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#pragma once

#include <windows.h>
#include <cstdint>
#include <vector>

using ByteArray = std::vector<uint8_t>;

namespace RemoteCode
{
	// Used for TransactionStart
	using ImportedModule = char[64];
	using ImportList = std::vector<ImportedModule>;

	// Used for TransactionContinue
	struct ExportedFunction
	{
		// I've never seen modules / functions with names
		// that were larger than 64 characters.
		char		m_Module[64];
		char		m_Function[64];

		// Address of exported module / function
		uintptr_t	m_ModuleAddress;
		uintptr_t	m_FunctionAddress;
	};

	using ExportList = std::vector<ExportedFunction>;

	// Used for TransactionCommit
	struct RemoteInjectionHeader
	{
		// Used to decrypt the cheat header (first 1000 bytes of image sent back).
		uint8_t   m_HeaderKey;

		// Used to call entrypoint/TLS callbacks.
		uintptr_t m_EntryPoint;
		uintptr_t m_TlsDirectory;
	};

	struct RemoteInjectionCode
	{
		RemoteInjectionHeader m_Header;

		// Actual injection code.
		ByteArray m_Code;
	};

	class RemoteInjectionServer
	{
	public:
		// Receive hash of selected cheat.
		// Reply with size of image to allocate.
		ByteArray Start(ByteArray &Response);

		// Receive client header, send over list of imported functions
		ByteArray TransactionStart(ByteArray &Response);

		// Receive list of modules & export addresses
		ByteArray TransactionContinue(ByteArray &Response);
	};
}