77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Types/StringView.h"
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#include "Engine/Core/Types/Pair.h"
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#include "Engine/Core/Collections/Array.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "Engine/Scripting/ScriptingType.h"
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class NetworkStream;
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// Network RPC identifier name (pair of type and function name)
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typedef Pair<ScriptingTypeHandle, StringAnsiView> NetworkRpcName;
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// Network RPC descriptor
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struct FLAXENGINE_API NetworkRpcInfo
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{
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uint8 Server : 1;
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uint8 Client : 1;
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uint8 Channel : 4;
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void (*Execute)(ScriptingObject* obj, NetworkStream* stream, void* tag);
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void (*Invoke)(ScriptingObject* obj, void** args);
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void* Tag;
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/// <summary>
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/// Global table for registered RPCs. Key: pair of type, RPC name. Value: RPC descriptor.
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/// </summary>
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static Dictionary<NetworkRpcName, NetworkRpcInfo> RPCsTable;
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};
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// Gets the pointer to the RPC argument into the args buffer
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template<typename T>
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FORCE_INLINE void NetworkRpcInitArg(Array<void*, FixedAllocation<16>>& args, const T& v)
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{
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args.Add((void*)&v);
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}
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// Gets the pointers to the RPC arguments into the args buffer
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template<typename T, typename... Params>
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FORCE_INLINE void NetworkRpcInitArg(Array<void*, FixedAllocation<16>>& args, const T& first, Params&... params)
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{
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NetworkRpcInitArg(args, first);
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NetworkRpcInitArg(args, Forward<Params>(params)...);
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}
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// Network RPC implementation (placed in the beginning of the method body)
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#define NETWORK_RPC_IMPL(type, name, ...) \
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{ \
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const NetworkRpcInfo& rpcInfo = NetworkRpcInfo::RPCsTable[NetworkRpcName(type::TypeInitializer, StringAnsiView(#name))]; \
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const NetworkManagerMode networkMode = NetworkManager::Mode; \
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if ((rpcInfo.Server && networkMode == NetworkManagerMode::Client) || (rpcInfo.Client && networkMode != NetworkManagerMode::Client)) \
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{ \
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Array<void*, FixedAllocation<16>> args; \
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NetworkRpcInitArg(args, __VA_ARGS__); \
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rpcInfo.Invoke(this, args.Get()); \
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if (rpcInfo.Server && networkMode == NetworkManagerMode::Client) \
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return; \
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if (rpcInfo.Client && networkMode == NetworkManagerMode::Server) \
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return; \
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} \
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}
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// Network RPC override implementation (placed in the beginning of the overriden method body - after call to the base class method)
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#define NETWORK_RPC_OVERRIDE_IMPL(type, name, ...) \
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{ \
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const NetworkRpcInfo& rpcInfo = NetworkRpcInfo::RPCsTable[NetworkRpcName(type::TypeInitializer, StringAnsiView(#name))]; \
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const NetworkManagerMode networkMode = NetworkManager::Mode; \
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if ((rpcInfo.Server && networkMode == NetworkManagerMode::Client) || (rpcInfo.Client && networkMode != NetworkManagerMode::Client)) \
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{ \
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if (rpcInfo.Server && networkMode == NetworkManagerMode::Client) \
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return; \
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if (rpcInfo.Client && networkMode == NetworkManagerMode::Server) \
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return; \
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} \
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}
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