Files
UnrealEngineUWP/Engine/Source/Editor/BlueprintGraph/Private/K2Node_SetVariableOnPersistentFrame.cpp
Ben Marsh 149375b14b Update copyright notices to 2015.
[CL 2379638 by Ben Marsh in Main branch]
2014-12-07 19:09:38 -05:00

95 lines
3.3 KiB
C++

// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
#include "BlueprintGraphPrivatePCH.h"
#include "K2Node_SetVariableOnPersistentFrame.h"
#include "KismetCompiler.h"
#define LOCTEXT_NAMESPACE "K2Node_SetVariableOnPersistentFrame"
class FKCHandler_SetVariableOnPersistentFrame : public FNodeHandlingFunctor
{
public:
FKCHandler_SetVariableOnPersistentFrame(FKismetCompilerContext& InCompilerContext)
: FNodeHandlingFunctor(InCompilerContext)
{}
virtual void RegisterNets(FKismetFunctionContext& Context, UEdGraphNode* Node) override
{
check(Node && CompilerContext.GetSchema());
for (auto Pin : Node->Pins)
{
if (!Pin || CompilerContext.GetSchema()->IsMetaPin(*Pin))
{
continue;
}
if ((Pin->Direction != EGPD_Input) || (1 != Pin->LinkedTo.Num()) || Context.bIsUbergraph || !Context.NewClass || !Context.NewClass->UberGraphFunction)
{
CompilerContext.MessageLog.Error(*LOCTEXT("SetVariableOnPersistentFrame_IceError", "ICE SetVariableOnPersistentFrame @@").ToString(), Pin);
return;
}
UProperty* BoundProperty = FKismetCompilerUtilities::FindPropertyInScope(Context.NewClass->UberGraphFunction, Pin, CompilerContext.MessageLog, CompilerContext.GetSchema(), Context.NewClass);
if (!BoundProperty || (BoundProperty->GetOuter() != Context.NewClass->UberGraphFunction))
{
CompilerContext.MessageLog.Error(*LOCTEXT("SetVariableOnPersistentFrame_IceErrorNoProperty", "ICE SetVariableOnPersistentFrame - No property found. @@").ToString(), Pin);
return;
}
// Create the term in the list
FBPTerminal* Term = new (Context.PersistentFrameVariableReferences)FBPTerminal();
Term->CopyFromPin(Pin, Pin->PinName);
Term->AssociatedVarProperty = BoundProperty;
Context.NetMap.Add(Pin, Term);
}
}
virtual void Compile(FKismetFunctionContext& Context, UEdGraphNode* Node) override
{
check(Node && CompilerContext.GetSchema());
for (auto Pin : Node->Pins)
{
if (!Pin || CompilerContext.GetSchema()->IsMetaPin(*Pin))
{
continue;
}
FBPTerminal** DestTerm = Context.NetMap.Find(Pin);
FBPTerminal** SourceTerm = Context.NetMap.Find(FEdGraphUtilities::GetNetFromPin(Pin));
if (DestTerm && *DestTerm && SourceTerm && *SourceTerm)
{
FBlueprintCompiledStatement& Statement = Context.AppendStatementForNode(Node);
Statement.Type = KCST_AssignmentOnPersistentFrame;
Statement.LHS = *DestTerm;
Statement.RHS.Add(*SourceTerm);
}
else
{
CompilerContext.MessageLog.Error(*LOCTEXT("SetVariableOnPersistentFrame_NoTerm", "ICE SetVariableOnPersistentFrame - No terminal found. @@").ToString(), Pin);
return;
}
}
// Generate the output impulse from this node
GenerateSimpleThenGoto(Context, *Node);
}
};
void UK2Node_SetVariableOnPersistentFrame::AllocateDefaultPins()
{
const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
CreatePin(EGPD_Input, K2Schema->PC_Exec, TEXT(""), NULL, false, false, K2Schema->PN_Execute);
CreatePin(EGPD_Output, K2Schema->PC_Exec, TEXT(""), NULL, false, false, K2Schema->PN_Then);
Super::AllocateDefaultPins();
}
FNodeHandlingFunctor* UK2Node_SetVariableOnPersistentFrame::CreateNodeHandler(FKismetCompilerContext& CompilerContext) const
{
return new FKCHandler_SetVariableOnPersistentFrame(CompilerContext);
}
#undef LOCTEXT_NAMESPACE