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axmol/cocos2dx/platform/win32/CCEGLView_win32.cpp

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/****************************************************************************
Copyright (c) 2010 cocos2d-x.org
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "CCEGLView.h"
#include "CCSet.h"
#include "ccMacros.h"
#include "CCDirector.h"
#include "CCTouch.h"
#include "CCTouchDispatcher.h"
#include "CCIMEDispatcher.h"
#include "CCKeypadDispatcher.h"
#include "CCApplication.h"
#include "EGL/egl.h"
NS_CC_BEGIN;
//////////////////////////////////////////////////////////////////////////
// impliment CCEGL
//////////////////////////////////////////////////////////////////////////
class CCEGL
{
public:
~CCEGL()
{
if (EGL_NO_SURFACE != m_eglSurface)
{
eglDestroySurface(m_eglDisplay, m_eglSurface);
}
if (EGL_NO_CONTEXT != m_eglContext)
{
eglDestroyContext(m_eglDisplay, m_eglContext);
}
eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglTerminate(m_eglDisplay);
if (m_eglNativeDisplay)
{
ReleaseDC(m_eglNativeWindow, m_eglNativeDisplay);
}
}
static CCEGL * create(CCEGLView * pWindow)
{
CCEGL * pEGL = new CCEGL;
BOOL bSuccess = FALSE;
do
{
CC_BREAK_IF(! pEGL);
pEGL->m_eglNativeWindow = pWindow->getHWnd();
pEGL->m_eglNativeDisplay = GetDC(pEGL->m_eglNativeWindow);
EGLDisplay eglDisplay;
CC_BREAK_IF(EGL_NO_DISPLAY == (eglDisplay = eglGetDisplay(pEGL->m_eglNativeDisplay)));
EGLint nMajor, nMinor;
CC_BREAK_IF(EGL_FALSE == eglInitialize(eglDisplay, &nMajor, &nMinor) || 1 != nMajor);
const EGLint aConfigAttribs[] =
{
EGL_LEVEL, 0,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NATIVE_RENDERABLE, EGL_FALSE,
EGL_DEPTH_SIZE, 16,
EGL_NONE,
};
EGLint iConfigs;
EGLConfig eglConfig;
CC_BREAK_IF(EGL_FALSE == eglChooseConfig(eglDisplay, aConfigAttribs, &eglConfig, 1, &iConfigs)
|| (iConfigs != 1));
EGLContext eglContext;
eglContext = eglCreateContext(eglDisplay, eglConfig, NULL, NULL);
CC_BREAK_IF(EGL_NO_CONTEXT == eglContext);
EGLSurface eglSurface;
eglSurface = eglCreateWindowSurface(eglDisplay, eglConfig, pEGL->m_eglNativeWindow, NULL);
CC_BREAK_IF(EGL_NO_SURFACE == eglSurface);
CC_BREAK_IF(EGL_FALSE == eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext));
pEGL->m_eglDisplay = eglDisplay;
pEGL->m_eglConfig = eglConfig;
pEGL->m_eglContext = eglContext;
pEGL->m_eglSurface = eglSurface;
bSuccess = TRUE;
} while (0);
if (! bSuccess)
{
CC_SAFE_DELETE(pEGL);
}
return pEGL;
}
void resizeSurface()
{
// if (! m_eglNativeWindow || EGL_NO_DISPLAY == m_eglDisplay)
// {
// return;
// }
//
// // release old surface
// if (EGL_NO_SURFACE != m_eglSurface)
// {
// eglDestroySurface(m_eglDisplay, m_eglSurface);
// m_eglSurface = EGL_NO_SURFACE;
// }
//
// // create new surface and make current
// m_eglSurface = eglCreateWindowSurface(m_eglDisplay, m_eglConfig, m_eglNativeWindow, NULL);
// eglMakeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext);
}
void swapBuffers()
{
if (EGL_NO_DISPLAY != m_eglDisplay)
{
eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
}
private:
CCEGL()
: m_eglNativeWindow(NULL)
, m_eglNativeDisplay(EGL_DEFAULT_DISPLAY)
, m_eglDisplay(EGL_NO_DISPLAY)
, m_eglConfig(0)
, m_eglSurface(EGL_NO_SURFACE)
, m_eglContext(EGL_NO_CONTEXT)
{}
EGLNativeWindowType m_eglNativeWindow;
EGLNativeDisplayType m_eglNativeDisplay;
EGLDisplay m_eglDisplay;
EGLConfig m_eglConfig;
EGLSurface m_eglSurface;
EGLContext m_eglContext;
};
//////////////////////////////////////////////////////////////////////////
// impliment CCEGLView
//////////////////////////////////////////////////////////////////////////
static CCEGLView * s_pMainWindow;
static const WCHAR * kWindowClassName = L"Cocos2dxWin32";
static LRESULT CALLBACK _WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (s_pMainWindow && s_pMainWindow->getHWnd() == hWnd)
{
return s_pMainWindow->WindowProc(uMsg, wParam, lParam);
}
else
{
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
}
CCEGLView::CCEGLView()
: m_bCaptured(false)
, m_pDelegate(NULL)
, m_pEGL(NULL)
, m_hWnd(NULL)
, m_fScreenScaleFactor(1.0f)
, m_lpfnAccelerometerKeyHook(NULL)
{
m_pTouch = new CCTouch;
m_pSet = new CCSet;
m_tSizeInPoints.cx = m_tSizeInPoints.cy = 0;
SetRectEmpty(&m_rcViewPort);
}
CCEGLView::~CCEGLView()
{
}
bool CCEGLView::Create(LPCTSTR pTitle, int w, int h)
{
bool bRet = false;
do
{
CC_BREAK_IF(m_hWnd);
HINSTANCE hInstance = GetModuleHandle( NULL );
WNDCLASS wc; // Windows Class Structure
// Redraw On Size, And Own DC For Window.
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = _WindowProc; // WndProc Handles Messages
wc.cbClsExtra = 0; // No Extra Window Data
wc.cbWndExtra = 0; // No Extra Window Data
wc.hInstance = hInstance; // Set The Instance
wc.hIcon = LoadIcon( NULL, IDI_WINLOGO ); // Load The Default Icon
wc.hCursor = LoadCursor( NULL, IDC_ARROW ); // Load The Arrow Pointer
wc.hbrBackground = NULL; // No Background Required For GL
wc.lpszMenuName = NULL; // We Don't Want A Menu
wc.lpszClassName = kWindowClassName; // Set The Class Name
CC_BREAK_IF(! RegisterClass(&wc) && 1410 != GetLastError());
// center window position
RECT rcDesktop;
GetWindowRect(GetDesktopWindow(), &rcDesktop);
// create window
m_hWnd = CreateWindowEx(
WS_EX_APPWINDOW | WS_EX_WINDOWEDGE, // Extended Style For The Window
kWindowClassName, // Class Name
pTitle, // Window Title
WS_CAPTION | WS_POPUPWINDOW | WS_MINIMIZEBOX, // Defined Window Style
0, 0, // Window Position
0, // Window Width
0, // Window Height
NULL, // No Parent Window
NULL, // No Menu
hInstance, // Instance
NULL );
CC_BREAK_IF(! m_hWnd);
m_tSizeInPoints.cx = w;
m_tSizeInPoints.cy = h;
resize(w, h);
// init egl
m_pEGL = CCEGL::create(this);
if (! m_pEGL)
{
DestroyWindow(m_hWnd);
m_hWnd = NULL;
break;
}
s_pMainWindow = this;
bRet = true;
} while (0);
return bRet;
}
LRESULT CCEGLView::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
switch (message)
{
case WM_LBUTTONDOWN:
if (m_pDelegate && m_pTouch && MK_LBUTTON == wParam)
{
POINT pt = {(short)LOWORD(lParam), (short)HIWORD(lParam)};
if (PtInRect(&m_rcViewPort, pt))
{
m_bCaptured = true;
SetCapture(m_hWnd);
m_pTouch->SetTouchInfo((float)(pt.x - m_rcViewPort.left) / m_fScreenScaleFactor,
(float)(pt.y - m_rcViewPort.top) / m_fScreenScaleFactor);
m_pSet->addObject(m_pTouch);
m_pDelegate->touchesBegan(m_pSet, NULL);
}
}
break;
case WM_MOUSEMOVE:
if (MK_LBUTTON == wParam && m_bCaptured)
{
m_pTouch->SetTouchInfo((float)((short)LOWORD(lParam)- m_rcViewPort.left) / m_fScreenScaleFactor,
(float)((short)HIWORD(lParam) - m_rcViewPort.top) / m_fScreenScaleFactor);
m_pDelegate->touchesMoved(m_pSet, NULL);
}
break;
case WM_LBUTTONUP:
if (m_bCaptured)
{
m_pTouch->SetTouchInfo((float)((short)LOWORD(lParam)- m_rcViewPort.left) / m_fScreenScaleFactor,
(float)((short)HIWORD(lParam) - m_rcViewPort.top) / m_fScreenScaleFactor);
m_pDelegate->touchesEnded(m_pSet, NULL);
m_pSet->removeObject(m_pTouch);
ReleaseCapture();
m_bCaptured = false;
}
break;
case WM_SIZE:
switch (wParam)
{
case SIZE_RESTORED:
CCApplication::sharedApplication().applicationWillEnterForeground();
break;
case SIZE_MINIMIZED:
CCApplication::sharedApplication().applicationDidEnterBackground();
break;
}
break;
case WM_KEYDOWN:
if (wParam == VK_F1 || wParam == VK_F2)
{
CCDirector* pDirector = CCDirector::sharedDirector();
if (GetKeyState(VK_LSHIFT) < 0 || GetKeyState(VK_RSHIFT) < 0 || GetKeyState(VK_SHIFT) < 0)
pDirector->getKeypadDispatcher()->dispatchKeypadMSG(wParam == VK_F1 ? kTypeBackClicked : kTypeMenuClicked);
}
if ( m_lpfnAccelerometerKeyHook!=NULL )
{
(*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );
}
break;
case WM_KEYUP:
if ( m_lpfnAccelerometerKeyHook!=NULL )
{
(*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );
}
break;
case WM_CHAR:
{
if (wParam < 0x20)
{
if (VK_BACK == wParam)
{
CCIMEDispatcher::sharedDispatcher()->dispatchDeleteBackward();
}
else if (VK_RETURN == wParam)
{
CCIMEDispatcher::sharedDispatcher()->dispatchInsertText("\n", 1);
}
else if (VK_TAB == wParam)
{
// tab input
}
else if (VK_ESCAPE == wParam)
{
// ESC input
CCDirector::sharedDirector()->end();
}
}
else if (wParam < 128)
{
// ascii char
CCIMEDispatcher::sharedDispatcher()->dispatchInsertText((const char *)&wParam, 1);
}
else
{
char szUtf8[8] = {0};
int nLen = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)&wParam, 1, szUtf8, sizeof(szUtf8), NULL, NULL);
CCIMEDispatcher::sharedDispatcher()->dispatchInsertText(szUtf8, nLen);
}
if ( m_lpfnAccelerometerKeyHook!=NULL )
{
(*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );
}
}
break;
case WM_PAINT:
BeginPaint(m_hWnd, &ps);
EndPaint(m_hWnd, &ps);
break;
case WM_CLOSE:
CCDirector::sharedDirector()->end();
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(m_hWnd, message, wParam, lParam);
}
return 0;
}
void CCEGLView::setAccelerometerKeyHook( LPFN_ACCELEROMETER_KEYHOOK lpfnAccelerometerKeyHook )
{
m_lpfnAccelerometerKeyHook=lpfnAccelerometerKeyHook;
}
CCSize CCEGLView::getSize()
{
return CCSize((float)(m_tSizeInPoints.cx), (float)(m_tSizeInPoints.cy));
}
bool CCEGLView::isOpenGLReady()
{
return (NULL != m_pEGL);
}
bool CCEGLView::isIpad()
{
return false;
}
void CCEGLView::release()
{
if (m_hWnd)
{
DestroyWindow(m_hWnd);
m_hWnd = NULL;
}
s_pMainWindow = NULL;
UnregisterClass(kWindowClassName, GetModuleHandle(NULL));
CC_SAFE_DELETE(m_pSet);
CC_SAFE_DELETE(m_pTouch);
CC_SAFE_DELETE(m_pEGL);
delete this;
}
void CCEGLView::setTouchDelegate(EGLTouchDelegate * pDelegate)
{
m_pDelegate = pDelegate;
}
void CCEGLView::swapBuffers()
{
if (m_pEGL)
{
m_pEGL->swapBuffers();
}
}
void CCEGLView::setViewPortInPoints(float x, float y, float w, float h)
{
if (m_pEGL)
{
float factor = m_fScreenScaleFactor / CC_CONTENT_SCALE_FACTOR();
glViewport((GLint)(x * factor) + m_rcViewPort.left,
(GLint)(y * factor) + m_rcViewPort.top,
(GLint)(w * factor),
(GLint)(h * factor));
}
}
void CCEGLView::setScissorInPoints(float x, float y, float w, float h)
{
if (m_pEGL)
{
float factor = m_fScreenScaleFactor / CC_CONTENT_SCALE_FACTOR();
glScissor((GLint)(x * factor) + m_rcViewPort.left,
(GLint)(y * factor) + m_rcViewPort.top,
(GLint)(w * factor),
(GLint)(h * factor));
}
}
void CCEGLView::setIMEKeyboardState(bool /*bOpen*/)
{
}
HWND CCEGLView::getHWnd()
{
return m_hWnd;
}
void CCEGLView::resize(int width, int height)
{
if (! m_hWnd)
{
return;
}
RECT rcClient;
GetClientRect(m_hWnd, &rcClient);
if (rcClient.right - rcClient.left == width &&
rcClient.bottom - rcClient.top == height)
{
return;
}
// calculate new window width and height
rcClient.right = rcClient.left + width;
rcClient.bottom = rcClient.top + height;
AdjustWindowRectEx(&rcClient, GetWindowLong(m_hWnd, GWL_STYLE), false, GetWindowLong(m_hWnd, GWL_EXSTYLE));
// change width and height
SetWindowPos(m_hWnd, 0, 0, 0, rcClient.right - rcClient.left,
rcClient.bottom - rcClient.top, SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER);
if (m_pEGL)
{
m_pEGL->resizeSurface();
}
// calculate view port in pixels
int viewPortW = (int)(m_tSizeInPoints.cx * m_fScreenScaleFactor);
int viewPortH = (int)(m_tSizeInPoints.cy * m_fScreenScaleFactor);
GetClientRect(m_hWnd, &rcClient);
// calculate client new width and height
int newW = rcClient.right - rcClient.left;
int newH = rcClient.bottom - rcClient.top;
// calculate new view port
m_rcViewPort.left = rcClient.left + (newW - viewPortW) / 2;
m_rcViewPort.top = rcClient.top + (newH - viewPortH) / 2;
m_rcViewPort.right = m_rcViewPort.left + viewPortW;
m_rcViewPort.bottom = m_rcViewPort.top + viewPortH;
}
void CCEGLView::centerWindow()
{
if (! m_hWnd)
{
return;
}
RECT rcDesktop, rcWindow;
GetWindowRect(GetDesktopWindow(), &rcDesktop);
// substract the task bar
HWND hTaskBar = FindWindow(TEXT("Shell_TrayWnd"), NULL);
if (hTaskBar != NULL)
{
APPBARDATA abd;
abd.cbSize = sizeof(APPBARDATA);
abd.hWnd = hTaskBar;
SHAppBarMessage(ABM_GETTASKBARPOS, &abd);
SubtractRect(&rcDesktop, &rcDesktop, &abd.rc);
}
GetWindowRect(m_hWnd, &rcWindow);
int offsetX = (rcDesktop.right - rcDesktop.left - (rcWindow.right - rcWindow.left)) / 2;
offsetX = (offsetX > 0) ? offsetX : rcDesktop.left;
int offsetY = (rcDesktop.bottom - rcDesktop.top - (rcWindow.bottom - rcWindow.top)) / 2;
offsetY = (offsetY > 0) ? offsetY : rcDesktop.top;
SetWindowPos(m_hWnd, 0, offsetX, offsetY, 0, 0, SWP_NOCOPYBITS | SWP_NOSIZE | SWP_NOOWNERZORDER | SWP_NOZORDER);
}
void CCEGLView::setScreenScale(float factor)
{
m_fScreenScaleFactor = factor;
}
bool CCEGLView::canSetContentScaleFactor()
{
return true;
}
void CCEGLView::setContentScaleFactor(float contentScaleFactor)
{
m_fScreenScaleFactor = contentScaleFactor;
resize((int)(m_tSizeInPoints.cx * contentScaleFactor), (int)(m_tSizeInPoints.cy * contentScaleFactor));
centerWindow();
}
CCEGLView& CCEGLView::sharedOpenGLView()
{
CC_ASSERT(s_pMainWindow);
return *s_pMainWindow;
}
NS_CC_END;
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