spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

#include <windows.h>
#include <windowsx.h>
#include <d3d9.h>
#include <d3dx9.h>

LPDIRECT3D9 d3d;    //the pointer to our Direct3D interface

LPDIRECT3DDEVICE9 d3ddev;   //the pointer to the device class

LPDIRECT3DTEXTURE9 Point; //Pointer to Texture

LPD3DXSPRITE d3dspt; //pointer to Sprite

//function prototypen

void initD3D(HWND hWnd); //Initializies Direct3D

void render_frame();    //renders a single frame

void cleanD3D();        //release memory


//Set up window Callback funktion

LRESULT CALLBACK WindowProc(HWND hWnd,UINT message,WPARAM wparam,LPARAM lparam);

//MAIN

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine, int nCmdShow)
{
    HWND hWnd;
    WNDCLASSEX wc;

    ZeroMemory(&wc, sizeof(WNDCLASSEX));

    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
    wc.lpszClassName = L"WindowClass";

    RegisterClassEx(&wc);

    hWnd = CreateWindowEx(NULL,
                          L"WindowClass",
                          L"Our First Direct3D Program",
                          WS_OVERLAPPEDWINDOW,
                          300, 300,
                          800, 600,
                          NULL,
                          NULL,
                          hInstance,
                          NULL);

    ShowWindow(hWnd, nCmdShow);

    // set up and initialize Direct3D

    initD3D(hWnd);

    // enter the main loop:


    MSG msg;

    while(TRUE)
    {
        while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        if(msg.message == WM_QUIT)
            break;

        render_frame();
    }

    // clean up DirectX and COM

    cleanD3D();

    return msg.wParam;
}
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch(message)
    {
        case WM_DESTROY:
            {
                PostQuitMessage(0);
                return 0;
            } break;
    }

    return DefWindowProc (hWnd, message, wParam, lParam);
}


void initD3D(HWND hWnd)
{
    d3d = Direct3DCreate9(D3D_SDK_VERSION);

    D3DPRESENT_PARAMETERS d3dpp; //create a struct to hold various device informations

    ZeroMemory(&d3dpp,sizeof(d3dpp)); //struct frei machen

    d3dpp.Windowed = TRUE; //Windowed

    d3dpp.SwapEffect=D3DSWAPEFFECT_DISCARD; //Discard old frame

    d3dpp.hDeviceWindow = hWnd; //set the window to be used by Direct3D

    d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
    //Create a device class using this informations an dinformation from the d3dpp stuct


    d3d->CreateDevice(D3DADAPTER_DEFAULT,
                        D3DDEVTYPE_HAL,
                        hWnd,
                        D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                        &d3dpp,
                        &d3ddev);
    D3DXCreateSprite(d3ddev,&d3dspt);
    D3DXCreateTextureFromFile(d3ddev, L"image.png",&Point);
    if(Point == 0)
    {
        SendMessage(hWnd,WM_QUIT,0,0);
        return;
    }


    return;
}



void render_frame()
{
    

d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,0),1.0f,0);
d3ddev->BeginScene();
d3dspt->Begin(NULL);
D3DXVECTOR3 center(0.0f,0.0f,0.0f); //center at the upper left corner

D3DXVECTOR3 postition(10.f,10.f,10.f); //position on screen

d3dspt->Draw(Point,NULL,&center,&postition,D3DCOLOR_XRGB(255,0,0));//draw

d3dspt->End();
d3ddev->EndScene(); //ends the 3D scene

d3ddev->Present(NULL,NULL,NULL,NULL); //Display all not only parts of it!

}


void cleanD3D()
{
    Point->Release();
    d3ddev->Release();
    d3d->Release();
}