raRFMaterial.cpp

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#include "..\include\raMain.h"

namespace System
{
    raRFMaterial::raRFMaterial(raSmartPointer<raDirectX> dx, LPCSTR techniqueName, int envMapWidth, int envMapHeight)
                             : raRTTMaterial(dx, "raEffects\\Reflection.fx",
                             techniqueName, D3D11_SRV_DIMENSION_TEXTURECUBE, envMapWidth, envMapHeight,
                             1, DXGI_FORMAT_R16G16B16A16_FLOAT,
                             "g_cubeMapTexture", 6)
    {
        m_r = 0.9f; // Verhältnis der Brechungsindizes
        m_pow = 5.0f;
        m_reflectivity = 0.5f;
    }
    bool raRFMaterial::Create()
    {
        raRTTMaterial::Create();

        m_pR = m_pEffect->GetVariableByName("r")->AsScalar();
        m_pR3 = m_pEffect->GetVariableByName("r3")->AsVector();
        m_pFres0 = m_pEffect->GetVariableByName("fres0")->AsScalar();
        m_pFresPow = m_pEffect->GetVariableByName("fresPow")->AsScalar();
        m_pRefl = m_pEffect->GetVariableByName("reflectivity")->AsScalar();

        ROK("Reflectirendes Material erstellt");
        return true;
    }

    void raRFMaterial::Setup()
    {
        raRTTMaterial::Setup();

        if(m_pR)    m_pR->SetFloat(m_r);
        if(m_pR3)
        m_pR3->SetFloatVector(raVector3(m_r, m_r + 0.01f, m_r + 0.02f));

        float fres0 = ((1 - m_r) * (1 - m_r)) / ((1 + m_r) * (1 + m_r));
        if(m_pFres0)    m_pFres0->SetFloat(fres0);
        if(m_pFresPow)  m_pFresPow->SetFloat(m_pow);
        if(m_pRefl)     m_pRefl->SetFloat(m_reflectivity);
    }
};