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Save/Load Collada 1.4 Root Asset Metadata

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Add Collada 1.4 <asset/> metadata to export and import.
Can store in the Scene or the Root Node for export, will be loaded into the Scene during Import
This commit is contained in:
RichardTea
2019-04-09 16:28:15 +01:00
parent 49459435df
commit 1f55bdd9a7
4 changed files with 128 additions and 20 deletions
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83
code/ColladaParser.cpp
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@@ -267,24 +267,16 @@ void ColladaParser::ReadAssetInfo()
}
else if(IsElement("contributor"))
{
// This has no data of its own, will get children next time through
ReadContributorInfo();
}
else
{
const char* metadata_key = mReader->getNodeName();
const char* metadata_value = TestTextContent();
if (metadata_key != nullptr && metadata_value != nullptr)
{
aiString aistr;
aistr.Set(metadata_value);
mAssetMetaData.emplace(metadata_key, aistr);
}
//SkipElement();
ReadMetaDataItem(mAssetMetaData);
}
}
else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
{
if( strcmp( mReader->getNodeName(), "asset") != 0)
if (strcmp( mReader->getNodeName(), "asset") != 0)
ThrowException( "Expected end of <asset> element.");
break;
@@ -292,6 +284,75 @@ void ColladaParser::ReadAssetInfo()
}
}
// ------------------------------------------------------------------------------------------------
// Reads the contributor info
void ColladaParser::ReadContributorInfo()
{
if (mReader->isEmptyElement())
return;
while (mReader->read())
{
if (mReader->getNodeType() == irr::io::EXN_ELEMENT)
{
ReadMetaDataItem(mAssetMetaData);
}
else if (mReader->getNodeType() == irr::io::EXN_ELEMENT_END)
{
if (strcmp(mReader->getNodeName(), "contributor") != 0)
ThrowException("Expected end of <contributor> element.");
break;
}
}
}
// ------------------------------------------------------------------------------------------------
// Reads a single string metadata item
void ColladaParser::ReadMetaDataItem(StringMetaData &metadata)
{
// Metadata such as created, keywords, subject etc
const char* key_char = mReader->getNodeName();
if (key_char != nullptr)
{
const std::string key_str(key_char);
const char* value_char = TestTextContent();
if (value_char != nullptr)
{
std::string camel_key_str = key_str;
ToCamelCase(camel_key_str);
aiString aistr;
aistr.Set(value_char);
metadata.emplace(camel_key_str, aistr);
TestClosing(key_str.c_str());
}
else
SkipElement();
}
else
SkipElement();
}
// ------------------------------------------------------------------------------------------------
// Convert underscore_seperated to CamelCase: "authoring_tool" becomes "AuthoringTool"
void ColladaParser::ToCamelCase(std::string &text)
{
if (text.empty())
return;
// Capitalise first character
text[0] = ToUpper(text[0]);
for (auto it = text.begin(); it != text.end(); /*iterated below*/)
{
if ((*it) == '_')
{
it = text.erase(it);
if (it != text.end())
(*it) = ToUpper(*it);
}
else
++it;
}
}
// ------------------------------------------------------------------------------------------------
// Reads the animation clips
void ColladaParser::ReadAnimationClipLibrary()