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Basic Instanced State Mechanics #72

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Basic Instanced State Mechanics #72

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37 changes: 37 additions & 0 deletions Source/LuaMachine/Private/LuaBlueprintFunctionLibrary.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2033,3 +2033,40 @@ ULuaState* ULuaBlueprintFunctionLibrary::CreateDynamicLuaState(UObject* WorldCon

return NewLuaState->GetLuaState(WorldContextObject->GetWorld());
}
FLuaValue ULuaBlueprintFunctionLibrary::LuaStateRunFile(UObject* WorldContextObject, ULuaState* State, const FString& Filename, const bool bIgnoreNonExistent)
{
FLuaValue ReturnValue;

if (!State->RunFile(Filename, bIgnoreNonExistent, 1))
{
if (State->bLogError)
State->LogError(State->LastError);
State->ReceiveLuaError(State->LastError);
}
else
{
ReturnValue = State->ToLuaValue(-1);
}

State->Pop();
return ReturnValue;
}
FLuaValue ULuaBlueprintFunctionLibrary::LuaStateGlobalCall(UObject* WorldContextObject, ULuaState* State, const FString& Name, TArray<FLuaValue> Args)
{
FLuaValue ReturnValue;
int32 ItemsToPop = State->GetFieldFromTree(Name);

int NArgs = 0;
for (FLuaValue& Arg : Args)
{
State->FromLuaValue(Arg);
NArgs++;
}

State->PCall(NArgs, ReturnValue);

// we have the return value and the function has been removed, so we do not need to change ItemsToPop
State->Pop(ItemsToPop);

return ReturnValue;
}
5 changes: 5 additions & 0 deletions Source/LuaMachine/Public/LuaBlueprintFunctionLibrary.h
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Expand Up @@ -430,6 +430,11 @@ class LUAMACHINE_API ULuaBlueprintFunctionLibrary : public UBlueprintFunctionLib
UFUNCTION(BlueprintCallable, meta = (WorldContext = "WorldContextObject"), Category = "Lua")
static ULuaState* CreateDynamicLuaState(UObject* WorldContextObject, TSubclassOf<ULuaState> LuaStateClass);

UFUNCTION(BlueprintCallable, meta = (WorldContext = "WorldContextObject", AutoCreateRefTerm = "Args"), Category = "Lua")
static FLuaValue LuaStateGlobalCall(UObject* WorldContextObject, ULuaState* State, const FString& Name, TArray<FLuaValue> Args);

UFUNCTION(BlueprintCallable, meta = (WorldContext = "WorldContextObject"), Category = "Lua")
static FLuaValue LuaStateRunFile(UObject* WorldContextObject, ULuaState* State, const FString& Filename, const bool bIgnoreNonExistent);
private:
static void HttpRequestDone(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful, TSubclassOf<ULuaState> LuaState, TWeakObjectPtr<UWorld> World, const FString SecurityHeader, const FString SignaturePublicExponent, const FString SignatureModulus, FLuaHttpSuccess Completed);
static void HttpGenericRequestDone(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful, TWeakPtr<FLuaSmartReference> Context, FLuaHttpResponseReceived ResponseReceived, FLuaHttpError Error);
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