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- /*
- * Copyright (C) 2021 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_ENTITY_SYSTEM_TERRAIN_HPP
- #define ANTKEEPER_ENTITY_SYSTEM_TERRAIN_HPP
-
- #include "entity/systems/updatable.hpp"
- #include "entity/components/terrain.hpp"
- #include "entity/id.hpp"
-
- namespace entity {
- namespace system {
-
- class terrain: public updatable
- {
- public:
- terrain(entity::registry& registry);
- ~terrain();
-
- virtual void update(double t, double dt);
-
- /**
- * Sets the number of subdivisions for a patch.
- *
- * @param n Number of subdivisions.
- */
- void set_patch_subdivisions(std::uint8_t n);
-
- private:
- void on_terrain_construct(entity::registry& registry, entity::id entity_id, entity::component::terrain& component);
- void on_terrain_destroy(entity::registry& registry, entity::id entity_id);
-
- void generate_patch();
-
- std::uint8_t patch_subdivisions;
- std::size_t patch_vertex_size;
- std::size_t patch_vertex_count;
- float* patch_vertex_data;
- };
-
- } // namespace system
- } // namespace entity
-
- #endif // ANTKEEPER_ENTITY_SYSTEM_TERRAIN_HPP
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