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Build Assimp from source

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Dane Johnson
2021-03-15 13:46:19 -05:00
parent b7a83a2876
commit a41fcbe7f4
2126 changed files with 1385127 additions and 40 deletions
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56
thirdparty/assimp/scripts/BlenderImporter/BlenderScene.cpp.template vendored Normal file
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/*
Open Asset Import Library (ASSIMP)
----------------------------------------------------------------------
Copyright (c) 2006-2016, ASSIMP Development Team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the ASSIMP team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the ASSIMP Development Team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file BlenderScene.cpp
* @brief MACHINE GENERATED BY ./scripts/BlenderImporter/genblenddna.py
*/
#include "AssimpPCH.h"
#ifndef AI_BUILD_NO_BLEND_IMPORTER
#include "BlenderDNA.h"
#include "BlenderScene.h"
#include "BlenderSceneGen.h"
using namespace Assimp;
using namespace Assimp::Blender;
<HERE>
#endif

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thirdparty/assimp/scripts/BlenderImporter/BlenderSceneGen.h.template vendored Normal file
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/*
Open Asset Import Library (ASSIMP)
----------------------------------------------------------------------
Copyright (c) 2006-2016, ASSIMP Development Team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the ASSIMP team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the ASSIMP Development Team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file BlenderSceneGen.h
* @brief MACHINE GENERATED BY ./scripts/BlenderImporter/genblenddna.py
*/
#ifndef INCLUDED_AI_BLEND_SCENEGEN_H
#define INCLUDED_AI_BLEND_SCENEGEN_H
namespace Assimp {
namespace Blender {
<HERE>
}
}
#endif

299
thirdparty/assimp/scripts/BlenderImporter/genblenddna.py vendored Normal file
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#!/usr/bin/env python3
# -*- Coding: UTF-8 -*-
# ---------------------------------------------------------------------------
# Open Asset Import Library (ASSIMP)
# ---------------------------------------------------------------------------
#
# Copyright (c) 2006-2016, ASSIMP Development Team
#
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms,
# with or without modification, are permitted provided that the following
# conditions are met:
#
# * Redistributions of source code must retain the above
# copyright notice, this list of conditions and the
# following disclaimer.
#
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the
# following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# * Neither the name of the ASSIMP team, nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior
# written permission of the ASSIMP Development Team.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ---------------------------------------------------------------------------
"""Generate BlenderSceneGen.h and BlenderScene.cpp from the
data structures in BlenderScene.h to map from *any* DNA to
*our* DNA"""
import sys
import os
import re
inputfile = os.path.join("..","..","code","BlenderScene.h")
outputfile_gen = os.path.join("..","..","code","BlenderSceneGen.h")
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}> (
{a}& dest,
const FileDatabase& db
) const
"""
Structure_Convert_ptrdecl = """
ReadFieldPtr<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
Structure_Convert_rawptrdecl = """
{{
boost::shared_ptr<{type}> {name_canonical};
ReadFieldPtr<{policy}>({destcast}{name_canonical},"{name_dna}",db);
dest.{name_canonical} = {name_canonical}.get();
}}"""
Structure_Convert_arraydecl = """
ReadFieldArray<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
Structure_Convert_arraydecl2d = """
ReadFieldArray2<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
Structure_Convert_normal = """
ReadField<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
DNA_RegisterConverters_decl = """
void DNA::RegisterConverters() """
DNA_RegisterConverters_add = """
converters["{a}"] = DNA::FactoryPair( &Structure::Allocate<{a}>, &Structure::Convert<{a}> );"""
map_policy = {
"" : "ErrorPolicy_Igno"
,"IGNO" : "ErrorPolicy_Igno"
,"WARN" : "ErrorPolicy_Warn"
,"FAIL" : "ErrorPolicy_Fail"
}
#
def main():
# -----------------------------------------------------------------------
# Parse structure definitions from BlenderScene.h
input = open(inputfile,"rt").read()
#flags = re.ASCII|re.DOTALL|re.MULTILINE
flags = re.DOTALL|re.MULTILINE
#stripcoms = re.compile(r"/\*(.*?)*\/",flags)
getstruct = re.compile(r"struct\s+(\w+?)\s*(:\s*ElemBase)?\s*\{(.*?)^\}\s*;",flags)
getsmartx = re.compile(r"(std\s*::\s*)?(vector)\s*<\s*(boost\s*::\s*)?shared_(ptr)\s*<\s*(\w+)\s*>\s*>\s*",flags)
getsmartp = re.compile(r"(boost\s*::\s*)?shared_(ptr)\s*<\s*(\w+)\s*>\s*",flags)
getrawp = re.compile(r"(\w+)\s*\*\s*",flags)
getsmarta = re.compile(r"(std\s*::\s*)?(vector)\s*<\s*(\w+)\s*>\s*",flags)
getpolicy = re.compile(r"\s*(WARN|FAIL|IGNO)",flags)
stripenum = re.compile(r"enum\s+(\w+)\s*{.*?\}\s*;",flags)
assert getsmartx and getsmartp and getsmarta and getrawp and getpolicy and stripenum
enums = set()
#re.sub(stripcoms," ",input)
#print(input)
hits = {}
while 1:
match = re.search(getstruct,input)
if match is None:
break
tmp = match.groups()[2]
while 1:
match2 = re.search(stripenum,tmp)
if match2 is None:
break
tmp = tmp[match2.end():]
enums.add(match2.groups()[0])
hits[match.groups()[0]] = list(
filter(lambda x:x[:2] != "//" and len(x),
map(str.strip,
re.sub(stripenum," ",match.groups()[2]).split(";")
)))
input = input[match.end():]
for e in enums:
print("Enum: "+e)
for k,v in hits.items():
out = []
for line in v:
policy = "IGNO"
py = re.search(getpolicy,line)
if not py is None:
policy = py.groups()[0]
line = re.sub(getpolicy,"",line)
ty = re.match(getsmartx,line) or re.match(getsmartp,line) or\
re.match(getsmarta,line) or re.match(getrawp,line)
if ty is None:
ty = line.split(None,1)[0]
else:
if len(ty.groups()) == 1:
ty = ty.groups()[-1] + "$"
elif ty.groups()[1] == "ptr":
ty = ty.groups()[2] + "*"
elif ty.groups()[1] == "vector":
ty = ty.groups()[-1] + ("*" if len(ty.groups()) == 3 else "**")
else:
assert False
#print(line)
sp = line.split(',')
out.append((ty,sp[0].split(None)[-1].strip(),policy))
for m in sp[1:]:
out.append((ty,m.strip(),policy))
v[:] = out
print("Structure {0}".format(k))
for elem in out:
print("\t"+"\t".join(elem))
print("")
output = open(outputfile_gen,"wt")
templt = open(template_gen,"rt").read()
s = ""
# -----------------------------------------------------------------------
# Structure::Convert<T> declarations for all supported structures
for k,v in hits.items():
s += Structure_Convert_decl.format(a=k)+";\n";
output.write(templt.replace("<HERE>",s))
output = open(outputfile_src,"wt")
templt = open(template_src,"rt").read()
s = ""
# -----------------------------------------------------------------------
# Structure::Convert<T> definitions for all supported structures
for k,v in hits.items():
s += "//" + "-"*80
if k == 'Base':
s += Structure_Convert_Base_fullcode
continue
s += Structure_Convert_decl.format(a=k)+ "{ \n";
for type, name, policy in v:
splits = name.split("[",1)
name_canonical = splits[0]
#array_part = "" if len(splits)==1 else "["+splits[1]
is_raw_ptr = not not type.count("$")
ptr_decl = "*"*(type.count("*") + (1 if is_raw_ptr else 0))
name_dna = ptr_decl+name_canonical #+array_part
#required = "false"
policy = map_policy[policy]
destcast = "(int&)" if type in enums else ""
# POINTER
if is_raw_ptr:
type = type.replace('$','')
s += Structure_Convert_rawptrdecl.format(**locals())
elif ptr_decl:
s += Structure_Convert_ptrdecl.format(**locals())
# ARRAY MEMBER
elif name.count('[')==1:
s += Structure_Convert_arraydecl.format(**locals())
elif name.count('[')==2:
s += Structure_Convert_arraydecl2d.format(**locals())
# NORMAL MEMBER
else:
s += Structure_Convert_normal.format(**locals())
s += "\n\n\tdb.reader->IncPtr(size);\n}\n\n"
# -----------------------------------------------------------------------
# DNA::RegisterConverters - collect all available converter functions
# in a std::map<name,converter_proc>
#s += "#if 0\n"
s += "//" + "-"*80 + DNA_RegisterConverters_decl + "{\n"
for k,v in hits.items():
s += DNA_RegisterConverters_add.format(a=k)
s += "\n}\n"
#s += "#endif\n"
output.write(templt.replace("<HERE>",s))
# we got here, so no error
return 0
if __name__ == "__main__":
sys.exit(main())