/* generates code like:
* public void TargetTest (NetworkConnection conn, int param)
* {
* NetworkWriter writer = new NetworkWriter ();
* writer.WritePackedUInt32 ((uint)param);
* base.SendTargetRPCInternal (conn, typeof(class), "TargetTest", val);
* }
* public void CallTargetTest (NetworkConnection conn, int param)
* {
* // whatever the user did before
* }
*
* or if optional:
* public void TargetTest (int param)
* {
* NetworkWriter writer = new NetworkWriter ();
* writer.WritePackedUInt32 ((uint)param);
* base.SendTargetRPCInternal (null, typeof(class), "TargetTest", val);
* }
* public void CallTargetTest (int param)
* {
* // whatever the user did before
* }
*
* Originally HLAPI put the send message code inside the Call function
* and then proceeded to replace every call to TargetTest with CallTargetTest
*
* This method moves all the user's code into the "CallTargetRpc" method
* and replaces the body of the original method with the send message code.
* This way we do not need to modify the code anywhere else, and this works
* correctly in dependent assemblies
*
*/
public static MethodDefinition ProcessTargetRpcCall(TypeDefinition td, MethodDefinition md, CustomAttribute targetRpcAttr)
{
MethodDefinition rpc = MethodProcessor.SubstituteMethod(td, md);
ILProcessor worker = md.Body.GetILProcessor();
NetworkBehaviourProcessor.WriteSetupLocals(worker);
NetworkBehaviourProcessor.WriteCreateWriter(worker);
// write all the arguments that the user passed to the TargetRpc call
// (skip first one if first one is NetworkConnection)
if (!NetworkBehaviourProcessor.WriteArguments(worker, md, RemoteCallType.TargetRpc))
{
return(null);
}
string rpcName = md.Name;
// invoke SendInternal and return
// this
worker.Emit(OpCodes.Ldarg_0);
if (HasNetworkConnectionParameter(md))
{
// connection
worker.Emit(OpCodes.Ldarg_1);
}
else
{
// null
worker.Emit(OpCodes.Ldnull);
}
worker.Emit(OpCodes.Ldtoken, td);
// invokerClass
worker.Emit(OpCodes.Call, WeaverTypes.getTypeFromHandleReference);
worker.Emit(OpCodes.Ldstr, rpcName);
// writer
worker.Emit(OpCodes.Ldloc_0);
worker.Emit(OpCodes.Ldc_I4, targetRpcAttr.GetField("channel", 0));
worker.Emit(OpCodes.Callvirt, WeaverTypes.sendTargetRpcInternal);
NetworkBehaviourProcessor.WriteRecycleWriter(worker);
worker.Emit(OpCodes.Ret);
return(rpc);
}
/*
* generates code like:
*
* public void RpcTest (int param)
* {
* NetworkWriter writer = new NetworkWriter ();
* writer.WritePackedUInt32((uint)param);
* base.SendRPCInternal(typeof(class),"RpcTest", writer, 0);
* }
* public void CallRpcTest (int param)
* {
* // whatever the user did before
* }
*
* Originally HLAPI put the send message code inside the Call function
* and then proceeded to replace every call to RpcTest with CallRpcTest
*
* This method moves all the user's code into the "CallRpc" method
* and replaces the body of the original method with the send message code.
* This way we do not need to modify the code anywhere else, and this works
* correctly in dependent assemblies
*/
public static MethodDefinition ProcessRpcCall(TypeDefinition td, MethodDefinition md, CustomAttribute clientRpcAttr)
{
MethodDefinition rpc = MethodProcessor.SubstituteMethod(td, md);
ILProcessor worker = md.Body.GetILProcessor();
NetworkBehaviourProcessor.WriteSetupLocals(worker);
if (Editor.Weaver.Weaver.GenerateLogErrors)
{
worker.Emit(OpCodes.Ldstr, "Call ClientRpc function " + md.Name);
worker.Emit(OpCodes.Call, WeaverTypes.logErrorReference);
}
NetworkBehaviourProcessor.WriteCreateWriter(worker);
// write all the arguments that the user passed to the Rpc call
if (!NetworkBehaviourProcessor.WriteArguments(worker, md, RemoteCallType.ClientRpc))
{
return(null);
}
string rpcName = md.Name;
int channel = clientRpcAttr.GetField("channel", 0);
bool includeOwner = clientRpcAttr.GetField("includeOwner", true);
// invoke SendInternal and return
// this
worker.Emit(OpCodes.Ldarg_0);
worker.Emit(OpCodes.Ldtoken, td);
// invokerClass
worker.Emit(OpCodes.Call, WeaverTypes.getTypeFromHandleReference);
worker.Emit(OpCodes.Ldstr, rpcName);
// writer
worker.Emit(OpCodes.Ldloc_0);
worker.Emit(OpCodes.Ldc_I4, channel);
// includeOwner ? 1 : 0
worker.Emit(includeOwner ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
worker.Emit(OpCodes.Callvirt, WeaverTypes.sendRpcInternal);
NetworkBehaviourProcessor.WriteRecycleWriter(worker);
worker.Emit(OpCodes.Ret);
return(rpc);
}
/*
* // generates code like:
* public void CmdThrust(float thrusting, int spin)
* {
* NetworkWriter networkWriter = new NetworkWriter();
* networkWriter.Write(thrusting);
* networkWriter.WritePackedUInt32((uint)spin);
* base.SendCommandInternal(cmdName, networkWriter, cmdName);
* }
*
* public void CallCmdThrust(float thrusting, int spin)
* {
* // whatever the user was doing before
* }
*
* Originally HLAPI put the send message code inside the Call function
* and then proceeded to replace every call to CmdTrust with CallCmdTrust
*
* This method moves all the user's code into the "CallCmd" method
* and replaces the body of the original method with the send message code.
* This way we do not need to modify the code anywhere else, and this works
* correctly in dependent assemblies
*/
public static MethodDefinition ProcessCommandCall(TypeDefinition td, MethodDefinition md, CustomAttribute commandAttr)
{
MethodDefinition cmd = MethodProcessor.SubstituteMethod(td, md);
ILProcessor worker = md.Body.GetILProcessor();
NetworkBehaviourProcessor.WriteSetupLocals(worker);
// NetworkWriter writer = new NetworkWriter();
NetworkBehaviourProcessor.WriteCreateWriter(worker);
// write all the arguments that the user passed to the Cmd call
if (!NetworkBehaviourProcessor.WriteArguments(worker, md, RemoteCallType.Command))
{
return(null);
}
string cmdName = md.Name;
int channel = commandAttr.GetField("channel", 0);
bool requiresAuthority = commandAttr.GetField("requiresAuthority", true);
// invoke internal send and return
// load 'base.' to call the SendCommand function with
worker.Emit(OpCodes.Ldarg_0);
worker.Emit(OpCodes.Ldtoken, td);
// invokerClass
worker.Emit(OpCodes.Call, WeaverTypes.getTypeFromHandleReference);
worker.Emit(OpCodes.Ldstr, cmdName);
// writer
worker.Emit(OpCodes.Ldloc_0);
worker.Emit(OpCodes.Ldc_I4, channel);
// requiresAuthority ? 1 : 0
worker.Emit(requiresAuthority ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
worker.Emit(OpCodes.Call, WeaverTypes.sendCommandInternal);
NetworkBehaviourProcessor.WriteRecycleWriter(worker);
worker.Emit(OpCodes.Ret);
return(cmd);
}