SdlResourceBase.h

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#pragma once
 
#include "SDL/ISdlResource.h"
#include "SDL/SdlResourceId.h"
#include "SDL/ESdlTypeCategory.h"
 
#include <Common/assertion.h>
 
namespace ph
{
 
class SdlResourceBase : public ISdlResource
{
protected:
    SdlResourceBase();
    SdlResourceBase(const SdlResourceBase& other);
    SdlResourceBase(SdlResourceBase&& other) = default;
 
    SdlResourceBase& operator = (const SdlResourceBase& rhs);
    SdlResourceBase& operator = (SdlResourceBase&& rhs) = default;
 
public:
    ESdlTypeCategory getDynamicCategory() const override = 0;
 
    SdlResourceId getId() const override;
 
private:
    SdlResourceId m_resourceId;
};
 
// In-header Implementations:
 
inline SdlResourceBase::SdlResourceBase() :
 
    ISdlResource(),
 
    m_resourceId(gen_sdl_resource_id())
{
    PH_ASSERT_NE(m_resourceId, EMPTY_SDL_RESOURCE_ID);
}
 
inline SdlResourceBase::SdlResourceBase(const SdlResourceBase& other) :
    
    ISdlResource(other),
 
    // ID should not be copied--it must be re-generated
    m_resourceId(gen_sdl_resource_id())
{
    PH_ASSERT_NE(m_resourceId, EMPTY_SDL_RESOURCE_ID);
}
 
inline SdlResourceId SdlResourceBase::getId() const
{
    return m_resourceId;
}
 
inline SdlResourceBase& SdlResourceBase::operator = (const SdlResourceBase& rhs)
{
    ISdlResource::operator = (rhs);
 
    // Note: m_resourceId is left unchanged--no need to re-generate as it should be done in ctors
 
    return *this;
}
 
}// end namespace ph