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Add NetworkRpcParams for sending RPC to specific set of clients or to read sender id

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This commit is contained in:
Wojtek Figat
2023-04-15 12:04:40 +02:00
parent a52b352bd9
commit e4804db160
6 changed files with 143 additions and 19 deletions
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63
Source/Tools/Flax.Build/Build/Plugins/NetworkingPlugin.cs
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@@ -13,7 +13,7 @@ using Mono.Cecil.Cil;
namespace Flax.Build.Plugins
{
/// <summary>
/// Flax.Build plugin for Networking extenrions support. Generates required bindings glue code for automatic types replication and RPCs invoking.
/// Flax.Build plugin for Networking extensions support. Generates required bindings glue code for automatic types replication and RPCs invoking.
/// </summary>
/// <seealso cref="Flax.Build.Plugin" />
internal sealed class NetworkingPlugin : Plugin
@@ -231,9 +231,16 @@ namespace Flax.Build.Plugins
var arg = functionInfo.Parameters[i];
if (i != 0)
argNames += ", ";
argNames += arg.Name;
// Special handling of Rpc Params
if (!arg.Type.IsPtr && arg.Type.Type == "NetworkRpcParams")
{
argNames += "NetworkRpcParams(stream)";
continue;
}
// Deserialize arguments
argNames += arg.Name;
contents.AppendLine($" {arg.Type.Type} {arg.Name};");
contents.AppendLine($" stream->Read({arg.Name});");
}
@@ -250,16 +257,24 @@ namespace Flax.Build.Plugins
contents.Append(" static void ").Append(functionInfo.Name).AppendLine("_Invoke(ScriptingObject* obj, void** args)");
contents.AppendLine(" {");
contents.AppendLine(" NetworkStream* stream = NetworkReplicator::BeginInvokeRPC();");
contents.AppendLine(" Span<uint32> targetIds;");
for (int i = 0; i < functionInfo.Parameters.Count; i++)
{
var arg = functionInfo.Parameters[i];
// Special handling of Rpc Params
if (!arg.Type.IsPtr && arg.Type.Type == "NetworkRpcParams")
{
contents.AppendLine($" targetIds = ((NetworkRpcParams*)args[{i}])->TargetIds;");
continue;
}
// Serialize arguments
contents.AppendLine($" stream->Write(*({arg.Type.Type}*)args[{i}]);");
}
// Invoke RPC
contents.AppendLine($" NetworkReplicator::EndInvokeRPC(obj, {typeInfo.NativeName}::TypeInitializer, StringAnsiView(\"{functionInfo.Name}\", {functionInfo.Name.Length}), stream);");
contents.AppendLine($" NetworkReplicator::EndInvokeRPC(obj, {typeInfo.NativeName}::TypeInitializer, StringAnsiView(\"{functionInfo.Name}\", {functionInfo.Name.Length}), stream, targetIds);");
contents.AppendLine(" }");
}
contents.AppendLine();
@@ -1403,6 +1418,22 @@ namespace Flax.Build.Plugins
{
var parameter = method.Parameters[i];
var parameterType = parameter.ParameterType;
// Special handling of Rpc Params
if (string.Equals(parameterType.FullName, "FlaxEngine.Networking.NetworkRpcParams", StringComparison.OrdinalIgnoreCase))
{
// new NetworkRpcParams { SenderId = networkStream.SenderId }
il.Emit(OpCodes.Ldloca_S, (byte)(argsStart + i));
il.Emit(OpCodes.Initobj, parameterType);
il.Emit(OpCodes.Ldloca_S, (byte)(argsStart + i));
il.Emit(OpCodes.Ldloc_1);
var getSenderId = networkStreamType.Resolve().GetMethod("get_SenderId");
il.Emit(OpCodes.Callvirt, module.ImportReference(getSenderId));
var senderId = parameterType.Resolve().GetField("SenderId");
il.Emit(OpCodes.Stfld, module.ImportReference(senderId));
continue;
}
GenerateDotNetRPCSerializerType(ref context, type, false, argsStart + i, parameterType, il, networkStream.Resolve(), 1, null);
}
@@ -1432,6 +1463,8 @@ namespace Flax.Build.Plugins
il.Body.InitLocals = true;
var varsStart = il.Body.Variables.Count;
il.InsertBefore(ilStart, il.Create(OpCodes.Nop));
// Is Server/Is Client boolean constants
il.Body.Variables.Add(new VariableDefinition(module.ImportReference(boolType))); // [0]
il.Body.Variables.Add(new VariableDefinition(module.ImportReference(boolType))); // [1]
@@ -1476,14 +1509,25 @@ namespace Flax.Build.Plugins
il.InsertBefore(ilStart, il.Create(OpCodes.Stloc, streamLocalIndex)); // stream loc=3
// Serialize all RPC parameters
var targetIdsArgIndex = -1;
FieldDefinition targetIdsField = null;
for (int i = 0; i < method.Parameters.Count; i++)
{
var parameter = method.Parameters[i];
var parameterType = parameter.ParameterType;
// Special handling of Rpc Params
if (string.Equals(parameterType.FullName, "FlaxEngine.Networking.NetworkRpcParams", StringComparison.OrdinalIgnoreCase))
{
targetIdsArgIndex = i + 1; // NetworkRpcParams value argument index (starts at 1, 0 holds this)
targetIdsField = parameterType.Resolve().GetField("TargetIds");
continue;
}
GenerateDotNetRPCSerializerType(ref context, type, true, i + 1, parameterType, il, networkStream.Resolve(), streamLocalIndex, ilStart);
}
// NetworkReplicator.EndInvokeRPC(this, typeof(<type>), "<name>", stream);
// NetworkReplicator.EndInvokeRPC(this, typeof(<type>), "<name>", stream, targetIds);
il.InsertBefore(ilStart, il.Create(OpCodes.Nop));
il.InsertBefore(ilStart, il.Create(OpCodes.Ldarg_0));
il.InsertBefore(ilStart, il.Create(OpCodes.Ldtoken, type));
@@ -1492,7 +1536,14 @@ namespace Flax.Build.Plugins
il.InsertBefore(ilStart, il.Create(OpCodes.Call, module.ImportReference(getTypeFromHandle)));
il.InsertBefore(ilStart, il.Create(OpCodes.Ldstr, method.Name));
il.InsertBefore(ilStart, il.Create(OpCodes.Ldloc, streamLocalIndex));
var endInvokeRPC = networkReplicatorType.Resolve().GetMethod("EndInvokeRPC", 4);
if (targetIdsArgIndex != -1)
{
il.InsertBefore(ilStart, il.Create(OpCodes.Ldarg, targetIdsArgIndex));
il.InsertBefore(ilStart, il.Create(OpCodes.Ldfld, module.ImportReference(targetIdsField)));
}
else
il.InsertBefore(ilStart, il.Create(OpCodes.Ldnull));
var endInvokeRPC = networkReplicatorType.Resolve().GetMethod("EndInvokeRPC", 5);
il.InsertBefore(ilStart, il.Create(OpCodes.Call, module.ImportReference(endInvokeRPC)));
// if (server && networkMode == NetworkManagerMode.Client) return;