glTF: start fork of files used in export, for glTF2
jamesgk
parent
cf0a83de17
commit
38626d4260
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
Open Asset Import Library (assimp)
|
||||
----------------------------------------------------------------------
|
||||
|
||||
Copyright (c) 2006-2017, assimp team
|
||||
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use of this software in source and binary forms,
|
||||
with or without modification, are permitted provided that the
|
||||
following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer in the documentation and/or other
|
||||
materials provided with the distribution.
|
||||
|
||||
* Neither the name of the assimp team, nor the names of its
|
||||
contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior
|
||||
written permission of the assimp team.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/** @file glTFWriter.h
|
||||
* Declares a class to write gltf/glb files
|
||||
*
|
||||
* glTF Extensions Support:
|
||||
* KHR_binary_glTF: full
|
||||
* KHR_materials_common: full
|
||||
*/
|
||||
#ifndef GLTFASSETWRITER_H_INC
|
||||
#define GLTFASSETWRITER_H_INC
|
||||
|
||||
#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER
|
||||
|
||||
#include "glTFAsset.h"
|
||||
|
||||
namespace glTF
|
||||
{
|
||||
|
||||
using rapidjson::MemoryPoolAllocator;
|
||||
|
||||
class AssetWriter
|
||||
{
|
||||
template<class T>
|
||||
friend void WriteLazyDict(LazyDict<T>& d, AssetWriter& w);
|
||||
|
||||
private:
|
||||
|
||||
void WriteBinaryData(IOStream* outfile, size_t sceneLength);
|
||||
|
||||
void WriteMetadata();
|
||||
void WriteExtensionsUsed();
|
||||
|
||||
template<class T>
|
||||
void WriteObjects(LazyDict<T>& d);
|
||||
|
||||
public:
|
||||
Document mDoc;
|
||||
Asset& mAsset;
|
||||
|
||||
MemoryPoolAllocator<>& mAl;
|
||||
|
||||
AssetWriter(Asset& asset);
|
||||
|
||||
void WriteFile(const char* path);
|
||||
void WriteGLBFile(const char* path);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
// Include the implementation of the methods
|
||||
#include "glTFAssetWriter.inl"
|
||||
|
||||
#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER
|
||||
|
||||
#endif // GLTFASSETWRITER_H_INC
|
||||
|
|
@ -0,0 +1,685 @@
|
|||
/*
|
||||
Open Asset Import Library (assimp)
|
||||
----------------------------------------------------------------------
|
||||
|
||||
Copyright (c) 2006-2017, assimp team
|
||||
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use of this software in source and binary forms,
|
||||
with or without modification, are permitted provided that the
|
||||
following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer in the documentation and/or other
|
||||
materials provided with the distribution.
|
||||
|
||||
* Neither the name of the assimp team, nor the names of its
|
||||
contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior
|
||||
written permission of the assimp team.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#include <rapidjson/stringbuffer.h>
|
||||
#include <rapidjson/writer.h>
|
||||
#include <rapidjson/prettywriter.h>
|
||||
|
||||
namespace glTF {
|
||||
|
||||
using rapidjson::StringBuffer;
|
||||
using rapidjson::PrettyWriter;
|
||||
using rapidjson::Writer;
|
||||
using rapidjson::StringRef;
|
||||
using rapidjson::StringRef;
|
||||
|
||||
namespace {
|
||||
|
||||
template<size_t N>
|
||||
inline Value& MakeValue(Value& val, float(&r)[N], MemoryPoolAllocator<>& al) {
|
||||
val.SetArray();
|
||||
val.Reserve(N, al);
|
||||
for (decltype(N) i = 0; i < N; ++i) {
|
||||
val.PushBack(r[i], al);
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
inline Value& MakeValue(Value& val, const std::vector<float> & r, MemoryPoolAllocator<>& al) {
|
||||
val.SetArray();
|
||||
val.Reserve(static_cast<rapidjson::SizeType>(r.size()), al);
|
||||
for (unsigned int i = 0; i < r.size(); ++i) {
|
||||
val.PushBack(r[i], al);
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
template<class T>
|
||||
inline void AddRefsVector(Value& obj, const char* fieldId, std::vector< Ref<T> >& v, MemoryPoolAllocator<>& al) {
|
||||
if (v.empty()) return;
|
||||
Value lst;
|
||||
lst.SetArray();
|
||||
lst.Reserve(unsigned(v.size()), al);
|
||||
for (size_t i = 0; i < v.size(); ++i) {
|
||||
lst.PushBack(StringRef(v[i]->id), al);
|
||||
}
|
||||
obj.AddMember(StringRef(fieldId), lst, al);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Accessor& a, AssetWriter& w)
|
||||
{
|
||||
obj.AddMember("bufferView", Value(a.bufferView->id, w.mAl).Move(), w.mAl);
|
||||
obj.AddMember("byteOffset", a.byteOffset, w.mAl);
|
||||
obj.AddMember("byteStride", a.byteStride, w.mAl);
|
||||
obj.AddMember("componentType", int(a.componentType), w.mAl);
|
||||
obj.AddMember("count", a.count, w.mAl);
|
||||
obj.AddMember("type", StringRef(AttribType::ToString(a.type)), w.mAl);
|
||||
|
||||
Value vTmpMax, vTmpMin;
|
||||
obj.AddMember("max", MakeValue(vTmpMax, a.max, w.mAl), w.mAl);
|
||||
obj.AddMember("min", MakeValue(vTmpMin, a.min, w.mAl), w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Animation& a, AssetWriter& w)
|
||||
{
|
||||
/****************** Channels *******************/
|
||||
Value channels;
|
||||
channels.SetArray();
|
||||
channels.Reserve(unsigned(a.Channels.size()), w.mAl);
|
||||
|
||||
for (size_t i = 0; i < unsigned(a.Channels.size()); ++i) {
|
||||
Animation::AnimChannel& c = a.Channels[i];
|
||||
Value valChannel;
|
||||
valChannel.SetObject();
|
||||
{
|
||||
valChannel.AddMember("sampler", c.sampler, w.mAl);
|
||||
|
||||
Value valTarget;
|
||||
valTarget.SetObject();
|
||||
{
|
||||
valTarget.AddMember("id", StringRef(c.target.id->id), w.mAl);
|
||||
valTarget.AddMember("path", c.target.path, w.mAl);
|
||||
}
|
||||
valChannel.AddMember("target", valTarget, w.mAl);
|
||||
}
|
||||
channels.PushBack(valChannel, w.mAl);
|
||||
}
|
||||
obj.AddMember("channels", channels, w.mAl);
|
||||
|
||||
/****************** Parameters *******************/
|
||||
Value valParameters;
|
||||
valParameters.SetObject();
|
||||
{
|
||||
if (a.Parameters.TIME) {
|
||||
valParameters.AddMember("TIME", StringRef(a.Parameters.TIME->id), w.mAl);
|
||||
}
|
||||
if (a.Parameters.rotation) {
|
||||
valParameters.AddMember("rotation", StringRef(a.Parameters.rotation->id), w.mAl);
|
||||
}
|
||||
if (a.Parameters.scale) {
|
||||
valParameters.AddMember("scale", StringRef(a.Parameters.scale->id), w.mAl);
|
||||
}
|
||||
if (a.Parameters.translation) {
|
||||
valParameters.AddMember("translation", StringRef(a.Parameters.translation->id), w.mAl);
|
||||
}
|
||||
}
|
||||
obj.AddMember("parameters", valParameters, w.mAl);
|
||||
|
||||
/****************** Samplers *******************/
|
||||
Value valSamplers;
|
||||
valSamplers.SetObject();
|
||||
|
||||
for (size_t i = 0; i < unsigned(a.Samplers.size()); ++i) {
|
||||
Animation::AnimSampler& s = a.Samplers[i];
|
||||
Value valSampler;
|
||||
valSampler.SetObject();
|
||||
{
|
||||
valSampler.AddMember("input", s.input, w.mAl);
|
||||
valSampler.AddMember("interpolation", s.interpolation, w.mAl);
|
||||
valSampler.AddMember("output", s.output, w.mAl);
|
||||
}
|
||||
valSamplers.AddMember(StringRef(s.id), valSampler, w.mAl);
|
||||
}
|
||||
obj.AddMember("samplers", valSamplers, w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Buffer& b, AssetWriter& w)
|
||||
{
|
||||
const char* type;
|
||||
switch (b.type) {
|
||||
case Buffer::Type_text:
|
||||
type = "text"; break;
|
||||
default:
|
||||
type = "arraybuffer";
|
||||
}
|
||||
|
||||
obj.AddMember("byteLength", static_cast<uint64_t>(b.byteLength), w.mAl);
|
||||
obj.AddMember("type", StringRef(type), w.mAl);
|
||||
obj.AddMember("uri", Value(b.GetURI(), w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, BufferView& bv, AssetWriter& w)
|
||||
{
|
||||
obj.AddMember("buffer", Value(bv.buffer->id, w.mAl).Move(), w.mAl);
|
||||
obj.AddMember("byteOffset", static_cast<uint64_t>(bv.byteOffset), w.mAl);
|
||||
obj.AddMember("byteLength", static_cast<uint64_t>(bv.byteLength), w.mAl);
|
||||
obj.AddMember("target", int(bv.target), w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Camera& c, AssetWriter& w)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Image& img, AssetWriter& w)
|
||||
{
|
||||
std::string uri;
|
||||
if (w.mAsset.extensionsUsed.KHR_binary_glTF && img.bufferView) {
|
||||
Value exts, ext;
|
||||
exts.SetObject();
|
||||
ext.SetObject();
|
||||
|
||||
ext.AddMember("bufferView", StringRef(img.bufferView->id), w.mAl);
|
||||
|
||||
if (!img.mimeType.empty())
|
||||
ext.AddMember("mimeType", StringRef(img.mimeType), w.mAl);
|
||||
|
||||
exts.AddMember("KHR_binary_glTF", ext, w.mAl);
|
||||
obj.AddMember("extensions", exts, w.mAl);
|
||||
return;
|
||||
}
|
||||
else if (img.HasData()) {
|
||||
uri = "data:" + (img.mimeType.empty() ? "application/octet-stream" : img.mimeType);
|
||||
uri += ";base64,";
|
||||
Util::EncodeBase64(img.GetData(), img.GetDataLength(), uri);
|
||||
}
|
||||
else {
|
||||
uri = img.uri;
|
||||
}
|
||||
|
||||
obj.AddMember("uri", Value(uri, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
namespace {
|
||||
inline void WriteColorOrTex(Value& obj, TexProperty& prop, const char* propName, MemoryPoolAllocator<>& al)
|
||||
{
|
||||
if (prop.texture)
|
||||
obj.AddMember(StringRef(propName), Value(prop.texture->id, al).Move(), al);
|
||||
else {
|
||||
Value col;
|
||||
obj.AddMember(StringRef(propName), MakeValue(col, prop.color, al), al);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Material& m, AssetWriter& w)
|
||||
{
|
||||
Value v;
|
||||
v.SetObject();
|
||||
{
|
||||
WriteColorOrTex(v, m.ambient, "ambient", w.mAl);
|
||||
WriteColorOrTex(v, m.diffuse, "diffuse", w.mAl);
|
||||
WriteColorOrTex(v, m.specular, "specular", w.mAl);
|
||||
WriteColorOrTex(v, m.emission, "emission", w.mAl);
|
||||
|
||||
if (m.transparent)
|
||||
v.AddMember("transparency", m.transparency, w.mAl);
|
||||
|
||||
v.AddMember("shininess", m.shininess, w.mAl);
|
||||
}
|
||||
obj.AddMember("values", v, w.mAl);
|
||||
}
|
||||
|
||||
namespace {
|
||||
inline void WriteAttrs(AssetWriter& w, Value& attrs, Mesh::AccessorList& lst,
|
||||
const char* semantic, bool forceNumber = false)
|
||||
{
|
||||
if (lst.empty()) return;
|
||||
if (lst.size() == 1 && !forceNumber) {
|
||||
attrs.AddMember(StringRef(semantic), Value(lst[0]->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
else {
|
||||
for (size_t i = 0; i < lst.size(); ++i) {
|
||||
char buffer[32];
|
||||
ai_snprintf(buffer, 32, "%s_%d", semantic, int(i));
|
||||
attrs.AddMember(Value(buffer, w.mAl).Move(), Value(lst[i]->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Mesh& m, AssetWriter& w)
|
||||
{
|
||||
/********************* Name **********************/
|
||||
obj.AddMember("name", m.name, w.mAl);
|
||||
|
||||
/**************** Mesh extensions ****************/
|
||||
if(m.Extension.size() > 0)
|
||||
{
|
||||
Value json_extensions;
|
||||
|
||||
json_extensions.SetObject();
|
||||
for(Mesh::SExtension* ptr_ext : m.Extension)
|
||||
{
|
||||
switch(ptr_ext->Type)
|
||||
{
|
||||
#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
|
||||
case Mesh::SExtension::EType::Compression_Open3DGC:
|
||||
{
|
||||
Value json_comp_data;
|
||||
Mesh::SCompression_Open3DGC* ptr_ext_comp = (Mesh::SCompression_Open3DGC*)ptr_ext;
|
||||
|
||||
// filling object "compressedData"
|
||||
json_comp_data.SetObject();
|
||||
json_comp_data.AddMember("buffer", ptr_ext_comp->Buffer, w.mAl);
|
||||
json_comp_data.AddMember("byteOffset", ptr_ext_comp->Offset, w.mAl);
|
||||
json_comp_data.AddMember("componentType", 5121, w.mAl);
|
||||
json_comp_data.AddMember("type", "SCALAR", w.mAl);
|
||||
json_comp_data.AddMember("count", ptr_ext_comp->Count, w.mAl);
|
||||
if(ptr_ext_comp->Binary)
|
||||
json_comp_data.AddMember("mode", "binary", w.mAl);
|
||||
else
|
||||
json_comp_data.AddMember("mode", "ascii", w.mAl);
|
||||
|
||||
json_comp_data.AddMember("indicesCount", ptr_ext_comp->IndicesCount, w.mAl);
|
||||
json_comp_data.AddMember("verticesCount", ptr_ext_comp->VerticesCount, w.mAl);
|
||||
// filling object "Open3DGC-compression"
|
||||
Value json_o3dgc;
|
||||
|
||||
json_o3dgc.SetObject();
|
||||
json_o3dgc.AddMember("compressedData", json_comp_data, w.mAl);
|
||||
// add member to object "extensions"
|
||||
json_extensions.AddMember("Open3DGC-compression", json_o3dgc, w.mAl);
|
||||
}
|
||||
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
throw DeadlyImportError("GLTF: Can not write mesh: unknown mesh extension, only Open3DGC is supported.");
|
||||
}// switch(ptr_ext->Type)
|
||||
}// for(Mesh::SExtension* ptr_ext : m.Extension)
|
||||
|
||||
// Add extensions to mesh
|
||||
obj.AddMember("extensions", json_extensions, w.mAl);
|
||||
}// if(m.Extension.size() > 0)
|
||||
|
||||
/****************** Primitives *******************/
|
||||
Value primitives;
|
||||
primitives.SetArray();
|
||||
primitives.Reserve(unsigned(m.primitives.size()), w.mAl);
|
||||
|
||||
for (size_t i = 0; i < m.primitives.size(); ++i) {
|
||||
Mesh::Primitive& p = m.primitives[i];
|
||||
Value prim;
|
||||
prim.SetObject();
|
||||
{
|
||||
prim.AddMember("mode", Value(int(p.mode)).Move(), w.mAl);
|
||||
|
||||
if (p.material)
|
||||
prim.AddMember("material", p.material->id, w.mAl);
|
||||
|
||||
if (p.indices)
|
||||
prim.AddMember("indices", Value(p.indices->id, w.mAl).Move(), w.mAl);
|
||||
|
||||
Value attrs;
|
||||
attrs.SetObject();
|
||||
{
|
||||
WriteAttrs(w, attrs, p.attributes.position, "POSITION");
|
||||
WriteAttrs(w, attrs, p.attributes.normal, "NORMAL");
|
||||
WriteAttrs(w, attrs, p.attributes.texcoord, "TEXCOORD", true);
|
||||
WriteAttrs(w, attrs, p.attributes.color, "COLOR");
|
||||
WriteAttrs(w, attrs, p.attributes.joint, "JOINT");
|
||||
WriteAttrs(w, attrs, p.attributes.jointmatrix, "JOINTMATRIX");
|
||||
WriteAttrs(w, attrs, p.attributes.weight, "WEIGHT");
|
||||
}
|
||||
prim.AddMember("attributes", attrs, w.mAl);
|
||||
}
|
||||
primitives.PushBack(prim, w.mAl);
|
||||
}
|
||||
|
||||
obj.AddMember("primitives", primitives, w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Node& n, AssetWriter& w)
|
||||
{
|
||||
|
||||
if (n.matrix.isPresent) {
|
||||
Value val;
|
||||
obj.AddMember("matrix", MakeValue(val, n.matrix.value, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
if (n.translation.isPresent) {
|
||||
Value val;
|
||||
obj.AddMember("translation", MakeValue(val, n.translation.value, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
if (n.scale.isPresent) {
|
||||
Value val;
|
||||
obj.AddMember("scale", MakeValue(val, n.scale.value, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
if (n.rotation.isPresent) {
|
||||
Value val;
|
||||
obj.AddMember("rotation", MakeValue(val, n.rotation.value, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
AddRefsVector(obj, "children", n.children, w.mAl);
|
||||
|
||||
AddRefsVector(obj, "meshes", n.meshes, w.mAl);
|
||||
|
||||
AddRefsVector(obj, "skeletons", n.skeletons, w.mAl);
|
||||
|
||||
if (n.skin) {
|
||||
obj.AddMember("skin", Value(n.skin->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
if (!n.jointName.empty()) {
|
||||
obj.AddMember("jointName", n.jointName, w.mAl);
|
||||
}
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Program& b, AssetWriter& w)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Sampler& b, AssetWriter& w)
|
||||
{
|
||||
if (b.wrapS) {
|
||||
obj.AddMember("wrapS", b.wrapS, w.mAl);
|
||||
}
|
||||
if (b.wrapT) {
|
||||
obj.AddMember("wrapT", b.wrapT, w.mAl);
|
||||
}
|
||||
if (b.magFilter) {
|
||||
obj.AddMember("magFilter", b.magFilter, w.mAl);
|
||||
}
|
||||
if (b.minFilter) {
|
||||
obj.AddMember("minFilter", b.minFilter, w.mAl);
|
||||
}
|
||||
}
|
||||
|
||||
inline void Write(Value& scene, Scene& s, AssetWriter& w)
|
||||
{
|
||||
AddRefsVector(scene, "nodes", s.nodes, w.mAl);
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Shader& b, AssetWriter& w)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Skin& b, AssetWriter& w)
|
||||
{
|
||||
/****************** jointNames *******************/
|
||||
Value vJointNames;
|
||||
vJointNames.SetArray();
|
||||
vJointNames.Reserve(unsigned(b.jointNames.size()), w.mAl);
|
||||
|
||||
for (size_t i = 0; i < unsigned(b.jointNames.size()); ++i) {
|
||||
vJointNames.PushBack(StringRef(b.jointNames[i]->jointName), w.mAl);
|
||||
}
|
||||
obj.AddMember("jointNames", vJointNames, w.mAl);
|
||||
|
||||
if (b.bindShapeMatrix.isPresent) {
|
||||
Value val;
|
||||
obj.AddMember("bindShapeMatrix", MakeValue(val, b.bindShapeMatrix.value, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
if (b.inverseBindMatrices) {
|
||||
obj.AddMember("inverseBindMatrices", Value(b.inverseBindMatrices->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Technique& b, AssetWriter& w)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Texture& tex, AssetWriter& w)
|
||||
{
|
||||
if (tex.source) {
|
||||
obj.AddMember("source", Value(tex.source->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
if (tex.sampler) {
|
||||
obj.AddMember("sampler", Value(tex.sampler->id, w.mAl).Move(), w.mAl);
|
||||
}
|
||||
}
|
||||
|
||||
inline void Write(Value& obj, Light& b, AssetWriter& w)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
|
||||
inline AssetWriter::AssetWriter(Asset& a)
|
||||
: mDoc()
|
||||
, mAsset(a)
|
||||
, mAl(mDoc.GetAllocator())
|
||||
{
|
||||
mDoc.SetObject();
|
||||
|
||||
WriteMetadata();
|
||||
WriteExtensionsUsed();
|
||||
|
||||
// Dump the contents of the dictionaries
|
||||
for (size_t i = 0; i < a.mDicts.size(); ++i) {
|
||||
a.mDicts[i]->WriteObjects(*this);
|
||||
}
|
||||
|
||||
// Add the target scene field
|
||||
if (mAsset.scene) {
|
||||
mDoc.AddMember("scene", StringRef(mAsset.scene->id), mAl);
|
||||
}
|
||||
}
|
||||
|
||||
inline void AssetWriter::WriteFile(const char* path)
|
||||
{
|
||||
std::unique_ptr<IOStream> jsonOutFile(mAsset.OpenFile(path, "wt", true));
|
||||
|
||||
if (jsonOutFile == 0) {
|
||||
throw DeadlyExportError("Could not open output file: " + std::string(path));
|
||||
}
|
||||
|
||||
StringBuffer docBuffer;
|
||||
|
||||
PrettyWriter<StringBuffer> writer(docBuffer);
|
||||
mDoc.Accept(writer);
|
||||
|
||||
if (jsonOutFile->Write(docBuffer.GetString(), docBuffer.GetSize(), 1) != 1) {
|
||||
throw DeadlyExportError("Failed to write scene data!");
|
||||
}
|
||||
|
||||
// Write buffer data to separate .bin files
|
||||
for (unsigned int i = 0; i < mAsset.buffers.Size(); ++i) {
|
||||
Ref<Buffer> b = mAsset.buffers.Get(i);
|
||||
|
||||
std::string binPath = b->GetURI();
|
||||
|
||||
std::unique_ptr<IOStream> binOutFile(mAsset.OpenFile(binPath, "wb", true));
|
||||
|
||||
if (binOutFile == 0) {
|
||||
throw DeadlyExportError("Could not open output file: " + binPath);
|
||||
}
|
||||
|
||||
if (b->byteLength > 0) {
|
||||
if (binOutFile->Write(b->GetPointer(), b->byteLength, 1) != 1) {
|
||||
throw DeadlyExportError("Failed to write binary file: " + binPath);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
inline void AssetWriter::WriteGLBFile(const char* path)
|
||||
{
|
||||
std::unique_ptr<IOStream> outfile(mAsset.OpenFile(path, "wb", true));
|
||||
|
||||
if (outfile == 0) {
|
||||
throw DeadlyExportError("Could not open output file: " + std::string(path));
|
||||
}
|
||||
|
||||
// we will write the header later, skip its size
|
||||
outfile->Seek(sizeof(GLB_Header), aiOrigin_SET);
|
||||
|
||||
StringBuffer docBuffer;
|
||||
Writer<StringBuffer> writer(docBuffer);
|
||||
mDoc.Accept(writer);
|
||||
|
||||
if (outfile->Write(docBuffer.GetString(), docBuffer.GetSize(), 1) != 1) {
|
||||
throw DeadlyExportError("Failed to write scene data!");
|
||||
}
|
||||
|
||||
WriteBinaryData(outfile.get(), docBuffer.GetSize());
|
||||
}
|
||||
|
||||
inline void AssetWriter::WriteBinaryData(IOStream* outfile, size_t sceneLength)
|
||||
{
|
||||
//
|
||||
// write the body data
|
||||
//
|
||||
|
||||
size_t bodyLength = 0;
|
||||
if (Ref<Buffer> b = mAsset.GetBodyBuffer()) {
|
||||
bodyLength = b->byteLength;
|
||||
|
||||
if (bodyLength > 0) {
|
||||
size_t bodyOffset = sizeof(GLB_Header) + sceneLength;
|
||||
bodyOffset = (bodyOffset + 3) & ~3; // Round up to next multiple of 4
|
||||
|
||||
outfile->Seek(bodyOffset, aiOrigin_SET);
|
||||
|
||||
if (outfile->Write(b->GetPointer(), b->byteLength, 1) != 1) {
|
||||
throw DeadlyExportError("Failed to write body data!");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// write the header
|
||||
//
|
||||
|
||||
GLB_Header header;
|
||||
memcpy(header.magic, AI_GLB_MAGIC_NUMBER, sizeof(header.magic));
|
||||
|
||||
header.version = 1;
|
||||
AI_SWAP4(header.version);
|
||||
|
||||
header.length = uint32_t(sizeof(header) + sceneLength + bodyLength);
|
||||
AI_SWAP4(header.length);
|
||||
|
||||
header.sceneLength = uint32_t(sceneLength);
|
||||
AI_SWAP4(header.sceneLength);
|
||||
|
||||
header.sceneFormat = SceneFormat_JSON;
|
||||
AI_SWAP4(header.sceneFormat);
|
||||
|
||||
outfile->Seek(0, aiOrigin_SET);
|
||||
|
||||
if (outfile->Write(&header, 1, sizeof(header)) != sizeof(header)) {
|
||||
throw DeadlyExportError("Failed to write the header!");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
inline void AssetWriter::WriteMetadata()
|
||||
{
|
||||
Value asset;
|
||||
asset.SetObject();
|
||||
{
|
||||
char versionChar[10];
|
||||
ai_snprintf(versionChar, sizeof(versionChar), "%d", mAsset.asset.version);
|
||||
asset.AddMember("version", Value(versionChar, mAl).Move(), mAl);
|
||||
|
||||
asset.AddMember("generator", Value(mAsset.asset.generator, mAl).Move(), mAl);
|
||||
}
|
||||
mDoc.AddMember("asset", asset, mAl);
|
||||
}
|
||||
|
||||
inline void AssetWriter::WriteExtensionsUsed()
|
||||
{
|
||||
Value exts;
|
||||
exts.SetArray();
|
||||
{
|
||||
if (false)
|
||||
exts.PushBack(StringRef("KHR_binary_glTF"), mAl);
|
||||
|
||||
if (false)
|
||||
exts.PushBack(StringRef("KHR_materials_common"), mAl);
|
||||
}
|
||||
|
||||
if (!exts.Empty())
|
||||
mDoc.AddMember("extensionsUsed", exts, mAl);
|
||||
}
|
||||
|
||||
template<class T>
|
||||
void AssetWriter::WriteObjects(LazyDict<T>& d)
|
||||
{
|
||||
if (d.mObjs.empty()) return;
|
||||
|
||||
Value* container = &mDoc;
|
||||
|
||||
if (d.mExtId) {
|
||||
Value* exts = FindObject(mDoc, "extensions");
|
||||
if (!exts) {
|
||||
mDoc.AddMember("extensions", Value().SetObject().Move(), mDoc.GetAllocator());
|
||||
exts = FindObject(mDoc, "extensions");
|
||||
}
|
||||
|
||||
if (!(container = FindObject(*exts, d.mExtId))) {
|
||||
exts->AddMember(StringRef(d.mExtId), Value().SetObject().Move(), mDoc.GetAllocator());
|
||||
container = FindObject(*exts, d.mExtId);
|
||||
}
|
||||
}
|
||||
|
||||
Value* dict;
|
||||
if (!(dict = FindObject(*container, d.mDictId))) {
|
||||
container->AddMember(StringRef(d.mDictId), Value().SetObject().Move(), mDoc.GetAllocator());
|
||||
dict = FindObject(*container, d.mDictId);
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < d.mObjs.size(); ++i) {
|
||||
if (d.mObjs[i]->IsSpecial()) continue;
|
||||
|
||||
Value obj;
|
||||
obj.SetObject();
|
||||
|
||||
if (!d.mObjs[i]->name.empty()) {
|
||||
obj.AddMember("name", StringRef(d.mObjs[i]->name.c_str()), mAl);
|
||||
}
|
||||
|
||||
Write(obj, *d.mObjs[i], *this);
|
||||
|
||||
dict->AddMember(StringRef(d.mObjs[i]->id), obj, mAl);
|
||||
}
|
||||
}
|
||||
|
||||
template<class T>
|
||||
void WriteLazyDict(LazyDict<T>& d, AssetWriter& w)
|
||||
{
|
||||
w.WriteObjects(d);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,118 @@
|
|||
/*
|
||||
Open Asset Import Library (assimp)
|
||||
----------------------------------------------------------------------
|
||||
|
||||
Copyright (c) 2006-2017, assimp team
|
||||
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use of this software in source and binary forms,
|
||||
with or without modification, are permitted provided that the
|
||||
following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer in the documentation and/or other
|
||||
materials provided with the distribution.
|
||||
|
||||
* Neither the name of the assimp team, nor the names of its
|
||||
contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior
|
||||
written permission of the assimp team.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/** @file GltfExporter.h
|
||||
* Declares the exporter class to write a scene to a gltf/glb file
|
||||
*/
|
||||
#ifndef AI_GLTFEXPORTER_H_INC
|
||||
#define AI_GLTFEXPORTER_H_INC
|
||||
|
||||
#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER
|
||||
|
||||
#include <assimp/types.h>
|
||||
#include <assimp/material.h>
|
||||
|
||||
#include <sstream>
|
||||
#include <vector>
|
||||
#include <map>
|
||||
#include <memory>
|
||||
|
||||
struct aiScene;
|
||||
struct aiNode;
|
||||
struct aiMaterial;
|
||||
|
||||
namespace glTF
|
||||
{
|
||||
template<class T>
|
||||
class Ref;
|
||||
|
||||
class Asset;
|
||||
struct TexProperty;
|
||||
struct Node;
|
||||
}
|
||||
|
||||
namespace Assimp
|
||||
{
|
||||
class IOSystem;
|
||||
class IOStream;
|
||||
class ExportProperties;
|
||||
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
/** Helper class to export a given scene to an glTF file. */
|
||||
// ------------------------------------------------------------------------------------------------
|
||||
class glTFExporter
|
||||
{
|
||||
public:
|
||||
/// Constructor for a specific scene to export
|
||||
glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene,
|
||||
const ExportProperties* pProperties, bool binary);
|
||||
|
||||
private:
|
||||
|
||||
const char* mFilename;
|
||||
IOSystem* mIOSystem;
|
||||
const aiScene* mScene;
|
||||
const ExportProperties* mProperties;
|
||||
|
||||
std::map<std::string, unsigned int> mTexturesByPath;
|
||||
|
||||
std::shared_ptr<glTF::Asset> mAsset;
|
||||
|
||||
std::vector<unsigned char> mBodyData;
|
||||
|
||||
void WriteBinaryData(IOStream* outfile, std::size_t sceneLength);
|
||||
|
||||
void GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop);
|
||||
void GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt);
|
||||
void ExportMetadata();
|
||||
void ExportMaterials();
|
||||
void ExportMeshes();
|
||||
unsigned int ExportNodeHierarchy(const aiNode* n);
|
||||
unsigned int ExportNode(const aiNode* node, glTF::Ref<glTF::Node>& parent);
|
||||
void ExportScene();
|
||||
void ExportAnimations();
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER
|
||||
|
||||
#endif // AI_GLTFEXPORTER_H_INC
|
||||
Loading…
Reference in New Issue