winMain.cpp

#include <windows.h>
#include <tchar.h>
#include <stdio.h>

#include <vector>
using namespace std;

#include "dxSystem.h"

/*******************************************************************
* Global Variables
*******************************************************************/
HWND hWnd;                  //window handle
int windowWidth = 800;
int windowHeight = 600;

//directX manager
dxSystem* dx;

/*******************************************************************
* Main Window Procedure - handles application events
*******************************************************************/
LRESULT CALLBACK wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        // Allow the user to press the escape key to end the application
    case WM_KEYDOWN :   switch(wParam)
                        {
    case VK_ESCAPE : PostQuitMessage(0);
        break;
                        }

                        break;

                        // The user hit the close button, close the application
    case WM_DESTROY :   PostQuitMessage(0);
        break;
    }

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

/*******************************************************************
* Initialize Main Window
********************************************************************/
bool initWindow(HWND &hWnd, HINSTANCE hInstance, int width, int height)
{
    WNDCLASSEX wcex;

    wcex.cbSize         = sizeof(WNDCLASSEX);
    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = (WNDPROC)wndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = 0;
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = NULL;
    wcex.lpszClassName  = TEXT("DXTutorial");
    wcex.hIconSm        = 0;
    RegisterClassEx(&wcex);

    //Resize the window
    RECT rect = { 0, 0, width, height };
    AdjustWindowRect(&rect, WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX, FALSE);

    //create the window from the class defined above
    hWnd = CreateWindow( L"ENGINE",
          L"ENGINE",
        WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        rect.right - rect.left,
        rect.bottom - rect.top,
        NULL,
        NULL,
        hInstance,
        NULL);

    //window handle not created
    if (!hWnd) return false;

    //if window creation was successful
    ShowWindow(hWnd, SW_SHOW);
    UpdateWindow(hWnd);
    return true;
}

/*******************************************************************
* WinMain
*******************************************************************/
int APIENTRY _tWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow )
{
    // Set up the application window
    initWindow(hWnd, hInstance, windowWidth, windowHeight);

    //set up directx manager
    dx->initialise(windowWidth, windowHeight, &hWnd);

    // Main message loop
    MSG msg = {0};
    while (WM_QUIT != msg.message)
    {
        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) == TRUE)
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        dx->render();
    }

    dx->shutDown();
    delete dx;
    dx = 0;

    return (int) msg.wParam;
}