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C-/C++-Quelltext

tbResult Floor::Draw()
{
    HRESULT         hResult;
    tbMatrix        mWorld;
    D3DMATERIAL9    Material;
    D3DLIGHT9       Light;

    if (m_pD3DDevice == NULL)
        return TB_ERROR;

    // Nun werden die Würfel gezeichnet.Zuerst wird ein Material erstellt, danach
    // noch ein Richtungslicht, das die Richtung der Kamera hat.
    Material.Diffuse = tbColor(0.75f, 0.75f, 0.75f);
    Material.Ambient = tbColor(0.25f, 0.25f, 0.25f);
    Material.Emissive = tbColor(0.0f, 0.0f, 0.0f);
    m_pD3DDevice->SetMaterial(&Material);

    ZeroMemory(&Light, sizeof(D3DLIGHT9));
    Light.Type = D3DLIGHT_DIRECTIONAL;
    Light.Diffuse = tbColor(1.0f, 1.0f, 1.0f);
    Light.Ambient = tbColor(1.0f, 1.0f, 1.0f);
    Light.Direction = tbVector3(1.0f, 1.0f, 1.0f);
    m_pD3DDevice->SetLight(0, &Light);
    m_pD3DDevice->LightEnable(0, TRUE);

    // In die erste Texturschicht setzen wir die Umgebungstextur.
    m_pD3DDevice->SetTexture(0, m_pTexture);
    m_pD3DDevice->SetTexture(1, NULL);
    m_pD3DDevice->SetTexture(2, NULL);
    m_pD3DDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
    m_pD3DDevice->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
    m_pD3DDevice->SetTextureStageState(2, D3DTSS_COLOROP, D3DTOP_DISABLE);

    m_pD3DDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
    m_pD3DDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
    m_pD3DDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);

    m_pD3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP);
    m_pD3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);
    m_pD3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSW, D3DTADDRESS_WRAP);

    m_FloorSquare.aVerticies[0].vPosition = tbVector3(-100.0f, -1.0f, -100.0f);
    m_FloorSquare.aVerticies[1].vPosition = tbVector3(-100.0f, -1.0f, 100.0f);
    m_FloorSquare.aVerticies[2].vPosition = tbVector3(100.0f, -1.0f, -100.0f);
    m_FloorSquare.aVerticies[3].vPosition = tbVector3(100.0f, -1.0f, 100.0f);

    m_FloorSquare.aVerticies[0].vTexture = tbVector2(0.0f, 100.0f);
    m_FloorSquare.aVerticies[1].vTexture = tbVector2(0.0f, 0.0f);
    m_FloorSquare.aVerticies[2].vTexture = tbVector2(100.0f, 100.0f);
    m_FloorSquare.aVerticies[3].vTexture = tbVector2(100.0f, 0.0f);

    // Nun erstellen wir eine Translationsmatrix, die dafür sorgt, dass sich die Kamera immer
    // genau in der Mitte des Bodens befindet.
    //mWorld = tbMatrixTranslation(g_vCameraPosition);
    //g_pD3DDevice->SetTransform(D3DTS_WORLD, (D3DMATRIX*)(&mWorld));
    m_pD3DDevice->SetTransform(D3DTS_WORLD, (D3DMATRIX*)&tbMatrixIdentity());

    // Nun die Dreiecke zeichnen
    if (FAILED(hResult = m_pD3DDevice->DrawPrimitiveUP(
        D3DPT_TRIANGLESTRIP,        // Dreiecksliste
        2,                          // 2 Dreieck
        m_FloorSquare.aVerticies,   // Vertexdaten
        sizeof(SVertex))))          // Vertexgröße
    {
        // Fehler beim Zeichnen!
        TB_ERROR_DIRECTX("D3D->DrawPrimitiveUP", hResult, TB_STOP);
    }
    return TB_OK;
}