/**
* find the definiton from this statement (loads it if necessary)
*
* @param statement the statement being read
* @return the definition
* @throws IOException
*/
public ShaderNodeDefinition findDefinition(Statement statement) throws IOException {
String defLine[] = statement.getLine().split(":");
String defName = defLine[1].trim();
ShaderNodeDefinition def = getNodeDefinitions().get(defName);
if (def == null) {
if (defLine.length == 3) {
List<ShaderNodeDefinition> defs = null;
try {
defs = assetManager.loadAsset(new ShaderNodeDefinitionKey(defLine[2].trim()));
} catch (AssetNotFoundException e) {
throw new MatParseException("Couldn't find " + defLine[2].trim(), statement, e);
}
for (ShaderNodeDefinition definition : defs) {
definition.setPath(defLine[2].trim());
if (defName.equals(definition.getName())) {
def = definition;
}
if (!(getNodeDefinitions().containsKey(definition.getName()))) {
getNodeDefinitions().put(definition.getName(), definition);
}
}
}
if (def == null) {
throw new MatParseException(
defName + " is not a declared as Shader Node Definition", statement);
}
}
return def;
}
