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- // SuperTux - BicyclePlatform
- // Copyright (C) 2007 Christoph Sommer <christoph.sommer@2007.expires.deltadevelopment.de>
- //
- // This program 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.
- //
- // This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- #ifndef HEADER_SUPERTUX_OBJECT_BICYCLE_PLATFORM_HPP
- #define HEADER_SUPERTUX_OBJECT_BICYCLE_PLATFORM_HPP
- #include "object/path_walker.hpp"
- #include "object/moving_sprite.hpp"
- class BicyclePlatform;
- class BicyclePlatformChild : public MovingSprite
- {
- friend class BicyclePlatform;
- public:
- BicyclePlatformChild(const ReaderMapping& reader, float angle_offset, BicyclePlatform& parent);
- virtual void update(float dt_sec) override;
- virtual HitResponse collision(GameObject& other, const CollisionHit& hit) override;
- virtual bool is_saveable() const override { return false; }
- virtual void on_flip(float height) override;
- virtual void editor_delete() override;
- private:
- BicyclePlatform& m_parent;
- float m_angle_offset;
- float m_momentum; /** angular momentum in rad per second per second*/
- std::set<GameObject*> m_contacts; /**< objects that are currently pushing on the platform */
- private:
- BicyclePlatformChild(const BicyclePlatformChild&) = delete;
- BicyclePlatformChild& operator=(const BicyclePlatformChild&) = delete;
- };
- /**
- * Used to construct a pair of bicycle platforms: If one is pushed down, the other one rises
- */
- class BicyclePlatform final : public GameObject
- {
- friend class BicyclePlatformChild;
- public:
- BicyclePlatform(const ReaderMapping& reader);
- ~BicyclePlatform() override;
- virtual void draw(DrawingContext& context) override;
- virtual void update(float dt_sec) override;
- virtual void on_flip(float height) override;
- static std::string class_name() { return "bicycle-platform"; }
- virtual std::string get_class_name() const override { return class_name(); }
- static std::string display_name() { return _("Bicycle Platform"); }
- virtual std::string get_display_name() const override { return display_name(); }
- virtual ObjectSettings get_settings() override;
- virtual void editor_delete() override;
- virtual void after_editor_set() override;
- private:
- Vector m_center; /**< pivot point */
- float m_radius; /**< radius of circle */
- float m_angle; /**< current angle */
- float m_angular_speed; /**< angular speed in rad per second */
- float m_momentum_change_rate; /** Change in momentum every step **/
- std::vector<BicyclePlatformChild*> m_children;
- std::unique_ptr<PathWalker> m_walker;
- int m_platforms;
- private:
- BicyclePlatform(const BicyclePlatform&) = delete;
- BicyclePlatform& operator=(const BicyclePlatform&) = delete;
- };
- #endif
- /* EOF */
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