1 files changed, 37 insertions, 0 deletions
diff --git a/NorthstarDLL/tier0.cpp b/NorthstarDLL/tier0.cpp
new file mode 100644
index 00000000..a34aaea5
--- /dev/null
+++ b/NorthstarDLL/tier0.cpp
@@ -0,0 +1,37 @@
+#include "pch.h"
+#include "tier0.h"
+
+// use the Tier0 namespace for tier0 funcs
+namespace Tier0
+{
+	IMemAlloc* g_pMemAllocSingleton;
+
+	ErrorType Error;
+	CommandLineType CommandLine;
+	Plat_FloatTimeType Plat_FloatTime;
+	ThreadInServerFrameThreadType ThreadInServerFrameThread;
+} // namespace Tier0
+
+typedef Tier0::IMemAlloc* (*CreateGlobalMemAllocType)();
+CreateGlobalMemAllocType CreateGlobalMemAlloc;
+
+// needs to be a seperate function, since memalloc.cpp calls it
+void TryCreateGlobalMemAlloc()
+{
+	// init memalloc stuff
+	CreateGlobalMemAlloc = reinterpret_cast<CreateGlobalMemAllocType>(GetProcAddress(GetModuleHandleA("tier0.dll"), "CreateGlobalMemAlloc"));
+	Tier0::g_pMemAllocSingleton = CreateGlobalMemAlloc(); // if it already exists, this returns the preexisting IMemAlloc instance
+}
+
+ON_DLL_LOAD("tier0.dll", Tier0GameFuncs, [](HMODULE baseAddress)
+{
+	// shouldn't be necessary, but do this just in case
+	TryCreateGlobalMemAlloc();
+
+	// setup tier0 funcs
+	Tier0::Error = reinterpret_cast<Tier0::ErrorType>(GetProcAddress(baseAddress, "Error"));
+	Tier0::CommandLine = reinterpret_cast<Tier0::CommandLineType>(GetProcAddress(baseAddress, "CommandLine"));
+	Tier0::Plat_FloatTime = reinterpret_cast<Tier0::Plat_FloatTimeType>(GetProcAddress(baseAddress, "Plat_FloatTime"));
+	Tier0::ThreadInServerFrameThread =
+		reinterpret_cast<Tier0::ThreadInServerFrameThreadType>(GetProcAddress(baseAddress, "ThreadInServerFrameThread"));
+})
+\ No newline at end of file