mirror of
https://git.mirrors.martin98.com/https://github.com/syoyo/tinygltf.git
synced 2025-04-20 21:19:55 +08:00
407 lines
14 KiB
C++
407 lines
14 KiB
C++
#define TINYGLTF_LOADER_IMPLEMENTATION
|
|
#define STB_IMAGE_IMPLEMENTATION
|
|
#include "tiny_gltf_loader.h"
|
|
|
|
#include <fstream>
|
|
#include <cstdio>
|
|
#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**";
|
|
}
|
|
|
|
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] << ((i != arr.size() - 1) ? ", " : "");
|
|
}
|
|
ss << " ]";
|
|
|
|
return ss.str();
|
|
}
|
|
|
|
static std::string PrintStringArray(const std::vector<std::string> &arr) {
|
|
if (arr.size() == 0) {
|
|
return "";
|
|
}
|
|
|
|
std::stringstream ss;
|
|
ss << "[ ";
|
|
for (size_t i = 0; i < arr.size(); i++) {
|
|
ss << arr[i] << ((i != arr.size() - 1) ? ", " : "");
|
|
}
|
|
ss << " ]";
|
|
|
|
return ss.str();
|
|
}
|
|
|
|
static std::string Indent(int indent) {
|
|
std::string s;
|
|
for (int i = 0; i < indent; i++) {
|
|
s += " ";
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
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;
|
|
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)
|
|
<< "meshes : " << PrintStringArray(node.meshes) << std::endl;
|
|
|
|
std::cout << Indent(indent)
|
|
<< "children : " << PrintStringArray(node.children) << 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;
|
|
std::map<std::string, std::string>::const_iterator it(
|
|
primitive.attributes.begin());
|
|
std::map<std::string, std::string>::const_iterator itEnd(
|
|
primitive.attributes.end());
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(indent + 1) << it->first << ": " << it->second
|
|
<< std::endl;
|
|
}
|
|
}
|
|
|
|
static void Dump(const tinygltf::Scene &scene) {
|
|
std::cout << "=== Dump glTF ===" << std::endl;
|
|
std::cout << "asset.generator : " << scene.asset.generator
|
|
<< std::endl;
|
|
std::cout << "asset.premultipliedAlpha : " << scene.asset.premultipliedAlpha
|
|
<< std::endl;
|
|
std::cout << "asset.version : " << scene.asset.version
|
|
<< std::endl;
|
|
std::cout << "asset.profile.api : " << scene.asset.profile_api
|
|
<< std::endl;
|
|
std::cout << "asset.profile.version : " << scene.asset.profile_version
|
|
<< std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "=== Dump scene ===" << std::endl;
|
|
std::cout << "defaultScene: " << scene.defaultScene << std::endl;
|
|
|
|
{
|
|
std::map<std::string, std::vector<std::string> >::const_iterator it(
|
|
scene.scenes.begin());
|
|
std::map<std::string, std::vector<std::string> >::const_iterator itEnd(
|
|
scene.scenes.end());
|
|
std::cout << "scenes(items=" << scene.scenes.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(2) << "nodes : [ ";
|
|
for (size_t i = 0; i < it->second.size(); i++) {
|
|
std::cout << it->second[i]
|
|
<< ((i != (it->second.size() - 1)) ? ", " : "");
|
|
}
|
|
std::cout << " ] " << std::endl;
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Mesh>::const_iterator it(scene.meshes.begin());
|
|
std::map<std::string, tinygltf::Mesh>::const_iterator itEnd(scene.meshes.end());
|
|
std::cout << "meshes(item=" << scene.meshes.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->second.name << std::endl;
|
|
std::cout << Indent(1)
|
|
<< "primitives(items=" << it->second.primitives.size()
|
|
<< "): " << std::endl;
|
|
|
|
for (size_t i = 0; i < it->second.primitives.size(); i++) {
|
|
DumpPrimitive(it->second.primitives[i], 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Accessor>::const_iterator it(scene.accessors.begin());
|
|
std::map<std::string, tinygltf::Accessor>::const_iterator itEnd(
|
|
scene.accessors.end());
|
|
std::cout << "accessos(items=" << scene.accessors.size() << ")"
|
|
<< std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(2) << "bufferView : " << it->second.bufferView
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "byteOffset : " << it->second.byteOffset
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "byteStride : " << it->second.byteStride
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "componentType: "
|
|
<< PrintComponentType(it->second.componentType) << "("
|
|
<< it->second.componentType << ")" << std::endl;
|
|
std::cout << Indent(2) << "count : " << it->second.count
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "type : " << PrintType(it->second.type)
|
|
<< std::endl;
|
|
if (!it->second.minValues.empty()) {
|
|
std::cout << Indent(2) << "min : [";
|
|
for (size_t i = 0; i < it->second.minValues.size(); i++) {
|
|
std::cout << it->second.minValues[i]
|
|
<< ((i != it->second.minValues.size() - 1) ? ", " : "");
|
|
}
|
|
std::cout << "]" << std::endl;
|
|
}
|
|
if (!it->second.maxValues.empty()) {
|
|
std::cout << Indent(2) << "max : [";
|
|
for (size_t i = 0; i < it->second.maxValues.size(); i++) {
|
|
std::cout << it->second.maxValues[i]
|
|
<< ((i != it->second.maxValues.size() - 1) ? ", " : "");
|
|
}
|
|
std::cout << "]" << std::endl;
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::BufferView>::const_iterator it(
|
|
scene.bufferViews.begin());
|
|
std::map<std::string, tinygltf::BufferView>::const_iterator itEnd(
|
|
scene.bufferViews.end());
|
|
std::cout << "bufferViews(items=" << scene.bufferViews.size() << ")"
|
|
<< std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(2) << "buffer : " << it->second.buffer
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "byteLength : " << it->second.byteLength
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "byteOffset : " << it->second.byteOffset
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "target : " << PrintTarget(it->second.target)
|
|
<< std::endl;
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Buffer>::const_iterator it(scene.buffers.begin());
|
|
std::map<std::string, tinygltf::Buffer>::const_iterator itEnd(scene.buffers.end());
|
|
std::cout << "buffers(items=" << scene.buffers.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(2) << "byteLength : " << it->second.data.size()
|
|
<< std::endl;
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Material>::const_iterator it(scene.materials.begin());
|
|
std::map<std::string, tinygltf::Material>::const_iterator itEnd(
|
|
scene.materials.end());
|
|
std::cout << "materials(items=" << scene.materials.size() << ")"
|
|
<< std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(1) << "technique : " << it->second.technique
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "values(items=" << it->second.values.size()
|
|
<< std::endl;
|
|
|
|
tinygltf::ParameterMap::const_iterator p(it->second.values.begin());
|
|
tinygltf::ParameterMap::const_iterator pEnd(it->second.values.end());
|
|
for (; p != pEnd; p++) {
|
|
if (!p->second.number_array.empty()) {
|
|
std::cout << Indent(3) << p->first
|
|
<< PrintFloatArray(p->second.number_array) << std::endl;
|
|
}
|
|
if (!p->second.string_value.empty()) {
|
|
std::cout << Indent(3) << p->first << " : " << p->second.string_value
|
|
<< std::endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Node>::const_iterator it(scene.nodes.begin());
|
|
std::map<std::string, tinygltf::Node>::const_iterator itEnd(scene.nodes.end());
|
|
std::cout << "nodes(items=" << scene.nodes.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
|
|
DumpNode(it->second, 2);
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Image>::const_iterator it(scene.images.begin());
|
|
std::map<std::string, tinygltf::Image>::const_iterator itEnd(scene.images.end());
|
|
std::cout << "images(items=" << scene.images.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
|
|
std::cout << Indent(2) << "width : " << it->second.width << std::endl;
|
|
std::cout << Indent(2) << "height : " << it->second.height
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "component : " << it->second.component
|
|
<< std::endl;
|
|
std::cout << Indent(2) << "name : " << it->second.name << std::endl;
|
|
}
|
|
}
|
|
|
|
{
|
|
std::map<std::string, tinygltf::Texture>::const_iterator it(scene.textures.begin());
|
|
std::map<std::string, tinygltf::Texture>::const_iterator itEnd(scene.textures.end());
|
|
std::cout << "textures(items=" << scene.textures.size() << ")" << std::endl;
|
|
for (; it != itEnd; it++) {
|
|
std::cout << Indent(1) << "name : " << it->first << std::endl;
|
|
std::cout << Indent(1) << "format : " << it->second.format
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "internalFormat : " << it->second.internalFormat
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "sampler : " << it->second.sampler
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "source : " << it->second.source
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "target : " << it->second.target
|
|
<< std::endl;
|
|
std::cout << Indent(1) << "type : " << it->second.type
|
|
<< std::endl;
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
if (argc < 2) {
|
|
printf("Needs input.gltf\n");
|
|
exit(1);
|
|
}
|
|
|
|
tinygltf::Scene scene;
|
|
tinygltf::TinyGLTFLoader loader;
|
|
std::string err;
|
|
std::string input_filename(argv[1]);
|
|
std::string ext = GetFilePathExtension(input_filename);
|
|
|
|
bool ret = false;
|
|
if (ext.compare("glb") == 0) {
|
|
// assume binary glTF.
|
|
ret = loader.LoadBinaryFromFile(&scene, &err, input_filename.c_str());
|
|
} else {
|
|
// assume ascii glTF.
|
|
ret = loader.LoadASCIIFromFile(&scene, &err, input_filename.c_str());
|
|
}
|
|
|
|
if (!err.empty()) {
|
|
printf("Err: %s\n", err.c_str());
|
|
}
|
|
|
|
if (!ret) {
|
|
printf("Failed to parse glTF\n");
|
|
return -1;
|
|
}
|
|
|
|
Dump(scene);
|
|
|
|
return 0;
|
|
}
|