Forum: Direct3D textures/sprites som ändrar storlek :(

 
#include <d3d9.h>
#include <d3dx9.h>
#include <windows.h>
 
bool SetUpD3D(HWND);
bool Update();
 
LPDIRECT3D9 gD3dObject=NULL;
LPDIRECT3DDEVICE9 gD3dDevice=NULL;
LPDIRECT3DTEXTURE9 gTexture=NULL;
LPD3DXSPRITE gSprite=NULL;
int bild=1;
int x=0,y=0,width=0,height=199;
const char KlassNamn[]="Fonstret";
 
LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
        switch(msg)
        {
        	case WM_CREATE:
                if(!SetUpD3D(hwnd))
                	DestroyWindow(hwnd);
            break;
            
                   case WM_CLOSE:
                        DestroyWindow(hwnd);
                   break;
                   case WM_DESTROY:
                        gTexture->Release();
                        gSprite->Release();
                        gD3dObject->Release();
                        gD3dDevice->Release();
                        PostQuitMessage(0);
                   break;
                   default:
                           return DefWindowProc(hwnd,msg,wParam,lParam);
                   break;
        }
        return 0;
}
 
int CALLBACK WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
    WNDCLASSEX wc;
    HWND hwnd;
    MSG Msg;
    ZeroMemory(&Msg,sizeof(Msg));
    
    wc.cbSize=sizeof(WNDCLASSEX);
    wc.style=0;
    wc.lpfnWndProc=WndProc;
    wc.cbClsExtra=0;
    wc.cbWndExtra=0;
    wc.hInstance=hInstance;
    wc.hIcon=LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor=LoadCursor(NULL,IDC_ARROW);
    wc.hbrBackground=(HBRUSH) (COLOR_WINDOW+1);
    wc.lpszMenuName=NULL;
    wc.lpszClassName=KlassNamn;
    wc.hIconSm=LoadIcon(NULL, IDI_APPLICATION);
    if(!RegisterClassEx(&wc))
    {
                             MessageBox(0,"Det gick inte att registrera fönstret!","Error",MB_ICONEXCLAMATION | MB_OK);
                             return 0;
    }
    
    hwnd=CreateWindowEx(
    WS_EX_CLIENTEDGE,
    KlassNamn,
    "DirectX animation",
    WS_OVERLAPPEDWINDOW,
    CW_USEDEFAULT, CW_USEDEFAULT, 640, 640,
    NULL, NULL, hInstance, NULL);
    
    if(hwnd==NULL)
    {
                  MessageBox(0,"Det gick inte att skapa fönstret!", "Error", MB_ICONEXCLAMATION | MB_OK);
                  return 0;
    }
    
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
    
    while(Msg.message!=WM_QUIT)
	{
		if( PeekMessage( &Msg, NULL, 0U, 0U, PM_REMOVE ) )
           {
             TranslateMessage( &Msg );
             DispatchMessage( &Msg );
           }
       else
         if(!Update())
             return 1;
 
	}
    return Msg.wParam;
}
 
bool SetUpD3D(HWND hwnd)
{
     gD3dObject=Direct3DCreate9(D3D_SDK_VERSION);
     if(gD3dObject==NULL) {
                          MessageBox(0,"Fel när funktionen Direct3DCreate9(D3D_SDK_VERSION) anropades!","Error",MB_ICONEXCLAMATION | MB_OK);
                          return false;
     }
     D3DPRESENT_PARAMETERS presParams;
     ZeroMemory(&presParams,sizeof(presParams));
     
     presParams.Windowed=TRUE;
     presParams.SwapEffect=D3DSWAPEFFECT_DISCARD;
     presParams.BackBufferFormat=D3DFMT_UNKNOWN;
     presParams.BackBufferCount=1;
     presParams.PresentationInterval=D3DPRESENT_INTERVAL_ONE;
     
     HRESULT hr=gD3dObject->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hwnd,
     D3DCREATE_HARDWARE_VERTEXPROCESSING,&presParams,&gD3dDevice);
     if(FAILED(hr))
     {
                   MessageBox(0,"Fel när gD3dObject->CreateDevice(); anropades!", "Error",MB_ICONEXCLAMATION | MB_OK);
                   return false;
     }
     if(FAILED(D3DXCreateTextureFromFile(gD3dDevice,"texture.tga",&gTexture))) {
                	MessageBox(0,"Fel när D3DXCreateTextureFromFile(gD3dDevice,"testure.tga",&gTexture) anropades!","Error",MB_ICONEXCLAMATION | MB_OK);
                	return false;
    }
    if(FAILED(D3DXCreateSprite(gD3dDevice,&gSprite))) {
                	MessageBox(0,"Fel när D3DXCreateSprite(gD3dDevice,&gSprite) anropades","Error",MB_ICONEXCLAMATION | MB_OK);
                	return false;
    }
     return true;
}
 
bool Update() {
	width=(128*bild)-1;
	x=((128*bild)-1)-128;
	bild+=1;
	if(bild>5)
	bild=1;
	if(FAILED(gD3dDevice->Clear(0,NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(0,0,0),1.0,0))) {
		MessageBox(0,"Fel när gD3dDevice->Clear(0,NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(0,255,0),1.0,0)) anropades","Error",MB_ICONEXCLAMATION | MB_OK);
		return false;
	}
	gD3dDevice->BeginScene();
	
	D3DXVECTOR3 pos;
    pos.x=128.0f;
    pos.y=0.0f;
    pos.z=0.0f;
    RECT rc;
    rc.right=x;
    rc.left=width;
    rc.top=y;
    rc.bottom=height;
	gSprite->Begin(D3DXSPRITE_ALPHABLEND);
	gSprite->Draw(gTexture,&rc,NULL,&pos,0xFFFFFFFF);
	gSprite->End();
	
	gD3dDevice->EndScene();
	gD3dDevice->Present(NULL,NULL,NULL,NULL);
	return true;
}