132 lines
3.6 KiB
C++
132 lines
3.6 KiB
C++
#include <osgSim/OverlayNode>
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#include <osg/io_utils>
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#include <osgDB/Registry>
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#include <osgDB/Input>
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#include <osgDB/Output>
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using namespace osg;
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using namespace osgDB;
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using namespace osgSim;
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// forward declare functions to use later.
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bool OverlayNode_readLocalData(Object& obj, Input& fr);
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bool OverlayNode_writeLocalData(const Object& obj, Output& fw);
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// register the read and write functions with the osgDB::Registry.
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RegisterDotOsgWrapperProxy g_OverlayNodeProxy
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(
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new OverlayNode,
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"OverlayNode",
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"Object Node OverlayNode Group",
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&OverlayNode_readLocalData,
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&OverlayNode_writeLocalData
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);
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bool OverlayNode_readLocalData(Object& obj, Input& fr)
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{
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bool iteratorAdvanced = false;
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OverlayNode& es = static_cast<OverlayNode&>(obj);
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if (fr.matchSequence("technique"))
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{
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if (fr[1].matchWord("OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY"))
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{
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es.setOverlayTechnique(OverlayNode::OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY);
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iteratorAdvanced = true;
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fr+=2;
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}
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else if (fr[1].matchWord("VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY"))
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{
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es.setOverlayTechnique(OverlayNode::VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY);
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iteratorAdvanced = true;
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fr+=2;
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}
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else if (fr[1].matchWord("VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY"))
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{
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es.setOverlayTechnique(OverlayNode::VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY);
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iteratorAdvanced = true;
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fr+=2;
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}
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}
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osg::Vec4 vec4(0.0f,0.0f,0.0f,1.0f);
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if (fr[0].matchWord("clear_color") &&
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fr[1].getFloat(vec4[0]) &&
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fr[2].getFloat(vec4[1]) &&
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fr[3].getFloat(vec4[2]) &&
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fr[4].getFloat(vec4[3]))
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{
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es.setOverlayClearColor(vec4);
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fr+=5;
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iteratorAdvanced = true;
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}
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if (fr[0].matchWord("texture_size_hint"))
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{
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if (fr[1].isUInt())
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{
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unsigned int value=0;
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fr[1].getUInt(value);
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es.setOverlayTextureSizeHint(value);
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iteratorAdvanced = true;
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fr+=2;
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}
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}
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if (fr[0].matchWord("texture_unit"))
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{
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if (fr[1].isUInt())
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{
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unsigned int value=0;
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fr[1].getUInt(value);
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es.setOverlayTextureUnit(value);
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iteratorAdvanced = true;
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fr+=2;
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}
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}
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if (fr[0].matchWord("subgraph"))
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{
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fr+=1;
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es.setOverlaySubgraph(fr.readNode());
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iteratorAdvanced = true;
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}
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return iteratorAdvanced;
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}
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bool OverlayNode_writeLocalData(const Object& obj, Output& fw)
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{
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const OverlayNode& es = static_cast<const OverlayNode&>(obj);
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fw.indent() << "technique ";
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if (es.getOverlayTechnique() == OverlayNode::OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY)
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{
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fw<<"OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY"<< std::endl;
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}
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else if (es.getOverlayTechnique() == OverlayNode::VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY)
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{
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fw<<"VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY"<< std::endl;
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}
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else if (es.getOverlayTechnique() == OverlayNode::VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY)
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{
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fw<<"VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY"<< std::endl;
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}
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else
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{
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fw<<"UNKNOWN"<< std::endl;
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}
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fw.indent() << "clear_color "<<es.getOverlayClearColor()<< std::endl;
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fw.indent() << "texture_size_hint " << es.getOverlayTextureSizeHint() << std::endl;
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fw.indent() << "texture_unit " << es.getOverlayTextureUnit() << std::endl;
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fw.indent() << "subgraph " ;
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fw.writeObject(*es.getOverlaySubgraph());
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return true;
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}
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