Clean and improve BehaviorTree resource class
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39f504f42c
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@ -7,21 +7,21 @@
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#include "core/templates/list.h"
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#include "core/variant/variant.h"
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void BehaviorTree::init() {
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List<BTTask *> stack;
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BTTask *task = root_task.ptr();
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while (task != nullptr) {
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for (int i = 0; i < task->get_child_count(); i++) {
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task->get_child(i)->parent = task;
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stack.push_back(task->get_child(i).ptr());
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}
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task = nullptr;
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if (!stack.is_empty()) {
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task = stack.front()->get();
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stack.pop_front();
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}
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}
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}
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// void BehaviorTree::init() {
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// List<BTTask *> stack;
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// BTTask *task = root_task.ptr();
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// while (task != nullptr) {
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// for (int i = 0; i < task->get_child_count(); i++) {
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// task->get_child(i)->parent = task;
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// stack.push_back(task->get_child(i).ptr());
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// }
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// task = nullptr;
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// if (!stack.is_empty()) {
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// task = stack.front()->get();
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// stack.pop_front();
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// }
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// }
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// }
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Ref<BehaviorTree> BehaviorTree::clone() const {
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Ref<BehaviorTree> copy = duplicate(false);
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@ -32,7 +32,7 @@ Ref<BehaviorTree> BehaviorTree::clone() const {
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return copy;
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}
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Ref<BTTask> BehaviorTree::instance(Object *p_agent, const Ref<Blackboard> &p_blackboard) const {
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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.");
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Ref<BTTask> inst = root_task->clone();
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inst->initialize(p_agent, p_blackboard);
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@ -44,10 +44,10 @@ void BehaviorTree::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_description"), &BehaviorTree::get_description);
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ClassDB::bind_method(D_METHOD("set_root_task", "p_value"), &BehaviorTree::set_root_task);
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ClassDB::bind_method(D_METHOD("get_root_task"), &BehaviorTree::get_root_task);
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ClassDB::bind_method(D_METHOD("init"), &BehaviorTree::init);
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// ClassDB::bind_method(D_METHOD("init"), &BehaviorTree::init);
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ClassDB::bind_method(D_METHOD("clone"), &BehaviorTree::clone);
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ClassDB::bind_method(D_METHOD("instance", "p_agent", "p_blackboard"), &BehaviorTree::instance);
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ClassDB::bind_method(D_METHOD("instantiate", "p_agent", "p_blackboard"), &BehaviorTree::instantiate);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "description", PROPERTY_HINT_MULTILINE_TEXT), "set_description", "get_description");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "root_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask"), "set_root_task", "get_root_task");
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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");
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}
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@ -31,9 +31,9 @@ public:
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}
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Ref<BTTask> get_root_task() const { return root_task; }
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void init();
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// void init();
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Ref<BehaviorTree> clone() const;
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Ref<BTTask> instance(Object *p_agent, const Ref<Blackboard> &p_blackboard) const;
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Ref<BTTask> instantiate(Node *p_agent, const Ref<Blackboard> &p_blackboard) const;
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};
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#endif // BEHAVIOR_TREE_H
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@ -24,7 +24,7 @@ void BTPlayer::_load_tree() {
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// blackboard->prefetch_nodepath_vars(get_owner());
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blackboard->prefetch_nodepath_vars(this);
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}
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_root_task = _loaded_tree->instance(get_owner(), blackboard);
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_root_task = _loaded_tree->instantiate(get_owner(), blackboard);
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}
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void BTPlayer::set_behavior_tree(const Ref<BehaviorTree> &p_tree) {
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@ -7,7 +7,7 @@
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#include "modules/limboai/limbo_state.h"
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void BTState::_setup() {
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root_task = behavior_tree->instance(get_agent(), get_blackboard());
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root_task = behavior_tree->instantiate(get_agent(), get_blackboard());
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}
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void BTState::_exit() {
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@ -1,6 +1,21 @@
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[gd_resource type="BehaviorTree" load_steps=2 format=3 uid="uid://6l0b3cyvwy56"]
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[gd_resource type="BehaviorTree" load_steps=6 format=3 uid="uid://6l0b3cyvwy56"]
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[sub_resource type="BTSequence" id="BTSequence_hlsn5"]
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custom_name = "3"
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[sub_resource type="BTSequence" id="BTSequence_g3hm1"]
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custom_name = "2"
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children = [SubResource("BTSequence_hlsn5")]
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[sub_resource type="BTSequence" id="BTSequence_b0qql"]
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custom_name = "4"
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[sub_resource type="BTSequence" id="BTSequence_78a5u"]
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custom_name = "5"
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[sub_resource type="BTSequence" id="1"]
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custom_name = "1"
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children = [SubResource("BTSequence_g3hm1"), SubResource("BTSequence_b0qql"), SubResource("BTSequence_78a5u")]
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[resource]
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root_task = SubResource("1")
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