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Quellcode

PDIRECT3DVERTEXBUFFER9 wmVertexBuffer::UpdateVertex(DWORD dwVertex) {
    // Variablen
    HRESULT hResult;
    void *pVertices;

    // Parameter und Variablen prüfen
    if (this->dwMaxVertices <= dwVertex)
        WM_ERROR("Parameterprüfung schlug fehl!!!", 0x00000000);

    // Buffer sperren:
    hResult = this->pVertexBuffer->Lock(dwVertex * this->dwVertexSize, 
        this->dwVertexSize, &pVertices, D3DLOCK_DISCARD);
    if (FAILED(hResult))
        WM_ERROR("Konnte VertexBuffer nicht sperren", 0x0000000);

    // Daten kopieren
    memcpy(pVertices, (BYTE*)(this->pBuffer) + dwVertex*this->dwVertexSize, this->dwVertexSize);

    // Buffer entsperren
    this->pVertexBuffer->Unlock();

    // Werte zurücksetzen
    this->dwFirstVertex = this->dwMaxVertices-1;
    this->dwLastVertex  = 0;

    // - THE END -
    return this->pVertexBuffer;
}

Quellcode

DWORD dwUsage = D3DUSAGE_WRITEONLY | D3DUSAGE_DYNAMIC; D3DPOOL Pool = D3DPOOL_DEFAULT