feat: added sound events for enemy awareness

modules/wave_survival/sound_event_node.cpp

@@ -0,0 +1,44 @@
+#include "sound_event_node.h"
+#include "macros.h"
+#include "sound_event_patchboard.h"
+
+void SoundEventNode::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("trigger_event"), &self_type::trigger_event);
+	BIND_PROPERTY(Variant::BOOL, trigger_on_ready);
+}
+
+void SoundEventNode::ready() {
+	if (this->trigger_on_ready) {
+		trigger_event();
+	}
+}
+
+void SoundEventNode::_notification(int what) {
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+
+	if (what == NOTIFICATION_READY) {
+		ready();
+	}
+}
+
+void SoundEventNode::trigger_event() {
+	SoundEventPatchboard::get_singleton()->trigger_sound(get_global_position(), this->range);
+}
+
+void SoundEventNode::set_trigger_on_ready(bool value) {
+	this->trigger_on_ready = value;
+}
+
+bool SoundEventNode::get_trigger_on_ready() const {
+	return this->trigger_on_ready;
+}
+
+void SoundEventNode::set_range(float value) {
+	this->range = value;
+}
+
+float SoundEventNode::get_range() const {
+	return this->range;
+}