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226 lines
12 KiB
C++
226 lines
12 KiB
C++
#include "niffile.hpp"
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#include "effect.hpp"
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#include <map>
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#include <sstream>
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namespace Nif
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{
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/// Open a NIF stream. The name is used for error messages.
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NIFFile::NIFFile(Files::IStreamPtr stream, const std::string &name)
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: ver(0)
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, filename(name)
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, mUseSkinning(false)
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, mStream(stream)
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{
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parse();
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}
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NIFFile::~NIFFile()
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{
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for (std::vector<Record*>::iterator it = records.begin() ; it != records.end(); ++it)
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{
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delete *it;
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}
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}
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template <typename NodeType> static Record* construct() { return new NodeType; }
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struct RecordFactoryEntry {
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typedef Record* (*create_t) ();
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create_t mCreate;
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RecordType mType;
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};
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///Helper function for adding records to the factory map
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static std::pair<std::string,RecordFactoryEntry> makeEntry(std::string recName, Record* (*create_t) (), RecordType type)
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{
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RecordFactoryEntry anEntry = {create_t,type};
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return std::make_pair(recName, anEntry);
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}
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///These are all the record types we know how to read.
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static std::map<std::string,RecordFactoryEntry> makeFactory()
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{
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std::map<std::string,RecordFactoryEntry> newFactory;
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newFactory.insert(makeEntry("NiNode", &construct <NiNode> , RC_NiNode ));
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newFactory.insert(makeEntry("NiSwitchNode", &construct <NiSwitchNode> , RC_NiSwitchNode ));
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newFactory.insert(makeEntry("NiLODNode", &construct <NiLODNode> , RC_NiLODNode ));
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newFactory.insert(makeEntry("AvoidNode", &construct <NiNode> , RC_AvoidNode ));
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newFactory.insert(makeEntry("NiBSParticleNode", &construct <NiNode> , RC_NiBSParticleNode ));
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newFactory.insert(makeEntry("NiBSAnimationNode", &construct <NiNode> , RC_NiBSAnimationNode ));
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newFactory.insert(makeEntry("NiBillboardNode", &construct <NiNode> , RC_NiBillboardNode ));
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newFactory.insert(makeEntry("NiTriShape", &construct <NiTriShape> , RC_NiTriShape ));
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newFactory.insert(makeEntry("NiRotatingParticles", &construct <NiRotatingParticles> , RC_NiRotatingParticles ));
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newFactory.insert(makeEntry("NiAutoNormalParticles", &construct <NiAutoNormalParticles> , RC_NiAutoNormalParticles ));
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newFactory.insert(makeEntry("NiCamera", &construct <NiCamera> , RC_NiCamera ));
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newFactory.insert(makeEntry("RootCollisionNode", &construct <NiNode> , RC_RootCollisionNode ));
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newFactory.insert(makeEntry("NiTexturingProperty", &construct <NiTexturingProperty> , RC_NiTexturingProperty ));
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newFactory.insert(makeEntry("NiFogProperty", &construct <NiFogProperty> , RC_NiFogProperty ));
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newFactory.insert(makeEntry("NiMaterialProperty", &construct <NiMaterialProperty> , RC_NiMaterialProperty ));
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newFactory.insert(makeEntry("NiZBufferProperty", &construct <NiZBufferProperty> , RC_NiZBufferProperty ));
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newFactory.insert(makeEntry("NiAlphaProperty", &construct <NiAlphaProperty> , RC_NiAlphaProperty ));
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newFactory.insert(makeEntry("NiVertexColorProperty", &construct <NiVertexColorProperty> , RC_NiVertexColorProperty ));
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newFactory.insert(makeEntry("NiShadeProperty", &construct <NiShadeProperty> , RC_NiShadeProperty ));
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newFactory.insert(makeEntry("NiDitherProperty", &construct <NiDitherProperty> , RC_NiDitherProperty ));
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newFactory.insert(makeEntry("NiWireframeProperty", &construct <NiWireframeProperty> , RC_NiWireframeProperty ));
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newFactory.insert(makeEntry("NiSpecularProperty", &construct <NiSpecularProperty> , RC_NiSpecularProperty ));
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newFactory.insert(makeEntry("NiStencilProperty", &construct <NiStencilProperty> , RC_NiStencilProperty ));
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newFactory.insert(makeEntry("NiVisController", &construct <NiVisController> , RC_NiVisController ));
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newFactory.insert(makeEntry("NiGeomMorpherController", &construct <NiGeomMorpherController> , RC_NiGeomMorpherController ));
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newFactory.insert(makeEntry("NiKeyframeController", &construct <NiKeyframeController> , RC_NiKeyframeController ));
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newFactory.insert(makeEntry("NiAlphaController", &construct <NiAlphaController> , RC_NiAlphaController ));
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newFactory.insert(makeEntry("NiUVController", &construct <NiUVController> , RC_NiUVController ));
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newFactory.insert(makeEntry("NiPathController", &construct <NiPathController> , RC_NiPathController ));
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newFactory.insert(makeEntry("NiMaterialColorController", &construct <NiMaterialColorController> , RC_NiMaterialColorController ));
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newFactory.insert(makeEntry("NiBSPArrayController", &construct <NiBSPArrayController> , RC_NiBSPArrayController ));
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newFactory.insert(makeEntry("NiParticleSystemController", &construct <NiParticleSystemController> , RC_NiParticleSystemController ));
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newFactory.insert(makeEntry("NiFlipController", &construct <NiFlipController> , RC_NiFlipController ));
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newFactory.insert(makeEntry("NiAmbientLight", &construct <NiLight> , RC_NiLight ));
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newFactory.insert(makeEntry("NiDirectionalLight", &construct <NiLight> , RC_NiLight ));
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newFactory.insert(makeEntry("NiPointLight", &construct <NiPointLight> , RC_NiLight ));
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newFactory.insert(makeEntry("NiSpotLight", &construct <NiSpotLight> , RC_NiLight ));
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newFactory.insert(makeEntry("NiTextureEffect", &construct <NiTextureEffect> , RC_NiTextureEffect ));
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newFactory.insert(makeEntry("NiVertWeightsExtraData", &construct <NiVertWeightsExtraData> , RC_NiVertWeightsExtraData ));
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newFactory.insert(makeEntry("NiTextKeyExtraData", &construct <NiTextKeyExtraData> , RC_NiTextKeyExtraData ));
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newFactory.insert(makeEntry("NiStringExtraData", &construct <NiStringExtraData> , RC_NiStringExtraData ));
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newFactory.insert(makeEntry("NiGravity", &construct <NiGravity> , RC_NiGravity ));
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newFactory.insert(makeEntry("NiPlanarCollider", &construct <NiPlanarCollider> , RC_NiPlanarCollider ));
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newFactory.insert(makeEntry("NiParticleGrowFade", &construct <NiParticleGrowFade> , RC_NiParticleGrowFade ));
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newFactory.insert(makeEntry("NiParticleColorModifier", &construct <NiParticleColorModifier> , RC_NiParticleColorModifier ));
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newFactory.insert(makeEntry("NiParticleRotation", &construct <NiParticleRotation> , RC_NiParticleRotation ));
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newFactory.insert(makeEntry("NiFloatData", &construct <NiFloatData> , RC_NiFloatData ));
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newFactory.insert(makeEntry("NiTriShapeData", &construct <NiTriShapeData> , RC_NiTriShapeData ));
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newFactory.insert(makeEntry("NiVisData", &construct <NiVisData> , RC_NiVisData ));
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newFactory.insert(makeEntry("NiColorData", &construct <NiColorData> , RC_NiColorData ));
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newFactory.insert(makeEntry("NiPixelData", &construct <NiPixelData> , RC_NiPixelData ));
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newFactory.insert(makeEntry("NiMorphData", &construct <NiMorphData> , RC_NiMorphData ));
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newFactory.insert(makeEntry("NiKeyframeData", &construct <NiKeyframeData> , RC_NiKeyframeData ));
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newFactory.insert(makeEntry("NiSkinData", &construct <NiSkinData> , RC_NiSkinData ));
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newFactory.insert(makeEntry("NiUVData", &construct <NiUVData> , RC_NiUVData ));
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newFactory.insert(makeEntry("NiPosData", &construct <NiPosData> , RC_NiPosData ));
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newFactory.insert(makeEntry("NiRotatingParticlesData", &construct <NiRotatingParticlesData> , RC_NiRotatingParticlesData ));
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newFactory.insert(makeEntry("NiAutoNormalParticlesData", &construct <NiAutoNormalParticlesData> , RC_NiAutoNormalParticlesData ));
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newFactory.insert(makeEntry("NiSequenceStreamHelper", &construct <NiSequenceStreamHelper> , RC_NiSequenceStreamHelper ));
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newFactory.insert(makeEntry("NiSourceTexture", &construct <NiSourceTexture> , RC_NiSourceTexture ));
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newFactory.insert(makeEntry("NiSkinInstance", &construct <NiSkinInstance> , RC_NiSkinInstance ));
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return newFactory;
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}
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///Make the factory map used for parsing the file
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static const std::map<std::string,RecordFactoryEntry> factories = makeFactory();
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/// Get the file's version in a human readable form
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std::string NIFFile::printVersion(unsigned int version)
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{
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union ver_quad
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{
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uint32_t full;
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uint8_t quad[4];
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} version_out;
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version_out.full = version;
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std::stringstream stream;
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stream << version_out.quad[3] << "."
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<< version_out.quad[2] << "."
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<< version_out.quad[1] << "."
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<< version_out.quad[0];
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return stream.str();
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}
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void NIFFile::parse()
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{
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NIFStream nif (this, mStream);
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// Check the header string
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std::string head = nif.getVersionString();
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if(head.compare(0, 22, "NetImmerse File Format") != 0)
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fail("Invalid NIF header: " + head);
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// Get BCD version
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ver = nif.getUInt();
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if(ver != VER_MW)
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fail("Unsupported NIF version: " + printVersion(ver));
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// Number of records
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size_t recNum = nif.getInt();
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records.resize(recNum);
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/* The format for 10.0.1.0 seems to be a bit different. After the
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header, it contains the number of records, r (int), just like
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4.0.0.2, but following that it contains a short x, followed by x
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strings. Then again by r shorts, one for each record, giving
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which of the above strings to use to identify the record. After
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this follows two ints (zero?) and then the record data. However
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we do not support or plan to support other versions yet.
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*/
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for(size_t i = 0;i < recNum;i++)
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{
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Record *r = NULL;
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std::string rec = nif.getString();
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if(rec.empty())
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{
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std::stringstream error;
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error << "Record number " << i << " out of " << recNum << " is blank.";
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fail(error.str());
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}
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std::map<std::string,RecordFactoryEntry>::const_iterator entry = factories.find(rec);
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if (entry != factories.end())
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{
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r = entry->second.mCreate ();
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r->recType = entry->second.mType;
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}
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else
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fail("Unknown record type " + rec);
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assert(r != NULL);
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assert(r->recType != RC_MISSING);
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r->recName = rec;
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r->recIndex = i;
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records[i] = r;
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r->read(&nif);
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}
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size_t rootNum = nif.getUInt();
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roots.resize(rootNum);
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//Determine which records are roots
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for(size_t i = 0;i < rootNum;i++)
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{
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int idx = nif.getInt();
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if (idx >= 0 && idx < int(records.size()))
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{
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roots[i] = records[idx];
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}
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else
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{
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roots[i] = NULL;
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warn("Null Root found");
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}
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}
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// Once parsing is done, do post-processing.
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for(size_t i=0; i<recNum; i++)
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records[i]->post(this);
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}
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void NIFFile::setUseSkinning(bool skinning)
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{
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mUseSkinning = skinning;
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}
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bool NIFFile::getUseSkinning() const
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{
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return mUseSkinning;
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}
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}
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