// EMERGENT GAME TECHNOLOGIES PROPRIETARY INFORMATION
//
// This software is supplied under the terms of a license agreement or
// nondisclosure agreement with Emergent Game Technologies and may not 
// be copied or disclosed except in accordance with the terms of that 
// agreement.
//
//      Copyright (c) 1996-2008 Emergent Game Technologies.
//      All Rights Reserved.
//
// Emergent Game Technologies, Chapel Hill, North Carolina 27517
// http://www.emergent.net

//---------------------------------------------------------------------------
inline NiMaterialInstance::NiMaterialInstance() :
    m_uiMaterialExtraData(
        (unsigned int) NiMaterialInstance::DEFAULT_EXTRA_DATA),
    m_kVertexDeclarationCache(NULL),
    m_kAdapterTable(0),
    m_eNeedsUpdate(DIRTY)
{
    /* */
}
//---------------------------------------------------------------------------
inline NiMaterialInstance::NiMaterialInstance(
    const NiMaterialInstance& kMatInst) :
    m_spCachedShader(kMatInst.m_spCachedShader),
    m_spMaterial(kMatInst.m_spMaterial),
    m_uiMaterialExtraData(kMatInst.m_uiMaterialExtraData),
    m_kVertexDeclarationCache(kMatInst.m_kVertexDeclarationCache),
    m_kAdapterTable(0),
    m_eNeedsUpdate(DIRTY)
{
    m_kAdapterTable = kMatInst.m_kAdapterTable;
    NIASSERT((m_kVertexDeclarationCache == NULL) == 
        (m_spCachedShader == NULL));
    if (m_spCachedShader)
    {
        m_spCachedShader->ReferenceVertexDeclarationCache(
            m_kVertexDeclarationCache);
    }
}
//---------------------------------------------------------------------------
inline NiMaterialInstance::NiMaterialInstance(NiMaterial* pkMaterial) : 
    m_spMaterial(pkMaterial),
    m_uiMaterialExtraData(
        (unsigned int) NiMaterialInstance::DEFAULT_EXTRA_DATA),
    m_kVertexDeclarationCache(NULL),
    m_kAdapterTable(0),
    m_eNeedsUpdate(DIRTY)
{
    /* */
}
//---------------------------------------------------------------------------
inline NiMaterialInstance::NiMaterialInstance(NiMaterial* pkMaterial, 
    unsigned int uiMaterialExtraData) :  
    m_spMaterial(pkMaterial),
    m_uiMaterialExtraData(uiMaterialExtraData),
    m_kVertexDeclarationCache(NULL),
    m_kAdapterTable(0),
    m_eNeedsUpdate(DIRTY)
{
    /* */
}
//---------------------------------------------------------------------------
inline NiMaterialInstance::~NiMaterialInstance()
{
    ClearCachedShader();
}
//---------------------------------------------------------------------------
inline NiMaterialInstance& NiMaterialInstance::operator=(
    const NiMaterialInstance& kMatInst)
{
    m_spCachedShader = kMatInst.m_spCachedShader;
    m_spMaterial = kMatInst.m_spMaterial;
    m_uiMaterialExtraData = kMatInst.m_uiMaterialExtraData;
    m_kVertexDeclarationCache = kMatInst.m_kVertexDeclarationCache;
    m_kAdapterTable = kMatInst.m_kAdapterTable;
    m_eNeedsUpdate = kMatInst.m_eNeedsUpdate;

    NIASSERT((m_kVertexDeclarationCache == NULL) == 
        (m_spCachedShader == NULL));
    if (m_spCachedShader)
    {
        m_spCachedShader->ReferenceVertexDeclarationCache(
            m_kVertexDeclarationCache);
    }

    return *this;
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::ClearCachedShader()
{
    if (m_spCachedShader && m_kVertexDeclarationCache)
    {
        m_spCachedShader->ReleaseVertexDeclarationCache(
            m_kVertexDeclarationCache);
    }
    m_kVertexDeclarationCache = NULL;
    m_spCachedShader = NULL;
    m_kAdapterTable.InitializeTable(0);
}
//---------------------------------------------------------------------------
inline NiMaterial* NiMaterialInstance::GetMaterial() const
{
    return m_spMaterial;
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::Reinitialize()
{
    ClearCachedShader();
    m_spMaterial = NULL;
    m_eNeedsUpdate = DIRTY;
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::SetMaterialNeedsUpdate(bool bNeedsUpdate)
{
    m_eNeedsUpdate = (bNeedsUpdate ? DIRTY : CLEAN);
}
//---------------------------------------------------------------------------
inline NiVertexDeclarationCache NiMaterialInstance::GetVertexDeclarationCache()
    const
{
    return m_kVertexDeclarationCache;
}
//---------------------------------------------------------------------------
inline const NiSemanticAdapterTable& 
    NiMaterialInstance::GetSemanticAdapterTable() const
{
    return m_kAdapterTable;
}
//---------------------------------------------------------------------------
inline NiSemanticAdapterTable& NiMaterialInstance::GetSemanticAdapterTable()
{
    return m_kAdapterTable;
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::SetMaterialExtraData(unsigned int uiExtraData)
{
    m_uiMaterialExtraData = uiExtraData;
}
//---------------------------------------------------------------------------
inline unsigned int NiMaterialInstance::GetMaterialExtraData() const
{
    return m_uiMaterialExtraData;
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::SetVertexDeclarationCache(
    NiVertexDeclarationCache kCache)
{
    NIASSERT(m_kVertexDeclarationCache == NULL);
    m_kVertexDeclarationCache = kCache;
    m_spCachedShader->ReferenceVertexDeclarationCache(kCache);
}
//---------------------------------------------------------------------------
inline void NiMaterialInstance::ClearVertexDeclarationCache()
{
    if (m_kVertexDeclarationCache)
    {
        m_spCachedShader->ReleaseVertexDeclarationCache(
            m_kVertexDeclarationCache);
        m_kVertexDeclarationCache = NULL;
    }
}
//---------------------------------------------------------------------------