limboai/bt/tasks/decorators/bt_subtree.cpp

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/**
* bt_subtree.cpp
* =============================================================================
* Copyright 2021-2023 Serhii Snitsaruk
*
* Use of this source code is governed by an MIT-style
* license that can be found in the LICENSE file or at
* https://opensource.org/licenses/MIT.
* =============================================================================
*/
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#include "bt_subtree.h"
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#include "bt_new_scope.h"
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#include "modules/limboai/blackboard/blackboard.h"
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#include "core/config/engine.h"
#include "core/error/error_macros.h"
#include "core/typedefs.h"
#include "core/variant/variant.h"
void BTSubtree::set_subtree(const Ref<BehaviorTree> &p_value) {
subtree = p_value;
emit_changed();
}
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String BTSubtree::_generate_name() const {
String s;
if (subtree.is_null()) {
s = "(unassigned)";
} else if (subtree->get_path().is_empty()) {
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s = "(unsaved)";
} else {
s = vformat("\"%s\"", subtree->get_path());
}
return vformat("Subtree %s", s);
}
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void BTSubtree::initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard) {
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ERR_FAIL_COND_MSG(!subtree.is_valid(), "Subtree is not assigned.");
ERR_FAIL_COND_MSG(!subtree->get_root_task().is_valid(), "Subtree root task is not valid.");
ERR_FAIL_COND_MSG(get_child_count() != 0, "Subtree task shouldn't have children during initialization.");
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add_child(subtree->get_root_task()->clone());
BTNewScope::initialize(p_agent, p_blackboard);
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}
BT::Status BTSubtree::_tick(double p_delta) {
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ERR_FAIL_COND_V_MSG(get_child_count() == 0, FAILURE, "BT decorator doesn't have a child.");
return get_child(0)->execute(p_delta);
}
PackedStringArray BTSubtree::get_configuration_warnings() const {
PackedStringArray warnings = BTTask::get_configuration_warnings(); // ! BTDecorator skipped intentionally
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if (subtree.is_null()) {
warnings.append("Subtree needs to be assigned.");
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}
return warnings;
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}
void BTSubtree::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_subtree", "p_value"), &BTSubtree::set_subtree);
ClassDB::bind_method(D_METHOD("get_subtree"), &BTSubtree::get_subtree);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "subtree", PROPERTY_HINT_RESOURCE_TYPE, "BehaviorTree"), "set_subtree", "get_subtree");
}