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godot/scene/3d/gpu_particles_3d.cpp

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/**************************************************************************/
/* gpu_particles_3d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "gpu_particles_3d.h"
#include "scene/3d/cpu_particles_3d.h"
#include "scene/resources/curve_texture.h"
#include "scene/resources/gradient_texture.h"
#include "scene/resources/particle_process_material.h"
#include "scene/scene_string_names.h"
AABB GPUParticles3D::get_aabb() const {
return AABB();
}
void GPUParticles3D::set_emitting(bool p_emitting) {
// Do not return even if `p_emitting == emitting` because `emitting` is just an approximation.
if (p_emitting && one_shot) {
if (!active && !emitting) {
// Last cycle ended.
active = true;
time = 0;
signal_canceled = false;
emission_time = lifetime;
active_time = lifetime * (2 - explosiveness_ratio);
} else {
signal_canceled = true;
}
set_process_internal(true);
} else if (!p_emitting) {
if (one_shot) {
set_process_internal(true);
} else {
set_process_internal(false);
}
} else {
set_process_internal(true);
}
emitting = p_emitting;
RS::get_singleton()->particles_set_emitting(particles, p_emitting);
}
void GPUParticles3D::set_amount(int p_amount) {
ERR_FAIL_COND_MSG(p_amount < 1, "Amount of particles cannot be smaller than 1.");
amount = p_amount;
RS::get_singleton()->particles_set_amount(particles, amount);
}
void GPUParticles3D::set_lifetime(double p_lifetime) {
ERR_FAIL_COND_MSG(p_lifetime <= 0, "Particles lifetime must be greater than 0.");
lifetime = p_lifetime;
RS::get_singleton()->particles_set_lifetime(particles, lifetime);
}
void GPUParticles3D::set_interp_to_end(float p_interp) {
interp_to_end_factor = CLAMP(p_interp, 0.0, 1.0);
RS::get_singleton()->particles_set_interp_to_end(particles, interp_to_end_factor);
}
void GPUParticles3D::set_one_shot(bool p_one_shot) {
one_shot = p_one_shot;
RS::get_singleton()->particles_set_one_shot(particles, one_shot);
if (is_emitting()) {
if (!one_shot) {
RenderingServer::get_singleton()->particles_restart(particles);
}
}
}
void GPUParticles3D::set_pre_process_time(double p_time) {
pre_process_time = p_time;
RS::get_singleton()->particles_set_pre_process_time(particles, pre_process_time);
}
void GPUParticles3D::set_explosiveness_ratio(real_t p_ratio) {
explosiveness_ratio = p_ratio;
RS::get_singleton()->particles_set_explosiveness_ratio(particles, explosiveness_ratio);
}
void GPUParticles3D::set_randomness_ratio(real_t p_ratio) {
randomness_ratio = p_ratio;
RS::get_singleton()->particles_set_randomness_ratio(particles, randomness_ratio);
}
void GPUParticles3D::set_visibility_aabb(const AABB &p_aabb) {
visibility_aabb = p_aabb;
RS::get_singleton()->particles_set_custom_aabb(particles, visibility_aabb);
update_gizmos();
}
void GPUParticles3D::set_use_local_coordinates(bool p_enable) {
local_coords = p_enable;
RS::get_singleton()->particles_set_use_local_coordinates(particles, local_coords);
}
void GPUParticles3D::set_process_material(const Ref<Material> &p_material) {
process_material = p_material;
RID material_rid;
if (process_material.is_valid()) {
material_rid = process_material->get_rid();
}
RS::get_singleton()->particles_set_process_material(particles, material_rid);
update_configuration_warnings();
}
void GPUParticles3D::set_speed_scale(double p_scale) {
speed_scale = p_scale;
RS::get_singleton()->particles_set_speed_scale(particles, p_scale);
}
void GPUParticles3D::set_collision_base_size(real_t p_size) {
collision_base_size = p_size;
RS::get_singleton()->particles_set_collision_base_size(particles, p_size);
}
bool GPUParticles3D::is_emitting() const {
return emitting;
}
int GPUParticles3D::get_amount() const {
return amount;
}
double GPUParticles3D::get_lifetime() const {
return lifetime;
}
float GPUParticles3D::get_interp_to_end() const {
return interp_to_end_factor;
}
bool GPUParticles3D::get_one_shot() const {
return one_shot;
}
double GPUParticles3D::get_pre_process_time() const {
return pre_process_time;
}
real_t GPUParticles3D::get_explosiveness_ratio() const {
return explosiveness_ratio;
}
real_t GPUParticles3D::get_randomness_ratio() const {
return randomness_ratio;
}
AABB GPUParticles3D::get_visibility_aabb() const {
return visibility_aabb;
}
bool GPUParticles3D::get_use_local_coordinates() const {
return local_coords;
}
Ref<Material> GPUParticles3D::get_process_material() const {
return process_material;
}
double GPUParticles3D::get_speed_scale() const {
return speed_scale;
}
real_t GPUParticles3D::get_collision_base_size() const {
return collision_base_size;
}
void GPUParticles3D::set_draw_order(DrawOrder p_order) {
draw_order = p_order;
RS::get_singleton()->particles_set_draw_order(particles, RS::ParticlesDrawOrder(p_order));
}
void GPUParticles3D::set_trail_enabled(bool p_enabled) {
trail_enabled = p_enabled;
RS::get_singleton()->particles_set_trails(particles, trail_enabled, trail_lifetime);
update_configuration_warnings();
}
void GPUParticles3D::set_trail_lifetime(double p_seconds) {
ERR_FAIL_COND(p_seconds < 0.01);
trail_lifetime = p_seconds;
RS::get_singleton()->particles_set_trails(particles, trail_enabled, trail_lifetime);
}
bool GPUParticles3D::is_trail_enabled() const {
return trail_enabled;
}
double GPUParticles3D::get_trail_lifetime() const {
return trail_lifetime;
}
GPUParticles3D::DrawOrder GPUParticles3D::get_draw_order() const {
return draw_order;
}
void GPUParticles3D::set_draw_passes(int p_count) {
ERR_FAIL_COND(p_count < 1);
for (int i = p_count; i < draw_passes.size(); i++) {
set_draw_pass_mesh(i, Ref<Mesh>());
}
draw_passes.resize(p_count);
RS::get_singleton()->particles_set_draw_passes(particles, p_count);
notify_property_list_changed();
}
int GPUParticles3D::get_draw_passes() const {
return draw_passes.size();
}
void GPUParticles3D::set_draw_pass_mesh(int p_pass, const Ref<Mesh> &p_mesh) {
ERR_FAIL_INDEX(p_pass, draw_passes.size());
if (Engine::get_singleton()->is_editor_hint() && draw_passes.write[p_pass].is_valid()) {
draw_passes.write[p_pass]->disconnect_changed(callable_mp((Node *)this, &Node::update_configuration_warnings));
}
draw_passes.write[p_pass] = p_mesh;
if (Engine::get_singleton()->is_editor_hint() && draw_passes.write[p_pass].is_valid()) {
draw_passes.write[p_pass]->connect_changed(callable_mp((Node *)this, &Node::update_configuration_warnings), CONNECT_DEFERRED);
}
RID mesh_rid;
if (p_mesh.is_valid()) {
mesh_rid = p_mesh->get_rid();
}
RS::get_singleton()->particles_set_draw_pass_mesh(particles, p_pass, mesh_rid);
_skinning_changed();
update_configuration_warnings();
}
Ref<Mesh> GPUParticles3D::get_draw_pass_mesh(int p_pass) const {
ERR_FAIL_INDEX_V(p_pass, draw_passes.size(), Ref<Mesh>());
return draw_passes[p_pass];
}
void GPUParticles3D::set_fixed_fps(int p_count) {
fixed_fps = p_count;
RS::get_singleton()->particles_set_fixed_fps(particles, p_count);
}
int GPUParticles3D::get_fixed_fps() const {
return fixed_fps;
}
void GPUParticles3D::set_fractional_delta(bool p_enable) {
fractional_delta = p_enable;
RS::get_singleton()->particles_set_fractional_delta(particles, p_enable);
}
bool GPUParticles3D::get_fractional_delta() const {
return fractional_delta;
}
void GPUParticles3D::set_interpolate(bool p_enable) {
interpolate = p_enable;
RS::get_singleton()->particles_set_interpolate(particles, p_enable);
}
bool GPUParticles3D::get_interpolate() const {
return interpolate;
}
PackedStringArray GPUParticles3D::get_configuration_warnings() const {
PackedStringArray warnings = GeometryInstance3D::get_configuration_warnings();
bool meshes_found = false;
bool anim_material_found = false;
for (int i = 0; i < draw_passes.size(); i++) {
if (draw_passes[i].is_valid()) {
meshes_found = true;
for (int j = 0; j < draw_passes[i]->get_surface_count(); j++) {
anim_material_found = Object::cast_to<ShaderMaterial>(draw_passes[i]->surface_get_material(j).ptr()) != nullptr;
BaseMaterial3D *spat = Object::cast_to<BaseMaterial3D>(draw_passes[i]->surface_get_material(j).ptr());
anim_material_found = anim_material_found || (spat && spat->get_billboard_mode() == StandardMaterial3D::BILLBOARD_PARTICLES);
}
if (anim_material_found) {
break;
}
}
}
anim_material_found = anim_material_found || Object::cast_to<ShaderMaterial>(get_material_override().ptr()) != nullptr;
{
BaseMaterial3D *spat = Object::cast_to<BaseMaterial3D>(get_material_override().ptr());
anim_material_found = anim_material_found || (spat && spat->get_billboard_mode() == BaseMaterial3D::BILLBOARD_PARTICLES);
}
if (!meshes_found) {
warnings.push_back(RTR("Nothing is visible because meshes have not been assigned to draw passes."));
}
if (process_material.is_null()) {
warnings.push_back(RTR("A material to process the particles is not assigned, so no behavior is imprinted."));
} else {
const ParticleProcessMaterial *process = Object::cast_to<ParticleProcessMaterial>(process_material.ptr());
if (!anim_material_found && process &&
(process->get_param_max(ParticleProcessMaterial::PARAM_ANIM_SPEED) != 0.0 || process->get_param_max(ParticleProcessMaterial::PARAM_ANIM_OFFSET) != 0.0 ||
process->get_param_texture(ParticleProcessMaterial::PARAM_ANIM_SPEED).is_valid() || process->get_param_texture(ParticleProcessMaterial::PARAM_ANIM_OFFSET).is_valid())) {
warnings.push_back(RTR("Particles animation requires the usage of a BaseMaterial3D whose Billboard Mode is set to \"Particle Billboard\"."));
}
}
if (trail_enabled) {
int dp_count = 0;
bool missing_trails = false;
bool no_materials = false;
for (int i = 0; i < draw_passes.size(); i++) {
Ref<Mesh> draw_pass = draw_passes[i];
if (draw_pass.is_valid() && draw_pass->get_builtin_bind_pose_count() > 0) {
dp_count++;
}
if (draw_pass.is_valid()) {
int mats_found = 0;
for (int j = 0; j < draw_passes[i]->get_surface_count(); j++) {
BaseMaterial3D *spat = Object::cast_to<BaseMaterial3D>(draw_passes[i]->surface_get_material(j).ptr());
if (spat) {
mats_found++;
}
if (spat && !spat->get_flag(BaseMaterial3D::FLAG_PARTICLE_TRAILS_MODE)) {
missing_trails = true;
}
}
if (mats_found != draw_passes[i]->get_surface_count()) {
no_materials = true;
}
}
}
BaseMaterial3D *spat = Object::cast_to<BaseMaterial3D>(get_material_override().ptr());
if (spat) {
no_materials = false;
}
if (spat && !spat->get_flag(BaseMaterial3D::FLAG_PARTICLE_TRAILS_MODE)) {
missing_trails = true;
}
if (dp_count && skin.is_valid()) {
warnings.push_back(RTR("Using Trail meshes with a skin causes Skin to override Trail poses. Suggest removing the Skin."));
} else if (dp_count == 0 && skin.is_null()) {
warnings.push_back(RTR("Trails active, but neither Trail meshes or a Skin were found."));
} else if (dp_count > 1) {
warnings.push_back(RTR("Only one Trail mesh is supported. If you want to use more than a single mesh, a Skin is needed (see documentation)."));
}
if ((dp_count || !skin.is_null()) && (missing_trails || no_materials)) {
warnings.push_back(RTR("Trails enabled, but one or more mesh materials are either missing or not set for trails rendering."));
}
if (OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
warnings.push_back(RTR("Particle trails are only available when using the Forward+ or Mobile rendering backends."));
}
}
if (sub_emitter != NodePath() && OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
warnings.push_back(RTR("Particle sub-emitters are only available when using the Forward+ or Mobile rendering backends."));
}
return warnings;
}
void GPUParticles3D::restart() {
RenderingServer::get_singleton()->particles_restart(particles);
RenderingServer::get_singleton()->particles_set_emitting(particles, true);
emitting = true;
active = true;
signal_canceled = false;
time = 0;
emission_time = lifetime * (1 - explosiveness_ratio);
active_time = lifetime * (2 - explosiveness_ratio);
set_process_internal(true);
}
AABB GPUParticles3D::capture_aabb() const {
return RS::get_singleton()->particles_get_current_aabb(particles);
}
void GPUParticles3D::_validate_property(PropertyInfo &p_property) const {
if (p_property.name.begins_with("draw_pass_")) {
int index = p_property.name.get_slicec('_', 2).to_int() - 1;
if (index >= draw_passes.size()) {
p_property.usage = PROPERTY_USAGE_NONE;
return;
}
}
}
void GPUParticles3D::emit_particle(const Transform3D &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) {
RS::get_singleton()->particles_emit(particles, p_transform, p_velocity, p_color, p_custom, p_emit_flags);
}
void GPUParticles3D::_attach_sub_emitter() {
Node *n = get_node_or_null(sub_emitter);
if (n) {
GPUParticles3D *sen = Object::cast_to<GPUParticles3D>(n);
if (sen && sen != this) {
RS::get_singleton()->particles_set_subemitter(particles, sen->particles);
}
}
}
void GPUParticles3D::set_sub_emitter(const NodePath &p_path) {
if (is_inside_tree()) {
RS::get_singleton()->particles_set_subemitter(particles, RID());
}
sub_emitter = p_path;
if (is_inside_tree() && sub_emitter != NodePath()) {
_attach_sub_emitter();
}
update_configuration_warnings();
}
NodePath GPUParticles3D::get_sub_emitter() const {
return sub_emitter;
}
void GPUParticles3D::_notification(int p_what) {
switch (p_what) {
// Use internal process when emitting and one_shot is on so that when
// the shot ends the editor can properly update.
case NOTIFICATION_INTERNAL_PROCESS: {
RS::get_singleton()->particles_set_emitter_velocity(particles, (get_global_position() - previous_position) / get_process_delta_time());
previous_position = get_global_position();
if (one_shot) {
time += get_process_delta_time();
if (time > emission_time) {
emitting = false;
if (!active) {
set_process_internal(false);
}
}
if (time > active_time) {
if (active && !signal_canceled) {
emit_signal(SceneStringNames::get_singleton()->finished);
}
active = false;
if (!emitting) {
set_process_internal(false);
}
}
}
} break;
case NOTIFICATION_ENTER_TREE: {
set_process_internal(false);
if (sub_emitter != NodePath()) {
_attach_sub_emitter();
}
if (can_process()) {
RS::get_singleton()->particles_set_speed_scale(particles, speed_scale);
} else {
RS::get_singleton()->particles_set_speed_scale(particles, 0);
}
previous_position = get_global_transform().origin;
set_process_internal(true);
} break;
case NOTIFICATION_EXIT_TREE: {
RS::get_singleton()->particles_set_subemitter(particles, RID());
} break;
case NOTIFICATION_PAUSED:
case NOTIFICATION_UNPAUSED: {
if (is_inside_tree()) {
if (can_process()) {
RS::get_singleton()->particles_set_speed_scale(particles, speed_scale);
} else {
RS::get_singleton()->particles_set_speed_scale(particles, 0);
}
}
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
// Make sure particles are updated before rendering occurs if they were active before.
if (is_visible_in_tree() && !RS::get_singleton()->particles_is_inactive(particles)) {
RS::get_singleton()->particles_request_process(particles);
}
} break;
}
}
void GPUParticles3D::_skinning_changed() {
Vector<Transform3D> xforms;
if (skin.is_valid()) {
xforms.resize(skin->get_bind_count());
for (int i = 0; i < skin->get_bind_count(); i++) {
xforms.write[i] = skin->get_bind_pose(i);
}
} else {
for (int i = 0; i < draw_passes.size(); i++) {
Ref<Mesh> draw_pass = draw_passes[i];
if (draw_pass.is_valid() && draw_pass->get_builtin_bind_pose_count() > 0) {
xforms.resize(draw_pass->get_builtin_bind_pose_count());
for (int j = 0; j < draw_pass->get_builtin_bind_pose_count(); j++) {
xforms.write[j] = draw_pass->get_builtin_bind_pose(j);
}
break;
}
}
}
RS::get_singleton()->particles_set_trail_bind_poses(particles, xforms);
update_configuration_warnings();
}
void GPUParticles3D::set_skin(const Ref<Skin> &p_skin) {
skin = p_skin;
_skinning_changed();
}
Ref<Skin> GPUParticles3D::get_skin() const {
return skin;
}
void GPUParticles3D::set_transform_align(TransformAlign p_align) {
ERR_FAIL_INDEX(uint32_t(p_align), 4);
transform_align = p_align;
RS::get_singleton()->particles_set_transform_align(particles, RS::ParticlesTransformAlign(transform_align));
}
GPUParticles3D::TransformAlign GPUParticles3D::get_transform_align() const {
return transform_align;
}
void GPUParticles3D::convert_from_particles(Node *p_particles) {
CPUParticles3D *cpu_particles = Object::cast_to<CPUParticles3D>(p_particles);
ERR_FAIL_NULL_MSG(cpu_particles, "Only CPUParticles3D nodes can be converted to GPUParticles3D.");
set_emitting(cpu_particles->is_emitting());
set_amount(cpu_particles->get_amount());
set_lifetime(cpu_particles->get_lifetime());
set_one_shot(cpu_particles->get_one_shot());
set_pre_process_time(cpu_particles->get_pre_process_time());
set_explosiveness_ratio(cpu_particles->get_explosiveness_ratio());
set_randomness_ratio(cpu_particles->get_randomness_ratio());
set_use_local_coordinates(cpu_particles->get_use_local_coordinates());
set_fixed_fps(cpu_particles->get_fixed_fps());
set_fractional_delta(cpu_particles->get_fractional_delta());
set_speed_scale(cpu_particles->get_speed_scale());
set_draw_order(DrawOrder(cpu_particles->get_draw_order()));
set_draw_pass_mesh(0, cpu_particles->get_mesh());
Ref<ParticleProcessMaterial> proc_mat = memnew(ParticleProcessMaterial);
set_process_material(proc_mat);
proc_mat->set_direction(cpu_particles->get_direction());
proc_mat->set_spread(cpu_particles->get_spread());
proc_mat->set_flatness(cpu_particles->get_flatness());
proc_mat->set_color(cpu_particles->get_color());
Ref<Gradient> grad = cpu_particles->get_color_ramp();
if (grad.is_valid()) {
Ref<GradientTexture1D> tex = memnew(GradientTexture1D);
tex->set_gradient(grad);
proc_mat->set_color_ramp(tex);
}
Ref<Gradient> grad_init = cpu_particles->get_color_initial_ramp();
if (grad_init.is_valid()) {
Ref<GradientTexture1D> tex = memnew(GradientTexture1D);
tex->set_gradient(grad_init);
proc_mat->set_color_initial_ramp(tex);
}
proc_mat->set_particle_flag(ParticleProcessMaterial::PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY, cpu_particles->get_particle_flag(CPUParticles3D::PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY));
proc_mat->set_particle_flag(ParticleProcessMaterial::PARTICLE_FLAG_ROTATE_Y, cpu_particles->get_particle_flag(CPUParticles3D::PARTICLE_FLAG_ROTATE_Y));
proc_mat->set_particle_flag(ParticleProcessMaterial::PARTICLE_FLAG_DISABLE_Z, cpu_particles->get_particle_flag(CPUParticles3D::PARTICLE_FLAG_DISABLE_Z));
proc_mat->set_emission_shape(ParticleProcessMaterial::EmissionShape(cpu_particles->get_emission_shape()));
proc_mat->set_emission_sphere_radius(cpu_particles->get_emission_sphere_radius());
proc_mat->set_emission_box_extents(cpu_particles->get_emission_box_extents());
if (cpu_particles->get_split_scale()) {
Ref<CurveXYZTexture> scale3D = memnew(CurveXYZTexture);
scale3D->set_curve_x(cpu_particles->get_scale_curve_x());
scale3D->set_curve_y(cpu_particles->get_scale_curve_y());
scale3D->set_curve_z(cpu_particles->get_scale_curve_z());
proc_mat->set_param_texture(ParticleProcessMaterial::PARAM_SCALE, scale3D);
}
proc_mat->set_gravity(cpu_particles->get_gravity());
proc_mat->set_lifetime_randomness(cpu_particles->get_lifetime_randomness());
#define CONVERT_PARAM(m_param) \
proc_mat->set_param_min(ParticleProcessMaterial::m_param, cpu_particles->get_param_min(CPUParticles3D::m_param)); \
{ \
Ref<Curve> curve = cpu_particles->get_param_curve(CPUParticles3D::m_param); \
if (curve.is_valid()) { \
Ref<CurveTexture> tex = memnew(CurveTexture); \
tex->set_curve(curve); \
proc_mat->set_param_texture(ParticleProcessMaterial::m_param, tex); \
} \
} \
proc_mat->set_param_max(ParticleProcessMaterial::m_param, cpu_particles->get_param_max(CPUParticles3D::m_param));
CONVERT_PARAM(PARAM_INITIAL_LINEAR_VELOCITY);
CONVERT_PARAM(PARAM_ANGULAR_VELOCITY);
CONVERT_PARAM(PARAM_ORBIT_VELOCITY);
CONVERT_PARAM(PARAM_LINEAR_ACCEL);
CONVERT_PARAM(PARAM_RADIAL_ACCEL);
CONVERT_PARAM(PARAM_TANGENTIAL_ACCEL);
CONVERT_PARAM(PARAM_DAMPING);
CONVERT_PARAM(PARAM_ANGLE);
CONVERT_PARAM(PARAM_SCALE);
CONVERT_PARAM(PARAM_HUE_VARIATION);
CONVERT_PARAM(PARAM_ANIM_SPEED);
CONVERT_PARAM(PARAM_ANIM_OFFSET);
#undef CONVERT_PARAM
}
void GPUParticles3D::set_amount_ratio(float p_ratio) {
amount_ratio = p_ratio;
RS::get_singleton()->particles_set_amount_ratio(particles, p_ratio);
}
float GPUParticles3D::get_amount_ratio() const {
return amount_ratio;
}
void GPUParticles3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_emitting", "emitting"), &GPUParticles3D::set_emitting);
ClassDB::bind_method(D_METHOD("set_amount", "amount"), &GPUParticles3D::set_amount);
ClassDB::bind_method(D_METHOD("set_lifetime", "secs"), &GPUParticles3D::set_lifetime);
ClassDB::bind_method(D_METHOD("set_one_shot", "enable"), &GPUParticles3D::set_one_shot);
ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &GPUParticles3D::set_pre_process_time);
ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &GPUParticles3D::set_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &GPUParticles3D::set_randomness_ratio);
ClassDB::bind_method(D_METHOD("set_visibility_aabb", "aabb"), &GPUParticles3D::set_visibility_aabb);
ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &GPUParticles3D::set_use_local_coordinates);
ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &GPUParticles3D::set_fixed_fps);
ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &GPUParticles3D::set_fractional_delta);
ClassDB::bind_method(D_METHOD("set_interpolate", "enable"), &GPUParticles3D::set_interpolate);
ClassDB::bind_method(D_METHOD("set_process_material", "material"), &GPUParticles3D::set_process_material);
ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &GPUParticles3D::set_speed_scale);
ClassDB::bind_method(D_METHOD("set_collision_base_size", "size"), &GPUParticles3D::set_collision_base_size);
ClassDB::bind_method(D_METHOD("set_interp_to_end", "interp"), &GPUParticles3D::set_interp_to_end);
ClassDB::bind_method(D_METHOD("is_emitting"), &GPUParticles3D::is_emitting);
ClassDB::bind_method(D_METHOD("get_amount"), &GPUParticles3D::get_amount);
ClassDB::bind_method(D_METHOD("get_lifetime"), &GPUParticles3D::get_lifetime);
ClassDB::bind_method(D_METHOD("get_one_shot"), &GPUParticles3D::get_one_shot);
ClassDB::bind_method(D_METHOD("get_pre_process_time"), &GPUParticles3D::get_pre_process_time);
ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &GPUParticles3D::get_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &GPUParticles3D::get_randomness_ratio);
ClassDB::bind_method(D_METHOD("get_visibility_aabb"), &GPUParticles3D::get_visibility_aabb);
ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &GPUParticles3D::get_use_local_coordinates);
ClassDB::bind_method(D_METHOD("get_fixed_fps"), &GPUParticles3D::get_fixed_fps);
ClassDB::bind_method(D_METHOD("get_fractional_delta"), &GPUParticles3D::get_fractional_delta);
ClassDB::bind_method(D_METHOD("get_interpolate"), &GPUParticles3D::get_interpolate);
ClassDB::bind_method(D_METHOD("get_process_material"), &GPUParticles3D::get_process_material);
ClassDB::bind_method(D_METHOD("get_speed_scale"), &GPUParticles3D::get_speed_scale);
ClassDB::bind_method(D_METHOD("get_collision_base_size"), &GPUParticles3D::get_collision_base_size);
ClassDB::bind_method(D_METHOD("get_interp_to_end"), &GPUParticles3D::get_interp_to_end);
ClassDB::bind_method(D_METHOD("set_draw_order", "order"), &GPUParticles3D::set_draw_order);
ClassDB::bind_method(D_METHOD("get_draw_order"), &GPUParticles3D::get_draw_order);
ClassDB::bind_method(D_METHOD("set_draw_passes", "passes"), &GPUParticles3D::set_draw_passes);
ClassDB::bind_method(D_METHOD("set_draw_pass_mesh", "pass", "mesh"), &GPUParticles3D::set_draw_pass_mesh);
ClassDB::bind_method(D_METHOD("get_draw_passes"), &GPUParticles3D::get_draw_passes);
ClassDB::bind_method(D_METHOD("get_draw_pass_mesh", "pass"), &GPUParticles3D::get_draw_pass_mesh);
ClassDB::bind_method(D_METHOD("set_skin", "skin"), &GPUParticles3D::set_skin);
ClassDB::bind_method(D_METHOD("get_skin"), &GPUParticles3D::get_skin);
ClassDB::bind_method(D_METHOD("restart"), &GPUParticles3D::restart);
ClassDB::bind_method(D_METHOD("capture_aabb"), &GPUParticles3D::capture_aabb);
ClassDB::bind_method(D_METHOD("set_sub_emitter", "path"), &GPUParticles3D::set_sub_emitter);
ClassDB::bind_method(D_METHOD("get_sub_emitter"), &GPUParticles3D::get_sub_emitter);
ClassDB::bind_method(D_METHOD("emit_particle", "xform", "velocity", "color", "custom", "flags"), &GPUParticles3D::emit_particle);
ClassDB::bind_method(D_METHOD("set_trail_enabled", "enabled"), &GPUParticles3D::set_trail_enabled);
ClassDB::bind_method(D_METHOD("set_trail_lifetime", "secs"), &GPUParticles3D::set_trail_lifetime);
ClassDB::bind_method(D_METHOD("is_trail_enabled"), &GPUParticles3D::is_trail_enabled);
ClassDB::bind_method(D_METHOD("get_trail_lifetime"), &GPUParticles3D::get_trail_lifetime);
ClassDB::bind_method(D_METHOD("set_transform_align", "align"), &GPUParticles3D::set_transform_align);
ClassDB::bind_method(D_METHOD("get_transform_align"), &GPUParticles3D::get_transform_align);
ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &GPUParticles3D::convert_from_particles);
ClassDB::bind_method(D_METHOD("set_amount_ratio", "ratio"), &GPUParticles3D::set_amount_ratio);
ClassDB::bind_method(D_METHOD("get_amount_ratio"), &GPUParticles3D::get_amount_ratio);
ADD_SIGNAL(MethodInfo("finished"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting");
ADD_PROPERTY_DEFAULT("emitting", true); // Workaround for doctool in headless mode, as dummy rasterizer always returns false.
ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_RANGE, "1,1000000,1,exp"), "set_amount", "get_amount");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "amount_ratio", PROPERTY_HINT_RANGE, "0,1,0.0001"), "set_amount_ratio", "get_amount_ratio");
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "sub_emitter", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "GPUParticles3D"), "set_sub_emitter", "get_sub_emitter");
ADD_GROUP("Time", "");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime", PROPERTY_HINT_RANGE, "0.01,600.0,0.01,or_greater,exp,suffix:s"), "set_lifetime", "get_lifetime");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "interp_to_end", PROPERTY_HINT_RANGE, "0.00,1.0,0.01"), "set_interp_to_end", "get_interp_to_end");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "preprocess", PROPERTY_HINT_RANGE, "0.00,600.0,0.01,exp,suffix:s"), "set_pre_process_time", "get_pre_process_time");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "explosiveness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_explosiveness_ratio", "get_explosiveness_ratio");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_randomness_ratio", "get_randomness_ratio");
ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1,suffix:FPS"), "set_fixed_fps", "get_fixed_fps");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "interpolate"), "set_interpolate", "get_interpolate");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta");
ADD_GROUP("Collision", "collision_");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_base_size", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater,suffix:m"), "set_collision_base_size", "get_collision_base_size");
ADD_GROUP("Drawing", "");
ADD_PROPERTY(PropertyInfo(Variant::AABB, "visibility_aabb", PROPERTY_HINT_NONE, "suffix:m"), "set_visibility_aabb", "get_visibility_aabb");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "local_coords"), "set_use_local_coordinates", "get_use_local_coordinates");
ADD_PROPERTY(PropertyInfo(Variant::INT, "draw_order", PROPERTY_HINT_ENUM, "Index,Lifetime,Reverse Lifetime,View Depth"), "set_draw_order", "get_draw_order");
ADD_PROPERTY(PropertyInfo(Variant::INT, "transform_align", PROPERTY_HINT_ENUM, "Disabled,Z-Billboard,Y to Velocity,Z-Billboard + Y to Velocity"), "set_transform_align", "get_transform_align");
ADD_GROUP("Trails", "trail_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "trail_enabled"), "set_trail_enabled", "is_trail_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "trail_lifetime", PROPERTY_HINT_RANGE, "0.01,10,0.01,or_greater,suffix:s"), "set_trail_lifetime", "get_trail_lifetime");
ADD_GROUP("Process Material", "");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "process_material", PROPERTY_HINT_RESOURCE_TYPE, "ShaderMaterial,ParticleProcessMaterial"), "set_process_material", "get_process_material");
ADD_GROUP("Draw Passes", "draw_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "draw_passes", PROPERTY_HINT_RANGE, "0," + itos(MAX_DRAW_PASSES) + ",1"), "set_draw_passes", "get_draw_passes");
for (int i = 0; i < MAX_DRAW_PASSES; i++) {
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "draw_pass_" + itos(i + 1), PROPERTY_HINT_RESOURCE_TYPE, "Mesh"), "set_draw_pass_mesh", "get_draw_pass_mesh", i);
}
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "draw_skin", PROPERTY_HINT_RESOURCE_TYPE, "Skin"), "set_skin", "get_skin");
BIND_ENUM_CONSTANT(DRAW_ORDER_INDEX);
BIND_ENUM_CONSTANT(DRAW_ORDER_LIFETIME);
BIND_ENUM_CONSTANT(DRAW_ORDER_REVERSE_LIFETIME);
BIND_ENUM_CONSTANT(DRAW_ORDER_VIEW_DEPTH);
BIND_ENUM_CONSTANT(EMIT_FLAG_POSITION);
BIND_ENUM_CONSTANT(EMIT_FLAG_ROTATION_SCALE);
BIND_ENUM_CONSTANT(EMIT_FLAG_VELOCITY);
BIND_ENUM_CONSTANT(EMIT_FLAG_COLOR);
BIND_ENUM_CONSTANT(EMIT_FLAG_CUSTOM);
BIND_CONSTANT(MAX_DRAW_PASSES);
BIND_ENUM_CONSTANT(TRANSFORM_ALIGN_DISABLED);
BIND_ENUM_CONSTANT(TRANSFORM_ALIGN_Z_BILLBOARD);
BIND_ENUM_CONSTANT(TRANSFORM_ALIGN_Y_TO_VELOCITY);
BIND_ENUM_CONSTANT(TRANSFORM_ALIGN_Z_BILLBOARD_Y_TO_VELOCITY);
}
GPUParticles3D::GPUParticles3D() {
particles = RS::get_singleton()->particles_create();
RS::get_singleton()->particles_set_mode(particles, RS::PARTICLES_MODE_3D);
set_base(particles);
one_shot = false; // Needed so that set_emitting doesn't access uninitialized values
set_emitting(true);
set_one_shot(false);
set_amount_ratio(1.0);
set_amount(8);
set_lifetime(1);
set_fixed_fps(30);
set_fractional_delta(true);
set_interpolate(true);
set_pre_process_time(0);
set_explosiveness_ratio(0);
set_randomness_ratio(0);
set_trail_lifetime(0.3);
set_visibility_aabb(AABB(Vector3(-4, -4, -4), Vector3(8, 8, 8)));
set_use_local_coordinates(false);
set_draw_passes(1);
set_draw_order(DRAW_ORDER_INDEX);
set_speed_scale(1);
set_collision_base_size(collision_base_size);
set_transform_align(TRANSFORM_ALIGN_DISABLED);
}
GPUParticles3D::~GPUParticles3D() {
ERR_FAIL_NULL(RenderingServer::get_singleton());
RS::get_singleton()->free(particles);
}
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