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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "oglwindow.hxx"
#include <cppuhelper/supportsservice.hxx>
using namespace com::sun::star;
using namespace libgltf;
namespace avmedia { namespace ogl {
OGLWindow::OGLWindow( glTFHandle& rHandle, const rtl::Reference<OpenGLContext> &rContext, vcl::Window& rEventHandlerParent )
: m_rHandle( rHandle )
, m_xContext( rContext )
, m_rEventHandler( rEventHandlerParent )
, m_bVisible ( false )
, m_aLastMousePos(Point(0,0))
, m_bIsOrbitMode( false )
{
}
OGLWindow::~OGLWindow()
{
dispose();
}
void SAL_CALL OGLWindow::update()
{
m_xContext->makeCurrent();
int nRet = gltf_prepare_renderer(&m_rHandle);
if( nRet != 0 )
{
SAL_WARN("avmedia.opengl", "Error occurred while preparing for rendering! Error code: " << nRet);
return;
}
gltf_renderer(&m_rHandle);
gltf_complete_renderer(&m_rHandle);
m_xContext->swapBuffers();
}
sal_Bool SAL_CALL OGLWindow::setZoomLevel( css::media::ZoomLevel /*eZoomLevel*/ )
{
return false;
}
css::media::ZoomLevel SAL_CALL OGLWindow::getZoomLevel()
{
return media::ZoomLevel_ORIGINAL;
}
void SAL_CALL OGLWindow::setPointerType( sal_Int32 )
{
}
OUString SAL_CALL OGLWindow::getImplementationName()
{
return OUString("com.sun.star.comp.avmedia.Window_OpenGL");
}
sal_Bool SAL_CALL OGLWindow::supportsService( const OUString& rServiceName )
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence< OUString > SAL_CALL OGLWindow::getSupportedServiceNames()
{
return { "com.sun.star.media.Window_OpenGL" };
}
void SAL_CALL OGLWindow::dispose()
{
assert(m_rEventHandler.GetParent());
m_rEventHandler.GetParent()->RemoveEventListener( LINK(this, OGLWindow, FocusGrabber));
m_rEventHandler.RemoveEventListener( LINK(this, OGLWindow, CameraHandler));
}
void SAL_CALL OGLWindow::addEventListener( const uno::Reference< lang::XEventListener >& )
{
}
void SAL_CALL OGLWindow::removeEventListener( const uno::Reference< lang::XEventListener >& )
{
}
void SAL_CALL OGLWindow::setPosSize( sal_Int32 nX, sal_Int32 nY, sal_Int32 nWidth, sal_Int32 nHeight, sal_Int16 /*nFlags*/ )
{
if( m_rHandle.viewport.x != nX || m_rHandle.viewport.x != nY ||
m_rHandle.viewport.width != nWidth || m_rHandle.viewport.height != nHeight )
{
m_xContext->setWinSize(Size(nWidth,nHeight));
m_rHandle.viewport.x = nX;
m_rHandle.viewport.y = nY;
m_rHandle.viewport.width = nWidth;
m_rHandle.viewport.height = nHeight;
}
}
awt::Rectangle SAL_CALL OGLWindow::getPosSize()
{
return awt::Rectangle(m_rHandle.viewport.x, m_rHandle.viewport.y,
m_rHandle.viewport.width, m_rHandle.viewport.height);
}
void SAL_CALL OGLWindow::setVisible( sal_Bool bSet )
{
assert(m_rEventHandler.GetParent());
if( bSet && !m_bVisible )
{
m_rEventHandler.GetParent()->AddEventListener( LINK(this, OGLWindow, FocusGrabber));
m_rEventHandler.AddEventListener( LINK(this, OGLWindow, CameraHandler));
m_rEventHandler.GrabFocus();
}
else if( !bSet )
{
m_rEventHandler.GetParent()->RemoveEventListener( LINK(this, OGLWindow, FocusGrabber));
m_rEventHandler.RemoveEventListener( LINK(this, OGLWindow, CameraHandler));
}
m_bVisible = bSet;
}
void SAL_CALL OGLWindow::setEnable( sal_Bool )
{
}
void SAL_CALL OGLWindow::setFocus()
{
}
void SAL_CALL OGLWindow::addWindowListener( const uno::Reference< awt::XWindowListener >& )
{
}
void SAL_CALL OGLWindow::removeWindowListener( const uno::Reference< awt::XWindowListener >& )
{
}
void SAL_CALL OGLWindow::addFocusListener( const uno::Reference< awt::XFocusListener >& )
{
}
void SAL_CALL OGLWindow::removeFocusListener( const uno::Reference< awt::XFocusListener >& )
{
}
void SAL_CALL OGLWindow::addKeyListener( const uno::Reference< awt::XKeyListener >& )
{
}
void SAL_CALL OGLWindow::removeKeyListener( const uno::Reference< awt::XKeyListener >& )
{
}
void SAL_CALL OGLWindow::addMouseListener( const uno::Reference< awt::XMouseListener >& )
{
}
void SAL_CALL OGLWindow::removeMouseListener( const uno::Reference< awt::XMouseListener >& )
{
}
void SAL_CALL OGLWindow::addMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& )
{
}
void SAL_CALL OGLWindow::removeMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& )
{
}
void SAL_CALL OGLWindow::addPaintListener( const uno::Reference< awt::XPaintListener >& )
{
}
void SAL_CALL OGLWindow::removePaintListener( const uno::Reference< awt::XPaintListener >& )
{
}
IMPL_LINK(OGLWindow, FocusGrabber, VclWindowEvent&, rEvent, void)
{
if( rEvent.GetId() == VclEventId::WindowMouseMove )
{
MouseEvent* pMouseEvt = static_cast<MouseEvent*>(rEvent.GetData());
if(pMouseEvt)
{
const Point& rMousePos = pMouseEvt->GetPosPixel();
const tools::Rectangle aWinRect(m_rEventHandler.GetPosPixel(),m_rEventHandler.GetSizePixel());
// Grab focus to the OpenGL window when mouse pointer is over it
if( aWinRect.IsInside(rMousePos) )
{
if ( !m_rEventHandler.HasFocus() )
{
m_rEventHandler.GrabFocus();
}
}
// Move focus to the document when mouse is not over the OpenGL window
else if ( m_rEventHandler.HasFocus() )
{
m_rEventHandler.GrabFocusToDocument();
}
}
}
}
IMPL_LINK(OGLWindow, CameraHandler, VclWindowEvent&, rEvent, void)
{
if( rEvent.GetId() == VclEventId::WindowKeyInput )
{
KeyEvent* pKeyEvt = static_cast<KeyEvent*>(rEvent.GetData());
if(pKeyEvt)
{
const sal_uInt16 nCode = pKeyEvt->GetKeyCode().GetCode();
if (nCode == KEY_Q || nCode == KEY_E ||
nCode == KEY_A || nCode == KEY_D ||
nCode == KEY_W || nCode == KEY_S )
{
// Calculate movement
glm::vec3 vMoveBy;
{
glm::vec3 vEye;
glm::vec3 vView;
glm::vec3 vUp;
gltf_get_camera_pos(&m_rHandle, &vEye,&vView,&vUp);
float fModelSize =(float)gltf_get_model_size(&m_rHandle);
glm::vec3 vMove = vView-vEye;
vMove = glm::normalize(vMove);
vMove *= 25.0f;
glm::vec3 vStrafe = glm::cross(vMove, vUp);
vStrafe = glm::normalize(vStrafe);
vStrafe *= 25.0f;
glm::vec3 vMup = vUp * 25.0f;
if( !m_bIsOrbitMode )
{
if(nCode == KEY_E)vMoveBy += vMup*(0.0005f*fModelSize);
if(nCode == KEY_Q)vMoveBy -= vMup*(0.0005f*fModelSize);
if(nCode == KEY_W)vMoveBy += vMove*(0.0005f*fModelSize);
if(nCode == KEY_S)vMoveBy -= vMove*(0.0005f*fModelSize);
if(nCode == KEY_A)vMoveBy -= vStrafe*(0.0005f*fModelSize);
if(nCode == KEY_D)vMoveBy += vStrafe*(0.0005f*fModelSize);
}
else
{
bool bZoomIn = false;
bool bZoomOut = false;
if(nCode == KEY_E)
{
vMoveBy += vMove*(0.0005f*fModelSize);
bZoomIn = true;
}
if(nCode == KEY_Q)
{
vMoveBy -= vMove*(0.0005f*fModelSize);
bZoomOut = true;
}
// Limit zooming in orbit mode
float fCameraDistFromModelGlobe = glm::length(vEye + vMoveBy - vView) - fModelSize / 2.0f;
if ((fCameraDistFromModelGlobe < 0.5 * fModelSize && bZoomIn ) ||
(fCameraDistFromModelGlobe > 2 * fModelSize && bZoomOut ))
{
vMoveBy = glm::vec3(0.0);
}
}
}
gltf_renderer_move_camera(&m_rHandle, vMoveBy.x, vMoveBy.y, vMoveBy.z, 0.0001);
if( m_bIsOrbitMode )
{
long nDeltaX = 0;
long nDeltaY = 0;
if (nCode == KEY_W)
{
nDeltaY -= 1;
}
if (nCode == KEY_S)
{
nDeltaY += 1;
}
if (nCode == KEY_A)
{
nDeltaX -= 1;
}
if (nCode == KEY_D)
{
nDeltaX += 1;
}
float fSensitivity = 50.0;
gltf_renderer_rotate_model(&m_rHandle, nDeltaX*fSensitivity, nDeltaY*fSensitivity, 0.0);
}
}
else if(nCode == KEY_M)
{
if(m_bIsOrbitMode)
{
gltf_orbit_mode_stop(&m_rHandle);
m_bIsOrbitMode = false;
}
else
{
gltf_orbit_mode_start(&m_rHandle);
m_bIsOrbitMode = true;
}
}
else if(nCode == KEY_F)
{
gltf_render_FPS_enable(&m_rHandle);
}
}
}
else if( rEvent.GetId() == VclEventId::WindowMouseButtonDown )
{
MouseEvent* pMouseEvt = static_cast<MouseEvent*>(rEvent.GetData());
if(pMouseEvt && pMouseEvt->IsLeft() && pMouseEvt->GetClicks() == 1)
{
m_aLastMousePos = pMouseEvt->GetPosPixel();
}
}
else if( rEvent.GetId() == VclEventId::WindowMouseMove )
{
if ( !m_rEventHandler.HasFocus() )
{
m_rEventHandler.GrabFocus();
}
MouseEvent* pMouseEvt = static_cast<MouseEvent*>(rEvent.GetData());
if(pMouseEvt && pMouseEvt->IsLeft() && m_aLastMousePos != Point(0,0))
{
const Point& aCurPos = pMouseEvt->GetPosPixel();
float fSensitivity = std::min(m_rHandle.viewport.width, m_rHandle.viewport.height);
if (fSensitivity == 0.0)
fSensitivity = 1.0;
else
fSensitivity = 540.0 / fSensitivity;
long nDeltaX = m_aLastMousePos.X()-aCurPos.X();
long nDeltaY = m_aLastMousePos.Y()-aCurPos.Y();
if( m_bIsOrbitMode )
{
fSensitivity *= 5;
gltf_renderer_rotate_model(&m_rHandle, (float)nDeltaX*fSensitivity, (float)nDeltaY*fSensitivity, 0.0);
}
else
{
// Filter out too small deltas to avoid rewrite rotation parameter with 0
// before rotation is done
if( nDeltaX != 0 || nDeltaY != 0 )
gltf_renderer_rotate_camera(&m_rHandle, (float)nDeltaX*fSensitivity, (float)nDeltaY*fSensitivity, 0.0);
}
m_aLastMousePos = aCurPos;
}
}
else if( rEvent.GetId() == VclEventId::WindowMouseButtonUp )
{
MouseEvent* pMouseEvt = static_cast<MouseEvent*>(rEvent.GetData());
if(pMouseEvt && pMouseEvt->IsLeft() && pMouseEvt->GetClicks() == 1)
{
m_aLastMousePos = Point(0,0);
}
}
}
} // namespace ogl
} // namespace avmedia
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|