TRenderContext_DX8.cpp

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#include "ToshiPCH.h"
#include "TRenderInterface_DX8.h"
#include "TRenderContext_DX8.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
// $Barnyard: FUNCTION 006d6c80
void TRenderContextD3D::ComputePerspectiveProjection()
{
    TRenderContext::ComputePerspectiveProjection( m_Projection, m_oViewportParams, m_oProjParams );
}
 
// $Barnyard: FUNCTION 006d6f80
void TRenderContextD3D::ComputeOrthographicProjection()
{
    TRenderContext::ComputeOrthographicProjection( m_Projection, m_oViewportParams, m_oProjParams );
}
 
// $Barnyard: FUNCTION 006d6d30
void TRenderContextD3D::ComputePerspectiveFrustum()
{
    TRenderContext::ComputePerspectiveFrustum( m_aFrustumPlanes1, m_oViewportParams, m_oProjParams );
 
    // Copy planes
    m_aFrustumPlanes2[ WORLDPLANE_LEFT ]   = m_aFrustumPlanes1[ WORLDPLANE_LEFT ];
    m_aFrustumPlanes2[ WORLDPLANE_RIGHT ]  = m_aFrustumPlanes1[ WORLDPLANE_RIGHT ];
    m_aFrustumPlanes2[ WORLDPLANE_BOTTOM ] = m_aFrustumPlanes1[ WORLDPLANE_BOTTOM ];
    m_aFrustumPlanes2[ WORLDPLANE_TOP ]    = m_aFrustumPlanes1[ WORLDPLANE_TOP ];
    m_aFrustumPlanes2[ WORLDPLANE_NEAR ]   = m_aFrustumPlanes1[ WORLDPLANE_NEAR ];
    m_aFrustumPlanes2[ WORLDPLANE_FAR ]    = m_aFrustumPlanes1[ WORLDPLANE_FAR ];
}
 
// $Barnyard: FUNCTION 006d7030
void TRenderContextD3D::ComputeOrthographicFrustum()
{
    TRenderContext::ComputeOrthographicFrustum( m_aFrustumPlanes1, m_oViewportParams, m_oProjParams );
 
    // Copy planes
    m_aFrustumPlanes2[ WORLDPLANE_LEFT ]   = m_aFrustumPlanes1[ WORLDPLANE_LEFT ];
    m_aFrustumPlanes2[ WORLDPLANE_RIGHT ]  = m_aFrustumPlanes1[ WORLDPLANE_RIGHT ];
    m_aFrustumPlanes2[ WORLDPLANE_BOTTOM ] = m_aFrustumPlanes1[ WORLDPLANE_BOTTOM ];
    m_aFrustumPlanes2[ WORLDPLANE_TOP ]    = m_aFrustumPlanes1[ WORLDPLANE_TOP ];
    m_aFrustumPlanes2[ WORLDPLANE_NEAR ]   = m_aFrustumPlanes1[ WORLDPLANE_NEAR ];
    m_aFrustumPlanes2[ WORLDPLANE_FAR ]    = m_aFrustumPlanes1[ WORLDPLANE_FAR ];
}
 
// $Barnyard: FUNCTION 006d7220
void TRenderContextD3D::EnableFogHAL()
{
    auto pRenderer = TSTATICCAST( TRenderD3DInterface, m_pRenderer );
    auto pDevice   = pRenderer->GetDirect3DDevice();
 
    pDevice->SetRenderState( D3DRS_FOGENABLE, TRUE );
    pDevice->SetRenderState( D3DRS_FOGTABLEMODE, D3DFOG_LINEAR );
    pDevice->SetRenderState(
        D3DRS_FOGCOLOR,
        ( ( ( TUINT8( m_FogColor.x * 255.0f ) << 8 ) | TUINT8( m_FogColor.y * 255.0f ) ) << 8 ) | TUINT8( m_FogColor.z * 255.0f )
    );
 
    pDevice->SetRenderState( D3DRS_FOGSTART, *TREINTERPRETCAST( DWORD*, &m_fFogDistanceStart ) );
    pDevice->SetRenderState( D3DRS_FOGEND, *TREINTERPRETCAST( DWORD*, &m_fFogDistanceEnd ) );
}
 
void TRenderContextD3D::DisableFogHAL()
{
    auto pRenderer = TSTATICCAST( TRenderD3DInterface, m_pRenderer );
    auto pDevice   = pRenderer->GetDirect3DDevice();
 
    pDevice->SetRenderState( D3DRS_FOGENABLE, FALSE );
}
 
// $Barnyard: FUNCTION 006d6c60
TRenderContextD3D::TRenderContextD3D( TRenderInterface* a_pRenderer )
    : TRenderContext( a_pRenderer )
{
}
 
// $Barnyard: FUNCTION 006d72e0
TRenderContextD3D::~TRenderContextD3D()
{
}
 
// $Barnyard: FUNCTION 006d7310
void TRenderContextD3D::Update()
{
    if ( IsDirty() )
    {
        if ( m_eCameraMode == CameraMode_Perspective )
        {
            ComputePerspectiveProjection();
            ComputePerspectiveFrustum();
        }
        else
        {
            ComputeOrthographicProjection();
            ComputeOrthographicFrustum();
        }
 
        auto pRenderer = TSTATICCAST( TRenderD3DInterface, m_pRenderer );
        pRenderer->GetDirect3DDevice()->SetTransform( D3DTS_VIEW, TREINTERPRETCAST( D3DMATRIX*, &TMatrix44::IDENTITY ) );
        pRenderer->GetDirect3DDevice()->SetTransform( D3DTS_PROJECTION, TREINTERPRETCAST( D3DMATRIX*, &m_Projection ) );
    }
}
 
TOSHI_NAMESPACE_END