Create README.md

README.md

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+# gmcl_usermessages_win32
+
+SourceSDK usermessages in Lua!
+
+## usermessages
+usermessages.LookupUserMessage("name") --Lookup message id by name<br>
+usermessages.GetUserMessages() --Return a table with registered usermessages<br>
+usermessages.GetUserMessageName(idx) --Return usermessage name by id<br>
+usermessages.GetTotal() --Return total number of usermessages<br>
+
+## recipientfilter
+
+Container that's contain players and other stuff
+
+rf = recipientfilter.Create() --Returns new userdata<br>
+rf:MakeReliable() --Don't forget to do it before you use it<br>
+rf:AddRecipient(Entity(1)) --Add player to filter<br>
+rf:Free() --When you done (usermessages.MessageEnd()) don't forget to free it!<br>
+
+## bf_write (NekoBuf) and usermessages usage
+
+bf = usermessages.UserMessageBegin(rf,usermessage_id) --Begin usermessage with our filter, returns bf_write userdata<br>
+
+bf_write metamethods:<br>
+WriteByte<br>
+WriteChar<br>
+WriteShort<br>
+WriteWord<br>
+WriteLong<br>
+WriteFloat<br>
+WriteAngle<br>
+WriteAngles<br>
+WriteCoord<br>
+WriteVec3Coord<br>
+WriteVec3Normal<br>
+WriteString<br>
+WriteEntity<br>
+WriteEHandle<br>
+WriteBool<br>
+WriteUBitLong<br>
+WriteSBitLong<br>
+WriteBits<br>
+
+Also for defination look in nekobuf.cpp<br>
+
+When you done, YOU MUST END THIS! (or u get engine error and server crash)<br>
+usermessages.MessageEnd()
+
+## Warning
+
+When you're using usermessages, be carefully! Any error in code stop script and MessageEnd wasn't called, this can crash your server
+
+## Example
+for LuaCmd also SendLua
+```
+rf = recipientfilter.Create()
+rf:MakeReliable()
+rf:AddRecipient(Entity(1))
+
+bf = usermessages.UserMessageBegin(rf,usermessages.LookupUserMessage("LuaCmd"))
+bf:WriteString("print(\"Hello World!\")")
+usermessages.MessageEnd()
+rf:Free()
+```