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- /*
- * Copyright (C) 2020 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef ANTKEEPER_EBT_HPP
- #define ANTKEEPER_EBT_HPP
-
- #include "game/behavior/behavior-tree.hpp"
- #include <entt/entt.hpp>
-
- /// Entity Behavior Tree
-
- /**
- * The `ebt` namespace defines Entity Behavior Tree (EBT) nodes and an EBT context, on which EBT nodes operate.
- */
- namespace ebt {
-
- /**
- * EBT context which references an entity and its registry.
- */
- struct context
- {
- entt::registry* registry;
- entt::entity entity;
- };
-
- typedef behavior_tree::status status;
- typedef behavior_tree::node<context> node;
- typedef behavior_tree::leaf_node<context> leaf_node;
- typedef behavior_tree::decorator_node<context> decorator_node;
- typedef behavior_tree::composite_node<context> composite_node;
- typedef behavior_tree::action<context> action;
- typedef behavior_tree::condition<context> condition;
- typedef behavior_tree::inverter<context> inverter;
- typedef behavior_tree::repeater<context> repeater;
- typedef behavior_tree::succeeder<context> succeeder;
- typedef behavior_tree::sequence<context> sequence;
- typedef behavior_tree::selector<context> selector;
-
- // Actions
- status print(context& context, const std::string& text);
- status print_eid(context& context);
- status warp_to(context& context, float x, float y, float z);
-
- // Conditions
- bool is_carrying_food(const context& context);
-
- } // namespace ebt
-
- #endif // ANTKEEPER_EBT_HPP
-
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