mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 04:56:39 +00:00
349 lines
19 KiB
C++
349 lines
19 KiB
C++
#include "niffile.hpp"
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#include "effect.hpp"
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#include <array>
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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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: filename(name)
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{
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parse(stream);
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}
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NIFFile::~NIFFile()
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{
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for (Record* record : records)
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delete record;
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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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using create_t = Record* (*)();
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create_t mCreate;
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RecordType mType;
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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> factory;
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factory["NiNode"] = {&construct <NiNode> , RC_NiNode };
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factory["NiSwitchNode"] = {&construct <NiSwitchNode> , RC_NiSwitchNode };
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factory["NiLODNode"] = {&construct <NiLODNode> , RC_NiLODNode };
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factory["AvoidNode"] = {&construct <NiNode> , RC_AvoidNode };
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factory["NiCollisionSwitch"] = {&construct <NiNode> , RC_NiCollisionSwitch };
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factory["NiBSParticleNode"] = {&construct <NiNode> , RC_NiBSParticleNode };
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factory["NiBSAnimationNode"] = {&construct <NiNode> , RC_NiBSAnimationNode };
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factory["NiBillboardNode"] = {&construct <NiNode> , RC_NiBillboardNode };
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factory["NiTriShape"] = {&construct <NiTriShape> , RC_NiTriShape };
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factory["NiTriStrips"] = {&construct <NiTriStrips> , RC_NiTriStrips };
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factory["NiLines"] = {&construct <NiLines> , RC_NiLines };
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factory["NiParticles"] = {&construct <NiParticles> , RC_NiParticles };
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factory["NiRotatingParticles"] = {&construct <NiParticles> , RC_NiParticles };
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factory["NiAutoNormalParticles"] = {&construct <NiParticles> , RC_NiParticles };
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factory["NiCamera"] = {&construct <NiCamera> , RC_NiCamera };
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factory["RootCollisionNode"] = {&construct <NiNode> , RC_RootCollisionNode };
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factory["NiTexturingProperty"] = {&construct <NiTexturingProperty> , RC_NiTexturingProperty };
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factory["NiFogProperty"] = {&construct <NiFogProperty> , RC_NiFogProperty };
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factory["NiMaterialProperty"] = {&construct <NiMaterialProperty> , RC_NiMaterialProperty };
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factory["NiZBufferProperty"] = {&construct <NiZBufferProperty> , RC_NiZBufferProperty };
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factory["NiAlphaProperty"] = {&construct <NiAlphaProperty> , RC_NiAlphaProperty };
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factory["NiVertexColorProperty"] = {&construct <NiVertexColorProperty> , RC_NiVertexColorProperty };
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factory["NiShadeProperty"] = {&construct <NiShadeProperty> , RC_NiShadeProperty };
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factory["NiDitherProperty"] = {&construct <NiDitherProperty> , RC_NiDitherProperty };
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factory["NiWireframeProperty"] = {&construct <NiWireframeProperty> , RC_NiWireframeProperty };
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factory["NiSpecularProperty"] = {&construct <NiSpecularProperty> , RC_NiSpecularProperty };
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factory["NiStencilProperty"] = {&construct <NiStencilProperty> , RC_NiStencilProperty };
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factory["NiVisController"] = {&construct <NiVisController> , RC_NiVisController };
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factory["NiGeomMorpherController"] = {&construct <NiGeomMorpherController> , RC_NiGeomMorpherController };
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factory["NiKeyframeController"] = {&construct <NiKeyframeController> , RC_NiKeyframeController };
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factory["NiAlphaController"] = {&construct <NiAlphaController> , RC_NiAlphaController };
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factory["NiRollController"] = {&construct <NiRollController> , RC_NiRollController };
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factory["NiUVController"] = {&construct <NiUVController> , RC_NiUVController };
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factory["NiPathController"] = {&construct <NiPathController> , RC_NiPathController };
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factory["NiMaterialColorController"] = {&construct <NiMaterialColorController> , RC_NiMaterialColorController };
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factory["NiBSPArrayController"] = {&construct <NiBSPArrayController> , RC_NiBSPArrayController };
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factory["NiParticleSystemController"] = {&construct <NiParticleSystemController> , RC_NiParticleSystemController };
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factory["NiFlipController"] = {&construct <NiFlipController> , RC_NiFlipController };
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factory["NiAmbientLight"] = {&construct <NiLight> , RC_NiLight };
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factory["NiDirectionalLight"] = {&construct <NiLight> , RC_NiLight };
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factory["NiPointLight"] = {&construct <NiPointLight> , RC_NiLight };
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factory["NiSpotLight"] = {&construct <NiSpotLight> , RC_NiLight };
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factory["NiTextureEffect"] = {&construct <NiTextureEffect> , RC_NiTextureEffect };
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factory["NiVertWeightsExtraData"] = {&construct <NiVertWeightsExtraData> , RC_NiVertWeightsExtraData };
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factory["NiTextKeyExtraData"] = {&construct <NiTextKeyExtraData> , RC_NiTextKeyExtraData };
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factory["NiStringExtraData"] = {&construct <NiStringExtraData> , RC_NiStringExtraData };
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factory["NiGravity"] = {&construct <NiGravity> , RC_NiGravity };
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factory["NiPlanarCollider"] = {&construct <NiPlanarCollider> , RC_NiPlanarCollider };
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factory["NiSphericalCollider"] = {&construct <NiSphericalCollider> , RC_NiSphericalCollider };
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factory["NiParticleGrowFade"] = {&construct <NiParticleGrowFade> , RC_NiParticleGrowFade };
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factory["NiParticleColorModifier"] = {&construct <NiParticleColorModifier> , RC_NiParticleColorModifier };
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factory["NiParticleRotation"] = {&construct <NiParticleRotation> , RC_NiParticleRotation };
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factory["NiFloatData"] = {&construct <NiFloatData> , RC_NiFloatData };
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factory["NiTriShapeData"] = {&construct <NiTriShapeData> , RC_NiTriShapeData };
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factory["NiTriStripsData"] = {&construct <NiTriStripsData> , RC_NiTriStripsData };
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factory["NiLinesData"] = {&construct <NiLinesData> , RC_NiLinesData };
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factory["NiVisData"] = {&construct <NiVisData> , RC_NiVisData };
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factory["NiColorData"] = {&construct <NiColorData> , RC_NiColorData };
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factory["NiPixelData"] = {&construct <NiPixelData> , RC_NiPixelData };
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factory["NiMorphData"] = {&construct <NiMorphData> , RC_NiMorphData };
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factory["NiKeyframeData"] = {&construct <NiKeyframeData> , RC_NiKeyframeData };
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factory["NiSkinData"] = {&construct <NiSkinData> , RC_NiSkinData };
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factory["NiUVData"] = {&construct <NiUVData> , RC_NiUVData };
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factory["NiPosData"] = {&construct <NiPosData> , RC_NiPosData };
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factory["NiParticlesData"] = {&construct <NiParticlesData> , RC_NiParticlesData };
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factory["NiRotatingParticlesData"] = {&construct <NiRotatingParticlesData> , RC_NiParticlesData };
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factory["NiAutoNormalParticlesData"] = {&construct <NiParticlesData> , RC_NiParticlesData };
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factory["NiSequenceStreamHelper"] = {&construct <NiSequenceStreamHelper> , RC_NiSequenceStreamHelper };
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factory["NiSourceTexture"] = {&construct <NiSourceTexture> , RC_NiSourceTexture };
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factory["NiSkinInstance"] = {&construct <NiSkinInstance> , RC_NiSkinInstance };
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factory["NiLookAtController"] = {&construct <NiLookAtController> , RC_NiLookAtController };
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factory["NiPalette"] = {&construct <NiPalette> , RC_NiPalette };
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factory["NiIntegerExtraData"] = {&construct <NiIntegerExtraData> , RC_NiIntegerExtraData };
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factory["NiIntegersExtraData"] = {&construct <NiIntegersExtraData> , RC_NiIntegersExtraData };
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factory["NiBinaryExtraData"] = {&construct <NiBinaryExtraData> , RC_NiBinaryExtraData };
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factory["NiBooleanExtraData"] = {&construct <NiBooleanExtraData> , RC_NiBooleanExtraData };
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factory["NiVectorExtraData"] = {&construct <NiVectorExtraData> , RC_NiVectorExtraData };
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factory["NiColorExtraData"] = {&construct <NiVectorExtraData> , RC_NiColorExtraData };
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factory["NiFloatExtraData"] = {&construct <NiFloatExtraData> , RC_NiFloatExtraData };
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factory["NiFloatsExtraData"] = {&construct <NiFloatsExtraData> , RC_NiFloatsExtraData };
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factory["NiStringPalette"] = {&construct <NiStringPalette> , RC_NiStringPalette };
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factory["NiBoolData"] = {&construct <NiBoolData> , RC_NiBoolData };
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factory["NiSkinPartition"] = {&construct <NiSkinPartition> , RC_NiSkinPartition };
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factory["BSXFlags"] = {&construct <NiIntegerExtraData> , RC_BSXFlags };
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factory["BSBound"] = {&construct <BSBound> , RC_BSBound };
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factory["NiTransformData"] = {&construct <NiKeyframeData> , RC_NiKeyframeData };
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factory["BSFadeNode"] = {&construct <NiNode> , RC_NiNode };
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factory["bhkBlendController"] = {&construct <bhkBlendController> , RC_bhkBlendController };
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factory["NiFloatInterpolator"] = {&construct <NiFloatInterpolator> , RC_NiFloatInterpolator };
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factory["NiBoolInterpolator"] = {&construct <NiBoolInterpolator> , RC_NiBoolInterpolator };
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factory["NiPoint3Interpolator"] = {&construct <NiPoint3Interpolator> , RC_NiPoint3Interpolator };
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factory["NiTransformController"] = {&construct <NiKeyframeController> , RC_NiKeyframeController };
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factory["NiTransformInterpolator"] = {&construct <NiTransformInterpolator> , RC_NiTransformInterpolator };
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factory["NiColorInterpolator"] = {&construct <NiColorInterpolator> , RC_NiColorInterpolator };
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factory["BSShaderTextureSet"] = {&construct <BSShaderTextureSet> , RC_BSShaderTextureSet };
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factory["BSLODTriShape"] = {&construct <BSLODTriShape> , RC_BSLODTriShape };
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factory["BSShaderProperty"] = {&construct <BSShaderProperty> , RC_BSShaderProperty };
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return factory;
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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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std::string NIFFile::printVersion(unsigned int version)
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{
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int major = (version >> 24) & 0xFF;
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int minor = (version >> 16) & 0xFF;
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int patch = (version >> 8) & 0xFF;
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int rev = version & 0xFF;
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std::stringstream stream;
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stream << major << "." << minor << "." << patch << "." << rev;
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return stream.str();
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}
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void NIFFile::parse(Files::IStreamPtr stream)
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{
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NIFStream nif (this, stream);
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// Check the header string
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std::string head = nif.getVersionString();
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static const std::array<std::string, 2> verStrings =
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{
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"NetImmerse File Format",
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"Gamebryo File Format"
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};
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bool supported = false;
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for (const std::string& verString : verStrings)
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{
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supported = (head.compare(0, verString.size(), verString) == 0);
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if (supported)
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break;
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}
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if (!supported)
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fail("Invalid NIF header: " + head);
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supported = false;
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// Get BCD version
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ver = nif.getUInt();
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// 4.0.0.0 is an older, practically identical version of the format.
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// It's not used by Morrowind assets but Morrowind supports it.
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static const std::array<uint32_t, 2> supportedVers =
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{
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NIFStream::generateVersion(4,0,0,0),
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VER_MW
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};
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for (uint32_t supportedVer : supportedVers)
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{
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supported = (ver == supportedVer);
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if (supported)
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break;
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}
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if (!supported)
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{
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if (sLoadUnsupportedFiles)
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warn("Unsupported NIF version: " + printVersion(ver) + ". Proceed with caution!");
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else
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fail("Unsupported NIF version: " + printVersion(ver));
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}
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// NIF data endianness
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if (ver >= NIFStream::generateVersion(20,0,0,4))
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{
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unsigned char endianness = nif.getChar();
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if (endianness == 0)
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fail("Big endian NIF files are unsupported");
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}
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// User version
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if (ver > NIFStream::generateVersion(10,0,1,8))
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userVer = nif.getUInt();
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// Number of records
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unsigned int recNum = nif.getUInt();
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records.resize(recNum);
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// Bethesda stream header
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// It contains Bethesda format version and (useless) export information
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if (ver == VER_OB_OLD ||
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(userVer >= 3 && ((ver == VER_OB || ver == VER_BGS)
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|| (ver >= NIFStream::generateVersion(10,1,0,0) && ver <= NIFStream::generateVersion(20,0,0,4) && userVer <= 11))))
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{
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bethVer = nif.getUInt();
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nif.getExportString(); // Author
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if (bethVer > BETHVER_FO4)
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nif.getUInt(); // Unknown
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nif.getExportString(); // Process script
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nif.getExportString(); // Export script
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if (bethVer == BETHVER_FO4)
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nif.getExportString(); // Max file path
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}
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std::vector<std::string> recTypes;
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std::vector<unsigned short> recTypeIndices;
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const bool hasRecTypeListings = ver >= NIFStream::generateVersion(5,0,0,1);
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if (hasRecTypeListings)
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{
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unsigned short recTypeNum = nif.getUShort();
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if (recTypeNum) // Record type list
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nif.getSizedStrings(recTypes, recTypeNum);
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if (recNum) // Record type mapping for each record
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nif.getUShorts(recTypeIndices, recNum);
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if (ver >= NIFStream::generateVersion(5,0,0,6)) // Groups
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{
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if (ver >= NIFStream::generateVersion(20,1,0,1)) // String table
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{
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if (ver >= NIFStream::generateVersion(20,2,0,5) && recNum) // Record sizes
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{
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std::vector<unsigned int> recSizes; // Currently unused
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nif.getUInts(recSizes, recNum);
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}
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unsigned int stringNum = nif.getUInt();
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nif.getUInt(); // Max string length
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if (stringNum)
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nif.getSizedStrings(strings, stringNum);
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}
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std::vector<unsigned int> groups; // Currently unused
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unsigned int groupNum = nif.getUInt();
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if (groupNum)
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nif.getUInts(groups, groupNum);
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}
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}
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const bool hasRecordSeparators = ver >= NIFStream::generateVersion(10,0,0,0) && ver < NIFStream::generateVersion(10,2,0,0);
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for (unsigned int i = 0; i < recNum; i++)
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{
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Record *r = nullptr;
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std::string rec = hasRecTypeListings ? recTypes[recTypeIndices[i]] : 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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// Record separator. Some Havok records in Oblivion do not have it.
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if (hasRecordSeparators && rec.compare(0, 3, "bhk"))
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{
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if (nif.getInt())
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{
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std::stringstream warning;
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warning << "Record number " << i << " out of " << recNum << " is preceded by a non-zero separator.";
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warn(warning.str());
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}
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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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if (!supported)
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Log(Debug::Verbose) << "NIF Debug: Reading record of type " << rec << ", index " << i << " (" << filename << ")";
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assert(r != nullptr);
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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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unsigned int rootNum = nif.getUInt();
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roots.resize(rootNum);
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//Determine which records are roots
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for (unsigned int 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] = nullptr;
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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 (Record* record : records)
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record->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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bool NIFFile::sLoadUnsupportedFiles = false;
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void NIFFile::setLoadUnsupportedFiles(bool load)
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{
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sLoadUnsupportedFiles = load;
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}
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}
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