// <DEFINENAME> [ ":" <PARAMNAME> ]
private void readDefine(String statement) throws IOException {
String[] split = statement.split(":");
if (split.length == 1) {
// add preset define
technique.addShaderPresetDefine(split[0].trim(), VarType.Boolean, true);
} else if (split.length == 2) {
technique.addShaderParamDefine(split[1].trim(), split[0].trim());
} else {
throw new IOException("Define syntax incorrect");
}
}
