raBillboard.cpp

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#include "..\include\raMain.h"
namespace System
{
    raBillboard::raBillboard(raSmartPointer<raDirectX> dx,  LPCSTR textureFileName,  bool bAdditive):
    raTexturedQuad(dx, new raTexturedMaterial(dx.get(),
        "raEffects\\NoNormals.fx", "RenderWithTexture", textureFileName), true)
    {
        m_bAdditive = bAdditive;
    }

    void raBillboard::SetupEffectVariables(const raMatrix& pView,
            const raMatrix& pProj, const raLight* praLight)
    {
        raMatrix worldTmp;
        D3DXMatrixInverse((D3DXMATRIX*)&worldTmp, NULL, (D3DXMATRIX*)&pView);

        //Skalierung aus der Original-World-Matrix (legt die Größe des Objekts fest)
        raMatrix ms;
        ms = raMatrixScaling(raVector3(m_World.m11, m_World.m22, m_World.m33));
        worldTmp = ms * worldTmp;

        //konstante Position im Welt-Koordinatensystem
        worldTmp.m41 = m_World.m41;
        worldTmp.m42 = m_World.m42;
        worldTmp.m43 = m_World.m43;

        raMatrix mWorldView, mWorldViewProjection;
        mWorldView = worldTmp * pView;
        mWorldViewProjection = mWorldView * pProj;

        for(DWORD matNo = 0; matNo < m_numMaterials; matNo++)
        {
            m_pMaterials[matNo]->SetupPerObject(worldTmp, mWorldView,
                mWorldViewProjection);
        }
    }

    raHimmelkoerper::raHimmelkoerper(raSmartPointer<raDirectX> dx,  LPCSTR textureFileName,  bool bAdditive):
    raTexturedQuad(dx, new raTexturedMaterial(dx.get(),
        "raEffects\\MyEngine.fx",
        "RenderWithTexture", textureFileName), true)
    {
        m_bAdditive = bAdditive;
    }

    void raHimmelkoerper::SetupEffectVariables(const raMatrix& pView,
        const raMatrix& pProj, const raLight* praLight)
    {
        raMatrix worldTmp;
        D3DXMatrixInverse((D3DXMATRIX*)&worldTmp, NULL, (D3DXMATRIX*)&pView);

        //Skalierung aus der Original-World-Matrix (legt die Größe des Objekts fest)
        raMatrix ms;
        ms = raMatrixScaling(raVector3(m_World.m11, m_World.m22, m_World.m33));
        worldTmp = ms * worldTmp;

        //konstante Position im Kamera-Koordinatensystem
        //Das entspricht der Multiplikation unten
        float zf =  pProj.m43/ (1 - pProj.m33) ;
        float scale = 0.04f * zf;

        worldTmp.m41 += scale * m_World.m41;
        worldTmp.m42 += scale * m_World.m42;
        worldTmp.m43 += scale * m_World.m43;

        //Jetzt könnte man noch von rechts eine Sklalierung anmultiplizieren,
        //um die Entfernung vom Beobachter zu skalieren

        raMatrix mWorldView, mWorldViewProjection;
        mWorldView = worldTmp * pView;
        mWorldViewProjection = mWorldView * pProj;

        //Für die Sonne Entferung zum Betrachter konstant halten
        raMatrix mScale;
        mScale = raMatrixScaling(raVector3(scale, scale, scale));

       /* raMatrix mInvView;
        D3DXMatrixInverse((D3DXMATRIX*)&mInvView, NULL, (D3DXMATRIX*)&pView);
        raMatrix worldSkyBox(mScale * (*pWorld));
        worldSkyBox.m41 = mInvView.m41;
        worldSkyBox.m42 = mInvView.m42 - scale * 0.2f;
        worldSkyBox.m43 = mInvView.m43;

        raMatrix world(worldTmp * worldSkyBox);*/

        //m_pmWorldViewProj->SetMatrix((float*)&mWorldViewProjection);
        //m_pmWorld->SetMatrix((float*)&worldTmp);

        for(DWORD matNo = 0; matNo < m_numMaterials; matNo++)
        {
            //if(pView)
            m_pMaterials[matNo]->SetupPerFrame(praLight);
            m_pMaterials[matNo]->SetupPerObject(worldTmp, mWorldView,
                mWorldViewProjection);
        }

        //View-Matrix wird aber vom Scenemanager gesetzt
        //Sollte aber nichts machen, da die hauptsächlich für Transformation der
        //Normalen in den View Space genutzt wird (Richtungslicht per Pixel)
    }

    raCrosshair::raCrosshair(raSmartPointer<raDirectX> dx,  LPCSTR textureFileName,  bool bAdditive):
        raTexturedQuad(dx, new raTexturedMaterial(dx.get(),
            "raEffects\\MyEngine.fx",
            "RenderWithTextureCenterScreen", textureFileName), true)
    {
        m_bAdditive = bAdditive;
    }
};