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ColladaParser: Tolerate empty data arrays and controller weights.

pull/12/head
Tor Andersson 2012-03-16 12:02:53 +01:00
parent c40b767016
commit 771d804c46
1 changed files with 4 additions and 3 deletions
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7
code/ColladaParser.cpp
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@ -599,7 +599,7 @@ void ColladaParser::ReadControllerWeights( Collada::Controller& pController)
if( mReader->getNodeType() == irr::io::EXN_ELEMENT)
{
// Input channels for weight data. Two possible semantics: "JOINT" and "WEIGHT"
if( IsElement( "input"))
if( IsElement( "input") && vertexCount > 0 )
{
InputChannel channel;
@ -628,7 +628,7 @@ void ColladaParser::ReadControllerWeights( Collada::Controller& pController)
if( !mReader->isEmptyElement())
SkipElement();
}
else if( IsElement( "vcount"))
else if( IsElement( "vcount") && vertexCount > 0 )
{
// read weight count per vertex
const char* text = GetTextContent();
@ -648,7 +648,7 @@ void ColladaParser::ReadControllerWeights( Collada::Controller& pController)
// reserve weight count
pController.mWeights.resize( numWeights);
}
else if( IsElement( "v"))
else if( IsElement( "v") && vertexCount > 0 )
{
// read JointIndex - WeightIndex pairs
const char* text = GetTextContent();
@ -1656,6 +1656,7 @@ void ColladaParser::ReadDataArray()
std::string id = mReader->getAttributeValue( indexID);
int indexCount = GetAttribute( "count");
unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( indexCount);
if (count == 0) { return; } // some exporters write empty data arrays with count="0"
const char* content = TestTextContent();
// read values and store inside an array in the data library