private function convertArithmeticExpression(TES4Expression $expression, TES5CodeScope $codeScope, TES5GlobalScope $globalScope, TES5MultipleScriptsScope $multipleScriptsScope)
{
$sets = [[$expression->getLeftValue(), $expression->getRightValue()], [$expression->getRightValue(), $expression->getLeftValue()]];
/**
* Scenario 1 - Special functions converted on expression level
* @var TES4Value[] $set
*/
foreach ($sets as $set) {
if (!$set[0] instanceof TES4Callable) {
continue;
}
$function = $set[0]->getFunction();
switch (strtolower($function->getFunctionCall()->getFunctionName())) {
case "getweaponanimtype":
$calledOn = $this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope);
$leftValue = $this->createObjectCall($this->createObjectCall($calledOn, "GetEquippedWeapon", $multipleScriptsScope), "GetWeaponType", $multipleScriptsScope);
switch ((int) $set[1]->getData()) {
case 0:
$targetedWeaponTypes = [0];
break;
case 1:
$targetedWeaponTypes = [1, 2, 3, 4];
break;
case 2:
$targetedWeaponTypes = [5, 6, 8];
break;
case 3:
$targetedWeaponTypes = [7, 9];
break;
default:
throw new ConversionException("GetWeaponAnimType() - Unknown weapon type in expression");
}
$expressions = [];
foreach ($targetedWeaponTypes as $targetedWeaponType) {
$expressions[] = $this->expressionFactory->createArithmeticExpression($leftValue, TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), new TES5Integer($targetedWeaponType));
}
$resultExpression = $expressions[0];
unset($expressions[0]);
while (!empty($expressions)) {
$resultExpression = $this->expressionFactory->createLogicalExpression($resultExpression, TES5LogicalExpressionOperator::OPERATOR_OR(), array_pop($expressions));
}
return $resultExpression;
case "getdetected":
$inversedArgument = new TES5ObjectCallArguments();
$inversedArgument->add($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope));
$leftValue = $this->createObjectCall($this->createReadReference($function->getArguments()->getValue(0)->getData(), $globalScope, $multipleScriptsScope, $codeScope->getLocalScope()), "isDetectedBy", $multipleScriptsScope, $inversedArgument);
$rightValue = new TES5Integer((int) $set[1]->getData() == 0 ? 0 : 1);
$expression = $this->expressionFactory->createArithmeticExpression($leftValue, TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), $rightValue);
return $expression;
case "getdetectionlevel":
if (!$set[1]->hasFixedValue()) {
throw new ConversionException("Cannot convert getDetectionLevel calls with dynamic comparision");
}
$boolean = new TES5Bool($set[1]->getData() == 3);
//true only if the compared value was 3
$inversedArgument = new TES5ObjectCallArguments();
$inversedArgument->add($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope));
$expression = $this->expressionFactory->createArithmeticExpression($this->createObjectCall($this->createReadReference($function->getArguments()->getValue(0)->getData(), $globalScope, $multipleScriptsScope, $codeScope->getLocalScope()), "isDetectedBy", $multipleScriptsScope, $inversedArgument), TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), $boolean);
return $expression;
case "getcurrentaiprocedure":
if (!$set[1]->hasFixedValue()) {
throw new ConversionException("Cannot convert getCurrentAIProcedure() calls with dynamic comparision");
}
switch ((int) $set[1]->getData()) {
case 4:
//ref.getSleepState() == 3
$expression = $this->expressionFactory->createArithmeticExpression($this->createObjectCall($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope), "IsInDialogueWithPlayer", $multipleScriptsScope), TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), new TES5Bool((bool) $expression->getOperator() == TES4ArithmeticExpressionOperator::OPERATOR_EQUAL()));
return $expression;
case 8:
//ref.getSleepState() == 3
$expression = $this->expressionFactory->createArithmeticExpression($this->createObjectCall($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope), "getSleepState", $multipleScriptsScope), TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), new TES5Integer(3));
return $expression;
case 13:
//ref.getSleepState() == 3
$expression = $this->expressionFactory->createArithmeticExpression($this->createObjectCall($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope), "IsInCombat", $multipleScriptsScope), TES5ArithmeticExpressionOperator::OPERATOR_EQUAL(), new TES5Bool((bool) $expression->getOperator() == TES4ArithmeticExpressionOperator::OPERATOR_EQUAL()));
return $expression;
case 0:
case 7:
case 15:
case 17:
//@INCONSISTENCE Wander.. idk how to check it tbh. We return always true. Think about better representation
return new TES5Bool((bool) $expression->getOperator() == TES4ArithmeticExpressionOperator::OPERATOR_EQUAL());
default:
throw new ConversionException("Cannot convert GetCurrentAiProcedure - unknown TES4 procedure number arg " . (int) $set[1]->getData());
}
break;
case "isidleplaying":
case "getknockedstate":
case "gettalkedtopc":
return new TES5Bool(true);
//This is so unimportant that i think it's not worth to find a good alternative and waste time.
case "getsitting":
//WARNING: Needs to implement Horse sittings, too.
//SEE: http://www.gameskyrim.com/papyrus-isridinghorse-function-t255012.html
switch ((int) $set[1]->getData()) {
case 0:
$goTo = 0;
break;
case 1:
case 2:
case 11:
case 12:
$goTo = 2;
break;
case 3:
case 13:
$goTo = 3;
break;
case 4:
case 14:
$goTo = 4;
break;
default:
throw new ConversionException("GetSitting - unknown state found");
}
//ref.getSleepState() == 3
$expression = $this->expressionFactory->createArithmeticExpression($this->createObjectCall($this->createCalledOnReferenceOfCalledFunction($set[0], $codeScope, $globalScope, $multipleScriptsScope), "GetSitState", $multipleScriptsScope), TES5ArithmeticExpressionOperator::memberByValue($expression->getOperator()->value()), new TES5Integer($goTo));
return $expression;
}
}
$leftValue = $this->createValue($expression->getLeftValue(), $codeScope, $globalScope, $multipleScriptsScope);
$rightValue = $this->createValue($expression->getRightValue(), $codeScope, $globalScope, $multipleScriptsScope);
$tes5sets = [[$leftValue, $rightValue], [$rightValue, $leftValue]];
$objectReferenceType = TES5BasicType::T_FORM();
//used just to make sure.
$operator = TES5ArithmeticExpressionOperator::memberByValueWithDefault($expression->getOperator()->value(), null);
/**
* @var TES5Value[] $tes5set
* Scenario 2: Comparision of ObjectReferences to integers ( quick formid check )
*/
foreach ($tes5sets as $tes5set) {
if ($tes5set[0]->getType() == $objectReferenceType || TES5InheritanceGraphAnalyzer::isExtending($tes5set[0]->getType(), $objectReferenceType)) {
if ($tes5set[1]->getType() == TES5BasicType::T_INT()) {
$tes5set[0] = $this->createObjectCall($tes5set[0], "GetFormID", $multipleScriptsScope);
return $this->expressionFactory->createArithmeticExpression($tes5set[0], $operator, $tes5set[1]);
}
} else {
if ($tes5set[0]->getType() == TES5TypeFactory::void()) {
if ($tes5set[1] instanceof TES5Integer || $tes5set[1] instanceof TES5Float) {
if ($tes5set[1]->getValue() == 0) {
return $this->expressionFactory->createArithmeticExpression($tes5set[0], $operator, new TES5None());
}
}
}
}
}
return $this->expressionFactory->createArithmeticExpression($leftValue, $operator, $rightValue);
}
