Implemented shape moving/rotating/zooming. Used parts of Dnk's code from object viewer for setting the camera up properly. NOTE: for some reason the ViewPortWidget doesn't receive native mouse wheel events. An investigation is in order.

--HG--
branch : gsoc2013-dfighter

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/nel3d_interface.cpp

@@ -24,6 +24,7 @@
 #include "nel/3d/scene_user.h"
 #include "nel/3d/u_camera.h"
 #include "nel/3d/u_instance.h"
+#include "nel/3d/u_3d_mouse_listener.h"
 #include "nel/misc/i_xml.h"
 #include "nel/misc/o_xml.h"
 #include "nel/misc/file.h"
@@ -204,6 +205,7 @@ namespace MaterialEditor
 		shaderManager = new NL3D::CShaderManager();
 		driver = NULL;
 		scene = NULL;
+		mouseListener = NULL;
 	}
 
 	CNel3DInterface::~CNel3DInterface()
@@ -348,15 +350,18 @@ namespace MaterialEditor
 		driver->setDisplay( (nlWindow)wnd, NL3D::UDriver::CMode( w, h, 32 ) );
 
 		scene = driver->createScene( true );
-
+		mouseListener = driver->create3dMouseListener();
+		mouseListener->setMouseMode( NL3D::U3dMouseListener::nelStyle );
 	}
 
 	void CNel3DInterface::killViewPort()
 	{
 		driver->deleteScene( scene );
+		scene = NULL;
+		driver->delete3dMouseListener( mouseListener );
+		mouseListener = NULL;
 		delete driver;
 		driver = NULL;
-
 	}
 
 	void CNel3DInterface::resizeViewPort( unsigned long w, unsigned long h )
@@ -377,6 +382,8 @@ namespace MaterialEditor
 		clearScene();
 		currentShape = instance;
 
+		setupCamera();
+
 		return true;
 	}
 
@@ -397,14 +404,50 @@ namespace MaterialEditor
 		driver->swapBuffers();
 	}
 
+	void CNel3DInterface::updateInput()
+	{
+		driver->EventServer.pump();
+	}
+
 	void CNel3DInterface::renderScene()
 	{
 		if( scene != NULL )
 		{
+			scene->getCam().setTransformMode( NL3D::UTransformable::DirectMatrix );
+			scene->getCam().setMatrix( mouseListener->getViewMatrix() );
+
 			driver->clearBuffers();
 			scene->render();
 			driver->swapBuffers();
 		}
 	}
+
+	void CNel3DInterface::setupCamera()
+	{
+		NLMISC::CAABBox bbox;
+		currentShape.getShapeAABBox( bbox );
+		
+		NLMISC::CVector center = bbox.getCenter();
+		NLMISC::CQuat q( 0.0f, 0.0f, 0.0f, 0.0f );
+		currentShape.getDefaultRotQuat( q );
+
+		NLMISC::CVector max_radius = bbox.getHalfSize();
+		float radius = std::max( max_radius.x, std::max( max_radius.y, max_radius.z ) );
+		float distance = radius / tan( 45.0f );
+
+		NLMISC::CVector axis = q.getAxis();
+		if( axis.isNull() || ( axis == NLMISC::CVector::I ) )
+			axis = NLMISC::CVector::J;
+		else
+		if( axis == -NLMISC::CVector::K )
+			axis = -NLMISC::CVector::J;
+
+		NLMISC::CVector eye = center - axis * ( radius + distance );		
+		scene->getCam().lookAt( eye, center );
+
+		mouseListener->setHotSpot( center );
+		mouseListener->setMatrix( scene->getCam().getMatrix() );
+	}
+
 }
 

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/nel3d_interface.h

@@ -28,6 +28,7 @@ namespace NL3D
 	class CShaderManager;
 	class UDriver;
 	class UScene;
+	class U3dMouseListener;
 }
 
 namespace MaterialEditor
@@ -150,14 +151,17 @@ namespace MaterialEditor
 
 		bool loadShape( const std::string &fileName );
 		void clearScene();
+		void updateInput();
 		void renderScene();
 
 	private:
+		void setupCamera();
+
 		NL3D::CDynMaterial *mat;
 		NL3D::CShaderManager *shaderManager;
 		NL3D::UDriver *driver;
 		NL3D::UScene *scene;
-
+		NL3D::U3dMouseListener *mouseListener;
 	};
 }
 

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/viewport_widget.cpp

@@ -33,7 +33,7 @@ namespace MaterialEditor
 	{
 		nl3dIface = NULL;
 		timerId = 0;
-		setAttribute( Qt::WA_PaintOnScreen, true );
+		setAttribute( Qt::WA_PaintOnScreen );
 	}
 
 	ViewPortWidget::~ViewPortWidget()
@@ -77,12 +77,22 @@ namespace MaterialEditor
 			update();
 	}
 
+	void ViewPortWidget::wheelEvent( QWheelEvent *evnt )
+	{
+		QWidget::wheelEvent( evnt );
+	}
+
 #if defined( NL_OS_WINDOWS )
 	
 	typedef bool ( *winProc )( NL3D::IDriver *driver, HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
 	
 	bool ViewPortWidget::winEvent( MSG *message, long *result )
 	{
+		if( message->message == WM_MOUSEWHEEL )
+		{
+			printf( "" );
+		}
+
 		NL3D::UDriver *udriver = nl3dIface->getDriver();
 		if( ( udriver != NULL ) && udriver->isActive() )
 		{
@@ -145,6 +155,7 @@ namespace MaterialEditor
 
 	void ViewPortWidget::update()
 	{
+		nl3dIface->updateInput();
 		nl3dIface->renderScene();
 	}
 

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/viewport_widget.h

@@ -46,6 +46,8 @@ namespace MaterialEditor
 
 		void timerEvent( QTimerEvent *evnt );
 
+		void wheelEvent( QWheelEvent *evnt );
+
 #if defined ( NL_OS_WINDOWS )
 		bool winEvent( MSG *message, long *result );
 #elif defined( NL_OS_MAC )