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Add finished signal to CPUParticles

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This commit is contained in:
HolonProduction 2023-05-09 10:18:08 +02:00
parent 7030ac555f
commit a1c0d206e8
8 changed files with 54 additions and 34 deletions
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7
doc/classes/CPUParticles2D.xml
View file

@ -285,6 +285,13 @@
Particle texture. If [code]null[/code], particles will be squares.
</member>
</members>
<signals>
<signal name="finished">
<description>
Emitted when all active particles have finished processing. When [member one_shot] is disabled, particles will process continuously, so this is never emitted.
</description>
</signal>
</signals>
<constants>
<constant name="DRAW_ORDER_INDEX" value="0" enum="DrawOrder">
Particles are drawn in the order emitted.

7
doc/classes/CPUParticles3D.xml
View file

@ -309,6 +309,13 @@
Minimum tangent acceleration.
</member>
</members>
<signals>
<signal name="finished">
<description>
Emitted when all active particles have finished processing. When [member one_shot] is disabled, particles will process continuously, so this is never emitted.
</description>
</signal>
</signals>
<constants>
<constant name="DRAW_ORDER_INDEX" value="0" enum="DrawOrder">
Particles are drawn in the order emitted.

34
scene/2d/cpu_particles_2d.cpp
View file

@ -33,6 +33,7 @@
#include "core/core_string_names.h"
#include "scene/2d/gpu_particles_2d.h"
#include "scene/resources/particle_process_material.h"
#include "scene/scene_string_names.h"
void CPUParticles2D::set_emitting(bool p_emitting) {
if (emitting == p_emitting) {
@ -41,6 +42,7 @@ void CPUParticles2D::set_emitting(bool p_emitting) {
emitting = p_emitting;
if (emitting) {
active = true;
set_process_internal(true);
}
}
@ -259,7 +261,6 @@ PackedStringArray CPUParticles2D::get_configuration_warnings() const {
void CPUParticles2D::restart() {
time = 0;
inactive_time = 0;
frame_remainder = 0;
cycle = 0;
emitting = false;
@ -561,21 +562,15 @@ void CPUParticles2D::_update_internal() {
}
double delta = get_process_delta_time();
if (emitting) {
inactive_time = 0;
} else {
inactive_time += delta;
if (inactive_time > lifetime * 1.2) {
set_process_internal(false);
_set_do_redraw(false);
if (!active && !emitting) {
set_process_internal(false);
_set_do_redraw(false);
//reset variables
time = 0;
inactive_time = 0;
frame_remainder = 0;
cycle = 0;
return;
}
//reset variables
time = 0;
frame_remainder = 0;
cycle = 0;
return;
}
_set_do_redraw(true);
@ -650,6 +645,7 @@ void CPUParticles2D::_particles_process(double p_delta) {
double system_phase = time / lifetime;
bool should_be_active = false;
for (int i = 0; i < pcount; i++) {
Particle &p = parray[i];
@ -994,6 +990,12 @@ void CPUParticles2D::_particles_process(double p_delta) {
p.transform.columns[1] *= base_scale.y;
p.transform[2] += p.velocity * local_delta;
should_be_active = true;
}
if (!Math::is_equal_approx(time, 0.0) && active && !should_be_active) {
active = false;
emit_signal(SceneStringNames::get_singleton()->finished);
}
}
@ -1364,6 +1366,8 @@ void CPUParticles2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &CPUParticles2D::convert_from_particles);
ADD_SIGNAL(MethodInfo("finished"));
ADD_GROUP("Emission Shape", "emission_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Sphere Surface,Rectangle,Points,Directed Points", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_emission_shape", "get_emission_shape");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01,suffix:px"), "set_emission_sphere_radius", "get_emission_sphere_radius");

2
scene/2d/cpu_particles_2d.h
View file

@ -78,6 +78,7 @@ public:
private:
bool emitting = false;
bool active = false;
struct Particle {
Transform2D transform;
@ -99,7 +100,6 @@ private:
};
double time = 0.0;
double inactive_time = 0.0;
double frame_remainder = 0.0;
int cycle = 0;
bool do_redraw = false;

34
scene/3d/cpu_particles_3d.cpp
View file

@ -34,6 +34,7 @@
#include "scene/3d/gpu_particles_3d.h"
#include "scene/main/viewport.h"
#include "scene/resources/particle_process_material.h"
#include "scene/scene_string_names.h"
AABB CPUParticles3D::get_aabb() const {
return AABB();
@ -46,6 +47,7 @@ void CPUParticles3D::set_emitting(bool p_emitting) {
emitting = p_emitting;
if (emitting) {
active = true;
set_process_internal(true);
// first update before rendering to avoid one frame delay after emitting starts
@ -220,7 +222,6 @@ PackedStringArray CPUParticles3D::get_configuration_warnings() const {
void CPUParticles3D::restart() {
time = 0;
inactive_time = 0;
frame_remainder = 0;
cycle = 0;
emitting = false;
@ -575,21 +576,15 @@ void CPUParticles3D::_update_internal() {
}
double delta = get_process_delta_time();
if (emitting) {
inactive_time = 0;
} else {
inactive_time += delta;
if (inactive_time > lifetime * 1.2) {
set_process_internal(false);
_set_redraw(false);
if (!active && !emitting) {
set_process_internal(false);
_set_redraw(false);
//reset variables
time = 0;
inactive_time = 0;
frame_remainder = 0;
cycle = 0;
return;
}
//reset variables
time = 0;
frame_remainder = 0;
cycle = 0;
return;
}
_set_redraw(true);
@ -670,6 +665,7 @@ void CPUParticles3D::_particles_process(double p_delta) {
double system_phase = time / lifetime;
bool should_be_active = false;
for (int i = 0; i < pcount; i++) {
Particle &p = parray[i];
@ -1136,6 +1132,12 @@ void CPUParticles3D::_particles_process(double p_delta) {
}
p.transform.origin += p.velocity * local_delta;
should_be_active = true;
}
if (!Math::is_equal_approx(time, 0.0) && active && !should_be_active) {
active = false;
emit_signal(SceneStringNames::get_singleton()->finished);
}
}
@ -1543,6 +1545,8 @@ void CPUParticles3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &CPUParticles3D::convert_from_particles);
ADD_SIGNAL(MethodInfo("finished"));
ADD_GROUP("Emission Shape", "emission_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Sphere Surface,Box,Points,Directed Points,Ring", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_emission_shape", "get_emission_shape");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01"), "set_emission_sphere_radius", "get_emission_sphere_radius");

2
scene/3d/cpu_particles_3d.h
View file

@ -81,6 +81,7 @@ public:
private:
bool emitting = false;
bool active = false;
struct Particle {
Transform3D transform;
@ -101,7 +102,6 @@ private:
};
double time = 0.0;
double inactive_time = 0.0;
double frame_remainder = 0.0;
int cycle = 0;
bool redraw = false;

1
scene/scene_string_names.cpp
View file

@ -57,7 +57,6 @@ SceneStringNames::SceneStringNames() {
sleeping_state_changed = StaticCString::create("sleeping_state_changed");
finished = StaticCString::create("finished");
emission_finished = StaticCString::create("emission_finished");
animation_finished = StaticCString::create("animation_finished");
animation_changed = StaticCString::create("animation_changed");
animation_started = StaticCString::create("animation_started");

1
scene/scene_string_names.h
View file

@ -93,7 +93,6 @@ public:
StringName sort_children;
StringName finished;
StringName emission_finished;
StringName animation_finished;
StringName animation_changed;
StringName animation_started;