プログラマ専用SNS ミクプラ

コード:

#include <tchar.h>   
#include <windows.h>
#include <dxerr9.h>
#include <d3d9.h>
#include <d3dx9.h>
#pragma warning( disable : 4996 ) // 無駄な警告を出さなくする
#include <strsafe.h>
#pragma warning( default : 4996 ) 

//メモリリークを調べるために必要。
#if _DEBUG   
#include <crtdbg.h>   
#define new  ::new( _NORMAL_BLOCK, __FILE__, __LINE__ )   
#endif

#define WINDOW_WIDTH  (640)		// ウィンドウの幅
#define WINDOW_HEIGHT (480)		// ウィンドウの高さ
#define WINDOW_X ((WINDOW_WIDTH + GetSystemMetrics( SM_CXSIZEFRAME )*2))
#define WINDOW_Y ((WINDOW_HEIGHT + GetSystemMetrics( SM_CYSIZEFRAME )*2 + GetSystemMetrics( SM_CYCAPTION )))
#define SAFE_RELEASE(p)  { if(p) { (p)->Release(); (p)=NULL; } }


HINSTANCE	g_hInstance		= NULL;		// インスタンス・ハンドル
HWND		g_hWindow		= NULL;		// ウインドウ・ハンドル
LPDIRECT3D9				g_pD3D			= NULL;		// Direct3Dインタフェース
LPDIRECT3DDEVICE9		g_pD3DDevice	= NULL;		// Direct3DDeviceインタフェース


#define MY_VERTEX_FVF  (D3DFVF_XYZ | D3DFVF_DIFFUSE)
struct MY_VERTEX{
	float px, py, pz;
	DWORD color;
};

MY_VERTEX v1[] = {	{-2.0f, 2.0f, 0.0f, 0xffff0000},
					{ 2.0f, 2.0f, 0.0f, 0xff00ff00},
					{-2.0f,-2.0f, 0.0f, 0xff0000ff},
					{ 2.0f,-2.0f, 0.0f, 0xffffffff},};

struct MY_COLOR{
	int r,g,b;
};

MY_COLOR g_color[] = {	{0,0,0},
						{20,60,20},
						{20,60,20},
						{0,0,0}};

D3DVIEWPORT9 g_port[] = {	{ 0, 0, WINDOW_WIDTH/2, WINDOW_HEIGHT/2,0.0f,1.0f},
							{ WINDOW_WIDTH/2, 0, WINDOW_WIDTH/2, WINDOW_HEIGHT/2,0.0f,1.0f},
							{ 0, WINDOW_HEIGHT/2, WINDOW_WIDTH/2, WINDOW_HEIGHT/2,0.0f,1.0f},
							{ WINDOW_WIDTH/2, WINDOW_HEIGHT/2, WINDOW_WIDTH/2, WINDOW_HEIGHT/2,0.0f,1.0f}};

struct MY_VIEW{
    D3DXVECTOR3 vEyePt;
	D3DXVECTOR3 vLookatPt;
    D3DXVECTOR3 vUpVec;
    D3DXMATRIXA16 matView;
};

MY_VIEW g_view[] = {{D3DXVECTOR3( 0.0f, 4.0f,-6.0f), D3DXVECTOR3(0.0f, 0.0f, 0.0f), D3DXVECTOR3( 0.0f, 1.0f, 0.0f)},
					{D3DXVECTOR3(0.0f, 0.0f, -6.0f), D3DXVECTOR3(0.0f, 0.0f, 0.0f), D3DXVECTOR3( 0.0f, 1.0f, 0.0f)},
					{D3DXVECTOR3(0.0f, 0.0f, -5.0f), D3DXVECTOR3(0.0f, 0.0f, 0.0f), D3DXVECTOR3( 0.0f, 1.0f, 0.0f)},
					{D3DXVECTOR3(0.0f,-6.0f, -8.0f), D3DXVECTOR3(0.0f, 0.0f, 0.0f), D3DXVECTOR3( 0.0f, 1.0f, 0.0f)}
					};

//-----------------------------------------------------------------------------
// Name: MsgProc()
// Desc: The window's message handler
//-----------------------------------------------------------------------------
LRESULT WINAPI MsgProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
    switch( msg )
    {
        case WM_DESTROY:
            PostQuitMessage( 0 );
            return 0;
    }
    return DefWindowProc( hWnd, msg, wParam, lParam );
}

//-----------------------------------------------------------------------------
// Name: InitApp()
// Desc: Initialize Window 
//-----------------------------------------------------------------------------
HRESULT InitApp(HINSTANCE hInstance)
{
	g_hInstance = hInstance;
   WNDCLASSEX wcex ={sizeof(WNDCLASSEX), CS_HREDRAW | CS_VREDRAW, MsgProc, 0, 0, g_hInstance, NULL, NULL,
                                  (HBRUSH)(COLOR_WINDOW+1), NULL, L"D3D Tutorial", NULL};

	if( !RegisterClassEx( &wcex )){
		return DXTRACE_ERR(L"InitApp", GetLastError());
	}

    // Create the application's window
    g_hWindow = CreateWindow( L"D3D Tutorial", L"ゲームプログラミング", 
                              WS_OVERLAPPEDWINDOW ^ WS_MAXIMIZEBOX ^ WS_MINIMIZEBOX, 100, 100, WINDOW_X, WINDOW_Y,
                              NULL, NULL, wcex.hInstance, NULL );

	if (g_hWindow == NULL)
		return DXTRACE_ERR(L"InitApp", GetLastError());

	return S_OK;
}

//-----------------------------------------------------------------------------
// Name: InitDirectX()
// Desc: Initialize DirectX
//-----------------------------------------------------------------------------
HRESULT InitDirectX(void){

    g_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
    if(g_pD3D == NULL){
        DXTRACE_MSG(L"DirectXDeviceの初期化に失敗しました");
        return E_FAIL;
    }

    D3DDISPLAYMODE d3ddm;
    if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm)))
    {
        DXTRACE_MSG(L"DirectX3DDeviceの初期化に失敗しました");
        return E_FAIL;
    }

    D3DPRESENT_PARAMETERS d3dpp;
    ZeroMemory(&d3dpp, sizeof(d3dpp));
    d3dpp.Windowed = TRUE;
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
    d3dpp.PresentationInterval  = D3DPRESENT_INTERVAL_IMMEDIATE;
    d3dpp.EnableAutoDepthStencil = TRUE;
    d3dpp.AutoDepthStencilFormat = D3DFMT_D16;

    HRESULT hr = g_pD3D->CreateDevice(
		D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,g_hWindow,
		D3DCREATE_SOFTWARE_VERTEXPROCESSING,
		&d3dpp,&g_pD3DDevice);

	if(FAILED(hr))
	{
		hr = g_pD3D->CreateDevice(
			D3DADAPTER_DEFAULT,
			D3DDEVTYPE_HAL,g_hWindow,
			D3DCREATE_SOFTWARE_VERTEXPROCESSING,
			&d3dpp,&g_pD3DDevice);
		if(FAILED(hr))
		{
			hr = g_pD3D->CreateDevice(
				D3DADAPTER_DEFAULT,
				D3DDEVTYPE_REF,g_hWindow,
				D3DCREATE_SOFTWARE_VERTEXPROCESSING,
				&d3dpp,&g_pD3DDevice);
			if(FAILED(hr)){
				DXTRACE_MSG(L"DirectX3DDeviceの初期化に失敗しました");
				return E_FAIL;
			}
		}
	}
    //セットアップ　レンダーステート
    g_pD3DDevice->SetRenderState( D3DRS_LIGHTING,         FALSE );
    g_pD3DDevice->SetRenderState( D3DRS_DITHERENABLE,     TRUE );
    g_pD3DDevice->SetRenderState( D3DRS_ZENABLE,          TRUE );
    g_pD3DDevice->SetRenderState( D3DRS_CULLMODE,         D3DCULL_NONE );
    g_pD3DDevice->SetRenderState( D3DRS_AMBIENT,          0x33333333 );
    g_pD3DDevice->SetRenderState( D3DRS_NORMALIZENORMALS, TRUE );
    g_pD3DDevice->SetRenderState( D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA );
    g_pD3DDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
    g_pD3DDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE );
    g_pD3DDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
    g_pD3DDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );

	//ビュー行列作成
	for(int i = 0, count = sizeof(g_view)/sizeof(g_view[0]); i < count; i++)
	{
		D3DXMatrixLookAtLH( &g_view[i].matView, &g_view[i].vEyePt, &g_view[i].vLookatPt, &g_view[i].vUpVec );
	}
    g_pD3DDevice->SetTransform( D3DTS_VIEW, &g_view[0].matView );
	
	//射影行列作成
    D3DXMATRIXA16 matProj;
    D3DXMatrixPerspectiveFovLH( &matProj, D3DXToRadian(45.0f), (float)640/480, 1.0f, 100.0f );
    g_pD3DDevice->SetTransform( D3DTS_PROJECTION, &matProj );

	return S_OK;
}

//-----------------------------------------------------------------------------
// Name: Uninitialize()
// Desc: UnInitialize DirectX
//-----------------------------------------------------------------------------
void Uninitialize(void)
{
    SAFE_RELEASE(g_pD3DDevice);
    SAFE_RELEASE(g_pD3D);
}

//-----------------------------------------------------------------------------
// Name: WinMain()
// Desc: The application's entry point
//-----------------------------------------------------------------------------
int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
	#ifdef _DEBUG   
		_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);   
	#endif 

	HRESULT hr;
	if(FAILED(hr = InitApp(hInstance)))
	{
		return(0);
	}

    // Initialize Direct3D
    if( SUCCEEDED(hr = InitDirectX()) )
    { 
		MSG msg;
		ZeroMemory( &msg, sizeof(msg) );

		ShowWindow(g_hWindow, SW_SHOWDEFAULT);
		UpdateWindow(g_hWindow);

		D3DXMATRIX mat;
		D3DXMatrixIdentity(&mat);
		g_pD3DDevice->SetTransform(D3DTS_WORLD, &mat);
		
       // Enter the message loop
		while( msg.message!=WM_QUIT )
		{
			if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
			{
				TranslateMessage( &msg );
				DispatchMessage( &msg );
			}else{
				g_pD3DDevice->BeginScene();

				static int n = 0;
				static int degree = 0;

				if((n = (n + 1)%5)==0){
					degree = (degree + 1) % 360;
				}
				D3DXMatrixRotationY(&mat, D3DXToRadian(degree));
				g_pD3DDevice->SetTransform(D3DTS_WORLD, &mat);

				//今回は４人対戦画面なので、４回繰り返す
				for(int i = 0, count = sizeof(g_port)/sizeof(g_port[0]); i < count; i++)
				{
					//描画領域を変更（ビューポート行列）
					g_pD3DDevice->SetViewport(&g_port[i]);
					//カメラの座標を変更（ビュー行列）
					g_pD3DDevice->SetTransform(D3DTS_VIEW, &g_view[i].matView);
					//描画領域にした所を任意の色でクリア
					g_pD3DDevice->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 
									   D3DCOLOR_XRGB(g_color[i].r,g_color[i].b,g_color[i].g), 1.0f, 0 );
					//何かを描画する（今回は四角ポリゴン）
					g_pD3DDevice->SetFVF(MY_VERTEX_FVF);
					g_pD3DDevice->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, 2, v1, sizeof(MY_VERTEX));

				}

				g_pD3DDevice->EndScene();
				g_pD3DDevice->Present( NULL, NULL, NULL, NULL );
				Sleep(1);
			}
		}
    }
	Uninitialize();
	UnregisterClass( L"D3D Tutorial", g_hInstance );
	return 0;
}