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1685 lines
78 KiB
C++
1685 lines
78 KiB
C++
#include "nifloader.hpp"
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#include <osg/Matrixf>
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#include <osg/MatrixTransform>
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#include <osg/Geometry>
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#include <osg/Array>
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#include <osg/LOD>
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#include <osg/TexGen>
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#include <osg/ValueObject>
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// resource
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#include <components/misc/stringops.hpp>
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#include <components/misc/resourcehelpers.hpp>
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#include <components/resource/imagemanager.hpp>
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// particle
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#include <osgParticle/ParticleSystem>
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#include <osgParticle/ParticleSystemUpdater>
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#include <osgParticle/ConstantRateCounter>
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#include <osgParticle/Shooter>
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#include <osgParticle/BoxPlacer>
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#include <osgParticle/ModularProgram>
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#include <osg/BlendFunc>
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#include <osg/AlphaFunc>
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#include <osg/Depth>
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#include <osg/PolygonMode>
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#include <osg/FrontFace>
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#include <osg/Stencil>
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#include <osg/Material>
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#include <osg/Texture2D>
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#include <osg/TexEnv>
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#include <osg/TexEnvCombine>
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#include <components/nif/node.hpp>
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#include <components/nif/effect.hpp>
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#include <components/sceneutil/skeleton.hpp>
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#include <components/sceneutil/riggeometry.hpp>
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#include <components/sceneutil/morphgeometry.hpp>
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#include "particle.hpp"
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#include "userdata.hpp"
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namespace
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{
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void getAllNiNodes(const Nif::Node* node, std::vector<int>& outIndices)
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{
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const Nif::NiNode* ninode = dynamic_cast<const Nif::NiNode*>(node);
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if (ninode)
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{
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outIndices.push_back(ninode->recIndex);
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for (unsigned int i=0; i<ninode->children.length(); ++i)
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if (!ninode->children[i].empty())
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getAllNiNodes(ninode->children[i].getPtr(), outIndices);
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}
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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 node hierarchy above it.
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void collectDrawableProperties(const Nif::Node* nifNode, std::vector<const Nif::Property*>& out)
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{
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const Nif::PropertyList& props = nifNode->props;
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for (size_t i = 0; i <props.length();++i)
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{
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if (!props[i].empty())
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{
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switch (props[i]->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(props[i].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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if (nifNode->parent)
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collectDrawableProperties(nifNode->parent, out);
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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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// Must be set as a cull callback.
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class BillboardCallback : public osg::NodeCallback
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{
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public:
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BillboardCallback()
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{
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}
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BillboardCallback(const BillboardCallback& copy, const osg::CopyOp& copyop)
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: osg::NodeCallback(copy, copyop)
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{
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}
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META_Object(NifOsg, BillboardCallback)
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virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
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{
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osgUtil::CullVisitor* cv = static_cast<osgUtil::CullVisitor*>(nv);
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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) + 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, nv);
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cv->popModelViewMatrix();
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}
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};
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void extractTextKeys(const Nif::NiTextKeyExtraData *tk, NifOsg::TextKeyMap &textkeys)
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{
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for(size_t i = 0;i < tk->list.size();i++)
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{
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const std::string &str = tk->list[i].text;
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std::string::size_type pos = 0;
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while(pos < str.length())
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{
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if(::isspace(str[pos]))
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{
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pos++;
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continue;
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}
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std::string::size_type nextpos = std::min(str.find('\r', pos), str.find('\n', pos));
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if(nextpos != std::string::npos)
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{
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do {
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nextpos--;
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} while(nextpos > pos && ::isspace(str[nextpos]));
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nextpos++;
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}
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else if(::isspace(*str.rbegin()))
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{
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std::string::const_iterator last = str.end();
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do {
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--last;
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} while(last != str.begin() && ::isspace(*last));
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nextpos = std::distance(str.begin(), ++last);
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}
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std::string result = str.substr(pos, nextpos-pos);
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textkeys.insert(std::make_pair(tk->list[i].time, Misc::StringUtils::lowerCase(result)));
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pos = nextpos;
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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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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::string& filename)
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: mFilename(filename), mFirstRootTextureIndex(-1), mFoundFirstRootTexturingProperty(false)
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{
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}
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std::string mFilename;
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size_t mFirstRootTextureIndex;
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bool mFoundFirstRootTexturingProperty;
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static void loadKf(Nif::NIFFilePtr nif, KeyframeHolder& target)
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{
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if(nif->numRoots() < 1)
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{
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nif->warn("Found no root nodes");
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return;
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}
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const Nif::Record *r = nif->getRoot(0);
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assert(r != NULL);
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if(r->recType != Nif::RC_NiSequenceStreamHelper)
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{
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nif->warn("First root was not a NiSequenceStreamHelper, but a "+
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r->recName+".");
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return;
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}
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const Nif::NiSequenceStreamHelper *seq = static_cast<const Nif::NiSequenceStreamHelper*>(r);
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Nif::ExtraPtr extra = seq->extra;
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if(extra.empty() || extra->recType != Nif::RC_NiTextKeyExtraData)
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{
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nif->warn("First extra data was not a NiTextKeyExtraData, but a "+
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(extra.empty() ? std::string("nil") : extra->recName)+".");
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return;
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}
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extractTextKeys(static_cast<const Nif::NiTextKeyExtraData*>(extra.getPtr()), target.mTextKeys);
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extra = extra->extra;
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Nif::ControllerPtr ctrl = seq->controller;
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for(;!extra.empty() && !ctrl.empty();(extra=extra->extra),(ctrl=ctrl->next))
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{
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if(extra->recType != Nif::RC_NiStringExtraData || ctrl->recType != Nif::RC_NiKeyframeController)
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{
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nif->warn("Unexpected extra data "+extra->recName+" with controller "+ctrl->recName);
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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->data.empty())
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continue;
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osg::ref_ptr<NifOsg::KeyframeController> callback(new NifOsg::KeyframeController(key->data.getPtr()));
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callback->setFunction(std::shared_ptr<NifOsg::ControllerFunction>(new NifOsg::ControllerFunction(key)));
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if (target.mKeyframeControllers.find(strdata->string) != target.mKeyframeControllers.end())
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std::cerr << "Warning: controller " << strdata->string << " present more than once in " << nif->getFilename() << ", ignoring later version" << std::endl;
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else
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target.mKeyframeControllers[strdata->string] = callback;
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}
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}
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osg::ref_ptr<osg::Node> load(Nif::NIFFilePtr nif, Resource::ImageManager* imageManager)
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{
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if (nif->numRoots() < 1)
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nif->fail("Found no root nodes");
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const Nif::Record* r = nif->getRoot(0);
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const Nif::Node* nifNode = dynamic_cast<const Nif::Node*>(r);
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if (nifNode == NULL)
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nif->fail("First root was not a node, but a " + r->recName);
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osg::ref_ptr<TextKeyMapHolder> textkeys (new TextKeyMapHolder);
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osg::ref_ptr<osg::Node> created = handleNode(nifNode, NULL, imageManager, std::vector<int>(), 0, false, false, false, &textkeys->mTextKeys);
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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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osg::Group* root = created->asGroup();
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if (root && root->getDataVariance() == osg::Object::STATIC && !root->asTransform())
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{
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skel->setStateSet(root->getStateSet());
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skel->setName(root->getName());
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for (unsigned int i=0; i<root->getNumChildren(); ++i)
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skel->addChild(root->getChild(i));
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root->removeChildren(0, root->getNumChildren());
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}
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else
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skel->addChild(created);
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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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return created;
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}
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void applyNodeProperties(const Nif::Node *nifNode, osg::Node *applyTo, SceneUtil::CompositeStateSetUpdater* composite, Resource::ImageManager* imageManager, std::vector<int>& boundTextures, int animflags)
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{
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const Nif::PropertyList& props = nifNode->props;
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for (size_t i = 0; i <props.length(); ++i)
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{
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if (!props[i].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->parent == NULL && !mFoundFirstRootTexturingProperty && props[i].getPtr()->recType == Nif::RC_NiTexturingProperty)
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{
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mFirstRootTextureIndex = props[i].getPtr()->recIndex;
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mFoundFirstRootTexturingProperty = true;
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}
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else if (props[i].getPtr()->recType == Nif::RC_NiTexturingProperty)
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{
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if (props[i].getPtr()->recIndex == mFirstRootTextureIndex)
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applyTo->setUserValue("overrideFx", 1);
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}
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handleProperty(props[i].getPtr(), applyTo, composite, imageManager, boundTextures, animflags);
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}
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}
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}
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void setupController(const Nif::Controller* 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::shared_ptr<SceneUtil::ControllerSource>(new SceneUtil::FrameTimeSource));
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toSetup->setFunction(std::shared_ptr<ControllerFunction>(new ControllerFunction(ctrl)));
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}
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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->setCenterMode(osg::LOD::USER_DEFINED_CENTER);
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lod->setCenter(niLodNode->lodCenter);
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for (unsigned int i=0; i<niLodNode->lodLevels.size(); ++i)
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{
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const Nif::NiLODNode::LODRange& range = niLodNode->lodLevels[i];
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lod->setRange(i, range.minRange, range.maxRange);
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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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osg::ref_ptr<osg::Image> handleSourceTexture(const Nif::NiSourceTexture* st, Resource::ImageManager* imageManager)
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{
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if (!st)
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return NULL;
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osg::ref_ptr<osg::Image> image;
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if (!st->external && !st->data.empty())
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{
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image = handleInternalTexture(st->data.getPtr());
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}
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else
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{
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std::string filename = Misc::ResourceHelpers::correctTexturePath(st->filename, imageManager->getVFS());
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image = imageManager->getImage(filename);
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}
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return image;
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}
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void handleEffect(const Nif::Node* nifNode, osg::Node* node, Resource::ImageManager* imageManager)
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{
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if (nifNode->recType != Nif::RC_NiTextureEffect)
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{
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std::cerr << "Unhandled effect " << nifNode->recName << " in " << mFilename << std::endl;
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return;
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}
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const Nif::NiTextureEffect* textureEffect = static_cast<const Nif::NiTextureEffect*>(nifNode);
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if (textureEffect->textureType != Nif::NiTextureEffect::Environment_Map)
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{
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std::cerr << "Unhandled NiTextureEffect type " << textureEffect->textureType << " in " << mFilename << std::endl;
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return;
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}
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if (textureEffect->texture.empty())
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{
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std::cerr << "NiTextureEffect missing source texture in " << mFilename << std::endl;
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return;
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}
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osg::ref_ptr<osg::TexGen> texGen (new osg::TexGen);
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switch (textureEffect->coordGenType)
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{
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case Nif::NiTextureEffect::World_Parallel:
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texGen->setMode(osg::TexGen::OBJECT_LINEAR);
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break;
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case Nif::NiTextureEffect::World_Perspective:
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texGen->setMode(osg::TexGen::EYE_LINEAR);
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break;
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case Nif::NiTextureEffect::Sphere_Map:
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texGen->setMode(osg::TexGen::SPHERE_MAP);
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break;
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default:
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std::cerr << "Unhandled NiTextureEffect coordGenType " << textureEffect->coordGenType << " in " << mFilename << std::endl;
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return;
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}
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osg::ref_ptr<osg::Texture2D> texture2d (new osg::Texture2D(handleSourceTexture(textureEffect->texture.getPtr(), imageManager)));
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texture2d->setName("envMap");
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unsigned int clamp = static_cast<unsigned int>(textureEffect->clamp);
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int wrapT = (clamp) & 0x1;
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int wrapS = (clamp >> 1) & 0x1;
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texture2d->setWrap(osg::Texture::WRAP_S, wrapS ? osg::Texture::REPEAT : osg::Texture::CLAMP);
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texture2d->setWrap(osg::Texture::WRAP_T, wrapT ? osg::Texture::REPEAT : osg::Texture::CLAMP);
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osg::ref_ptr<osg::TexEnvCombine> texEnv = new osg::TexEnvCombine;
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texEnv->setCombine_Alpha(osg::TexEnvCombine::REPLACE);
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texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
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texEnv->setCombine_RGB(osg::TexEnvCombine::ADD);
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texEnv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
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texEnv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
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int texUnit = 3; // FIXME
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osg::StateSet* stateset = node->getOrCreateStateSet();
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stateset->setTextureAttributeAndModes(texUnit, texture2d, osg::StateAttribute::ON);
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stateset->setTextureAttributeAndModes(texUnit, texGen, osg::StateAttribute::ON);
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stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
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stateset->addUniform(new osg::Uniform("envMapColor", osg::Vec4f(1,1,1,1)));
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}
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// Get a default dataVariance for this node to be used as a hint by optimization (post)routines
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osg::ref_ptr<osg::Group> createNode(const Nif::Node* nifNode)
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{
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osg::ref_ptr<osg::Group> node;
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osg::Object::DataVariance dataVariance = osg::Object::UNSPECIFIED;
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switch (nifNode->recType)
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{
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case Nif::RC_NiTriShape:
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case Nif::RC_NiAutoNormalParticles:
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case Nif::RC_NiRotatingParticles:
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// Leaf nodes in the NIF hierarchy, so won't be able to dynamically attach children.
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// No support for keyframe controllers (just crashes in the original engine).
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if (nifNode->trafo.isIdentity())
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node = new osg::Group;
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dataVariance = osg::Object::STATIC;
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break;
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case Nif::RC_NiBillboardNode:
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dataVariance = osg::Object::DYNAMIC;
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break;
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default:
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// The Root node can be created as a Group if no transformation is required.
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// This takes advantage of the fact root nodes can't have additional controllers
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// loaded from an external .kf file (original engine just throws "can't find node" errors if you try).
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if (!nifNode->parent && nifNode->controller.empty() && nifNode->trafo.isIdentity())
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{
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node = new osg::Group;
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dataVariance = osg::Object::STATIC;
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}
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else
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{
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dataVariance = (nifNode->controller.empty() ? osg::Object::STATIC : osg::Object::DYNAMIC);
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}
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if (nifNode->isBone)
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dataVariance = osg::Object::DYNAMIC;
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break;
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}
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if (!node)
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node = new osg::MatrixTransform(nifNode->trafo.toMatrix());
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node->setDataVariance(dataVariance);
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return node;
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}
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osg::ref_ptr<osg::Node> handleNode(const Nif::Node* nifNode, osg::Group* parentNode, Resource::ImageManager* imageManager,
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std::vector<int> boundTextures, int animflags, bool skipMeshes, bool hasMarkers, bool isAnimated, TextKeyMap* textKeys, osg::Node* rootNode=NULL)
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{
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if (rootNode != NULL && Misc::StringUtils::ciEqual(nifNode->name, "Bounding Box"))
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return NULL;
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|
|
osg::ref_ptr<osg::Group> node = createNode(nifNode);
|
|
|
|
if (nifNode->recType == Nif::RC_NiBillboardNode)
|
|
{
|
|
node->addCullCallback(new BillboardCallback);
|
|
}
|
|
|
|
if (!nifNode->controller.empty() && nifNode->controller->recType == Nif::RC_NiKeyframeController)
|
|
isAnimated = true;
|
|
|
|
node->setName(nifNode->name);
|
|
|
|
if (parentNode)
|
|
parentNode->addChild(node);
|
|
|
|
if (!rootNode)
|
|
rootNode = node;
|
|
|
|
// UserData 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
|
|
// - storing the previous 3x3 rotation and scale values for when a KeyframeController wants to
|
|
// change only certain elements of the 4x4 transform
|
|
node->getOrCreateUserDataContainer()->addUserObject(
|
|
new NodeUserData(nifNode->recIndex, nifNode->trafo.scale, nifNode->trafo.rotation));
|
|
|
|
for (Nif::ExtraPtr e = nifNode->extra; !e.empty(); e = e->extra)
|
|
{
|
|
if(e->recType == Nif::RC_NiTextKeyExtraData && textKeys)
|
|
{
|
|
const Nif::NiTextKeyExtraData *tk = static_cast<const Nif::NiTextKeyExtraData*>(e.getPtr());
|
|
extractTextKeys(tk, *textKeys);
|
|
}
|
|
else if(e->recType == Nif::RC_NiStringExtraData)
|
|
{
|
|
const Nif::NiStringExtraData *sd = static_cast<const Nif::NiStringExtraData*>(e.getPtr());
|
|
// String markers may contain important information
|
|
// affecting the entire subtree of this obj
|
|
if(sd->string == "MRK" && !Loader::getShowMarkers())
|
|
{
|
|
// Marker objects. These meshes are only visible in the editor.
|
|
hasMarkers = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiBSAnimationNode || nifNode->recType == Nif::RC_NiBSParticleNode)
|
|
animflags = nifNode->flags;
|
|
|
|
// 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)
|
|
{
|
|
skipMeshes = true;
|
|
// Leave mask for UpdateVisitor enabled
|
|
node->setNodeMask(0x1);
|
|
}
|
|
|
|
// We can skip creating meshes for hidden nodes if they don't have a VisController that
|
|
// might make them visible later
|
|
if (nifNode->flags & Nif::NiNode::Flag_Hidden)
|
|
{
|
|
bool hasVisController = false;
|
|
for (Nif::ControllerPtr ctrl = nifNode->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
hasVisController = (ctrl->recType == Nif::RC_NiVisController);
|
|
|
|
if (!hasVisController)
|
|
skipMeshes = true; // skip child meshes, but still create the child node hierarchy for animating collision shapes
|
|
|
|
// now hide this node, but leave the mask for UpdateVisitor enabled so that KeyframeController works
|
|
node->setNodeMask(0x1);
|
|
}
|
|
|
|
if ((skipMeshes || hasMarkers) && isAnimated) // make sure the empty node is not optimized away so the physicssystem can find it.
|
|
{
|
|
node->setDataVariance(osg::Object::DYNAMIC);
|
|
}
|
|
|
|
if (nifNode->recType == Nif::RC_NiTriShape && isAnimated) // the same thing for animated NiTriShapes
|
|
{
|
|
node->setDataVariance(osg::Object::DYNAMIC);
|
|
}
|
|
|
|
osg::ref_ptr<SceneUtil::CompositeStateSetUpdater> composite = new SceneUtil::CompositeStateSetUpdater;
|
|
|
|
applyNodeProperties(nifNode, node, composite, imageManager, boundTextures, animflags);
|
|
|
|
if (nifNode->recType == Nif::RC_NiTriShape && !skipMeshes)
|
|
{
|
|
const Nif::NiTriShape* triShape = static_cast<const Nif::NiTriShape*>(nifNode);
|
|
const std::string nodeName = Misc::StringUtils::lowerCase(triShape->name);
|
|
static const std::string pattern = "tri editormarker";
|
|
if (!hasMarkers || nodeName.compare(0, pattern.size(), pattern) != 0)
|
|
{
|
|
if (triShape->skin.empty())
|
|
handleTriShape(triShape, node, composite, boundTextures, animflags);
|
|
else
|
|
handleSkinnedTriShape(triShape, node, composite, boundTextures, animflags);
|
|
|
|
if (!nifNode->controller.empty())
|
|
handleMeshControllers(nifNode, node, composite, boundTextures, animflags);
|
|
}
|
|
}
|
|
|
|
if(nifNode->recType == Nif::RC_NiAutoNormalParticles || nifNode->recType == Nif::RC_NiRotatingParticles)
|
|
handleParticleSystem(nifNode, node, composite, animflags, rootNode);
|
|
|
|
if (composite->getNumControllers() > 0)
|
|
node->addUpdateCallback(composite);
|
|
|
|
// Note: NiTriShapes are not allowed to have KeyframeControllers (the vanilla engine just crashes when there is one).
|
|
// We can take advantage of this constraint for optimizations later.
|
|
if (nifNode->recType != Nif::RC_NiTriShape && !nifNode->controller.empty() && node->getDataVariance() == osg::Object::DYNAMIC)
|
|
handleNodeControllers(nifNode, static_cast<osg::MatrixTransform*>(node.get()), animflags);
|
|
|
|
if (nifNode->recType == Nif::RC_NiLODNode)
|
|
{
|
|
const Nif::NiLODNode* niLodNode = static_cast<const Nif::NiLODNode*>(nifNode);
|
|
osg::ref_ptr<osg::LOD> lod = handleLodNode(niLodNode);
|
|
node->addChild(lod); // unsure if LOD should be above or below this node's transform
|
|
node = lod;
|
|
}
|
|
|
|
const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(nifNode);
|
|
if(ninode)
|
|
{
|
|
const Nif::NodeList &effects = ninode->effects;
|
|
for (size_t i = 0; i < effects.length(); ++i)
|
|
{
|
|
if (!effects[i].empty())
|
|
handleEffect(effects[i].getPtr(), node, imageManager);
|
|
}
|
|
|
|
const Nif::NodeList &children = ninode->children;
|
|
for(size_t i = 0;i < children.length();++i)
|
|
{
|
|
if(!children[i].empty())
|
|
handleNode(children[i].getPtr(), node, imageManager, boundTextures, animflags, skipMeshes, hasMarkers, isAnimated, textKeys, rootNode);
|
|
}
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
void handleMeshControllers(const Nif::Node *nifNode, osg::Node* node, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int> &boundTextures, int animflags)
|
|
{
|
|
for (Nif::ControllerPtr ctrl = nifNode->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiUVController)
|
|
{
|
|
const Nif::NiUVController *niuvctrl = static_cast<const Nif::NiUVController*>(ctrl.getPtr());
|
|
std::set<int> texUnits;
|
|
for (unsigned int i=0; i<boundTextures.size(); ++i)
|
|
texUnits.insert(i);
|
|
|
|
osg::ref_ptr<UVController> uvctrl = new UVController(niuvctrl->data.getPtr(), texUnits);
|
|
setupController(niuvctrl, uvctrl, animflags);
|
|
composite->addController(uvctrl);
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiVisController)
|
|
{
|
|
handleVisController(static_cast<const Nif::NiVisController*>(ctrl.getPtr()), node, animflags);
|
|
}
|
|
else if(ctrl->recType == Nif::RC_NiGeomMorpherController)
|
|
{} // handled in handleTriShape
|
|
else
|
|
std::cerr << "Unhandled controller " << ctrl->recName << " on node " << nifNode->recIndex << " in " << mFilename << std::endl;
|
|
}
|
|
}
|
|
|
|
void handleNodeControllers(const Nif::Node* nifNode, osg::MatrixTransform* transformNode, int animflags)
|
|
{
|
|
for (Nif::ControllerPtr ctrl = nifNode->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiKeyframeController)
|
|
{
|
|
const Nif::NiKeyframeController *key = static_cast<const Nif::NiKeyframeController*>(ctrl.getPtr());
|
|
if(!key->data.empty())
|
|
{
|
|
osg::ref_ptr<KeyframeController> callback(new KeyframeController(key->data.getPtr()));
|
|
|
|
setupController(key, callback, animflags);
|
|
transformNode->addUpdateCallback(callback);
|
|
}
|
|
}
|
|
else if (ctrl->recType == Nif::RC_NiVisController)
|
|
{
|
|
handleVisController(static_cast<const Nif::NiVisController*>(ctrl.getPtr()), transformNode, animflags);
|
|
}
|
|
else
|
|
std::cerr << "Unhandled controller " << ctrl->recName << " on node " << nifNode->recIndex << " in " << mFilename << std::endl;
|
|
}
|
|
}
|
|
|
|
void handleVisController(const Nif::NiVisController* visctrl, osg::Node* node, int animflags)
|
|
{
|
|
osg::ref_ptr<VisController> callback(new VisController(visctrl->data.getPtr()));
|
|
setupController(visctrl, callback, animflags);
|
|
node->addUpdateCallback(callback);
|
|
}
|
|
|
|
void handleMaterialControllers(const Nif::Property *materialProperty, SceneUtil::CompositeStateSetUpdater* composite, int animflags)
|
|
{
|
|
for (Nif::ControllerPtr ctrl = materialProperty->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiAlphaController)
|
|
{
|
|
const Nif::NiAlphaController* alphactrl = static_cast<const Nif::NiAlphaController*>(ctrl.getPtr());
|
|
osg::ref_ptr<AlphaController> osgctrl(new AlphaController(alphactrl->data.getPtr()));
|
|
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());
|
|
osg::ref_ptr<MaterialColorController> osgctrl(new MaterialColorController(matctrl->data.getPtr()));
|
|
setupController(matctrl, osgctrl, animflags);
|
|
composite->addController(osgctrl);
|
|
}
|
|
else
|
|
std::cerr << "Unexpected material controller " << ctrl->recType << " in " << mFilename << std::endl;
|
|
}
|
|
}
|
|
|
|
void handleTextureControllers(const Nif::Property *texProperty, SceneUtil::CompositeStateSetUpdater* composite, Resource::ImageManager* imageManager, osg::StateSet *stateset, int animflags)
|
|
{
|
|
for (Nif::ControllerPtr ctrl = texProperty->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if (ctrl->recType == Nif::RC_NiFlipController)
|
|
{
|
|
const Nif::NiFlipController* flipctrl = static_cast<const Nif::NiFlipController*>(ctrl.getPtr());
|
|
std::vector<osg::ref_ptr<osg::Texture2D> > textures;
|
|
for (unsigned int i=0; i<flipctrl->mSources.length(); ++i)
|
|
{
|
|
Nif::NiSourceTexturePtr st = flipctrl->mSources[i];
|
|
if (st.empty())
|
|
continue;
|
|
|
|
// inherit wrap settings from the target slot
|
|
osg::Texture2D* inherit = dynamic_cast<osg::Texture2D*>(stateset->getTextureAttribute(flipctrl->mTexSlot, osg::StateAttribute::TEXTURE));
|
|
osg::Texture2D::WrapMode wrapS = osg::Texture2D::CLAMP;
|
|
osg::Texture2D::WrapMode wrapT = osg::Texture2D::CLAMP;
|
|
if (inherit)
|
|
{
|
|
wrapS = inherit->getWrap(osg::Texture2D::WRAP_S);
|
|
wrapT = inherit->getWrap(osg::Texture2D::WRAP_T);
|
|
}
|
|
|
|
osg::ref_ptr<osg::Texture2D> texture (new osg::Texture2D(handleSourceTexture(st.getPtr(), imageManager)));
|
|
texture->setWrap(osg::Texture::WRAP_S, wrapS);
|
|
texture->setWrap(osg::Texture::WRAP_T, wrapT);
|
|
textures.push_back(texture);
|
|
}
|
|
osg::ref_ptr<FlipController> callback(new FlipController(flipctrl, textures));
|
|
setupController(ctrl.getPtr(), callback, animflags);
|
|
composite->addController(callback);
|
|
}
|
|
else
|
|
std::cerr << "Unexpected texture controller " << ctrl->recName << " in " << mFilename << std::endl;
|
|
}
|
|
}
|
|
|
|
void handleParticlePrograms(Nif::ExtraPtr affectors, Nif::ExtraPtr colliders, 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 (; !affectors.empty(); affectors = affectors->extra)
|
|
{
|
|
if (affectors->recType == Nif::RC_NiParticleGrowFade)
|
|
{
|
|
const Nif::NiParticleGrowFade *gf = static_cast<const Nif::NiParticleGrowFade*>(affectors.getPtr());
|
|
program->addOperator(new GrowFadeAffector(gf->growTime, gf->fadeTime));
|
|
}
|
|
else if (affectors->recType == Nif::RC_NiGravity)
|
|
{
|
|
const Nif::NiGravity* gr = static_cast<const Nif::NiGravity*>(affectors.getPtr());
|
|
program->addOperator(new GravityAffector(gr));
|
|
}
|
|
else if (affectors->recType == Nif::RC_NiParticleColorModifier)
|
|
{
|
|
const Nif::NiParticleColorModifier *cl = static_cast<const Nif::NiParticleColorModifier*>(affectors.getPtr());
|
|
const Nif::NiColorData *clrdata = cl->data.getPtr();
|
|
program->addOperator(new ParticleColorAffector(clrdata));
|
|
}
|
|
else if (affectors->recType == Nif::RC_NiParticleRotation)
|
|
{
|
|
// unused
|
|
}
|
|
else
|
|
std::cerr << "Unhandled particle modifier " << affectors->recName << " in " << mFilename << std::endl;
|
|
}
|
|
for (; !colliders.empty(); colliders = colliders->extra)
|
|
{
|
|
if (colliders->recType == Nif::RC_NiPlanarCollider)
|
|
{
|
|
const Nif::NiPlanarCollider* planarcollider = static_cast<const Nif::NiPlanarCollider*>(colliders.getPtr());
|
|
program->addOperator(new PlanarCollider(planarcollider));
|
|
}
|
|
else if (colliders->recType == Nif::RC_NiSphericalCollider)
|
|
{
|
|
const Nif::NiSphericalCollider* sphericalcollider = static_cast<const Nif::NiSphericalCollider*>(colliders.getPtr());
|
|
program->addOperator(new SphericalCollider(sphericalcollider));
|
|
}
|
|
else
|
|
std::cerr << "Unhandled particle collider " << colliders->recName << " in " << mFilename << std::endl;
|
|
}
|
|
}
|
|
|
|
// Load the initial state of the particle system, i.e. the initial particles and their positions, velocity and colors.
|
|
void handleParticleInitialState(const Nif::Node* nifNode, osgParticle::ParticleSystem* partsys, const Nif::NiParticleSystemController* partctrl)
|
|
{
|
|
const Nif::NiAutoNormalParticlesData *particledata = NULL;
|
|
if(nifNode->recType == Nif::RC_NiAutoNormalParticles)
|
|
particledata = static_cast<const Nif::NiAutoNormalParticles*>(nifNode)->data.getPtr();
|
|
else if(nifNode->recType == Nif::RC_NiRotatingParticles)
|
|
particledata = static_cast<const Nif::NiRotatingParticles*>(nifNode)->data.getPtr();
|
|
else
|
|
return;
|
|
|
|
osg::BoundingBox box;
|
|
|
|
int i=0;
|
|
for (std::vector<Nif::NiParticleSystemController::Particle>::const_iterator it = partctrl->particles.begin();
|
|
i<particledata->activeCount && it != partctrl->particles.end(); ++it, ++i)
|
|
{
|
|
const Nif::NiParticleSystemController::Particle& particle = *it;
|
|
|
|
ParticleAgeSetter particletemplate(std::max(0.f, particle.lifetime));
|
|
|
|
osgParticle::Particle* created = partsys->createParticle(&particletemplate);
|
|
created->setLifeTime(std::max(0.f, particle.lifespan));
|
|
|
|
// 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.velocity);
|
|
const osg::Vec3f& position = particledata->vertices.at(particle.vertex);
|
|
created->setPosition(position);
|
|
|
|
osg::Vec4f partcolor (1.f,1.f,1.f,1.f);
|
|
if (particle.vertex < int(particledata->colors.size()))
|
|
partcolor = particledata->colors.at(particle.vertex);
|
|
|
|
float size = particledata->sizes.at(particle.vertex) * partctrl->size;
|
|
|
|
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->radius));
|
|
|
|
partsys->setInitialBound(box);
|
|
}
|
|
|
|
osg::ref_ptr<Emitter> handleParticleEmitter(const Nif::NiParticleSystemController* partctrl)
|
|
{
|
|
std::vector<int> targets;
|
|
if (partctrl->recType == Nif::RC_NiBSPArrayController)
|
|
{
|
|
getAllNiNodes(partctrl->emitter.getPtr(), targets);
|
|
}
|
|
|
|
osg::ref_ptr<Emitter> emitter = new Emitter(targets);
|
|
|
|
osgParticle::ConstantRateCounter* counter = new osgParticle::ConstantRateCounter;
|
|
if (partctrl->emitFlags & Nif::NiParticleSystemController::NoAutoAdjust)
|
|
counter->setNumberOfParticlesPerSecondToCreate(partctrl->emitRate);
|
|
else
|
|
counter->setNumberOfParticlesPerSecondToCreate(partctrl->numParticles / (partctrl->lifetime + partctrl->lifetimeRandom/2));
|
|
|
|
emitter->setCounter(counter);
|
|
|
|
ParticleShooter* shooter = new ParticleShooter(partctrl->velocity - partctrl->velocityRandom*0.5f,
|
|
partctrl->velocity + partctrl->velocityRandom*0.5f,
|
|
partctrl->horizontalDir, partctrl->horizontalAngle,
|
|
partctrl->verticalDir, partctrl->verticalAngle,
|
|
partctrl->lifetime, partctrl->lifetimeRandom);
|
|
emitter->setShooter(shooter);
|
|
|
|
osgParticle::BoxPlacer* placer = new osgParticle::BoxPlacer;
|
|
placer->setXRange(-partctrl->offsetRandom.x() / 2.f, partctrl->offsetRandom.x() / 2.f);
|
|
placer->setYRange(-partctrl->offsetRandom.y() / 2.f, partctrl->offsetRandom.y() / 2.f);
|
|
placer->setZRange(-partctrl->offsetRandom.z() / 2.f, partctrl->offsetRandom.z() / 2.f);
|
|
|
|
emitter->setPlacer(placer);
|
|
return emitter;
|
|
}
|
|
|
|
void handleParticleSystem(const Nif::Node *nifNode, osg::Group *parentNode, SceneUtil::CompositeStateSetUpdater* composite, int animflags, osg::Node* rootNode)
|
|
{
|
|
osg::ref_ptr<ParticleSystem> partsys (new ParticleSystem);
|
|
partsys->setSortMode(osgParticle::ParticleSystem::SORT_BACK_TO_FRONT);
|
|
|
|
const Nif::NiParticleSystemController* partctrl = NULL;
|
|
for (Nif::ControllerPtr ctrl = nifNode->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if(ctrl->recType == Nif::RC_NiParticleSystemController || ctrl->recType == Nif::RC_NiBSPArrayController)
|
|
partctrl = static_cast<Nif::NiParticleSystemController*>(ctrl.getPtr());
|
|
else
|
|
std::cerr << "Unhandled controller " << ctrl->recName << " on node " << nifNode->recIndex << " in " << mFilename << std::endl;
|
|
}
|
|
if (!partctrl)
|
|
{
|
|
std::cerr << "No particle controller found in " << mFilename << std::endl;
|
|
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->setQuota(partctrl->numParticles);
|
|
|
|
partsys->getDefaultParticleTemplate().setSizeRange(osgParticle::rangef(partctrl->size, partctrl->size));
|
|
partsys->getDefaultParticleTemplate().setColorRange(osgParticle::rangev4(osg::Vec4f(1.f,1.f,1.f,1.f), osg::Vec4f(1.f,1.f,1.f,1.f)));
|
|
partsys->getDefaultParticleTemplate().setAlphaRange(osgParticle::rangef(1.f, 1.f));
|
|
|
|
partsys->setFreezeOnCull(true);
|
|
|
|
if (!partctrl->emitter.empty())
|
|
{
|
|
osg::ref_ptr<Emitter> emitter = handleParticleEmitter(partctrl);
|
|
emitter->setParticleSystem(partsys);
|
|
emitter->setReferenceFrame(osgParticle::ParticleProcessor::RELATIVE_RF);
|
|
|
|
// Note: we assume that the Emitter node is placed *before* the Particle node in the scene graph.
|
|
// This seems to be true for all NIF files in the game that I've checked, suggesting that NIFs work similar to OSG with regards to update order.
|
|
// If something ever violates this assumption, the worst that could happen is the culling being one frame late, which wouldn't be a disaster.
|
|
|
|
FindGroupByRecIndex find (partctrl->emitter->recIndex);
|
|
rootNode->accept(find);
|
|
if (!find.mFound)
|
|
{
|
|
std::cerr << "can't find emitter node, wrong node order? in " << mFilename << std::endl;
|
|
return;
|
|
}
|
|
osg::Group* emitterNode = find.mFound;
|
|
|
|
// 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(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);
|
|
}
|
|
|
|
// affectors must 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->affectors, partctrl->colliders, parentNode, partsys.get(), rf);
|
|
|
|
std::vector<const Nif::Property*> drawableProps;
|
|
collectDrawableProperties(nifNode, drawableProps);
|
|
applyDrawableProperties(parentNode, drawableProps, composite, true, animflags, true);
|
|
|
|
// particle system updater (after the emitters and affectors 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 triShapeToGeometry(const Nif::NiTriShape *triShape, osg::Geometry *geometry, osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
const Nif::NiTriShapeData* data = triShape->data.getPtr();
|
|
|
|
{
|
|
geometry->setVertexArray(new osg::Vec3Array(data->vertices.size(), &data->vertices[0]));
|
|
if (!data->normals.empty())
|
|
geometry->setNormalArray(new osg::Vec3Array(data->normals.size(), &data->normals[0]), osg::Array::BIND_PER_VERTEX);
|
|
}
|
|
|
|
int textureStage = 0;
|
|
for (std::vector<int>::const_iterator it = boundTextures.begin(); it != boundTextures.end(); ++it,++textureStage)
|
|
{
|
|
int uvSet = *it;
|
|
if (uvSet >= (int)data->uvlist.size())
|
|
{
|
|
std::cerr << "Warning: out of bounds UV set " << uvSet << " on TriShape \"" << triShape->name << "\" in " << mFilename << std::endl;
|
|
if (!data->uvlist.empty())
|
|
geometry->setTexCoordArray(textureStage, new osg::Vec2Array(data->uvlist[0].size(), &data->uvlist[0][0]), osg::Array::BIND_PER_VERTEX);
|
|
continue;
|
|
}
|
|
|
|
geometry->setTexCoordArray(textureStage, new osg::Vec2Array(data->uvlist[uvSet].size(), &data->uvlist[uvSet][0]), osg::Array::BIND_PER_VERTEX);
|
|
}
|
|
|
|
if (!data->colors.empty())
|
|
geometry->setColorArray(new osg::Vec4Array(data->colors.size(), &data->colors[0]), osg::Array::BIND_PER_VERTEX);
|
|
|
|
geometry->addPrimitiveSet(new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLES,
|
|
data->triangles.size(),
|
|
(unsigned short*)&data->triangles[0]));
|
|
|
|
// 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::Property*> drawableProps;
|
|
collectDrawableProperties(triShape, drawableProps);
|
|
applyDrawableProperties(parentNode, drawableProps, composite, !data->colors.empty(), animflags, false);
|
|
}
|
|
|
|
void handleTriShape(const Nif::NiTriShape* triShape, osg::Group* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
osg::ref_ptr<osg::Drawable> drawable;
|
|
for (Nif::ControllerPtr ctrl = triShape->controller; !ctrl.empty(); ctrl = ctrl->next)
|
|
{
|
|
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
|
|
continue;
|
|
if(ctrl->recType == Nif::RC_NiGeomMorpherController)
|
|
{
|
|
drawable = handleMorphGeometry(static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr()), triShape, parentNode, composite, boundTextures, animflags);
|
|
|
|
osg::ref_ptr<GeomMorpherController> morphctrl = new GeomMorpherController(
|
|
static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr())->data.getPtr());
|
|
setupController(ctrl.getPtr(), morphctrl, animflags);
|
|
drawable->setUpdateCallback(morphctrl);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!drawable.get())
|
|
{
|
|
osg::ref_ptr<osg::Geometry> geom (new osg::Geometry);
|
|
drawable = geom;
|
|
triShapeToGeometry(triShape, geom, parentNode, composite, boundTextures, animflags);
|
|
}
|
|
|
|
drawable->setName(triShape->name);
|
|
|
|
parentNode->addChild(drawable);
|
|
}
|
|
|
|
osg::ref_ptr<osg::Drawable> handleMorphGeometry(const Nif::NiGeomMorpherController* morpher, const Nif::NiTriShape *triShape, osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
osg::ref_ptr<SceneUtil::MorphGeometry> morphGeom = new SceneUtil::MorphGeometry;
|
|
|
|
osg::ref_ptr<osg::Geometry> sourceGeometry (new osg::Geometry);
|
|
triShapeToGeometry(triShape, sourceGeometry, parentNode, composite, boundTextures, animflags);
|
|
morphGeom->setSourceGeometry(sourceGeometry);
|
|
|
|
const std::vector<Nif::NiMorphData::MorphData>& morphs = morpher->data.getPtr()->mMorphs;
|
|
if (morphs.empty())
|
|
return morphGeom;
|
|
// Note we are not interested in morph 0, which just contains the original vertices
|
|
for (unsigned int i = 1; i < morphs.size(); ++i)
|
|
morphGeom->addMorphTarget(new osg::Vec3Array(morphs[i].mVertices.size(), &morphs[i].mVertices[0]), 0.f);
|
|
|
|
return morphGeom;
|
|
}
|
|
|
|
void handleSkinnedTriShape(const Nif::NiTriShape *triShape, osg::Group *parentNode, SceneUtil::CompositeStateSetUpdater* composite,
|
|
const std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
osg::ref_ptr<osg::Geometry> geometry (new osg::Geometry);
|
|
triShapeToGeometry(triShape, geometry, parentNode, composite, boundTextures, animflags);
|
|
|
|
osg::ref_ptr<SceneUtil::RigGeometry> rig(new SceneUtil::RigGeometry);
|
|
rig->setSourceGeometry(geometry);
|
|
rig->setName(triShape->name);
|
|
|
|
const Nif::NiSkinInstance *skin = triShape->skin.getPtr();
|
|
|
|
// Assign bone weights
|
|
osg::ref_ptr<SceneUtil::RigGeometry::InfluenceMap> map (new SceneUtil::RigGeometry::InfluenceMap);
|
|
|
|
const Nif::NiSkinData *data = skin->data.getPtr();
|
|
const Nif::NodeList &bones = skin->bones;
|
|
for(size_t i = 0;i < bones.length();i++)
|
|
{
|
|
std::string boneName = bones[i].getPtr()->name;
|
|
|
|
SceneUtil::RigGeometry::BoneInfluence influence;
|
|
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[i].weights;
|
|
for(size_t j = 0;j < weights.size();j++)
|
|
{
|
|
std::pair<unsigned short, float> indexWeight = std::make_pair(weights[j].vertex, weights[j].weight);
|
|
influence.mWeights.insert(indexWeight);
|
|
}
|
|
influence.mInvBindMatrix = data->bones[i].trafo.toMatrix();
|
|
influence.mBoundSphere = osg::BoundingSpheref(data->bones[i].boundSphereCenter, data->bones[i].boundSphereRadius);
|
|
|
|
map->mMap.insert(std::make_pair(boneName, influence));
|
|
}
|
|
rig->setInfluenceMap(map);
|
|
|
|
parentNode->addChild(rig);
|
|
}
|
|
|
|
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:
|
|
std::cerr<< "Unexpected blend mode: "<< mode << " in " << mFilename << std::endl;
|
|
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:
|
|
std::cerr << "Unexpected blend mode: " << mode << " in " << mFilename << std::endl;
|
|
return osg::AlphaFunc::LEQUAL;
|
|
}
|
|
}
|
|
|
|
osg::Stencil::Function getStencilFunction(int func)
|
|
{
|
|
switch (func)
|
|
{
|
|
case 0: return osg::Stencil::NEVER;
|
|
case 1: return osg::Stencil::LESS;
|
|
case 2: return osg::Stencil::EQUAL;
|
|
case 3: return osg::Stencil::LEQUAL;
|
|
case 4: return osg::Stencil::GREATER;
|
|
case 5: return osg::Stencil::NOTEQUAL;
|
|
case 6: return osg::Stencil::GEQUAL;
|
|
case 7: return osg::Stencil::NEVER; // NifSkope says this is GL_ALWAYS, but in MW it's GL_NEVER
|
|
default:
|
|
std::cerr << "Unexpected stencil function: " << func << " in " << mFilename << std::endl;
|
|
return osg::Stencil::NEVER;
|
|
}
|
|
}
|
|
|
|
osg::Stencil::Operation getStencilOperation(int op)
|
|
{
|
|
switch (op)
|
|
{
|
|
case 0: return osg::Stencil::KEEP;
|
|
case 1: return osg::Stencil::ZERO;
|
|
case 2: return osg::Stencil::REPLACE;
|
|
case 3: return osg::Stencil::INCR;
|
|
case 4: return osg::Stencil::DECR;
|
|
case 5: return osg::Stencil::INVERT;
|
|
default:
|
|
std::cerr << "Unexpected stencil operation: " << op << " in " << mFilename << std::endl;
|
|
return osg::Stencil::KEEP;
|
|
}
|
|
}
|
|
|
|
osg::ref_ptr<osg::Image> handleInternalTexture(const Nif::NiPixelData* pixelData)
|
|
{
|
|
osg::ref_ptr<osg::Image> image (new osg::Image);
|
|
|
|
GLenum pixelformat = 0;
|
|
switch (pixelData->fmt)
|
|
{
|
|
case Nif::NiPixelData::NIPXFMT_RGB8:
|
|
pixelformat = GL_RGB;
|
|
break;
|
|
case Nif::NiPixelData::NIPXFMT_RGBA8:
|
|
pixelformat = GL_RGBA;
|
|
break;
|
|
default:
|
|
std::cerr << "Unhandled internal pixel format " << pixelData->fmt << " in " << mFilename << std::endl;
|
|
return NULL;
|
|
}
|
|
|
|
if (pixelData->mipmaps.empty())
|
|
return NULL;
|
|
|
|
int width = 0;
|
|
int height = 0;
|
|
|
|
std::vector<unsigned int> mipmapVector;
|
|
for (unsigned int i=0; i<pixelData->mipmaps.size()-3; ++i)
|
|
{
|
|
const Nif::NiPixelData::Mipmap& mip = pixelData->mipmaps[i];
|
|
|
|
size_t mipSize = mip.height * mip.width * pixelData->bpp / 8;
|
|
if (mipSize + mip.dataOffset > pixelData->data.size())
|
|
{
|
|
std::cerr << "Warning: Internal texture's mipmap data out of bounds, ignoring texture" << std::endl;
|
|
return NULL;
|
|
}
|
|
|
|
if (i != 0)
|
|
mipmapVector.push_back(mip.dataOffset);
|
|
else
|
|
{
|
|
width = mip.width;
|
|
height = mip.height;
|
|
}
|
|
}
|
|
|
|
if (width <= 0 || height <= 0)
|
|
{
|
|
std::cerr << "Warning: Internal Texture Width and height must be non zero, ignoring texture" << std::endl;
|
|
return NULL;
|
|
}
|
|
|
|
unsigned char* data = new unsigned char[pixelData->data.size()];
|
|
memcpy(data, &pixelData->data[0], pixelData->data.size());
|
|
|
|
image->setImage(width, height, 1, pixelformat, pixelformat, GL_UNSIGNED_BYTE, data, osg::Image::USE_NEW_DELETE);
|
|
image->setMipmapLevels(mipmapVector);
|
|
image->flipVertical();
|
|
|
|
return image;
|
|
}
|
|
|
|
void handleTextureProperty(const Nif::NiTexturingProperty* texprop, osg::StateSet* stateset, SceneUtil::CompositeStateSetUpdater* composite, Resource::ImageManager* imageManager, std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
if (!boundTextures.empty())
|
|
{
|
|
// overriding a parent NiTexturingProperty, so remove what was previously bound
|
|
for (unsigned int i=0; i<boundTextures.size(); ++i)
|
|
stateset->setTextureMode(i, GL_TEXTURE_2D, osg::StateAttribute::OFF);
|
|
boundTextures.clear();
|
|
}
|
|
|
|
for (int i=0; i<Nif::NiTexturingProperty::NumTextures; ++i)
|
|
{
|
|
if (texprop->textures[i].inUse)
|
|
{
|
|
switch(i)
|
|
{
|
|
//These are handled later on
|
|
case Nif::NiTexturingProperty::BaseTexture:
|
|
case Nif::NiTexturingProperty::GlowTexture:
|
|
case Nif::NiTexturingProperty::DarkTexture:
|
|
case Nif::NiTexturingProperty::BumpTexture:
|
|
case Nif::NiTexturingProperty::DetailTexture:
|
|
case Nif::NiTexturingProperty::DecalTexture:
|
|
break;
|
|
case Nif::NiTexturingProperty::GlossTexture:
|
|
{
|
|
// Not used by the vanilla engine. MCP (Morrowind Code Patch) adds an option to use Gloss maps:
|
|
// "- Gloss map fix. Morrowind removed gloss map entries from model files after loading them. This stops Morrowind from removing them."
|
|
//std::cerr << "NiTexturingProperty::GlossTexture in " << mFilename << " not currently used." << std::endl;
|
|
continue;
|
|
}
|
|
default:
|
|
{
|
|
std::cerr << "Warning: unhandled texture stage " << i << " in " << mFilename << std::endl;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
const Nif::NiTexturingProperty::Texture& tex = texprop->textures[i];
|
|
if(tex.texture.empty() && texprop->controller.empty())
|
|
{
|
|
std::cerr << "Warning: texture layer " << i << " is in use but empty in " << mFilename << std::endl;
|
|
continue;
|
|
}
|
|
|
|
// create a new texture, will later attempt to share using the SharedStateManager
|
|
osg::ref_ptr<osg::Texture2D> texture2d;
|
|
if (!tex.texture.empty())
|
|
{
|
|
const Nif::NiSourceTexture *st = tex.texture.getPtr();
|
|
osg::ref_ptr<osg::Image> image = handleSourceTexture(st, imageManager);
|
|
texture2d = new osg::Texture2D(image);
|
|
}
|
|
else
|
|
texture2d = new osg::Texture2D;
|
|
|
|
unsigned int clamp = static_cast<unsigned int>(tex.clamp);
|
|
int wrapT = (clamp) & 0x1;
|
|
int wrapS = (clamp >> 1) & 0x1;
|
|
|
|
texture2d->setWrap(osg::Texture::WRAP_S, wrapS ? osg::Texture::REPEAT : osg::Texture::CLAMP);
|
|
texture2d->setWrap(osg::Texture::WRAP_T, wrapT ? osg::Texture::REPEAT : osg::Texture::CLAMP);
|
|
|
|
int texUnit = boundTextures.size();
|
|
|
|
stateset->setTextureAttributeAndModes(texUnit, texture2d, osg::StateAttribute::ON);
|
|
|
|
if (i == Nif::NiTexturingProperty::GlowTexture)
|
|
{
|
|
osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
|
|
texEnv->setCombine_Alpha(osg::TexEnvCombine::REPLACE);
|
|
texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::ADD);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
|
|
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DarkTexture)
|
|
{
|
|
osg::TexEnv* texEnv = new osg::TexEnv;
|
|
texEnv->setMode(osg::TexEnv::MODULATE);
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DetailTexture)
|
|
{
|
|
osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
|
|
texEnv->setScale_RGB(2.f);
|
|
texEnv->setCombine_Alpha(osg::TexEnvCombine::MODULATE);
|
|
texEnv->setOperand0_Alpha(osg::TexEnvCombine::SRC_ALPHA);
|
|
texEnv->setOperand1_Alpha(osg::TexEnvCombine::SRC_ALPHA);
|
|
texEnv->setSource0_Alpha(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setSource1_Alpha(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::MODULATE);
|
|
texEnv->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
texEnv->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
|
|
stateset->setTextureAttributeAndModes(texUnit, texEnv, osg::StateAttribute::ON);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::BumpTexture)
|
|
{
|
|
// 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);
|
|
}
|
|
else if (i == Nif::NiTexturingProperty::DecalTexture)
|
|
{
|
|
osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
|
|
texEnv->setCombine_RGB(osg::TexEnvCombine::INTERPOLATE);
|
|
texEnv->setSource0_RGB(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
texEnv->setSource1_RGB(osg::TexEnvCombine::PREVIOUS);
|
|
texEnv->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
|
|
texEnv->setSource2_RGB(osg::TexEnvCombine::TEXTURE);
|
|
texEnv->setOperand2_RGB(osg::TexEnvCombine::SRC_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);
|
|
}
|
|
|
|
switch (i)
|
|
{
|
|
case Nif::NiTexturingProperty::BaseTexture:
|
|
texture2d->setName("diffuseMap");
|
|
break;
|
|
case Nif::NiTexturingProperty::BumpTexture:
|
|
texture2d->setName("normalMap");
|
|
break;
|
|
case Nif::NiTexturingProperty::GlowTexture:
|
|
texture2d->setName("emissiveMap");
|
|
break;
|
|
case Nif::NiTexturingProperty::DarkTexture:
|
|
texture2d->setName("darkMap");
|
|
break;
|
|
case Nif::NiTexturingProperty::DetailTexture:
|
|
texture2d->setName("detailMap");
|
|
break;
|
|
case Nif::NiTexturingProperty::DecalTexture:
|
|
texture2d->setName("decalMap");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
boundTextures.push_back(tex.uvSet);
|
|
}
|
|
}
|
|
handleTextureControllers(texprop, composite, imageManager, stateset, animflags);
|
|
}
|
|
|
|
void handleProperty(const Nif::Property *property,
|
|
osg::Node *node, SceneUtil::CompositeStateSetUpdater* composite, Resource::ImageManager* imageManager, std::vector<int>& boundTextures, int animflags)
|
|
{
|
|
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;
|
|
switch (stencilprop->data.drawMode)
|
|
{
|
|
case 2:
|
|
frontFace->setMode(osg::FrontFace::CLOCKWISE);
|
|
break;
|
|
case 0:
|
|
case 1:
|
|
default:
|
|
frontFace->setMode(osg::FrontFace::COUNTER_CLOCKWISE);
|
|
break;
|
|
}
|
|
frontFace = shareAttribute(frontFace);
|
|
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
stateset->setAttribute(frontFace, osg::StateAttribute::ON);
|
|
stateset->setMode(GL_CULL_FACE, stencilprop->data.drawMode == 3 ? osg::StateAttribute::OFF
|
|
: osg::StateAttribute::ON);
|
|
|
|
if (stencilprop->data.enabled != 0)
|
|
{
|
|
osg::ref_ptr<osg::Stencil> stencil = new osg::Stencil;
|
|
stencil->setFunction(getStencilFunction(stencilprop->data.compareFunc), stencilprop->data.stencilRef, stencilprop->data.stencilMask);
|
|
stencil->setStencilFailOperation(getStencilOperation(stencilprop->data.failAction));
|
|
stencil->setStencilPassAndDepthFailOperation(getStencilOperation(stencilprop->data.zFailAction));
|
|
stencil->setStencilPassAndDepthPassOperation(getStencilOperation(stencilprop->data.zPassAction));
|
|
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->flags == 0 ? osg::PolygonMode::FILL
|
|
: osg::PolygonMode::LINE);
|
|
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);
|
|
// VER_MW doesn't support a DepthFunction according to NifSkope
|
|
osg::ref_ptr<osg::Depth> depth = new osg::Depth;
|
|
depth->setWriteMask((zprop->flags>>1)&1);
|
|
depth = shareAttribute(depth);
|
|
node->getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
|
|
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, stateset, composite, imageManager, boundTextures, animflags);
|
|
break;
|
|
}
|
|
// unused by mw
|
|
case Nif::RC_NiShadeProperty:
|
|
case Nif::RC_NiDitherProperty:
|
|
case Nif::RC_NiFogProperty:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
std::cerr << "Unhandled " << property->recName << " in " << mFilename << std::endl;
|
|
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 OpenThreads::Mutex sMutex;
|
|
OpenThreads::ScopedLock<OpenThreads::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::Property*>& properties, SceneUtil::CompositeStateSetUpdater* composite,
|
|
bool hasVertexColors, int animflags, bool particleMaterial)
|
|
{
|
|
osg::StateSet* stateset = node->getOrCreateStateSet();
|
|
|
|
int specFlags = 0; // Specular is disabled by default, even if there's a specular color in the NiMaterialProperty
|
|
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;
|
|
|
|
int lightmode = 1;
|
|
|
|
for (std::vector<const Nif::Property*>::const_reverse_iterator it = properties.rbegin(); it != properties.rend(); ++it)
|
|
{
|
|
const Nif::Property* property = *it;
|
|
switch (property->recType)
|
|
{
|
|
case Nif::RC_NiSpecularProperty:
|
|
{
|
|
specFlags = property->flags;
|
|
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->data.diffuse, matprop->data.alpha));
|
|
mat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->data.ambient, 1.f));
|
|
mat->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->data.emissive, 1.f));
|
|
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(matprop->data.specular, 1.f));
|
|
mat->setShininess(osg::Material::FRONT_AND_BACK, matprop->data.glossiness);
|
|
|
|
if (!matprop->controller.empty())
|
|
{
|
|
hasMatCtrl = true;
|
|
handleMaterialControllers(matprop, composite, animflags);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case Nif::RC_NiVertexColorProperty:
|
|
{
|
|
const Nif::NiVertexColorProperty* vertprop = static_cast<const Nif::NiVertexColorProperty*>(property);
|
|
lightmode = vertprop->data.lightmode;
|
|
|
|
switch (vertprop->data.vertmode)
|
|
{
|
|
case 0:
|
|
mat->setColorMode(osg::Material::OFF);
|
|
break;
|
|
case 1:
|
|
mat->setColorMode(osg::Material::EMISSION);
|
|
break;
|
|
case 2:
|
|
if (lightmode != 0)
|
|
mat->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
|
|
else
|
|
mat->setColorMode(osg::Material::OFF);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case Nif::RC_NiAlphaProperty:
|
|
{
|
|
const Nif::NiAlphaProperty* alphaprop = static_cast<const Nif::NiAlphaProperty*>(property);
|
|
if (alphaprop->flags&1)
|
|
{
|
|
osg::ref_ptr<osg::BlendFunc> blendFunc (new osg::BlendFunc(getBlendMode((alphaprop->flags>>1)&0xf),
|
|
getBlendMode((alphaprop->flags>>5)&0xf)));
|
|
blendFunc = shareAttribute(blendFunc);
|
|
stateset->setAttributeAndModes(blendFunc, osg::StateAttribute::ON);
|
|
|
|
bool noSort = (alphaprop->flags>>13)&1;
|
|
if (!noSort)
|
|
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
|
|
else
|
|
stateset->setRenderBinToInherit();
|
|
}
|
|
else
|
|
{
|
|
stateset->removeAttribute(osg::StateAttribute::BLENDFUNC);
|
|
stateset->removeMode(GL_BLEND);
|
|
stateset->setRenderBinToInherit();
|
|
}
|
|
|
|
if((alphaprop->flags>>9)&1)
|
|
{
|
|
osg::ref_ptr<osg::AlphaFunc> alphaFunc (new osg::AlphaFunc(getTestMode((alphaprop->flags>>10)&0x7), alphaprop->data.threshold/255.f));
|
|
alphaFunc = shareAttribute(alphaFunc);
|
|
stateset->setAttributeAndModes(alphaFunc, osg::StateAttribute::ON);
|
|
}
|
|
else
|
|
{
|
|
stateset->removeAttribute(osg::StateAttribute::ALPHAFUNC);
|
|
stateset->removeMode(GL_ALPHA_TEST);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (specFlags == 0)
|
|
mat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(0.f,0.f,0.f,0.f));
|
|
|
|
// Particles don't have normals, so can't be diffuse lit.
|
|
if (particleMaterial)
|
|
{
|
|
// NB ignoring diffuse.a()
|
|
mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(0,0,0,1));
|
|
mat->setColorMode(osg::Material::AMBIENT);
|
|
}
|
|
|
|
if (lightmode == 0)
|
|
{
|
|
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 (!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);
|
|
|
|
stateset->setAttributeAndModes(mat, osg::StateAttribute::ON);
|
|
}
|
|
|
|
};
|
|
|
|
osg::ref_ptr<osg::Node> Loader::load(Nif::NIFFilePtr file, Resource::ImageManager* imageManager)
|
|
{
|
|
LoaderImpl impl(file->getFilename());
|
|
return impl.load(file, imageManager);
|
|
}
|
|
|
|
void Loader::loadKf(Nif::NIFFilePtr kf, KeyframeHolder& target)
|
|
{
|
|
LoaderImpl impl(kf->getFilename());
|
|
impl.loadKf(kf, target);
|
|
}
|
|
|
|
}
|