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/** * Class description * * Copyright 2006 Epic Games, Inc. All Rights Reserved */ class Test0022_StructMemberAccess extends TestClassBase; #linenumber 7 struct InnerStruct { var int InnerStructInt; }; struct OuterStruct { var float OuterStruct_Float; var InnerStruct OuterStruct_NestedStruct; }; struct ExtendedOuterStruct extends OuterStruct { var array<InnerStruct> OuterStruct_StructArray; }; struct CtorStruct { var string CtorStruct_String; }; var OuterStruct m_OuterStruct; var ExtendedOuterStruct m_DerivedOuterStruct; var CtorStruct m_CtorStruct; var array<InnerStruct> m_StructArray; var const InnerStruct m_ConstStruct; var delegate<ReturnStructDelegate> m_StructDelegateProp; var delegate<ReturnStructDelegate> m_ConstStructDelegateProp; delegate OuterStruct ReturnStructDelegate() { } // demonstrates simple member access for a struct that does not contain any properties requiring construction function SimpleStructAccess_NonCtorTest() { local float ValueFloat; local int ValueInt; // test normal r-value access ValueFloat = m_OuterStruct.OuterStruct_Float; // test normal l-value access m_OuterStruct.OuterStruct_Float = ValueFloat; // test nested r-value access ValueInt = m_OuterStruct.OuterStruct_NestedStruct.InnerStructInt; // test nested l-value access m_OuterStruct.OuterStruct_NestedStruct.InnerStructInt = ValueInt; // test normal r-value access through const member struct ValueInt = m_ConstStruct.InnerStructInt; } // demonstrates simple member access for a struct that contains properties requiring construction function SimpleStructAccess_CtorTest() { local string ValueString; // test normal r-value access ValueString = m_CtorStruct.CtorStruct_String; // test normal l-value access m_CtorStruct.CtorStruct_String = ValueString; } // demonstrates member access through array element function ArrayStructAccessTest() { local int ArrayInt; // test r-value access through array element ArrayInt = m_StructArray[0].InnerStructInt; // test l-value access through array element m_StructArray[0].InnerStructInt = ArrayInt; // test nested r-value access through array element ArrayInt = m_DerivedOuterStruct.OuterStruct_StructArray[0].InnerStructInt; // test nested l-value access through array element m_DerivedOuterStruct.OuterStruct_StructArray[0].InnerStructInt = ArrayInt; } // demonstrates member access through struct return value function ReturnValueAccessTest() { local OuterStruct LocalStruct; local float LocalFloat; // test without member access LocalStruct = ReturnMemberStruct(); // test simple member access through return value LocalFloat = ReturnMemberStruct().OuterStruct_Float; // test simple member access through return value from inline struct member access LocalFloat = ReturnInlineStruct().X; // to avoid script compiler warnings. m_OuterStruct = LocalStruct; m_OuterStruct.OuterStruct_Float = LocalFloat; } function DelegateReturnValueAccessTest() { local InnerStruct LocalStruct; m_StructDelegateProp = ReturnMemberStruct; LocalStruct = m_StructDelegateProp().OuterStruct_NestedStruct; LocalStruct = m_ConstStructDelegateProp().OuterStruct_NestedStruct; // avoid the compiler warning LogInternal(LocalStruct.InnerStructInt); } // demonstrates member access through literal struct function InlineStructAccessTest() { local float VectorX; VectorX = vect(100,200,300).X; m_OuterStruct.OuterStruct_Float = VectorX; } // returns a member struct private function OuterStruct ReturnMemberStruct() { return m_OuterStruct; } // returns an inline struct private function vector ReturnInlineStruct() { return vect(1000,2000,3000); } // verifies that accessing a struct member through an out-of-bounds array element does not expand the array. function TestInvalidArrayExpansion() { LogInternal(Name$"::"$GetFuncName()@"BEFORE:"@"m_StructArray.Length:'"$m_StructArray.Length$"'"); m_StructArray[3].InnerStructInt = 5; LogInternal(Name$"::"$GetFuncName()@"AFTER:"@"m_StructArray.Length:'"$m_StructArray.Length$"'"); } defaultproperties { m_OuterStruct=(OuterStruct_Float=50.000000,OuterStruct_NestedStruct=(InnerStructInt=1000)) m_DerivedOuterStruct=(OuterStruct_StructArray=((InnerStructInt=1),(InnerStructInt=2)),OuterStruct_Float=100.000000,OuterStruct_NestedStruct=(InnerStructInt=2000)) m_CtorStruct=(CtorStruct_String="DefaultValue") m_StructArray(0)=(InnerStructInt=10) m_StructArray(1)=(InnerStructInt=20) m_ConstStruct=(InnerStructInt=100) m_ConstStructDelegateProp=Default__Test0022_StructMemberAccess.ReturnMemberStruct Name="Default__Test0022_StructMemberAccess" ObjectArchetype=TestClassBase'UnrealScriptTest.Default__TestClassBase' } |
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