finally Userdata() syntax, no more nasty CreateUserdata or Userdata.Create

Barotrauma/BarotraumaShared/SharedSource/Lua/LuaSetup.cs

@@ -9,6 +9,8 @@ using System.Threading.Tasks;
 using Barotrauma.Items.Components;
 using System.Diagnostics;
 using System.Linq;
+using MoonSharp.Interpreter.Interop;
+using System.Reflection;
 
 namespace Barotrauma
 {
@@ -174,6 +176,37 @@ namespace Barotrauma
 			return value * 2;
 		}
 
+		// messy solution
+		private object HandleCall(object arg1, ScriptExecutionContext arg2, CallbackArguments arg3)
+		{
+			var what = arg3.RawGet(0, true);
+
+			var code = "return " + what.UserData.Descriptor.Type.Name + ".__new(";
+
+			var tbl = new Table(lua);
+			tbl[what.UserData.Descriptor.Type.Name] = what;
+			
+			for(var i=1; i < arg3.Count; i++)
+			{
+				if (i == arg3.Count - 1)
+					code = code + "arg" + i;
+				else
+					code = code + "arg" + i + ",";
+
+				tbl["arg" + i] = arg3.RawGet(i, true);
+			}
+
+			code = code + ")";
+
+			return lua.DoString(code, tbl);
+		}
+
+		private void AddCallMetaMember(IUserDataDescriptor IUDD)
+		{
+			var descriptor = (StandardUserDataDescriptor)IUDD;
+			descriptor.AddMetaMember("__call", new ObjectCallbackMemberDescriptor("__call", HandleCall));
+		}
+
 		public void Stop()
 		{
 
@@ -198,7 +231,6 @@ namespace Barotrauma
 
 			UserData.RegisterType<TraitorMessageType>();
 			UserData.RegisterType<JobPrefab>();
-			UserData.RegisterType<CharacterInfo>();
 			UserData.RegisterType<Rectangle>();
 			UserData.RegisterType<Point>();
 			UserData.RegisterType<Level.InterestingPosition>();
@@ -220,9 +252,6 @@ namespace Barotrauma
 			UserData.RegisterType<LuaTimer>();
 			UserData.RegisterType<LuaFile>();
 			UserData.RegisterType<LuaNetworking>();
-			UserData.RegisterType<Vector2>();
-			UserData.RegisterType<Vector3>();
-			UserData.RegisterType<Vector4>();
 			UserData.RegisterType<CauseOfDeathType>();
 			UserData.RegisterType<AfflictionPrefab>();
 			UserData.RegisterType<Affliction>();
@@ -239,7 +268,6 @@ namespace Barotrauma
 			UserData.RegisterType<MapEntityPrefab>();
 			UserData.RegisterType<CauseOfDeath>();
 			UserData.RegisterType<CharacterTeamType>();
-			UserData.RegisterType<Signal>();
 			UserData.RegisterType<Connection>();
 			UserData.RegisterType<ItemComponent>();
 			UserData.RegisterType<WifiComponent>();
@@ -288,6 +316,13 @@ namespace Barotrauma
 			UserData.RegisterType<ClientPacketHeader>();
 			UserData.RegisterType<DeliveryMethod>();
 
+			AddCallMetaMember(UserData.RegisterType<Vector2>());
+			AddCallMetaMember(UserData.RegisterType<Vector3>());
+			AddCallMetaMember(UserData.RegisterType<Vector4>());
+			AddCallMetaMember(UserData.RegisterType<CharacterInfo>());
+			AddCallMetaMember(UserData.RegisterType<Signal>());
+
+
 			lua = new Script(CoreModules.Preset_SoftSandbox);
 
 			lua.Options.DebugPrint = PrintMessage;
@@ -337,10 +372,7 @@ namespace Barotrauma
 			lua.Globals["CharacterTeamType"] = UserData.CreateStatic<CharacterTeamType>();
 			lua.Globals["Vector2"] = UserData.CreateStatic<Vector2>();
 			lua.Globals["Vector3"] = UserData.CreateStatic<Vector3>();
-			lua.Globals["Vector4"] = UserData.CreateStatic<Vector3>();
-			lua.Globals["CreateVector2"] = (Func<float, float, Vector2>)CreateVector2;
-			lua.Globals["CreateVector3"] = (Func<float, float, float, Vector3>)CreateVector3;
-			lua.Globals["CreateVector4"] = (Func<float, float, float, float, Vector4>)CreateVector4;
+			lua.Globals["Vector4"] = UserData.CreateStatic<Vector4>();
 			lua.Globals["ChatMessage"] = UserData.CreateStatic<ChatMessage>();
 			lua.Globals["Hull"] = UserData.CreateStatic<Hull>();
 			lua.Globals["InvSlotType"] = UserData.CreateStatic<InvSlotType>();
@@ -352,6 +384,11 @@ namespace Barotrauma
 			lua.Globals["ClientPacketHeader"] = UserData.CreateStatic<ClientPacketHeader>();
 			lua.Globals["ServerPacketHeader"] = UserData.CreateStatic<ServerPacketHeader>();
 
+			// obsolete
+			lua.Globals["CreateVector2"] = (Func<float, float, Vector2>)CreateVector2;
+			lua.Globals["CreateVector3"] = (Func<float, float, float, Vector3>)CreateVector3;
+			lua.Globals["CreateVector4"] = (Func<float, float, float, float, Vector4>)CreateVector4;
+
 			bool isServer = true;
 
 #if SERVER
@@ -385,7 +422,6 @@ namespace Barotrauma
 			}
 		}
 
-
 		public LuaSetup()
 		{
 

docs/lua/CharacterInfo.lua

@@ -17,4 +17,4 @@ local CharacterInfo = {}
 -- local vsauce = CharacterInfo.__new("human", "VSAUCE HERE")
 -- local character = Character.Create(vsauce, Vector2.__new(0, 0), "some random characters")
 -- print(character)
-function CharacterInfo.__new(speciesName, name, jobPrefab, ragdollFileName, variant, randSync, npcIdentifier) end
+function CharacterInfo(speciesName, name, jobPrefab, ragdollFileName, variant, randSync, npcIdentifier) end

docs/lua/Signal.lua

@@ -13,7 +13,7 @@ Signal = {}
 --- Instantiates a new Signal.
 -- @treturn Signal
 -- @realm shared 
-function Signal.__new(stringValue, stepsTaken, characterSender, itemSource, power, strength) end
+function Signal(stringValue, stepsTaken, characterSender, itemSource, power, strength) end
 
 ---
 -- value, String value of the signal.

docs/lua/Vectors.lua

@@ -8,7 +8,6 @@ These are the XNA Vectors, you can find all the functions and fields here: <br>
 <a href="https://docs.microsoft.com/en-us/previous-versions/windows/silverlight/dotnet-windows-silverlight/bb199679(v=xnagamestudio.35)">XNA Vector4</a> <br>
 
 Access them via Vector2.\*, Vector3.\*, Vector4.\* <br>
-CreateVector2, CreateVector3, CreateVector4 are globals.
 ]]
 -- @code Vectors
 
@@ -19,14 +18,14 @@ local Vector4 = {}
 --- Create Vector2
 -- @treturn Vector2
 -- @realm shared 
-function Vector2.__new(x, y) end
+function Vector2(X, Y) end
 
 --- Create Vector3
 -- @treturn Vector3
 -- @realm shared 
-function Vector3.__new(x, y, z) end
+function Vector3(X, Y, Z) end
 
 --- Create Vector4
 -- @treturn Vector4
 -- @realm shared 
-function Vector4.__new(x, y, z, w) end
+function Vector4(X, Y, Z, W) end