diff options
Diffstat (limited to 'source/Irrlicht/CMS3DMeshFileLoader.cpp')
| -rw-r--r-- | source/Irrlicht/CMS3DMeshFileLoader.cpp | 872 |
1 files changed, 0 insertions, 872 deletions
diff --git a/source/Irrlicht/CMS3DMeshFileLoader.cpp b/source/Irrlicht/CMS3DMeshFileLoader.cpp deleted file mode 100644 index 4ad18aa..0000000 --- a/source/Irrlicht/CMS3DMeshFileLoader.cpp +++ /dev/null @@ -1,872 +0,0 @@ -// Copyright (C) 2002-2012 Nikolaus Gebhardt
-// 2019 additional alignment and big_endian fixes by Corto and Salas00
-// This file is part of the "Irrlicht Engine".
-// For conditions of distribution and use, see copyright notice in irrlicht.h
-
-#include "IrrCompileConfig.h"
-#ifdef _IRR_COMPILE_WITH_MS3D_LOADER_
-
-#include "IReadFile.h"
-#include "os.h"
-#include "CMS3DMeshFileLoader.h"
-#include "CSkinnedMesh.h"
-
-
-namespace irr
-{
-namespace scene
-{
-
-#ifdef _DEBUG
-#define _IRR_DEBUG_MS3D_LOADER_
-#endif
-
-// byte-align structures
-#include "irrpack.h"
-
-namespace {
-// File header
-struct MS3DHeader
-{
- char ID[10];
- int Version;
-} PACK_STRUCT;
-
-// Vertex information
-struct MS3DVertex
-{
- u8 pad1[3];
- u8 Flags;
- float Vertex[3];
- char BoneID;
- u8 RefCount;
- u8 pad2[2];
-} PACK_STRUCT;
-
-#define MS3DVERTEX_NUM_PAD_BYTES 5
-
-// Triangle information
-struct MS3DTriangle
-{
- u16 Flags;
- u16 VertexIndices[3];
- float VertexNormals[3][3];
- float S[3], T[3];
- u8 SmoothingGroup;
- u8 GroupIndex;
- u8 pad1[2];
-} PACK_STRUCT;
-
-#define MS3DTRIANGLE_NUM_PAD_BYTES 2
-
-// Material information
-struct MS3DMaterial
-{
- char Name[32];
- float Ambient[4];
- float Diffuse[4];
- float Specular[4];
- float Emissive[4];
- float Shininess; // 0.0f - 128.0f
- float Transparency; // 0.0f - 1.0f
- u8 Mode; // 0, 1, 2 is unused now
- char Texture[128];
- char Alphamap[128];
- u8 pad1[3];
-} PACK_STRUCT;
-
-#define MS3DMATERIAL_NUM_PAD_BYTES 3
-
-// Joint information
-struct MS3DJoint
-{
- u8 pad[3];
- u8 Flags;
- char Name[32];
- char ParentName[32];
- float Rotation[3];
- float Translation[3];
- u16 NumRotationKeyframes;
- u16 NumTranslationKeyframes;
-} PACK_STRUCT;
-
-#define MS3DJOINT_NUM_PAD_BYTES 3
-
-// Keyframe data
-struct MS3DKeyframe
-{
- float Time;
- float Parameter[3];
-} PACK_STRUCT;
-
-// vertex weights in 1.8.x
-struct MS3DVertexWeights
-{
- char boneIds[3];
- u8 weights[3];
-} PACK_STRUCT;
-
-} // end namespace
-
-// Default alignment
-#include "irrunpack.h"
-
-// Get float encoded in little endian in way not causing troubles when floats have to be memory aligned.
-static inline float get_unaligned_le_float(const u8 *ptr)
-{
- union {
- u8 u[4];
- float f;
- } tmp;
-#ifdef __BIG_ENDIAN__
- tmp.u[0] = ptr[3];
- tmp.u[1] = ptr[2];
- tmp.u[2] = ptr[1];
- tmp.u[3] = ptr[0];
-#else
- tmp.f = *(float*)ptr;
-#endif
- return tmp.f;
-}
-
-
-struct SGroup
-{
- core::stringc Name;
- core::array<u16> VertexIds;
- u16 MaterialIdx;
-};
-
-//! Constructor
-CMS3DMeshFileLoader::CMS3DMeshFileLoader(video::IVideoDriver *driver)
-: Driver(driver), AnimatedMesh(0)
-{
- #ifdef _DEBUG
- setDebugName("CMS3DMeshFileLoader");
- #endif
-}
-
-
-//! returns true if the file maybe is able to be loaded by this class
-//! based on the file extension (e.g. ".bsp")
-bool CMS3DMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
-{
- return core::hasFileExtension ( filename, "ms3d" );
-}
-
-
-//! creates/loads an animated mesh from the file.
-//! \return Pointer to the created mesh. Returns 0 if loading failed.
-//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
-//! See IReferenceCounted::drop() for more information.
-IAnimatedMesh* CMS3DMeshFileLoader::createMesh(io::IReadFile* file)
-{
- if (!file)
- return 0;
-
- AnimatedMesh = new CSkinnedMesh();
-
- if ( load(file) )
- {
- AnimatedMesh->finalize();
- }
- else
- {
- AnimatedMesh->drop();
- AnimatedMesh = 0;
- }
-
- return AnimatedMesh;
-}
-
-
-//! loads a milkshape file
-bool CMS3DMeshFileLoader::load(io::IReadFile* file)
-{
- if (!file)
- return false;
-
- // find file size
- const long fileSize = file->getSize();
-
- // read whole file
-
- u8* buffer = new u8[fileSize];
- size_t read = file->read(buffer, fileSize);
- if (read != (size_t)fileSize)
- {
- delete [] buffer;
- os::Printer::log("Could not read full file. Loading failed", file->getFileName(), ELL_ERROR);
- return false;
- }
-
- // read header
-
- const u8 *pPtr = (u8*)((void*)buffer);
- MS3DHeader *pHeader = (MS3DHeader*)pPtr;
- pPtr += sizeof(MS3DHeader);
-
- if ( strncmp( pHeader->ID, "MS3D000000", 10 ) != 0 )
- {
- delete [] buffer;
- os::Printer::log("Not a valid Milkshape3D Model File. Loading failed", file->getFileName(), ELL_ERROR);
- return false;
- }
-
-#ifdef __BIG_ENDIAN__
- pHeader->Version = os::Byteswap::byteswap(pHeader->Version);
-#endif
- if ( pHeader->Version < 3 || pHeader->Version > 4 )
- {
- delete [] buffer;
- os::Printer::log("Only Milkshape3D version 3 and 4 (1.3 to 1.8) is supported. Loading failed", file->getFileName(), ELL_ERROR);
- return false;
- }
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Loaded header version", core::stringc(pHeader->Version).c_str());
-#endif
-
- // get pointers to data
-
- // vertices
- u16 numVertices = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- numVertices = os::Byteswap::byteswap(numVertices);
-#endif
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Load vertices", core::stringc(numVertices).c_str());
-#endif
-
- pPtr += sizeof(u16);
- MS3DVertex *vertices = new MS3DVertex[numVertices];
- if (pPtr + ((sizeof(MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES) * numVertices) > buffer+fileSize)
- {
- delete [] buffer;
- os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
- return false;
- }
- for (u16 tmp=0; tmp<numVertices; ++tmp)
- {
- //printf("&vertices[tmp].Vertex[0] = %p (%d)\n", &vertices[tmp].Vertex[0], (int)((long long)(&vertices[tmp].Vertex[0]) % 4));
- memcpy(&vertices[tmp].Flags, pPtr, sizeof(struct MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES);
-#ifdef __BIG_ENDIAN__
- vertices[tmp].Vertex[0] = os::Byteswap::byteswap(vertices[tmp].Vertex[0]);
- vertices[tmp].Vertex[1] = os::Byteswap::byteswap(vertices[tmp].Vertex[1]);
- vertices[tmp].Vertex[2] = -os::Byteswap::byteswap(vertices[tmp].Vertex[2]);
-#else
- vertices[tmp].Vertex[2] = -vertices[tmp].Vertex[2];
-#endif
- // Go to the next vertex structure
- pPtr += sizeof(struct MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES;
- }
-
- // triangles
- u16 numTriangles = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- numTriangles = os::Byteswap::byteswap(numTriangles);
-#endif
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Load Triangles", core::stringc(numTriangles).c_str());
-#endif
- pPtr += sizeof(u16);
- MS3DTriangle *triangles = new MS3DTriangle[numTriangles];
- if (pPtr + ((sizeof(MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES) * numTriangles) > buffer+fileSize)
- {
- delete [] buffer;
- os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
- return false;
- }
- for (u16 tmp=0; tmp<numTriangles; ++tmp)
- {
- memcpy(&triangles[tmp].Flags, pPtr, sizeof(struct MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES);
-#ifdef __BIG_ENDIAN__
- triangles[tmp].Flags = os::Byteswap::byteswap(triangles[tmp].Flags);
- for (u16 j=0; j<3; ++j)
- {
- triangles[tmp].VertexIndices[j] = os::Byteswap::byteswap(triangles[tmp].VertexIndices[j]);
- triangles[tmp].VertexNormals[j][0] = os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][0]);
- triangles[tmp].VertexNormals[j][1] = os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][1]);
- triangles[tmp].VertexNormals[j][2] = -os::Byteswap::byteswap(triangles[tmp].VertexNormals[j][2]);
- triangles[tmp].S[j] = os::Byteswap::byteswap(triangles[tmp].S[j]);
- triangles[tmp].T[j] = os::Byteswap::byteswap(triangles[tmp].T[j]);
- }
-#else
- triangles[tmp].VertexNormals[0][2] = -triangles[tmp].VertexNormals[0][2];
- triangles[tmp].VertexNormals[1][2] = -triangles[tmp].VertexNormals[1][2];
- triangles[tmp].VertexNormals[2][2] = -triangles[tmp].VertexNormals[2][2];
-#endif
- // Go to the next triangle structure
- pPtr += sizeof(struct MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES;
- }
-
- // groups
- u16 numGroups = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- numGroups = os::Byteswap::byteswap(numGroups);
-#endif
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Load Groups", core::stringc(numGroups).c_str());
-#endif
- pPtr += sizeof(u16);
-
- core::array<SGroup> groups;
- groups.reallocate(numGroups);
-
- //store groups
- u32 i;
- for (i=0; i<numGroups; ++i)
- {
- groups.push_back(SGroup());
- SGroup& grp = groups.getLast();
-
- // The byte flag is before the name, so add 1
- grp.Name = ((const c8*) pPtr) + 1;
-
- pPtr += 33; // name and 1 byte flags
- u16 triangleCount = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- triangleCount = os::Byteswap::byteswap(triangleCount);
-#endif
- pPtr += sizeof(u16);
- grp.VertexIds.reallocate(triangleCount);
-
- //pPtr += sizeof(u16) * triangleCount; // triangle indices
- for (u16 j=0; j<triangleCount; ++j)
- {
-#ifdef __BIG_ENDIAN__
- grp.VertexIds.push_back(os::Byteswap::byteswap(*(u16*)pPtr));
-#else
- grp.VertexIds.push_back(*(u16*)pPtr);
-#endif
- pPtr += sizeof (u16);
- }
-
- grp.MaterialIdx = *(u8*)pPtr;
- if (grp.MaterialIdx == 255)
- grp.MaterialIdx = 0;
-
- pPtr += sizeof(c8); // material index
- if (pPtr > buffer+fileSize)
- {
- delete [] buffer;
- os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
- return false;
- }
- }
-
- // load materials
- u16 numMaterials = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- numMaterials = os::Byteswap::byteswap(numMaterials);
-#endif
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Load Materials", core::stringc(numMaterials).c_str());
-#endif
- pPtr += sizeof(u16);
-
- if(numMaterials == 0)
- {
- // if there are no materials, add at least one buffer
- AnimatedMesh->addMeshBuffer();
- }
-
- MS3DMaterial *material = new MS3DMaterial;
- for (i=0; i<numMaterials; ++i)
- {
- memcpy(material, pPtr, sizeof(struct MS3DMaterial) - MS3DMATERIAL_NUM_PAD_BYTES);
-#ifdef __BIG_ENDIAN__
- for (u16 j=0; j<4; ++j)
- material->Ambient[j] = os::Byteswap::byteswap(material->Ambient[j]);
- for (u16 j=0; j<4; ++j)
- material->Diffuse[j] = os::Byteswap::byteswap(material->Diffuse[j]);
- for (u16 j=0; j<4; ++j)
- material->Specular[j] = os::Byteswap::byteswap(material->Specular[j]);
- for (u16 j=0; j<4; ++j)
- material->Emissive[j] = os::Byteswap::byteswap(material->Emissive[j]);
- material->Shininess = os::Byteswap::byteswap(material->Shininess);
- material->Transparency = os::Byteswap::byteswap(material->Transparency);
-#endif
- pPtr += (sizeof(MS3DMaterial) - MS3DMATERIAL_NUM_PAD_BYTES);
- if (pPtr > buffer+fileSize)
- {
- delete [] buffer;
- os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
- return false;
- }
-
- scene::SSkinMeshBuffer *tmpBuffer = AnimatedMesh->addMeshBuffer();
-
- tmpBuffer->Material.MaterialType = video::EMT_SOLID;
-
- tmpBuffer->Material.AmbientColor = video::SColorf(material->Ambient[0], material->Ambient[1], material->Ambient[2], material->Ambient[3]).toSColor ();
- tmpBuffer->Material.DiffuseColor = video::SColorf(material->Diffuse[0], material->Diffuse[1], material->Diffuse[2], material->Diffuse[3]).toSColor ();
- tmpBuffer->Material.EmissiveColor = video::SColorf(material->Emissive[0], material->Emissive[1], material->Emissive[2], material->Emissive[3]).toSColor ();
- tmpBuffer->Material.SpecularColor = video::SColorf(material->Specular[0], material->Specular[1], material->Specular[2], material->Specular[3]).toSColor ();
- tmpBuffer->Material.Shininess = material->Shininess;
-
- core::stringc TexturePath(material->Texture);
- if (TexturePath.trim()!="")
- {
- TexturePath=stripPathFromString(file->getFileName(),true) + stripPathFromString(TexturePath,false);
- tmpBuffer->Material.setTexture(0, Driver->getTexture(TexturePath));
- }
-
- core::stringc AlphamapPath=(const c8*)material->Alphamap;
- if (AlphamapPath.trim()!="")
- {
- AlphamapPath=stripPathFromString(file->getFileName(),true) + stripPathFromString(AlphamapPath,false);
- tmpBuffer->Material.setTexture(2, Driver->getTexture(AlphamapPath));
- }
- }
- delete material;
-
- // animation time
-
-
- f32 framesPerSecond = get_unaligned_le_float(pPtr);
-
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("FPS", core::stringc(framesPerSecond).c_str());
-#endif
- pPtr += sizeof(float) * 2; // fps and current time
-
- if (framesPerSecond<1.f)
- framesPerSecond=1.f;
- AnimatedMesh->setAnimationSpeed(framesPerSecond);
-
-// ignore, calculated inside SkinnedMesh
-// s32 frameCount = *(int*)pPtr;
-#ifdef __BIG_ENDIAN__
-// frameCount = os::Byteswap::byteswap(frameCount);
-#endif
- pPtr += sizeof(int);
-
- u16 jointCount = *(u16*)pPtr;
-#ifdef __BIG_ENDIAN__
- jointCount = os::Byteswap::byteswap(jointCount);
-#endif
-#ifdef _IRR_DEBUG_MS3D_LOADER_
- os::Printer::log("Joints", core::stringc(jointCount).c_str());
-#endif
- pPtr += sizeof(u16);
- if (pPtr > buffer+fileSize)
- {
- delete [] buffer;
- os::Printer::log("Loading failed. Corrupted data found.", file->getFileName(), ELL_ERROR);
- return false;
- }
-
- core::array<core::stringc> parentNames;
- parentNames.reallocate(jointCount);
-
- // load joints
- for (i=0; i<jointCount; ++i)
- {
- u32 j;
- MS3DJoint *pJoint = new MS3DJoint;
- //printf("&pJoint->Rotation[0] = %p (%d)\n", &pJoint->Rotation[0], (int)((long long)(&pJoint->Rotation[0]) % 4));
- memcpy(&pJoint->Flags, pPtr, sizeof(MS3DJoint) - MS3DJOINT_NUM_PAD_BYTES);
-
-#ifdef __BIG_ENDIAN__
- for (j=0; j<3; ++j)
- pJoint->Rotation[j] = os::Byteswap::byteswap(pJoint->Rotation[j]);
- for (j=0; j<3; ++j)
- pJoint->Translation[j] = os::Byteswap::byteswap(pJoint->Translation[j]);
- pJoint->NumRotationKeyframes= os::Byteswap::byteswap(pJoint->NumRotationKeyframes);
- pJoint->NumTranslationKeyframes = os::Byteswap::byteswap(pJoint->NumTranslationKeyframes);
-#endif
- pPtr = pPtr + sizeof(MS3DJoint) - MS3DJOINT_NUM_PAD_BYTES;
- if (pPtr > buffer+fileSize)
- {
- delete [] buffer;
- 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
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