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#pragma once
#include "types.h"
namespace crepe {
class ComponentManager;
/**
* \brief Base class for all components
*
* This class is the base class for all components. It provides a common
* interface for all components.
*/
class Component {
public:
struct Data {
//! The ID of the GameObject this component belongs to
const game_object_id_t id;
//! The manager of this component
ComponentManager & component_manager;
};
protected:
/**
* \param base Data
*/
Component(const Data & base);
//! Only the ComponentManager can create components
friend class crepe::ComponentManager;
public:
virtual ~Component() = default;
/**
* \brief Get the maximum number of instances for this component
*
* This method returns -1 by default, which means that there is no limit
* for the number of instances. Concrete components can override this method
* to set a limit.
*
* \return The maximum number of instances for this component
*/
virtual int get_instances_max() const { return -1; }
public:
Data data;
//! Whether the component is active
bool active = true;
};
} // namespace crepe
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