Refactor to return enum instead of int in task methods

bt/tasks/blackboard/bt_check_trigger.cpp

@@ -35,7 +35,7 @@ String BTCheckTrigger::_generate_name() const {
 	return "CheckTrigger " + LimboUtility::get_singleton()->decorate_var(variable);
 }
 
-int BTCheckTrigger::_tick(double p_delta) {
+BT::Status BTCheckTrigger::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(variable.is_empty(), FAILURE, "BBCheckVar: `variable` is not set.");
 	Variant trigger_value = get_blackboard()->get_var(variable, false);
 	if (trigger_value == Variant(true)) {

bt/tasks/blackboard/bt_check_trigger.h

@@ -27,7 +27,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_variable(String p_variable);

bt/tasks/blackboard/bt_check_var.cpp

@@ -54,7 +54,7 @@ String BTCheckVar::_generate_name() const {
 			value.is_valid() ? Variant(value) : Variant("???"));
 }
 
-int BTCheckVar::_tick(double p_delta) {
+BT::Status BTCheckVar::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(variable.is_empty(), FAILURE, "BTCheckVar: `variable` is not set.");
 	ERR_FAIL_COND_V_MSG(!value.is_valid(), FAILURE, "BTCheckVar: `value` is not set.");
 

bt/tasks/blackboard/bt_check_var.h

@@ -30,7 +30,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	virtual PackedStringArray get_configuration_warnings() const override;

bt/tasks/blackboard/bt_set_var.cpp

@@ -24,7 +24,7 @@ String BTSetVar::_generate_name() const {
 			value.is_valid() ? Variant(value) : Variant("???"));
 }
 
-int BTSetVar::_tick(double p_delta) {
+BT::Status BTSetVar::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(variable.is_empty(), FAILURE, "BTSetVar: `variable` is not set.");
 	ERR_FAIL_COND_V_MSG(!value.is_valid(), FAILURE, "BTSetVar: `value` is not set.");
 	Variant error_result = SNAME("Error: BTSetVar failed to get value!");

bt/tasks/blackboard/bt_set_var.h

@@ -30,7 +30,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	virtual PackedStringArray get_configuration_warnings() const override;

bt/tasks/bt_task.cpp

@@ -26,6 +26,13 @@
 #include "core/templates/hash_map.h"
 #include "core/variant/variant.h"
 
+void BT::_bind_methods() {
+	BIND_ENUM_CONSTANT(FRESH);
+	BIND_ENUM_CONSTANT(RUNNING);
+	BIND_ENUM_CONSTANT(FAILURE);
+	BIND_ENUM_CONSTANT(SUCCESS);
+}
+
 String BTTask::_generate_name() const {
 	if (get_script_instance()) {
 		if (get_script_instance()->has_method(LimboStringNames::get_singleton()->_generate_name)) {
@@ -149,7 +156,7 @@ Ref<BTTask> BTTask::clone() const {
 	return inst;
 }
 
-int BTTask::execute(double p_delta) {
+BT::Status BTTask::execute(double p_delta) {
 	if (data.status != RUNNING) {
 		// Reset children status.
 		if (data.status != FRESH) {
@@ -340,12 +347,6 @@ void BTTask::_bind_methods() {
 	GDVIRTUAL_BIND(_tick, "p_delta");
 	GDVIRTUAL_BIND(_generate_name);
 	GDVIRTUAL_BIND(_get_configuration_warning);
-
-	// Enums.
-	ClassDB::bind_integer_constant(get_class_static(), "TaskStatus", "FRESH", FRESH);
-	ClassDB::bind_integer_constant(get_class_static(), "TaskStatus", "RUNNING", RUNNING);
-	ClassDB::bind_integer_constant(get_class_static(), "TaskStatus", "FAILURE", FAILURE);
-	ClassDB::bind_integer_constant(get_class_static(), "TaskStatus", "SUCCESS", SUCCESS);
 }
 
 BTTask::BTTask() {

bt/tasks/bt_task.h

@@ -25,17 +25,31 @@
 #include "core/variant/dictionary.h"
 #include "scene/resources/texture.h"
 
-class BTTask : public Resource {
+/**
-	GDCLASS(BTTask, Resource);
+ * Base class for BTTask.
+ * Note: In order to properly return Status in the _tick virtual method (GDVIRTUAL1R...)
+ * we must do VARIANT_ENUM_CAST for Status enum before the actual BTTask class declaration.
+ */
+class BT : public Resource {
+	GDCLASS(BT, Resource);
 
 public:
-	enum TaskStatus {
+	enum Status {
 		FRESH,
 		RUNNING,
 		FAILURE,
 		SUCCESS,
 	};
 
+protected:
+	static void _bind_methods();
+};
+
+VARIANT_ENUM_CAST(BT::Status)
+
+class BTTask : public BT {
+	GDCLASS(BTTask, BT);
+
 private:
 	friend class BehaviorTree;
 
@@ -46,7 +60,7 @@ private:
 		Ref<Blackboard> blackboard;
 		BTTask *parent;
 		Vector<Ref<BTTask>> children;
-		int status;
+		Status status;
 		double elapsed;
 	} data;
 
@@ -60,13 +74,13 @@ protected:
 	virtual void _setup() {}
 	virtual void _enter() {}
 	virtual void _exit() {}
-	virtual int _tick(double p_delta) { return FAILURE; }
+	virtual Status _tick(double p_delta) { return FAILURE; }
 
 	GDVIRTUAL0RC(String, _generate_name);
 	GDVIRTUAL0(_setup);
 	GDVIRTUAL0(_enter);
 	GDVIRTUAL0(_exit);
-	GDVIRTUAL1R(int, _tick, double);
+	GDVIRTUAL1R(Status, _tick, double);
 	GDVIRTUAL0RC(PackedStringArray, _get_configuration_warning);
 
 public:
@@ -88,9 +102,9 @@ public:
 	virtual void initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard);
 	virtual PackedStringArray get_configuration_warnings() const;
 
-	int execute(double p_delta);
+	Status execute(double p_delta);
 	void cancel();
-	int get_status() const { return data.status; }
+	Status get_status() const { return data.status; }
 	double get_elapsed_time() const { return data.elapsed; };
 
 	Ref<BTTask> get_child(int p_idx) const;
@@ -111,6 +125,4 @@ public:
 	~BTTask();
 };
 
-VARIANT_ENUM_CAST(BTTask::TaskStatus)
-
 #endif // BTTASK_H

bt/tasks/composites/bt_dynamic_selector.cpp

@@ -15,8 +15,8 @@ void BTDynamicSelector::_enter() {
 	last_running_idx = 0;
 }
 
-int BTDynamicSelector::_tick(double p_delta) {
+BT::Status BTDynamicSelector::_tick(double p_delta) {
-	int status = SUCCESS;
+	Status status = SUCCESS;
 	int i;
 	for (i = 0; i < get_child_count(); i++) {
 		status = get_child(i)->execute(p_delta);

bt/tasks/composites/bt_dynamic_selector.h

@@ -23,7 +23,7 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_DYNAMIC_SELECTOR_H

bt/tasks/composites/bt_dynamic_sequence.cpp

@@ -15,8 +15,8 @@ void BTDynamicSequence::_enter() {
 	last_running_idx = 0;
 }
 
-int BTDynamicSequence::_tick(double p_delta) {
+BT::Status BTDynamicSequence::_tick(double p_delta) {
-	int status = SUCCESS;
+	Status status = SUCCESS;
 	int i;
 	for (i = 0; i < get_child_count(); i++) {
 		status = get_child(i)->execute(p_delta);

bt/tasks/composites/bt_dynamic_sequence.h

@@ -23,7 +23,7 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_DYNAMIC_SEQUENCE_H

bt/tasks/composites/bt_parallel.cpp

@@ -19,12 +19,12 @@ void BTParallel::_enter() {
 	}
 }
 
-int BTParallel::_tick(double p_delta) {
+BT::Status BTParallel::_tick(double p_delta) {
 	int num_succeeded = 0;
 	int num_failed = 0;
-	int return_status = RUNNING;
+	BT::Status return_status = RUNNING;
 	for (int i = 0; i < get_child_count(); i++) {
-		int status = 0;
+		Status status = BT::FRESH;
 		Ref<BTTask> child = get_child(i);
 		if (!repeat && (child->get_status() == FAILURE || child->get_status() == SUCCESS)) {
 			status = child->get_status();

bt/tasks/composites/bt_parallel.h

@@ -27,7 +27,7 @@ protected:
 	static void _bind_methods();
 
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	int get_num_successes_required() const { return num_successes_required; }

bt/tasks/composites/bt_random_selector.cpp

@@ -22,8 +22,8 @@ void BTRandomSelector::_enter() {
 	indicies.shuffle();
 }
 
-int BTRandomSelector::_tick(double p_delta) {
+BT::Status BTRandomSelector::_tick(double p_delta) {
-	int status = FAILURE;
+	Status status = FAILURE;
 	for (int i = last_running_idx; i < get_child_count(); i++) {
 		status = get_child(indicies[i])->execute(p_delta);
 		if (status != FAILURE) {

bt/tasks/composites/bt_random_selector.h

@@ -26,6 +26,6 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 #endif // BT_RANDOM_SELECTOR_H

bt/tasks/composites/bt_random_sequence.cpp

@@ -22,8 +22,8 @@ void BTRandomSequence::_enter() {
 	indicies.shuffle();
 }
 
-int BTRandomSequence::_tick(double p_delta) {
+BT::Status BTRandomSequence::_tick(double p_delta) {
-	int status = SUCCESS;
+	Status status = SUCCESS;
 	for (int i = last_running_idx; i < get_child_count(); i++) {
 		status = get_child(indicies[i])->execute(p_delta);
 		if (status != SUCCESS) {

bt/tasks/composites/bt_random_sequence.h

@@ -26,6 +26,6 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 #endif // BT_RANDOM_SEQUENCE_H

bt/tasks/composites/bt_selector.cpp

@@ -15,8 +15,8 @@ void BTSelector::_enter() {
 	last_running_idx = 0;
 }
 
-int BTSelector::_tick(double p_delta) {
+BT::Status BTSelector::_tick(double p_delta) {
-	int status = FAILURE;
+	Status status = FAILURE;
 	for (int i = last_running_idx; i < get_child_count(); i++) {
 		status = get_child(i)->execute(p_delta);
 		if (status != FAILURE) {

bt/tasks/composites/bt_selector.h

@@ -23,6 +23,6 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 #endif // BT_SELECTOR_H

bt/tasks/composites/bt_sequence.cpp

@@ -15,8 +15,8 @@ void BTSequence::_enter() {
 	last_running_idx = 0;
 }
 
-int BTSequence::_tick(double p_delta) {
+BT::Status BTSequence::_tick(double p_delta) {
-	int status = SUCCESS;
+	Status status = SUCCESS;
 	for (int i = last_running_idx; i < get_child_count(); i++) {
 		status = get_child(i)->execute(p_delta);
 		if (status != SUCCESS) {

bt/tasks/composites/bt_sequence.h

@@ -23,7 +23,7 @@ private:
 
 protected:
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_SEQUENCE_H

bt/tasks/decorators/bt_always_fail.cpp

@@ -11,7 +11,7 @@
 
 #include "bt_always_fail.h"
 
-int BTAlwaysFail::_tick(double p_delta) {
+BT::Status BTAlwaysFail::_tick(double p_delta) {
 	if (get_child_count() > 0 && get_child(0)->execute(p_delta) == RUNNING) {
 		return RUNNING;
 	}

bt/tasks/decorators/bt_always_fail.h

@@ -19,7 +19,7 @@ class BTAlwaysFail : public BTDecorator {
 	TASK_CATEGORY(Decorators);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_ALWAYS_FAIL_H

bt/tasks/decorators/bt_always_succeed.cpp

@@ -11,7 +11,7 @@
 
 #include "bt_always_succeed.h"
 
-int BTAlwaysSucceed::_tick(double p_delta) {
+BT::Status BTAlwaysSucceed::_tick(double p_delta) {
 	if (get_child_count() > 0 && get_child(0)->execute(p_delta) == RUNNING) {
 		return RUNNING;
 	}

bt/tasks/decorators/bt_always_succeed.h

@@ -19,7 +19,7 @@ class BTAlwaysSucceed : public BTDecorator {
 	TASK_CATEGORY(Decorators);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_ALWAYS_SUCCEED_H

bt/tasks/decorators/bt_cooldown.cpp

@@ -59,12 +59,12 @@ void BTCooldown::_setup() {
 	}
 }
 
-int BTCooldown::_tick(double p_delta) {
+BT::Status BTCooldown::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_blackboard()->get_var(cooldown_state_var, true)) {
 		return FAILURE;
 	}
-	int status = get_child(0)->execute(p_delta);
+	Status status = get_child(0)->execute(p_delta);
 	if (status == SUCCESS || (trigger_on_failure && status == FAILURE)) {
 		_chill();
 	}

bt/tasks/decorators/bt_cooldown.h

@@ -37,7 +37,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _setup() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_duration(double p_value);

bt/tasks/decorators/bt_delay.cpp

@@ -27,7 +27,7 @@ String BTDelay::_generate_name() const {
 	return vformat("Delay %s sec", Math::snapped(seconds, 0.001));
 }
 
-int BTDelay::_tick(double p_delta) {
+BT::Status BTDelay::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_elapsed_time() <= seconds) {
 		return RUNNING;

bt/tasks/decorators/bt_delay.h

@@ -25,7 +25,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_seconds(double p_value);

bt/tasks/decorators/bt_for_each.cpp

@@ -42,7 +42,7 @@ void BTForEach::_enter() {
 	current_idx = 0;
 }
 
-int BTForEach::_tick(double p_delta) {
+BT::Status BTForEach::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "ForEach decorator has no child.");
 	ERR_FAIL_COND_V_MSG(save_var.is_empty(), FAILURE, "ForEach save variable is not set.");
 	ERR_FAIL_COND_V_MSG(array_var.is_empty(), FAILURE, "ForEach array variable is not set.");
@@ -54,7 +54,7 @@ int BTForEach::_tick(double p_delta) {
 	Variant elem = arr.get(current_idx);
 	get_blackboard()->set_var(save_var, elem);
 
-	int status = get_child(0)->execute(p_delta);
+	Status status = get_child(0)->execute(p_delta);
 	if (status == RUNNING) {
 		return RUNNING;
 	} else if (status == FAILURE) {

bt/tasks/decorators/bt_for_each.h

@@ -29,7 +29,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_array_var(String p_value);

bt/tasks/decorators/bt_invert.cpp

@@ -11,9 +11,9 @@
 
 #include "bt_invert.h"
 
-int BTInvert::_tick(double p_delta) {
+BT::Status BTInvert::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
-	int status = get_child(0)->execute(p_delta);
+	Status status = get_child(0)->execute(p_delta);
 	if (status == SUCCESS) {
 		status = FAILURE;
 	} else if (status == FAILURE) {

bt/tasks/decorators/bt_invert.h

@@ -19,7 +19,7 @@ class BTInvert : public BTDecorator {
 	TASK_CATEGORY(Decorators);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_INVERT_H

bt/tasks/decorators/bt_new_scope.cpp

@@ -29,7 +29,7 @@ void BTNewScope::initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard)
 	BTDecorator::initialize(p_agent, bb);
 }
 
-int BTNewScope::_tick(double p_delta) {
+BT::Status BTNewScope::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	return get_child(0)->execute(p_delta);
 }

bt/tasks/decorators/bt_new_scope.h

@@ -27,7 +27,7 @@ protected:
 	void _set_blackboard_data(const Dictionary &p_value) { blackboard_data = p_value; }
 	Dictionary _get_blackboard_data() const { return blackboard_data; }
 
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	virtual void initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard) override;

bt/tasks/decorators/bt_probability.cpp

@@ -20,7 +20,7 @@ String BTProbability::_generate_name() const {
 	return vformat("Probability %.1f%%", run_chance);
 }
 
-int BTProbability::_tick(double p_delta) {
+BT::Status BTProbability::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_child(0)->get_status() == RUNNING || Math::randf() <= run_chance) {
 		return get_child(0)->execute(p_delta);

bt/tasks/decorators/bt_probability.h

@@ -25,7 +25,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_run_chance(float p_value);

bt/tasks/decorators/bt_repeat.cpp

@@ -31,9 +31,9 @@ void BTRepeat::_enter() {
 	cur_iteration = 1;
 }
 
-int BTRepeat::_tick(double p_delta) {
+BT::Status BTRepeat::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
-	int status = get_child(0)->execute(p_delta);
+	Status status = get_child(0)->execute(p_delta);
 	if (status == RUNNING || forever) {
 		return RUNNING;
 	} else if (status == FAILURE && abort_on_failure) {

bt/tasks/decorators/bt_repeat.h

@@ -31,7 +31,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_forever(bool p_forever);

bt/tasks/decorators/bt_repeat_until_failure.cpp

@@ -11,7 +11,7 @@
 
 #include "bt_repeat_until_failure.h"
 
-int BTRepeatUntilFailure::_tick(double p_delta) {
+BT::Status BTRepeatUntilFailure::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_child(0)->execute(p_delta) == FAILURE) {
 		return SUCCESS;

bt/tasks/decorators/bt_repeat_until_failure.h

@@ -19,7 +19,7 @@ class BTRepeatUntilFailure : public BTDecorator {
 	TASK_CATEGORY(Decorators);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_REPEAT_UNTIL_FAILURE_H

bt/tasks/decorators/bt_repeat_until_success.cpp

@@ -11,7 +11,7 @@
 
 #include "bt_repeat_until_success.h"
 
-int BTRepeatUntilSuccess::_tick(double p_delta) {
+BT::Status BTRepeatUntilSuccess::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_child(0)->execute(p_delta) == SUCCESS) {
 		return SUCCESS;

bt/tasks/decorators/bt_repeat_until_success.h

@@ -19,7 +19,7 @@ class BTRepeatUntilSuccess : public BTDecorator {
 	TASK_CATEGORY(Decorators);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_REPEAT_UNTIL_SUCCESS_H

bt/tasks/decorators/bt_run_limit.cpp

@@ -20,7 +20,7 @@ String BTRunLimit::_generate_name() const {
 	return vformat("RunLimit x%d", run_limit);
 }
 
-int BTRunLimit::_tick(double p_delta) {
+BT::Status BTRunLimit::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
 	if (get_child(0)->get_status() != RUNNING) {
 		if (num_runs >= run_limit) {

bt/tasks/decorators/bt_run_limit.h

@@ -26,7 +26,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_run_limit(int p_value);

bt/tasks/decorators/bt_subtree.cpp

@@ -46,7 +46,7 @@ void BTSubtree::initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard) {
 	BTNewScope::initialize(p_agent, p_blackboard);
 }
 
-int BTSubtree::_tick(double p_delta) {
+BT::Status BTSubtree::_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);
 }

bt/tasks/decorators/bt_subtree.h

@@ -27,7 +27,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_subtree(const Ref<BehaviorTree> &p_value);

bt/tasks/decorators/bt_time_limit.cpp

@@ -22,9 +22,9 @@ String BTTimeLimit::_generate_name() const {
 	return vformat("TimeLimit %s sec", Math::snapped(time_limit, 0.001));
 }
 
-int BTTimeLimit::_tick(double p_delta) {
+BT::Status BTTimeLimit::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator has no child.");
-	int status = get_child(0)->execute(p_delta);
+	Status status = get_child(0)->execute(p_delta);
 	if (status == RUNNING && get_elapsed_time() >= time_limit) {
 		get_child(0)->cancel();
 		return FAILURE;

bt/tasks/decorators/bt_time_limit.h

@@ -25,7 +25,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_time_limit(double p_value);

bt/tasks/scene/bt_await_animation.cpp

@@ -69,7 +69,7 @@ void BTAwaitAnimation::_setup() {
 	setup_failed = false;
 }
 
-int BTAwaitAnimation::_tick(double p_delta) {
+BT::Status BTAwaitAnimation::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(setup_failed == true, FAILURE, "BTAwaitAnimation: _setup() failed - returning FAILURE.");
 
 	// ! Doing this check instead of using signal due to a bug in Godot: https://github.com/godotengine/godot/issues/76127

bt/tasks/scene/bt_await_animation.h

@@ -35,7 +35,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _setup() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_animation_player(Ref<BBNode> p_animation_player);

bt/tasks/scene/bt_call_method.cpp

@@ -55,7 +55,7 @@ String BTCallMethod::_generate_name() const {
 			(node_param.is_valid() && !node_param->to_string().is_empty() ? node_param->to_string() : "???"));
 }
 
-int BTCallMethod::_tick(double p_delta) {
+BT::Status BTCallMethod::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(method == StringName(), FAILURE, "BTCallMethod: Method Name is not set.");
 	ERR_FAIL_COND_V_MSG(node_param.is_null(), FAILURE, "BTCallMethod: Node parameter is not set.");
 	Object *obj = node_param->get_value(get_agent(), get_blackboard());

bt/tasks/scene/bt_call_method.h

@@ -29,7 +29,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_method(StringName p_method_name);

bt/tasks/scene/bt_check_agent_property.cpp

@@ -54,7 +54,7 @@ String BTCheckAgentProperty::_generate_name() const {
 			value.is_valid() ? Variant(value) : Variant("???"));
 }
 
-int BTCheckAgentProperty::_tick(double p_delta) {
+BT::Status BTCheckAgentProperty::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(property == StringName(), FAILURE, "BTCheckAgentProperty: `property` is not set.");
 	ERR_FAIL_COND_V_MSG(!value.is_valid(), FAILURE, "BTCheckAgentProperty: `value` is not set.");
 

bt/tasks/scene/bt_check_agent_property.h

@@ -32,7 +32,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_property(StringName p_prop);

bt/tasks/scene/bt_pause_animation.cpp

@@ -49,7 +49,7 @@ void BTPauseAnimation::_setup() {
 	setup_failed = false;
 }
 
-int BTPauseAnimation::_tick(double p_delta) {
+BT::Status BTPauseAnimation::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(setup_failed == true, FAILURE, "BTPauseAnimation: _setup() failed - returning FAILURE.");
 	animation_player->pause();
 	return SUCCESS;

bt/tasks/scene/bt_pause_animation.h

@@ -33,7 +33,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _setup() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_animation_player(Ref<BBNode> p_animation_player);

bt/tasks/scene/bt_play_animation.cpp

@@ -94,7 +94,7 @@ void BTPlayAnimation::_enter() {
 	}
 }
 
-int BTPlayAnimation::_tick(double p_delta) {
+BT::Status BTPlayAnimation::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(setup_failed == true, FAILURE, "BTPlayAnimation: _setup() failed - returning FAILURE.");
 
 	// ! Doing this check instead of using signal due to a bug in Godot: https://github.com/godotengine/godot/issues/76127

bt/tasks/scene/bt_play_animation.h

@@ -39,7 +39,7 @@ protected:
 	virtual String _generate_name() const override;
 	virtual void _setup() override;
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_animation_player(Ref<BBNode> p_animation_player);

bt/tasks/scene/bt_set_agent_property.cpp

@@ -44,7 +44,7 @@ String BTSetAgentProperty::_generate_name() const {
 			value.is_valid() ? Variant(value) : Variant("???"));
 }
 
-int BTSetAgentProperty::_tick(double p_delta) {
+BT::Status BTSetAgentProperty::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(property == StringName(), FAILURE, "BTSetAgentProperty: `property` is not set.");
 	ERR_FAIL_COND_V_MSG(!value.is_valid(), FAILURE, "BTSetAgentProperty: `value` is not set.");
 

bt/tasks/scene/bt_set_agent_property.h

@@ -28,7 +28,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	virtual PackedStringArray get_configuration_warnings() const override;

bt/tasks/scene/bt_stop_animation.cpp

@@ -64,7 +64,7 @@ void BTStopAnimation::_setup() {
 	setup_failed = false;
 }
 
-int BTStopAnimation::_tick(double p_delta) {
+BT::Status BTStopAnimation::_tick(double p_delta) {
 	ERR_FAIL_COND_V_MSG(setup_failed == true, FAILURE, "BTStopAnimation: _setup() failed - returning FAILURE.");
 	if (animation_player->is_playing() && (animation_name == StringName() || animation_name == animation_player->get_assigned_animation())) {
 		animation_player->stop(keep_state);

bt/tasks/scene/bt_stop_animation.h

@@ -35,7 +35,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _setup() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_animation_player(Ref<BBNode> p_animation_player);

bt/tasks/utility/bt_console_print.cpp

@@ -29,7 +29,7 @@ String BTConsolePrint::_generate_name() const {
 	return vformat("ConsolePrint  text: \"%s\"", tx);
 }
 
-int BTConsolePrint::_tick(double p_delta) {
+BT::Status BTConsolePrint::_tick(double p_delta) {
 	switch (bb_format_parameters.size()) {
 		case 0: {
 			print_line(text);

bt/tasks/utility/bt_console_print.h

@@ -28,7 +28,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_text(String p_value) {

bt/tasks/utility/bt_fail.cpp

@@ -11,6 +11,6 @@
 
 #include "bt_fail.h"
 
-int BTFail::_tick(double p_delta) {
+BT::Status BTFail::_tick(double p_delta) {
 	return FAILURE;
 }

bt/tasks/utility/bt_fail.h

@@ -19,7 +19,7 @@ class BTFail : public BTAction {
 	TASK_CATEGORY(Utility);
 
 protected:
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 };
 
 #endif // BT_FAIL_H

bt/tasks/utility/bt_random_wait.cpp

@@ -23,7 +23,7 @@ void BTRandomWait::_enter() {
 	duration = Math::random(min_duration, max_duration);
 }
 
-int BTRandomWait::_tick(double p_delta) {
+BT::Status BTRandomWait::_tick(double p_delta) {
 	if (get_elapsed_time() < duration) {
 		return RUNNING;
 	} else {

bt/tasks/utility/bt_random_wait.h

@@ -29,7 +29,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_min_duration(double p_max_duration);

bt/tasks/utility/bt_wait.cpp

@@ -20,7 +20,7 @@ String BTWait::_generate_name() const {
 	return vformat("Wait %s sec", Math::snapped(duration, 0.001));
 }
 
-int BTWait::_tick(double p_delta) {
+BT::Status BTWait::_tick(double p_delta) {
 	if (get_elapsed_time() < duration) {
 		return RUNNING;
 	} else {

bt/tasks/utility/bt_wait.h

@@ -25,7 +25,7 @@ protected:
 	static void _bind_methods();
 
 	virtual String _generate_name() const override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_duration(double p_value) {

bt/tasks/utility/bt_wait_ticks.cpp

@@ -22,7 +22,7 @@ void BTWaitTicks::_enter() {
 	num_passed = 0;
 }
 
-int BTWaitTicks::_tick(double p_delta) {
+BT::Status BTWaitTicks::_tick(double p_delta) {
 	if (num_passed < num_ticks) {
 		num_passed += 1;
 		return RUNNING;

bt/tasks/utility/bt_wait_ticks.h

@@ -28,7 +28,7 @@ protected:
 
 	virtual String _generate_name() const override;
 	virtual void _enter() override;
-	virtual int _tick(double p_delta) override;
+	virtual Status _tick(double p_delta) override;
 
 public:
 	void set_num_ticks(int p_value) {

config.py

@@ -57,6 +57,7 @@ def get_doc_classes():
         "BehaviorTree",
         "BehaviorTreeView",
         "Blackboard",
+        "BT",
         "BTAction",
         "BTAlwaysFail",
         "BTAlwaysSucceed",

register_types.cpp

@@ -117,6 +117,7 @@ void initialize_limboai_module(ModuleInitializationLevel p_level) {
 		GDREGISTER_CLASS(LimboState);
 		GDREGISTER_CLASS(LimboHSM);
 
+		GDREGISTER_ABSTRACT_CLASS(BT);
 		GDREGISTER_ABSTRACT_CLASS(BTTask);
 		GDREGISTER_CLASS(BehaviorTree);
 		GDREGISTER_CLASS(BTPlayer);

tests/limbo_test.h

@@ -37,7 +37,7 @@ class BTTestAction : public BTAction {
 	GDCLASS(BTTestAction, BTAction);
 
 public:
-	int ret_status = BTTask::SUCCESS;
+	Status ret_status = BTTask::SUCCESS;
 	int num_entries = 0;
 	int num_ticks = 0;
 	int num_exits = 0;
@@ -46,15 +46,15 @@ protected:
 	virtual void _enter() override { num_entries += 1; }
 	virtual void _exit() override { num_exits += 1; }
 
-	virtual int _tick(double p_delta) override {
+	virtual Status _tick(double p_delta) override {
 		num_ticks += 1;
 		return ret_status;
 	}
 
 public:
-	bool is_status_either(int p_status1, int p_status2) { return (get_status() == p_status1 || get_status() == p_status2); }
+	bool is_status_either(Status p_status1, Status p_status2) { return (get_status() == p_status1 || get_status() == p_status2); }
 
-	BTTestAction(int p_return_status) { ret_status = p_return_status; }
+	BTTestAction(Status p_return_status) { ret_status = p_return_status; }
 	BTTestAction() {}
 };