surface_render.cpp 9.37 KB
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#include "surface_render.h"

#include "mapHandler.h"

namespace CGoGN
{

namespace SCHNApps
{

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bool Surface_Render_Plugin::enable()
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{
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	//	magic line that init static variables of GenericMap in the plugins
		GenericMap::copyAllStatics(m_schnapps->getStaticPointers());

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	m_dockTab = new Surface_Render_DockTab(m_schnapps, this);
	m_schnapps->addPluginDockTab(this, m_dockTab, "Surface_Render");
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	m_flatShader = new CGoGN::Utils::ShaderFlat();
	m_flatShader->setAmbiant(CGoGN::Geom::Vec4f(0.2f, 0.2f, 0.2f, 0.1f));
	m_flatShader->setDiffuse(CGoGN::Geom::Vec4f(0.8f, 0.9f, 0.7f, 1.0f));
	m_flatShader->setExplode(1.0f);

	m_phongShader = new CGoGN::Utils::ShaderPhong() ;
	m_phongShader->setAmbiant(CGoGN::Geom::Vec4f(0.2f, 0.2f, 0.2f, 0.1f)) ;
	m_phongShader->setDiffuse(CGoGN::Geom::Vec4f(0.8f, 0.9f, 0.7f, 1.0f)) ;
	m_phongShader->setSpecular(CGoGN::Geom::Vec4f(0.9f, 0.9f, 0.9f, 1.0f)) ;
	m_phongShader->setShininess(80.0f) ;

	m_simpleColorShader = new CGoGN::Utils::ShaderSimpleColor();

	m_pointSprite = new CGoGN::Utils::PointSprite();

	registerShader(m_flatShader);
	registerShader(m_phongShader);
	registerShader(m_simpleColorShader);
	registerShader(m_pointSprite);

	connect(m_schnapps, SIGNAL(selectedViewChanged(View*, View*)), this, SLOT(selectedViewChanged(View*, View*)));
	connect(m_schnapps, SIGNAL(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)), this, SLOT(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)));
	connect(m_schnapps, SIGNAL(mapAdded(MapHandlerGen*)), this, SLOT(mapAdded(MapHandlerGen*)));
	connect(m_schnapps, SIGNAL(mapRemoved(MapHandlerGen*)), this, SLOT(mapRemoved(MapHandlerGen*)));

	foreach(MapHandlerGen* map, m_schnapps->getMapSet().values())
		mapAdded(map);

	m_dockTab->updateMapParameters();

	return true;
}

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void Surface_Render_Plugin::disable()
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{
	delete m_flatShader;
	delete m_phongShader;
	delete m_simpleColorShader;
	delete m_pointSprite;

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	disconnect(m_schnapps, SIGNAL(selectedViewChanged(View*, View*)), this, SLOT(selectedViewChanged(View*, View*)));
	disconnect(m_schnapps, SIGNAL(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)), this, SLOT(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)));
	disconnect(m_schnapps, SIGNAL(mapAdded(MapHandlerGen*)), this, SLOT(mapAdded(MapHandlerGen*)));
	disconnect(m_schnapps, SIGNAL(mapRemoved(MapHandlerGen*)), this, SLOT(mapRemoved(MapHandlerGen*)));

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	foreach(MapHandlerGen* map, m_schnapps->getMapSet().values())
		mapRemoved(map);
}

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void Surface_Render_Plugin::drawMap(View* view, MapHandlerGen* map)
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{
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	const MapParameters& p = h_viewParameterSet[view][map];
	if(p.positionVBO)
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	{
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		if(p.renderVertices)
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		{
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			m_pointSprite->setSize(map->getBBdiagSize() / 200.0f * p.verticesScaleFactor);
			m_pointSprite->setAttributePosition(p.positionVBO);
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			m_pointSprite->setColor(p.vertexColor);
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			map->draw(m_pointSprite, CGoGN::Algo::Render::GL2::POINTS);
		}
		if(p.renderEdges)
		{
			glLineWidth(1.0f);
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			CGoGN::Geom::Vec4f c(0.1f, 0.1f, 0.1f, 1.0f);
			m_simpleColorShader->setColor(c);
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			m_simpleColorShader->setAttributePosition(p.positionVBO);
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			m_simpleColorShader->setColor(p.simpleColor);
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			map->draw(m_simpleColorShader, CGoGN::Algo::Render::GL2::LINES);
		}
		if(p.renderFaces)
		{
			glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
			glEnable(GL_LIGHTING);
			glEnable(GL_POLYGON_OFFSET_FILL);
			glPolygonOffset(1.0f, 1.0f);
			switch(p.faceStyle)
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			{
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				case MapParameters::FLAT :
					m_flatShader->setAttributePosition(p.positionVBO);
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					m_flatShader->setDiffuse(p.diffuseColor);
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					map->draw(m_flatShader, CGoGN::Algo::Render::GL2::TRIANGLES);
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					break;
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				case MapParameters::PHONG :
					if(p.normalVBO != NULL)
					{
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						m_phongShader->setAttributePosition(p.positionVBO);
						m_phongShader->setAttributeNormal(p.normalVBO);
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						m_phongShader->setDiffuse(p.diffuseColor);
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						map->draw(m_phongShader, CGoGN::Algo::Render::GL2::TRIANGLES);
					}
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					break;
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			}
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			glDisable(GL_POLYGON_OFFSET_FILL);
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		}
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		if(p.renderBoundary)
		{
			glLineWidth(5.0f);
			CGoGN::Geom::Vec4f c(0.8f, 0.8f, 0.1f, 1.0f);
			m_simpleColorShader->setColor(c);
			m_simpleColorShader->setAttributePosition(p.positionVBO);
			map->draw(m_simpleColorShader, CGoGN::Algo::Render::GL2::BOUNDARY);
		}
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	}
}





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void Surface_Render_Plugin::selectedViewChanged(View *prev, View *cur)
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{
	m_dockTab->updateMapParameters();
}

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void Surface_Render_Plugin::selectedMapChanged(MapHandlerGen *prev, MapHandlerGen *cur)
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{
	m_dockTab->updateMapParameters();
}

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void Surface_Render_Plugin::mapAdded(MapHandlerGen *map)
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{
	connect(map, SIGNAL(vboAdded(Utils::VBO*)), this, SLOT(vboAdded(Utils::VBO*)));
	connect(map, SIGNAL(vboRemoved(Utils::VBO*)), this, SLOT(vboRemoved(Utils::VBO*)));
}

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void Surface_Render_Plugin::mapRemoved(MapHandlerGen *map)
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{
	disconnect(map, SIGNAL(vboAdded(Utils::VBO*)), this, SLOT(vboAdded(Utils::VBO*)));
	disconnect(map, SIGNAL(vboRemoved(Utils::VBO*)), this, SLOT(vboRemoved(Utils::VBO*)));
}





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void Surface_Render_Plugin::vboAdded(Utils::VBO *vbo)
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{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());

	if(map == m_schnapps->getSelectedMap())
	{
		if(vbo->dataSize() == 3)
		{
			m_dockTab->addPositionVBO(QString::fromStdString(vbo->name()));
			m_dockTab->addNormalVBO(QString::fromStdString(vbo->name()));
		}
	}
}

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void Surface_Render_Plugin::vboRemoved(Utils::VBO *vbo)
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{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());

	if(map == m_schnapps->getSelectedMap())
	{
		if(vbo->dataSize() == 3)
		{
			m_dockTab->removePositionVBO(QString::fromStdString(vbo->name()));
			m_dockTab->removeNormalVBO(QString::fromStdString(vbo->name()));
		}
	}

	QSet<View*> viewsToUpdate;

	QHash<View*, QHash<MapHandlerGen*, MapParameters> >::iterator i;
	for (i = h_viewParameterSet.begin(); i != h_viewParameterSet.end(); ++i)
	{
		View* view = i.key();
		QHash<MapHandlerGen*, MapParameters>& viewParamSet = i.value();
		MapParameters& mapParam = viewParamSet[map];
		if(mapParam.positionVBO == vbo)
		{
			mapParam.positionVBO = NULL;
			if(view->isLinkedToMap(map)) viewsToUpdate.insert(view);
		}
		if(mapParam.normalVBO == vbo)
		{
			mapParam.normalVBO = NULL;
			if(view->isLinkedToMap(map)) viewsToUpdate.insert(view);
		}
	}

	foreach(View* v, viewsToUpdate)
		v->updateGL();
}





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void Surface_Render_Plugin::changePositionVBO(const QString& view, const QString& map, const QString& vbo)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		Utils::VBO* vbuf = m->getVBO(vbo);
		h_viewParameterSet[v][m].positionVBO = vbuf;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeNormalVBO(const QString& view, const QString& map, const QString& vbo)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		Utils::VBO* vbuf = m->getVBO(vbo);
		h_viewParameterSet[v][m].normalVBO = vbuf;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeRenderVertices(const QString& view, const QString& map, bool b)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].renderVertices = b;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeVerticesScaleFactor(const QString& view, const QString& map, float f)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].verticesScaleFactor = f;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeRenderEdges(const QString& view, const QString& map, bool b)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].renderEdges = b;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeRenderFaces(const QString& view, const QString& map, bool b)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].renderFaces = b;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeFacesStyle(const QString& view, const QString& map, MapParameters::FaceShadingStyle style)
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{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].faceStyle = style;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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void Surface_Render_Plugin::changeRenderBoundary(const QString& view, const QString& map, bool b)
{
	View* v = m_schnapps->getView(view);
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(v && m)
	{
		h_viewParameterSet[v][m].renderBoundary = b;
		if(v->isSelectedView())
		{
			if(v->isLinkedToMap(m))	v->updateGL();
			if(m->isSelectedMap()) m_dockTab->updateMapParameters();
		}
	}
}

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Q_EXPORT_PLUGIN2(Surface_Render_Plugin, Surface_Render_Plugin)
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} // namespace SCHNApps

} // namespace CGoGN