1 /* 2 * Copyright (C) 2006-2019 Christopho, Solarus - http://www.solarus-games.org 3 * 4 * Solarus is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * Solarus is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 #ifndef SOLARUS_CRYSTAL_H 18 #define SOLARUS_CRYSTAL_H 19 20 #include "solarus/core/Common.h" 21 #include "solarus/core/Point.h" 22 #include "solarus/entities/Entity.h" 23 #include <list> 24 #include <string> 25 26 namespace Solarus { 27 28 /** 29 * \brief A switch that can be activated to change the state of the 30 * crystal blocks. 31 */ 32 class Crystal: public Entity { 33 34 public: 35 36 static constexpr EntityType ThisType = EntityType::CRYSTAL; 37 38 Crystal(const std::string& name, int layer, const Point& xy); 39 40 virtual EntityType get_type() const override; 41 42 virtual void notify_creating() override; 43 virtual bool is_obstacle_for(Entity& other) override; 44 virtual void notify_collision(Entity& entity_overlapping, CollisionMode collision_mode) override; 45 virtual void notify_collision(Entity& other_entity, Sprite& this_sprite, Sprite& other_sprite) override; 46 virtual bool notify_action_command_pressed() override; 47 void activate(Entity& entity_activating); 48 49 virtual void update() override; 50 virtual void set_suspended(bool suspended) override; 51 52 private: 53 54 void twinkle(); 55 56 bool state; /**< false if the orange blocks are lowered, 57 * true if the blue blocks are lowered */ 58 uint32_t next_possible_hit_date; /**< date when the crystal can be hit again */ 59 std::list<Entity*> entities_activating; /**< list of entities that recently activated this crystal */ 60 SpritePtr main_sprite; /**< Main sprite of the crystal. */ 61 SpritePtr star_sprite; /**< sprite of the star twinkling on the crystal */ 62 63 }; 64 65 } 66 67 #endif 68 69