AGrassMesh.cpp

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#include "pch.h"
#include "AGrassMesh.h"
#include "Assets/AModelLoader.h"
 
#include <Render/TRenderInterface.h>
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include <Core/TMemoryDebugOn.h>
 
TOSHI_NAMESPACE_USING
 
TDEFINE_CLASS_NORUNTIME( AGrassMesh );
 
// $Barnyard: FUNCTION 005f79c0
AGrassMesh::AGrassMesh()
    : m_uiFlags( 0 )
    , m_uiMaxVertices( 0 )
    , m_pVertexPool( TNULL )
    , m_Unk5( 0 )
{
}
 
// $Barnyard: FUNCTION 005f7ae0
// $Barnyard: FUNCTION 005f7ac0
AGrassMesh::~AGrassMesh()
{
    if ( m_aSubMeshes[ 0 ].pIndexPool )
    {
        TRenderInterface::GetSingleton()->DestroyResource( m_aSubMeshes[ 0 ].pIndexPool );
        m_aSubMeshes[ 0 ].pIndexPool = TNULL;
    }
}
 
TBOOL AGrassMesh::Validate()
{
    if ( !IsValidated() )
    {
        TVALIDPTR( m_pVertexPool );
 
        m_pVertexPool->Validate();
        BaseClass::Validate();
    }
 
    return TTRUE;
}
 
void AGrassMesh::Invalidate()
{
    BaseClass::Invalidate();
}
 
// $Barnyard: FUNCTION 005f7b50
void AGrassMesh::OnDestroy()
{
    AModelLoader::DestroyMaterial( GetMaterial() );
 
    if ( m_pVertexPool )
    {
        TRenderInterface::GetSingleton()->DestroyResource( m_pVertexPool );
        m_pVertexPool = TNULL;
    }
 
    m_uiFlags       = 0;
    m_uiMaxVertices = 0;
}
 
// $Barnyard: FUNCTION 005f7b50
TBOOL AGrassMesh::Create( TUINT32 a_uiFlags, TUINT16 a_uiMaxVertices )
{
    m_uiFlags       = a_uiFlags;
    m_uiMaxVertices = a_uiMaxVertices;
 
    auto pVertexFactory = TRenderInterface::GetSingleton()->GetSystemResource<TVertexFactoryResourceInterface>( SYSRESOURCE_VFWORLD );
    TVALIDPTR( pVertexFactory );
 
    m_pVertexPool = pVertexFactory->CreatePoolResource( m_uiMaxVertices, 1 );
    BaseClass::Create();
 
    return TTRUE;
}
 
TBOOL AGrassMesh::Lock( LockBuffer& a_rLockBuffer )
{
    if ( m_pVertexPool->Lock( &a_rLockBuffer ) )
    {
        m_uiFlags |= FLAG_LOCKED;
        return TTRUE;
    }
 
    return TFALSE;
}
 
void AGrassMesh::Unlock( TUINT32 a_uiNumVertices )
{
    if ( TINT16( a_uiNumVertices ) == -1 )
    {
        a_uiNumVertices = m_pVertexPool->GetNumVertices();
    }
 
    m_pVertexPool->Unlock( a_uiNumVertices );
    m_uiFlags &= ~FLAG_LOCKED;
}
 
TVertexPoolResourceInterface* AGrassMesh::GetVertexPool()
{
    return m_pVertexPool;
}