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2941 lines
139 KiB
C++
2941 lines
139 KiB
C++
#include "nifloader.hpp"
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#include <mutex>
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#include <string_view>
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#include <osg/Array>
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#include <osg/Geometry>
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#include <osg/LOD>
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#include <osg/Matrixf>
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#include <osg/Sequence>
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#include <osg/Switch>
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#include <osg/TexGen>
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#include <osg/TexMat>
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#include <osg/ValueObject>
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// resource
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#include <components/debug/debuglog.hpp>
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#include <components/misc/constants.hpp>
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#include <components/misc/osguservalues.hpp>
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#include <components/misc/resourcehelpers.hpp>
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#include <components/misc/strings/algorithm.hpp>
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#include <components/misc/strings/lower.hpp>
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#include <components/nif/parent.hpp>
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#include <components/resource/bgsmfilemanager.hpp>
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#include <components/resource/imagemanager.hpp>
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// particle
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#include <osgParticle/BoxPlacer>
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#include <osgParticle/ConstantRateCounter>
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#include <osgParticle/ModularProgram>
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#include <osgParticle/ParticleSystem>
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#include <osgParticle/ParticleSystemUpdater>
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#include <osg/AlphaFunc>
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#include <osg/BlendFunc>
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#include <osg/Depth>
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#include <osg/FrontFace>
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#include <osg/Material>
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#include <osg/PolygonMode>
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#include <osg/PolygonOffset>
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#include <osg/Stencil>
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#include <osg/TexEnv>
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#include <osg/TexEnvCombine>
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#include <osg/Texture2D>
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#include <components/bgsm/file.hpp>
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#include <components/nif/effect.hpp>
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#include <components/nif/exception.hpp>
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#include <components/nif/extra.hpp>
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#include <components/nif/niffile.hpp>
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#include <components/nif/node.hpp>
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#include <components/nif/particle.hpp>
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#include <components/nif/property.hpp>
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#include <components/nif/texture.hpp>
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#include <components/sceneutil/depth.hpp>
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#include <components/sceneutil/extradata.hpp>
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#include <components/sceneutil/morphgeometry.hpp>
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#include <components/sceneutil/riggeometry.hpp>
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#include <components/sceneutil/skeleton.hpp>
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#include "fog.hpp"
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#include "matrixtransform.hpp"
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#include "particle.hpp"
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namespace
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{
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struct DisableOptimizer : osg::NodeVisitor
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{
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DisableOptimizer(osg::NodeVisitor::TraversalMode mode = TRAVERSE_ALL_CHILDREN)
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: osg::NodeVisitor(mode)
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{
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}
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void apply(osg::Node& node) override
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{
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node.setDataVariance(osg::Object::DYNAMIC);
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traverse(node);
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}
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void apply(osg::Drawable& node) override { traverse(node); }
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};
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void getAllNiNodes(const Nif::NiAVObject* node, std::vector<int>& outIndices)
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{
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if (const Nif::NiNode* ninode = dynamic_cast<const Nif::NiNode*>(node))
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{
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outIndices.push_back(ninode->recIndex);
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for (const auto& child : ninode->mChildren)
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if (!child.empty())
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getAllNiNodes(child.getPtr(), outIndices);
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}
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}
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bool isTypeNiGeometry(int type)
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{
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switch (type)
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{
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case Nif::RC_NiTriShape:
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case Nif::RC_NiTriStrips:
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case Nif::RC_NiLines:
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case Nif::RC_BSLODTriShape:
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case Nif::RC_BSSegmentedTriShape:
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return true;
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}
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return false;
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}
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bool isTypeBSGeometry(int type)
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{
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switch (type)
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{
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case Nif::RC_BSTriShape:
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case Nif::RC_BSDynamicTriShape:
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case Nif::RC_BSMeshLODTriShape:
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case Nif::RC_BSSubIndexTriShape:
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return true;
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}
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return false;
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}
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// Collect all properties affecting the given drawable that should be handled on drawable basis rather than on the
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// node hierarchy above it.
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void collectDrawableProperties(
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const Nif::NiAVObject* nifNode, const Nif::Parent* parent, std::vector<const Nif::NiProperty*>& out)
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{
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if (parent != nullptr)
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collectDrawableProperties(&parent->mNiNode, parent->mParent, out);
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for (const auto& property : nifNode->mProperties)
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{
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if (!property.empty())
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{
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switch (property->recType)
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{
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case Nif::RC_NiMaterialProperty:
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case Nif::RC_NiVertexColorProperty:
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case Nif::RC_NiSpecularProperty:
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case Nif::RC_NiAlphaProperty:
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out.push_back(property.getPtr());
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break;
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default:
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break;
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}
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}
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}
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}
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// NodeCallback used to have a node always oriented towards the camera. The node can have translation and scale
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// set just like a regular MatrixTransform, but the rotation set will be overridden in order to face the camera.
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class BillboardCallback : public SceneUtil::NodeCallback<BillboardCallback, osg::Node*, osgUtil::CullVisitor*>
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{
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public:
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BillboardCallback() {}
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BillboardCallback(const BillboardCallback& copy, const osg::CopyOp& copyop)
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: SceneUtil::NodeCallback<BillboardCallback, osg::Node*, osgUtil::CullVisitor*>(copy, copyop)
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{
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}
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META_Object(NifOsg, BillboardCallback)
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void operator()(osg::Node* node, osgUtil::CullVisitor* cv)
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{
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osg::Matrix modelView = *cv->getModelViewMatrix();
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// attempt to preserve scale
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float mag[3];
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for (int i = 0; i < 3; ++i)
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{
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mag[i] = std::sqrt(modelView(0, i) * modelView(0, i) + modelView(1, i) * modelView(1, i)
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+ modelView(2, i) * modelView(2, i));
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}
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modelView.setRotate(osg::Quat());
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modelView(0, 0) = mag[0];
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modelView(1, 1) = mag[1];
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modelView(2, 2) = mag[2];
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cv->pushModelViewMatrix(new osg::RefMatrix(modelView), osg::Transform::RELATIVE_RF);
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traverse(node, cv);
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cv->popModelViewMatrix();
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}
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};
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void extractTextKeys(const Nif::NiTextKeyExtraData* tk, SceneUtil::TextKeyMap& textkeys)
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{
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for (const Nif::NiTextKeyExtraData::TextKey& key : tk->mList)
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{
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std::vector<std::string> results;
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Misc::StringUtils::split(key.mText, results, "\r\n");
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for (std::string& result : results)
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{
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Misc::StringUtils::trim(result);
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Misc::StringUtils::lowerCaseInPlace(result);
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if (!result.empty())
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textkeys.emplace(key.mTime, std::move(result));
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}
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}
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}
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}
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namespace NifOsg
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{
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bool Loader::sShowMarkers = false;
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void Loader::setShowMarkers(bool show)
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{
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sShowMarkers = show;
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}
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bool Loader::getShowMarkers()
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{
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return sShowMarkers;
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}
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unsigned int Loader::sHiddenNodeMask = 0;
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void Loader::setHiddenNodeMask(unsigned int mask)
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{
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sHiddenNodeMask = mask;
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}
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unsigned int Loader::getHiddenNodeMask()
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{
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return sHiddenNodeMask;
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}
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unsigned int Loader::sIntersectionDisabledNodeMask = ~0u;
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void Loader::setIntersectionDisabledNodeMask(unsigned int mask)
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{
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sIntersectionDisabledNodeMask = mask;
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}
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unsigned int Loader::getIntersectionDisabledNodeMask()
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{
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return sIntersectionDisabledNodeMask;
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}
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class LoaderImpl
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{
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public:
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/// @param filename used for warning messages.
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LoaderImpl(const std::filesystem::path& filename, unsigned int ver, unsigned int userver, unsigned int bethver)
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: mFilename(filename)
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, mVersion(ver)
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, mUserVersion(userver)
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, mBethVersion(bethver)
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{
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}
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std::filesystem::path mFilename;
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unsigned int mVersion, mUserVersion, mBethVersion;
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Resource::BgsmFileManager* mMaterialManager{ nullptr };
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Resource::ImageManager* mImageManager{ nullptr };
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size_t mFirstRootTextureIndex{ ~0u };
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bool mFoundFirstRootTexturingProperty = false;
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bool mHasNightDayLabel = false;
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bool mHasHerbalismLabel = false;
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bool mHasStencilProperty = false;
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const Nif::NiSortAdjustNode* mPushedSorter = nullptr;
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const Nif::NiSortAdjustNode* mLastAppliedNoInheritSorter = nullptr;
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// This is used to queue emitters that weren't attached to their node yet.
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std::vector<std::pair<size_t, osg::ref_ptr<Emitter>>> mEmitterQueue;
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void loadKf(Nif::FileView nif, SceneUtil::KeyframeHolder& target) const
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{
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const Nif::NiSequenceStreamHelper* seq = nullptr;
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const size_t numRoots = nif.numRoots();
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for (size_t i = 0; i < numRoots; ++i)
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{
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const Nif::Record* r = nif.getRoot(i);
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if (r && r->recType == Nif::RC_NiSequenceStreamHelper)
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{
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seq = static_cast<const Nif::NiSequenceStreamHelper*>(r);
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break;
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}
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}
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if (!seq)
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{
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Log(Debug::Warning) << "NIFFile Warning: Found no NiSequenceStreamHelper root record. File: "
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<< nif.getFilename();
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return;
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}
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Nif::ExtraList extraList = seq->getExtraList();
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if (extraList.empty())
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{
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Log(Debug::Warning) << "NIFFile Warning: NiSequenceStreamHelper has no text keys. File: "
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<< nif.getFilename();
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return;
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}
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if (extraList[0]->recType != Nif::RC_NiTextKeyExtraData)
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{
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Log(Debug::Warning) << "NIFFile Warning: First extra data was not a NiTextKeyExtraData, but a "
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<< std::string_view(extraList[0]->recName) << ". File: " << nif.getFilename();
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return;
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}
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auto textKeyExtraData = static_cast<const Nif::NiTextKeyExtraData*>(extraList[0].getPtr());
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extractTextKeys(textKeyExtraData, target.mTextKeys);
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Nif::NiTimeControllerPtr ctrl = seq->mController;
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for (size_t i = 1; i < extraList.size() && !ctrl.empty(); i++, (ctrl = ctrl->mNext))
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{
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Nif::ExtraPtr extra = extraList[i];
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if (extra->recType != Nif::RC_NiStringExtraData || ctrl->recType != Nif::RC_NiKeyframeController)
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{
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Log(Debug::Warning) << "NIFFile Warning: Unexpected extra data " << extra->recName
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<< " with controller " << ctrl->recName << ". File: " << nif.getFilename();
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continue;
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}
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// Vanilla seems to ignore the "active" flag for NiKeyframeController,
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// so we don't want to skip inactive controllers here.
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const Nif::NiStringExtraData* strdata = static_cast<const Nif::NiStringExtraData*>(extra.getPtr());
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const Nif::NiKeyframeController* key = static_cast<const Nif::NiKeyframeController*>(ctrl.getPtr());
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if (key->mData.empty() && key->mInterpolator.empty())
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continue;
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if (!key->mInterpolator.empty() && key->mInterpolator->recType != Nif::RC_NiTransformInterpolator)
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{
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Log(Debug::Error) << "Unsupported interpolator type for NiKeyframeController " << key->recIndex
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<< " in " << mFilename;
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continue;
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}
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osg::ref_ptr<SceneUtil::KeyframeController> callback = new NifOsg::KeyframeController(key);
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setupController(key, callback, /*animflags*/ 0);
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if (!target.mKeyframeControllers.emplace(strdata->mData, callback).second)
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Log(Debug::Verbose) << "Controller " << strdata->mData << " present more than once in "
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<< nif.getFilename() << ", ignoring later version";
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}
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}
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struct HandleNodeArgs
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{
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unsigned int mNifVersion;
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SceneUtil::TextKeyMap* mTextKeys;
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std::vector<unsigned int> mBoundTextures = {};
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int mAnimFlags = 0;
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bool mSkipMeshes = false;
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bool mHasMarkers = false;
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bool mHasAnimatedParents = false;
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osg::Node* mRootNode = nullptr;
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};
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osg::ref_ptr<osg::Node> load(Nif::FileView nif)
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{
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const size_t numRoots = nif.numRoots();
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std::vector<const Nif::NiAVObject*> roots;
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for (size_t i = 0; i < numRoots; ++i)
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{
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const Nif::Record* r = nif.getRoot(i);
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if (!r)
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continue;
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const Nif::NiAVObject* nifNode = dynamic_cast<const Nif::NiAVObject*>(r);
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if (nifNode)
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roots.emplace_back(nifNode);
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}
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if (roots.empty())
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throw Nif::Exception("Found no root nodes", nif.getFilename());
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osg::ref_ptr<SceneUtil::TextKeyMapHolder> textkeys(new SceneUtil::TextKeyMapHolder);
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osg::ref_ptr<osg::Group> created(new osg::Group);
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created->setDataVariance(osg::Object::STATIC);
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for (const Nif::NiAVObject* root : roots)
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{
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auto node = handleNode(
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root, nullptr, nullptr, { .mNifVersion = nif.getVersion(), .mTextKeys = &textkeys->mTextKeys });
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created->addChild(node);
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}
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if (mHasNightDayLabel)
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created->getOrCreateUserDataContainer()->addDescription(Constants::NightDayLabel);
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if (mHasHerbalismLabel)
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created->getOrCreateUserDataContainer()->addDescription(Constants::HerbalismLabel);
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// Attach particle emitters to their nodes which should all be loaded by now.
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handleQueuedParticleEmitters(created, nif);
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if (nif.getUseSkinning())
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{
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osg::ref_ptr<SceneUtil::Skeleton> skel = new SceneUtil::Skeleton;
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skel->setStateSet(created->getStateSet());
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skel->setName(created->getName());
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for (unsigned int i = 0; i < created->getNumChildren(); ++i)
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skel->addChild(created->getChild(i));
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created->removeChildren(0, created->getNumChildren());
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created = skel;
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}
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if (!textkeys->mTextKeys.empty())
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created->getOrCreateUserDataContainer()->addUserObject(textkeys);
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created->setUserValue(Misc::OsgUserValues::sFileHash, nif.getHash());
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return created;
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}
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void applyNodeProperties(const Nif::NiAVObject* nifNode, osg::Node* applyTo,
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SceneUtil::CompositeStateSetUpdater* composite, std::vector<unsigned int>& boundTextures, int animflags)
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{
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bool hasStencilProperty = false;
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for (const auto& property : nifNode->mProperties)
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{
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if (property.empty())
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continue;
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if (property.getPtr()->recType == Nif::RC_NiStencilProperty)
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{
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const Nif::NiStencilProperty* stencilprop
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= static_cast<const Nif::NiStencilProperty*>(property.getPtr());
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if (stencilprop->mEnabled)
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{
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hasStencilProperty = true;
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break;
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}
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}
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}
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for (const auto& property : nifNode->mProperties)
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{
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if (!property.empty())
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{
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// Get the lowest numbered recIndex of the NiTexturingProperty root node.
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// This is what is overridden when a spell effect "particle texture" is used.
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if (nifNode->mParents.empty() && !mFoundFirstRootTexturingProperty
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&& property.getPtr()->recType == Nif::RC_NiTexturingProperty)
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{
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mFirstRootTextureIndex = property.getPtr()->recIndex;
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mFoundFirstRootTexturingProperty = true;
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}
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else if (property.getPtr()->recType == Nif::RC_NiTexturingProperty)
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{
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if (property.getPtr()->recIndex == mFirstRootTextureIndex)
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applyTo->setUserValue("overrideFx", 1);
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}
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handleProperty(property.getPtr(), applyTo, composite, boundTextures, animflags, hasStencilProperty);
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}
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}
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// NiAlphaProperty is handled as a drawable property
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Nif::BSShaderPropertyPtr shaderprop = nullptr;
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if (isTypeNiGeometry(nifNode->recType))
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shaderprop = static_cast<const Nif::NiGeometry*>(nifNode)->mShaderProperty;
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else if (isTypeBSGeometry(nifNode->recType))
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shaderprop = static_cast<const Nif::BSTriShape*>(nifNode)->mShaderProperty;
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if (!shaderprop.empty())
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handleProperty(shaderprop.getPtr(), applyTo, composite, boundTextures, animflags, hasStencilProperty);
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}
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static void setupController(const Nif::NiTimeController* ctrl, SceneUtil::Controller* toSetup, int animflags)
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{
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bool autoPlay = animflags & Nif::NiNode::AnimFlag_AutoPlay;
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if (autoPlay)
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toSetup->setSource(std::make_shared<SceneUtil::FrameTimeSource>());
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toSetup->setFunction(std::make_shared<ControllerFunction>(ctrl));
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}
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static osg::ref_ptr<osg::LOD> handleLodNode(const Nif::NiLODNode* niLodNode)
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{
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osg::ref_ptr<osg::LOD> lod(new osg::LOD);
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lod->setName(niLodNode->mName);
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lod->setCenterMode(osg::LOD::USER_DEFINED_CENTER);
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lod->setCenter(niLodNode->mLODCenter);
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for (unsigned int i = 0; i < niLodNode->mLODLevels.size(); ++i)
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{
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const Nif::NiLODNode::LODRange& range = niLodNode->mLODLevels[i];
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lod->setRange(i, range.mMinRange, range.mMaxRange);
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}
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lod->setRangeMode(osg::LOD::DISTANCE_FROM_EYE_POINT);
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return lod;
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}
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static osg::ref_ptr<osg::Switch> handleSwitchNode(const Nif::NiSwitchNode* niSwitchNode)
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{
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osg::ref_ptr<osg::Switch> switchNode(new osg::Switch);
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switchNode->setName(niSwitchNode->mName);
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switchNode->setNewChildDefaultValue(false);
|
|
switchNode->setSingleChildOn(niSwitchNode->mInitialIndex);
|
|
return switchNode;
|
|
}
|
|
|
|
static osg::ref_ptr<osg::Sequence> prepareSequenceNode(const Nif::NiAVObject* nifNode)
|
|
{
|
|
const Nif::NiFltAnimationNode* niFltAnimationNode = static_cast<const Nif::NiFltAnimationNode*>(nifNode);
|
|
osg::ref_ptr<osg::Sequence> sequenceNode(new osg::Sequence);
|
|
sequenceNode->setName(niFltAnimationNode->mName);
|
|
if (!niFltAnimationNode->mChildren.empty())
|
|
{
|
|
if (niFltAnimationNode->swing())
|
|
sequenceNode->setDefaultTime(
|
|
niFltAnimationNode->mDuration / (niFltAnimationNode->mChildren.size() * 2));
|
|
else
|
|
sequenceNode->setDefaultTime(niFltAnimationNode->mDuration / niFltAnimationNode->mChildren.size());
|
|
}
|
|
return sequenceNode;
|
|
}
|
|
|
|
static void activateSequenceNode(osg::Group* osgNode, const Nif::NiAVObject* nifNode)
|
|
{
|
|
const Nif::NiFltAnimationNode* niFltAnimationNode = static_cast<const Nif::NiFltAnimationNode*>(nifNode);
|
|
osg::Sequence* sequenceNode = static_cast<osg::Sequence*>(osgNode);
|
|
if (niFltAnimationNode->swing())
|
|
sequenceNode->setInterval(osg::Sequence::SWING, 0, -1);
|
|
else
|
|
sequenceNode->setInterval(osg::Sequence::LOOP, 0, -1);
|
|
sequenceNode->setDuration(1.0f, -1);
|
|
sequenceNode->setMode(osg::Sequence::START);
|
|
}
|
|
|
|
osg::ref_ptr<osg::Image> handleSourceTexture(const Nif::NiSourceTexture* st) const
|
|
{
|
|
if (st)
|
|
{
|
|
if (st->mExternal)
|
|
return getTextureImage(st->mFile);
|
|
|
|
if (!st->mData.empty())
|
|
return handleInternalTexture(st->mData.getPtr());
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool handleEffect(const Nif::NiAVObject* nifNode, osg::StateSet* stateset)
|
|
{
|
|
if (nifNode->recType != Nif::RC_NiTextureEffect)
|
|
{
|
|
Log(Debug::Info) << "Unhandled effect " << nifNode->recName << " in " << mFilename;
|
|
return false;
|
|
}
|
|
|
|
const Nif::NiTextureEffect* textureEffect = static_cast<const Nif::NiTextureEffect*>(nifNode);
|
|
if (!textureEffect->mSwitchState)
|
|
return false;
|
|
|
|
if (textureEffect->mTextureType != Nif::NiTextureEffect::TextureType::EnvironmentMap)
|
|
{
|
|
Log(Debug::Info) << "Unhandled NiTextureEffect type "
|
|
<< static_cast<uint32_t>(textureEffect->mTextureType) << " in " << mFilename;
|
|
return false;
|
|
}
|
|
|
|
if (textureEffect->mTexture.empty())
|
|
{
|
|
Log(Debug::Info) << "NiTextureEffect missing source texture in " << mFilename;
|
|
return false;
|
|
}
|
|
|
|
osg::ref_ptr<osg::TexGen> texGen(new osg::TexGen);
|
|
switch (textureEffect->mCoordGenType)
|
|
{
|
|
case Nif::NiTextureEffect::CoordGenType::WorldParallel:
|
|
texGen->setMode(osg::TexGen::OBJECT_LINEAR);
|
|
break;
|
|
case Nif::NiTextureEffect::CoordGenType::WorldPerspective:
|
|
texGen->setMode(osg::TexGen::EYE_LINEAR);
|
|
break;
|
|
case Nif::NiTextureEffect::CoordGenType::SphereMap:
|
|
texGen->setMode(osg::TexGen::SPHERE_MAP);
|
|
break;
|
|
default:
|
|
Log(Debug::Info) << "Unhandled NiTextureEffect CoordGenType "
|
|
<< static_cast<uint32_t>(textureEffect->mCoordGenType) << " in " << mFilename;
|
|
return false;
|
|
}
|
|
|
|
const unsigned int uvSet = 0;
|
|
const unsigned int texUnit = 3; // FIXME
|
|
std::vector<unsigned int> boundTextures;
|
|
boundTextures.resize(3); // Dummy vector for attachNiSourceTexture
|
|
attachNiSourceTexture("envMap", textureEffect->mTexture.getPtr(), textureEffect->wrapS(),
|
|
textureEffect->wrapT(), uvSet, stateset, boundTextures);
|
|
stateset->setTextureAttributeAndModes(texUnit, texGen, osg::StateAttribute::ON);
|
|
stateset->setTextureAttributeAndModes(texUnit, createEmissiveTexEnv(), osg::StateAttribute::ON);
|
|
|
|
stateset->addUniform(new osg::Uniform("envMapColor", osg::Vec4f(1, 1, 1, 1)));
|
|
return true;
|
|
}
|
|
|
|
// Get a default dataVariance for this node to be used as a hint by optimization (post)routines
|
|
osg::ref_ptr<osg::Group> createNode(const Nif::NiAVObject* nifNode)
|
|
{
|
|
osg::ref_ptr<osg::Group> node;
|
|
osg::Object::DataVariance dataVariance = osg::Object::UNSPECIFIED;
|
|
|
|
switch (nifNode->recType)
|
|
{
|
|
case Nif::RC_NiBillboardNode:
|
|
dataVariance = osg::Object::DYNAMIC;
|
|
break;
|
|
default:
|
|
// The Root node can be created as a Group if no transformation is required.
|
|
// This takes advantage of the fact root nodes can't have additional controllers
|
|
// loaded from an external .kf file (original engine just throws "can't find node" errors if you
|
|
// try).
|
|
if (nifNode->mParents.empty() && nifNode->mController.empty() && nifNode->mTransform.isIdentity())
|
|
node = new osg::Group;
|
|
|
|
dataVariance = nifNode->mIsBone ? osg::Object::DYNAMIC : osg::Object::STATIC;
|
|
|
|
break;
|
|
}
|
|
if (!node)
|
|
node = new NifOsg::MatrixTransform(nifNode->mTransform);
|
|
|
|
node->setDataVariance(dataVariance);
|
|
|
|
return node;
|
|
}
|
|
|
|
osg::ref_ptr<osg::Node> handleNode(
|
|
const Nif::NiAVObject* nifNode, const Nif::Parent* parent, osg::Group* parentNode, HandleNodeArgs args)
|
|
{
|
|
if (args.mRootNode && Misc::StringUtils::ciEqual(nifNode->mName, "Bounding Box"))
|
|
return nullptr;
|
|
|
|
osg::ref_ptr<osg::Group> node = createNode(nifNode);
|
|
|
|
if (nifNode->recType == Nif::RC_NiBillboardNode)
|
|
{
|
|
node->addCullCallback(new BillboardCallback);
|
|
}
|
|
|
|
node->setName(nifNode->mName);
|
|
|
|
if (parentNode)
|
|
parentNode->addChild(node);
|
|
|
|
if (!args.mRootNode)
|
|
args.mRootNode = node;
|
|
|
|
// The original NIF record index is used for a variety of features:
|
|
// - finding the correct emitter node for a particle system
|
|
// - establishing connections to the animated collision shapes, which are handled in a separate loader
|
|
// - finding a random child NiNode in NiBspArrayController
|
|
node->setUserValue("recIndex", nifNode->recIndex);
|
|
|
|
for (const auto& e : nifNode->getExtraList())
|
|
{
|
|
if (e->recType == Nif::RC_NiTextKeyExtraData && args.mTextKeys)
|
|
{
|
|
const Nif::NiTextKeyExtraData* tk = static_cast<const Nif::NiTextKeyExtraData*>(e.getPtr());
|
|
extractTextKeys(tk, *args.mTextKeys);
|
|
}
|
|
else if (e->recType == Nif::RC_NiStringExtraData)
|
|
{
|
|
const Nif::NiStringExtraData* sd = static_cast<const Nif::NiStringExtraData*>(e.getPtr());
|
|
|
|
constexpr std::string_view extraDataIdentifer = "omw:data";
|
|
|
|
// String markers may contain important information
|
|
// affecting the entire subtree of this obj
|
|
if (sd->mData == "MRK")
|
|
{
|
|
// Marker objects. These meshes are only visible in the editor.
|
|
if (!Loader::getShowMarkers() && args.mRootNode == node)
|
|
args.mHasMarkers = true;
|
|
}
|
|
else if (sd->mData == "BONE")
|
|
{
|
|
node->getOrCreateUserDataContainer()->addDescription("CustomBone");
|
|
}
|
|
else if (sd->mData.rfind(extraDataIdentifer, 0) == 0)
|
|
{
|
|
node->setUserValue(
|
|
Misc::OsgUserValues::sExtraData, sd->mData.substr(extraDataIdentifer.length()));
|
|
}
|
|
}
|
|
else if (e->recType == Nif::RC_BSXFlags)
|
|
{
|
|
if (args.mRootNode != node)
|
|
continue;
|
|
|
|
auto bsxFlags = static_cast<const Nif::NiIntegerExtraData*>(e.getPtr());
|
|
// Marker objects.
|
|
if (!Loader::getShowMarkers() && (bsxFlags->mData & 32))
|
|
args.mHasMarkers = true;
|
|
}
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiBSAnimationNode || nifNode->recType == Nif::RC_NiBSParticleNode)
|
|
args.mAnimFlags = nifNode->mFlags;
|
|
|
|
if (nifNode->recType == Nif::RC_NiSortAdjustNode)
|
|
{
|
|
auto sortNode = static_cast<const Nif::NiSortAdjustNode*>(nifNode);
|
|
|
|
if (sortNode->mSubSorter.empty())
|
|
{
|
|
Log(Debug::Warning) << "Empty accumulator found in '" << nifNode->recName << "' node "
|
|
<< nifNode->recIndex;
|
|
}
|
|
else
|
|
{
|
|
if (mPushedSorter && !mPushedSorter->mSubSorter.empty()
|
|
&& mPushedSorter->mMode != Nif::NiSortAdjustNode::SortingMode::Inherit)
|
|
mLastAppliedNoInheritSorter = mPushedSorter;
|
|
mPushedSorter = sortNode;
|
|
}
|
|
}
|
|
|
|
// Hide collision shapes, but don't skip the subgraph
|
|
// We still need to animate the hidden bones so the physics system can access them
|
|
if (nifNode->recType == Nif::RC_RootCollisionNode)
|
|
{
|
|
args.mSkipMeshes = true;
|
|
node->setNodeMask(Loader::getHiddenNodeMask());
|
|
}
|
|
|
|
// We can skip creating meshes for hidden nodes if they don't have a VisController that
|
|
// might make them visible later
|
|
if (nifNode->isHidden())
|
|
{
|
|
bool hasVisController = false;
|
|
for (Nif::NiTimeControllerPtr ctrl = nifNode->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
hasVisController |= (ctrl->recType == Nif::RC_NiVisController);
|
|
if (hasVisController)
|
|
break;
|
|
}
|
|
|
|
if (!hasVisController)
|
|
args.mSkipMeshes = true; // skip child meshes, but still create the child node hierarchy for
|
|
// animating collision shapes
|
|
|
|
node->setNodeMask(Loader::getHiddenNodeMask());
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiCollisionSwitch && !nifNode->collisionActive())
|
|
node->setNodeMask(Loader::getIntersectionDisabledNodeMask());
|
|
|
|
osg::ref_ptr<SceneUtil::CompositeStateSetUpdater> composite = new SceneUtil::CompositeStateSetUpdater;
|
|
|
|
applyNodeProperties(nifNode, node, composite, args.mBoundTextures, args.mAnimFlags);
|
|
|
|
const bool isNiGeometry = isTypeNiGeometry(nifNode->recType);
|
|
const bool isBSGeometry = isTypeBSGeometry(nifNode->recType);
|
|
const bool isGeometry = isNiGeometry || isBSGeometry;
|
|
|
|
if (isGeometry && !args.mSkipMeshes)
|
|
{
|
|
bool skip = false;
|
|
if (args.mNifVersion <= Nif::NIFFile::NIFVersion::VER_MW)
|
|
{
|
|
skip = (args.mHasMarkers && Misc::StringUtils::ciStartsWith(nifNode->mName, "tri editormarker"))
|
|
|| Misc::StringUtils::ciStartsWith(nifNode->mName, "shadow")
|
|
|| Misc::StringUtils::ciStartsWith(nifNode->mName, "tri shadow");
|
|
}
|
|
else
|
|
{
|
|
if (args.mHasMarkers)
|
|
skip = Misc::StringUtils::ciStartsWith(nifNode->mName, "EditorMarker")
|
|
|| Misc::StringUtils::ciStartsWith(nifNode->mName, "VisibilityEditorMarker");
|
|
}
|
|
if (!skip)
|
|
{
|
|
if (isNiGeometry)
|
|
handleNiGeometry(nifNode, parent, node, composite, args.mBoundTextures, args.mAnimFlags);
|
|
else // isBSGeometry
|
|
handleBSGeometry(nifNode, parent, node, composite, args.mBoundTextures, args.mAnimFlags);
|
|
|
|
if (!nifNode->mController.empty())
|
|
handleMeshControllers(nifNode, node, composite, args.mBoundTextures, args.mAnimFlags);
|
|
}
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiParticles)
|
|
handleParticleSystem(nifNode, parent, node, composite, args.mAnimFlags);
|
|
|
|
if (composite->getNumControllers() > 0)
|
|
{
|
|
osg::Callback* cb = composite;
|
|
if (composite->getNumControllers() == 1)
|
|
cb = composite->getController(0);
|
|
if (args.mAnimFlags & Nif::NiNode::AnimFlag_AutoPlay)
|
|
node->addCullCallback(cb);
|
|
else
|
|
node->addUpdateCallback(
|
|
cb); // have to remain as UpdateCallback so AssignControllerSourcesVisitor can find it.
|
|
}
|
|
|
|
bool isAnimated = false;
|
|
handleNodeControllers(nifNode, node, args.mAnimFlags, isAnimated);
|
|
args.mHasAnimatedParents |= isAnimated;
|
|
// Make sure empty nodes and animated shapes are not optimized away so the physics system can find them.
|
|
if (isAnimated || (args.mHasAnimatedParents && ((args.mSkipMeshes || args.mHasMarkers) || isGeometry)))
|
|
node->setDataVariance(osg::Object::DYNAMIC);
|
|
|
|
// LOD and Switch nodes must be wrapped by a transform (the current node) to support transformations
|
|
// properly and we need to attach their children to the osg::LOD/osg::Switch nodes but we must return that
|
|
// transform to the caller of handleNode instead of the actual LOD/Switch nodes.
|
|
osg::ref_ptr<osg::Group> currentNode = node;
|
|
|
|
if (nifNode->recType == Nif::RC_NiSwitchNode)
|
|
{
|
|
const Nif::NiSwitchNode* niSwitchNode = static_cast<const Nif::NiSwitchNode*>(nifNode);
|
|
osg::ref_ptr<osg::Switch> switchNode = handleSwitchNode(niSwitchNode);
|
|
node->addChild(switchNode);
|
|
if (niSwitchNode->mName == Constants::NightDayLabel)
|
|
mHasNightDayLabel = true;
|
|
else if (niSwitchNode->mName == Constants::HerbalismLabel)
|
|
mHasHerbalismLabel = true;
|
|
|
|
currentNode = switchNode;
|
|
}
|
|
else if (nifNode->recType == Nif::RC_NiLODNode)
|
|
{
|
|
const Nif::NiLODNode* niLodNode = static_cast<const Nif::NiLODNode*>(nifNode);
|
|
osg::ref_ptr<osg::LOD> lodNode = handleLodNode(niLodNode);
|
|
node->addChild(lodNode);
|
|
currentNode = lodNode;
|
|
}
|
|
else if (nifNode->recType == Nif::RC_NiFltAnimationNode)
|
|
{
|
|
osg::ref_ptr<osg::Sequence> sequenceNode = prepareSequenceNode(nifNode);
|
|
node->addChild(sequenceNode);
|
|
currentNode = sequenceNode;
|
|
}
|
|
|
|
const Nif::NiNode* ninode = dynamic_cast<const Nif::NiNode*>(nifNode);
|
|
if (ninode)
|
|
{
|
|
const Nif::NiAVObjectList& children = ninode->mChildren;
|
|
const Nif::Parent currentParent{ *ninode, parent };
|
|
for (const auto& child : children)
|
|
if (!child.empty())
|
|
handleNode(child.getPtr(), ¤tParent, currentNode, args);
|
|
|
|
// Propagate effects to the the direct subgraph instead of the node itself
|
|
// This simulates their "affected node list" which Morrowind appears to replace with the subgraph (?)
|
|
// Note that the serialized affected node list is actually unused
|
|
for (const auto& effect : ninode->mEffects)
|
|
if (!effect.empty())
|
|
{
|
|
osg::ref_ptr<osg::StateSet> effectStateSet = new osg::StateSet;
|
|
if (handleEffect(effect.getPtr(), effectStateSet))
|
|
for (unsigned int i = 0; i < currentNode->getNumChildren(); ++i)
|
|
currentNode->getChild(i)->getOrCreateStateSet()->merge(*effectStateSet);
|
|
}
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiFltAnimationNode)
|
|
activateSequenceNode(currentNode, nifNode);
|
|
|
|
return node;
|
|
}
|
|
|
|
void handleMeshControllers(const Nif::NiAVObject* nifNode, osg::Node* node,
|
|
SceneUtil::CompositeStateSetUpdater* composite, const std::vector<unsigned int>& boundTextures,
|
|
int animflags)
|
|
{
|
|
for (Nif::NiTimeControllerPtr ctrl = nifNode->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiUVController)
|
|
{
|
|
const Nif::NiUVController* niuvctrl = static_cast<const Nif::NiUVController*>(ctrl.getPtr());
|
|
if (niuvctrl->mData.empty())
|
|
continue;
|
|
std::set<unsigned int> texUnits;
|
|
// UVController should only work for textures which use the given UV Set.
|
|
for (unsigned int i = 0; i < boundTextures.size(); ++i)
|
|
{
|
|
if (boundTextures[i] == niuvctrl->mUvSet)
|
|
texUnits.insert(i);
|
|
}
|
|
|
|
osg::ref_ptr<UVController> uvctrl = new UVController(niuvctrl->mData.getPtr(), texUnits);
|
|
setupController(niuvctrl, uvctrl, animflags);
|
|
composite->addController(uvctrl);
|
|
}
|
|
}
|
|
}
|
|
|
|
void handleNodeControllers(const Nif::NiAVObject* nifNode, osg::Node* node, int animflags, bool& isAnimated)
|
|
{
|
|
for (Nif::NiTimeControllerPtr ctrl = nifNode->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiKeyframeController)
|
|
{
|
|
const Nif::NiKeyframeController* key = static_cast<const Nif::NiKeyframeController*>(ctrl.getPtr());
|
|
if (key->mData.empty() && key->mInterpolator.empty())
|
|
continue;
|
|
if (!key->mInterpolator.empty() && key->mInterpolator->recType != Nif::RC_NiTransformInterpolator)
|
|
{
|
|
Log(Debug::Error) << "Unsupported interpolator type for NiKeyframeController " << key->recIndex
|
|
<< " in " << mFilename << ": " << key->mInterpolator->recName;
|
|
continue;
|
|
}
|
|
osg::ref_ptr<KeyframeController> callback = new KeyframeController(key);
|
|
setupController(key, callback, animflags);
|
|
node->addUpdateCallback(callback);
|
|
isAnimated = true;
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiPathController)
|
|
{
|
|
const Nif::NiPathController* path = static_cast<const Nif::NiPathController*>(ctrl.getPtr());
|
|
if (path->mPathData.empty() || path->mPercentData.empty())
|
|
continue;
|
|
osg::ref_ptr<PathController> callback(new PathController(path));
|
|
setupController(path, callback, animflags);
|
|
node->addUpdateCallback(callback);
|
|
isAnimated = true;
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiVisController)
|
|
{
|
|
const Nif::NiVisController* visctrl = static_cast<const Nif::NiVisController*>(ctrl.getPtr());
|
|
if (visctrl->mData.empty() && visctrl->mInterpolator.empty())
|
|
continue;
|
|
if (!visctrl->mInterpolator.empty()
|
|
&& visctrl->mInterpolator->recType != Nif::RC_NiBoolInterpolator)
|
|
{
|
|
Log(Debug::Error) << "Unsupported interpolator type for NiVisController " << visctrl->recIndex
|
|
<< " in " << mFilename << ": " << visctrl->mInterpolator->recName;
|
|
continue;
|
|
}
|
|
osg::ref_ptr<VisController> callback(new VisController(visctrl, Loader::getHiddenNodeMask()));
|
|
setupController(visctrl, callback, animflags);
|
|
node->addUpdateCallback(callback);
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiRollController)
|
|
{
|
|
const Nif::NiRollController* rollctrl = static_cast<const Nif::NiRollController*>(ctrl.getPtr());
|
|
if (rollctrl->mData.empty() && rollctrl->mInterpolator.empty())
|
|
continue;
|
|
if (!rollctrl->mInterpolator.empty()
|
|
&& rollctrl->mInterpolator->recType != Nif::RC_NiFloatInterpolator)
|
|
{
|
|
Log(Debug::Error) << "Unsupported interpolator type for NiRollController " << rollctrl->recIndex
|
|
<< " in " << mFilename << ": " << rollctrl->mInterpolator->recName;
|
|
continue;
|
|
}
|
|
osg::ref_ptr<RollController> callback = new RollController(rollctrl);
|
|
setupController(rollctrl, callback, animflags);
|
|
node->addUpdateCallback(callback);
|
|
isAnimated = true;
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiGeomMorpherController
|
|
|| ctrl->recType == Nif::RC_NiParticleSystemController
|
|
|| ctrl->recType == Nif::RC_NiBSPArrayController || ctrl->recType == Nif::RC_NiUVController)
|
|
{
|
|
// These controllers are handled elsewhere
|
|
}
|
|
else
|
|
Log(Debug::Info) << "Unhandled controller " << ctrl->recName << " on node " << nifNode->recIndex
|
|
<< " in " << mFilename;
|
|
}
|
|
}
|
|
|
|
void handleMaterialControllers(const Nif::NiProperty* materialProperty,
|
|
SceneUtil::CompositeStateSetUpdater* composite, int animflags, const osg::Material* baseMaterial)
|
|
{
|
|
for (Nif::NiTimeControllerPtr ctrl = materialProperty->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiAlphaController)
|
|
{
|
|
const Nif::NiAlphaController* alphactrl = static_cast<const Nif::NiAlphaController*>(ctrl.getPtr());
|
|
if (alphactrl->mData.empty() && alphactrl->mInterpolator.empty())
|
|
continue;
|
|
if (!alphactrl->mInterpolator.empty()
|
|
&& alphactrl->mInterpolator->recType != Nif::RC_NiFloatInterpolator)
|
|
{
|
|
Log(Debug::Error)
|
|
<< "Unsupported interpolator type for NiAlphaController " << alphactrl->recIndex << " in "
|
|
<< mFilename << ": " << alphactrl->mInterpolator->recName;
|
|
continue;
|
|
}
|
|
osg::ref_ptr<AlphaController> osgctrl = new AlphaController(alphactrl, baseMaterial);
|
|
setupController(alphactrl, osgctrl, animflags);
|
|
composite->addController(osgctrl);
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiMaterialColorController)
|
|
{
|
|
const Nif::NiMaterialColorController* matctrl
|
|
= static_cast<const Nif::NiMaterialColorController*>(ctrl.getPtr());
|
|
Nif::NiInterpolatorPtr interp = matctrl->mInterpolator;
|
|
if (matctrl->mData.empty() && interp.empty())
|
|
continue;
|
|
if (mVersion <= Nif::NIFFile::VER_MW
|
|
&& matctrl->mTargetColor == Nif::NiMaterialColorController::TargetColor::Specular)
|
|
continue;
|
|
if (!interp.empty() && interp->recType != Nif::RC_NiPoint3Interpolator)
|
|
{
|
|
Log(Debug::Error) << "Unsupported interpolator type for NiMaterialColorController "
|
|
<< matctrl->recIndex << " in " << mFilename << ": " << interp->recName;
|
|
continue;
|
|
}
|
|
osg::ref_ptr<MaterialColorController> osgctrl = new MaterialColorController(matctrl, baseMaterial);
|
|
setupController(matctrl, osgctrl, animflags);
|
|
composite->addController(osgctrl);
|
|
}
|
|
else
|
|
Log(Debug::Info) << "Unexpected material controller " << ctrl->recType << " in " << mFilename;
|
|
}
|
|
}
|
|
|
|
osg::ref_ptr<osg::Image> getTextureImage(std::string_view path) const
|
|
{
|
|
if (!mImageManager)
|
|
return nullptr;
|
|
|
|
std::string filename = Misc::ResourceHelpers::correctTexturePath(path, mImageManager->getVFS());
|
|
return mImageManager->getImage(filename);
|
|
}
|
|
|
|
osg::ref_ptr<osg::Texture2D> attachTexture(const std::string& name, osg::ref_ptr<osg::Image> image, bool wrapS,
|
|
bool wrapT, unsigned int uvSet, osg::StateSet* stateset, std::vector<unsigned int>& boundTextures) const
|
|
{
|
|
osg::ref_ptr<osg::Texture2D> texture2d = new osg::Texture2D(image);
|
|
if (image)
|
|
texture2d->setTextureSize(image->s(), image->t());
|
|
texture2d->setWrap(osg::Texture::WRAP_S, wrapS ? osg::Texture::REPEAT : osg::Texture::CLAMP_TO_EDGE);
|
|
texture2d->setWrap(osg::Texture::WRAP_T, wrapT ? osg::Texture::REPEAT : osg::Texture::CLAMP_TO_EDGE);
|
|
unsigned int texUnit = boundTextures.size();
|
|
if (stateset)
|
|
stateset->setTextureAttributeAndModes(texUnit, texture2d, osg::StateAttribute::ON);
|
|
texture2d->setName(name);
|
|
boundTextures.emplace_back(uvSet);
|
|
return texture2d;
|
|
}
|
|
|
|
osg::ref_ptr<osg::Texture2D> attachExternalTexture(const std::string& name, const std::string& path, bool wrapS,
|
|
bool wrapT, unsigned int uvSet, osg::StateSet* stateset, std::vector<unsigned int>& boundTextures) const
|
|
{
|
|
return attachTexture(name, getTextureImage(path), wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
}
|
|
|
|
osg::ref_ptr<osg::Texture2D> attachNiSourceTexture(const std::string& name, const Nif::NiSourceTexture* st,
|
|
bool wrapS, bool wrapT, unsigned int uvSet, osg::StateSet* stateset,
|
|
std::vector<unsigned int>& boundTextures) const
|
|
{
|
|
return attachTexture(name, handleSourceTexture(st), wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
}
|
|
|
|
static void clearBoundTextures(osg::StateSet* stateset, std::vector<unsigned int>& boundTextures)
|
|
{
|
|
if (!boundTextures.empty())
|
|
{
|
|
for (unsigned int i = 0; i < boundTextures.size(); ++i)
|
|
stateset->setTextureMode(i, GL_TEXTURE_2D, osg::StateAttribute::OFF);
|
|
boundTextures.clear();
|
|
}
|
|
}
|
|
|
|
void handleTextureControllers(const Nif::NiProperty* texProperty,
|
|
SceneUtil::CompositeStateSetUpdater* composite, osg::StateSet* stateset, int animflags)
|
|
{
|
|
for (Nif::NiTimeControllerPtr ctrl = texProperty->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiFlipController)
|
|
{
|
|
const Nif::NiFlipController* flipctrl = static_cast<const Nif::NiFlipController*>(ctrl.getPtr());
|
|
if (!flipctrl->mInterpolator.empty()
|
|
&& flipctrl->mInterpolator->recType != Nif::RC_NiFloatInterpolator)
|
|
{
|
|
Log(Debug::Error) << "Unsupported interpolator type for NiFlipController " << flipctrl->recIndex
|
|
<< " in " << mFilename << ": " << flipctrl->mInterpolator->recName;
|
|
continue;
|
|
}
|
|
std::vector<osg::ref_ptr<osg::Texture2D>> textures;
|
|
|
|
// inherit wrap settings from the target slot
|
|
osg::Texture2D* inherit
|
|
= dynamic_cast<osg::Texture2D*>(stateset->getTextureAttribute(0, osg::StateAttribute::TEXTURE));
|
|
osg::Texture2D::WrapMode wrapS = osg::Texture2D::REPEAT;
|
|
osg::Texture2D::WrapMode wrapT = osg::Texture2D::REPEAT;
|
|
if (inherit)
|
|
{
|
|
wrapS = inherit->getWrap(osg::Texture2D::WRAP_S);
|
|
wrapT = inherit->getWrap(osg::Texture2D::WRAP_T);
|
|
}
|
|
|
|
const unsigned int uvSet = 0;
|
|
std::vector<unsigned int> boundTextures; // Dummy list for attachTexture
|
|
for (const auto& source : flipctrl->mSources)
|
|
{
|
|
if (source.empty())
|
|
continue;
|
|
|
|
// NB: not changing the stateset
|
|
osg::ref_ptr<osg::Texture2D> texture
|
|
= attachNiSourceTexture({}, source.getPtr(), wrapS, wrapT, uvSet, nullptr, boundTextures);
|
|
textures.push_back(texture);
|
|
}
|
|
osg::ref_ptr<FlipController> callback(new FlipController(flipctrl, textures));
|
|
setupController(ctrl.getPtr(), callback, animflags);
|
|
composite->addController(callback);
|
|
}
|
|
else
|
|
Log(Debug::Info) << "Unexpected texture controller " << ctrl->recName << " in " << mFilename;
|
|
}
|
|
}
|
|
|
|
void handleParticlePrograms(Nif::NiParticleModifierPtr modifier, Nif::NiParticleModifierPtr collider,
|
|
osg::Group* attachTo, osgParticle::ParticleSystem* partsys,
|
|
osgParticle::ParticleProcessor::ReferenceFrame rf)
|
|
{
|
|
osgParticle::ModularProgram* program = new osgParticle::ModularProgram;
|
|
attachTo->addChild(program);
|
|
program->setParticleSystem(partsys);
|
|
program->setReferenceFrame(rf);
|
|
for (; !modifier.empty(); modifier = modifier->mNext)
|
|
{
|
|
if (modifier->recType == Nif::RC_NiParticleGrowFade)
|
|
{
|
|
const Nif::NiParticleGrowFade* gf = static_cast<const Nif::NiParticleGrowFade*>(modifier.getPtr());
|
|
program->addOperator(new GrowFadeAffector(gf->mGrowTime, gf->mFadeTime));
|
|
}
|
|
else if (modifier->recType == Nif::RC_NiGravity)
|
|
{
|
|
const Nif::NiGravity* gr = static_cast<const Nif::NiGravity*>(modifier.getPtr());
|
|
program->addOperator(new GravityAffector(gr));
|
|
}
|
|
else if (modifier->recType == Nif::RC_NiParticleBomb)
|
|
{
|
|
auto bomb = static_cast<const Nif::NiParticleBomb*>(modifier.getPtr());
|
|
osg::ref_ptr<osgParticle::ModularProgram> bombProgram(new osgParticle::ModularProgram);
|
|
attachTo->addChild(bombProgram);
|
|
bombProgram->setParticleSystem(partsys);
|
|
bombProgram->setReferenceFrame(rf);
|
|
bombProgram->setStartTime(bomb->mStartTime);
|
|
bombProgram->setLifeTime(bomb->mDuration);
|
|
bombProgram->setEndless(false);
|
|
bombProgram->addOperator(new ParticleBomb(bomb));
|
|
}
|
|
else if (modifier->recType == Nif::RC_NiParticleColorModifier)
|
|
{
|
|
const Nif::NiParticleColorModifier* cl
|
|
= static_cast<const Nif::NiParticleColorModifier*>(modifier.getPtr());
|
|
if (cl->mData.empty())
|
|
continue;
|
|
const Nif::NiColorData* clrdata = cl->mData.getPtr();
|
|
program->addOperator(new ParticleColorAffector(clrdata));
|
|
}
|
|
else if (modifier->recType == Nif::RC_NiParticleRotation)
|
|
{
|
|
// unused
|
|
}
|
|
else
|
|
Log(Debug::Info) << "Unhandled particle modifier " << modifier->recName << " in " << mFilename;
|
|
}
|
|
for (; !collider.empty(); collider = collider->mNext)
|
|
{
|
|
if (collider->recType == Nif::RC_NiPlanarCollider)
|
|
{
|
|
const Nif::NiPlanarCollider* planarcollider
|
|
= static_cast<const Nif::NiPlanarCollider*>(collider.getPtr());
|
|
program->addOperator(new PlanarCollider(planarcollider));
|
|
}
|
|
else if (collider->recType == Nif::RC_NiSphericalCollider)
|
|
{
|
|
const Nif::NiSphericalCollider* sphericalcollider
|
|
= static_cast<const Nif::NiSphericalCollider*>(collider.getPtr());
|
|
program->addOperator(new SphericalCollider(sphericalcollider));
|
|
}
|
|
else
|
|
Log(Debug::Info) << "Unhandled particle collider " << collider->recName << " in " << mFilename;
|
|
}
|
|
}
|
|
|
|
// Load the initial state of the particle system, i.e. the initial particles and their positions, velocity and
|
|
// colors.
|
|
void handleParticleInitialState(
|
|
const Nif::NiAVObject* nifNode, ParticleSystem* partsys, const Nif::NiParticleSystemController* partctrl)
|
|
{
|
|
auto particleNode = static_cast<const Nif::NiParticles*>(nifNode);
|
|
if (particleNode->mData.empty())
|
|
{
|
|
partsys->setQuota(partctrl->mParticles.size());
|
|
return;
|
|
}
|
|
|
|
auto particledata = static_cast<const Nif::NiParticlesData*>(particleNode->mData.getPtr());
|
|
partsys->setQuota(particledata->mNumParticles);
|
|
|
|
osg::BoundingBox box;
|
|
|
|
int i = 0;
|
|
for (const auto& particle : partctrl->mParticles)
|
|
{
|
|
if (i++ >= particledata->mActiveCount)
|
|
break;
|
|
|
|
if (particle.mLifespan <= 0)
|
|
continue;
|
|
|
|
if (particle.mCode >= particledata->mVertices.size())
|
|
continue;
|
|
|
|
ParticleAgeSetter particletemplate(std::max(0.f, particle.mAge));
|
|
|
|
osgParticle::Particle* created = partsys->createParticle(&particletemplate);
|
|
created->setLifeTime(particle.mLifespan);
|
|
|
|
// Note this position and velocity is not correct for a particle system with absolute reference frame,
|
|
// which can not be done in this loader since we are not attached to the scene yet. Will be fixed up
|
|
// post-load in the SceneManager.
|
|
created->setVelocity(particle.mVelocity);
|
|
const osg::Vec3f& position = particledata->mVertices[particle.mCode];
|
|
created->setPosition(position);
|
|
|
|
created->setColorRange(osgParticle::rangev4(partctrl->mInitialColor, partctrl->mInitialColor));
|
|
created->setAlphaRange(osgParticle::rangef(1.f, 1.f));
|
|
|
|
float size = partctrl->mInitialSize;
|
|
if (particle.mCode < particledata->mSizes.size())
|
|
size *= particledata->mSizes[particle.mCode];
|
|
|
|
created->setSizeRange(osgParticle::rangef(size, size));
|
|
box.expandBy(osg::BoundingSphere(position, size));
|
|
}
|
|
|
|
// radius may be used to force a larger bounding box
|
|
box.expandBy(osg::BoundingSphere(osg::Vec3(0, 0, 0), particledata->mBoundingSphere.radius()));
|
|
|
|
partsys->setInitialBound(box);
|
|
}
|
|
|
|
osg::ref_ptr<Emitter> handleParticleEmitter(const Nif::NiParticleSystemController* partctrl)
|
|
{
|
|
std::vector<int> targets;
|
|
if (partctrl->recType == Nif::RC_NiBSPArrayController && !partctrl->emitAtVertex())
|
|
{
|
|
getAllNiNodes(partctrl->mEmitter.getPtr(), targets);
|
|
}
|
|
|
|
osg::ref_ptr<Emitter> emitter = new Emitter(targets);
|
|
|
|
osgParticle::ConstantRateCounter* counter = new osgParticle::ConstantRateCounter;
|
|
if (partctrl->noAutoAdjust())
|
|
counter->setNumberOfParticlesPerSecondToCreate(partctrl->mBirthRate);
|
|
else if (partctrl->mLifetime == 0 && partctrl->mLifetimeVariation == 0)
|
|
counter->setNumberOfParticlesPerSecondToCreate(0);
|
|
else
|
|
counter->setNumberOfParticlesPerSecondToCreate(
|
|
partctrl->mParticles.size() / (partctrl->mLifetime + partctrl->mLifetimeVariation / 2));
|
|
|
|
emitter->setCounter(counter);
|
|
|
|
ParticleShooter* shooter = new ParticleShooter(partctrl->mSpeed - partctrl->mSpeedVariation * 0.5f,
|
|
partctrl->mSpeed + partctrl->mSpeedVariation * 0.5f, partctrl->mPlanarAngle,
|
|
partctrl->mPlanarAngleVariation, partctrl->mDeclination, partctrl->mDeclinationVariation,
|
|
partctrl->mLifetime, partctrl->mLifetimeVariation);
|
|
emitter->setShooter(shooter);
|
|
emitter->setFlags(partctrl->mFlags);
|
|
|
|
if (partctrl->recType == Nif::RC_NiBSPArrayController && partctrl->emitAtVertex())
|
|
{
|
|
emitter->setGeometryEmitterTarget(partctrl->mEmitter->recIndex);
|
|
}
|
|
else
|
|
{
|
|
osgParticle::BoxPlacer* placer = new osgParticle::BoxPlacer;
|
|
placer->setXRange(-partctrl->mEmitterDimensions.x() / 2.f, partctrl->mEmitterDimensions.x() / 2.f);
|
|
placer->setYRange(-partctrl->mEmitterDimensions.y() / 2.f, partctrl->mEmitterDimensions.y() / 2.f);
|
|
placer->setZRange(-partctrl->mEmitterDimensions.z() / 2.f, partctrl->mEmitterDimensions.z() / 2.f);
|
|
emitter->setPlacer(placer);
|
|
}
|
|
|
|
return emitter;
|
|
}
|
|
|
|
void handleQueuedParticleEmitters(osg::Group* rootNode, Nif::FileView nif)
|
|
{
|
|
for (const auto& emitterPair : mEmitterQueue)
|
|
{
|
|
size_t recIndex = emitterPair.first;
|
|
FindGroupByRecIndex findEmitterNode(recIndex);
|
|
rootNode->accept(findEmitterNode);
|
|
osg::Group* emitterNode = findEmitterNode.mFound;
|
|
if (!emitterNode)
|
|
{
|
|
Log(Debug::Warning)
|
|
<< "NIFFile Warning: Failed to find particle emitter emitter node (node record index "
|
|
<< recIndex << "). File: " << nif.getFilename();
|
|
continue;
|
|
}
|
|
|
|
// Emitter attached to the emitter node. Note one side effect of the emitter using the CullVisitor is
|
|
// that hiding its node actually causes the emitter to stop firing. Convenient, because MW behaves this
|
|
// way too!
|
|
emitterNode->addChild(emitterPair.second);
|
|
|
|
DisableOptimizer disableOptimizer;
|
|
emitterNode->accept(disableOptimizer);
|
|
}
|
|
mEmitterQueue.clear();
|
|
}
|
|
|
|
void handleParticleSystem(const Nif::NiAVObject* nifNode, const Nif::Parent* parent, osg::Group* parentNode,
|
|
SceneUtil::CompositeStateSetUpdater* composite, int animflags)
|
|
{
|
|
osg::ref_ptr<ParticleSystem> partsys(new ParticleSystem);
|
|
partsys->setSortMode(osgParticle::ParticleSystem::SORT_BACK_TO_FRONT);
|
|
|
|
const Nif::NiParticleSystemController* partctrl = nullptr;
|
|
for (Nif::NiTimeControllerPtr ctrl = nifNode->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiParticleSystemController
|
|
|| ctrl->recType == Nif::RC_NiBSPArrayController)
|
|
partctrl = static_cast<Nif::NiParticleSystemController*>(ctrl.getPtr());
|
|
}
|
|
if (!partctrl)
|
|
{
|
|
Log(Debug::Info) << "No particle controller found in " << mFilename;
|
|
return;
|
|
}
|
|
|
|
osgParticle::ParticleProcessor::ReferenceFrame rf = (animflags & Nif::NiNode::ParticleFlag_LocalSpace)
|
|
? osgParticle::ParticleProcessor::RELATIVE_RF
|
|
: osgParticle::ParticleProcessor::ABSOLUTE_RF;
|
|
|
|
// HACK: ParticleSystem has no setReferenceFrame method
|
|
if (rf == osgParticle::ParticleProcessor::ABSOLUTE_RF)
|
|
{
|
|
partsys->getOrCreateUserDataContainer()->addDescription("worldspace");
|
|
}
|
|
|
|
partsys->setParticleScaleReferenceFrame(osgParticle::ParticleSystem::LOCAL_COORDINATES);
|
|
|
|
handleParticleInitialState(nifNode, partsys, partctrl);
|
|
|
|
partsys->getDefaultParticleTemplate().setSizeRange(
|
|
osgParticle::rangef(partctrl->mInitialSize, partctrl->mInitialSize));
|
|
partsys->getDefaultParticleTemplate().setColorRange(
|
|
osgParticle::rangev4(partctrl->mInitialColor, partctrl->mInitialColor));
|
|
partsys->getDefaultParticleTemplate().setAlphaRange(osgParticle::rangef(1.f, 1.f));
|
|
|
|
if (!partctrl->mEmitter.empty())
|
|
{
|
|
osg::ref_ptr<Emitter> emitter = handleParticleEmitter(partctrl);
|
|
emitter->setParticleSystem(partsys);
|
|
emitter->setReferenceFrame(osgParticle::ParticleProcessor::RELATIVE_RF);
|
|
|
|
// The emitter node may not actually be handled yet, so let's delay attaching the emitter to a later
|
|
// moment. If the emitter node is placed later than the particle node, it'll have a single frame delay
|
|
// in particle processing. But that shouldn't be a game-breaking issue.
|
|
mEmitterQueue.emplace_back(partctrl->mEmitter->recIndex, emitter);
|
|
|
|
osg::ref_ptr<ParticleSystemController> callback(new ParticleSystemController(partctrl));
|
|
setupController(partctrl, callback, animflags);
|
|
emitter->setUpdateCallback(callback);
|
|
|
|
if (!(animflags & Nif::NiNode::ParticleFlag_AutoPlay))
|
|
{
|
|
partsys->setFrozen(true);
|
|
}
|
|
|
|
// Due to odd code in the ParticleSystemUpdater, particle systems will not be updated in the first frame
|
|
// So do that update manually
|
|
osg::NodeVisitor nv;
|
|
partsys->update(0.0, nv);
|
|
}
|
|
|
|
// modifiers should be attached *after* the emitter in the scene graph for correct update order
|
|
// attach to same node as the ParticleSystem, we need osgParticle Operators to get the correct
|
|
// localToWorldMatrix for transforming to particle space
|
|
handleParticlePrograms(partctrl->mModifier, partctrl->mCollider, parentNode, partsys.get(), rf);
|
|
|
|
std::vector<const Nif::NiProperty*> drawableProps;
|
|
collectDrawableProperties(nifNode, parent, drawableProps);
|
|
applyDrawableProperties(parentNode, drawableProps, composite, true, animflags);
|
|
|
|
// particle system updater (after the emitters and modifiers in the scene graph)
|
|
// I think for correct culling needs to be *before* the ParticleSystem, though osg examples do it the other
|
|
// way
|
|
osg::ref_ptr<osgParticle::ParticleSystemUpdater> updater = new osgParticle::ParticleSystemUpdater;
|
|
updater->addParticleSystem(partsys);
|
|
parentNode->addChild(updater);
|
|
|
|
osg::Node* toAttach = partsys.get();
|
|
|
|
if (rf == osgParticle::ParticleProcessor::RELATIVE_RF)
|
|
parentNode->addChild(toAttach);
|
|
else
|
|
{
|
|
osg::MatrixTransform* trans = new osg::MatrixTransform;
|
|
trans->setUpdateCallback(new InverseWorldMatrix);
|
|
trans->addChild(toAttach);
|
|
parentNode->addChild(trans);
|
|
}
|
|
}
|
|
|
|
void handleNiGeometryData(const Nif::NiAVObject* nifNode, const Nif::Parent* parent, osg::Geometry* geometry,
|
|
osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite,
|
|
const std::vector<unsigned int>& boundTextures, int animflags)
|
|
{
|
|
const Nif::NiGeometry* niGeometry = static_cast<const Nif::NiGeometry*>(nifNode);
|
|
if (niGeometry->mData.empty())
|
|
return;
|
|
|
|
bool hasPartitions = false;
|
|
if (!niGeometry->mSkin.empty())
|
|
{
|
|
const Nif::NiSkinInstance* skin = niGeometry->mSkin.getPtr();
|
|
const Nif::NiSkinPartition* partitions = skin->getPartitions();
|
|
hasPartitions = partitions != nullptr;
|
|
if (hasPartitions)
|
|
{
|
|
for (const Nif::NiSkinPartition::Partition& partition : partitions->mPartitions)
|
|
{
|
|
const std::vector<unsigned short>& trueTriangles = partition.mTrueTriangles;
|
|
if (!trueTriangles.empty())
|
|
{
|
|
geometry->addPrimitiveSet(new osg::DrawElementsUShort(
|
|
osg::PrimitiveSet::TRIANGLES, trueTriangles.size(), trueTriangles.data()));
|
|
}
|
|
for (const auto& strip : partition.mTrueStrips)
|
|
{
|
|
if (strip.size() < 3)
|
|
continue;
|
|
geometry->addPrimitiveSet(new osg::DrawElementsUShort(
|
|
osg::PrimitiveSet::TRIANGLE_STRIP, strip.size(), strip.data()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const Nif::NiGeometryData* niGeometryData = niGeometry->mData.getPtr();
|
|
if (!hasPartitions)
|
|
{
|
|
if (niGeometry->recType == Nif::RC_NiTriShape || nifNode->recType == Nif::RC_BSLODTriShape)
|
|
{
|
|
auto data = static_cast<const Nif::NiTriShapeData*>(niGeometryData);
|
|
const std::vector<unsigned short>& triangles = data->mTriangles;
|
|
if (triangles.empty())
|
|
return;
|
|
geometry->addPrimitiveSet(
|
|
new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLES, triangles.size(), triangles.data()));
|
|
}
|
|
else if (niGeometry->recType == Nif::RC_NiTriStrips)
|
|
{
|
|
auto data = static_cast<const Nif::NiTriStripsData*>(niGeometryData);
|
|
bool hasGeometry = false;
|
|
for (const std::vector<unsigned short>& strip : data->mStrips)
|
|
{
|
|
if (strip.size() < 3)
|
|
continue;
|
|
geometry->addPrimitiveSet(
|
|
new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLE_STRIP, strip.size(), strip.data()));
|
|
hasGeometry = true;
|
|
}
|
|
if (!hasGeometry)
|
|
return;
|
|
}
|
|
else if (niGeometry->recType == Nif::RC_NiLines)
|
|
{
|
|
auto data = static_cast<const Nif::NiLinesData*>(niGeometryData);
|
|
const auto& line = data->mLines;
|
|
if (line.empty())
|
|
return;
|
|
geometry->addPrimitiveSet(
|
|
new osg::DrawElementsUShort(osg::PrimitiveSet::LINES, line.size(), line.data()));
|
|
}
|
|
}
|
|
|
|
const auto& vertices = niGeometryData->mVertices;
|
|
const auto& normals = niGeometryData->mNormals;
|
|
const auto& colors = niGeometryData->mColors;
|
|
if (!vertices.empty())
|
|
geometry->setVertexArray(new osg::Vec3Array(vertices.size(), vertices.data()));
|
|
if (!normals.empty())
|
|
geometry->setNormalArray(
|
|
new osg::Vec3Array(normals.size(), normals.data()), osg::Array::BIND_PER_VERTEX);
|
|
if (!colors.empty())
|
|
geometry->setColorArray(new osg::Vec4Array(colors.size(), colors.data()), osg::Array::BIND_PER_VERTEX);
|
|
|
|
const auto& uvlist = niGeometryData->mUVList;
|
|
int textureStage = 0;
|
|
for (std::vector<unsigned int>::const_iterator it = boundTextures.begin(); it != boundTextures.end();
|
|
++it, ++textureStage)
|
|
{
|
|
unsigned int uvSet = *it;
|
|
if (uvSet >= uvlist.size())
|
|
{
|
|
Log(Debug::Verbose) << "Out of bounds UV set " << uvSet << " on shape \"" << nifNode->mName
|
|
<< "\" in " << mFilename;
|
|
if (uvlist.empty())
|
|
continue;
|
|
uvSet = 0;
|
|
}
|
|
|
|
geometry->setTexCoordArray(textureStage, new osg::Vec2Array(uvlist[uvSet].size(), uvlist[uvSet].data()),
|
|
osg::Array::BIND_PER_VERTEX);
|
|
}
|
|
|
|
// osg::Material properties are handled here for two reasons:
|
|
// - if there are no vertex colors, we need to disable colorMode.
|
|
// - there are 3 "overlapping" nif properties that all affect the osg::Material, handling them
|
|
// above the actual renderable would be tedious.
|
|
std::vector<const Nif::NiProperty*> drawableProps;
|
|
collectDrawableProperties(nifNode, parent, drawableProps);
|
|
if (!niGeometry->mShaderProperty.empty())
|
|
drawableProps.emplace_back(niGeometry->mShaderProperty.getPtr());
|
|
if (!niGeometry->mAlphaProperty.empty())
|
|
drawableProps.emplace_back(niGeometry->mAlphaProperty.getPtr());
|
|
applyDrawableProperties(parentNode, drawableProps, composite, !niGeometryData->mColors.empty(), animflags);
|
|
}
|
|
|
|
void handleNiGeometry(const Nif::NiAVObject* nifNode, const Nif::Parent* parent, osg::Group* parentNode,
|
|
SceneUtil::CompositeStateSetUpdater* composite, const std::vector<unsigned int>& boundTextures,
|
|
int animflags)
|
|
{
|
|
assert(isTypeNiGeometry(nifNode->recType));
|
|
|
|
osg::ref_ptr<osg::Geometry> geom(new osg::Geometry);
|
|
handleNiGeometryData(nifNode, parent, geom, parentNode, composite, boundTextures, animflags);
|
|
// If the record had no valid geometry data in it, early-out
|
|
if (geom->empty())
|
|
return;
|
|
|
|
osg::ref_ptr<osg::Drawable> drawable = geom;
|
|
|
|
auto niGeometry = static_cast<const Nif::NiGeometry*>(nifNode);
|
|
if (!niGeometry->mSkin.empty())
|
|
{
|
|
osg::ref_ptr<SceneUtil::RigGeometry> rig(new SceneUtil::RigGeometry);
|
|
rig->setSourceGeometry(geom);
|
|
|
|
const Nif::NiSkinInstance* skin = niGeometry->mSkin.getPtr();
|
|
const Nif::NiSkinData* data = skin->mData.getPtr();
|
|
const Nif::NiAVObjectList& bones = skin->mBones;
|
|
|
|
// Assign bone weights
|
|
std::vector<SceneUtil::RigGeometry::BoneInfo> boneInfo;
|
|
std::vector<SceneUtil::RigGeometry::VertexWeights> influences;
|
|
boneInfo.resize(bones.size());
|
|
influences.resize(bones.size());
|
|
for (std::size_t i = 0; i < bones.size(); ++i)
|
|
{
|
|
boneInfo[i].mName = Misc::StringUtils::lowerCase(bones[i].getPtr()->mName);
|
|
boneInfo[i].mInvBindMatrix = data->mBones[i].mTransform.toMatrix();
|
|
boneInfo[i].mBoundSphere = data->mBones[i].mBoundSphere;
|
|
influences[i] = data->mBones[i].mWeights;
|
|
}
|
|
rig->setBoneInfo(std::move(boneInfo));
|
|
rig->setInfluences(influences);
|
|
|
|
drawable = rig;
|
|
}
|
|
|
|
for (Nif::NiTimeControllerPtr ctrl = nifNode->mController; !ctrl.empty(); ctrl = ctrl->mNext)
|
|
{
|
|
if (!ctrl->isActive())
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiGeomMorpherController)
|
|
{
|
|
if (!niGeometry->mSkin.empty())
|
|
continue;
|
|
|
|
auto nimorphctrl = static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr());
|
|
if (nimorphctrl->mData.empty())
|
|
continue;
|
|
|
|
const std::vector<Nif::NiMorphData::MorphData>& morphs = nimorphctrl->mData.getPtr()->mMorphs;
|
|
if (morphs.empty()
|
|
|| morphs[0].mVertices.size()
|
|
!= static_cast<const osg::Vec3Array*>(geom->getVertexArray())->size())
|
|
continue;
|
|
|
|
osg::ref_ptr<SceneUtil::MorphGeometry> morphGeom = new SceneUtil::MorphGeometry;
|
|
morphGeom->setSourceGeometry(geom);
|
|
for (unsigned int i = 0; i < morphs.size(); ++i)
|
|
morphGeom->addMorphTarget(
|
|
new osg::Vec3Array(morphs[i].mVertices.size(), morphs[i].mVertices.data()), 0.f);
|
|
|
|
osg::ref_ptr<GeomMorpherController> morphctrl = new GeomMorpherController(nimorphctrl);
|
|
setupController(ctrl.getPtr(), morphctrl, animflags);
|
|
morphGeom->setUpdateCallback(morphctrl);
|
|
|
|
drawable = morphGeom;
|
|
break;
|
|
}
|
|
}
|
|
|
|
drawable->setName(nifNode->mName);
|
|
parentNode->addChild(drawable);
|
|
}
|
|
|
|
void handleBSGeometry(const Nif::NiAVObject* nifNode, const Nif::Parent* parent, osg::Group* parentNode,
|
|
SceneUtil::CompositeStateSetUpdater* composite, const std::vector<unsigned int>& boundTextures,
|
|
int animflags)
|
|
{
|
|
assert(isTypeBSGeometry(nifNode->recType));
|
|
|
|
auto bsTriShape = static_cast<const Nif::BSTriShape*>(nifNode);
|
|
const std::vector<unsigned short>& triangles = bsTriShape->mTriangles;
|
|
if (triangles.empty())
|
|
return;
|
|
|
|
osg::ref_ptr<osg::Geometry> geometry(new osg::Geometry);
|
|
geometry->addPrimitiveSet(
|
|
new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLES, triangles.size(), triangles.data()));
|
|
|
|
osg::ref_ptr<osg::Drawable> drawable = geometry;
|
|
|
|
// Some input geometry may not be used as is so it needs to be converted.
|
|
// Normals, tangents and bitangents use a special normal map-like format not equivalent to snorm8 or unorm8
|
|
auto normbyteToFloat = [](uint8_t value) { return value / 255.f * 2.f - 1.f; };
|
|
// Vertices and UV sets may be half-precision.
|
|
// OSG doesn't have a way to pass half-precision data at the moment.
|
|
auto halfToFloat = [](uint16_t value) {
|
|
uint32_t bits = static_cast<uint32_t>(value & 0x8000) << 16;
|
|
|
|
const uint32_t exp16 = (value & 0x7c00) >> 10;
|
|
uint32_t frac16 = value & 0x3ff;
|
|
if (exp16)
|
|
bits |= (exp16 + 0x70) << 23;
|
|
else if (frac16)
|
|
{
|
|
uint8_t offset = 0;
|
|
do
|
|
{
|
|
++offset;
|
|
frac16 <<= 1;
|
|
} while ((frac16 & 0x400) != 0x400);
|
|
frac16 &= 0x3ff;
|
|
bits |= (0x71 - offset) << 23;
|
|
}
|
|
bits |= frac16 << 13;
|
|
|
|
float result;
|
|
std::memcpy(&result, &bits, sizeof(float));
|
|
return result;
|
|
};
|
|
|
|
const bool fullPrec = bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::Full_Precision;
|
|
const bool hasVertices = bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::Vertex;
|
|
const bool hasNormals = bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::Normals;
|
|
const bool hasColors = bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::Vertex_Colors;
|
|
const bool hasUV = bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::UVs;
|
|
|
|
std::vector<osg::Vec3f> vertices;
|
|
std::vector<osg::Vec3f> normals;
|
|
std::vector<osg::Vec4ub> colors;
|
|
std::vector<osg::Vec2f> uvlist;
|
|
for (auto& elem : bsTriShape->mVertData)
|
|
{
|
|
if (hasVertices)
|
|
{
|
|
if (fullPrec)
|
|
vertices.emplace_back(elem.mVertex.x(), elem.mVertex.y(), elem.mVertex.z());
|
|
else
|
|
vertices.emplace_back(halfToFloat(elem.mHalfVertex[0]), halfToFloat(elem.mHalfVertex[1]),
|
|
halfToFloat(elem.mHalfVertex[2]));
|
|
}
|
|
if (hasNormals)
|
|
normals.emplace_back(normbyteToFloat(elem.mNormal[0]), normbyteToFloat(elem.mNormal[1]),
|
|
normbyteToFloat(elem.mNormal[2]));
|
|
if (hasColors)
|
|
colors.emplace_back(elem.mVertColor[0], elem.mVertColor[1], elem.mVertColor[2], elem.mVertColor[3]);
|
|
if (hasUV)
|
|
uvlist.emplace_back(halfToFloat(elem.mUV[0]), 1.0 - halfToFloat(elem.mUV[1]));
|
|
}
|
|
|
|
if (!vertices.empty())
|
|
geometry->setVertexArray(new osg::Vec3Array(vertices.size(), vertices.data()));
|
|
if (!normals.empty())
|
|
geometry->setNormalArray(
|
|
new osg::Vec3Array(normals.size(), normals.data()), osg::Array::BIND_PER_VERTEX);
|
|
if (!colors.empty())
|
|
geometry->setColorArray(
|
|
new osg::Vec4ubArray(colors.size(), colors.data()), osg::Array::BIND_PER_VERTEX);
|
|
if (!uvlist.empty())
|
|
geometry->setTexCoordArray(
|
|
0, new osg::Vec2Array(uvlist.size(), uvlist.data()), osg::Array::BIND_PER_VERTEX);
|
|
|
|
// This is the skinning data Fallout 4 provides
|
|
// TODO: support Skyrim SE skinning data
|
|
if (!bsTriShape->mSkin.empty() && bsTriShape->mSkin->recType == Nif::RC_BSSkinInstance
|
|
&& bsTriShape->mVertDesc.mFlags & Nif::BSVertexDesc::VertexAttribute::Skinned)
|
|
{
|
|
osg::ref_ptr<SceneUtil::RigGeometry> rig(new SceneUtil::RigGeometry);
|
|
rig->setSourceGeometry(std::move(geometry));
|
|
|
|
const Nif::BSSkinInstance* skin = static_cast<const Nif::BSSkinInstance*>(bsTriShape->mSkin.getPtr());
|
|
const Nif::BSSkinBoneData* data = skin->mData.getPtr();
|
|
const Nif::NiAVObjectList& bones = skin->mBones;
|
|
|
|
std::vector<SceneUtil::RigGeometry::BoneInfo> boneInfo;
|
|
std::vector<SceneUtil::RigGeometry::BoneWeights> influences;
|
|
boneInfo.resize(bones.size());
|
|
influences.resize(vertices.size());
|
|
for (std::size_t i = 0; i < bones.size(); ++i)
|
|
{
|
|
boneInfo[i].mName = Misc::StringUtils::lowerCase(bones[i].getPtr()->mName);
|
|
boneInfo[i].mInvBindMatrix = data->mBones[i].mTransform.toMatrix();
|
|
boneInfo[i].mBoundSphere = data->mBones[i].mBoundSphere;
|
|
}
|
|
|
|
for (size_t i = 0; i < vertices.size(); i++)
|
|
{
|
|
const Nif::BSVertexData& vertData = bsTriShape->mVertData[i];
|
|
for (int j = 0; j < 4; j++)
|
|
influences[i].emplace_back(vertData.mBoneIndices[j], halfToFloat(vertData.mBoneWeights[j]));
|
|
}
|
|
rig->setBoneInfo(std::move(boneInfo));
|
|
rig->setInfluences(influences);
|
|
|
|
drawable = rig;
|
|
}
|
|
|
|
std::vector<const Nif::NiProperty*> drawableProps;
|
|
collectDrawableProperties(nifNode, parent, drawableProps);
|
|
if (!bsTriShape->mShaderProperty.empty())
|
|
drawableProps.emplace_back(bsTriShape->mShaderProperty.getPtr());
|
|
if (!bsTriShape->mAlphaProperty.empty())
|
|
drawableProps.emplace_back(bsTriShape->mAlphaProperty.getPtr());
|
|
applyDrawableProperties(parentNode, drawableProps, composite, !colors.empty(), animflags);
|
|
|
|
drawable->setName(nifNode->mName);
|
|
parentNode->addChild(drawable);
|
|
}
|
|
|
|
osg::BlendFunc::BlendFuncMode getBlendMode(int mode)
|
|
{
|
|
switch (mode)
|
|
{
|
|
case 0:
|
|
return osg::BlendFunc::ONE;
|
|
case 1:
|
|
return osg::BlendFunc::ZERO;
|
|
case 2:
|
|
return osg::BlendFunc::SRC_COLOR;
|
|
case 3:
|
|
return osg::BlendFunc::ONE_MINUS_SRC_COLOR;
|
|
case 4:
|
|
return osg::BlendFunc::DST_COLOR;
|
|
case 5:
|
|
return osg::BlendFunc::ONE_MINUS_DST_COLOR;
|
|
case 6:
|
|
return osg::BlendFunc::SRC_ALPHA;
|
|
case 7:
|
|
return osg::BlendFunc::ONE_MINUS_SRC_ALPHA;
|
|
case 8:
|
|
return osg::BlendFunc::DST_ALPHA;
|
|
case 9:
|
|
return osg::BlendFunc::ONE_MINUS_DST_ALPHA;
|
|
case 10:
|
|
return osg::BlendFunc::SRC_ALPHA_SATURATE;
|
|
default:
|
|
Log(Debug::Info) << "Unexpected blend mode: " << mode << " in " << mFilename;
|
|
return osg::BlendFunc::SRC_ALPHA;
|
|
}
|
|
}
|
|
|
|
osg::AlphaFunc::ComparisonFunction getTestMode(int mode)
|
|
{
|
|
switch (mode)
|
|
{
|
|
case 0:
|
|
return osg::AlphaFunc::ALWAYS;
|
|
case 1:
|
|
return osg::AlphaFunc::LESS;
|
|
case 2:
|
|
return osg::AlphaFunc::EQUAL;
|
|
case 3:
|
|
return osg::AlphaFunc::LEQUAL;
|
|
case 4:
|
|
return osg::AlphaFunc::GREATER;
|
|
case 5:
|
|
return osg::AlphaFunc::NOTEQUAL;
|
|
case 6:
|
|
return osg::AlphaFunc::GEQUAL;
|
|
case 7:
|
|
return osg::AlphaFunc::NEVER;
|
|
default:
|
|
Log(Debug::Info) << "Unexpected blend mode: " << mode << " in " << mFilename;
|
|
return osg::AlphaFunc::LEQUAL;
|
|
}
|
|
}
|
|
|
|
osg::Stencil::Function getStencilFunction(Nif::NiStencilProperty::TestFunc func)
|
|
{
|
|
using TestFunc = Nif::NiStencilProperty::TestFunc;
|
|
switch (func)
|
|
{
|
|
case TestFunc::Never:
|
|
return osg::Stencil::NEVER;
|
|
case TestFunc::Less:
|
|
return osg::Stencil::LESS;
|
|
case TestFunc::Equal:
|
|
return osg::Stencil::EQUAL;
|
|
case TestFunc::LessEqual:
|
|
return osg::Stencil::LEQUAL;
|
|
case TestFunc::Greater:
|
|
return osg::Stencil::GREATER;
|
|
case TestFunc::NotEqual:
|
|
return osg::Stencil::NOTEQUAL;
|
|
case TestFunc::GreaterEqual:
|
|
return osg::Stencil::GEQUAL;
|
|
case TestFunc::Always:
|
|
return osg::Stencil::ALWAYS;
|
|
default:
|
|
Log(Debug::Info) << "Unexpected stencil function: " << static_cast<uint32_t>(func) << " in "
|
|
<< mFilename;
|
|
return osg::Stencil::NEVER;
|
|
}
|
|
}
|
|
|
|
osg::Stencil::Operation getStencilOperation(Nif::NiStencilProperty::Action op)
|
|
{
|
|
using Action = Nif::NiStencilProperty::Action;
|
|
switch (op)
|
|
{
|
|
case Action::Keep:
|
|
return osg::Stencil::KEEP;
|
|
case Action::Zero:
|
|
return osg::Stencil::ZERO;
|
|
case Action::Replace:
|
|
return osg::Stencil::REPLACE;
|
|
case Action::Increment:
|
|
return osg::Stencil::INCR;
|
|
case Action::Decrement:
|
|
return osg::Stencil::DECR;
|
|
case Action::Invert:
|
|
return osg::Stencil::INVERT;
|
|
default:
|
|
Log(Debug::Info) << "Unexpected stencil operation: " << static_cast<uint32_t>(op) << " in "
|
|
<< mFilename;
|
|
return osg::Stencil::KEEP;
|
|
}
|
|
}
|
|
|
|
osg::ref_ptr<osg::Image> handleInternalTexture(const Nif::NiPixelData* pixelData) const
|
|
{
|
|
if (pixelData->mMipmaps.empty())
|
|
return nullptr;
|
|
|
|
// Not fatal, but warn the user
|
|
if (pixelData->mNumFaces != 1)
|
|
Log(Debug::Info) << "Unsupported multifaceted internal texture in " << mFilename;
|
|
|
|
using Nif::NiPixelFormat;
|
|
NiPixelFormat niPixelFormat = pixelData->mPixelFormat;
|
|
GLenum pixelformat = 0;
|
|
// Pixel row alignment. Defining it to be consistent with OSG DDS plugin
|
|
int packing = 1;
|
|
switch (niPixelFormat.mFormat)
|
|
{
|
|
case NiPixelFormat::Format::RGB:
|
|
pixelformat = GL_RGB;
|
|
break;
|
|
case NiPixelFormat::Format::RGBA:
|
|
pixelformat = GL_RGBA;
|
|
break;
|
|
case NiPixelFormat::Format::Palette:
|
|
case NiPixelFormat::Format::PaletteAlpha:
|
|
pixelformat = GL_RED; // Each color is defined by a byte.
|
|
break;
|
|
case NiPixelFormat::Format::BGR:
|
|
pixelformat = GL_BGR;
|
|
break;
|
|
case NiPixelFormat::Format::BGRA:
|
|
pixelformat = GL_BGRA;
|
|
break;
|
|
case NiPixelFormat::Format::DXT1:
|
|
pixelformat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
|
|
packing = 2;
|
|
break;
|
|
case NiPixelFormat::Format::DXT3:
|
|
pixelformat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
|
|
packing = 4;
|
|
break;
|
|
case NiPixelFormat::Format::DXT5:
|
|
pixelformat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
|
|
packing = 4;
|
|
break;
|
|
default:
|
|
Log(Debug::Info) << "Unhandled internal pixel format "
|
|
<< static_cast<uint32_t>(niPixelFormat.mFormat) << " in " << mFilename;
|
|
return nullptr;
|
|
}
|
|
|
|
int width = 0;
|
|
int height = 0;
|
|
|
|
std::vector<unsigned int> mipmapOffsets;
|
|
for (unsigned int i = 0; i < pixelData->mMipmaps.size(); ++i)
|
|
{
|
|
const Nif::NiPixelData::Mipmap& mip = pixelData->mMipmaps[i];
|
|
|
|
size_t mipSize = osg::Image::computeImageSizeInBytes(
|
|
mip.mWidth, mip.mHeight, 1, pixelformat, GL_UNSIGNED_BYTE, packing);
|
|
if (mipSize + mip.mOffset > pixelData->mData.size())
|
|
{
|
|
Log(Debug::Info) << "Internal texture's mipmap data out of bounds, ignoring texture";
|
|
return nullptr;
|
|
}
|
|
|
|
if (i != 0)
|
|
mipmapOffsets.push_back(mip.mOffset);
|
|
else
|
|
{
|
|
width = mip.mWidth;
|
|
height = mip.mHeight;
|
|
}
|
|
}
|
|
|
|
if (width <= 0 || height <= 0)
|
|
{
|
|
Log(Debug::Info) << "Internal Texture Width and height must be non zero, ignoring texture";
|
|
return nullptr;
|
|
}
|
|
|
|
osg::ref_ptr<osg::Image> image(new osg::Image);
|
|
const std::vector<unsigned char>& pixels = pixelData->mData;
|
|
switch (niPixelFormat.mFormat)
|
|
{
|
|
case NiPixelFormat::Format::RGB:
|
|
case NiPixelFormat::Format::RGBA:
|
|
case NiPixelFormat::Format::BGR:
|
|
case NiPixelFormat::Format::BGRA:
|
|
case NiPixelFormat::Format::DXT1:
|
|
case NiPixelFormat::Format::DXT3:
|
|
case NiPixelFormat::Format::DXT5:
|
|
{
|
|
unsigned char* data = new unsigned char[pixels.size()];
|
|
memcpy(data, pixels.data(), pixels.size());
|
|
image->setImage(width, height, 1, pixelformat, pixelformat, GL_UNSIGNED_BYTE, data,
|
|
osg::Image::USE_NEW_DELETE, packing);
|
|
break;
|
|
}
|
|
case NiPixelFormat::Format::Palette:
|
|
case NiPixelFormat::Format::PaletteAlpha:
|
|
{
|
|
if (pixelData->mPalette.empty() || niPixelFormat.mBitsPerPixel != 8)
|
|
{
|
|
Log(Debug::Info) << "Palettized texture in " << mFilename << " is invalid, ignoring";
|
|
return nullptr;
|
|
}
|
|
pixelformat = niPixelFormat.mFormat == NiPixelFormat::Format::PaletteAlpha ? GL_RGBA : GL_RGB;
|
|
// We're going to convert the indices that pixel data contains
|
|
// into real colors using the palette.
|
|
const auto& palette = pixelData->mPalette->mColors;
|
|
const int numChannels = pixelformat == GL_RGBA ? 4 : 3;
|
|
unsigned char* data = new unsigned char[pixels.size() * numChannels];
|
|
unsigned char* pixel = data;
|
|
for (unsigned char index : pixels)
|
|
{
|
|
memcpy(pixel, &palette[index], sizeof(unsigned char) * numChannels);
|
|
pixel += numChannels;
|
|
}
|
|
for (unsigned int& offset : mipmapOffsets)
|
|
offset *= numChannels;
|
|
image->setImage(width, height, 1, pixelformat, pixelformat, GL_UNSIGNED_BYTE, data,
|
|
osg::Image::USE_NEW_DELETE, packing);
|
|
break;
|
|
}
|
|
default:
|
|
return nullptr;
|
|
}
|
|
|
|
image->setMipmapLevels(mipmapOffsets);
|
|
image->flipVertical();
|
|
|
|
return image;
|
|
}
|
|
|
|
static osg::ref_ptr<osg::TexEnvCombine> createEmissiveTexEnv()
|
|
{
|
|
osg::ref_ptr<osg::TexEnvCombine> texEnv(new osg::TexEnvCombine);
|
|
// Sum the previous colour and the emissive colour.
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::ADD);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
|
|
// Keep the previous alpha.
|
|
texEnv->setCombine_Alpha(osg::TexEnvCombine::REPLACE);
|
|
texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand0_Alpha(osg::TexEnvCombine::SRC_ALPHA);
|
|
return texEnv;
|
|
}
|
|
|
|
void handleDepthFlags(osg::StateSet* stateset, bool depthTest, bool depthWrite)
|
|
{
|
|
if (!depthWrite && !depthTest)
|
|
{
|
|
stateset->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
|
|
return;
|
|
}
|
|
osg::ref_ptr<osg::Depth> depth = new osg::Depth;
|
|
depth->setWriteMask(depthWrite);
|
|
if (!depthTest)
|
|
depth->setFunction(osg::Depth::ALWAYS);
|
|
depth = shareAttribute(depth);
|
|
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON);
|
|
}
|
|
|
|
void handleTextureProperty(const Nif::NiTexturingProperty* texprop, const std::string& nodeName,
|
|
osg::StateSet* stateset, SceneUtil::CompositeStateSetUpdater* composite,
|
|
std::vector<unsigned int>& boundTextures, int animflags)
|
|
{
|
|
// overriding a parent NiTexturingProperty, so remove what was previously bound
|
|
clearBoundTextures(stateset, boundTextures);
|
|
|
|
// If this loop is changed such that the base texture isn't guaranteed to end up in texture unit 0, the
|
|
// shadow casting shader will need to be updated accordingly.
|
|
for (size_t i = 0; i < texprop->mTextures.size(); ++i)
|
|
{
|
|
const Nif::NiTexturingProperty::Texture& tex = texprop->mTextures[i];
|
|
if (tex.mEnabled || (i == Nif::NiTexturingProperty::BaseTexture && !texprop->mController.empty()))
|
|
{
|
|
std::string textureName;
|
|
switch (i)
|
|
{
|
|
// These are handled later on
|
|
case Nif::NiTexturingProperty::BaseTexture:
|
|
textureName = "diffuseMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::GlowTexture:
|
|
textureName = "glowMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::DarkTexture:
|
|
textureName = "darkMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::BumpTexture:
|
|
textureName = "bumpMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::DetailTexture:
|
|
textureName = "detailMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::DecalTexture:
|
|
textureName = "decalMap";
|
|
break;
|
|
case Nif::NiTexturingProperty::GlossTexture:
|
|
textureName = "glossMap";
|
|
break;
|
|
default:
|
|
{
|
|
Log(Debug::Info) << "Unhandled texture stage " << i << " on shape \"" << nodeName
|
|
<< "\" in " << mFilename;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
const unsigned int texUnit = boundTextures.size();
|
|
if (tex.mEnabled)
|
|
{
|
|
if (tex.mSourceTexture.empty() && texprop->mController.empty())
|
|
{
|
|
if (i == 0)
|
|
Log(Debug::Warning) << "Base texture is in use but empty on shape \"" << nodeName
|
|
<< "\" in " << mFilename;
|
|
continue;
|
|
}
|
|
|
|
if (!tex.mSourceTexture.empty())
|
|
attachNiSourceTexture(textureName, tex.mSourceTexture.getPtr(), tex.wrapS(), tex.wrapT(),
|
|
tex.mUVSet, stateset, boundTextures);
|
|
else
|
|
attachTexture(
|
|
textureName, nullptr, tex.wrapS(), tex.wrapT(), tex.mUVSet, stateset, boundTextures);
|
|
}
|
|
else
|
|
{
|
|
// Texture only comes from NiFlipController, so tex is ignored, set defaults
|
|
attachTexture(textureName, nullptr, true, true, 0, stateset, boundTextures);
|
|
}
|
|
|
|
if (i == Nif::NiTexturingProperty::GlowTexture)
|
|
{
|
|
stateset->setTextureAttributeAndModes(texUnit, createEmissiveTexEnv(), osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DarkTexture)
|
|
{
|
|
osg::TexEnv* texEnv = new osg::TexEnv;
|
|
// Modulate both the colour and the alpha with the dark map.
|
|
texEnv->setMode(osg::TexEnv::MODULATE);
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DetailTexture)
|
|
{
|
|
osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
|
|
// Modulate previous colour...
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::MODULATE);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
// with the detail map's colour,
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
// and a twist:
|
|
texEnv->setScale_RGB(2.f);
|
|
// Keep the previous alpha.
|
|
texEnv->setCombine_Alpha(osg::TexEnvCombine::REPLACE);
|
|
texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand0_Alpha(osg::TexEnvCombine::SRC_ALPHA);
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::BumpTexture)
|
|
{
|
|
// Bump maps offset the environment map.
|
|
// Set this texture to Off by default since we can't render it with the fixed-function pipeline
|
|
stateset->setTextureMode(texUnit, GL_TEXTURE_2D, osg::StateAttribute::OFF);
|
|
osg::Matrix2 bumpMapMatrix(texprop->mBumpMapMatrix.x(), texprop->mBumpMapMatrix.y(),
|
|
texprop->mBumpMapMatrix.z(), texprop->mBumpMapMatrix.w());
|
|
stateset->addUniform(new osg::Uniform("bumpMapMatrix", bumpMapMatrix));
|
|
stateset->addUniform(new osg::Uniform("envMapLumaBias", texprop->mEnvMapLumaBias));
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::GlossTexture)
|
|
{
|
|
// A gloss map is an environment map mask.
|
|
// Gloss maps are only implemented in the object shaders as well.
|
|
stateset->setTextureMode(texUnit, GL_TEXTURE_2D, osg::StateAttribute::OFF);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DecalTexture)
|
|
{
|
|
// This is only an inaccurate imitation of the original implementation,
|
|
// see https://github.com/niftools/nifskope/issues/184
|
|
|
|
osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
|
|
// Interpolate to the decal texture's colour...
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::INTERPOLATE);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
// ...from the previous colour...
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
// using the decal texture's alpha as the factor.
|
|
texEnv->setSource2_RGB(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setOperand2_RGB(osg::TexEnvCombine::SRC_ALPHA);
|
|
// Keep the previous alpha.
|
|
texEnv->setCombine_Alpha(osg::TexEnvCombine::REPLACE);
|
|
texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand0_Alpha(osg::TexEnvCombine::SRC_ALPHA);
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
}
|
|
}
|
|
handleTextureControllers(texprop, composite, stateset, animflags);
|
|
}
|
|
|
|
Bgsm::MaterialFilePtr getShaderMaterial(std::string_view path) const
|
|
{
|
|
if (!mMaterialManager)
|
|
return nullptr;
|
|
|
|
if (!Misc::StringUtils::ciEndsWith(path, ".bgem") && !Misc::StringUtils::ciEndsWith(path, ".bgsm"))
|
|
return nullptr;
|
|
|
|
std::string normalizedPath = Misc::ResourceHelpers::correctMaterialPath(path, mMaterialManager->getVFS());
|
|
try
|
|
{
|
|
return mMaterialManager->get(VFS::Path::Normalized(normalizedPath));
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
Log(Debug::Error) << "Failed to load shader material: " << e.what();
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
void handleShaderMaterialNodeProperties(
|
|
Bgsm::MaterialFilePtr material, osg::StateSet* stateset, std::vector<unsigned int>& boundTextures)
|
|
{
|
|
const unsigned int uvSet = 0;
|
|
const bool wrapS = (material->mClamp >> 1) & 0x1;
|
|
const bool wrapT = material->mClamp & 0x1;
|
|
if (material->mShaderType == Bgsm::ShaderType::Lighting)
|
|
{
|
|
const Bgsm::BGSMFile* bgsm = static_cast<const Bgsm::BGSMFile*>(material.get());
|
|
|
|
if (!bgsm->mDiffuseMap.empty())
|
|
attachExternalTexture(
|
|
"diffuseMap", bgsm->mDiffuseMap, wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
|
|
if (!bgsm->mNormalMap.empty())
|
|
attachExternalTexture("normalMap", bgsm->mNormalMap, wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
|
|
if (bgsm->mGlowMapEnabled && !bgsm->mGlowMap.empty())
|
|
attachExternalTexture("emissiveMap", bgsm->mGlowMap, wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
|
|
if (bgsm->mTree)
|
|
stateset->addUniform(new osg::Uniform("useTreeAnim", true));
|
|
}
|
|
else if (material->mShaderType == Bgsm::ShaderType::Effect)
|
|
{
|
|
const Bgsm::BGEMFile* bgem = static_cast<const Bgsm::BGEMFile*>(material.get());
|
|
|
|
if (!bgem->mBaseMap.empty())
|
|
attachExternalTexture("diffuseMap", bgem->mBaseMap, wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
|
|
bool useFalloff = bgem->mFalloff;
|
|
stateset->addUniform(new osg::Uniform("useFalloff", useFalloff));
|
|
if (useFalloff)
|
|
stateset->addUniform(new osg::Uniform("falloffParams", bgem->mFalloffParams));
|
|
}
|
|
|
|
if (material->mTwoSided)
|
|
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
|
|
handleDepthFlags(stateset, material->mDepthTest, material->mDepthWrite);
|
|
}
|
|
|
|
void handleDecal(bool enabled, bool hasSortAlpha, osg::Node& node)
|
|
{
|
|
if (!enabled)
|
|
return;
|
|
osg::ref_ptr<osg::StateSet> stateset = node.getOrCreateStateSet();
|
|
osg::ref_ptr<osg::PolygonOffset> polygonOffset(new osg::PolygonOffset);
|
|
polygonOffset->setUnits(SceneUtil::AutoDepth::isReversed() ? 1.f : -1.f);
|
|
polygonOffset->setFactor(SceneUtil::AutoDepth::isReversed() ? 0.65f : -0.65f);
|
|
polygonOffset = shareAttribute(polygonOffset);
|
|
stateset->setAttributeAndModes(polygonOffset, osg::StateAttribute::ON);
|
|
if (!mPushedSorter && !hasSortAlpha)
|
|
stateset->setRenderBinDetails(1, "SORT_BACK_TO_FRONT");
|
|
}
|
|
|
|
void handleAlphaTesting(
|
|
bool enabled, osg::AlphaFunc::ComparisonFunction function, int threshold, osg::Node& node)
|
|
{
|
|
if (enabled)
|
|
{
|
|
osg::ref_ptr<osg::AlphaFunc> alphaFunc(new osg::AlphaFunc(function, threshold / 255.f));
|
|
alphaFunc = shareAttribute(alphaFunc);
|
|
node.getOrCreateStateSet()->setAttributeAndModes(alphaFunc, osg::StateAttribute::ON);
|
|
}
|
|
else if (osg::StateSet* stateset = node.getStateSet())
|
|
{
|
|
stateset->removeAttribute(osg::StateAttribute::ALPHAFUNC);
|
|
stateset->removeMode(GL_ALPHA_TEST);
|
|
}
|
|
}
|
|
|
|
void handleAlphaBlending(
|
|
bool enabled, int sourceMode, int destMode, bool sort, bool& hasSortAlpha, osg::Node& node)
|
|
{
|
|
if (enabled)
|
|
{
|
|
osg::ref_ptr<osg::StateSet> stateset = node.getOrCreateStateSet();
|
|
osg::ref_ptr<osg::BlendFunc> blendFunc(
|
|
new osg::BlendFunc(getBlendMode(sourceMode), getBlendMode(destMode)));
|
|
// on AMD hardware, alpha still seems to be stored with an RGBA framebuffer with OpenGL.
|
|
// This might be mandated by the OpenGL 2.1 specification section 2.14.9, or might be a bug.
|
|
// Either way, D3D8.1 doesn't do that, so adapt the destination factor.
|
|
if (blendFunc->getDestination() == GL_DST_ALPHA)
|
|
blendFunc->setDestination(GL_ONE);
|
|
blendFunc = shareAttribute(blendFunc);
|
|
stateset->setAttributeAndModes(blendFunc, osg::StateAttribute::ON);
|
|
|
|
if (sort)
|
|
{
|
|
hasSortAlpha = true;
|
|
if (!mPushedSorter)
|
|
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
|
|
}
|
|
else if (!mPushedSorter)
|
|
{
|
|
stateset->setRenderBinToInherit();
|
|
}
|
|
}
|
|
else if (osg::ref_ptr<osg::StateSet> stateset = node.getStateSet())
|
|
{
|
|
stateset->removeAttribute(osg::StateAttribute::BLENDFUNC);
|
|
stateset->removeMode(GL_BLEND);
|
|
if (!mPushedSorter)
|
|
stateset->setRenderBinToInherit();
|
|
}
|
|
}
|
|
|
|
void handleShaderMaterialDrawableProperties(
|
|
Bgsm::MaterialFilePtr shaderMat, osg::ref_ptr<osg::Material> mat, osg::Node& node, bool& hasSortAlpha)
|
|
{
|
|
mat->setAlpha(osg::Material::FRONT_AND_BACK, shaderMat->mTransparency);
|
|
handleAlphaTesting(shaderMat->mAlphaTest, osg::AlphaFunc::GREATER, shaderMat->mAlphaTestThreshold, node);
|
|
handleAlphaBlending(shaderMat->mAlphaBlend, shaderMat->mSourceBlendMode, shaderMat->mDestinationBlendMode,
|
|
true, hasSortAlpha, node);
|
|
handleDecal(shaderMat->mDecal, hasSortAlpha, node);
|
|
if (shaderMat->mShaderType == Bgsm::ShaderType::Lighting)
|
|
{
|
|
auto bgsm = static_cast<const Bgsm::BGSMFile*>(shaderMat.get());
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(bgsm->mEmittanceColor, 1.f));
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(bgsm->mSpecularColor, 1.f));
|
|
}
|
|
else if (shaderMat->mShaderType == Bgsm::ShaderType::Effect)
|
|
{
|
|
auto bgem = static_cast<const Bgsm::BGEMFile*>(shaderMat.get());
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(bgem->mEmittanceColor, 1.f));
|
|
if (bgem->mSoft)
|
|
SceneUtil::setupSoftEffect(node, bgem->mSoftDepth, true, bgem->mSoftDepth);
|
|
}
|
|
}
|
|
|
|
void handleTextureSet(const Nif::BSShaderTextureSet* textureSet, bool wrapS, bool wrapT,
|
|
const std::string& nodeName, osg::StateSet* stateset, std::vector<unsigned int>& boundTextures)
|
|
{
|
|
const unsigned int uvSet = 0;
|
|
|
|
for (size_t i = 0; i < textureSet->mTextures.size(); ++i)
|
|
{
|
|
if (textureSet->mTextures[i].empty())
|
|
continue;
|
|
switch (static_cast<Nif::BSShaderTextureSet::TextureType>(i))
|
|
{
|
|
case Nif::BSShaderTextureSet::TextureType::Base:
|
|
attachExternalTexture(
|
|
"diffuseMap", textureSet->mTextures[i], wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
break;
|
|
case Nif::BSShaderTextureSet::TextureType::Normal:
|
|
attachExternalTexture(
|
|
"normalMap", textureSet->mTextures[i], wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
break;
|
|
case Nif::BSShaderTextureSet::TextureType::Glow:
|
|
attachExternalTexture(
|
|
"emissiveMap", textureSet->mTextures[i], wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
break;
|
|
default:
|
|
{
|
|
Log(Debug::Info) << "Unhandled texture stage " << i << " on shape \"" << nodeName << "\" in "
|
|
<< mFilename;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string_view getBSShaderPrefix(unsigned int type) const
|
|
{
|
|
switch (static_cast<Nif::BSShaderType>(type))
|
|
{
|
|
case Nif::BSShaderType::ShaderType_Default:
|
|
return "bs/default";
|
|
case Nif::BSShaderType::ShaderType_NoLighting:
|
|
return "bs/nolighting";
|
|
case Nif::BSShaderType::ShaderType_TallGrass:
|
|
case Nif::BSShaderType::ShaderType_Sky:
|
|
case Nif::BSShaderType::ShaderType_Skin:
|
|
case Nif::BSShaderType::ShaderType_Water:
|
|
case Nif::BSShaderType::ShaderType_Lighting30:
|
|
case Nif::BSShaderType::ShaderType_Tile:
|
|
Log(Debug::Warning) << "Unhandled BSShaderType " << type << " in " << mFilename;
|
|
return "bs/default";
|
|
}
|
|
Log(Debug::Warning) << "Unknown BSShaderType " << type << " in " << mFilename;
|
|
return "bs/default";
|
|
}
|
|
|
|
std::string_view getBSLightingShaderPrefix(unsigned int type) const
|
|
{
|
|
switch (static_cast<Nif::BSLightingShaderType>(type))
|
|
{
|
|
case Nif::BSLightingShaderType::ShaderType_Default:
|
|
return "bs/default";
|
|
case Nif::BSLightingShaderType::ShaderType_EnvMap:
|
|
case Nif::BSLightingShaderType::ShaderType_Glow:
|
|
case Nif::BSLightingShaderType::ShaderType_Parallax:
|
|
case Nif::BSLightingShaderType::ShaderType_FaceTint:
|
|
case Nif::BSLightingShaderType::ShaderType_SkinTint:
|
|
case Nif::BSLightingShaderType::ShaderType_HairTint:
|
|
case Nif::BSLightingShaderType::ShaderType_ParallaxOcc:
|
|
case Nif::BSLightingShaderType::ShaderType_MultitexLand:
|
|
case Nif::BSLightingShaderType::ShaderType_LODLand:
|
|
case Nif::BSLightingShaderType::ShaderType_Snow:
|
|
case Nif::BSLightingShaderType::ShaderType_MultiLayerParallax:
|
|
case Nif::BSLightingShaderType::ShaderType_TreeAnim:
|
|
case Nif::BSLightingShaderType::ShaderType_LODObjects:
|
|
case Nif::BSLightingShaderType::ShaderType_SparkleSnow:
|
|
case Nif::BSLightingShaderType::ShaderType_LODObjectsHD:
|
|
case Nif::BSLightingShaderType::ShaderType_EyeEnvmap:
|
|
case Nif::BSLightingShaderType::ShaderType_Cloud:
|
|
case Nif::BSLightingShaderType::ShaderType_LODNoise:
|
|
case Nif::BSLightingShaderType::ShaderType_MultitexLandLODBlend:
|
|
case Nif::BSLightingShaderType::ShaderType_Dismemberment:
|
|
case Nif::BSLightingShaderType::ShaderType_Terrain:
|
|
Log(Debug::Warning) << "Unhandled BSLightingShaderType " << type << " in " << mFilename;
|
|
return "bs/default";
|
|
}
|
|
Log(Debug::Warning) << "Unknown BSLightingShaderType " << type << " in " << mFilename;
|
|
return "bs/default";
|
|
}
|
|
|
|
void handleProperty(const Nif::NiProperty* property, osg::Node* node,
|
|
SceneUtil::CompositeStateSetUpdater* composite, std::vector<unsigned int>& boundTextures, int animflags,
|
|
bool hasStencilProperty)
|
|
{
|
|
switch (property->recType)
|
|
{
|
|
case Nif::RC_NiStencilProperty:
|
|
{
|
|
const Nif::NiStencilProperty* stencilprop = static_cast<const Nif::NiStencilProperty*>(property);
|
|
|
|
osg::ref_ptr<osg::FrontFace> frontFace = new osg::FrontFace;
|
|
using DrawMode = Nif::NiStencilProperty::DrawMode;
|
|
switch (stencilprop->mDrawMode)
|
|
{
|
|
case DrawMode::Clockwise:
|
|
frontFace->setMode(osg::FrontFace::CLOCKWISE);
|
|
break;
|
|
case DrawMode::Default:
|
|
case DrawMode::CounterClockwise:
|
|
case DrawMode::Both:
|
|
default:
|
|
frontFace->setMode(osg::FrontFace::COUNTER_CLOCKWISE);
|
|
break;
|
|
}
|
|
frontFace = shareAttribute(frontFace);
|
|
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
stateset->setAttribute(frontFace, osg::StateAttribute::ON);
|
|
if (stencilprop->mDrawMode == DrawMode::Both)
|
|
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
|
|
else
|
|
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
|
|
|
|
if (stencilprop->mEnabled)
|
|
{
|
|
mHasStencilProperty = true;
|
|
osg::ref_ptr<osg::Stencil> stencil = new osg::Stencil;
|
|
stencil->setFunction(getStencilFunction(stencilprop->mTestFunction), stencilprop->mStencilRef,
|
|
stencilprop->mStencilMask);
|
|
stencil->setStencilFailOperation(getStencilOperation(stencilprop->mFailAction));
|
|
stencil->setStencilPassAndDepthFailOperation(getStencilOperation(stencilprop->mZFailAction));
|
|
stencil->setStencilPassAndDepthPassOperation(getStencilOperation(stencilprop->mPassAction));
|
|
stencil = shareAttribute(stencil);
|
|
|
|
stateset->setAttributeAndModes(stencil, osg::StateAttribute::ON);
|
|
}
|
|
break;
|
|
}
|
|
case Nif::RC_NiWireframeProperty:
|
|
{
|
|
const Nif::NiWireframeProperty* wireprop = static_cast<const Nif::NiWireframeProperty*>(property);
|
|
osg::ref_ptr<osg::PolygonMode> mode = new osg::PolygonMode;
|
|
mode->setMode(osg::PolygonMode::FRONT_AND_BACK,
|
|
wireprop->mEnable ? osg::PolygonMode::LINE : osg::PolygonMode::FILL);
|
|
mode = shareAttribute(mode);
|
|
node->getOrCreateStateSet()->setAttributeAndModes(mode, osg::StateAttribute::ON);
|
|
break;
|
|
}
|
|
case Nif::RC_NiZBufferProperty:
|
|
{
|
|
const Nif::NiZBufferProperty* zprop = static_cast<const Nif::NiZBufferProperty*>(property);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
// The test function from this property seems to be ignored.
|
|
handleDepthFlags(stateset, zprop->depthTest(), zprop->depthWrite());
|
|
break;
|
|
}
|
|
// OSG groups the material properties that NIFs have separate, so we have to parse them all again when
|
|
// one changed
|
|
case Nif::RC_NiMaterialProperty:
|
|
case Nif::RC_NiVertexColorProperty:
|
|
case Nif::RC_NiSpecularProperty:
|
|
{
|
|
// Handled on drawable level so we know whether vertex colors are available
|
|
break;
|
|
}
|
|
case Nif::RC_NiAlphaProperty:
|
|
{
|
|
// Handled on drawable level to prevent RenderBin nesting issues
|
|
break;
|
|
}
|
|
case Nif::RC_NiTexturingProperty:
|
|
{
|
|
const Nif::NiTexturingProperty* texprop = static_cast<const Nif::NiTexturingProperty*>(property);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
handleTextureProperty(texprop, node->getName(), stateset, composite, boundTextures, animflags);
|
|
node->setUserValue("applyMode", static_cast<int>(texprop->mApplyMode));
|
|
break;
|
|
}
|
|
case Nif::RC_BSShaderPPLightingProperty:
|
|
{
|
|
auto texprop = static_cast<const Nif::BSShaderPPLightingProperty*>(property);
|
|
bool shaderRequired = true;
|
|
node->setUserValue("shaderPrefix", std::string(getBSShaderPrefix(texprop->mType)));
|
|
node->setUserValue("shaderRequired", shaderRequired);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
clearBoundTextures(stateset, boundTextures);
|
|
const bool wrapS = (texprop->mClamp >> 1) & 0x1;
|
|
const bool wrapT = texprop->mClamp & 0x1;
|
|
if (!texprop->mTextureSet.empty())
|
|
handleTextureSet(
|
|
texprop->mTextureSet.getPtr(), wrapS, wrapT, node->getName(), stateset, boundTextures);
|
|
handleTextureControllers(texprop, composite, stateset, animflags);
|
|
if (texprop->refraction())
|
|
SceneUtil::setupDistortion(*node, texprop->mRefraction.mStrength);
|
|
break;
|
|
}
|
|
case Nif::RC_BSShaderNoLightingProperty:
|
|
{
|
|
auto texprop = static_cast<const Nif::BSShaderNoLightingProperty*>(property);
|
|
bool shaderRequired = true;
|
|
bool useFalloff = false;
|
|
node->setUserValue("shaderPrefix", std::string(getBSShaderPrefix(texprop->mType)));
|
|
node->setUserValue("shaderRequired", shaderRequired);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
clearBoundTextures(stateset, boundTextures);
|
|
if (!texprop->mFilename.empty())
|
|
{
|
|
const unsigned int uvSet = 0;
|
|
attachExternalTexture("diffuseMap", texprop->mFilename, texprop->wrapS(), texprop->wrapT(),
|
|
uvSet, stateset, boundTextures);
|
|
}
|
|
if (mBethVersion >= 27)
|
|
{
|
|
useFalloff = true;
|
|
stateset->addUniform(new osg::Uniform("falloffParams", texprop->mFalloffParams));
|
|
}
|
|
stateset->addUniform(new osg::Uniform("useFalloff", useFalloff));
|
|
handleTextureControllers(texprop, composite, stateset, animflags);
|
|
handleDepthFlags(stateset, texprop->depthTest(), texprop->depthWrite());
|
|
break;
|
|
}
|
|
case Nif::RC_BSLightingShaderProperty:
|
|
{
|
|
auto texprop = static_cast<const Nif::BSLightingShaderProperty*>(property);
|
|
bool shaderRequired = true;
|
|
node->setUserValue("shaderPrefix", std::string(getBSLightingShaderPrefix(texprop->mType)));
|
|
node->setUserValue("shaderRequired", shaderRequired);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
clearBoundTextures(stateset, boundTextures);
|
|
if (Bgsm::MaterialFilePtr material = getShaderMaterial(texprop->mName))
|
|
{
|
|
handleShaderMaterialNodeProperties(material, stateset, boundTextures);
|
|
break;
|
|
}
|
|
const bool wrapS = (texprop->mClamp >> 1) & 0x1;
|
|
const bool wrapT = texprop->mClamp & 0x1;
|
|
if (!texprop->mTextureSet.empty())
|
|
handleTextureSet(
|
|
texprop->mTextureSet.getPtr(), wrapS, wrapT, node->getName(), stateset, boundTextures);
|
|
handleTextureControllers(texprop, composite, stateset, animflags);
|
|
if (texprop->doubleSided())
|
|
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
|
|
if (texprop->treeAnim())
|
|
stateset->addUniform(new osg::Uniform("useTreeAnim", true));
|
|
handleDepthFlags(stateset, texprop->depthTest(), texprop->depthWrite());
|
|
if (texprop->refraction())
|
|
SceneUtil::setupDistortion(*node, texprop->mRefractionStrength);
|
|
break;
|
|
}
|
|
case Nif::RC_BSEffectShaderProperty:
|
|
{
|
|
auto texprop = static_cast<const Nif::BSEffectShaderProperty*>(property);
|
|
bool shaderRequired = true;
|
|
// TODO: implement BSEffectShader as a shader
|
|
node->setUserValue("shaderPrefix", std::string("bs/nolighting"));
|
|
node->setUserValue("shaderRequired", shaderRequired);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
clearBoundTextures(stateset, boundTextures);
|
|
if (Bgsm::MaterialFilePtr material = getShaderMaterial(texprop->mName))
|
|
{
|
|
handleShaderMaterialNodeProperties(material, stateset, boundTextures);
|
|
break;
|
|
}
|
|
if (!texprop->mSourceTexture.empty())
|
|
{
|
|
const unsigned int uvSet = 0;
|
|
const bool wrapS = (texprop->mClamp >> 1) & 0x1;
|
|
const bool wrapT = texprop->mClamp & 0x1;
|
|
unsigned int texUnit = boundTextures.size();
|
|
attachExternalTexture(
|
|
"diffuseMap", texprop->mSourceTexture, wrapS, wrapT, uvSet, stateset, boundTextures);
|
|
{
|
|
osg::ref_ptr<osg::TexMat> texMat(new osg::TexMat);
|
|
// This handles 20.2.0.7 UV settings like 4.0.0.2 UV settings (see NifOsg::UVController)
|
|
// TODO: verify
|
|
osg::Vec3f uvOrigin(0.5f, 0.5f, 0.f);
|
|
osg::Vec3f uvScale(texprop->mUVScale.x(), texprop->mUVScale.y(), 1.f);
|
|
osg::Vec3f uvTrans(-texprop->mUVOffset.x(), -texprop->mUVOffset.y(), 0.f);
|
|
|
|
osg::Matrixf mat = osg::Matrixf::translate(uvOrigin);
|
|
mat.preMultScale(uvScale);
|
|
mat.preMultTranslate(-uvOrigin);
|
|
mat.setTrans(mat.getTrans() + uvTrans);
|
|
|
|
texMat->setMatrix(mat);
|
|
stateset->setTextureAttributeAndModes(texUnit, texMat, osg::StateAttribute::ON);
|
|
}
|
|
}
|
|
bool useFalloff = texprop->useFalloff();
|
|
stateset->addUniform(new osg::Uniform("useFalloff", useFalloff));
|
|
if (useFalloff)
|
|
stateset->addUniform(new osg::Uniform("falloffParams", texprop->mFalloffParams));
|
|
handleTextureControllers(texprop, composite, stateset, animflags);
|
|
if (texprop->doubleSided())
|
|
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
|
|
handleDepthFlags(stateset, texprop->depthTest(), texprop->depthWrite());
|
|
break;
|
|
}
|
|
case Nif::RC_NiFogProperty:
|
|
{
|
|
const Nif::NiFogProperty* fogprop = static_cast<const Nif::NiFogProperty*>(property);
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
// Vertex alpha mode appears to be broken
|
|
if (!fogprop->vertexAlpha() && fogprop->enabled())
|
|
{
|
|
osg::ref_ptr<NifOsg::Fog> fog = new NifOsg::Fog;
|
|
fog->setMode(osg::Fog::LINEAR);
|
|
fog->setColor(osg::Vec4f(fogprop->mColour, 1.f));
|
|
fog->setDepth(fogprop->mFogDepth);
|
|
stateset->setAttributeAndModes(fog, osg::StateAttribute::ON);
|
|
// Intentionally ignoring radial fog flag
|
|
// We don't really want to override the global setting
|
|
}
|
|
else
|
|
{
|
|
osg::ref_ptr<osg::Fog> fog = new osg::Fog;
|
|
// Shaders don't respect glDisable(GL_FOG)
|
|
fog->setMode(osg::Fog::LINEAR);
|
|
fog->setStart(10000000);
|
|
fog->setEnd(10000000);
|
|
stateset->setAttributeAndModes(fog, osg::StateAttribute::OFF | osg::StateAttribute::OVERRIDE);
|
|
}
|
|
break;
|
|
}
|
|
// unused by mw
|
|
case Nif::RC_NiShadeProperty:
|
|
case Nif::RC_NiDitherProperty:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
Log(Debug::Info) << "Unhandled " << property->recName << " in " << mFilename;
|
|
break;
|
|
}
|
|
}
|
|
|
|
struct CompareStateAttribute
|
|
{
|
|
bool operator()(
|
|
const osg::ref_ptr<osg::StateAttribute>& left, const osg::ref_ptr<osg::StateAttribute>& right) const
|
|
{
|
|
return left->compare(*right) < 0;
|
|
}
|
|
};
|
|
|
|
// global sharing of State Attributes will reduce the number of GL calls as the osg::State will check by pointer
|
|
// to see if state is the same
|
|
template <class Attribute>
|
|
Attribute* shareAttribute(const osg::ref_ptr<Attribute>& attr)
|
|
{
|
|
typedef std::set<osg::ref_ptr<Attribute>, CompareStateAttribute> Cache;
|
|
static Cache sCache;
|
|
static std::mutex sMutex;
|
|
std::lock_guard<std::mutex> lock(sMutex);
|
|
typename Cache::iterator found = sCache.find(attr);
|
|
if (found == sCache.end())
|
|
found = sCache.insert(attr).first;
|
|
return *found;
|
|
}
|
|
|
|
void applyDrawableProperties(osg::Node* node, const std::vector<const Nif::NiProperty*>& properties,
|
|
SceneUtil::CompositeStateSetUpdater* composite, bool hasVertexColors, int animflags)
|
|
{
|
|
// Specular lighting is enabled by default, but there's a quirk...
|
|
bool specEnabled = true;
|
|
osg::ref_ptr<osg::Material> mat(new osg::Material);
|
|
mat->setColorMode(hasVertexColors ? osg::Material::AMBIENT_AND_DIFFUSE : osg::Material::OFF);
|
|
|
|
// NIF material defaults don't match OpenGL defaults
|
|
mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
|
|
bool hasMatCtrl = false;
|
|
bool hasSortAlpha = false;
|
|
|
|
auto setBin_BackToFront = [](osg::StateSet* ss) { ss->setRenderBinDetails(0, "SORT_BACK_TO_FRONT"); };
|
|
auto setBin_Traversal = [](osg::StateSet* ss) { ss->setRenderBinDetails(2, "TraversalOrderBin"); };
|
|
|
|
auto lightmode = Nif::NiVertexColorProperty::LightMode::LightMode_EmiAmbDif;
|
|
float emissiveMult = 1.f;
|
|
float specStrength = 1.f;
|
|
|
|
for (const Nif::NiProperty* property : properties)
|
|
{
|
|
switch (property->recType)
|
|
{
|
|
case Nif::RC_NiSpecularProperty:
|
|
{
|
|
// Specular property can turn specular lighting off.
|
|
// FIXME: NiMaterialColorController doesn't care about this.
|
|
auto specprop = static_cast<const Nif::NiSpecularProperty*>(property);
|
|
specEnabled = specprop->mEnable;
|
|
break;
|
|
}
|
|
case Nif::RC_NiMaterialProperty:
|
|
{
|
|
const Nif::NiMaterialProperty* matprop = static_cast<const Nif::NiMaterialProperty*>(property);
|
|
|
|
mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->mDiffuse, matprop->mAlpha));
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->mAmbient, 1.f));
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->mEmissive, 1.f));
|
|
emissiveMult = matprop->mEmissiveMult;
|
|
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->mSpecular, 1.f));
|
|
// NIFs may provide specular exponents way above OpenGL's limit.
|
|
// They can't be used properly, but we don't need OSG to constantly harass us about it.
|
|
float glossiness = std::clamp(matprop->mGlossiness, 0.f, 128.f);
|
|
mat->setShininess(osg::Material::FRONT_AND_BACK, glossiness);
|
|
|
|
if (!matprop->mController.empty())
|
|
{
|
|
hasMatCtrl = true;
|
|
handleMaterialControllers(matprop, composite, animflags, mat);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case Nif::RC_NiVertexColorProperty:
|
|
{
|
|
const Nif::NiVertexColorProperty* vertprop
|
|
= static_cast<const Nif::NiVertexColorProperty*>(property);
|
|
|
|
using VertexMode = Nif::NiVertexColorProperty::VertexMode;
|
|
switch (vertprop->mVertexMode)
|
|
{
|
|
case VertexMode::VertMode_SrcIgnore:
|
|
{
|
|
mat->setColorMode(osg::Material::OFF);
|
|
break;
|
|
}
|
|
case VertexMode::VertMode_SrcEmissive:
|
|
{
|
|
mat->setColorMode(osg::Material::EMISSION);
|
|
break;
|
|
}
|
|
case VertexMode::VertMode_SrcAmbDif:
|
|
{
|
|
lightmode = vertprop->mLightingMode;
|
|
using LightMode = Nif::NiVertexColorProperty::LightMode;
|
|
switch (lightmode)
|
|
{
|
|
case LightMode::LightMode_Emissive:
|
|
{
|
|
mat->setColorMode(osg::Material::OFF);
|
|
break;
|
|
}
|
|
case LightMode::LightMode_EmiAmbDif:
|
|
default:
|
|
{
|
|
mat->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case Nif::RC_NiAlphaProperty:
|
|
{
|
|
const Nif::NiAlphaProperty* alphaprop = static_cast<const Nif::NiAlphaProperty*>(property);
|
|
handleAlphaBlending(alphaprop->useAlphaBlending(), alphaprop->sourceBlendMode(),
|
|
alphaprop->destinationBlendMode(), !alphaprop->noSorter(), hasSortAlpha, *node);
|
|
handleAlphaTesting(alphaprop->useAlphaTesting(), getTestMode(alphaprop->alphaTestMode()),
|
|
alphaprop->mThreshold, *node);
|
|
break;
|
|
}
|
|
case Nif::RC_BSShaderPPLightingProperty:
|
|
{
|
|
auto shaderprop = static_cast<const Nif::BSShaderPPLightingProperty*>(property);
|
|
specEnabled = shaderprop->specular();
|
|
break;
|
|
}
|
|
case Nif::RC_BSLightingShaderProperty:
|
|
{
|
|
auto shaderprop = static_cast<const Nif::BSLightingShaderProperty*>(property);
|
|
if (Bgsm::MaterialFilePtr shaderMat = getShaderMaterial(shaderprop->mName))
|
|
{
|
|
handleShaderMaterialDrawableProperties(shaderMat, mat, *node, hasSortAlpha);
|
|
if (shaderMat->mShaderType == Bgsm::ShaderType::Lighting)
|
|
{
|
|
auto bgsm = static_cast<const Bgsm::BGSMFile*>(shaderMat.get());
|
|
specEnabled
|
|
= false; // bgsm->mSpecularEnabled; disabled until it can be implemented properly
|
|
specStrength = bgsm->mSpecularMult;
|
|
emissiveMult = bgsm->mEmittanceMult;
|
|
}
|
|
break;
|
|
}
|
|
mat->setAlpha(osg::Material::FRONT_AND_BACK, shaderprop->mAlpha);
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(shaderprop->mEmissive, 1.f));
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(shaderprop->mSpecular, 1.f));
|
|
float glossiness = std::clamp(shaderprop->mGlossiness, 0.f, 128.f);
|
|
mat->setShininess(osg::Material::FRONT_AND_BACK, glossiness);
|
|
emissiveMult = shaderprop->mEmissiveMult;
|
|
specStrength = shaderprop->mSpecStrength;
|
|
specEnabled = shaderprop->specular();
|
|
handleDecal(shaderprop->decal(), hasSortAlpha, *node);
|
|
break;
|
|
}
|
|
case Nif::RC_BSEffectShaderProperty:
|
|
{
|
|
auto shaderprop = static_cast<const Nif::BSEffectShaderProperty*>(property);
|
|
if (Bgsm::MaterialFilePtr shaderMat = getShaderMaterial(shaderprop->mName))
|
|
{
|
|
handleShaderMaterialDrawableProperties(shaderMat, mat, *node, hasSortAlpha);
|
|
break;
|
|
}
|
|
handleDecal(shaderprop->decal(), hasSortAlpha, *node);
|
|
if (shaderprop->softEffect())
|
|
SceneUtil::setupSoftEffect(
|
|
*node, shaderprop->mFalloffDepth, true, shaderprop->mFalloffDepth);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// While NetImmerse and Gamebryo support specular lighting, Morrowind has its support disabled.
|
|
if (mVersion <= Nif::NIFFile::VER_MW || !specEnabled)
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(0.f, 0.f, 0.f, 0.f));
|
|
|
|
if (lightmode == Nif::NiVertexColorProperty::LightMode::LightMode_Emissive)
|
|
{
|
|
osg::Vec4f diffuse = mat->getDiffuse(osg::Material::FRONT_AND_BACK);
|
|
diffuse = osg::Vec4f(0, 0, 0, diffuse.a());
|
|
mat->setDiffuse(osg::Material::FRONT_AND_BACK, diffuse);
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f());
|
|
}
|
|
|
|
// If we're told to use vertex colors but there are none to use, use a default color instead.
|
|
if (!hasVertexColors)
|
|
{
|
|
switch (mat->getColorMode())
|
|
{
|
|
case osg::Material::AMBIENT:
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
break;
|
|
case osg::Material::AMBIENT_AND_DIFFUSE:
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
break;
|
|
case osg::Material::EMISSION:
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(1, 1, 1, 1));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
mat->setColorMode(osg::Material::OFF);
|
|
}
|
|
|
|
if (!mPushedSorter && !hasSortAlpha && mHasStencilProperty)
|
|
setBin_Traversal(node->getOrCreateStateSet());
|
|
|
|
if (!mPushedSorter && !hasMatCtrl && mat->getColorMode() == osg::Material::OFF
|
|
&& mat->getEmission(osg::Material::FRONT_AND_BACK) == osg::Vec4f(0, 0, 0, 1)
|
|
&& mat->getDiffuse(osg::Material::FRONT_AND_BACK) == osg::Vec4f(1, 1, 1, 1)
|
|
&& mat->getAmbient(osg::Material::FRONT_AND_BACK) == osg::Vec4f(1, 1, 1, 1)
|
|
&& mat->getShininess(osg::Material::FRONT_AND_BACK) == 0
|
|
&& mat->getSpecular(osg::Material::FRONT_AND_BACK) == osg::Vec4f(0.f, 0.f, 0.f, 0.f))
|
|
{
|
|
// default state, skip
|
|
return;
|
|
}
|
|
|
|
mat = shareAttribute(mat);
|
|
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
stateset->setAttributeAndModes(mat, osg::StateAttribute::ON);
|
|
if (emissiveMult != 1.f)
|
|
stateset->addUniform(new osg::Uniform("emissiveMult", emissiveMult));
|
|
if (specStrength != 1.f)
|
|
stateset->addUniform(new osg::Uniform("specStrength", specStrength));
|
|
|
|
if (!mPushedSorter)
|
|
return;
|
|
|
|
auto assignBin = [&](Nif::NiSortAdjustNode::SortingMode mode, int type) {
|
|
if (mode == Nif::NiSortAdjustNode::SortingMode::Off)
|
|
{
|
|
setBin_Traversal(stateset);
|
|
return;
|
|
}
|
|
|
|
if (type == Nif::RC_NiAlphaAccumulator)
|
|
{
|
|
if (hasSortAlpha)
|
|
setBin_BackToFront(stateset);
|
|
else
|
|
setBin_Traversal(stateset);
|
|
}
|
|
else if (type == Nif::RC_NiClusterAccumulator)
|
|
setBin_BackToFront(stateset);
|
|
else
|
|
Log(Debug::Error) << "Unrecognized NiAccumulator in " << mFilename;
|
|
};
|
|
|
|
switch (mPushedSorter->mMode)
|
|
{
|
|
case Nif::NiSortAdjustNode::SortingMode::Inherit:
|
|
{
|
|
if (mLastAppliedNoInheritSorter)
|
|
assignBin(mLastAppliedNoInheritSorter->mMode, mLastAppliedNoInheritSorter->mSubSorter->recType);
|
|
else
|
|
assignBin(mPushedSorter->mMode, Nif::RC_NiAlphaAccumulator);
|
|
break;
|
|
}
|
|
case Nif::NiSortAdjustNode::SortingMode::Off:
|
|
{
|
|
setBin_Traversal(stateset);
|
|
break;
|
|
}
|
|
case Nif::NiSortAdjustNode::SortingMode::Subsort:
|
|
{
|
|
assignBin(mPushedSorter->mMode, mPushedSorter->mSubSorter->recType);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
osg::ref_ptr<osg::Node> Loader::load(
|
|
Nif::FileView file, Resource::ImageManager* imageManager, Resource::BgsmFileManager* materialManager)
|
|
{
|
|
LoaderImpl impl(file.getFilename(), file.getVersion(), file.getUserVersion(), file.getBethVersion());
|
|
impl.mMaterialManager = materialManager;
|
|
impl.mImageManager = imageManager;
|
|
return impl.load(file);
|
|
}
|
|
|
|
void Loader::loadKf(Nif::FileView kf, SceneUtil::KeyframeHolder& target)
|
|
{
|
|
LoaderImpl impl(kf.getFilename(), kf.getVersion(), kf.getUserVersion(), kf.getBethVersion());
|
|
impl.loadKf(kf, target);
|
|
}
|
|
|
|
}
|