From b9efa02c80b54e044326771bbffdddf206daef2e Mon Sep 17 00:00:00 2001
From: tycho <tycho@localhost>
Date: Thu, 14 May 2015 15:47:51 +0100
Subject: Initial implementation of IniFile overloading

---
 src/main.cpp | 42 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 35 insertions(+), 7 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 1c34b8f61..d37ff0b32 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,6 +2,7 @@
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
 #include "Root.h"
+#include "tclap/CmdLine.h"
 
 #include <exception>
 #include <csignal>
@@ -14,7 +15,7 @@
 #include "OSSupport/NetworkSingleton.h"
 #include "BuildInfo.h"
 
-
+#include "MemorySettingsRepository.h"
 
 
 
@@ -206,7 +207,7 @@ BOOL CtrlHandler(DWORD fdwCtrlType)
 ////////////////////////////////////////////////////////////////////////////////
 // universalMain - Main startup logic for both standard running and as a service
 
-void universalMain()
+void universalMain(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 {
 	#ifdef _WIN32
 	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE))
@@ -226,7 +227,7 @@ void universalMain()
 	#endif
 	{
 		cRoot Root;
-		Root.Start();
+		Root.Start(std::move(overridesRepo));
 	}
 	#if !defined(ANDROID_NDK)
 	catch (std::exception & e)
@@ -363,14 +364,39 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
 
 
 
+std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
+{
+	try
+	{
+		TCLAP::CmdLine cmd("MCServer");
+
+		TCLAP::ValueArg<int> slotsArg("s", "max-players", "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
+
+		cmd.parse(argc, argv);
+		
+		int slots = slotsArg.getValue();
+
+		auto repo = make_unique<cMemorySettingsRepository>();
+
+		repo->SetValueI("Server", "MaxPlayers", slots);
+
+		repo->SetReadOnly();
+
+		return repo;
+	}
+	catch (TCLAP::ArgException &e)
+	{
+		printf("error reading command line %s for arg %s", e.error().c_str(), e.argId().c_str());
+		return nullptr;
+	}
+}
+
 
 ////////////////////////////////////////////////////////////////////////////////
 // main:
 
-int main( int argc, char **argv)
+int main(int argc, char **argv)
 {
-	UNUSED(argc);
-	UNUSED(argv);
 	
 	#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
 	InitLeakFinder();
@@ -425,6 +451,8 @@ int main( int argc, char **argv)
 	// DEBUG: test the dumpfile creation:
 	// *((int *)0) = 0;
 	
+	auto argsRepo = parseArguments(argc, argv);
+	
 	// Check if comm logging is to be enabled:
 	for (int i = 0; i < argc; i++)
 	{
@@ -483,7 +511,7 @@ int main( int argc, char **argv)
 	#endif
 	{
 		// Not running as a service, do normal startup
-		universalMain();
+		universalMain(std::move(argsRepo));
 	}
 
 	#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
-- 
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