data.shader = RS::get_singleton()->shader_create(); + shader_data.users = 1; + + RS::get_singleton()->shader_set_code(shader_data.shader, code); + + shader_map[mk] = shader_data; + + RS::get_singleton()->material_set_shader(_get_material(), shader_data.shader); +} + +void ParticleProcessMaterial::flush_changes() { + MutexLock lock(material_mutex); + + while (dirty_materials->first()) { + dirty_materials->first()->self()->_update_shader(); + } +} + +void ParticleProcessMaterial::_queue_shader_change() { + MutexLock lock(material_mutex); + + if (is_initialized && !element.in_list()) { + dirty_materials->add(&element); + } +} + +bool ParticleProcessMaterial::_is_shader_dirty() const { + MutexLock lock(material_mutex); + + return element.in_list(); +} + +void ParticleProcessMaterial::set_direction(Vector3 p_direction) { + direction = p_direction; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->direction, direction); +} + +Vector3 ParticleProcessMaterial::get_direction() const { + return direction; +} + +void ParticleProcessMaterial::set_spread(float p_spread) { + spread = p_spread; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->spread, p_spread); +} + +float ParticleProcessMaterial::get_spread() const { + return spread; +} + +void ParticleProcessMaterial::set_flatness(float p_flatness) { + flatness = p_flatness; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->flatness, p_flatness); +} + +float ParticleProcessMaterial::get_flatness() const { + return flatness; +} + +void ParticleProcessMaterial::set_param_min(Parameter p_param, float p_value) { + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + params_min[p_param] = p_value; + if (params_min[p_param] > params_max[p_param]) { + set_param_max(p_param, p_value); + } + + switch (p_param) { + case PARAM_INITIAL_LINEAR_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->initial_linear_velocity_min, p_value); + } break; + case PARAM_ANGULAR_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->angular_velocity_min, p_value); + } break; + case PARAM_ORBIT_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->orbit_velocity_min, p_value); + } break; + case PARAM_LINEAR_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->linear_accel_min, p_value); + } break; + case PARAM_RADIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->radial_accel_min, p_value); + } break; + case PARAM_TANGENTIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->tangent_accel_min, p_value); + } break; + case PARAM_DAMPING: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->damping_min, p_value); + } break; + case PARAM_ANGLE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->initial_angle_min, p_value); + } break; + case PARAM_SCALE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->scale_min, p_value); + } break; + case PARAM_HUE_VARIATION: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->hue_variation_min, p_value); + } break; + case PARAM_ANIM_SPEED: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_speed_min, p_value); + } break; + case PARAM_ANIM_OFFSET: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_min, p_value); + } break; + case PARAM_TURB_VEL_INFLUENCE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_min, p_value); + } break; + case PARAM_TURB_INIT_DISPLACEMENT: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_initial_displacement_min, p_value); + } break; + case PARAM_TURB_INFLUENCE_OVER_LIFE: { + // Can't happen, but silences warning + } break; + case PARAM_MAX: + break; // Can't happen, but silences warning + } +} + +float ParticleProcessMaterial::get_param_min(Parameter p_param) const { + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0); + + return params_min[p_param]; +} + +void ParticleProcessMaterial::set_param_max(Parameter p_param, float p_value) { + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + params_max[p_param] = p_value; + if (params_min[p_param] > params_max[p_param]) { + set_param_min(p_param, p_value); + } + + switch (p_param) { + case PARAM_INITIAL_LINEAR_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->initial_linear_velocity_max, p_value); + } break; + case PARAM_ANGULAR_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->angular_velocity_max, p_value); + } break; + case PARAM_ORBIT_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->orbit_velocity_max, p_value); + } break; + case PARAM_LINEAR_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->linear_accel_max, p_value); + } break; + case PARAM_RADIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->radial_accel_max, p_value); + } break; + case PARAM_TANGENTIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->tangent_accel_max, p_value); + } break; + case PARAM_DAMPING: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->damping_max, p_value); + } break; + case PARAM_ANGLE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->initial_angle_max, p_value); + } break; + case PARAM_SCALE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->scale_max, p_value); + } break; + case PARAM_HUE_VARIATION: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->hue_variation_max, p_value); + } break; + case PARAM_ANIM_SPEED: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_speed_max, p_value); + } break; + case PARAM_ANIM_OFFSET: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_max, p_value); + } break; + case PARAM_TURB_VEL_INFLUENCE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_max, p_value); + } break; + case PARAM_TURB_INIT_DISPLACEMENT: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_initial_displacement_max, p_value); + } break; + case PARAM_TURB_INFLUENCE_OVER_LIFE: { + // Can't happen, but silences warning + } break; + case PARAM_MAX: + break; // Can't happen, but silences warning + } +} + +float ParticleProcessMaterial::get_param_max(Parameter p_param) const { + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0); + + return params_max[p_param]; +} + +static void _adjust_curve_range(const Ref<Texture2D> &p_texture, float p_min, float p_max) { + Ref<CurveTexture> curve_tex = p_texture; + if (!curve_tex.is_valid()) { + return; + } + + curve_tex->ensure_default_setup(p_min, p_max); +} + +void ParticleProcessMaterial::set_param_texture(Parameter p_param, const Ref<Texture2D> &p_texture) { + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + tex_parameters[p_param] = p_texture; + + RID tex_rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); + + switch (p_param) { + case PARAM_INITIAL_LINEAR_VELOCITY: { + //do none for this one + } break; + case PARAM_ANGULAR_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->angular_velocity_texture, tex_rid); + _adjust_curve_range(p_texture, -360, 360); + } break; + case PARAM_ORBIT_VELOCITY: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->orbit_velocity_texture, tex_rid); + _adjust_curve_range(p_texture, -500, 500); + } break; + case PARAM_LINEAR_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->linear_accel_texture, tex_rid); + _adjust_curve_range(p_texture, -200, 200); + } break; + case PARAM_RADIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->radial_accel_texture, tex_rid); + _adjust_curve_range(p_texture, -200, 200); + } break; + case PARAM_TANGENTIAL_ACCEL: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->tangent_accel_texture, tex_rid); + _adjust_curve_range(p_texture, -200, 200); + } break; + case PARAM_DAMPING: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->damping_texture, tex_rid); + _adjust_curve_range(p_texture, 0, 100); + } break; + case PARAM_ANGLE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->angle_texture, tex_rid); + _adjust_curve_range(p_texture, -360, 360); + } break; + case PARAM_SCALE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->scale_texture, tex_rid); + _adjust_curve_range(p_texture, 0, 1); + } break; + case PARAM_HUE_VARIATION: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->hue_variation_texture, tex_rid); + _adjust_curve_range(p_texture, -1, 1); + } break; + case PARAM_ANIM_SPEED: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_speed_texture, tex_rid); + _adjust_curve_range(p_texture, 0, 200); + } break; + case PARAM_ANIM_OFFSET: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_texture, tex_rid); + } break; + case PARAM_TURB_INFLUENCE_OVER_LIFE: { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_over_life, tex_rid); + _adjust_curve_range(p_texture, 0, 1); + } break; + case PARAM_TURB_VEL_INFLUENCE: { + // Can't happen, but silences warning + } break; + case PARAM_TURB_INIT_DISPLACEMENT: { + // Can't happen, but silences warning + } break; + case PARAM_MAX: + break; // Can't happen, but silences warning + } + + _queue_shader_change(); +} + +Ref<Texture2D> ParticleProcessMaterial::get_param_texture(Parameter p_param) const { + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, Ref<Texture2D>()); + + return tex_parameters[p_param]; +} + +void ParticleProcessMaterial::set_color(const Color &p_color) { + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->color, p_color); + color = p_color; +} + +Color ParticleProcessMaterial::get_color() const { + return color; +} + +void ParticleProcessMaterial::set_color_ramp(const Ref<Texture2D> &p_texture) { + color_ramp = p_texture; + RID tex_rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->color_ramp, tex_rid); + _queue_shader_change(); + notify_property_list_changed(); +} + +Ref<Texture2D> ParticleProcessMaterial::get_color_ramp() const { + return color_ramp; +} + +void ParticleProcessMaterial::set_color_initial_ramp(const Ref<Texture2D> &p_texture) { + color_initial_ramp = p_texture; + RID tex_rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->color_initial_ramp, tex_rid); + _queue_shader_change(); + notify_property_list_changed(); +} + +Ref<Texture2D> ParticleProcessMaterial::get_color_initial_ramp() const { + return color_initial_ramp; +} + +void ParticleProcessMaterial::set_particle_flag(ParticleFlags p_particle_flag, bool p_enable) { + ERR_FAIL_INDEX(p_particle_flag, PARTICLE_FLAG_MAX); + particle_flags[p_particle_flag] = p_enable; + _queue_shader_change(); + if (p_particle_flag == PARTICLE_FLAG_DISABLE_Z) { + notify_property_list_changed(); + } +} + +bool ParticleProcessMaterial::get_particle_flag(ParticleFlags p_particle_flag) const { + ERR_FAIL_INDEX_V(p_particle_flag, PARTICLE_FLAG_MAX, false); + return particle_flags[p_particle_flag]; +} + +void ParticleProcessMaterial::set_emission_shape(EmissionShape p_shape) { + ERR_FAIL_INDEX(p_shape, EMISSION_SHAPE_MAX); + emission_shape = p_shape; + notify_property_list_changed(); + _queue_shader_change(); +} + +void ParticleProcessMaterial::set_emission_sphere_radius(real_t p_radius) { + emission_sphere_radius = p_radius; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_sphere_radius, p_radius); +} + +void ParticleProcessMaterial::set_emission_box_extents(Vector3 p_extents) { + emission_box_extents = p_extents; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_box_extents, p_extents); +} + +void ParticleProcessMaterial::set_emission_point_texture(const Ref<Texture2D> &p_points) { + emission_point_texture = p_points; + RID tex_rid = p_points.is_valid() ? p_points->get_rid() : RID(); + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_texture_points, tex_rid); +} + +void ParticleProcessMaterial::set_emission_normal_texture(const Ref<Texture2D> &p_normals) { + emission_normal_texture = p_normals; + RID tex_rid = p_normals.is_valid() ? p_normals->get_rid() : RID(); + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_texture_normal, tex_rid); +} + +void ParticleProcessMaterial::set_emission_color_texture(const Ref<Texture2D> &p_colors) { + emission_color_texture = p_colors; + RID tex_rid = p_colors.is_valid() ? p_colors->get_rid() : RID(); + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_texture_color, tex_rid); + _queue_shader_change(); +} + +void ParticleProcessMaterial::set_emission_point_count(int p_count) { + emission_point_count = p_count; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_texture_point_count, p_count); +} + +void ParticleProcessMaterial::set_emission_ring_axis(Vector3 p_axis) { + emission_ring_axis = p_axis; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_ring_axis, p_axis); +} + +void ParticleProcessMaterial::set_emission_ring_height(real_t p_height) { + emission_ring_height = p_height; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_ring_height, p_height); +} + +void ParticleProcessMaterial::set_emission_ring_radius(real_t p_radius) { + emission_ring_radius = p_radius; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_ring_radius, p_radius); +} + +void ParticleProcessMaterial::set_emission_ring_inner_radius(real_t p_radius) { + emission_ring_inner_radius = p_radius; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->emission_ring_inner_radius, p_radius); +} + +ParticleProcessMaterial::EmissionShape ParticleProcessMaterial::get_emission_shape() const { + return emission_shape; +} + +real_t ParticleProcessMaterial::get_emission_sphere_radius() const { + return emission_sphere_radius; +} + +Vector3 ParticleProcessMaterial::get_emission_box_extents() const { + return emission_box_extents; +} + +Ref<Texture2D> ParticleProcessMaterial::get_emission_point_texture() const { + return emission_point_texture; +} + +Ref<Texture2D> ParticleProcessMaterial::get_emission_normal_texture() const { + return emission_normal_texture; +} + +Ref<Texture2D> ParticleProcessMaterial::get_emission_color_texture() const { + return emission_color_texture; +} + +int ParticleProcessMaterial::get_emission_point_count() const { + return emission_point_count; +} + +Vector3 ParticleProcessMaterial::get_emission_ring_axis() const { + return emission_ring_axis; +} + +real_t ParticleProcessMaterial::get_emission_ring_height() const { + return emission_ring_height; +} + +real_t ParticleProcessMaterial::get_emission_ring_radius() const { + return emission_ring_radius; +} + +real_t ParticleProcessMaterial::get_emission_ring_inner_radius() const { + return emission_ring_inner_radius; +} + +void ParticleProcessMaterial::set_turbulence_enabled(const bool p_turbulence_enabled) { + turbulence_enabled = p_turbulence_enabled; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_enabled, turbulence_enabled); + _queue_shader_change(); + notify_property_list_changed(); +} + +bool ParticleProcessMaterial::get_turbulence_enabled() const { + return turbulence_enabled; +} + +void ParticleProcessMaterial::set_turbulence_noise_strength(float p_turbulence_noise_strength) { + turbulence_noise_strength = p_turbulence_noise_strength; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_strength, p_turbulence_noise_strength); +} + +float ParticleProcessMaterial::get_turbulence_noise_strength() const { + return turbulence_noise_strength; +} + +void ParticleProcessMaterial::set_turbulence_noise_scale(float p_turbulence_noise_scale) { + turbulence_noise_scale = p_turbulence_noise_scale; + float shader_turbulence_noise_scale = (pow(p_turbulence_noise_scale, 0.25) * 5.6234 / 10.0) * 4.0 - 3.0; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_scale, shader_turbulence_noise_scale); +} + +float ParticleProcessMaterial::get_turbulence_noise_scale() const { + return turbulence_noise_scale; +} + +void ParticleProcessMaterial::set_turbulence_noise_speed_random(float p_turbulence_noise_speed_random) { + turbulence_noise_speed_random = p_turbulence_noise_speed_random; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_speed_random, p_turbulence_noise_speed_random); +} + +float ParticleProcessMaterial::get_turbulence_noise_speed_random() const { + return turbulence_noise_speed_random; +} + +void ParticleProcessMaterial::set_turbulence_noise_speed(const Vector3 &p_turbulence_noise_speed) { + turbulence_noise_speed = p_turbulence_noise_speed; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_speed, turbulence_noise_speed); +} + +Vector3 ParticleProcessMaterial::get_turbulence_noise_speed() const { + return turbulence_noise_speed; +} + +void ParticleProcessMaterial::set_gravity(const Vector3 &p_gravity) { + gravity = p_gravity; + Vector3 gset = gravity; + if (gset == Vector3()) { + gset = Vector3(0, -0.000001, 0); //as gravity is used as upvector in some calculations + } + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->gravity, gset); +} + +Vector3 ParticleProcessMaterial::get_gravity() const { + return gravity; +} + +void ParticleProcessMaterial::set_lifetime_randomness(double p_lifetime) { + lifetime_randomness = p_lifetime; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->lifetime_randomness, lifetime_randomness); +} + +double ParticleProcessMaterial::get_lifetime_randomness() const { + return lifetime_randomness; +} + +RID ParticleProcessMaterial::get_shader_rid() const { + ERR_FAIL_COND_V(!shader_map.has(current_key), RID()); + return shader_map[current_key].shader; +} + +void ParticleProcessMaterial::_validate_property(PropertyInfo &p_property) const { + if (p_property.name == "emission_sphere_radius" && (emission_shape != EMISSION_SHAPE_SPHERE && emission_shape != EMISSION_SHAPE_SPHERE_SURFACE)) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "emission_box_extents" && emission_shape != EMISSION_SHAPE_BOX) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if ((p_property.name == "emission_point_texture" || p_property.name == "emission_color_texture") && (emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS)) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "emission_normal_texture" && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "emission_point_count" && (emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS)) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name.begins_with("emission_ring_") && emission_shape != EMISSION_SHAPE_RING) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "sub_emitter_frequency" && sub_emitter_mode != SUB_EMITTER_CONSTANT) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "sub_emitter_amount_at_end" && sub_emitter_mode != SUB_EMITTER_AT_END) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name.begins_with("orbit_") && !particle_flags[PARTICLE_FLAG_DISABLE_Z]) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (!turbulence_enabled) { + if (p_property.name == "turbulence_noise_strength" || + p_property.name == "turbulence_noise_scale" || + p_property.name == "turbulence_noise_speed" || + p_property.name == "turbulence_noise_speed_random" || + p_property.name == "turbulence_influence_over_life" || + p_property.name == "turbulence_influence_min" || + p_property.name == "turbulence_influence_max" || + p_property.name == "turbulence_initial_displacement_min" || + p_property.name == "turbulence_initial_displacement_max") { + p_property.usage = PROPERTY_USAGE_NO_EDITOR; + } + } + + if (p_property.name == "collision_friction" && collision_mode != COLLISION_RIGID) { + p_property.usage = PROPERTY_USAGE_NONE; + } + + if (p_property.name == "collision_bounce" && collision_mode != COLLISION_RIGID) { + p_property.usage = PROPERTY_USAGE_NONE; + } +} + +void ParticleProcessMaterial::set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode) { + sub_emitter_mode = p_sub_emitter_mode; + _queue_shader_change(); + notify_property_list_changed(); +} + +ParticleProcessMaterial::SubEmitterMode ParticleProcessMaterial::get_sub_emitter_mode() const { + return sub_emitter_mode; +} + +void ParticleProcessMaterial::set_sub_emitter_frequency(double p_frequency) { + sub_emitter_frequency = p_frequency; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_frequency, 1.0 / p_frequency); //pass delta instead of frequency, since its easier to compute +} + +double ParticleProcessMaterial::get_sub_emitter_frequency() const { + return sub_emitter_frequency; +} + +void ParticleProcessMaterial::set_sub_emitter_amount_at_end(int p_amount) { + sub_emitter_amount_at_end = p_amount; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_amount_at_end, p_amount); +} + +int ParticleProcessMaterial::get_sub_emitter_amount_at_end() const { + return sub_emitter_amount_at_end; +} + +void ParticleProcessMaterial::set_sub_emitter_keep_velocity(bool p_enable) { + sub_emitter_keep_velocity = p_enable; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_keep_velocity, p_enable); +} +bool ParticleProcessMaterial::get_sub_emitter_keep_velocity() const { + return sub_emitter_keep_velocity; +} + +void ParticleProcessMaterial::set_attractor_interaction_enabled(bool p_enable) { + attractor_interaction_enabled = p_enable; + _queue_shader_change(); +} + +bool ParticleProcessMaterial::is_attractor_interaction_enabled() const { + return attractor_interaction_enabled; +} + +void ParticleProcessMaterial::set_collision_mode(CollisionMode p_collision_mode) { + collision_mode = p_collision_mode; + _queue_shader_change(); + notify_property_list_changed(); +} + +ParticleProcessMaterial::CollisionMode ParticleProcessMaterial::get_collision_mode() const { + return collision_mode; +} + +void ParticleProcessMaterial::set_collision_use_scale(bool p_scale) { + collision_scale = p_scale; + _queue_shader_change(); +} + +bool ParticleProcessMaterial::is_collision_using_scale() const { + return collision_scale; +} + +void ParticleProcessMaterial::set_collision_friction(float p_friction) { + collision_friction = p_friction; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_friction, p_friction); +} + +float ParticleProcessMaterial::get_collision_friction() const { + return collision_friction; +} + +void ParticleProcessMaterial::set_collision_bounce(float p_bounce) { + collision_bounce = p_bounce; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_bounce, p_bounce); +} + +float ParticleProcessMaterial::get_collision_bounce() const { + return collision_bounce; +} + +Shader::Mode ParticleProcessMaterial::get_shader_mode() const { + return Shader::MODE_PARTICLES; +} + +void ParticleProcessMaterial::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_direction", "degrees"), &ParticleProcessMaterial::set_direction); + ClassDB::bind_method(D_METHOD("get_direction"), &ParticleProcessMaterial::get_direction); + + ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &ParticleProcessMaterial::set_spread); + ClassDB::bind_method(D_METHOD("get_spread"), &ParticleProcessMaterial::get_spread); + + ClassDB::bind_method(D_METHOD("set_flatness", "amount"), &ParticleProcessMaterial::set_flatness); + ClassDB::bind_method(D_METHOD("get_flatness"), &ParticleProcessMaterial::get_flatness); + + ClassDB::bind_method(D_METHOD("set_param_min", "param", "value"), &ParticleProcessMaterial::set_param_min); + ClassDB::bind_method(D_METHOD("get_param_min", "param"), &ParticleProcessMaterial::get_param_min); + + ClassDB::bind_method(D_METHOD("set_param_max", "param", "value"), &ParticleProcessMaterial::set_param_max); + ClassDB::bind_method(D_METHOD("get_param_max", "param"), &ParticleProcessMaterial::get_param_max); + + ClassDB::bind_method(D_METHOD("set_param_texture", "param", "texture"), &ParticleProcessMaterial::set_param_texture); + ClassDB::bind_method(D_METHOD("get_param_texture", "param"), &ParticleProcessMaterial::get_param_texture); + + ClassDB::bind_method(D_METHOD("set_color", "color"), &ParticleProcessMaterial::set_color); + ClassDB::bind_method(D_METHOD("get_color"), &ParticleProcessMaterial::get_color); + + ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &ParticleProcessMaterial::set_color_ramp); + ClassDB::bind_method(D_METHOD("get_color_ramp"), &ParticleProcessMaterial::get_color_ramp); + + ClassDB::bind_method(D_METHOD("set_color_initial_ramp", "ramp"), &ParticleProcessMaterial::set_color_initial_ramp); + ClassDB::bind_method(D_METHOD("get_color_initial_ramp"), &ParticleProcessMaterial::get_color_initial_ramp); + + ClassDB::bind_method(D_METHOD("set_particle_flag", "particle_flag", "enable"), &ParticleProcessMaterial::set_particle_flag); + ClassDB::bind_method(D_METHOD("get_particle_flag", "particle_flag"), &ParticleProcessMaterial::get_particle_flag); + + ClassDB::bind_method(D_METHOD("set_emission_shape", "shape"), &ParticleProcessMaterial::set_emission_shape); + ClassDB::bind_method(D_METHOD("get_emission_shape"), &ParticleProcessMaterial::get_emission_shape); + + ClassDB::bind_method(D_METHOD("set_emission_sphere_radius", "radius"), &ParticleProcessMaterial::set_emission_sphere_radius); + ClassDB::bind_method(D_METHOD("get_emission_sphere_radius"), &ParticleProcessMaterial::get_emission_sphere_radius); + + ClassDB::bind_method(D_METHOD("set_emission_box_extents", "extents"), &ParticleProcessMaterial::set_emission_box_extents); + ClassDB::bind_method(D_METHOD("get_emission_box_extents"), &ParticleProcessMaterial::get_emission_box_extents); + + ClassDB::bind_method(D_METHOD("set_emission_point_texture", "texture"), &ParticleProcessMaterial::set_emission_point_texture); + ClassDB::bind_method(D_METHOD("get_emission_point_texture"), &ParticleProcessMaterial::get_emission_point_texture); + + ClassDB::bind_method(D_METHOD("set_emission_normal_texture", "texture"), &ParticleProcessMaterial::set_emission_normal_texture); + ClassDB::bind_method(D_METHOD("get_emission_normal_texture"), &ParticleProcessMaterial::get_emission_normal_texture); + + ClassDB::bind_method(D_METHOD("set_emission_color_texture", "texture"), &ParticleProcessMaterial::set_emission_color_texture); + ClassDB::bind_method(D_METHOD("get_emission_color_texture"), &ParticleProcessMaterial::get_emission_color_texture); + + ClassDB::bind_method(D_METHOD("set_emission_point_count", "point_count"), &ParticleProcessMaterial::set_emission_point_count); + ClassDB::bind_method(D_METHOD("get_emission_point_count"), &ParticleProcessMaterial::get_emission_point_count); + + ClassDB::bind_method(D_METHOD("set_emission_ring_axis", "axis"), &ParticleProcessMaterial::set_emission_ring_axis); + ClassDB::bind_method(D_METHOD("get_emission_ring_axis"), &ParticleProcessMaterial::get_emission_ring_axis); + + ClassDB::bind_method(D_METHOD("set_emission_ring_height", "height"), &ParticleProcessMaterial::set_emission_ring_height); + ClassDB::bind_method(D_METHOD("get_emission_ring_height"), &ParticleProcessMaterial::get_emission_ring_height); + + ClassDB::bind_method(D_METHOD("set_emission_ring_radius", "radius"), &ParticleProcessMaterial::set_emission_ring_radius); + ClassDB::bind_method(D_METHOD("get_emission_ring_radius"), &ParticleProcessMaterial::get_emission_ring_radius); + + ClassDB::bind_method(D_METHOD("set_emission_ring_inner_radius", "inner_radius"), &ParticleProcessMaterial::set_emission_ring_inner_radius); + ClassDB::bind_method(D_METHOD("get_emission_ring_inner_radius"), &ParticleProcessMaterial::get_emission_ring_inner_radius); + + ClassDB::bind_method(D_METHOD("get_turbulence_enabled"), &ParticleProcessMaterial::get_turbulence_enabled); + ClassDB::bind_method(D_METHOD("set_turbulence_enabled", "turbulence_enabled"), &ParticleProcessMaterial::set_turbulence_enabled); + + ClassDB::bind_method(D_METHOD("get_turbulence_noise_strength"), &ParticleProcessMaterial::get_turbulence_noise_strength); + ClassDB::bind_method(D_METHOD("set_turbulence_noise_strength", "turbulence_noise_strength"), &ParticleProcessMaterial::set_turbulence_noise_strength); + + ClassDB::bind_method(D_METHOD("get_turbulence_noise_scale"), &ParticleProcessMaterial::get_turbulence_noise_scale); + ClassDB::bind_method(D_METHOD("set_turbulence_noise_scale", "turbulence_noise_scale"), &ParticleProcessMaterial::set_turbulence_noise_scale); + + ClassDB::bind_method(D_METHOD("get_turbulence_noise_speed_random"), &ParticleProcessMaterial::get_turbulence_noise_speed_random); + ClassDB::bind_method(D_METHOD("set_turbulence_noise_speed_random", "turbulence_noise_speed_random"), &ParticleProcessMaterial::set_turbulence_noise_speed_random); + + ClassDB::bind_method(D_METHOD("get_turbulence_noise_speed"), &ParticleProcessMaterial::get_turbulence_noise_speed); + ClassDB::bind_method(D_METHOD("set_turbulence_noise_speed", "turbulence_noise_speed"), &ParticleProcessMaterial::set_turbulence_noise_speed); + + ClassDB::bind_method(D_METHOD("get_gravity"), &ParticleProcessMaterial::get_gravity); + ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &ParticleProcessMaterial::set_gravity); + + ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "randomness"), &ParticleProcessMaterial::set_lifetime_randomness); + ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &ParticleProcessMaterial::get_lifetime_randomness); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_mode"), &ParticleProcessMaterial::get_sub_emitter_mode); + ClassDB::bind_method(D_METHOD("set_sub_emitter_mode", "mode"), &ParticleProcessMaterial::set_sub_emitter_mode); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_frequency"), &ParticleProcessMaterial::get_sub_emitter_frequency); + ClassDB::bind_method(D_METHOD("set_sub_emitter_frequency", "hz"), &ParticleProcessMaterial::set_sub_emitter_frequency); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_amount_at_end"), &ParticleProcessMaterial::get_sub_emitter_amount_at_end); + ClassDB::bind_method(D_METHOD("set_sub_emitter_amount_at_end", "amount"), &ParticleProcessMaterial::set_sub_emitter_amount_at_end); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_keep_velocity"), &ParticleProcessMaterial::get_sub_emitter_keep_velocity); + ClassDB::bind_method(D_METHOD("set_sub_emitter_keep_velocity", "enable"), &ParticleProcessMaterial::set_sub_emitter_keep_velocity); + + ClassDB::bind_method(D_METHOD("set_attractor_interaction_enabled", "enabled"), &ParticleProcessMaterial::set_attractor_interaction_enabled); + ClassDB::bind_method(D_METHOD("is_attractor_interaction_enabled"), &ParticleProcessMaterial::is_attractor_interaction_enabled); + + ClassDB::bind_method(D_METHOD("set_collision_mode", "mode"), &ParticleProcessMaterial::set_collision_mode); + ClassDB::bind_method(D_METHOD("get_collision_mode"), &ParticleProcessMaterial::get_collision_mode); + + ClassDB::bind_method(D_METHOD("set_collision_use_scale", "radius"), &ParticleProcessMaterial::set_collision_use_scale); + ClassDB::bind_method(D_METHOD("is_collision_using_scale"), &ParticleProcessMaterial::is_collision_using_scale); + + ClassDB::bind_method(D_METHOD("set_collision_friction", "friction"), &ParticleProcessMaterial::set_collision_friction); + ClassDB::bind_method(D_METHOD("get_collision_friction"), &ParticleProcessMaterial::get_collision_friction); + + ClassDB::bind_method(D_METHOD("set_collision_bounce", "bounce"), &ParticleProcessMaterial::set_collision_bounce); + ClassDB::bind_method(D_METHOD("get_collision_bounce"), &ParticleProcessMaterial::get_collision_bounce); + + ADD_GROUP("Time", ""); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness"); + + ADD_GROUP("Emission Shape", "emission_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Sphere Surface,Box,Points,Directed Points,Ring"), "set_emission_shape", "get_emission_shape"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01,or_greater"), "set_emission_sphere_radius", "get_emission_sphere_radius"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "emission_box_extents"), "set_emission_box_extents", "get_emission_box_extents"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "emission_point_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_emission_point_texture", "get_emission_point_texture"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "emission_normal_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_emission_normal_texture", "get_emission_normal_texture"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "emission_color_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_emission_color_texture", "get_emission_color_texture"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_point_count", PROPERTY_HINT_RANGE, "0,1000000,1"), "set_emission_point_count", "get_emission_point_count"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "emission_ring_axis"), "set_emission_ring_axis", "get_emission_ring_axis"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_ring_height"), "set_emission_ring_height", "get_emission_ring_height"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_ring_radius"), "set_emission_ring_radius", "get_emission_ring_radius"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_ring_inner_radius"), "set_emission_ring_inner_radius", "get_emission_ring_inner_radius"); + ADD_GROUP("Particle Flags", "particle_flag_"); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "particle_flag_align_y"), "set_particle_flag", "get_particle_flag", PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "particle_flag_rotate_y"), "set_particle_flag", "get_particle_flag", PARTICLE_FLAG_ROTATE_Y); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "particle_flag_disable_z"), "set_particle_flag", "get_particle_flag", PARTICLE_FLAG_DISABLE_Z); + ADD_GROUP("Direction", ""); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "direction"), "set_direction", "get_direction"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "spread", PROPERTY_HINT_RANGE, "0,180,0.01"), "set_spread", "get_spread"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "flatness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_flatness", "get_flatness"); + ADD_GROUP("Gravity", ""); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "gravity"), "set_gravity", "get_gravity"); + ADD_GROUP("Initial Velocity", "initial_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity_min", PROPERTY_HINT_RANGE, "0,1000,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_INITIAL_LINEAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity_max", PROPERTY_HINT_RANGE, "0,1000,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_INITIAL_LINEAR_VELOCITY); + ADD_GROUP("Angular Velocity", "angular_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity_min", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ANGULAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity_max", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ANGULAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angular_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANGULAR_VELOCITY); + ADD_GROUP("Orbit Velocity", "orbit_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity_min", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ORBIT_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity_max", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ORBIT_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "orbit_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ORBIT_VELOCITY); + ADD_GROUP("Linear Accel", "linear_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_LINEAR_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_LINEAR_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "linear_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_LINEAR_ACCEL); + ADD_GROUP("Radial Accel", "radial_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_RADIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_RADIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "radial_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_RADIAL_ACCEL); + ADD_GROUP("Tangential Accel", "tangential_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_TANGENTIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_TANGENTIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "tangential_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_TANGENTIAL_ACCEL); + ADD_GROUP("Damping", ""); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping_min", PROPERTY_HINT_RANGE, "0,100,0.01,or_greater"), "set_param_min", "get_param_min", PARAM_DAMPING); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping_max", PROPERTY_HINT_RANGE, "0,100,0.01,or_greater"), "set_param_max", "get_param_max", PARAM_DAMPING); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "damping_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_DAMPING); + ADD_GROUP("Angle", ""); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle_min", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater,degrees"), "set_param_min", "get_param_min", PARAM_ANGLE); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle_max", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater,degrees"), "set_param_max", "get_param_max", PARAM_ANGLE); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angle_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANGLE); + ADD_GROUP("Scale", ""); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_min", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_min", "get_param_min", PARAM_SCALE); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_max", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_max", "get_param_max", PARAM_SCALE); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "scale_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture,CurveXYZTexture"), "set_param_texture", "get_param_texture", PARAM_SCALE); + ADD_GROUP("Color", ""); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture1D"), "set_color_ramp", "get_color_ramp"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_initial_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture1D"), "set_color_initial_ramp", "get_color_initial_ramp"); + + ADD_GROUP("Hue Variation", "hue_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_max", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_max", "get_param_max", PARAM_HUE_VARIATION); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "hue_variation_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_HUE_VARIATION); + + ADD_GROUP("Turbulence", "turbulence_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "turbulence_enabled"), "set_turbulence_enabled", "get_turbulence_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_strength", PROPERTY_HINT_RANGE, "0,20,0.01"), "set_turbulence_noise_strength", "get_turbulence_noise_strength"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_scale", PROPERTY_HINT_RANGE, "0,10,0.01"), "set_turbulence_noise_scale", "get_turbulence_noise_scale"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "turbulence_noise_speed"), "set_turbulence_noise_speed", "get_turbulence_noise_speed"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_speed_random", PROPERTY_HINT_RANGE, "0,10,0.01"), "set_turbulence_noise_speed_random", "get_turbulence_noise_speed_random"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_influence_min", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_min", "get_param_min", PARAM_TURB_VEL_INFLUENCE); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_influence_max", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_max", "get_param_max", PARAM_TURB_VEL_INFLUENCE); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_initial_displacement_min", PROPERTY_HINT_RANGE, "-100,100,0.1"), "set_param_min", "get_param_min", PARAM_TURB_INIT_DISPLACEMENT); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_initial_displacement_max", PROPERTY_HINT_RANGE, "-100,100,0.1"), "set_param_max", "get_param_max", PARAM_TURB_INIT_DISPLACEMENT); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "turbulence_influence_over_life", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_TURB_INFLUENCE_OVER_LIFE); + + ADD_GROUP("Animation", "anim_"); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_min", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_max", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_speed_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_min", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ANIM_OFFSET); + ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_max", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ANIM_OFFSET); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANIM_OFFSET); + + ADD_GROUP("Sub Emitter", "sub_emitter_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_mode", PROPERTY_HINT_ENUM, "Disabled,Constant,At End,At Collision"), "set_sub_emitter_mode", "get_sub_emitter_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sub_emitter_frequency", PROPERTY_HINT_RANGE, "0.01,100,0.01,suffix:Hz"), "set_sub_emitter_frequency", "get_sub_emitter_frequency"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_end", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_end", "get_sub_emitter_amount_at_end"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sub_emitter_keep_velocity"), "set_sub_emitter_keep_velocity", "get_sub_emitter_keep_velocity"); + + ADD_GROUP("Attractor Interaction", "attractor_interaction_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "attractor_interaction_enabled"), "set_attractor_interaction_enabled", "is_attractor_interaction_enabled"); + ADD_GROUP("Collision", "collision_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mode", PROPERTY_HINT_ENUM, "Disabled,Rigid,Hide On Contact"), "set_collision_mode", "get_collision_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_friction", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_friction", "get_collision_friction"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_bounce", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_bounce", "get_collision_bounce"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collision_use_scale"), "set_collision_use_scale", "is_collision_using_scale"); + + BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_LINEAR_ACCEL); + BIND_ENUM_CONSTANT(PARAM_RADIAL_ACCEL); + BIND_ENUM_CONSTANT(PARAM_TANGENTIAL_ACCEL); + BIND_ENUM_CONSTANT(PARAM_DAMPING); + BIND_ENUM_CONSTANT(PARAM_ANGLE); + BIND_ENUM_CONSTANT(PARAM_SCALE); + BIND_ENUM_CONSTANT(PARAM_HUE_VARIATION); + BIND_ENUM_CONSTANT(PARAM_ANIM_SPEED); + BIND_ENUM_CONSTANT(PARAM_ANIM_OFFSET); + BIND_ENUM_CONSTANT(PARAM_MAX); + + BIND_ENUM_CONSTANT(PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY); + BIND_ENUM_CONSTANT(PARTICLE_FLAG_ROTATE_Y); + BIND_ENUM_CONSTANT(PARTICLE_FLAG_DISABLE_Z); + BIND_ENUM_CONSTANT(PARTICLE_FLAG_MAX); + + BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINT); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_SPHERE); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_SPHERE_SURFACE); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_BOX); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINTS); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_DIRECTED_POINTS); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_RING); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_MAX); + + BIND_ENUM_CONSTANT(PARAM_TURB_VEL_INFLUENCE); + BIND_ENUM_CONSTANT(PARAM_TURB_INIT_DISPLACEMENT); + BIND_ENUM_CONSTANT(PARAM_TURB_INFLUENCE_OVER_LIFE); + + BIND_ENUM_CONSTANT(SUB_EMITTER_DISABLED); + BIND_ENUM_CONSTANT(SUB_EMITTER_CONSTANT); + BIND_ENUM_CONSTANT(SUB_EMITTER_AT_END); + BIND_ENUM_CONSTANT(SUB_EMITTER_AT_COLLISION); + BIND_ENUM_CONSTANT(SUB_EMITTER_MAX); + + BIND_ENUM_CONSTANT(COLLISION_DISABLED); + BIND_ENUM_CONSTANT(COLLISION_RIGID); + BIND_ENUM_CONSTANT(COLLISION_HIDE_ON_CONTACT); + BIND_ENUM_CONSTANT(COLLISION_MAX); +} + +ParticleProcessMaterial::ParticleProcessMaterial() : + element(this) { + set_direction(Vector3(1, 0, 0)); + set_spread(45); + set_flatness(0); + set_param_min(PARAM_INITIAL_LINEAR_VELOCITY, 0); + set_param_min(PARAM_ANGULAR_VELOCITY, 0); + set_param_min(PARAM_ORBIT_VELOCITY, 0); + set_param_min(PARAM_LINEAR_ACCEL, 0); + set_param_min(PARAM_RADIAL_ACCEL, 0); + set_param_min(PARAM_TANGENTIAL_ACCEL, 0); + set_param_min(PARAM_DAMPING, 0); + set_param_min(PARAM_ANGLE, 0); + set_param_min(PARAM_SCALE, 1); + set_param_min(PARAM_HUE_VARIATION, 0); + set_param_min(PARAM_ANIM_SPEED, 0); + set_param_min(PARAM_ANIM_OFFSET, 0); + set_param_max(PARAM_INITIAL_LINEAR_VELOCITY, 0); + set_param_max(PARAM_ANGULAR_VELOCITY, 0); + set_param_max(PARAM_ORBIT_VELOCITY, 0); + set_param_max(PARAM_LINEAR_ACCEL, 0); + set_param_max(PARAM_RADIAL_ACCEL, 0); + set_param_max(PARAM_TANGENTIAL_ACCEL, 0); + set_param_max(PARAM_DAMPING, 0); + set_param_max(PARAM_ANGLE, 0); + set_param_max(PARAM_SCALE, 1); + set_param_max(PARAM_HUE_VARIATION, 0); + set_param_max(PARAM_ANIM_SPEED, 0); + set_param_max(PARAM_ANIM_OFFSET, 0); + set_emission_shape(EMISSION_SHAPE_POINT); + set_emission_sphere_radius(1); + set_emission_box_extents(Vector3(1, 1, 1)); + set_emission_ring_axis(Vector3(0, 0, 1.0)); + set_emission_ring_height(1); + set_emission_ring_radius(1); + set_emission_ring_inner_radius(0); + + set_turbulence_enabled(false); + set_turbulence_noise_speed(Vector3(0.5, 0.5, 0.5)); + set_turbulence_noise_strength(1); + set_turbulence_noise_scale(9); + set_turbulence_noise_speed_random(0); + set_param_min(PARAM_TURB_VEL_INFLUENCE, 0.1); + set_param_max(PARAM_TURB_VEL_INFLUENCE, 0.1); + set_param_min(PARAM_TURB_INIT_DISPLACEMENT, 0.0); + set_param_max(PARAM_TURB_INIT_DISPLACEMENT, 0.0); + + set_gravity(Vector3(0, -9.8, 0)); + set_lifetime_randomness(0); + + set_sub_emitter_mode(SUB_EMITTER_DISABLED); + set_sub_emitter_frequency(4); + set_sub_emitter_amount_at_end(1); + set_sub_emitter_keep_velocity(false); + + set_attractor_interaction_enabled(true); + set_collision_mode(COLLISION_DISABLED); + set_collision_bounce(0.0); + set_collision_friction(0.0); + set_collision_use_scale(false); + + for (int i = 0; i < PARTICLE_FLAG_MAX; i++) { + particle_flags[i] = false; + } + + set_color(Color(1, 1, 1, 1)); + + current_key.invalid_key = 1; + + is_initialized = true; + _queue_shader_change(); +} + +ParticleProcessMaterial::~ParticleProcessMaterial() { + MutexLock lock(material_mutex); + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + RS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + + RS::get_singleton()->material_set_shader(_get_material(), RID()); + } +} |