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authorsanine <sanine.not@pm.me>2022-04-16 11:55:54 -0500
committersanine <sanine.not@pm.me>2022-04-16 11:55:54 -0500
commit8fb7916a0d0cb007a4c3a4e6a31af58765268ca3 (patch)
tree52b5524a94a5b04e17a1fd7f8aca988ab6d0c75f /src/mesh/assimp-master/code/AssetLib/LWO/LWOLoader.h
parentdb81b925d776103326128bf629cbdda576a223e7 (diff)
delete src/mesh/assimp-master
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diff --git a/src/mesh/assimp-master/code/AssetLib/LWO/LWOLoader.h b/src/mesh/assimp-master/code/AssetLib/LWO/LWOLoader.h
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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, 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.
-
-----------------------------------------------------------------------
-*/
-
-/** @file Declaration of the LWO importer class. */
-#pragma once
-#ifndef AI_LWOLOADER_H_INCLUDED
-#define AI_LWOLOADER_H_INCLUDED
-
-#include "LWOFileData.h"
-#include <assimp/BaseImporter.h>
-#include <assimp/material.h>
-#include <assimp/DefaultLogger.hpp>
-
-#include <map>
-
-struct aiTexture;
-struct aiNode;
-struct aiMaterial;
-
-namespace Assimp {
-using namespace LWO;
-
-// ---------------------------------------------------------------------------
-/** Class to load LWO files.
- *
- * @note Methods named "xxxLWO2[xxx]" are used with the newer LWO2 format.
- * Methods named "xxxLWOB[xxx]" are used with the older LWOB format.
- * Methods named "xxxLWO[xxx]" are used with both formats.
- * Methods named "xxx" are used to preprocess the loaded data -
- * they aren't specific to one format version
-*/
-// ---------------------------------------------------------------------------
-class LWOImporter : public BaseImporter {
-public:
- LWOImporter();
- ~LWOImporter() override;
-
- // -------------------------------------------------------------------
- /** Returns whether the class can handle the format of the given file.
- * See BaseImporter::CanRead() for details.
- */
- bool CanRead(const std::string &pFile, IOSystem *pIOHandler,
- bool checkSig) const override;
-
- // -------------------------------------------------------------------
- /** Called prior to ReadFile().
- * The function is a request to the importer to update its configuration
- * basing on the Importer's configuration property list.
- */
- void SetupProperties(const Importer *pImp) override;
-
-protected:
- // -------------------------------------------------------------------
- // Get list of supported extensions
- const aiImporterDesc *GetInfo() const override;
-
- // -------------------------------------------------------------------
- /** Imports the given file into the given scene structure.
- * See BaseImporter::InternReadFile() for details
- */
- void InternReadFile(const std::string &pFile, aiScene *pScene,
- IOSystem *pIOHandler) override;
-
-private:
- // -------------------------------------------------------------------
- /** Loads a LWO file in the older LWOB format (LW < 6)
- */
- void LoadLWOBFile();
-
- // -------------------------------------------------------------------
- /** Loads a LWO file in the newer LWO2 format (LW >= 6)
- */
- void LoadLWO2File();
-
- // -------------------------------------------------------------------
- /** Parsing functions used for all file format versions
- */
- inline void GetS0(std::string &out, unsigned int max);
- inline float GetF4();
- inline uint32_t GetU4();
- inline uint16_t GetU2();
- inline uint8_t GetU1();
-
- // -------------------------------------------------------------------
- /** Loads a surface chunk from an LWOB file
- * @param size Maximum size to be read, in bytes.
- */
- void LoadLWOBSurface(unsigned int size);
-
- // -------------------------------------------------------------------
- /** Loads a surface chunk from an LWO2 file
- * @param size Maximum size to be read, in bytes.
- */
- void LoadLWO2Surface(unsigned int size);
-
- // -------------------------------------------------------------------
- /** Loads a texture block from a LWO2 file.
- * @param size Maximum size to be read, in bytes.
- * @param head Header of the SUF.BLOK header
- */
- void LoadLWO2TextureBlock(LE_NCONST IFF::SubChunkHeader *head,
- unsigned int size);
-
- // -------------------------------------------------------------------
- /** Loads a shader block from a LWO2 file.
- * @param size Maximum size to be read, in bytes.
- * @param head Header of the SUF.BLOK header
- */
- void LoadLWO2ShaderBlock(LE_NCONST IFF::SubChunkHeader *head,
- unsigned int size);
-
- // -------------------------------------------------------------------
- /** Loads an image map from a LWO2 file
- * @param size Maximum size to be read, in bytes.
- * @param tex Texture object to be filled
- */
- void LoadLWO2ImageMap(unsigned int size, LWO::Texture &tex);
- void LoadLWO2Gradient(unsigned int size, LWO::Texture &tex);
- void LoadLWO2Procedural(unsigned int size, LWO::Texture &tex);
-
- // loads the header - used by thethree functions above
- void LoadLWO2TextureHeader(unsigned int size, LWO::Texture &tex);
-
- // -------------------------------------------------------------------
- /** Loads the LWO tag list from the file
- * @param size Maximum size to be read, in bytes.
- */
- void LoadLWOTags(unsigned int size);
-
- // -------------------------------------------------------------------
- /** Load polygons from a POLS chunk
- * @param length Size of the chunk
- */
- void LoadLWO2Polygons(unsigned int length);
- void LoadLWOBPolygons(unsigned int length);
-
- // -------------------------------------------------------------------
- /** Load polygon tags from a PTAG chunk
- * @param length Size of the chunk
- */
- void LoadLWO2PolygonTags(unsigned int length);
-
- // -------------------------------------------------------------------
- /** Load a vertex map from a VMAP/VMAD chunk
- * @param length Size of the chunk
- * @param perPoly Operate on per-polygon base?
- */
- void LoadLWO2VertexMap(unsigned int length, bool perPoly);
-
- // -------------------------------------------------------------------
- /** Load polygons from a PNTS chunk
- * @param length Size of the chunk
- */
- void LoadLWOPoints(unsigned int length);
-
- // -------------------------------------------------------------------
- /** Load a clip from a CLIP chunk
- * @param length Size of the chunk
- */
- void LoadLWO2Clip(unsigned int length);
-
- // -------------------------------------------------------------------
- /** Load an envelope from an EVL chunk
- * @param length Size of the chunk
- */
- void LoadLWO2Envelope(unsigned int length);
-
- // -------------------------------------------------------------------
- /** Count vertices and faces in a LWOB/LWO2 file
- */
- void CountVertsAndFacesLWO2(unsigned int &verts,
- unsigned int &faces,
- uint16_t *&cursor,
- const uint16_t *const end,
- unsigned int max = UINT_MAX);
-
- void CountVertsAndFacesLWOB(unsigned int &verts,
- unsigned int &faces,
- LE_NCONST uint16_t *&cursor,
- const uint16_t *const end,
- unsigned int max = UINT_MAX);
-
- // -------------------------------------------------------------------
- /** Read vertices and faces in a LWOB/LWO2 file
- */
- void CopyFaceIndicesLWO2(LWO::FaceList::iterator &it,
- uint16_t *&cursor,
- const uint16_t *const end);
-
- // -------------------------------------------------------------------
- void CopyFaceIndicesLWOB(LWO::FaceList::iterator &it,
- LE_NCONST uint16_t *&cursor,
- const uint16_t *const end,
- unsigned int max = UINT_MAX);
-
- // -------------------------------------------------------------------
- /** Resolve the tag and surface lists that have been loaded.
- * Generates the mMapping table.
- */
- void ResolveTags();
-
- // -------------------------------------------------------------------
- /** Resolve the clip list that has been loaded.
- * Replaces clip references with real clips.
- */
- void ResolveClips();
-
- // -------------------------------------------------------------------
- /** Add a texture list to an output material description.
- *
- * @param pcMat Output material
- * @param in Input texture list
- * @param type Type identifier of the texture list
- */
- bool HandleTextures(aiMaterial *pcMat, const TextureList &in,
- aiTextureType type);
-
- // -------------------------------------------------------------------
- /** Adjust a texture path
- */
- void AdjustTexturePath(std::string &out);
-
- // -------------------------------------------------------------------
- /** Convert a LWO surface description to an ASSIMP material
- */
- void ConvertMaterial(const LWO::Surface &surf, aiMaterial *pcMat);
-
- // -------------------------------------------------------------------
- /** Get a list of all UV/VC channels required by a specific surface.
- *
- * @param surf Working surface
- * @param layer Working layer
- * @param out Output list. The members are indices into the
- * UV/VC channel lists of the layer
- */
- void FindUVChannels(/*const*/ LWO::Surface &surf,
- LWO::SortedRep &sorted,
- /*const*/ LWO::Layer &layer,
- unsigned int out[AI_MAX_NUMBER_OF_TEXTURECOORDS]);
-
- // -------------------------------------------------------------------
- char FindUVChannels(LWO::TextureList &list,
- LWO::Layer &layer, LWO::UVChannel &uv, unsigned int next);
-
- // -------------------------------------------------------------------
- void FindVCChannels(const LWO::Surface &surf,
- LWO::SortedRep &sorted,
- const LWO::Layer &layer,
- unsigned int out[AI_MAX_NUMBER_OF_COLOR_SETS]);
-
- // -------------------------------------------------------------------
- /** Generate the final node graph
- * Unused nodes are deleted.
- * @param apcNodes Flat list of nodes
- */
- void GenerateNodeGraph(std::map<uint16_t, aiNode *> &apcNodes);
-
- // -------------------------------------------------------------------
- /** Add children to a node
- * @param node Node to become a father
- * @param parent Index of the node
- * @param apcNodes Flat list of nodes - used nodes are set to nullptr.
- */
- void AddChildren(aiNode *node, uint16_t parent,
- std::vector<aiNode *> &apcNodes);
-
- // -------------------------------------------------------------------
- /** Read a variable sized integer
- * @param inout Input and output buffer
- */
- int ReadVSizedIntLWO2(uint8_t *&inout);
-
- // -------------------------------------------------------------------
- /** Assign a value from a VMAP to a vertex and all vertices
- * attached to it.
- * @param base VMAP destination data
- * @param numRead Number of float's to be read
- * @param idx Absolute index of the first vertex
- * @param data Value of the VMAP to be assigned - read numRead
- * floats from this array.
- */
- void DoRecursiveVMAPAssignment(VMapEntry *base, unsigned int numRead,
- unsigned int idx, float *data);
-
- // -------------------------------------------------------------------
- /** Compute normal vectors for a mesh
- * @param mesh Input mesh
- * @param smoothingGroups Smoothing-groups-per-face array
- * @param surface Surface for the mesh
- */
- void ComputeNormals(aiMesh *mesh, const std::vector<unsigned int> &smoothingGroups,
- const LWO::Surface &surface);
-
- // -------------------------------------------------------------------
- /** Setup a new texture after the corresponding chunk was
- * encountered in the file.
- * @param list Texture list
- * @param size Maximum number of bytes to be read
- * @return Pointer to new texture
- */
- LWO::Texture *SetupNewTextureLWOB(LWO::TextureList &list,
- unsigned int size);
-
-protected:
- /** true if the file is a LWO2 file*/
- bool mIsLWO2;
-
- /** true if the file is a LXOB file*/
- bool mIsLXOB;
-
- /** Temporary list of layers from the file */
- LayerList *mLayers;
-
- /** Pointer to the current layer */
- LWO::Layer *mCurLayer;
-
- /** Temporary tag list from the file */
- TagList *mTags;
-
- /** Mapping table to convert from tag to surface indices.
- UINT_MAX indicates that a no corresponding surface is available */
- TagMappingTable *mMapping;
-
- /** Temporary surface list from the file */
- SurfaceList *mSurfaces;
-
- /** Temporary clip list from the file */
- ClipList mClips;
-
- /** Temporary envelope list from the file */
- EnvelopeList mEnvelopes;
-
- /** file buffer */
- uint8_t *mFileBuffer;
-
- /** Size of the file, in bytes */
- unsigned int fileSize;
-
- /** Output scene */
- aiScene *mScene;
-
- /** Configuration option: speed flag set? */
- bool configSpeedFlag;
-
- /** Configuration option: index of layer to be loaded */
- unsigned int configLayerIndex;
-
- /** Configuration option: name of layer to be loaded */
- std::string configLayerName;
-
- /** True if we have a named layer */
- bool hasNamedLayer;
-};
-
-// ------------------------------------------------------------------------------------------------
-inline float LWOImporter::GetF4() {
- float f;
- ::memcpy(&f, mFileBuffer, 4);
- mFileBuffer += 4;
- AI_LSWAP4(f);
- return f;
-}
-
-// ------------------------------------------------------------------------------------------------
-inline uint32_t LWOImporter::GetU4() {
- uint32_t f;
- ::memcpy(&f, mFileBuffer, 4);
- mFileBuffer += 4;
- AI_LSWAP4(f);
- return f;
-}
-
-// ------------------------------------------------------------------------------------------------
-inline uint16_t LWOImporter::GetU2() {
- uint16_t f;
- ::memcpy(&f, mFileBuffer, 2);
- mFileBuffer += 2;
- AI_LSWAP2(f);
- return f;
-}
-
-// ------------------------------------------------------------------------------------------------
-inline uint8_t LWOImporter::GetU1() {
- return *mFileBuffer++;
-}
-
-// ------------------------------------------------------------------------------------------------
-inline int LWOImporter::ReadVSizedIntLWO2(uint8_t *&inout) {
- int i;
- int c = *inout;
- inout++;
- if (c != 0xFF) {
- i = c << 8;
- c = *inout;
- inout++;
- i |= c;
- } else {
- c = *inout;
- inout++;
- i = c << 16;
- c = *inout;
- inout++;
- i |= c << 8;
- c = *inout;
- inout++;
- i |= c;
- }
- return i;
-}
-
-// ------------------------------------------------------------------------------------------------
-inline void LWOImporter::GetS0(std::string &out, unsigned int max) {
- unsigned int iCursor = 0;
- const char *sz = (const char *)mFileBuffer;
- while (*mFileBuffer) {
- if (++iCursor > max) {
- ASSIMP_LOG_WARN("LWO: Invalid file, string is is too long");
- break;
- }
- ++mFileBuffer;
- }
- size_t len = (size_t)((const char *)mFileBuffer - sz);
- out = std::string(sz, len);
- mFileBuffer += (len & 0x1 ? 1 : 2);
-}
-
-} // end of namespace Assimp
-
-#endif // AI_LWOIMPORTER_H_INCLUDED