public static MethodDefinition ProcessRpcInvoke(TypeDefinition td, MethodDefinition md, MethodDefinition rpcCallFunc)
{
var rpc = new MethodDefinition(
RpcPrefix + md.Name,
MethodAttributes.Family | MethodAttributes.Static | MethodAttributes.HideBySig,
Weaver.voidType);
ILProcessor rpcWorker = rpc.Body.GetILProcessor();
Instruction label = rpcWorker.Create(OpCodes.Nop);
NetworkBehaviourProcessor.WriteClientActiveCheck(rpcWorker, md.Name, label, "RPC");
// setup for reader
rpcWorker.Append(rpcWorker.Create(OpCodes.Ldarg_0));
rpcWorker.Append(rpcWorker.Create(OpCodes.Castclass, td));
if (!NetworkBehaviourProcessor.ProcessNetworkReaderParameters(md, rpcWorker, false))
{
return(null);
}
// invoke actual command function
rpcWorker.Append(rpcWorker.Create(OpCodes.Callvirt, rpcCallFunc));
rpcWorker.Append(rpcWorker.Create(OpCodes.Ret));
NetworkBehaviourProcessor.AddInvokeParameters(rpc.Parameters);
td.Methods.Add(rpc);
return(rpc);
}
public static MethodDefinition ProcessEventInvoke(TypeDefinition td, EventDefinition ed)
{
// find the field that matches the event
FieldDefinition eventField = null;
foreach (FieldDefinition fd in td.Fields)
{
if (fd.FullName == ed.FullName)
{
eventField = fd;
break;
}
}
if (eventField == null)
{
Weaver.DLog(td, "ERROR: no event field?!");
Weaver.fail = true;
return(null);
}
MethodDefinition cmd = new MethodDefinition("InvokeSyncEvent" + ed.Name, MethodAttributes.Family |
MethodAttributes.Static |
MethodAttributes.HideBySig,
Weaver.voidType);
ILProcessor cmdWorker = cmd.Body.GetILProcessor();
Instruction label1 = cmdWorker.Create(OpCodes.Nop);
Instruction label2 = cmdWorker.Create(OpCodes.Nop);
NetworkBehaviourProcessor.WriteClientActiveCheck(cmdWorker, ed.Name, label1, "Event");
// null event check
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldarg_0));
cmdWorker.Append(cmdWorker.Create(OpCodes.Castclass, td));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldfld, eventField));
cmdWorker.Append(cmdWorker.Create(OpCodes.Brtrue, label2));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ret));
cmdWorker.Append(label2);
// setup reader
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldarg_0));
cmdWorker.Append(cmdWorker.Create(OpCodes.Castclass, td));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldfld, eventField));
// read the event arguments
MethodReference invoke = Resolvers.ResolveMethod(eventField.FieldType, Weaver.scriptDef, "Invoke");
if (!NetworkBehaviourProcessor.ProcessNetworkReaderParameters(td, invoke.Resolve(), cmdWorker, false))
{
return(null);
}
// invoke actual event delegate function
cmdWorker.Append(cmdWorker.Create(OpCodes.Callvirt, invoke));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ret));
NetworkBehaviourProcessor.AddInvokeParameters(cmd.Parameters);
return(cmd);
}
/*
* // generates code like:
* protected static void InvokeCmdCmdThrust(NetworkBehaviour obj, NetworkReader reader)
* {
* if (!obj.netIdentity.server.active)
* {
* return;
* }
* ((ShipControl)obj).CmdThrust(reader.ReadSingle(), (int)reader.ReadPackedUInt32());
* }
*/
public static MethodDefinition ProcessCommandInvoke(TypeDefinition td, MethodDefinition md, MethodDefinition cmdCallFunc)
{
MethodDefinition cmd = new MethodDefinition(CmdPrefix + md.Name,
MethodAttributes.Family | MethodAttributes.Static | MethodAttributes.HideBySig,
Weaver.voidType);
ILProcessor cmdWorker = cmd.Body.GetILProcessor();
Instruction label = cmdWorker.Create(OpCodes.Nop);
NetworkBehaviourProcessor.WriteServerActiveCheck(cmdWorker, md.Name, label, "Command");
// setup for reader
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldarg_0));
cmdWorker.Append(cmdWorker.Create(OpCodes.Castclass, td));
if (!NetworkBehaviourProcessor.ProcessNetworkReaderParameters(md, cmdWorker, false))
{
return(null);
}
// invoke actual command function
cmdWorker.Append(cmdWorker.Create(OpCodes.Callvirt, cmdCallFunc));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ret));
NetworkBehaviourProcessor.AddInvokeParameters(cmd.Parameters);
return(cmd);
}
public static MethodDefinition ProcessEventInvoke(TypeDefinition td, EventDefinition ed)
{
// find the field that matches the event
FieldDefinition eventField = null;
foreach (var fd in td.Fields)
{
if (fd.FullName == ed.FullName)
{
eventField = fd;
break;
}
}
if (eventField == null)
{
Weaver.Error($"{td} not found. Did you declare the event?");
return(null);
}
var cmd = new MethodDefinition("InvokeSyncEvent" + ed.Name, MethodAttributes.Family |
MethodAttributes.Static |
MethodAttributes.HideBySig,
Weaver.voidType);
var cmdWorker = cmd.Body.GetILProcessor();
var label1 = cmdWorker.Create(OpCodes.Nop);
var label2 = cmdWorker.Create(OpCodes.Nop);
NetworkBehaviourProcessor.WriteClientActiveCheck(cmdWorker, ed.Name, label1, "Event");
// null event check
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldarg_0));
cmdWorker.Append(cmdWorker.Create(OpCodes.Castclass, td));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldfld, eventField));
cmdWorker.Append(cmdWorker.Create(OpCodes.Brtrue, label2));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ret));
cmdWorker.Append(label2);
// setup reader
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldarg_0));
cmdWorker.Append(cmdWorker.Create(OpCodes.Castclass, td));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ldfld, eventField));
// read the event arguments
var invoke = Resolvers.ResolveMethod(eventField.FieldType, Weaver.CurrentAssembly, "Invoke");
if (!NetworkBehaviourProcessor.ProcessNetworkReaderParameters(invoke.Resolve(), cmdWorker, false))
{
return(null);
}
// invoke actual event delegate function
cmdWorker.Append(cmdWorker.Create(OpCodes.Callvirt, invoke));
cmdWorker.Append(cmdWorker.Create(OpCodes.Ret));
NetworkBehaviourProcessor.AddInvokeParameters(cmd.Parameters);
return(cmd);
}
public static MethodDefinition ProcessTargetRpcInvoke(TypeDefinition td, MethodDefinition md, MethodDefinition rpcCallFunc)
{
var rpc = new MethodDefinition(RpcProcessor.RpcPrefix + md.Name, MethodAttributes.Family |
MethodAttributes.Static |
MethodAttributes.HideBySig,
Weaver.voidType);
ILProcessor rpcWorker = rpc.Body.GetILProcessor();
Instruction label = rpcWorker.Create(OpCodes.Nop);
NetworkBehaviourProcessor.WriteClientActiveCheck(rpcWorker, md.Name, label, "TargetRPC");
// setup for reader
rpcWorker.Append(rpcWorker.Create(OpCodes.Ldarg_0));
rpcWorker.Append(rpcWorker.Create(OpCodes.Castclass, td));
// NetworkConnection parameter is optional
bool hasNetworkConnection = HasNetworkConnectionParameter(md);
if (hasNetworkConnection)
{
//client.connection
rpcWorker.Append(rpcWorker.Create(OpCodes.Ldarg_0));
rpcWorker.Append(rpcWorker.Create(OpCodes.Call, Weaver.BehaviorConnectionToServerReference));
}
// process reader parameters and skip first one if first one is NetworkConnection
if (!NetworkBehaviourProcessor.ProcessNetworkReaderParameters(md, rpcWorker, hasNetworkConnection))
{
return(null);
}
// invoke actual command function
rpcWorker.Append(rpcWorker.Create(OpCodes.Callvirt, rpcCallFunc));
rpcWorker.Append(rpcWorker.Create(OpCodes.Ret));
NetworkBehaviourProcessor.AddInvokeParameters(rpc.Parameters);
td.Methods.Add(rpc);
return(rpc);
}
