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Diffstat (limited to 'src/3rdparty/assimp/code/ColladaHelper.h')
| -rw-r--r-- | src/3rdparty/assimp/code/ColladaHelper.h | 703 |
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diff --git a/src/3rdparty/assimp/code/ColladaHelper.h b/src/3rdparty/assimp/code/ColladaHelper.h deleted file mode 100644 index e691a6062..000000000 --- a/src/3rdparty/assimp/code/ColladaHelper.h +++ /dev/null @@ -1,703 +0,0 @@ -/** Helper structures for the Collada loader */ - -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2017, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#ifndef AI_COLLADAHELPER_H_INC -#define AI_COLLADAHELPER_H_INC - -#include <map> -#include <vector> -#include <stdint.h> -#include <assimp/light.h> -#include <assimp/mesh.h> -#include <assimp/material.h> - -struct aiMaterial; - -namespace Assimp { -namespace Collada { - -/** Collada file versions which evolved during the years ... */ -enum FormatVersion -{ - FV_1_5_n, - FV_1_4_n, - FV_1_3_n -}; - - -/** Transformation types that can be applied to a node */ -enum TransformType -{ - TF_LOOKAT, - TF_ROTATE, - TF_TRANSLATE, - TF_SCALE, - TF_SKEW, - TF_MATRIX -}; - -/** Different types of input data to a vertex or face */ -enum InputType -{ - IT_Invalid, - IT_Vertex, // special type for per-index data referring to the <vertices> element carrying the per-vertex data. - IT_Position, - IT_Normal, - IT_Texcoord, - IT_Color, - IT_Tangent, - IT_Bitangent -}; - -/** Supported controller types */ -enum ControllerType -{ - Skin, - Morph -}; - -/** Supported morph methods */ -enum MorphMethod -{ - Normalized, - Relative -}; - - -/** Contains all data for one of the different transformation types */ -struct Transform -{ - std::string mID; ///< SID of the transform step, by which anim channels address their target node - TransformType mType; - ai_real f[16]; ///< Interpretation of data depends on the type of the transformation -}; - -/** A collada camera. */ -struct Camera -{ - Camera() - : mOrtho (false) - , mHorFov (10e10f) - , mVerFov (10e10f) - , mAspect (10e10f) - , mZNear (0.1f) - , mZFar (1000.f) - {} - - // Name of camera - std::string mName; - - // True if it is an orthografic camera - bool mOrtho; - - //! Horizontal field of view in degrees - ai_real mHorFov; - - //! Vertical field of view in degrees - ai_real mVerFov; - - //! Screen aspect - ai_real mAspect; - - //! Near& far z - ai_real mZNear, mZFar; -}; - -#define ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET 1e9f - -/** A collada light source. */ -struct Light -{ - Light() - : mType (aiLightSource_UNDEFINED) - , mAttConstant (1.f) - , mAttLinear (0.f) - , mAttQuadratic (0.f) - , mFalloffAngle (180.f) - , mFalloffExponent (0.f) - , mPenumbraAngle (ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET) - , mOuterAngle (ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET) - , mIntensity (1.f) - {} - - //! Type of the light source aiLightSourceType + ambient - unsigned int mType; - - //! Color of the light - aiColor3D mColor; - - //! Light attenuation - ai_real mAttConstant,mAttLinear,mAttQuadratic; - - //! Spot light falloff - ai_real mFalloffAngle; - ai_real mFalloffExponent; - - // ----------------------------------------------------- - // FCOLLADA extension from here - - //! ... related stuff from maja and max extensions - ai_real mPenumbraAngle; - ai_real mOuterAngle; - - //! Common light intensity - ai_real mIntensity; -}; - -/** Short vertex index description */ -struct InputSemanticMapEntry -{ - InputSemanticMapEntry() - : mSet(0) - , mType(IT_Invalid) - {} - - //! Index of set, optional - unsigned int mSet; - - //! Type of referenced vertex input - InputType mType; -}; - -/** Table to map from effect to vertex input semantics */ -struct SemanticMappingTable -{ - //! Name of material - std::string mMatName; - - //! List of semantic map commands, grouped by effect semantic name - std::map<std::string, InputSemanticMapEntry> mMap; - - //! For std::find - bool operator == (const std::string& s) const { - return s == mMatName; - } -}; - -/** A reference to a mesh inside a node, including materials assigned to the various subgroups. - * The ID refers to either a mesh or a controller which specifies the mesh - */ -struct MeshInstance -{ - ///< ID of the mesh or controller to be instanced - std::string mMeshOrController; - - ///< Map of materials by the subgroup ID they're applied to - std::map<std::string, SemanticMappingTable> mMaterials; -}; - -/** A reference to a camera inside a node*/ -struct CameraInstance -{ - ///< ID of the camera - std::string mCamera; -}; - -/** A reference to a light inside a node*/ -struct LightInstance -{ - ///< ID of the camera - std::string mLight; -}; - -/** A reference to a node inside a node*/ -struct NodeInstance -{ - ///< ID of the node - std::string mNode; -}; - -/** A node in a scene hierarchy */ -struct Node -{ - std::string mName; - std::string mID; - std::string mSID; - Node* mParent; - std::vector<Node*> mChildren; - - /** Operations in order to calculate the resulting transformation to parent. */ - std::vector<Transform> mTransforms; - - /** Meshes at this node */ - std::vector<MeshInstance> mMeshes; - - /** Lights at this node */ - std::vector<LightInstance> mLights; - - /** Cameras at this node */ - std::vector<CameraInstance> mCameras; - - /** Node instances at this node */ - std::vector<NodeInstance> mNodeInstances; - - /** Rootnodes: Name of primary camera, if any */ - std::string mPrimaryCamera; - - //! Constructor. Begin with a zero parent - Node() { - mParent = NULL; - } - - //! Destructor: delete all children subsequently - ~Node() { - for( std::vector<Node*>::iterator it = mChildren.begin(); it != mChildren.end(); ++it) - delete *it; - } -}; - -/** Data source array: either floats or strings */ -struct Data -{ - bool mIsStringArray; - std::vector<ai_real> mValues; - std::vector<std::string> mStrings; -}; - -/** Accessor to a data array */ -struct Accessor -{ - size_t mCount; // in number of objects - size_t mSize; // size of an object, in elements (floats or strings, mostly 1) - size_t mOffset; // in number of values - size_t mStride; // Stride in number of values - std::vector<std::string> mParams; // names of the data streams in the accessors. Empty string tells to ignore. - size_t mSubOffset[4]; // Suboffset inside the object for the common 4 elements. For a vector, that's XYZ, for a color RGBA and so on. - // For example, SubOffset[0] denotes which of the values inside the object is the vector X component. - std::string mSource; // URL of the source array - mutable const Data* mData; // Pointer to the source array, if resolved. NULL else - - Accessor() - { - mCount = 0; mSize = 0; mOffset = 0; mStride = 0; mData = NULL; - mSubOffset[0] = mSubOffset[1] = mSubOffset[2] = mSubOffset[3] = 0; - } -}; - -/** A single face in a mesh */ -struct Face -{ - std::vector<size_t> mIndices; -}; - -/** An input channel for mesh data, referring to a single accessor */ -struct InputChannel -{ - InputType mType; // Type of the data - size_t mIndex; // Optional index, if multiple sets of the same data type are given - size_t mOffset; // Index offset in the indices array of per-face indices. Don't ask, can't explain that any better. - std::string mAccessor; // ID of the accessor where to read the actual values from. - mutable const Accessor* mResolved; // Pointer to the accessor, if resolved. NULL else - - InputChannel() { mType = IT_Invalid; mIndex = 0; mOffset = 0; mResolved = NULL; } -}; - -/** Subset of a mesh with a certain material */ -struct SubMesh -{ - std::string mMaterial; ///< subgroup identifier - size_t mNumFaces; ///< number of faces in this submesh -}; - -/** Contains data for a single mesh */ -struct Mesh -{ - Mesh() - { - for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS;++i) - mNumUVComponents[i] = 2; - } - - std::string mName; - - // just to check if there's some sophisticated addressing involved... - // which we don't support, and therefore should warn about. - std::string mVertexID; - - // Vertex data addressed by vertex indices - std::vector<InputChannel> mPerVertexData; - - // actual mesh data, assembled on encounter of a <p> element. Verbose format, not indexed - std::vector<aiVector3D> mPositions; - std::vector<aiVector3D> mNormals; - std::vector<aiVector3D> mTangents; - std::vector<aiVector3D> mBitangents; - std::vector<aiVector3D> mTexCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS]; - std::vector<aiColor4D> mColors[AI_MAX_NUMBER_OF_COLOR_SETS]; - - unsigned int mNumUVComponents[AI_MAX_NUMBER_OF_TEXTURECOORDS]; - - // Faces. Stored are only the number of vertices for each face. - // 1 == point, 2 == line, 3 == triangle, 4+ == poly - std::vector<size_t> mFaceSize; - - // Position indices for all faces in the sequence given in mFaceSize - - // necessary for bone weight assignment - std::vector<size_t> mFacePosIndices; - - // Submeshes in this mesh, each with a given material - std::vector<SubMesh> mSubMeshes; -}; - -/** Which type of primitives the ReadPrimitives() function is going to read */ -enum PrimitiveType -{ - Prim_Invalid, - Prim_Lines, - Prim_LineStrip, - Prim_Triangles, - Prim_TriStrips, - Prim_TriFans, - Prim_Polylist, - Prim_Polygon -}; - -/** A skeleton controller to deform a mesh with the use of joints */ -struct Controller -{ - // controller type - ControllerType mType; - - // Morphing method if type is Morph - MorphMethod mMethod; - - // the URL of the mesh deformed by the controller. - std::string mMeshId; - - // accessor URL of the joint names - std::string mJointNameSource; - - ///< The bind shape matrix, as array of floats. I'm not sure what this matrix actually describes, but it can't be ignored in all cases - ai_real mBindShapeMatrix[16]; - - // accessor URL of the joint inverse bind matrices - std::string mJointOffsetMatrixSource; - - // input channel: joint names. - InputChannel mWeightInputJoints; - // input channel: joint weights - InputChannel mWeightInputWeights; - - // Number of weights per vertex. - std::vector<size_t> mWeightCounts; - - // JointIndex-WeightIndex pairs for all vertices - std::vector< std::pair<size_t, size_t> > mWeights; - - std::string mMorphTarget; - std::string mMorphWeight; -}; - -/** A collada material. Pretty much the only member is a reference to an effect. */ -struct Material -{ - std::string mName; - std::string mEffect; -}; - -/** Type of the effect param */ -enum ParamType -{ - Param_Sampler, - Param_Surface -}; - -/** A param for an effect. Might be of several types, but they all just refer to each other, so I summarize them */ -struct EffectParam -{ - ParamType mType; - std::string mReference; // to which other thing the param is referring to. -}; - -/** Shading type supported by the standard effect spec of Collada */ -enum ShadeType -{ - Shade_Invalid, - Shade_Constant, - Shade_Lambert, - Shade_Phong, - Shade_Blinn -}; - -/** Represents a texture sampler in collada */ -struct Sampler -{ - Sampler() - : mWrapU (true) - , mWrapV (true) - , mMirrorU () - , mMirrorV () - , mOp (aiTextureOp_Multiply) - , mUVId (UINT_MAX) - , mWeighting (1.f) - , mMixWithPrevious (1.f) - {} - - /** Name of image reference - */ - std::string mName; - - /** Wrap U? - */ - bool mWrapU; - - /** Wrap V? - */ - bool mWrapV; - - /** Mirror U? - */ - bool mMirrorU; - - /** Mirror V? - */ - bool mMirrorV; - - /** Blend mode - */ - aiTextureOp mOp; - - /** UV transformation - */ - aiUVTransform mTransform; - - /** Name of source UV channel - */ - std::string mUVChannel; - - /** Resolved UV channel index or UINT_MAX if not known - */ - unsigned int mUVId; - - // OKINO/MAX3D extensions from here - // ------------------------------------------------------- - - /** Weighting factor - */ - ai_real mWeighting; - - /** Mixing factor from OKINO - */ - ai_real mMixWithPrevious; -}; - -/** A collada effect. Can contain about anything according to the Collada spec, - but we limit our version to a reasonable subset. */ -struct Effect -{ - // Shading mode - ShadeType mShadeType; - - // Colors - aiColor4D mEmissive, mAmbient, mDiffuse, mSpecular, - mTransparent, mReflective; - - // Textures - Sampler mTexEmissive, mTexAmbient, mTexDiffuse, mTexSpecular, - mTexTransparent, mTexBump, mTexReflective; - - // Scalar factory - ai_real mShininess, mRefractIndex, mReflectivity; - ai_real mTransparency; - bool mHasTransparency; - bool mRGBTransparency; - bool mInvertTransparency; - - // local params referring to each other by their SID - typedef std::map<std::string, Collada::EffectParam> ParamLibrary; - ParamLibrary mParams; - - // MAX3D extensions - // --------------------------------------------------------- - // Double-sided? - bool mDoubleSided, mWireframe, mFaceted; - - Effect() - : mShadeType (Shade_Phong) - , mEmissive ( 0, 0, 0, 1) - , mAmbient ( 0.1f, 0.1f, 0.1f, 1) - , mDiffuse ( 0.6f, 0.6f, 0.6f, 1) - , mSpecular ( 0.4f, 0.4f, 0.4f, 1) - , mTransparent ( 0, 0, 0, 1) - , mShininess (10.0f) - , mRefractIndex (1.f) - , mReflectivity (0.f) - , mTransparency (1.f) - , mHasTransparency (false) - , mRGBTransparency(false) - , mInvertTransparency(false) - , mDoubleSided (false) - , mWireframe (false) - , mFaceted (false) - { - } -}; - -/** An image, meaning texture */ -struct Image -{ - std::string mFileName; - - /** If image file name is zero, embedded image data - */ - std::vector<uint8_t> mImageData; - - /** If image file name is zero, file format of - * embedded image data. - */ - std::string mEmbeddedFormat; - -}; - -/** An animation channel. */ -struct AnimationChannel -{ - /** URL of the data to animate. Could be about anything, but we support only the - * "NodeID/TransformID.SubElement" notation - */ - std::string mTarget; - - /** Source URL of the time values. Collada calls them "input". Meh. */ - std::string mSourceTimes; - /** Source URL of the value values. Collada calls them "output". */ - std::string mSourceValues; - /** Source URL of the IN_TANGENT semantic values. */ - std::string mInTanValues; - /** Source URL of the OUT_TANGENT semantic values. */ - std::string mOutTanValues; - /** Source URL of the INTERPOLATION semantic values. */ - std::string mInterpolationValues; -}; - -/** An animation. Container for 0-x animation channels or 0-x animations */ -struct Animation -{ - /** Anim name */ - std::string mName; - - /** the animation channels, if any */ - std::vector<AnimationChannel> mChannels; - - /** the sub-animations, if any */ - std::vector<Animation*> mSubAnims; - - /** Destructor */ - ~Animation() - { - for( std::vector<Animation*>::iterator it = mSubAnims.begin(); it != mSubAnims.end(); ++it) - delete *it; - } - - /** Collect all channels in the animation hierarchy into a single channel list. */ - void CollectChannelsRecursively(std::vector<AnimationChannel> &channels) - { - channels.insert(channels.end(), mChannels.begin(), mChannels.end()); - - for (std::vector<Animation*>::iterator it = mSubAnims.begin(); it != mSubAnims.end(); ++it) - { - Animation *pAnim = (*it); - - pAnim->CollectChannelsRecursively(channels); - } - } - - /** Combine all single-channel animations' channel into the same (parent) animation channel list. */ - void CombineSingleChannelAnimations() - { - CombineSingleChannelAnimationsRecursively(this); - } - - void CombineSingleChannelAnimationsRecursively(Animation *pParent) - { - for (std::vector<Animation*>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();) - { - Animation *anim = *it; - - CombineSingleChannelAnimationsRecursively(anim); - - if (anim->mChannels.size() == 1) - { - pParent->mChannels.push_back(anim->mChannels[0]); - - it = pParent->mSubAnims.erase(it); - - delete anim; - } - else - { - ++it; - } - } - } -}; - -/** Description of a collada animation channel which has been determined to affect the current node */ -struct ChannelEntry -{ - const Collada::AnimationChannel* mChannel; ///> the source channel - std::string mTargetId; - std::string mTransformId; // the ID of the transformation step of the node which is influenced - size_t mTransformIndex; // Index into the node's transform chain to apply the channel to - size_t mSubElement; // starting index inside the transform data - - // resolved data references - const Collada::Accessor* mTimeAccessor; ///> Collada accessor to the time values - const Collada::Data* mTimeData; ///> Source data array for the time values - const Collada::Accessor* mValueAccessor; ///> Collada accessor to the key value values - const Collada::Data* mValueData; ///> Source datat array for the key value values - - ChannelEntry() - : mChannel() - , mTransformIndex() - , mSubElement() - , mTimeAccessor() - , mTimeData() - , mValueAccessor() - , mValueData() - {} -}; - -} // end of namespace Collada -} // end of namespace Assimp - -#endif // AI_COLLADAHELPER_H_INC |