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byteOffset in Accessor and BufferViews are optional;

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This commit is contained in:
Syoyo Fujita 2017-05-30 00:47:37 +09:00
parent d17ff66b3d
commit 90e1ed21bc
1 changed files with 37 additions and 24 deletions
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61
tiny_gltf_loader.h
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@ -1143,12 +1143,16 @@ static bool ParseBooleanProperty(bool *ret, std::string *err,
static bool ParseNumberProperty(double *ret, std::string *err,
const picojson::object &o,
const std::string &property, bool required) {
const std::string &property, const bool required, const std::string &parent_node = "") {
picojson::object::const_iterator it = o.find(property);
if (it == o.end()) {
if (required) {
if (err) {
(*err) += "'" + property + "' property is missing.\n";
(*err) += "'" + property + "' property is missing";
if (!parent_node.empty()) {
(*err) += " in " + parent_node;
}
(*err) += ".\n";
}
}
return false;
@ -1173,12 +1177,17 @@ static bool ParseNumberProperty(double *ret, std::string *err,
static bool ParseNumberArrayProperty(std::vector<double> *ret, std::string *err,
const picojson::object &o,
const std::string &property,
bool required) {
bool required,
const std::string &parent_node = "") {
picojson::object::const_iterator it = o.find(property);
if (it == o.end()) {
if (required) {
if (err) {
(*err) += "'" + property + "' property is missing.\n";
(*err) += "'" + property + "' property is missing";
if (!parent_node.empty()) {
(*err) += " in " + parent_node;
}
(*err) += ".\n";
}
}
return false;
@ -1187,7 +1196,11 @@ static bool ParseNumberArrayProperty(std::vector<double> *ret, std::string *err,
if (!it->second.is<picojson::array>()) {
if (required) {
if (err) {
(*err) += "'" + property + "' property is not an array.\n";
(*err) += "'" + property + "' property is not an array";
if (!parent_node.empty()) {
(*err) += " in " + parent_node;
}
(*err) += ".\n";
}
}
return false;
@ -1200,6 +1213,10 @@ static bool ParseNumberArrayProperty(std::vector<double> *ret, std::string *err,
if (required) {
if (err) {
(*err) += "'" + property + "' property is not a number.\n";
if (!parent_node.empty()) {
(*err) += " in " + parent_node;
}
(*err) += ".\n";
}
}
return false;
@ -1622,17 +1639,15 @@ static bool ParseBuffer(Buffer *buffer, std::string *err,
static bool ParseBufferView(BufferView *bufferView, std::string *err,
const picojson::object &o) {
double buffer = -1.0;
if (!ParseNumberProperty(&buffer, err, o, "buffer", true)) {
if (!ParseNumberProperty(&buffer, err, o, "buffer", true, "BufferView")) {
return false;
}
double byteOffset = 0.0;
if (!ParseNumberProperty(&byteOffset, err, o, "byteOffset", false)) {
return false;
}
ParseNumberProperty(&byteOffset, err, o, "byteOffset", false);
double byteLength = 1.0;
if(!ParseNumberProperty(&byteLength, err, o, "byteLength", true)) {
if(!ParseNumberProperty(&byteLength, err, o, "byteLength", true, "BufferView")) {
return false;
}
@ -1663,27 +1678,25 @@ static bool ParseBufferView(BufferView *bufferView, std::string *err,
static bool ParseAccessor(Accessor *accessor, std::string *err,
const picojson::object &o) {
double bufferView = -1.0;
if (!ParseNumberProperty(&bufferView, err, o, "bufferView", true)) {
if (!ParseNumberProperty(&bufferView, err, o, "bufferView", true, "Accessor")) {
return false;
}
double byteOffset = 0.0;
if (!ParseNumberProperty(&byteOffset, err, o, "byteOffset", true)) {
return false;
}
ParseNumberProperty(&byteOffset, err, o, "byteOffset", false, "Accessor");
double componentType = 0.0;
if (!ParseNumberProperty(&componentType, err, o, "componentType", true)) {
if (!ParseNumberProperty(&componentType, err, o, "componentType", true, "Accessor")) {
return false;
}
double count = 0.0;
if (!ParseNumberProperty(&count, err, o, "count", true)) {
if (!ParseNumberProperty(&count, err, o, "count", true, "Accessor")) {
return false;
}
std::string type;
if (!ParseStringProperty(&type, err, o, "type", true)) {
if (!ParseStringProperty(&type, err, o, "type", true, "Accessor")) {
return false;
}
@ -1717,11 +1730,11 @@ static bool ParseAccessor(Accessor *accessor, std::string *err,
accessor->minValues.clear();
accessor->maxValues.clear();
if(!ParseNumberArrayProperty(&accessor->minValues, err, o, "min", true)) {
if(!ParseNumberArrayProperty(&accessor->minValues, err, o, "min", true, "Accessor")) {
return false;
}
if(!ParseNumberArrayProperty(&accessor->maxValues, err, o, "max", true)) {
if(!ParseNumberArrayProperty(&accessor->maxValues, err, o, "max", true, "Accessor")) {
return false;
}
@ -2103,21 +2116,21 @@ static bool ParseSampler(Sampler *sampler, std::string *err,
static bool ParseSkin(Skin *skin, std::string *err,
const picojson::object &o) {
ParseStringProperty(&skin->name, err, o, "name", false);
ParseStringProperty(&skin->name, err, o, "name", false, "Skin");
std::vector<double> joints;
if (!ParseNumberArrayProperty(&joints, err, o, "joints", false)) {
if (!ParseNumberArrayProperty(&joints, err, o, "joints", false, "Skin")) {
return false;
}
double skeleton;
ParseNumberProperty(&skeleton, err, o, "skeleton", false);
ParseNumberProperty(&skeleton, err, o, "skeleton", false, "Skin");
skin->skeleton = static_cast<int>(skeleton);
skin->joints = std::vector<int>(joints.begin(), joints.end());
double invBind = -1.0;
ParseNumberProperty(&invBind, err, o, "inverseBindMatrices", true);
ParseNumberProperty(&invBind, err, o, "inverseBindMatrices", true, "Skin");
skin->inverseBindMatrices = static_cast<int>(invBind);
return true;
@ -2132,7 +2145,7 @@ bool TinyGLTFLoader::LoadFromString(Model *model, std::string *err,
if (!perr.empty()) {
if (err) {
(*err) = perr;
(*err) = "JSON parsing error: " + perr;
}
return false;
}