Merge branch 'master' of github.com:assimp/assimp

pull/141/head
acgessler 2013-10-02 16:46:46 +02:00
commit 7e16767229
5 changed files with 988 additions and 876 deletions

View File

@ -278,19 +278,23 @@ public:
// --------------------------------------------------------
// field parsing for pointer or dynamic array types
// (boost::shared_ptr or boost::shared_array)
// The return value indicates whether the data was already cached.
template <int error_policy, template <typename> class TOUT, typename T>
void ReadFieldPtr(TOUT<T>& out, const char* name,
const FileDatabase& db) const;
bool ReadFieldPtr(TOUT<T>& out, const char* name,
const FileDatabase& db,
bool non_recursive = false) const;
// --------------------------------------------------------
// field parsing for static arrays of pointer or dynamic
// array types (boost::shared_ptr[] or boost::shared_array[])
// The return value indicates whether the data was already cached.
template <int error_policy, template <typename> class TOUT, typename T, size_t N>
void ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
bool ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
const FileDatabase& db) const;
// --------------------------------------------------------
// field parsing for `normal` values
// The return value indicates whether the data was already cached.
template <int error_policy, typename T>
void ReadField(T& out, const char* name,
const FileDatabase& db) const;
@ -299,17 +303,18 @@ private:
// --------------------------------------------------------
template <template <typename> class TOUT, typename T>
void ResolvePointer(TOUT<T>& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f) const;
bool ResolvePointer(TOUT<T>& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f,
bool non_recursive = false) const;
// --------------------------------------------------------
template <template <typename> class TOUT, typename T>
void ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f) const;
bool ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f, bool) const;
// --------------------------------------------------------
void ResolvePointer( boost::shared_ptr< FileOffset >& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f) const;
bool ResolvePointer( boost::shared_ptr< FileOffset >& out, const Pointer & ptrval,
const FileDatabase& db, const Field& f, bool) const;
// --------------------------------------------------------
inline const FileBlockHead* LocateFileBlockForAddress(
@ -384,10 +389,11 @@ template <> struct Structure :: _defaultInitializer<ErrorPolicy_Fail> {
};
// -------------------------------------------------------------------------------------------------------
template <> inline void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::shared_ptr<ElemBase>& out,
template <> inline bool Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::shared_ptr<ElemBase>& out,
const Pointer & ptrval,
const FileDatabase& db,
const Field& f
const Field& f,
bool
) const;

View File

@ -180,7 +180,8 @@ void Structure :: ReadFieldArray2(T (& out)[M][N], const char* name, const FileD
//--------------------------------------------------------------------------------
template <int error_policy, template <typename> class TOUT, typename T>
void Structure :: ReadFieldPtr(TOUT<T>& out, const char* name, const FileDatabase& db) const
bool Structure :: ReadFieldPtr(TOUT<T>& out, const char* name, const FileDatabase& db,
bool non_recursive /*= false*/) const
{
const StreamReaderAny::pos old = db.reader->GetCurrentPos();
Pointer ptrval;
@ -203,23 +204,27 @@ void Structure :: ReadFieldPtr(TOUT<T>& out, const char* name, const FileDatabas
_defaultInitializer<error_policy>()(out,e.what());
out.reset();
return;
return false;
}
// resolve the pointer and load the corresponding structure
ResolvePointer(out,ptrval,db,*f);
const bool res = ResolvePointer(out,ptrval,db,*f, non_recursive);
// and recover the previous stream position
db.reader->SetCurrentPos(old);
if(!non_recursive) {
// and recover the previous stream position
db.reader->SetCurrentPos(old);
}
#ifndef ASSIMP_BUILD_BLENDER_NO_STATS
++db.stats().fields_read;
#endif
return res;
}
//--------------------------------------------------------------------------------
template <int error_policy, template <typename> class TOUT, typename T, size_t N>
void Structure :: ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
bool Structure :: ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
const FileDatabase& db) const
{
// XXX see if we can reduce this to call to the 'normal' ReadFieldPtr
@ -253,11 +258,13 @@ void Structure :: ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
for(size_t i = 0; i < N; ++i) {
out[i].reset();
}
return;
return false;
}
bool res = true;
for(size_t i = 0; i < N; ++i) {
// resolve the pointer and load the corresponding structure
ResolvePointer(out[i],ptrval[i],db,*f);
res = ResolvePointer(out[i],ptrval[i],db,*f) && res;
}
// and recover the previous stream position
@ -266,6 +273,7 @@ void Structure :: ReadFieldPtr(TOUT<T> (&out)[N], const char* name,
#ifndef ASSIMP_BUILD_BLENDER_NO_STATS
++db.stats().fields_read;
#endif
return res;
}
//--------------------------------------------------------------------------------
@ -296,11 +304,13 @@ void Structure :: ReadField(T& out, const char* name, const FileDatabase& db) co
//--------------------------------------------------------------------------------
template <template <typename> class TOUT, typename T>
void Structure :: ResolvePointer(TOUT<T>& out, const Pointer & ptrval, const FileDatabase& db, const Field& f) const
bool Structure :: ResolvePointer(TOUT<T>& out, const Pointer & ptrval, const FileDatabase& db,
const Field& f,
bool non_recursive /*= false*/) const
{
out.reset();
out.reset(); // ensure null pointers work
if (!ptrval.val) {
return;
return false;
}
const Structure& s = db.dna[f.type];
// find the file block the pointer is pointing to
@ -318,7 +328,7 @@ void Structure :: ResolvePointer(TOUT<T>& out, const Pointer & ptrval, const Fil
// try to retrieve the object from the cache
db.cache(out).get(s,out,ptrval);
if (out) {
return;
return true;
}
// seek to this location, but save the previous stream pointer.
@ -334,27 +344,36 @@ void Structure :: ResolvePointer(TOUT<T>& out, const Pointer & ptrval, const Fil
// cache the object before we convert it to avoid cyclic recursion.
db.cache(out).set(s,out,ptrval);
for (size_t i = 0; i < num; ++i,++o) {
s.Convert(*o,db);
}
// if the non_recursive flag is set, we don't do anything but leave
// the cursor at the correct position to resolve the object.
if (!non_recursive) {
for (size_t i = 0; i < num; ++i,++o) {
s.Convert(*o,db);
}
db.reader->SetCurrentPos(pold);
db.reader->SetCurrentPos(pold);
}
#ifndef ASSIMP_BUILD_BLENDER_NO_STATS
if(out) {
++db.stats().pointers_resolved;
}
#endif
return false;
}
//--------------------------------------------------------------------------------
inline void Structure :: ResolvePointer( boost::shared_ptr< FileOffset >& out, const Pointer & ptrval, const FileDatabase& db, const Field& /*f*/) const
inline bool Structure :: ResolvePointer( boost::shared_ptr< FileOffset >& out, const Pointer & ptrval,
const FileDatabase& db,
const Field&,
bool) const
{
// Currently used exclusively by PackedFile::data to represent
// a simple offset into the mapped BLEND file.
out.reset();
if (!ptrval.val) {
return;
return false;
}
// find the file block the pointer is pointing to
@ -362,11 +381,15 @@ inline void Structure :: ResolvePointer( boost::shared_ptr< FileOffset >& out, c
out = boost::shared_ptr< FileOffset > (new FileOffset());
out->val = block->start+ static_cast<size_t>((ptrval.val - block->address.val) );
return false;
}
//--------------------------------------------------------------------------------
template <template <typename> class TOUT, typename T>
void Structure :: ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval, const FileDatabase& db, const Field& f) const
bool Structure :: ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
const FileDatabase& db,
const Field& f,
bool) const
{
// This is a function overload, not a template specialization. According to
// the partial ordering rules, it should be selected by the compiler
@ -374,7 +397,7 @@ void Structure :: ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
out.reset();
if (!ptrval.val) {
return;
return false;
}
// find the file block the pointer is pointing to
@ -385,6 +408,7 @@ void Structure :: ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
const StreamReaderAny::pos pold = db.reader->GetCurrentPos();
db.reader->SetCurrentPos(block->start+ static_cast<size_t>((ptrval.val - block->address.val) ));
bool res = false;
// allocate raw storage for the array
out.resize(num);
for (size_t i = 0; i< num; ++i) {
@ -392,17 +416,19 @@ void Structure :: ResolvePointer(vector< TOUT<T> >& out, const Pointer & ptrval,
Convert(val,db);
// and resolve the pointees
ResolvePointer(out[i],val,db,f);
res = ResolvePointer(out[i],val,db,f) && res;
}
db.reader->SetCurrentPos(pold);
return res;
}
//--------------------------------------------------------------------------------
template <> void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::shared_ptr<ElemBase>& out,
template <> bool Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::shared_ptr<ElemBase>& out,
const Pointer & ptrval,
const FileDatabase& db,
const Field& /*f*/
const Field&,
bool
) const
{
// Special case when the data type needs to be determined at runtime.
@ -410,7 +436,7 @@ template <> void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::
out.reset();
if (!ptrval.val) {
return;
return false;
}
// find the file block the pointer is pointing to
@ -422,7 +448,7 @@ template <> void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::
// try to retrieve the object from the cache
db.cache(out).get(s,out,ptrval);
if (out) {
return;
return true;
}
// seek to this location, but save the previous stream pointer.
@ -440,7 +466,7 @@ template <> void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::
DefaultLogger::get()->warn((Formatter::format(),
"Failed to find a converter for the `",s.name,"` structure"
));
return;
return false;
}
// allocate the object hull
@ -459,11 +485,11 @@ template <> void Structure :: ResolvePointer<boost::shared_ptr,ElemBase>(boost::
// to perform additional type checking.
out->dna_type = s.name.c_str();
#ifndef ASSIMP_BUILD_BLENDER_NO_STATS
++db.stats().pointers_resolved;
#endif
return false;
}
//--------------------------------------------------------------------------------

File diff suppressed because it is too large Load Diff

View File

@ -47,204 +47,204 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace Assimp {
namespace Blender {
template <> void Structure :: Convert<Object> (
Object& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Group> (
Group& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTex> (
MTex& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<TFace> (
TFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<SubsurfModifierData> (
SubsurfModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MFace> (
MFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Lamp> (
Lamp& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MDeformWeight> (
MDeformWeight& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<PackedFile> (
PackedFile& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Base> (
Base& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTFace> (
MTFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Material> (
Material& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTexPoly> (
MTexPoly& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Mesh> (
Mesh& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MDeformVert> (
MDeformVert& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<World> (
World& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoopCol> (
MLoopCol& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MVert> (
MVert& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MEdge> (
MEdge& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoopUV> (
MLoopUV& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<GroupObject> (
GroupObject& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ListBase> (
ListBase& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoop> (
MLoop& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ModifierData> (
ModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ID> (
ID& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MCol> (
MCol& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MPoly> (
MPoly& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Scene> (
Scene& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Library> (
Library& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Tex> (
Tex& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Camera> (
Camera& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MirrorModifierData> (
MirrorModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Image> (
Image& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Object> (
Object& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Group> (
Group& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTex> (
MTex& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<TFace> (
TFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<SubsurfModifierData> (
SubsurfModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MFace> (
MFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Lamp> (
Lamp& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MDeformWeight> (
MDeformWeight& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<PackedFile> (
PackedFile& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Base> (
Base& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTFace> (
MTFace& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Material> (
Material& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MTexPoly> (
MTexPoly& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Mesh> (
Mesh& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MDeformVert> (
MDeformVert& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<World> (
World& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoopCol> (
MLoopCol& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MVert> (
MVert& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MEdge> (
MEdge& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoopUV> (
MLoopUV& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<GroupObject> (
GroupObject& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ListBase> (
ListBase& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MLoop> (
MLoop& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ModifierData> (
ModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<ID> (
ID& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MCol> (
MCol& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MPoly> (
MPoly& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Scene> (
Scene& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Library> (
Library& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Tex> (
Tex& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Camera> (
Camera& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<MirrorModifierData> (
MirrorModifierData& dest,
const FileDatabase& db
) const
;
template <> void Structure :: Convert<Image> (
Image& dest,
const FileDatabase& db
) const
;
}

View File

@ -5,7 +5,7 @@
# Open Asset Import Library (ASSIMP)
# ---------------------------------------------------------------------------
#
# Copyright (c) 2006-2010, ASSIMP Development Team
# Copyright (c) 2006-2013, ASSIMP Development Team
#
# All rights reserved.
#
@ -55,6 +55,55 @@ outputfile_src = os.path.join("..","..","code","BlenderScene.cpp")
template_gen = "BlenderSceneGen.h.template"
template_src = "BlenderScene.cpp.template"
# workaround for stackoverflowing when reading the linked list of scene objects
# with the usual approach. See embedded notes for details.
Structure_Convert_Base_fullcode = """
template <> void Structure :: Convert<Base> (
Base& dest,
const FileDatabase& db
) const
{
// note: as per https://github.com/assimp/assimp/issues/128,
// reading the Object linked list recursively is prone to stack overflow.
// This structure converter is therefore an hand-written exception that
// does it iteratively.
const int initial_pos = db.reader->GetCurrentPos();
std::pair<Base*, int> todo = std::make_pair(&dest, initial_pos);
Base* saved_prev = NULL;
while(true) {
Base& cur_dest = *todo.first;
db.reader->SetCurrentPos(todo.second);
// we know that this is a double-linked, circular list which we never
// traverse backwards, so don't bother resolving the back links.
cur_dest.prev = NULL;
ReadFieldPtr<ErrorPolicy_Warn>(cur_dest.object,"*object",db);
// just record the offset of the blob data and allocate storage.
// Does _not_ invoke Convert() recursively.
const int old = db.reader->GetCurrentPos();
// the return value of ReadFieldPtr indicates whether the object
// was already cached. In this case, we don't need to resolve
// it again.
if(!ReadFieldPtr<ErrorPolicy_Warn>(cur_dest.next,"*next",db, true) && cur_dest.next) {
todo = std::make_pair(&*cur_dest.next, db.reader->GetCurrentPos());
continue;
}
break;
}
db.reader->SetCurrentPos(initial_pos + size);
}
"""
Structure_Convert_decl = """
template <> void Structure :: Convert<{a}> (
@ -201,7 +250,11 @@ def main():
# -----------------------------------------------------------------------
# Structure::Convert<T> definitions for all supported structures
for k,v in hits.items():
s += "//" + "-"*80 + Structure_Convert_decl.format(a=k)+ "{ \n";
s += "//" + "-"*80
if k == 'Base':
s += Structure_Convert_Base_fullcode
continue
s += Structure_Convert_decl.format(a=k)+ "{ \n";
for type, name, policy in v:
splits = name.split("[",1)