// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.

using UnrealBuildTool;
using System.Collections.Generic;

public class UnrealHeaderToolTarget : TargetRules
{
	public UnrealHeaderToolTarget(TargetInfo Target)
	{
		Type = TargetType.Program;
		AdditionalPlugins.Add("ScriptGeneratorPlugin");
	}

	//
	// TargetRules interface.
	//

	public override void SetupBinaries(
		TargetInfo Target,
		ref List<UEBuildBinaryConfiguration> OutBuildBinaryConfigurations,
		ref List<string> OutExtraModuleNames
		)
	{
		OutBuildBinaryConfigurations.Add(
			new UEBuildBinaryConfiguration(	InType: UEBuildBinaryType.Executable,
											InModuleNames: new List<string>() { "UnrealHeaderTool" } )
			);
	}

	public override bool ShouldCompileMonolithic(UnrealTargetPlatform InPlatform, UnrealTargetConfiguration InConfiguration)
	{
		if (UnrealBuildTool.UnrealBuildTool.CommandLineContains("-monolithic") == true)
		{
			return true;
		}
		// Don't build monolithic because we want plugin support
		return false;
	}

	public override void SetupGlobalEnvironment(
		TargetInfo Target,
		ref LinkEnvironmentConfiguration OutLinkEnvironmentConfiguration,
		ref CPPEnvironmentConfiguration OutCPPEnvironmentConfiguration
		)
	{
		// Lean and mean
		UEBuildConfiguration.bCompileLeanAndMeanUE = true;

		// Never use malloc profiling in Unreal Header Tool.  We set this because often UHT is compiled right before the engine
		// automatically by Unreal Build Tool, but if bUseMallocProfiler is defined, UHT can operate incorrectly.
		BuildConfiguration.bUseMallocProfiler = false;

		// No editor needed
		UEBuildConfiguration.bBuildEditor = false;
		// Editor-only data, however, is needed
		UEBuildConfiguration.bBuildWithEditorOnlyData = true;

		// Currently this app is not linking against the engine, so we'll compile out references from Core to the rest of the engine
		UEBuildConfiguration.bCompileAgainstEngine = false;

		// Force execption handling across all modules.
		UEBuildConfiguration.bForceEnableExceptions = true;

		// Plugin support
		UEBuildConfiguration.bCompileWithPluginSupport = true;
		UEBuildConfiguration.bBuildDeveloperTools = true;

		// UnrealHeaderTool is a console application, not a Windows app (sets entry point to main(), instead of WinMain())
		OutLinkEnvironmentConfiguration.bIsBuildingConsoleApplication = true;

		OutCPPEnvironmentConfiguration.Definitions.Add("HACK_HEADER_GENERATOR=1");
	}
}