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#ifndef Magnum_Trade_ObjectData_h
#define Magnum_Trade_ObjectData_h
/*
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
This file is part of Magnum.
Magnum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
only, as published by the Free Software Foundation.
Magnum 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 Lesser General Public License version 3 for more details.
*/
/** @file
* @brief Class Magnum::Trade::ObjectData
*/
#include "Magnum.h"
namespace Magnum { namespace Trade {
/**
@brief %Object data
Provides access to object transformation and hierarchy. See also
MeshObjectData, which is specialized for objects with mesh instance type.
*/
class ObjectData {
ObjectData(const ObjectData& other) = delete;
ObjectData(ObjectData&& other) = delete;
ObjectData& operator=(const ObjectData& other) = delete;
ObjectData& operator=(ObjectData&& other) = delete;
public:
/** @brief Instance type */
enum class InstanceType {
Camera, /**< Camera instance (see CameraData) */
Light, /**< Light instance (see LightData) */
Mesh, /**< Mesh instance (see MeshData) */
Empty /**< Empty */
};
/**
* @brief Constructor
* @param name Object name
* @param children Child objects
* @param transformation Transformation (relative to parent)
* @param instanceType Instance type
* @param instanceId Instance ID
*/
inline ObjectData(const std::string& name, const std::vector<unsigned int>& children, const Matrix4& transformation, InstanceType instanceType, unsigned int instanceId): _name(name), _children(children), _transformation(transformation), _instanceType(instanceType), _instanceId(instanceId) {}
/**
* @brief Constructor for empty instance
* @param name Object name
* @param children Child objects
* @param transformation Transformation (relative to parent)
*/
inline ObjectData(const std::string& name, const std::vector<unsigned int>& children, const Matrix4& transformation): _name(name), _children(children), _transformation(transformation), _instanceType(InstanceType::Empty), _instanceId(-1) {}
/** @brief Destructor */
inline virtual ~ObjectData() {}
/** @brief %Object name */
inline std::string name() const { return _name; }
/** @brief Child objects */
inline std::vector<unsigned int>& children() { return _children; }
/** @brief Transformation (relative to parent) */
inline Matrix4 transformation() const { return _transformation; }
/**
* @brief Instance type
* @return Type of instance held by this object
*
* If the instance is of type InstanceType::Mesh, the instance can be
* casted to MeshObjectData and provide more information.
*/
inline InstanceType instanceType() const { return _instanceType; }
/**
* @brief Instance ID
* @return ID of given camera / light / mesh etc., specified by
* instanceType()
*/
inline int instanceId() const { return _instanceId; }
private:
std::string _name;
std::vector<unsigned int> _children;
Matrix4 _transformation;
InstanceType _instanceType;
int _instanceId;
};
}}
#endif