mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 06:26:39 +00:00
355 lines
21 KiB
C++
355 lines
21 KiB
C++
#include "niffile.hpp"
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#include "effect.hpp"
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#include <components/files/hash.hpp>
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#include <array>
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#include <map>
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#include <sstream>
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#include <algorithm>
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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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template <typename NodeType, RecordType recordType>
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static std::unique_ptr<Record> construct()
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{
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auto result = std::make_unique<NodeType>();
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result->recType = recordType;
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return result;
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}
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using CreateRecord = std::unique_ptr<Record> (*)();
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///These are all the record types we know how to read.
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static std::map<std::string, CreateRecord> makeFactory()
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{
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return
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{
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{"NiNode" , &construct <NiNode , RC_NiNode >},
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{"NiSwitchNode" , &construct <NiSwitchNode , RC_NiSwitchNode >},
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{"NiLODNode" , &construct <NiLODNode , RC_NiLODNode >},
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{"AvoidNode" , &construct <NiNode , RC_AvoidNode >},
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{"NiCollisionSwitch" , &construct <NiNode , RC_NiCollisionSwitch >},
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{"NiBSParticleNode" , &construct <NiNode , RC_NiBSParticleNode >},
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{"NiBSAnimationNode" , &construct <NiNode , RC_NiBSAnimationNode >},
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{"NiBillboardNode" , &construct <NiNode , RC_NiBillboardNode >},
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{"NiTriShape" , &construct <NiTriShape , RC_NiTriShape >},
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{"NiTriStrips" , &construct <NiTriStrips , RC_NiTriStrips >},
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{"NiLines" , &construct <NiLines , RC_NiLines >},
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{"NiParticles" , &construct <NiParticles , RC_NiParticles >},
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{"NiRotatingParticles" , &construct <NiParticles , RC_NiParticles >},
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{"NiAutoNormalParticles" , &construct <NiParticles , RC_NiParticles >},
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{"NiCamera" , &construct <NiCamera , RC_NiCamera >},
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{"RootCollisionNode" , &construct <NiNode , RC_RootCollisionNode >},
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{"NiTexturingProperty" , &construct <NiTexturingProperty , RC_NiTexturingProperty >},
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{"NiFogProperty" , &construct <NiFogProperty , RC_NiFogProperty >},
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{"NiMaterialProperty" , &construct <NiMaterialProperty , RC_NiMaterialProperty >},
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{"NiZBufferProperty" , &construct <NiZBufferProperty , RC_NiZBufferProperty >},
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{"NiAlphaProperty" , &construct <NiAlphaProperty , RC_NiAlphaProperty >},
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{"NiVertexColorProperty" , &construct <NiVertexColorProperty , RC_NiVertexColorProperty >},
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{"NiShadeProperty" , &construct <NiShadeProperty , RC_NiShadeProperty >},
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{"NiDitherProperty" , &construct <NiDitherProperty , RC_NiDitherProperty >},
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{"NiWireframeProperty" , &construct <NiWireframeProperty , RC_NiWireframeProperty >},
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{"NiSpecularProperty" , &construct <NiSpecularProperty , RC_NiSpecularProperty >},
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{"NiStencilProperty" , &construct <NiStencilProperty , RC_NiStencilProperty >},
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{"NiVisController" , &construct <NiVisController , RC_NiVisController >},
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{"NiGeomMorpherController" , &construct <NiGeomMorpherController , RC_NiGeomMorpherController >},
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{"NiKeyframeController" , &construct <NiKeyframeController , RC_NiKeyframeController >},
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{"NiAlphaController" , &construct <NiAlphaController , RC_NiAlphaController >},
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{"NiRollController" , &construct <NiRollController , RC_NiRollController >},
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{"NiUVController" , &construct <NiUVController , RC_NiUVController >},
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{"NiPathController" , &construct <NiPathController , RC_NiPathController >},
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{"NiMaterialColorController" , &construct <NiMaterialColorController , RC_NiMaterialColorController >},
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{"NiBSPArrayController" , &construct <NiBSPArrayController , RC_NiBSPArrayController >},
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{"NiParticleSystemController" , &construct <NiParticleSystemController , RC_NiParticleSystemController >},
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{"NiFlipController" , &construct <NiFlipController , RC_NiFlipController >},
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{"NiAmbientLight" , &construct <NiLight , RC_NiLight >},
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{"NiDirectionalLight" , &construct <NiLight , RC_NiLight >},
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{"NiPointLight" , &construct <NiPointLight , RC_NiLight >},
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{"NiSpotLight" , &construct <NiSpotLight , RC_NiLight >},
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{"NiTextureEffect" , &construct <NiTextureEffect , RC_NiTextureEffect >},
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{"NiExtraData" , &construct <NiExtraData , RC_NiExtraData >},
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{"NiVertWeightsExtraData" , &construct <NiVertWeightsExtraData , RC_NiVertWeightsExtraData >},
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{"NiTextKeyExtraData" , &construct <NiTextKeyExtraData , RC_NiTextKeyExtraData >},
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{"NiStringExtraData" , &construct <NiStringExtraData , RC_NiStringExtraData >},
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{"NiGravity" , &construct <NiGravity , RC_NiGravity >},
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{"NiPlanarCollider" , &construct <NiPlanarCollider , RC_NiPlanarCollider >},
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{"NiSphericalCollider" , &construct <NiSphericalCollider , RC_NiSphericalCollider >},
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{"NiParticleGrowFade" , &construct <NiParticleGrowFade , RC_NiParticleGrowFade >},
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{"NiParticleColorModifier" , &construct <NiParticleColorModifier , RC_NiParticleColorModifier >},
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{"NiParticleRotation" , &construct <NiParticleRotation , RC_NiParticleRotation >},
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{"NiFloatData" , &construct <NiFloatData , RC_NiFloatData >},
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{"NiTriShapeData" , &construct <NiTriShapeData , RC_NiTriShapeData >},
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{"NiTriStripsData" , &construct <NiTriStripsData , RC_NiTriStripsData >},
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{"NiLinesData" , &construct <NiLinesData , RC_NiLinesData >},
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{"NiVisData" , &construct <NiVisData , RC_NiVisData >},
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{"NiColorData" , &construct <NiColorData , RC_NiColorData >},
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{"NiPixelData" , &construct <NiPixelData , RC_NiPixelData >},
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{"NiMorphData" , &construct <NiMorphData , RC_NiMorphData >},
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{"NiKeyframeData" , &construct <NiKeyframeData , RC_NiKeyframeData >},
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{"NiSkinData" , &construct <NiSkinData , RC_NiSkinData >},
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{"NiUVData" , &construct <NiUVData , RC_NiUVData >},
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{"NiPosData" , &construct <NiPosData , RC_NiPosData >},
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{"NiParticlesData" , &construct <NiParticlesData , RC_NiParticlesData >},
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{"NiRotatingParticlesData" , &construct <NiRotatingParticlesData , RC_NiParticlesData >},
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{"NiAutoNormalParticlesData" , &construct <NiParticlesData , RC_NiParticlesData >},
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{"NiSequenceStreamHelper" , &construct <NiSequenceStreamHelper , RC_NiSequenceStreamHelper >},
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{"NiSourceTexture" , &construct <NiSourceTexture , RC_NiSourceTexture >},
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{"NiSkinInstance" , &construct <NiSkinInstance , RC_NiSkinInstance >},
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{"NiLookAtController" , &construct <NiLookAtController , RC_NiLookAtController >},
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{"NiPalette" , &construct <NiPalette , RC_NiPalette >},
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{"NiIntegerExtraData" , &construct <NiIntegerExtraData , RC_NiIntegerExtraData >},
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{"NiIntegersExtraData" , &construct <NiIntegersExtraData , RC_NiIntegersExtraData >},
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{"NiBinaryExtraData" , &construct <NiBinaryExtraData , RC_NiBinaryExtraData >},
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{"NiBooleanExtraData" , &construct <NiBooleanExtraData , RC_NiBooleanExtraData >},
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{"NiVectorExtraData" , &construct <NiVectorExtraData , RC_NiVectorExtraData >},
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{"NiColorExtraData" , &construct <NiVectorExtraData , RC_NiColorExtraData >},
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{"NiFloatExtraData" , &construct <NiFloatExtraData , RC_NiFloatExtraData >},
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{"NiFloatsExtraData" , &construct <NiFloatsExtraData , RC_NiFloatsExtraData >},
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{"NiStringPalette" , &construct <NiStringPalette , RC_NiStringPalette >},
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{"NiBoolData" , &construct <NiBoolData , RC_NiBoolData >},
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{"NiSkinPartition" , &construct <NiSkinPartition , RC_NiSkinPartition >},
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{"BSXFlags" , &construct <NiIntegerExtraData , RC_BSXFlags >},
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{"BSBound" , &construct <BSBound , RC_BSBound >},
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{"NiTransformData" , &construct <NiKeyframeData , RC_NiKeyframeData >},
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{"BSFadeNode" , &construct <NiNode , RC_NiNode >},
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{"bhkBlendController" , &construct <bhkBlendController , RC_bhkBlendController >},
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{"NiFloatInterpolator" , &construct <NiFloatInterpolator , RC_NiFloatInterpolator >},
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{"NiBoolInterpolator" , &construct <NiBoolInterpolator , RC_NiBoolInterpolator >},
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{"NiPoint3Interpolator" , &construct <NiPoint3Interpolator , RC_NiPoint3Interpolator >},
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{"NiTransformController" , &construct <NiKeyframeController , RC_NiKeyframeController >},
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{"NiTransformInterpolator" , &construct <NiTransformInterpolator , RC_NiTransformInterpolator >},
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{"NiColorInterpolator" , &construct <NiColorInterpolator , RC_NiColorInterpolator >},
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{"BSShaderTextureSet" , &construct <BSShaderTextureSet , RC_BSShaderTextureSet >},
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{"BSLODTriShape" , &construct <BSLODTriShape , RC_BSLODTriShape >},
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{"BSShaderProperty" , &construct <BSShaderProperty , RC_BSShaderProperty >},
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{"BSShaderPPLightingProperty" , &construct <BSShaderPPLightingProperty , RC_BSShaderPPLightingProperty >},
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{"BSShaderNoLightingProperty" , &construct <BSShaderNoLightingProperty , RC_BSShaderNoLightingProperty >},
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{"BSFurnitureMarker" , &construct <BSFurnitureMarker , RC_BSFurnitureMarker >},
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{"NiCollisionObject" , &construct <NiCollisionObject , RC_NiCollisionObject >},
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{"bhkCollisionObject" , &construct <bhkCollisionObject , RC_bhkCollisionObject >},
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{"BSDismemberSkinInstance" , &construct <BSDismemberSkinInstance , RC_BSDismemberSkinInstance >},
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{"NiControllerManager" , &construct <NiControllerManager , RC_NiControllerManager >},
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{"bhkMoppBvTreeShape" , &construct <bhkMoppBvTreeShape , RC_bhkMoppBvTreeShape >},
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{"bhkNiTriStripsShape" , &construct <bhkNiTriStripsShape , RC_bhkNiTriStripsShape >},
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{"bhkPackedNiTriStripsShape" , &construct <bhkPackedNiTriStripsShape , RC_bhkPackedNiTriStripsShape >},
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{"hkPackedNiTriStripsData" , &construct <hkPackedNiTriStripsData , RC_hkPackedNiTriStripsData >},
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{"bhkConvexVerticesShape" , &construct <bhkConvexVerticesShape , RC_bhkConvexVerticesShape >},
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{"bhkBoxShape" , &construct <bhkBoxShape , RC_bhkBoxShape >},
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{"bhkListShape" , &construct <bhkListShape , RC_bhkListShape >},
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{"bhkRigidBody" , &construct <bhkRigidBody , RC_bhkRigidBody >},
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{"bhkRigidBodyT" , &construct <bhkRigidBody , RC_bhkRigidBodyT >},
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{"BSLightingShaderProperty" , &construct <BSLightingShaderProperty , RC_BSLightingShaderProperty >},
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{"NiSortAdjustNode" , &construct <NiSortAdjustNode , RC_NiSortAdjustNode >},
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{"NiClusterAccumulator" , &construct <NiClusterAccumulator , RC_NiClusterAccumulator >},
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{"NiAlphaAccumulator" , &construct <NiAlphaAccumulator , RC_NiAlphaAccumulator >},
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};
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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, CreateRecord> 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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const std::array<std::uint64_t, 2> fileHash = Files::getHash(filename, *stream);
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hash.append(reinterpret_cast<const char*>(fileHash.data()), fileHash.size() * sizeof(std::uint64_t));
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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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const bool supportedHeader = std::any_of(verStrings.begin(), verStrings.end(),
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[&] (const std::string& verString) { return head.compare(0, verString.size(), verString) == 0; });
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if (!supportedHeader)
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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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// 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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const bool supportedVersion = std::find(supportedVers.begin(), supportedVers.end(), ver) != supportedVers.end();
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if (!supportedVersion)
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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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const std::size_t 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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const std::size_t 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 (std::size_t i = 0; i < recNum; i++)
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{
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std::unique_ptr<Record> r;
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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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const auto entry = factories.find(rec);
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if (entry == factories.end())
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fail("Unknown record type " + rec);
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r = entry->second();
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if (!supportedVersion)
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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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r->read(&nif);
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records[i] = std::move(r);
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}
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const std::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 (std::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 && static_cast<std::size_t>(idx) < records.size())
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{
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roots[i] = records[idx].get();
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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("Root " + std::to_string(i + 1) + " does not point to a record: index " + std::to_string(idx));
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}
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}
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// Once parsing is done, do post-processing.
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for (const auto& 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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std::atomic_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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