private ITES5Value ConvertExpression(ITES4BinaryExpression expression, TES5CodeScope codeScope, TES5GlobalScope globalScope, TES5MultipleScriptsScope multipleScriptsScope) { TES5ComparisonExpressionOperator?ceOp = TES5ComparisonExpressionOperator.GetFirstOrNull(expression.Operator.Name); if (ceOp != null) { return(this.ConvertComparisonExpression(expression, codeScope, globalScope, multipleScriptsScope)); } TES5LogicalExpressionOperator?leOp = TES5LogicalExpressionOperator.GetFirstOrNull(expression.Operator.Name); if (leOp != null) { return(TES5ExpressionFactory.CreateLogicalExpression(this.CreateValue(expression.LeftValue, codeScope, globalScope, multipleScriptsScope), leOp, this.CreateValue(expression.RightValue, codeScope, globalScope, multipleScriptsScope))); } TES5ArithmeticExpressionOperator?aeOp = TES5ArithmeticExpressionOperator.GetFirstOrNull(expression.Operator.Name); if (aeOp != null) { return(TES5ExpressionFactory.CreateArithmeticExpression(this.CreateValue(expression.LeftValue, codeScope, globalScope, multipleScriptsScope), aeOp, this.CreateValue(expression.RightValue, codeScope, globalScope, multipleScriptsScope))); } throw new ConversionException("Unknown expression op: " + expression.Operator.Name); }
private ITES5Value ConvertComparisonExpression(ITES4BinaryExpression expression, TES5CodeScope codeScope, TES5GlobalScope globalScope, TES5MultipleScriptsScope multipleScriptsScope) { Tuple <ITES4Value, ITES4Value>[] sets = new Tuple <ITES4Value, ITES4Value>[] { new Tuple <ITES4Value, ITES4Value>(expression.LeftValue, expression.RightValue), new Tuple <ITES4Value, ITES4Value>(expression.RightValue, expression.LeftValue) }; /* * Scenario 1 - Special functions converted on expression level */ foreach (Tuple <ITES4Value, ITES4Value> set in sets) { ITES4Callable setItem1Callable = set.Item1 as ITES4Callable; if (setItem1Callable == null) { continue; } TES4Function function = setItem1Callable.Function; switch (function.FunctionCall.FunctionName.ToLower()) { case "getweaponanimtype": { ITES5Referencer calledOn = this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope); TES5ObjectCall equippedWeaponLeftValue = this.objectCallFactory.CreateObjectCall(this.objectCallFactory.CreateObjectCall(calledOn, "GetEquippedWeapon", multipleScriptsScope), "GetWeaponType", multipleScriptsScope); int[] targetedWeaponTypes; switch ((int)set.Item2.Data) { case 0: { targetedWeaponTypes = new int[] { 0 }; break; } case 1: { targetedWeaponTypes = new int[] { 1, 2, 3, 4 }; break; } case 2: { targetedWeaponTypes = new int[] { 5, 6, 8 }; break; } case 3: { targetedWeaponTypes = new int[] { 7, 9 }; break; } default: { throw new ConversionException("GetWeaponAnimType() - Unknown weapon type in expression"); } } List <TES5ComparisonExpression> expressions = new List <TES5ComparisonExpression>(); foreach (var targetedWeaponType in targetedWeaponTypes) { expressions.Add(TES5ExpressionFactory.CreateComparisonExpression(equippedWeaponLeftValue, TES5ComparisonExpressionOperator.OPERATOR_EQUAL, new TES5Integer(targetedWeaponType))); } ITES5Expression resultExpression = expressions[0]; expressions.RemoveAt(0); while (expressions.Any()) { resultExpression = TES5ExpressionFactory.CreateLogicalExpression(resultExpression, TES5LogicalExpressionOperator.OPERATOR_OR, expressions.Last()); expressions.RemoveAt(expressions.Count - 1); } return(resultExpression); } case "getdetected": { TES5ObjectCallArguments inversedArgument = new TES5ObjectCallArguments() { this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope) }; TES5ObjectCall getDetectedLeftValue = this.objectCallFactory.CreateObjectCall(this.referenceFactory.CreateReadReference(function.Arguments[0].StringValue, globalScope, multipleScriptsScope, codeScope.LocalScope), "isDetectedBy", multipleScriptsScope, inversedArgument); TES5Integer getDetectedRightValue = new TES5Integer(((int)set.Item2.Data == 0) ? 0 : 1); return(TES5ExpressionFactory.CreateComparisonExpression(getDetectedLeftValue, TES5ComparisonExpressionOperator.OPERATOR_EQUAL, getDetectedRightValue)); } case "getdetectionlevel": { if (!set.Item2.HasFixedValue) { throw new ConversionException("Cannot convert getDetectionLevel calls with dynamic comparision"); } TES5Bool tes5Bool = new TES5Bool(((int)set.Item2.Data) == 3); //true only if the compared value was 3 TES5ObjectCallArguments inversedArgument = new TES5ObjectCallArguments() { this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope) }; return(TES5ExpressionFactory.CreateComparisonExpression ( this.objectCallFactory.CreateObjectCall(this.referenceFactory.CreateReadReference(function.Arguments[0].StringValue, globalScope, multipleScriptsScope, codeScope.LocalScope), "isDetectedBy", multipleScriptsScope, inversedArgument), TES5ComparisonExpressionOperator.OPERATOR_EQUAL, tes5Bool )); } case "getcurrentaiprocedure": { if (!set.Item2.HasFixedValue) { throw new ConversionException("Cannot convert getCurrentAIProcedure() calls with dynamic comparision"); } switch ((int)set.Item2.Data) { case 4: { //ref.getSleepState() == 3 return(TES5ExpressionFactory.CreateComparisonExpression( this.objectCallFactory.CreateObjectCall(this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope), "IsInDialogueWithPlayer", multipleScriptsScope), TES5ComparisonExpressionOperator.OPERATOR_EQUAL, new TES5Bool(expression.Operator == TES4ComparisonExpressionOperator.OPERATOR_EQUAL) //cast to true if the original op was ==, false otherwise. )); } case 8: { //ref.getSleepState() == 3 return(TES5ExpressionFactory.CreateComparisonExpression( this.objectCallFactory.CreateObjectCall(this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope), "getSleepState", multipleScriptsScope), TES5ComparisonExpressionOperator.OPERATOR_EQUAL, new TES5Integer(3) //SLEEPSTATE_SLEEP )); } case 13: { //ref.getSleepState() == 3 return(TES5ExpressionFactory.CreateComparisonExpression( this.objectCallFactory.CreateObjectCall(this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope), "IsInCombat", multipleScriptsScope), TES5ComparisonExpressionOperator.OPERATOR_EQUAL, new TES5Bool(expression.Operator == TES4ComparisonExpressionOperator.OPERATOR_EQUAL) //cast to true if the original op was ==, false otherwise. )); } case 0: //Travel case 7: //Wander case 15: //Pursue case 17: //Done { //@INCONSISTENCE idk how to check it tbh. We return always true. Think about better representation return(new TES5Bool(expression.Operator == TES4ComparisonExpressionOperator.OPERATOR_EQUAL)); } default: { throw new ConversionException("Cannot convert GetCurrentAiProcedure - unknown TES4 procedure number arg " + ((int)set.Item2.Data).ToString()); } } } 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 int goTo; switch ((int)set.Item2.Data) { 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 return(TES5ExpressionFactory.CreateComparisonExpression ( this.objectCallFactory.CreateObjectCall(this.CreateCalledOnReferenceOfCalledFunction(setItem1Callable, codeScope, globalScope, multipleScriptsScope), "GetSitState", multipleScriptsScope), TES5ComparisonExpressionOperator.GetFirst(expression.Operator.Name), new TES5Integer(goTo) )); } } } ITES5Value leftValue = this.CreateValue(expression.LeftValue, codeScope, globalScope, multipleScriptsScope); ITES5Value rightValue = this.CreateValue(expression.RightValue, codeScope, globalScope, multipleScriptsScope); Tuple <ITES5Value, ITES5Value>[] tes5sets = new Tuple <ITES5Value, ITES5Value>[] { new Tuple <ITES5Value, ITES5Value>(leftValue, rightValue), new Tuple <ITES5Value, ITES5Value>(rightValue, leftValue) }; TES5BasicType objectReferenceType = TES5BasicType.T_FORM; //used just to make sure. TES5ComparisonExpressionOperator op = TES5ComparisonExpressionOperator.GetFirstOrNull(expression.Operator.Name); /* * Scenario 2: Comparision of ObjectReferences to integers ( quick formid check ) */ bool flipOperator = false; foreach (var tes5set in tes5sets) { TES5ComparisonExpressionOperator newOp = !flipOperator ? op : op.Flip(); if (TES5InheritanceGraphAnalyzer.IsTypeOrExtendsType(tes5set.Item1.TES5Type, objectReferenceType) || TES5InheritanceGraphAnalyzer.IsTypeOrExtendsType(tes5set.Item1.TES5Type.NativeType, objectReferenceType)) { if (tes5set.Item2.TES5Type == TES5BasicType.T_INT) { //Perhaps we should allow to try to cast upwards for primitives, .asPrimitive() or similar //In case we do know at compile time that we"re comparing against zero, then we can assume //we can compare against None, which allows us not call GetFormID() on most probably None object TES5Integer tes5SetItem2Integer = (TES5Integer)tes5set.Item2; if (tes5SetItem2Integer.IntValue == 0) { newOp = op == TES5ComparisonExpressionOperator.OPERATOR_EQUAL ? op : TES5ComparisonExpressionOperator.OPERATOR_NOT_EQUAL; return(TES5ExpressionFactory.CreateComparisonExpression(tes5set.Item1, newOp, new TES5None())); } else { ITES5Referencer callable = (ITES5Referencer)tes5set.Item1; TES5ObjectCall tes5setNewItem1 = this.objectCallFactory.CreateObjectCall(callable, "GetFormID", multipleScriptsScope); return(TES5ExpressionFactory.CreateComparisonExpression(tes5setNewItem1, newOp, tes5set.Item2)); } } } else if (tes5set.Item1.TES5Type.OriginalName == TES5TypeFactory.Void().OriginalName) { #if PHP_COMPAT TES5IntegerOrFloat tes5SetItem2Number = tes5set.Item2 as TES5IntegerOrFloat; if (tes5SetItem2Number != null && tes5SetItem2Number.ConvertedIntValue == 0) { return(TES5ExpressionFactory.createArithmeticExpression(tes5set.Item1, newOp, new TES5None())); } #else throw new ConversionException("Type was void.");//This shouldn't happen anymore. #endif } if (!TES5InheritanceGraphAnalyzer.IsTypeOrExtendsTypeOrIsNumberType(tes5set.Item1.TES5Type, tes5set.Item2.TES5Type)) {//WTM: Change: Added entire if branch if (tes5set.Item1.TES5Type.NativeType == TES5BasicType.T_QUEST && tes5set.Item2.TES5Type == TES5BasicType.T_INT) { TES5ObjectCall getStage = this.objectCallFactory.CreateObjectCall((ITES5Referencer)tes5set.Item1, "GetStage", multipleScriptsScope); return(TES5ExpressionFactory.CreateComparisonExpression(getStage, newOp, tes5set.Item2)); } if (tes5set.Item1.TES5Type == TES5BasicType.T_BOOL && tes5set.Item2.TES5Type == TES5BasicType.T_INT) { int item2Value = ((TES5Integer)tes5set.Item2).IntValue; if (item2Value != 0 && item2Value != 1) { throw new ConversionException("Unexpected Value: " + item2Value.ToString()); } ITES5Value newItem2 = new TES5Bool(item2Value == 1); newOp = op == TES5ComparisonExpressionOperator.OPERATOR_EQUAL ? op : TES5ComparisonExpressionOperator.OPERATOR_NOT_EQUAL; return(TES5ExpressionFactory.CreateComparisonExpression(tes5set.Item1, newOp, newItem2)); } throw new ConversionException("Type could not be converted."); } flipOperator = true; } return(TES5ExpressionFactory.CreateComparisonExpression(leftValue, op, rightValue)); }