Add emission_finished signal to Particles2D

(Also remove some Particles2D::testee method, which was unused)
Resolves #3963

4 files changed, 6 insertions, 10 deletions

diff --git a/scene/2d/particles_2d.cpp b/scene/2d/particles_2d.cpp
index da49f1b420..055bec2ca9 100644
--- a/scene/2d/particles_2d.cpp
+++ b/scene/2d/particles_2d.cpp
@@ -27,6 +27,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "particles_2d.h"
+#include "scene/scene_string_names.h"
 
 
 
@@ -451,6 +452,7 @@ void Particles2D::_process_particles(float p_delta) {
 
 	time=Math::fmod( time+frame_time, lifetime );
 	if (!emitting && active_count==0) {
+		emit_signal(SceneStringNames::get_singleton()->emission_finished);
 		set_process(false);
 
 	}
@@ -918,15 +920,6 @@ Vector2 Particles2D::get_emission_half_extents() const {
 	return extents;
 }
 
-void Particles2D::testee(int a, int b, int c, int d, int e) {
-
-	print_line(itos(a));
-	print_line(itos(b));
-	print_line(itos(c));
-	print_line(itos(d));
-	print_line(itos(e));
-}
-
 void Particles2D::set_initial_velocity(const Vector2& p_velocity) {
 
 
@@ -1092,6 +1085,8 @@ void Particles2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_emission_points","points"),&Particles2D::set_emission_points);
 	ClassDB::bind_method(D_METHOD("get_emission_points"),&Particles2D::get_emission_points);
 
+	ADD_SIGNAL(MethodInfo("emission_finished"));
+
 	ADD_PROPERTY(PropertyInfo(Variant::INT,"config/amount",PROPERTY_HINT_EXP_RANGE,"1,1024"),"set_amount","get_amount") ;
 	ADD_PROPERTY(PropertyInfo(Variant::REAL,"config/lifetime",PROPERTY_HINT_EXP_RANGE,"0.1,3600,0.1"),"set_lifetime","get_lifetime") ;
 	ADD_PROPERTYNO(PropertyInfo(Variant::REAL,"config/time_scale",PROPERTY_HINT_EXP_RANGE,"0.01,128,0.01"),"set_time_scale","get_time_scale") ;
diff --git a/scene/2d/particles_2d.h b/scene/2d/particles_2d.h
index 91f42c5222..4a2d57d6b9 100644
--- a/scene/2d/particles_2d.h
+++ b/scene/2d/particles_2d.h
@@ -162,7 +162,6 @@ private:
 	Color default_color;
 	Ref<ColorRamp> color_ramp;
 
-	void testee(int a, int b, int c, int d, int e);
 	void _process_particles(float p_delta);
 friend class ParticleAttractor2D;
 
diff --git a/scene/scene_string_names.cpp b/scene/scene_string_names.cpp
index ffa35a93d8..28a8c610e2 100644
--- a/scene/scene_string_names.cpp
+++ b/scene/scene_string_names.cpp
@@ -51,6 +51,7 @@ 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");
diff --git a/scene/scene_string_names.h b/scene/scene_string_names.h
index 125d391294..624a9147d5 100644
--- a/scene/scene_string_names.h
+++ b/scene/scene_string_names.h
@@ -80,6 +80,7 @@ public:
 	StringName sort_children;
 
 	StringName finished;
+	StringName emission_finished;
 	StringName animation_finished;
 	StringName animation_changed;
 	StringName animation_started;