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#ifndef UMBRA_BACKWARDS_COMPATIBILITY_H
#define UMBRA_BACKWARDS_COMPATIBILITY_H
#include "UmbraBackwardsCompatibilityDefine.h"
#include "UmbraTomeData.h"
#include "External/Umbra/builds/interface/runtime/umbraTome.hpp"
#include "External/Umbra/builds/interface/runtime/umbraQuery.hpp"
#if SUPPORT_BACKWARDS_COMPATIBLE_UMBRA
# include "External/Umbra_3_0/source/interface/runtime/umbraTome_3_0.hpp"
# include "External/Umbra_3_0/source/interface/runtime/umbraQuery_3_0.hpp"
#endif
inline void CleanupUmbraTomeData (UmbraTomeData& tomeData)
{
if (tomeData.tome)
{
Umbra::TomeLoader::freeTome(tomeData.tome);
tomeData.tome = NULL;
}
#if SUPPORT_BACKWARDS_COMPATIBLE_UMBRA
if (tomeData.legacyTome)
{
Umbra_3_0::TomeLoader::freeTome(tomeData.legacyTome);
tomeData.legacyTome = NULL;
}
#endif
}
inline const UmbraTomeData LoadUmbraTome (const UInt8* buf, size_t bytes)
{
if (buf == NULL || bytes == 0)
return UmbraTomeData ();
const Umbra::Tome* tome = Umbra::TomeLoader::loadFromBuffer(buf, bytes);
if (tome->getStatus() == Umbra::Tome::STATUS_OK)
{
UmbraTomeData tomeData;
tomeData.tome = tome;
return tomeData;
}
#if SUPPORT_BACKWARDS_COMPATIBLE_UMBRA
if (tome && tome->getStatus() == Umbra::Tome::STATUS_OLDER_VERSION)
{
const Umbra_3_0::Tome* legacyTome = Umbra_3_0::TomeLoader::loadFromBuffer(buf, bytes);
if (legacyTome && legacyTome->getStatus() == Umbra_3_0::Tome::STATUS_OK)
{
UmbraTomeData tomeData;
tomeData.legacyTome = legacyTome;
return tomeData;
}
ErrorString("Failed to load legacy tome data");
return UmbraTomeData();
}
#endif
WarningString ("Loading deprecated Occlusion Culling is not supported. Please rebake the occlusion culling data.");
return UmbraTomeData ();
}
inline void SetGateStates( Umbra::Query* query, const UmbraTomeData& tomeData, Umbra::GateStateVector& gateVector)
{
#if SUPPORT_BACKWARDS_COMPATIBLE_UMBRA
if (tomeData.IsLegacyTome ())
{
((Umbra_3_0::QueryExt*)query)->setGateStates((const Umbra_3_0::GateStateVector*)&gateVector);
return;
}
#endif
query->setGateStates(&gateVector);
}
#if SUPPORT_BACKWARDS_COMPATIBLE_UMBRA
#define UMBRA_TOME_METHOD(TOME,method) (TOME.tome != NULL ? TOME.tome->method : TOME.legacyTome->method)
#else
#define UMBRA_TOME_METHOD(TOME,method) (TOME.tome->method)
#endif
#endif
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