Added script_local implemented by gir489.

Added sanity checks to premake to see if the user did a proper recursive pull, and to warn them if they didn't.

BigBaseV2/src/script_local.cpp

@@ -0,0 +1,31 @@
+#include "common.hpp"
+#include "pointers.hpp"
+#include "script_local.hpp"
+#include "gta\script_thread.hpp"
+
+namespace big
+{
+	script_local::script_local(rage::scrThread* thread, std::size_t index) :
+		m_index(index), m_stack(thread->m_stack)
+	{
+	}
+	script_local::script_local(PVOID stack, std::size_t index) :
+		m_index(index), m_stack(stack)
+	{
+	}
+
+	script_local script_local::at(std::ptrdiff_t index)
+	{
+		return script_local(m_stack, m_index + index);
+	}
+
+	script_local script_local::at(std::ptrdiff_t index, std::size_t size)
+	{
+		return script_local(m_stack, m_index + 1 + (index * size));
+	}
+
+	void *script_local::get()
+	{
+		return reinterpret_cast<uintptr_t*>((uintptr_t)m_stack + (m_index * sizeof(uintptr_t)));
+	}
+}

BigBaseV2/src/script_local.hpp

@@ -0,0 +1,31 @@
+#pragma once
+#include "common.hpp"
+
+namespace big
+{
+	class script_local
+	{
+	public:
+		explicit script_local(rage::scrThread* thread, std::size_t index);
+		explicit script_local(PVOID stack, std::size_t index);
+
+		script_local at(std::ptrdiff_t index);
+		script_local at(std::ptrdiff_t index, std::size_t size);
+
+		template <typename T>
+		std::enable_if_t<std::is_pointer_v<T>, T> as()
+		{
+			return static_cast<T>(get());
+		}
+
+		template <typename T>
+		std::enable_if_t<std::is_lvalue_reference_v<T>, T> as()
+		{
+			return *static_cast<std::add_pointer_t<std::remove_reference_t<T>>>(get());
+		}
+	private:
+		void *get();
+		std::size_t m_index;
+		PVOID m_stack;
+	};
+}