#include "Panel.h"

Panel::Panel(QWidget *parent, Qt::WFlags flags, WINDOWTYPE type) : QMainWindow(parent, flags)
{
    if( type == WINDOW_CAMERA ||
        type == WINDOW_FRONT ||
        type == WINDOW_SIDE ||
        type == WINDOW_TOP)
    {
        d3d = Direct3DCreate9(D3D_SDK_VERSION);
        area = new QWidget(this);
        stretch = new QHBoxLayout(this);
        stretch->addWidget(area);
        this->setLayout(stretch);

        d3ddev = NULL;
        ResetPP();

        d3d->CreateDevice(  D3DADAPTER_DEFAULT,
                            D3DDEVTYPE_HAL,
                            area->winId(),
                            D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                            &d3dpp,
                            &d3ddev);
        d3ddev->SetRenderState(D3DRS_ZENABLE, true);
        d3ddev->SetRenderState(D3DRS_LIGHTING, false);
        d3ddev->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
        tick = new QBasicTimer();
        tick->start(100, this);
    }
}

Panel::~Panel(void)
{
    delete tick;
    if(d3ddev)
        d3ddev->Release();
    d3ddev = NULL;
}

void Panel::timerEvent(QTimerEvent *e)
{
    d3ddev->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DXCOLOR(0.4f, 0.4f, 8.0f, 0.55f), 1.0f, 0);
    d3ddev->BeginScene();
    d3ddev->EndScene();
    d3ddev->Present(NULL, NULL, NULL, NULL);
}

void Panel::ResetPP(void)
{
        ZeroMemory(&d3dpp, sizeof(d3dpp));
        d3dpp.Windowed = true;
        d3dpp.BackBufferWidth = area->geometry().width();
        d3dpp.BackBufferHeight = area->geometry().height();
        d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
        d3dpp.hDeviceWindow = this->winId();
        d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
        d3dpp.EnableAutoDepthStencil = true;
        d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
        return;
}