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Modify the property-assign command to optionally copy a value from

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another property (suggested by Jim Wilson).
This commit is contained in:
david 2002-12-31 03:05:38 +00:00
parent 7cc894be4b
commit ea6448c956
1 changed files with 9 additions and 25 deletions
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34
src/Main/fg_commands.cxx
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@ -382,38 +382,22 @@ do_property_toggle (const SGPropertyNode * arg)
* Built-in command: assign a value to a property.
*
* property: the name of the property to assign.
* value: the value to assign.
* value: the value to assign; or
* property[1]: the property to copy from.
*/
static bool
do_property_assign (const SGPropertyNode * arg)
{
SGPropertyNode * prop = get_prop(arg);
const SGPropertyNode * prop2 = get_prop2(arg);
const SGPropertyNode * value = arg->getNode("value");
switch (prop->getType()) {
case SGPropertyNode::BOOL:
return prop->setBoolValue(value->getBoolValue());
case SGPropertyNode::INT:
return prop->setIntValue(value->getIntValue());
case SGPropertyNode::LONG:
return prop->setLongValue(value->getLongValue());
case SGPropertyNode::FLOAT:
return prop->setFloatValue(value->getFloatValue());
case SGPropertyNode::DOUBLE:
return prop->setDoubleValue(value->getDoubleValue());
case SGPropertyNode::STRING:
return prop->setStringValue(value->getStringValue());
default:
return prop->setUnspecifiedValue(value->getStringValue());
}
if (value != 0)
return prop->setUnspecifiedValue(value->getStringValue());
else if (prop2)
return prop->setUnspecifiedValue(prop2->getStringValue());
else
return false;
}