limboai/bt/behavior_tree.cpp

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/* behavior_tree.cpp */
#include "behavior_tree.h"
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#include "core/error/error_macros.h"
#include "core/object/class_db.h"
#include "core/object/object.h"
#include "core/templates/list.h"
#include "core/variant/variant.h"
Ref<BehaviorTree> BehaviorTree::clone() const {
Ref<BehaviorTree> copy = duplicate(false);
copy->set_path("");
if (root_task.is_valid()) {
copy->root_task = root_task->clone();
}
return copy;
}
Ref<BTTask> BehaviorTree::instantiate(Node *p_agent, const Ref<Blackboard> &p_blackboard) const {
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ERR_FAIL_COND_V_MSG(root_task == nullptr, memnew(BTTask), "Trying to instance a behavior tree with no valid root task.");
Ref<BTTask> inst = root_task->clone();
inst->initialize(p_agent, p_blackboard);
return inst;
}
void BehaviorTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_description", "p_value"), &BehaviorTree::set_description);
ClassDB::bind_method(D_METHOD("get_description"), &BehaviorTree::get_description);
ClassDB::bind_method(D_METHOD("set_root_task", "p_value"), &BehaviorTree::set_root_task);
ClassDB::bind_method(D_METHOD("get_root_task"), &BehaviorTree::get_root_task);
// ClassDB::bind_method(D_METHOD("init"), &BehaviorTree::init);
ClassDB::bind_method(D_METHOD("clone"), &BehaviorTree::clone);
ClassDB::bind_method(D_METHOD("instantiate", "p_agent", "p_blackboard"), &BehaviorTree::instantiate);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "description", PROPERTY_HINT_MULTILINE_TEXT), "set_description", "get_description");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "root_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_root_task", "get_root_task");
}