2ae2a551a6
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
873 lines
26 KiB
C++
873 lines
26 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// 2019 additional alignment and big_endian fixes by Corto and Salas00
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_MS3D_LOADER_
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#include "IReadFile.h"
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#include "os.h"
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#include "CMS3DMeshFileLoader.h"
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#include "CSkinnedMesh.h"
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namespace irr
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{
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namespace scene
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{
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#ifdef _DEBUG
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#define _IRR_DEBUG_MS3D_LOADER_
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#endif
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// byte-align structures
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#include "irrpack.h"
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namespace {
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// File header
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struct MS3DHeader
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{
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char ID[10];
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int Version;
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} PACK_STRUCT;
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// Vertex information
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struct MS3DVertex
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{
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u8 pad1[3];
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u8 Flags;
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float Vertex[3];
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char BoneID;
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u8 RefCount;
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u8 pad2[2];
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} PACK_STRUCT;
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#define MS3DVERTEX_NUM_PAD_BYTES 5
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// Triangle information
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struct MS3DTriangle
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{
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u16 Flags;
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u16 VertexIndices[3];
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float VertexNormals[3][3];
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float S[3], T[3];
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u8 SmoothingGroup;
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u8 GroupIndex;
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u8 pad1[2];
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} PACK_STRUCT;
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#define MS3DTRIANGLE_NUM_PAD_BYTES 2
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// Material information
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struct MS3DMaterial
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{
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char Name[32];
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float Ambient[4];
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float Diffuse[4];
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float Specular[4];
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float Emissive[4];
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float Shininess; // 0.0f - 128.0f
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float Transparency; // 0.0f - 1.0f
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u8 Mode; // 0, 1, 2 is unused now
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char Texture[128];
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char Alphamap[128];
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u8 pad1[3];
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} PACK_STRUCT;
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#define MS3DMATERIAL_NUM_PAD_BYTES 3
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// Joint information
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struct MS3DJoint
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{
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u8 pad[3];
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u8 Flags;
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char Name[32];
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char ParentName[32];
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float Rotation[3];
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float Translation[3];
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u16 NumRotationKeyframes;
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u16 NumTranslationKeyframes;
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} PACK_STRUCT;
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#define MS3DJOINT_NUM_PAD_BYTES 3
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// Keyframe data
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struct MS3DKeyframe
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{
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float Time;
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float Parameter[3];
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} PACK_STRUCT;
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// vertex weights in 1.8.x
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struct MS3DVertexWeights
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{
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char boneIds[3];
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u8 weights[3];
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} PACK_STRUCT;
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} // end namespace
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// Default alignment
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#include "irrunpack.h"
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// Get float encoded in little endian in way not causing troubles when floats have to be memory aligned.
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static inline float get_unaligned_le_float(const u8 *ptr)
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{
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union {
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u8 u[4];
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float f;
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} tmp;
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#ifdef __BIG_ENDIAN__
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tmp.u[0] = ptr[3];
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tmp.u[1] = ptr[2];
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tmp.u[2] = ptr[1];
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tmp.u[3] = ptr[0];
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#else
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tmp.f = *(float*)ptr;
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#endif
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return tmp.f;
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}
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struct SGroup
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{
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core::stringc Name;
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core::array<u16> VertexIds;
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u16 MaterialIdx;
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};
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//! Constructor
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CMS3DMeshFileLoader::CMS3DMeshFileLoader(video::IVideoDriver *driver)
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: Driver(driver), AnimatedMesh(0)
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{
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#ifdef _DEBUG
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setDebugName("CMS3DMeshFileLoader");
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#endif
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}
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//! returns true if the file maybe is able to be loaded by this class
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//! based on the file extension (e.g. ".bsp")
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bool CMS3DMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
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{
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return core::hasFileExtension ( filename, "ms3d" );
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}
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//! creates/loads an animated mesh from the file.
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//! \return Pointer to the created mesh. Returns 0 if loading failed.
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//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
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//! See IReferenceCounted::drop() for more information.
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IAnimatedMesh* CMS3DMeshFileLoader::createMesh(io::IReadFile* file)
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{
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if (!file)
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return 0;
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AnimatedMesh = new CSkinnedMesh();
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if ( load(file) )
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{
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AnimatedMesh->finalize();
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}
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else
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{
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AnimatedMesh->drop();
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AnimatedMesh = 0;
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}
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return AnimatedMesh;
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}
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//! loads a milkshape file
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bool CMS3DMeshFileLoader::load(io::IReadFile* file)
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{
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if (!file)
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return false;
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// find file size
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const long fileSize = file->getSize();
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// read whole file
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u8* buffer = new u8[fileSize];
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size_t read = file->read(buffer, fileSize);
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if (read != (size_t)fileSize)
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{
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delete [] buffer;
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os::Printer::log("Could not read full file. Loading failed", file->getFileName(), ELL_ERROR);
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return false;
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}
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// read header
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const u8 *pPtr = (u8*)((void*)buffer);
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MS3DHeader *pHeader = (MS3DHeader*)pPtr;
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pPtr += sizeof(MS3DHeader);
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if ( strncmp( pHeader->ID, "MS3D000000", 10 ) != 0 )
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{
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delete [] buffer;
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os::Printer::log("Not a valid Milkshape3D Model File. Loading failed", file->getFileName(), ELL_ERROR);
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return false;
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}
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#ifdef __BIG_ENDIAN__
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pHeader->Version = os::Byteswap::byteswap(pHeader->Version);
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#endif
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if ( pHeader->Version < 3 || pHeader->Version > 4 )
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{
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delete [] buffer;
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os::Printer::log("Only Milkshape3D version 3 and 4 (1.3 to 1.8) is supported. Loading failed", file->getFileName(), ELL_ERROR);
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return false;
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}
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Loaded header version", core::stringc(pHeader->Version).c_str());
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#endif
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// get pointers to data
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// vertices
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u16 numVertices = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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numVertices = os::Byteswap::byteswap(numVertices);
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#endif
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Load vertices", core::stringc(numVertices).c_str());
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#endif
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pPtr += sizeof(u16);
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MS3DVertex *vertices = new MS3DVertex[numVertices];
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if (pPtr + ((sizeof(MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES) * numVertices) > buffer+fileSize)
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{
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delete [] buffer;
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os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
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return false;
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}
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for (u16 tmp=0; tmp<numVertices; ++tmp)
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{
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//printf("&vertices[tmp].Vertex[0] = %p (%d)\n", &vertices[tmp].Vertex[0], (int)((long long)(&vertices[tmp].Vertex[0]) % 4));
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memcpy(&vertices[tmp].Flags, pPtr, sizeof(struct MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES);
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#ifdef __BIG_ENDIAN__
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vertices[tmp].Vertex[0] = os::Byteswap::byteswap(vertices[tmp].Vertex[0]);
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vertices[tmp].Vertex[1] = os::Byteswap::byteswap(vertices[tmp].Vertex[1]);
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vertices[tmp].Vertex[2] = -os::Byteswap::byteswap(vertices[tmp].Vertex[2]);
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#else
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vertices[tmp].Vertex[2] = -vertices[tmp].Vertex[2];
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#endif
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// Go to the next vertex structure
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pPtr += sizeof(struct MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES;
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}
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// triangles
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u16 numTriangles = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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numTriangles = os::Byteswap::byteswap(numTriangles);
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#endif
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Load Triangles", core::stringc(numTriangles).c_str());
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#endif
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pPtr += sizeof(u16);
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MS3DTriangle *triangles = new MS3DTriangle[numTriangles];
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if (pPtr + ((sizeof(MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES) * numTriangles) > buffer+fileSize)
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{
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delete [] buffer;
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os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
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return false;
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}
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for (u16 tmp=0; tmp<numTriangles; ++tmp)
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{
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memcpy(&triangles[tmp].Flags, pPtr, sizeof(struct MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES);
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#ifdef __BIG_ENDIAN__
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triangles[tmp].Flags = os::Byteswap::byteswap(triangles[tmp].Flags);
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for (u16 j=0; j<3; ++j)
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{
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triangles[tmp].VertexIndices[j] = os::Byteswap::byteswap(triangles[tmp].VertexIndices[j]);
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triangles[tmp].VertexNormals[j][0] = os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][0]);
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triangles[tmp].VertexNormals[j][1] = os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][1]);
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triangles[tmp].VertexNormals[j][2] = -os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][2]);
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triangles[tmp].S[j] = os::Byteswap::byteswap(triangles[tmp].S[j]);
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triangles[tmp].T[j] = os::Byteswap::byteswap(triangles[tmp].T[j]);
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}
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#else
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triangles[tmp].VertexNormals[0][2] = -triangles[tmp].VertexNormals[0][2];
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triangles[tmp].VertexNormals[1][2] = -triangles[tmp].VertexNormals[1][2];
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triangles[tmp].VertexNormals[2][2] = -triangles[tmp].VertexNormals[2][2];
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#endif
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// Go to the next triangle structure
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pPtr += sizeof(struct MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES;
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}
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// groups
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u16 numGroups = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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numGroups = os::Byteswap::byteswap(numGroups);
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#endif
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Load Groups", core::stringc(numGroups).c_str());
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#endif
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pPtr += sizeof(u16);
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core::array<SGroup> groups;
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groups.reallocate(numGroups);
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//store groups
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u32 i;
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for (i=0; i<numGroups; ++i)
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{
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groups.push_back(SGroup());
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SGroup& grp = groups.getLast();
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// The byte flag is before the name, so add 1
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grp.Name = ((const c8*) pPtr) + 1;
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pPtr += 33; // name and 1 byte flags
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u16 triangleCount = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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triangleCount = os::Byteswap::byteswap(triangleCount);
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#endif
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pPtr += sizeof(u16);
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grp.VertexIds.reallocate(triangleCount);
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//pPtr += sizeof(u16) * triangleCount; // triangle indices
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for (u16 j=0; j<triangleCount; ++j)
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{
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#ifdef __BIG_ENDIAN__
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grp.VertexIds.push_back(os::Byteswap::byteswap(*(u16*)pPtr));
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#else
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grp.VertexIds.push_back(*(u16*)pPtr);
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#endif
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pPtr += sizeof (u16);
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}
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grp.MaterialIdx = *(u8*)pPtr;
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if (grp.MaterialIdx == 255)
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grp.MaterialIdx = 0;
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pPtr += sizeof(c8); // material index
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if (pPtr > buffer+fileSize)
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{
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delete [] buffer;
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os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
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return false;
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}
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}
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// load materials
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u16 numMaterials = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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numMaterials = os::Byteswap::byteswap(numMaterials);
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#endif
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Load Materials", core::stringc(numMaterials).c_str());
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#endif
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pPtr += sizeof(u16);
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if(numMaterials == 0)
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{
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// if there are no materials, add at least one buffer
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AnimatedMesh->addMeshBuffer();
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}
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MS3DMaterial *material = new MS3DMaterial;
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for (i=0; i<numMaterials; ++i)
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{
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memcpy(material, pPtr, sizeof(struct MS3DMaterial) - MS3DMATERIAL_NUM_PAD_BYTES);
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#ifdef __BIG_ENDIAN__
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for (u16 j=0; j<4; ++j)
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material->Ambient[j] = os::Byteswap::byteswap(material->Ambient[j]);
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for (u16 j=0; j<4; ++j)
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material->Diffuse[j] = os::Byteswap::byteswap(material->Diffuse[j]);
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for (u16 j=0; j<4; ++j)
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material->Specular[j] = os::Byteswap::byteswap(material->Specular[j]);
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for (u16 j=0; j<4; ++j)
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material->Emissive[j] = os::Byteswap::byteswap(material->Emissive[j]);
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material->Shininess = os::Byteswap::byteswap(material->Shininess);
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material->Transparency = os::Byteswap::byteswap(material->Transparency);
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#endif
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pPtr += (sizeof(MS3DMaterial) - MS3DMATERIAL_NUM_PAD_BYTES);
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if (pPtr > buffer+fileSize)
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{
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delete [] buffer;
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os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
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return false;
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}
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scene::SSkinMeshBuffer *tmpBuffer = AnimatedMesh->addMeshBuffer();
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tmpBuffer->Material.MaterialType = video::EMT_SOLID;
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tmpBuffer->Material.AmbientColor = video::SColorf(material->Ambient[0], material->Ambient[1], material->Ambient[2], material->Ambient[3]).toSColor ();
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tmpBuffer->Material.DiffuseColor = video::SColorf(material->Diffuse[0], material->Diffuse[1], material->Diffuse[2], material->Diffuse[3]).toSColor ();
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tmpBuffer->Material.EmissiveColor = video::SColorf(material->Emissive[0], material->Emissive[1], material->Emissive[2], material->Emissive[3]).toSColor ();
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tmpBuffer->Material.SpecularColor = video::SColorf(material->Specular[0], material->Specular[1], material->Specular[2], material->Specular[3]).toSColor ();
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tmpBuffer->Material.Shininess = material->Shininess;
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core::stringc TexturePath(material->Texture);
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if (TexturePath.trim()!="")
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{
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TexturePath=stripPathFromString(file->getFileName(),true) + stripPathFromString(TexturePath,false);
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tmpBuffer->Material.setTexture(0, Driver->getTexture(TexturePath));
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}
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core::stringc AlphamapPath=(const c8*)material->Alphamap;
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if (AlphamapPath.trim()!="")
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{
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AlphamapPath=stripPathFromString(file->getFileName(),true) + stripPathFromString(AlphamapPath,false);
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tmpBuffer->Material.setTexture(2, Driver->getTexture(AlphamapPath));
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}
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}
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delete material;
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// animation time
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f32 framesPerSecond = get_unaligned_le_float(pPtr);
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("FPS", core::stringc(framesPerSecond).c_str());
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#endif
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pPtr += sizeof(float) * 2; // fps and current time
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if (framesPerSecond<1.f)
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framesPerSecond=1.f;
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AnimatedMesh->setAnimationSpeed(framesPerSecond);
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// ignore, calculated inside SkinnedMesh
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// s32 frameCount = *(int*)pPtr;
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#ifdef __BIG_ENDIAN__
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// frameCount = os::Byteswap::byteswap(frameCount);
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#endif
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pPtr += sizeof(int);
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u16 jointCount = *(u16*)pPtr;
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#ifdef __BIG_ENDIAN__
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jointCount = os::Byteswap::byteswap(jointCount);
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#endif
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#ifdef _IRR_DEBUG_MS3D_LOADER_
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os::Printer::log("Joints", core::stringc(jointCount).c_str());
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#endif
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pPtr += sizeof(u16);
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if (pPtr > buffer+fileSize)
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{
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delete [] buffer;
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os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
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return false;
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}
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core::array<core::stringc> parentNames;
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parentNames.reallocate(jointCount);
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// load joints
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for (i=0; i<jointCount; ++i)
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{
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u32 j;
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MS3DJoint *pJoint = new MS3DJoint;
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//printf("&pJoint->Rotation[0] = %p (%d)\n", &pJoint->Rotation[0], (int)((long long)(&pJoint->Rotation[0]) % 4));
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memcpy(&pJoint->Flags, pPtr, sizeof(MS3DJoint) - MS3DJOINT_NUM_PAD_BYTES);
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#ifdef __BIG_ENDIAN__
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for (j=0; j<3; ++j)
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pJoint->Rotation[j] = os::Byteswap::byteswap(pJoint->Rotation[j]);
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for (j=0; j<3; ++j)
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pJoint->Translation[j] = os::Byteswap::byteswap(pJoint->Translation[j]);
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pJoint->NumRotationKeyframes= os::Byteswap::byteswap(pJoint->NumRotationKeyframes);
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pJoint->NumTranslationKeyframes = os::Byteswap::byteswap(pJoint->NumTranslationKeyframes);
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#endif
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pPtr = pPtr + sizeof(MS3DJoint) - MS3DJOINT_NUM_PAD_BYTES;
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if (pPtr > buffer+fileSize)
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{
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delete [] buffer;
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|
os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
ISkinnedMesh::SJoint *jnt = AnimatedMesh->addJoint();
|
|
|
|
jnt->Name = pJoint->Name;
|
|
#ifdef _IRR_DEBUG_MS3D_LOADER_
|
|
os::Printer::log("Joint", jnt->Name.c_str());
|
|
os::Printer::log("Rotation keyframes", core::stringc(pJoint->NumRotationKeyframes).c_str());
|
|
os::Printer::log("Translation keyframes", core::stringc(pJoint->NumTranslationKeyframes).c_str());
|
|
#endif
|
|
jnt->LocalMatrix.makeIdentity();
|
|
jnt->LocalMatrix.setRotationRadians(
|
|
core::vector3df(pJoint->Rotation[0], pJoint->Rotation[1], pJoint->Rotation[2]) );
|
|
// convert right-handed to left-handed
|
|
jnt->LocalMatrix[2]=-jnt->LocalMatrix[2];
|
|
jnt->LocalMatrix[6]=-jnt->LocalMatrix[6];
|
|
jnt->LocalMatrix[8]=-jnt->LocalMatrix[8];
|
|
jnt->LocalMatrix[9]=-jnt->LocalMatrix[9];
|
|
|
|
jnt->LocalMatrix.setTranslation(
|
|
core::vector3df(pJoint->Translation[0], pJoint->Translation[1], -pJoint->Translation[2]) );
|
|
jnt->Animatedposition.set(jnt->LocalMatrix.getTranslation());
|
|
jnt->Animatedrotation.set(jnt->LocalMatrix.getRotationDegrees());
|
|
|
|
parentNames.push_back( (c8*)pJoint->ParentName );
|
|
|
|
/*if (pJoint->NumRotationKeyframes ||
|
|
pJoint->NumTranslationKeyframes)
|
|
HasAnimation = true;
|
|
*/
|
|
|
|
MS3DKeyframe* kf = new MS3DKeyframe;
|
|
|
|
// get rotation keyframes
|
|
const u16 numRotationKeyframes = pJoint->NumRotationKeyframes;
|
|
for (j=0; j < numRotationKeyframes; ++j)
|
|
{
|
|
memcpy(kf, pPtr, sizeof(MS3DKeyframe));
|
|
//printf("rotation kf = %p (%d)\n", kf, (int)((long long)kf % 4));
|
|
#ifdef __BIG_ENDIAN__
|
|
kf->Time = os::Byteswap::byteswap(kf->Time);
|
|
for (u32 l=0; l<3; ++l)
|
|
kf->Parameter[l] = os::Byteswap::byteswap(kf->Parameter[l]);
|
|
#endif
|
|
pPtr += sizeof(MS3DKeyframe);
|
|
if (pPtr > buffer+fileSize)
|
|
{
|
|
delete [] buffer;
|
|
os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
ISkinnedMesh::SRotationKey *k=AnimatedMesh->addRotationKey(jnt);
|
|
k->frame = kf->Time * framesPerSecond-1;
|
|
|
|
core::matrix4 tmpMatrix;
|
|
|
|
tmpMatrix.setRotationRadians(
|
|
core::vector3df(kf->Parameter[0], kf->Parameter[1], kf->Parameter[2]) );
|
|
// convert right-handed to left-handed
|
|
tmpMatrix[2]=-tmpMatrix[2];
|
|
tmpMatrix[6]=-tmpMatrix[6];
|
|
tmpMatrix[8]=-tmpMatrix[8];
|
|
tmpMatrix[9]=-tmpMatrix[9];
|
|
|
|
tmpMatrix=jnt->LocalMatrix*tmpMatrix;
|
|
|
|
// IRR_TEST_BROKEN_QUATERNION_USE: TODO - switched from tmpMatrix to tmpMatrix.getTransposed() for downward compatibility.
|
|
// Not tested so far if this was correct or wrong before quaternion fix!
|
|
k->rotation = core::quaternion(tmpMatrix.getTransposed());
|
|
}
|
|
|
|
// get translation keyframes
|
|
const u16 numTranslationKeyframes = pJoint->NumTranslationKeyframes;
|
|
for (j=0; j<numTranslationKeyframes; ++j)
|
|
{
|
|
memcpy(kf, pPtr, sizeof(MS3DKeyframe));
|
|
//printf("translation kf = %p (%d)\n", kf, (int)((long long)kf % 4));
|
|
|
|
#ifdef __BIG_ENDIAN__
|
|
kf->Time = os::Byteswap::byteswap(kf->Time);
|
|
for (u32 l=0; l<3; ++l)
|
|
kf->Parameter[l] = os::Byteswap::byteswap(kf->Parameter[l]);
|
|
#endif
|
|
pPtr += sizeof(MS3DKeyframe);
|
|
if (pPtr > buffer+fileSize)
|
|
{
|
|
delete [] buffer;
|
|
os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
ISkinnedMesh::SPositionKey *k=AnimatedMesh->addPositionKey(jnt);
|
|
k->frame = kf->Time * framesPerSecond-1;
|
|
|
|
k->position = core::vector3df
|
|
(kf->Parameter[0]+pJoint->Translation[0],
|
|
kf->Parameter[1]+pJoint->Translation[1],
|
|
-kf->Parameter[2]-pJoint->Translation[2]);
|
|
}
|
|
|
|
delete kf;
|
|
delete pJoint;
|
|
}
|
|
|
|
core::array<MS3DVertexWeights> vertexWeights;
|
|
f32 weightFactor=0;
|
|
|
|
if (jointCount && (pHeader->Version == 4) && (pPtr < buffer+fileSize))
|
|
{
|
|
s32 subVersion = *(s32*)pPtr; // comment subVersion, always 1
|
|
#ifdef __BIG_ENDIAN__
|
|
subVersion = os::Byteswap::byteswap(subVersion);
|
|
#endif
|
|
pPtr += sizeof(s32);
|
|
|
|
for (u32 j=0; j<4; ++j) // four comment groups
|
|
{
|
|
#ifdef _IRR_DEBUG_MS3D_LOADER_
|
|
os::Printer::log("Skipping comment group", core::stringc(j+1).c_str());
|
|
#endif
|
|
u32 numComments = *(u32*)pPtr;
|
|
#ifdef __BIG_ENDIAN__
|
|
numComments = os::Byteswap::byteswap(numComments);
|
|
#endif
|
|
pPtr += sizeof(u32);
|
|
for (i=0; i<numComments; ++i)
|
|
{
|
|
// according to scorpiomidget this field does
|
|
// not exist for model comments. So avoid to
|
|
// read it
|
|
if (j!=3)
|
|
pPtr += sizeof(s32); // index
|
|
s32 commentLength = *(s32*)pPtr;
|
|
#ifdef __BIG_ENDIAN__
|
|
commentLength = os::Byteswap::byteswap(commentLength);
|
|
#endif
|
|
pPtr += sizeof(s32);
|
|
pPtr += commentLength;
|
|
}
|
|
|
|
if (pPtr > buffer+fileSize)
|
|
{
|
|
delete [] buffer;
|
|
os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (pPtr < buffer+fileSize)
|
|
{
|
|
subVersion = *(s32*)pPtr; // vertex subVersion, 1 or 2
|
|
#ifdef __BIG_ENDIAN__
|
|
subVersion = os::Byteswap::byteswap(subVersion);
|
|
#endif
|
|
if (subVersion==1)
|
|
weightFactor=1.f/255.f;
|
|
else
|
|
weightFactor=1.f/100.f;
|
|
pPtr += sizeof(s32);
|
|
|
|
#ifdef _IRR_DEBUG_MS3D_LOADER_
|
|
os::Printer::log("Reading vertex weights");
|
|
#endif
|
|
// read vertex weights, ignoring data 'extra' from 1.8.2
|
|
vertexWeights.reallocate(numVertices);
|
|
const char offset = (subVersion==1)?6:10;
|
|
for (i=0; i<numVertices; ++i)
|
|
{
|
|
vertexWeights.push_back(*(MS3DVertexWeights*)pPtr);
|
|
pPtr += offset;
|
|
}
|
|
|
|
if (pPtr > buffer+fileSize)
|
|
{
|
|
delete [] buffer;
|
|
os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (pPtr < buffer+fileSize)
|
|
{
|
|
subVersion = *(s32*)pPtr; // joint subVersion, 1 or 2
|
|
#ifdef __BIG_ENDIAN__
|
|
subVersion = os::Byteswap::byteswap(subVersion);
|
|
#endif
|
|
pPtr += sizeof(s32);
|
|
// skip joint colors
|
|
#ifdef _IRR_DEBUG_MS3D_LOADER_
|
|
os::Printer::log("Skip joint color");
|
|
#endif
|
|
pPtr += 3*sizeof(float)*jointCount;
|
|
|
|
if (pPtr > buffer+fileSize)
|
|
{
|
|
delete [] buffer;
|
|
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (pPtr < buffer+fileSize)
|
|
{
|
|
subVersion = *(s32*)pPtr; // model subVersion, 1 or 2
|
|
#ifdef __BIG_ENDIAN__
|
|
subVersion = os::Byteswap::byteswap(subVersion);
|
|
#endif
|
|
pPtr += sizeof(s32);
|
|
#ifdef _IRR_DEBUG_MS3D_LOADER_
|
|
os::Printer::log("Skip model extra information");
|
|
#endif
|
|
// now the model extra information would follow
|
|
// we also skip this for now
|
|
}
|
|
}
|
|
|
|
//find parent of every joint
|
|
for (u32 jointnum=0; jointnum<AnimatedMesh->getAllJoints().size(); ++jointnum)
|
|
{
|
|
for (u32 j2=0; j2<AnimatedMesh->getAllJoints().size(); ++j2)
|
|
{
|
|
if (jointnum != j2 && parentNames[jointnum] == AnimatedMesh->getAllJoints()[j2]->Name )
|
|
{
|
|
AnimatedMesh->getAllJoints()[j2]->Children.push_back(AnimatedMesh->getAllJoints()[jointnum]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// create vertices and indices, attach them to the joints.
|
|
video::S3DVertex v;
|
|
core::array<video::S3DVertex> *Vertices;
|
|
core::array<u16> Indices;
|
|
|
|
for (i=0; i<numTriangles; ++i)
|
|
{
|
|
u32 tmp = groups[triangles[i].GroupIndex].MaterialIdx;
|
|
Vertices = &AnimatedMesh->getMeshBuffers()[tmp]->Vertices_Standard;
|
|
|
|
for (s32 j = 2; j!=-1; --j)
|
|
{
|
|
const u32 vertidx = triangles[i].VertexIndices[j];
|
|
|
|
v.TCoords.X = triangles[i].S[j];
|
|
v.TCoords.Y = triangles[i].T[j];
|
|
|
|
v.Normal.X = triangles[i].VertexNormals[j][0];
|
|
v.Normal.Y = triangles[i].VertexNormals[j][1];
|
|
v.Normal.Z = triangles[i].VertexNormals[j][2];
|
|
|
|
if(triangles[i].GroupIndex < groups.size() &&
|
|
groups[triangles[i].GroupIndex].MaterialIdx < AnimatedMesh->getMeshBuffers().size())
|
|
v.Color = AnimatedMesh->getMeshBuffers()[groups[triangles[i].GroupIndex].MaterialIdx]->Material.DiffuseColor;
|
|
else
|
|
v.Color.set(255,255,255,255);
|
|
|
|
v.Pos.X = vertices[vertidx].Vertex[0];
|
|
v.Pos.Y = vertices[vertidx].Vertex[1];
|
|
v.Pos.Z = vertices[vertidx].Vertex[2];
|
|
|
|
// check if we already have this vertex in our vertex array
|
|
s32 index = -1;
|
|
for (u32 iV = 0; iV < Vertices->size(); ++iV)
|
|
{
|
|
if (v == (*Vertices)[iV])
|
|
{
|
|
index = (s32)iV;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (index == -1)
|
|
{
|
|
index = Vertices->size();
|
|
const u32 matidx = groups[triangles[i].GroupIndex].MaterialIdx;
|
|
if (vertexWeights.size()==0)
|
|
{
|
|
const s32 boneid = vertices[vertidx].BoneID;
|
|
if ((u32)boneid < AnimatedMesh->getAllJoints().size())
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
w->strength = 1.0f;
|
|
w->vertex_id = index;
|
|
}
|
|
}
|
|
else if (jointCount) // new weights from 1.8.x
|
|
{
|
|
f32 sum = 1.0f;
|
|
s32 boneid = vertices[vertidx].BoneID;
|
|
if (((u32)boneid < AnimatedMesh->getAllJoints().size()) && (vertexWeights[vertidx].weights[0] != 0))
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
sum -= (w->strength = vertexWeights[vertidx].weights[0]*weightFactor);
|
|
w->vertex_id = index;
|
|
}
|
|
boneid = vertexWeights[vertidx].boneIds[0];
|
|
if (((u32)boneid < AnimatedMesh->getAllJoints().size()) && (vertexWeights[vertidx].weights[1] != 0))
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
sum -= (w->strength = vertexWeights[vertidx].weights[1]*weightFactor);
|
|
w->vertex_id = index;
|
|
}
|
|
boneid = vertexWeights[vertidx].boneIds[1];
|
|
if (((u32)boneid < AnimatedMesh->getAllJoints().size()) && (vertexWeights[vertidx].weights[2] != 0))
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
sum -= (w->strength = vertexWeights[vertidx].weights[2]*weightFactor);
|
|
w->vertex_id = index;
|
|
}
|
|
boneid = vertexWeights[vertidx].boneIds[2];
|
|
if (((u32)boneid < AnimatedMesh->getAllJoints().size()) && (sum > 0.f))
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
w->strength = sum;
|
|
w->vertex_id = index;
|
|
}
|
|
// fallback, if no bone chosen. Seems to be an error in the specs
|
|
boneid = vertices[vertidx].BoneID;
|
|
if ((sum == 1.f) && ((u32)boneid < AnimatedMesh->getAllJoints().size()))
|
|
{
|
|
ISkinnedMesh::SWeight *w=AnimatedMesh->addWeight(AnimatedMesh->getAllJoints()[boneid]);
|
|
w->buffer_id = matidx;
|
|
w->strength = 1.f;
|
|
w->vertex_id = index;
|
|
}
|
|
}
|
|
|
|
Vertices->push_back(v);
|
|
}
|
|
Indices.push_back(index);
|
|
}
|
|
}
|
|
|
|
//create groups
|
|
s32 iIndex = -1;
|
|
for (i=0; i<groups.size(); ++i)
|
|
{
|
|
SGroup& grp = groups[i];
|
|
|
|
if (grp.MaterialIdx >= AnimatedMesh->getMeshBuffers().size())
|
|
grp.MaterialIdx = 0;
|
|
|
|
core::array<u16>& indices = AnimatedMesh->getMeshBuffers()[grp.MaterialIdx]->Indices;
|
|
|
|
for (u32 k=0; k < grp.VertexIds.size(); ++k)
|
|
for (u32 l=0; l<3; ++l)
|
|
indices.push_back(Indices[++iIndex]);
|
|
}
|
|
|
|
delete [] buffer;
|
|
delete [] triangles;
|
|
delete [] vertices;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
core::stringc CMS3DMeshFileLoader::stripPathFromString(const core::stringc& inString, bool returnPath) const
|
|
{
|
|
s32 slashIndex=inString.findLast('/'); // forward slash
|
|
s32 backSlash=inString.findLast('\\'); // back slash
|
|
|
|
if (backSlash>slashIndex) slashIndex=backSlash;
|
|
|
|
if (slashIndex==-1)//no slashes found
|
|
{
|
|
if (returnPath)
|
|
return core::stringc(); //no path to return
|
|
else
|
|
return inString;
|
|
}
|
|
|
|
if (returnPath)
|
|
return inString.subString(0, slashIndex + 1);
|
|
else
|
|
return inString.subString(slashIndex+1, inString.size() - (slashIndex+1));
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif
|