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#pragma comment(lib, "d3d10")
#pragma comment(lib, "d3dx10")
// Include the Windows header file, needed for all Windows applications
#include <windows.h>
#include <tchar.h>
#include <d3d10.h>
#include <d3dx10.h>
//Attention pour le linker il faut rajouter dans projet/propriétés/editeur de lien/entrée lib supplémentaire D3D10.lib
// Direct3D global vars
ID3D10Device* pD3DDevice = NULL;
IDXGISwapChain* pSwapChain = NULL;
ID3D10RenderTargetView* pRenderTargetView = NULL;
ID3DX10Sprite *spriteObject = NULL;
// Create a new sprite variable
D3DX10_SPRITE testSprite;
D3D10_VIEWPORT viewPort;
HINSTANCE hInst; // global handle to hold the application instance
HWND wndHandle; // global variable to hold the window handle
int width = 640;
int height = 480;
// forward declarations
bool InitWindow( HINSTANCE hInstance, int width, int height );
LRESULT CALLBACK WndProc( HWND, UINT, WPARAM, LPARAM );
/*******************************************************************
* InitDirect3D
* Initializes Direct3D
* Inputs - Parent window handle - HWND,
Window width - int
Window height - int
Updating the Code 31
* Outputs - true if successful, false if failed - bool
*******************************************************************/
bool InitDirect3D(HWND hWnd, int width, int height){
// Create the clear the DXGI_SWAP_CHAIN_DESC structure
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
// Fill in the needed values
swapChainDesc.BufferCount = 1;
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.OutputWindow = hWnd;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.Windowed = TRUE;
// Create the D3D device and the swap chain
HRESULT hr = D3D10CreateDeviceAndSwapChain(NULL, D3D10_DRIVER_TYPE_REFERENCE, NULL, 0, D3D10_SDK_VERSION, &swapChainDesc, &pSwapChain, &pD3DDevice);
// Error checking. Make sure the device was created
if (hr != S_OK){
return false;
}
// Get the back buffer from the swapchain
ID3D10Texture2D *pBackBuffer;
hr = pSwapChain->GetBuffer(0, __uuidof(ID3D10Texture2D), (LPVOID*)&pBackBuffer);
if(hr != S_OK){
return false;
}
// create the render target view
hr = pD3DDevice->CreateRenderTargetView(pBackBuffer, NULL, &pRenderTargetView);
// release the back buffer
pBackBuffer->Release();
// Make sure the render target view was created successfully
if(hr != S_OK){
return false;
}
// set the render target
pD3DDevice->OMSetRenderTargets(1, &pRenderTargetView, NULL);
// create and set the viewport
viewPort.Width = width;
viewPort.Height = height;
viewPort.MinDepth = 0.0f;
viewPort.MaxDepth = 1.0f;
viewPort.TopLeftX = 0;
viewPort.TopLeftY = 0;
pD3DDevice->RSSetViewports(1, &viewPort);
return true;
}
/*******************************************************************
* Render
* All drawing happens in the Render function
* Inputs - void
* Outputs - void
*******************************************************************/
void Render(){
HRESULT hr;
if(pD3DDevice != NULL){
// clear the target buffer
pD3DDevice->ClearRenderTargetView(pRenderTargetView, D3DXCOLOR (0.0f, 0.0f, 0.0f, 0.0f));
// start drawing the sprites
hr = spriteObject->Begin(D3DX10_SPRITE_SORT_TEXTURE);
// Draw all the sprites
if((hr = spriteObject->DrawSpritesImmediate(&testSprite, 1, 0, 0)) !=S_OK){
int flag=0;
}
// Finish up and send the sprites to the hardware
hr = spriteObject->End();
// display the next item in the swap chain
hr = pSwapChain->Present(0, 0);
}
}
/*******************************************************************
* ShutdownDirect3D
* Closes down and releases the resources for Direct3D
* Inputs - void
* Outputs - void
*******************************************************************/
void ShutdownDirect3D()
{
// release the rendertarget
if (pRenderTargetView)
{
pRenderTargetView->Release();
}
// release the swapchain
if (pSwapChain)
{
pSwapChain->Release();
}
// release the D3D Device
if (pD3DDevice)
{
pD3DDevice->Release();
}
}
/*******************************************************************
* GetTexture2DFromFile
* Loads a texture from a file into a ID3D10Texture2D object
* Inputs - LPCSTR the path and filename of the texture
* Outputs - pointer to an ID3D10Texture2D object
*******************************************************************/
ID3D10Texture2D* GetTexture2DFromFile(LPCWSTR filename)
{
ID3D10Texture2D* texture2D = NULL;
ID3D10Resource* pD3D10Resource = NULL;
// Loads the texture into a temporary ID3D10Resource object
HRESULT hr = D3DX10CreateTextureFromFile(pD3DDevice,filename,NULL,NULL,&pD3D10Resource,NULL);
// Make sure the texture was loaded in successfully
if (FAILED(hr))
{
return NULL;
}
// Translates the ID3D10Resource object into a ID3D10Texture2D object
hr = pD3D10Resource ->QueryInterface(__uuidof( ID3D10Texture2D), (LPVOID*)&texture2D);
pD3D10Resource ->Release();
// returns the ID3D10Texture2D object
return texture2D;
}
// This is winmain, the main entry point for Windows applications
int APIENTRY _tWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,LPTSTR lpCmdLine, int nCmdShow )
{
// Initialize the window
if ( !InitWindow( hInstance, width, height ) )
{
return false;
}
// called after creating the window
if ( !InitDirect3D( wndHandle, width, height) )
{
return 0;
}
LPCWSTR filename=L"Textures/Alpha.png";
ID3D10Texture2D* texture=GetTexture2DFromFile(filename);
D3D10_SHADER_RESOURCE_VIEW_DESC SRVDesc;
if (texture != NULL)
{
// Get the texture details
D3D10_TEXTURE2D_DESC desc;
texture->GetDesc( &desc );
D3D10_RESOURCE_DIMENSION rr;
texture->GetType(&rr);
// Create a shader resource view of the texture
// Clear out the shader resource view description structure
ZeroMemory( &SRVDesc, sizeof(SRVDesc) );
// Set the texture format
SRVDesc.Format = desc.Format;
// Set the type of resource
SRVDesc.ViewDimension = D3D10_SRV_DIMENSION_TEXTURE2D;
SRVDesc.Texture2D.MipLevels = desc.MipLevels;
}
ID3D10ShaderResourceView *gSpriteTextureRV = NULL;
pD3DDevice->CreateShaderResourceView(texture, &SRVDesc, &gSpriteTextureRV);
// Set the sprite’s shader resource view
testSprite.pTexture = gSpriteTextureRV;
// top-left location in U,V coords
testSprite.TexCoord.x = 0;
testSprite.TexCoord.y = 0;
// Determine the texture size in U,V coords
testSprite.TexSize.x = 1.0f;
testSprite.TexSize.y = 1.0f;
// Set the texture index. Single textures will use 0
testSprite.TextureIndex = 0;
// The color to apply to this sprite, full color applies white.
testSprite.ColorModulate = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);
// these variables describe the dimensions of the sprite
// and where it should be located.
float spritePosX = 300;
float spritePosY = 300;
float spriteWidth = 120;
float spriteHeight = 158;
// The translation matrix to be created
D3DXMATRIX matTranslation;
// Create the translation matrix
D3DXMatrixTranslation( &matTranslation,spritePosX,spritePosY,0.1f);
// Scale the sprite to its correct width and height
D3DXMATRIX matScaling;
D3DXMatrixScaling(&matScaling, spriteWidth, spriteHeight, 1.0f );
testSprite.matWorld = (matScaling * matTranslation);
// create the sprite object
HRESULT hr = D3DX10CreateSprite(pD3DDevice, 0, &spriteObject);
// Make sure the sprite creation was successful
if (hr != S_OK)
{
// Handle failure
}
// spriteObject contains a valid ID3DX10Sprite object
if (!spriteObject)
{
spriteObject->Release();
spriteObject = NULL;
}
//Projection
D3DXMATRIX matProjection;
// Create the projection matrix using the values in the viewport
D3DXMatrixOrthoOffCenterLH(&matProjection,
(float)viewPort.TopLeftX,
(float)viewPort.Width,
(float)viewPort.TopLeftY,
(float)viewPort.Height,
0.1f,
10);
// Set the projection matrix
hr = spriteObject->SetProjectionTransform(&matProjection);
//D3DXMATRIX matView;
//hr = spriteObject->SetViewTransform(&matView);
ID3D10BlendState* m_pFontBlendState10 = NULL;
D3D10_BLEND_DESC StateDesc;
ZeroMemory( &StateDesc, sizeof( D3D10_BLEND_DESC ) );
StateDesc.AlphaToCoverageEnable = FALSE;
StateDesc.BlendEnable[0] = TRUE;
StateDesc.SrcBlend = D3D10_BLEND_SRC_ALPHA;
StateDesc.DestBlend = D3D10_BLEND_INV_SRC_ALPHA;
StateDesc.BlendOp = D3D10_BLEND_OP_ADD;
StateDesc.SrcBlendAlpha = D3D10_BLEND_ZERO;
StateDesc.DestBlendAlpha = D3D10_BLEND_ZERO;
StateDesc.BlendOpAlpha = D3D10_BLEND_OP_ADD;
StateDesc.RenderTargetWriteMask[0] = 0xf;
hr = pD3DDevice->CreateBlendState( &StateDesc, &m_pFontBlendState10 );
FLOAT NewBlendFactor[4] = {0,0,0,0};
pD3DDevice->OMSetBlendState( m_pFontBlendState10, NewBlendFactor, 0xffffffff );
// main message loop:
MSG msg = {0};
while (WM_QUIT != msg.message)
{
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) == TRUE)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
// Additional game logic can be called from here
Render();
}
return (int) msg.wParam;
}
/*******************************************************************
* InitWindow
* Inits and creates and main app window
* Inputs - application instance - HINSTANCE
Window width - int
Window height - int
* Outputs - true if successful, false if failed - bool
*******************************************************************/
bool InitWindow(HINSTANCE hInstance, int width, int height)
{
WNDCLASSEX wcex;
// Fill in the WNDCLASSEX structure. This describes how the window
// will look to the system
wcex.cbSize = sizeof(WNDCLASSEX); // the size of the structure
wcex.style = CS_HREDRAW | CS_VREDRAW; // the class style
wcex.lpfnWndProc = (WNDPROC)WndProc; // the window procedure callback
wcex.cbClsExtra = 0; // extra bytes to allocate for this class
wcex.cbWndExtra = 0; // extra bytes to allocate for this instance
wcex.hInstance = hInstance; // handle to the application instance
wcex.hIcon = 0; // icon to associate with the application
wcex.hCursor = LoadCursor(NULL, IDC_ARROW); // the default cursor to use
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); // the background color
wcex.lpszMenuName = NULL; // the resource name for the menu
wcex.lpszClassName = TEXT("DirectXExample"); // the class name being created
wcex.hIconSm = 0; // the handle to the small icon
RegisterClassEx(&wcex);
// Resize the window
RECT rect = { 0, 0, width, height };
AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, FALSE);
// create the window from the class above
wndHandle = CreateWindow(TEXT("DirectXExample"),
TEXT("DirectXExample"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
rect.right - rect.left,
rect.bottom - rect.top,
NULL,
NULL,
hInstance,
NULL);
if (!wndHandle)
{
return false;
}
// Display the window on the screen
ShowWindow(wndHandle, SW_SHOW);
UpdateWindow(wndHandle);
return true;
}
/*******************************************************************
* WndProc
* The main window procedure for the application
* Inputs - application window handle - HWND
message sent to the window - UINT
wParam of the message being sent - WPARAM
lParam of the message being sent - LPARAM
* Outputs - LRESULT
*******************************************************************/
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
// Check any available messages from the queue
switch (message)
{
// Allow the user to press the Escape key to end the application
case WM_KEYDOWN:
switch(wParam)
{
// Check if the user hit the Escape key
case VK_ESCAPE:
PostQuitMessage(0);
break;
}
break;
// The user hit the close button, close the application
case WM_DESTROY:
PostQuitMessage(0);
break;
}
// Always return the message to the default window procedure for further
return DefWindowProc(hWnd, message, wParam, lParam);
} |
Problème d'affichage d'un sprite en C++.
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