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cleanup and refactoring

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CDaut 2024-05-25 11:53:25 +02:00
parent 2302158928
commit 76f6bf62a4
Signed by: clara
GPG key ID: 223391B52FAD4463
1285 changed files with 757994 additions and 8 deletions
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cmake_minimum_required(VERSION 3.6)
project(tinygltf)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED On)
set(CMAKE_CXX_EXTENSIONS Off)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
option(TINYGLTF_BUILD_LOADER_EXAMPLE "Build loader_example(load glTF and dump infos)" ON)
option(TINYGLTF_BUILD_GL_EXAMPLES "Build GL exampels(requires glfw, OpenGL, etc)" OFF)
option(TINYGLTF_BUILD_VALIDATOR_EXAMPLE "Build validator exampe" OFF)
option(TINYGLTF_BUILD_BUILDER_EXAMPLE "Build glTF builder example" OFF)
option(TINYGLTF_HEADER_ONLY "On: header-only mode. Off: create tinygltf library(No TINYGLTF_IMPLEMENTATION required in your project)" OFF)
option(TINYGLTF_INSTALL "Install tinygltf files during install step. Usually set to OFF if you include tinygltf through add_subdirectory()" ON)
if (TINYGLTF_BUILD_LOADER_EXAMPLE)
add_executable(loader_example
loader_example.cc
)
endif (TINYGLTF_BUILD_LOADER_EXAMPLE)
if (TINYGLTF_BUILD_GL_EXAMPLES)
add_subdirectory( examples/gltfutil )
add_subdirectory( examples/glview )
endif (TINYGLTF_BUILD_GL_EXAMPLES)
if (TINYGLTF_BUILD_VALIDATOR_EXAMPLE)
add_subdirectory( examples/validator )
endif (TINYGLTF_BUILD_VALIDATOR_EXAMPLE)
if (TINYGLTF_BUILD_BUILDER_EXAMPLE)
add_subdirectory ( examples/build-gltf )
endif (TINYGLTF_BUILD_BUILDER_EXAMPLE)
#
# for add_subdirectory and standalone build
#
if (TINYGLTF_HEADER_ONLY)
add_library(tinygltf INTERFACE)
target_include_directories(tinygltf
INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
else (TINYGLTF_HEADER_ONLY)
add_library(tinygltf)
target_sources(tinygltf PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/tiny_gltf.cc)
target_include_directories(tinygltf
INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
endif (TINYGLTF_HEADER_ONLY)
if (TINYGLTF_INSTALL)
install(TARGETS tinygltf EXPORT tinygltfTargets)
install(EXPORT tinygltfTargets NAMESPACE tinygltf:: FILE TinyGLTFTargets.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/TinyGLTFConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/TinyGLTFConfig.cmake INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/TinyGLTFConfig.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
# Do not install .lib even if !TINYGLTF_HEADER_ONLY
INSTALL ( FILES
json.hpp
stb_image.h
stb_image_write.h
tiny_gltf.h
${TINYGLTF_EXTRA_SOUECES}
DESTINATION
include
)
endif(TINYGLTF_INSTALL)

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MIT License
Copyright (c) 2017 Syoyo Fujita, Aurélien Chatelain and many contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Header only C++ tiny glTF library(loader/saver).
`TinyGLTF` is a header only C++11 glTF 2.0 https://github.com/KhronosGroup/glTF library.
`TinyGLTF` uses Niels Lohmann's json library (https://github.com/nlohmann/json), so now it requires C++11 compiler.
(Also, you can use RadpidJSON as an JSON backend)
If you are looking for old, C++03 version, please use `devel-picojson` branch (but not maintained anymore).
## Status
Currently TinyGLTF is stable and maintenance mode. No drastic changes and feature additions planned.
- v2.8.0 Add URICallbacks for custom URI handling in Buffer and Image. PR#397
- v2.7.0 Change WriteImageDataFunction user callback function signature. PR#393
- v2.6.0 Support serializing sparse accessor(Thanks to @fynv).
- v2.5.0 Add SetPreserveImageChannels() option to load image data as is.
- v2.4.0 Experimental RapidJSON support. Experimental C++14 support(C++14 may give better performance)
- v2.3.0 Modified Material representation according to glTF 2.0 schema(and introduced TextureInfo class)
- v2.2.0 release(Support loading 16bit PNG. Sparse accessor support)
- v2.1.0 release(Draco decoding support)
- v2.0.0 release(22 Aug, 2018)!
### Branches
* `sajson` : Use sajson to parse JSON. Parsing only but faster compile time(2x reduction compared to json.hpp and RapidJson), but not well maintained.
## Builds
[![Build Status](https://travis-ci.org/syoyo/tinygltf.svg?branch=devel)](https://travis-ci.org/syoyo/tinygltf)
[![Build status](https://ci.appveyor.com/api/projects/status/warngenu9wjjhlm8?svg=true)](https://ci.appveyor.com/project/syoyo/tinygltf)
![C/C++ CI](https://github.com/syoyo/tinygltf/workflows/C/C++%20CI/badge.svg)
## Features
Probably mostly feature-complete. Last missing feature is Draco encoding: https://github.com/syoyo/tinygltf/issues/207
* Written in portable C++. C++-11 with STL dependency only.
* [x] macOS + clang(LLVM)
* [x] iOS + clang
* [x] Linux + gcc/clang
* [x] Windows + MinGW
* [x] Windows + Visual Studio 2015 Update 3 or later.
* Visual Studio 2013 is not supported since they have limited C++11 support and failed to compile `json.hpp`.
* [x] Android NDK
* [x] Android + CrystaX(NDK drop-in replacement) GCC
* [x] Web using Emscripten(LLVM)
* Moderate parsing time and memory consumption.
* glTF specification v2.0.0
* [x] ASCII glTF
* [x] Load
* [x] Save
* [x] Binary glTF(GLB)
* [x] Load
* [x] Save(.bin embedded .glb)
* Buffers
* [x] Parse BASE64 encoded embedded buffer data(DataURI).
* [x] Load `.bin` file.
* Image(Using stb_image)
* [x] Parse BASE64 encoded embedded image data(DataURI).
* [x] Load external image file.
* [x] Load PNG(8bit and 16bit)
* [x] Load JPEG(8bit only)
* [x] Load BMP
* [x] Load GIF
* [x] Custom Image decoder callback(e.g. for decoding OpenEXR image)
* Morph traget
* [x] Sparse accessor
* Load glTF from memory
* Custom callback handler
* [x] Image load
* [x] Image save
* Extensions
* [x] Draco mesh decoding
* [ ] Draco mesh encoding
## Note on extension property
In extension(`ExtensionMap`), JSON number value is parsed as int or float(number) and stored as `tinygltf::Value` object. If you want a floating point value from `tinygltf::Value`, use `GetNumberAsDouble()` method.
`IsNumber()` returns true if the underlying value is an int value or a floating point value.
## Examples
* [glview](examples/glview) : Simple glTF geometry viewer.
* [validator](examples/validator) : Simple glTF validator with JSON schema.
* [basic](examples/basic) : Basic glTF viewer with texturing support.
* [build-gltf](examples/build-gltf) : Build simple glTF scene from a scratch.
### WASI/WASM build
Users who want to run TinyGLTF securely and safely(e.g. need to handle malcious glTF file to serve online glTF conver),
I recommend to build TinyGLTF for WASM target.
WASI build example is located in [wasm](wasm) .
## Projects using TinyGLTF
* px_render Single header C++ Libraries for Thread Scheduling, Rendering, and so on... https://github.com/pplux/px
* Physical based rendering with Vulkan using glTF 2.0 models https://github.com/SaschaWillems/Vulkan-glTF-PBR
* GLTF loader plugin for OGRE 2.1. Support for PBR materials via HLMS/PBS https://github.com/Ybalrid/Ogre_glTF
* [TinyGltfImporter](http://doc.magnum.graphics/magnum/classMagnum_1_1Trade_1_1TinyGltfImporter.html) plugin for [Magnum](https://github.com/mosra/magnum), a lightweight and modular C++11/C++14 graphics middleware for games and data visualization.
* [Diligent Engine](https://github.com/DiligentGraphics/DiligentEngine) - A modern cross-platform low-level graphics library and rendering framework
* Lighthouse 2: a rendering framework for real-time ray tracing / path tracing experiments. https://github.com/jbikker/lighthouse2
* [QuickLook GLTF](https://github.com/toshiks/glTF-quicklook) - quicklook plugin for macos. Also SceneKit wrapper for tinygltf.
* [GlslViewer](https://github.com/patriciogonzalezvivo/glslViewer) - live GLSL coding for MacOS and Linux
* [Vulkan-Samples](https://github.com/KhronosGroup/Vulkan-Samples) - The Vulkan Samples is collection of resources to help you develop optimized Vulkan applications.
* [TDME2](https://github.com/andreasdr/tdme2) - TDME2 - ThreeDeeMiniEngine2 is a lightweight 3D engine including tools suited for 3D game development using C++11
* [SanityEngine](https://github.com/DethRaid/SanityEngine) - A C++/D3D12 renderer focused on the personal and professional development of its developer
* [Open3D](http://www.open3d.org/) - A Modern Library for 3D Data Processing
* [Supernova Engine](https://github.com/supernovaengine/supernova) - Game engine for 2D and 3D projects with Lua or C++ in data oriented design.
* [Wicked Engine<img src="https://github.com/turanszkij/WickedEngine/blob/master/Content/logo_small.png" width="28px" align="center"/>](https://github.com/turanszkij/WickedEngine) - 3D engine with modern graphics
* Your projects here! (Please send PR)
## TODOs
* [ ] Robust URI decoding/encoding. https://github.com/syoyo/tinygltf/issues/369
* [ ] Mesh Compression/decompression(Open3DGC, etc)
* [x] Load Draco compressed mesh
* [ ] Save Draco compressed mesh
* [ ] Open3DGC?
* [x] Support `extensions` and `extras` property
* [ ] HDR image?
* [ ] OpenEXR extension through TinyEXR.
* [ ] 16bit PNG support in Serialization
* [ ] Write example and tests for `animation` and `skin`
### Optional
* [ ] Write C++ code generator which emits C++ code from JSON schema for robust parsing?
## Licenses
TinyGLTF is licensed under MIT license.
TinyGLTF uses the following third party libraries.
* json.hpp : Copyright (c) 2013-2017 Niels Lohmann. MIT license.
* base64 : Copyright (C) 2004-2008 René Nyffenegger
* stb_image.h : v2.08 - public domain image loader - [Github link](https://github.com/nothings/stb/blob/master/stb_image.h)
* stb_image_write.h : v1.09 - public domain image writer - [Github link](https://github.com/nothings/stb/blob/master/stb_image_write.h)
## Build and example
Copy `stb_image.h`, `stb_image_write.h`, `json.hpp` and `tiny_gltf.h` to your project.
### Loading glTF 2.0 model
```c++
// Define these only in *one* .cc file.
#define TINYGLTF_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION
// #define TINYGLTF_NOEXCEPTION // optional. disable exception handling.
#include "tiny_gltf.h"
using namespace tinygltf;
Model model;
TinyGLTF loader;
std::string err;
std::string warn;
bool ret = loader.LoadASCIIFromFile(&model, &err, &warn, argv[1]);
//bool ret = loader.LoadBinaryFromFile(&model, &err, &warn, argv[1]); // for binary glTF(.glb)
if (!warn.empty()) {
printf("Warn: %s\n", warn.c_str());
}
if (!err.empty()) {
printf("Err: %s\n", err.c_str());
}
if (!ret) {
printf("Failed to parse glTF\n");
return -1;
}
```
#### Loader options
* `TinyGLTF::SetPreserveimageChannels(bool onoff)`. `true` to preserve image channels as stored in image file for loaded image. `false` by default for backward compatibility(image channels are widen to `RGBA` 4 channels). Effective only when using builtin image loader(STB image loader).
## Compile options
* `TINYGLTF_NOEXCEPTION` : Disable C++ exception in JSON parsing. You can use `-fno-exceptions` or by defining the symbol `JSON_NOEXCEPTION` and `TINYGLTF_NOEXCEPTION` to fully remove C++ exception codes when compiling TinyGLTF.
* `TINYGLTF_NO_STB_IMAGE` : Do not load images with stb_image. Instead use `TinyGLTF::SetImageLoader(LoadimageDataFunction LoadImageData, void *user_data)` to set a callback for loading images.
* `TINYGLTF_NO_STB_IMAGE_WRITE` : Do not write images with stb_image_write. Instead use `TinyGLTF::SetImageWriter(WriteimageDataFunction WriteImageData, void *user_data)` to set a callback for writing images.
* `TINYGLTF_NO_EXTERNAL_IMAGE` : Do not try to load external image file. This option would be helpful if you do not want to load image files during glTF parsing.
* `TINYGLTF_ANDROID_LOAD_FROM_ASSETS`: Load all files from packaged app assets instead of the regular file system. **Note:** You must pass a valid asset manager from your android app to `tinygltf::asset_manager` beforehand.
* `TINYGLTF_ENABLE_DRACO`: Enable Draco compression. User must provide include path and link correspnding libraries in your project file.
* `TINYGLTF_NO_INCLUDE_JSON `: Disable including `json.hpp` from within `tiny_gltf.h` because it has been already included before or you want to include it using custom path before including `tiny_gltf.h`.
* `TINYGLTF_NO_INCLUDE_RAPIDJSON `: Disable including RapidJson's header files from within `tiny_gltf.h` because it has been already included before or you want to include it using custom path before including `tiny_gltf.h`.
* `TINYGLTF_NO_INCLUDE_STB_IMAGE `: Disable including `stb_image.h` from within `tiny_gltf.h` because it has been already included before or you want to include it using custom path before including `tiny_gltf.h`.
* `TINYGLTF_NO_INCLUDE_STB_IMAGE_WRITE `: Disable including `stb_image_write.h` from within `tiny_gltf.h` because it has been already included before or you want to include it using custom path before including `tiny_gltf.h`.
* `TINYGLTF_USE_RAPIDJSON` : Use RapidJSON as a JSON parser/serializer. RapidJSON files are not included in TinyGLTF repo. Please set an include path to RapidJSON if you enable this feature.
* `TINYGLTF_USE_CPP14` : Use C++14 feature(requires C++14 compiler). This may give better performance than C++11.
## CMake options
You can add tinygltf using `add_subdirectory` feature.
If you add tinygltf to your project using `add_subdirectory`, it would be better to set `TINYGLTF_HEADER_ONLY` on(just add an include path to tinygltf) and `TINYGLTF_INSTALL` off(Which does not install tinygltf files).
```
// Your project's CMakeLists.txt
...
set(TINYGLTF_HEADER_ONLY ON CACHE INTERNAL "" FORCE)
set(TINYGLTF_INSTALL OFF CACHE INTERNAL "" FORCE)
add_subdirectory(/path/to/tinygltf)
```
### Saving gltTF 2.0 model
* Buffers.
* [x] To file
* [x] Embedded
* [ ] Draco compressed?
* [x] Images
* [x] To file
* [x] Embedded
* Binary(.glb)
* [x] .bin embedded single .glb
* [ ] External .bin
## Running tests.
### glTF parsing test
#### Setup
Python required.
Git clone https://github.com/KhronosGroup/glTF-Sample-Models to your local dir.
#### Run parsing test
After building `loader_example`, edit `test_runner.py`, then,
```bash
$ python test_runner.py
```
### Unit tests
```bash
$ cd tests
$ make
$ ./tester
$ ./tester_noexcept
```
### Fuzzing tests
See `tests/fuzzer` for details.
After running fuzzer on Ryzen9 3950X a week, at least `LoadASCIIFromString` looks safe except for out-of-memory error in Fuzzer.
We may be better to introduce bounded memory size checking when parsing glTF data.
## Third party licenses
* json.hpp : Licensed under the MIT License <http://opensource.org/licenses/MIT>. Copyright (c) 2013-2017 Niels Lohmann <http://nlohmann.me>.
* stb_image : Public domain.
* catch : Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved. Distributed under the Boost Software License, Version 1.0.
* RapidJSON : Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved. http://rapidjson.org/
* dlib(uridecode, uriencode) : Copyright (C) 2003 Davis E. King Boost Software License 1.0. http://dlib.net/dlib/server/server_http.cpp.html

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@PACKAGE_INIT@
include(${CMAKE_CURRENT_LIST_DIR}/TinyGLTFTargets.cmake)

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//
// TODO(syoyo): Print extensions and extras for each glTF object.
//
#define TINYGLTF_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "tiny_gltf.h"
#include <cstdio>
#include <fstream>
#include <iostream>
static std::string GetFilePathExtension(const std::string &FileName) {
if (FileName.find_last_of(".") != std::string::npos)
return FileName.substr(FileName.find_last_of(".") + 1);
return "";
}
static std::string PrintMode(int mode) {
if (mode == TINYGLTF_MODE_POINTS) {
return "POINTS";
} else if (mode == TINYGLTF_MODE_LINE) {
return "LINE";
} else if (mode == TINYGLTF_MODE_LINE_LOOP) {
return "LINE_LOOP";
} else if (mode == TINYGLTF_MODE_TRIANGLES) {
return "TRIANGLES";
} else if (mode == TINYGLTF_MODE_TRIANGLE_FAN) {
return "TRIANGLE_FAN";
} else if (mode == TINYGLTF_MODE_TRIANGLE_STRIP) {
return "TRIANGLE_STRIP";
}
return "**UNKNOWN**";
}
static std::string PrintTarget(int target) {
if (target == 34962) {
return "GL_ARRAY_BUFFER";
} else if (target == 34963) {
return "GL_ELEMENT_ARRAY_BUFFER";
} else {
return "**UNKNOWN**";
}
}
static std::string PrintType(int ty) {
if (ty == TINYGLTF_TYPE_SCALAR) {
return "SCALAR";
} else if (ty == TINYGLTF_TYPE_VECTOR) {
return "VECTOR";
} else if (ty == TINYGLTF_TYPE_VEC2) {
return "VEC2";
} else if (ty == TINYGLTF_TYPE_VEC3) {
return "VEC3";
} else if (ty == TINYGLTF_TYPE_VEC4) {
return "VEC4";
} else if (ty == TINYGLTF_TYPE_MATRIX) {
return "MATRIX";
} else if (ty == TINYGLTF_TYPE_MAT2) {
return "MAT2";
} else if (ty == TINYGLTF_TYPE_MAT3) {
return "MAT3";
} else if (ty == TINYGLTF_TYPE_MAT4) {
return "MAT4";
}
return "**UNKNOWN**";
}
static std::string PrintComponentType(int ty) {
if (ty == TINYGLTF_COMPONENT_TYPE_BYTE) {
return "BYTE";
} else if (ty == TINYGLTF_COMPONENT_TYPE_UNSIGNED_BYTE) {
return "UNSIGNED_BYTE";
} else if (ty == TINYGLTF_COMPONENT_TYPE_SHORT) {
return "SHORT";
} else if (ty == TINYGLTF_COMPONENT_TYPE_UNSIGNED_SHORT) {
return "UNSIGNED_SHORT";
} else if (ty == TINYGLTF_COMPONENT_TYPE_INT) {
return "INT";
} else if (ty == TINYGLTF_COMPONENT_TYPE_UNSIGNED_INT) {
return "UNSIGNED_INT";
} else if (ty == TINYGLTF_COMPONENT_TYPE_FLOAT) {
return "FLOAT";
} else if (ty == TINYGLTF_COMPONENT_TYPE_DOUBLE) {
return "DOUBLE";
}
return "**UNKNOWN**";
}
#if 0
static std::string PrintParameterType(int ty) {
if (ty == TINYGLTF_PARAMETER_TYPE_BYTE) {
return "BYTE";
} else if (ty == TINYGLTF_PARAMETER_TYPE_UNSIGNED_BYTE) {
return "UNSIGNED_BYTE";
} else if (ty == TINYGLTF_PARAMETER_TYPE_SHORT) {
return "SHORT";
} else if (ty == TINYGLTF_PARAMETER_TYPE_UNSIGNED_SHORT) {
return "UNSIGNED_SHORT";
} else if (ty == TINYGLTF_PARAMETER_TYPE_INT) {
return "INT";
} else if (ty == TINYGLTF_PARAMETER_TYPE_UNSIGNED_INT) {
return "UNSIGNED_INT";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT) {
return "FLOAT";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_VEC2) {
return "FLOAT_VEC2";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_VEC3) {
return "FLOAT_VEC3";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_VEC4) {
return "FLOAT_VEC4";
} else if (ty == TINYGLTF_PARAMETER_TYPE_INT_VEC2) {
return "INT_VEC2";
} else if (ty == TINYGLTF_PARAMETER_TYPE_INT_VEC3) {
return "INT_VEC3";
} else if (ty == TINYGLTF_PARAMETER_TYPE_INT_VEC4) {
return "INT_VEC4";
} else if (ty == TINYGLTF_PARAMETER_TYPE_BOOL) {
return "BOOL";
} else if (ty == TINYGLTF_PARAMETER_TYPE_BOOL_VEC2) {
return "BOOL_VEC2";
} else if (ty == TINYGLTF_PARAMETER_TYPE_BOOL_VEC3) {
return "BOOL_VEC3";
} else if (ty == TINYGLTF_PARAMETER_TYPE_BOOL_VEC4) {
return "BOOL_VEC4";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_MAT2) {
return "FLOAT_MAT2";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_MAT3) {
return "FLOAT_MAT3";
} else if (ty == TINYGLTF_PARAMETER_TYPE_FLOAT_MAT4) {
return "FLOAT_MAT4";
} else if (ty == TINYGLTF_PARAMETER_TYPE_SAMPLER_2D) {
return "SAMPLER_2D";
}
return "**UNKNOWN**";
}
#endif
static std::string PrintWrapMode(int mode) {
if (mode == TINYGLTF_TEXTURE_WRAP_REPEAT) {
return "REPEAT";
} else if (mode == TINYGLTF_TEXTURE_WRAP_CLAMP_TO_EDGE) {
return "CLAMP_TO_EDGE";
} else if (mode == TINYGLTF_TEXTURE_WRAP_MIRRORED_REPEAT) {
return "MIRRORED_REPEAT";
}
return "**UNKNOWN**";
}
static std::string PrintFilterMode(int mode) {
if (mode == TINYGLTF_TEXTURE_FILTER_NEAREST) {
return "NEAREST";
} else if (mode == TINYGLTF_TEXTURE_FILTER_LINEAR) {
return "LINEAR";
} else if (mode == TINYGLTF_TEXTURE_FILTER_NEAREST_MIPMAP_NEAREST) {
return "NEAREST_MIPMAP_NEAREST";
} else if (mode == TINYGLTF_TEXTURE_FILTER_NEAREST_MIPMAP_LINEAR) {
return "NEAREST_MIPMAP_LINEAR";
} else if (mode == TINYGLTF_TEXTURE_FILTER_LINEAR_MIPMAP_NEAREST) {
return "LINEAR_MIPMAP_NEAREST";
} else if (mode == TINYGLTF_TEXTURE_FILTER_LINEAR_MIPMAP_LINEAR) {
return "LINEAR_MIPMAP_LINEAR";
}
return "**UNKNOWN**";
}
static std::string PrintIntArray(const std::vector<int> &arr) {
if (arr.size() == 0) {
return "";
}
std::stringstream ss;
ss << "[ ";
for (size_t i = 0; i < arr.size(); i++) {
ss << arr[i];
if (i != arr.size() - 1) {
ss << ", ";
}
}
ss << " ]";
return ss.str();
}
static std::string PrintFloatArray(const std::vector<double> &arr) {
if (arr.size() == 0) {
return "";
}
std::stringstream ss;
ss << "[ ";
for (size_t i = 0; i < arr.size(); i++) {
ss << arr[i];
if (i != arr.size() - 1) {
ss << ", ";
}
}
ss << " ]";
return ss.str();
}
static std::string Indent(const int indent) {
std::string s;
for (int i = 0; i < indent; i++) {
s += " ";
}
return s;
}
static std::string PrintParameterValue(const tinygltf::Parameter &param) {
if (!param.number_array.empty()) {
return PrintFloatArray(param.number_array);
} else {
return param.string_value;
}
}
#if 0
static std::string PrintParameterMap(const tinygltf::ParameterMap &pmap) {
std::stringstream ss;
ss << pmap.size() << std::endl;
for (auto &kv : pmap) {
ss << kv.first << " : " << PrintParameterValue(kv.second) << std::endl;
}
return ss.str();
}
#endif
static std::string PrintValue(const std::string &name,
const tinygltf::Value &value, const int indent,
const bool tag = true) {
std::stringstream ss;
if (value.IsObject()) {
const tinygltf::Value::Object &o = value.Get<tinygltf::Value::Object>();
tinygltf::Value::Object::const_iterator it(o.begin());
tinygltf::Value::Object::const_iterator itEnd(o.end());
for (; it != itEnd; it++) {
ss << PrintValue(it->first, it->second, indent + 1) << std::endl;
}
} else if (value.IsString()) {
if (tag) {
ss << Indent(indent) << name << " : " << value.Get<std::string>();
} else {
ss << Indent(indent) << value.Get<std::string>() << " ";
}
} else if (value.IsBool()) {
if (tag) {
ss << Indent(indent) << name << " : " << value.Get<bool>();
} else {
ss << Indent(indent) << value.Get<bool>() << " ";
}
} else if (value.IsNumber()) {
if (tag) {
ss << Indent(indent) << name << " : " << value.Get<double>();
} else {
ss << Indent(indent) << value.Get<double>() << " ";
}
} else if (value.IsInt()) {
if (tag) {
ss << Indent(indent) << name << " : " << value.Get<int>();
} else {
ss << Indent(indent) << value.Get<int>() << " ";
}
} else if (value.IsArray()) {
// TODO(syoyo): Better pretty printing of array item
ss << Indent(indent) << name << " [ \n";
for (size_t i = 0; i < value.Size(); i++) {
ss << PrintValue("", value.Get(int(i)), indent + 1, /* tag */ false);
if (i != (value.ArrayLen() - 1)) {
ss << ", \n";
}
}
ss << "\n" << Indent(indent) << "] ";
}
// @todo { binary }
return ss.str();
}
static void DumpNode(const tinygltf::Node &node, int indent) {
std::cout << Indent(indent) << "name : " << node.name << std::endl;
std::cout << Indent(indent) << "camera : " << node.camera << std::endl;
std::cout << Indent(indent) << "mesh : " << node.mesh << std::endl;
if (!node.rotation.empty()) {
std::cout << Indent(indent)
<< "rotation : " << PrintFloatArray(node.rotation)
<< std::endl;
}
if (!node.scale.empty()) {
std::cout << Indent(indent)
<< "scale : " << PrintFloatArray(node.scale) << std::endl;
}
if (!node.translation.empty()) {
std::cout << Indent(indent)
<< "translation : " << PrintFloatArray(node.translation)
<< std::endl;
}
if (!node.matrix.empty()) {
std::cout << Indent(indent)
<< "matrix : " << PrintFloatArray(node.matrix) << std::endl;
}
std::cout << Indent(indent)
<< "children : " << PrintIntArray(node.children) << std::endl;
}
static void DumpStringIntMap(const std::map<std::string, int> &m, int indent) {
std::map<std::string, int>::const_iterator it(m.begin());
std::map<std::string, int>::const_iterator itEnd(m.end());
for (; it != itEnd; it++) {
std::cout << Indent(indent) << it->first << ": " << it->second << std::endl;
}
}
static void DumpExtensions(const tinygltf::ExtensionMap &extension,
const int indent) {
// TODO(syoyo): pritty print Value
for (auto &e : extension) {
std::cout << Indent(indent) << e.first << std::endl;
std::cout << PrintValue("extensions", e.second, indent + 1) << std::endl;
}
}
static void DumpPrimitive(const tinygltf::Primitive &primitive, int indent) {
std::cout << Indent(indent) << "material : " << primitive.material
<< std::endl;
std::cout << Indent(indent) << "indices : " << primitive.indices << std::endl;
std::cout << Indent(indent) << "mode : " << PrintMode(primitive.mode)
<< "(" << primitive.mode << ")" << std::endl;
std::cout << Indent(indent)
<< "attributes(items=" << primitive.attributes.size() << ")"
<< std::endl;
DumpStringIntMap(primitive.attributes, indent + 1);
DumpExtensions(primitive.extensions, indent);
std::cout << Indent(indent) << "extras :" << std::endl
<< PrintValue("extras", primitive.extras, indent + 1) << std::endl;
if (!primitive.extensions_json_string.empty()) {
std::cout << Indent(indent + 1) << "extensions(JSON string) = "
<< primitive.extensions_json_string << "\n";
}
if (!primitive.extras_json_string.empty()) {
std::cout << Indent(indent + 1)
<< "extras(JSON string) = " << primitive.extras_json_string
<< "\n";
}
}
static void DumpTextureInfo(const tinygltf::TextureInfo &texinfo,
const int indent) {
std::cout << Indent(indent) << "index : " << texinfo.index << "\n";
std::cout << Indent(indent) << "texCoord : TEXCOORD_" << texinfo.texCoord
<< "\n";
DumpExtensions(texinfo.extensions, indent + 1);
std::cout << PrintValue("extras", texinfo.extras, indent + 1) << "\n";
if (!texinfo.extensions_json_string.empty()) {
std::cout << Indent(indent)
<< "extensions(JSON string) = " << texinfo.extensions_json_string
<< "\n";
}
if (!texinfo.extras_json_string.empty()) {
std::cout << Indent(indent)
<< "extras(JSON string) = " << texinfo.extras_json_string << "\n";
}
}
static void DumpNormalTextureInfo(const tinygltf::NormalTextureInfo &texinfo,
const int indent) {
std::cout << Indent(indent) << "index : " << texinfo.index << "\n";
std::cout << Indent(indent) << "texCoord : TEXCOORD_" << texinfo.texCoord
<< "\n";
std::cout << Indent(indent) << "scale : " << texinfo.scale << "\n";
DumpExtensions(texinfo.extensions, indent + 1);
std::cout << PrintValue("extras", texinfo.extras, indent + 1) << "\n";
}
static void DumpOcclusionTextureInfo(
const tinygltf::OcclusionTextureInfo &texinfo, const int indent) {
std::cout << Indent(indent) << "index : " << texinfo.index << "\n";
std::cout << Indent(indent) << "texCoord : TEXCOORD_" << texinfo.texCoord
<< "\n";
std::cout << Indent(indent) << "strength : " << texinfo.strength << "\n";
DumpExtensions(texinfo.extensions, indent + 1);
std::cout << PrintValue("extras", texinfo.extras, indent + 1) << "\n";
}
static void DumpPbrMetallicRoughness(const tinygltf::PbrMetallicRoughness &pbr,
const int indent) {
std::cout << Indent(indent)
<< "baseColorFactor : " << PrintFloatArray(pbr.baseColorFactor)
<< "\n";
std::cout << Indent(indent) << "baseColorTexture :\n";
DumpTextureInfo(pbr.baseColorTexture, indent + 1);
std::cout << Indent(indent) << "metallicFactor : " << pbr.metallicFactor
<< "\n";
std::cout << Indent(indent) << "roughnessFactor : " << pbr.roughnessFactor
<< "\n";
std::cout << Indent(indent) << "metallicRoughnessTexture :\n";
DumpTextureInfo(pbr.metallicRoughnessTexture, indent + 1);
DumpExtensions(pbr.extensions, indent + 1);
std::cout << PrintValue("extras", pbr.extras, indent + 1) << "\n";
}
static void Dump(const tinygltf::Model &model) {
std::cout << "=== Dump glTF ===" << std::endl;
std::cout << "asset.copyright : " << model.asset.copyright
<< std::endl;
std::cout << "asset.generator : " << model.asset.generator
<< std::endl;
std::cout << "asset.version : " << model.asset.version
<< std::endl;
std::cout << "asset.minVersion : " << model.asset.minVersion
<< std::endl;
std::cout << std::endl;
std::cout << "=== Dump scene ===" << std::endl;
std::cout << "defaultScene: " << model.defaultScene << std::endl;
{
std::cout << "scenes(items=" << model.scenes.size() << ")" << std::endl;
for (size_t i = 0; i < model.scenes.size(); i++) {
std::cout << Indent(1) << "scene[" << i
<< "] name : " << model.scenes[i].name << std::endl;
DumpExtensions(model.scenes[i].extensions, 1);
}
}
{
std::cout << "meshes(item=" << model.meshes.size() << ")" << std::endl;
for (size_t i = 0; i < model.meshes.size(); i++) {
std::cout << Indent(1) << "name : " << model.meshes[i].name
<< std::endl;
std::cout << Indent(1)
<< "primitives(items=" << model.meshes[i].primitives.size()
<< "): " << std::endl;
for (size_t k = 0; k < model.meshes[i].primitives.size(); k++) {
DumpPrimitive(model.meshes[i].primitives[k], 2);
}
}
}
{
for (size_t i = 0; i < model.accessors.size(); i++) {
const tinygltf::Accessor &accessor = model.accessors[i];
std::cout << Indent(1) << "name : " << accessor.name << std::endl;
std::cout << Indent(2) << "bufferView : " << accessor.bufferView
<< std::endl;
std::cout << Indent(2) << "byteOffset : " << accessor.byteOffset
<< std::endl;
std::cout << Indent(2) << "componentType: "
<< PrintComponentType(accessor.componentType) << "("
<< accessor.componentType << ")" << std::endl;
std::cout << Indent(2) << "count : " << accessor.count
<< std::endl;
std::cout << Indent(2) << "type : " << PrintType(accessor.type)
<< std::endl;
if (!accessor.minValues.empty()) {
std::cout << Indent(2) << "min : [";
for (size_t k = 0; k < accessor.minValues.size(); k++) {
std::cout << accessor.minValues[k]
<< ((k != accessor.minValues.size() - 1) ? ", " : "");
}
std::cout << "]" << std::endl;
}
if (!accessor.maxValues.empty()) {
std::cout << Indent(2) << "max : [";
for (size_t k = 0; k < accessor.maxValues.size(); k++) {
std::cout << accessor.maxValues[k]
<< ((k != accessor.maxValues.size() - 1) ? ", " : "");
}
std::cout << "]" << std::endl;
}
if (accessor.sparse.isSparse) {
std::cout << Indent(2) << "sparse:" << std::endl;
std::cout << Indent(3) << "count : " << accessor.sparse.count
<< std::endl;
std::cout << Indent(3) << "indices: " << std::endl;
std::cout << Indent(4)
<< "bufferView : " << accessor.sparse.indices.bufferView
<< std::endl;
std::cout << Indent(4)
<< "byteOffset : " << accessor.sparse.indices.byteOffset
<< std::endl;
std::cout << Indent(4) << "componentType: "
<< PrintComponentType(accessor.sparse.indices.componentType)
<< "(" << accessor.sparse.indices.componentType << ")"
<< std::endl;
std::cout << Indent(3) << "values : " << std::endl;
std::cout << Indent(4)
<< "bufferView : " << accessor.sparse.values.bufferView
<< std::endl;
std::cout << Indent(4)
<< "byteOffset : " << accessor.sparse.values.byteOffset
<< std::endl;
}
}
}
{
std::cout << "animations(items=" << model.animations.size() << ")"
<< std::endl;
for (size_t i = 0; i < model.animations.size(); i++) {
const tinygltf::Animation &animation = model.animations[i];
std::cout << Indent(1) << "name : " << animation.name
<< std::endl;
std::cout << Indent(1) << "channels : [ " << std::endl;
for (size_t j = 0; j < animation.channels.size(); j++) {
std::cout << Indent(2)
<< "sampler : " << animation.channels[j].sampler
<< std::endl;
std::cout << Indent(2)
<< "target.id : " << animation.channels[j].target_node
<< std::endl;
std::cout << Indent(2)
<< "target.path : " << animation.channels[j].target_path
<< std::endl;
std::cout << ((i != (animation.channels.size() - 1)) ? " , " : "");
}
std::cout << " ]" << std::endl;
std::cout << Indent(1) << "samplers(items=" << animation.samplers.size()
<< ")" << std::endl;
for (size_t j = 0; j < animation.samplers.size(); j++) {
const tinygltf::AnimationSampler &sampler = animation.samplers[j];
std::cout << Indent(2) << "input : " << sampler.input
<< std::endl;
std::cout << Indent(2) << "interpolation : " << sampler.interpolation
<< std::endl;
std::cout << Indent(2) << "output : " << sampler.output
<< std::endl;
}
}
}
{
std::cout << "bufferViews(items=" << model.bufferViews.size() << ")"
<< std::endl;
for (size_t i = 0; i < model.bufferViews.size(); i++) {
const tinygltf::BufferView &bufferView = model.bufferViews[i];
std::cout << Indent(1) << "name : " << bufferView.name
<< std::endl;
std::cout << Indent(2) << "buffer : " << bufferView.buffer
<< std::endl;
std::cout << Indent(2) << "byteLength : " << bufferView.byteLength
<< std::endl;
std::cout << Indent(2) << "byteOffset : " << bufferView.byteOffset
<< std::endl;
std::cout << Indent(2) << "byteStride : " << bufferView.byteStride
<< std::endl;
std::cout << Indent(2)
<< "target : " << PrintTarget(bufferView.target)
<< std::endl;
std::cout << Indent(1) << "-------------------------------------\n";
DumpExtensions(bufferView.extensions, 1);
std::cout << PrintValue("extras", bufferView.extras, 2) << std::endl;
if (!bufferView.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< bufferView.extensions_json_string << "\n";
}
if (!bufferView.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << bufferView.extras_json_string
<< "\n";
}
}
}
{
std::cout << "buffers(items=" << model.buffers.size() << ")" << std::endl;
for (size_t i = 0; i < model.buffers.size(); i++) {
const tinygltf::Buffer &buffer = model.buffers[i];
std::cout << Indent(1) << "name : " << buffer.name << std::endl;
std::cout << Indent(2) << "byteLength : " << buffer.data.size()
<< std::endl;
std::cout << Indent(1) << "-------------------------------------\n";
DumpExtensions(buffer.extensions, 1);
std::cout << PrintValue("extras", buffer.extras, 2) << std::endl;
if (!buffer.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< buffer.extensions_json_string << "\n";
}
if (!buffer.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << buffer.extras_json_string
<< "\n";
}
}
}
{
std::cout << "materials(items=" << model.materials.size() << ")"
<< std::endl;
for (size_t i = 0; i < model.materials.size(); i++) {
const tinygltf::Material &material = model.materials[i];
std::cout << Indent(1) << "name : " << material.name
<< std::endl;
std::cout << Indent(1) << "alphaMode : " << material.alphaMode
<< std::endl;
std::cout << Indent(1)
<< "alphaCutoff : " << material.alphaCutoff
<< std::endl;
std::cout << Indent(1) << "doubleSided : "
<< (material.doubleSided ? "true" : "false") << std::endl;
std::cout << Indent(1) << "emissiveFactor : "
<< PrintFloatArray(material.emissiveFactor) << std::endl;
std::cout << Indent(1) << "pbrMetallicRoughness :\n";
DumpPbrMetallicRoughness(material.pbrMetallicRoughness, 2);
std::cout << Indent(1) << "normalTexture :\n";
DumpNormalTextureInfo(material.normalTexture, 2);
std::cout << Indent(1) << "occlusionTexture :\n";
DumpOcclusionTextureInfo(material.occlusionTexture, 2);
std::cout << Indent(1) << "emissiveTexture :\n";
DumpTextureInfo(material.emissiveTexture, 2);
std::cout << Indent(1) << "---- legacy material parameter ----\n";
std::cout << Indent(1) << "values(items=" << material.values.size() << ")"
<< std::endl;
tinygltf::ParameterMap::const_iterator p(material.values.begin());
tinygltf::ParameterMap::const_iterator pEnd(material.values.end());
for (; p != pEnd; p++) {
std::cout << Indent(2) << p->first << ": "
<< PrintParameterValue(p->second) << std::endl;
}
std::cout << Indent(1) << "-------------------------------------\n";
DumpExtensions(material.extensions, 1);
std::cout << PrintValue("extras", material.extras, 2) << std::endl;
if (!material.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< material.extensions_json_string << "\n";
}
if (!material.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << material.extras_json_string
<< "\n";
}
}
}
{
std::cout << "nodes(items=" << model.nodes.size() << ")" << std::endl;
for (size_t i = 0; i < model.nodes.size(); i++) {
const tinygltf::Node &node = model.nodes[i];
std::cout << Indent(1) << "name : " << node.name << std::endl;
DumpNode(node, 2);
}
}
{
std::cout << "images(items=" << model.images.size() << ")" << std::endl;
for (size_t i = 0; i < model.images.size(); i++) {
const tinygltf::Image &image = model.images[i];
std::cout << Indent(1) << "name : " << image.name << std::endl;
std::cout << Indent(2) << "width : " << image.width << std::endl;
std::cout << Indent(2) << "height : " << image.height << std::endl;
std::cout << Indent(2) << "component : " << image.component << std::endl;
DumpExtensions(image.extensions, 1);
std::cout << PrintValue("extras", image.extras, 2) << std::endl;
if (!image.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< image.extensions_json_string << "\n";
}
if (!image.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << image.extras_json_string
<< "\n";
}
}
}
{
std::cout << "textures(items=" << model.textures.size() << ")" << std::endl;
for (size_t i = 0; i < model.textures.size(); i++) {
const tinygltf::Texture &texture = model.textures[i];
std::cout << Indent(1) << "sampler : " << texture.sampler
<< std::endl;
std::cout << Indent(1) << "source : " << texture.source
<< std::endl;
DumpExtensions(texture.extensions, 1);
std::cout << PrintValue("extras", texture.extras, 2) << std::endl;
if (!texture.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< texture.extensions_json_string << "\n";
}
if (!texture.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << texture.extras_json_string
<< "\n";
}
}
}
{
std::cout << "samplers(items=" << model.samplers.size() << ")" << std::endl;
for (size_t i = 0; i < model.samplers.size(); i++) {
const tinygltf::Sampler &sampler = model.samplers[i];
std::cout << Indent(1) << "name (id) : " << sampler.name << std::endl;
std::cout << Indent(2)
<< "minFilter : " << PrintFilterMode(sampler.minFilter)
<< std::endl;
std::cout << Indent(2)
<< "magFilter : " << PrintFilterMode(sampler.magFilter)
<< std::endl;
std::cout << Indent(2)
<< "wrapS : " << PrintWrapMode(sampler.wrapS)
<< std::endl;
std::cout << Indent(2)
<< "wrapT : " << PrintWrapMode(sampler.wrapT)
<< std::endl;
DumpExtensions(sampler.extensions, 1);
std::cout << PrintValue("extras", sampler.extras, 2) << std::endl;
if (!sampler.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< sampler.extensions_json_string << "\n";
}
if (!sampler.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << sampler.extras_json_string
<< "\n";
}
}
}
{
std::cout << "cameras(items=" << model.cameras.size() << ")" << std::endl;
for (size_t i = 0; i < model.cameras.size(); i++) {
const tinygltf::Camera &camera = model.cameras[i];
std::cout << Indent(1) << "name (id) : " << camera.name << std::endl;
std::cout << Indent(1) << "type : " << camera.type << std::endl;
if (camera.type.compare("perspective") == 0) {
std::cout << Indent(2)
<< "aspectRatio : " << camera.perspective.aspectRatio
<< std::endl;
std::cout << Indent(2) << "yfov : " << camera.perspective.yfov
<< std::endl;
std::cout << Indent(2) << "zfar : " << camera.perspective.zfar
<< std::endl;
std::cout << Indent(2) << "znear : " << camera.perspective.znear
<< std::endl;
} else if (camera.type.compare("orthographic") == 0) {
std::cout << Indent(2) << "xmag : " << camera.orthographic.xmag
<< std::endl;
std::cout << Indent(2) << "ymag : " << camera.orthographic.ymag
<< std::endl;
std::cout << Indent(2) << "zfar : " << camera.orthographic.zfar
<< std::endl;
std::cout << Indent(2)
<< "znear : " << camera.orthographic.znear
<< std::endl;
}
std::cout << Indent(1) << "-------------------------------------\n";
DumpExtensions(camera.extensions, 1);
std::cout << PrintValue("extras", camera.extras, 2) << std::endl;
if (!camera.extensions_json_string.empty()) {
std::cout << Indent(2) << "extensions(JSON string) = "
<< camera.extensions_json_string << "\n";
}
if (!camera.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << camera.extras_json_string
<< "\n";
}
}
}
{
std::cout << "skins(items=" << model.skins.size() << ")" << std::endl;
for (size_t i = 0; i < model.skins.size(); i++) {
const tinygltf::Skin &skin = model.skins[i];
std::cout << Indent(1) << "name : " << skin.name << std::endl;
std::cout << Indent(2)
<< "inverseBindMatrices : " << skin.inverseBindMatrices
<< std::endl;
std::cout << Indent(2) << "skeleton : " << skin.skeleton
<< std::endl;
std::cout << Indent(2)
<< "joints : " << PrintIntArray(skin.joints)
<< std::endl;
std::cout << Indent(1) << "-------------------------------------\n";
DumpExtensions(skin.extensions, 1);
std::cout << PrintValue("extras", skin.extras, 2) << std::endl;
if (!skin.extensions_json_string.empty()) {
std::cout << Indent(2)
<< "extensions(JSON string) = " << skin.extensions_json_string
<< "\n";
}
if (!skin.extras_json_string.empty()) {
std::cout << Indent(2)
<< "extras(JSON string) = " << skin.extras_json_string
<< "\n";
}
}
}
// toplevel extensions
{
std::cout << "extensions(items=" << model.extensions.size() << ")"
<< std::endl;
DumpExtensions(model.extensions, 1);
}
}
int main(int argc, char **argv) {
if (argc < 2) {
printf("Needs input.gltf\n");
exit(1);
}
// Store original JSON string for `extras` and `extensions`
bool store_original_json_for_extras_and_extensions = false;
if (argc > 2) {
store_original_json_for_extras_and_extensions = true;
}
tinygltf::Model model;
tinygltf::TinyGLTF gltf_ctx;
std::string err;
std::string warn;
std::string input_filename(argv[1]);
std::string ext = GetFilePathExtension(input_filename);
gltf_ctx.SetStoreOriginalJSONForExtrasAndExtensions(
store_original_json_for_extras_and_extensions);
bool ret = false;
if (ext.compare("glb") == 0) {
std::cout << "Reading binary glTF" << std::endl;
// assume binary glTF.
ret = gltf_ctx.LoadBinaryFromFile(&model, &err, &warn,
input_filename.c_str());
} else {
std::cout << "Reading ASCII glTF" << std::endl;
// assume ascii glTF.
ret =
gltf_ctx.LoadASCIIFromFile(&model, &err, &warn, input_filename.c_str());
}
if (!warn.empty()) {
printf("Warn: %s\n", warn.c_str());
}
if (!err.empty()) {
printf("Err: %s\n", err.c_str());
}
if (!ret) {
printf("Failed to parse glTF\n");
return -1;
}
Dump(model);
return 0;
}

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#define TINYGLTF_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "tiny_gltf.h"

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