refactor!: Replace premake5 with CMake. (#551)

Co-authored-by: tupoy-ya <tupoy-ya@users.noreply.github.com>

src/gta/tls_context.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#include <intrin.h>
+#include "fwddec.hpp"
+
+namespace rage
+{
+	class tlsContext
+	{
+	public:
+		char m_padding1[0xC8]; // 0x00
+		sysMemAllocator* m_allocator; // 0xC8
+		char m_padding2[0x778]; // 0xD0
+		scrThread* m_script_thread; // 0x848
+		bool m_is_script_thread_active; // 0x850
+
+		static tlsContext* get()
+		{
+			return *reinterpret_cast<tlsContext**>(__readgsqword(0x58));
+		}
+	};
+	static_assert(sizeof(tlsContext) == 0x858);
+}