From e1c8ce4a580fdfa8394788e204f4990dd3460305 Mon Sep 17 00:00:00 2001
From: Serhii Snitsaruk <limbonaut@pm.me>
Date: Mon, 22 Apr 2024 11:07:11 +0200
Subject: [PATCH] BTDecorator: Add default `_tick` implementation

The default implementation simply ticks the child task and returns its status.
---
 bt/tasks/bt_decorator.cpp | 5 +++++
 bt/tasks/bt_decorator.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/bt/tasks/bt_decorator.cpp b/bt/tasks/bt_decorator.cpp
index 1df4c1e..1646760 100644
--- a/bt/tasks/bt_decorator.cpp
+++ b/bt/tasks/bt_decorator.cpp
@@ -18,3 +18,8 @@ PackedStringArray BTDecorator::get_configuration_warnings() {
 	}
 	return warnings;
 }
+
+BT::Status BTDecorator::_tick(double p_delta) {
+	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator doesn't have a child.");
+	return get_child(0)->execute(p_delta);
+}
diff --git a/bt/tasks/bt_decorator.h b/bt/tasks/bt_decorator.h
index 4dd4320..ebfa91f 100644
--- a/bt/tasks/bt_decorator.h
+++ b/bt/tasks/bt_decorator.h
@@ -17,6 +17,9 @@
 class BTDecorator : public BTTask {
 	GDCLASS(BTDecorator, BTTask)
 
+protected:
+	virtual Status _tick(double p_delta) override;
+
 public:
 	virtual PackedStringArray get_configuration_warnings() override;
 };