Start implementing primitives and entities

Assets/Scripts/OpenTS2/SimAntics/BHAVAsset.cs

@@ -14,6 +14,9 @@ namespace OpenTS2.SimAntics
 
         public class Node
         {
+            public const ushort ErrorReturnValue = 0xFFFC;
+            public const ushort TrueReturnValue = 0xFFFD;
+            public const ushort FalseReturnValue = 0xFFFE;
             public ushort OpCode;
             public ushort TrueTarget;
             public ushort FalseTarget;

Assets/Scripts/OpenTS2/SimAntics/BHAVCodec.cs

@@ -104,13 +104,14 @@ namespace OpenTS2.SimAntics
                 {
                     // None / Error
                     case 0xFD:
-                        return 0xFFFC;
+                        return BHAVAsset.Node.ErrorReturnValue;
                     // True
                     case 0xFE:
-                        return 0xFFFD;
+                        return BHAVAsset.Node.TrueReturnValue;
                     // False
                     case 0xFF:
-                        return 0xFFFE;
+                        return BHAVAsset.Node.FalseReturnValue;
+                    // probably already an okay value
                     default:
                         return target;
                 }

Assets/Scripts/OpenTS2/SimAntics/VM.cs

@@ -6,16 +6,6 @@ namespace OpenTS2.SimAntics
 {
     public class VM
     {
-        // Start is called before the first frame update
+        public List<VMEntity> Entities = new List<VMEntity>();
-        void Start()
-        {
-
-        }
-
-        // Update is called once per frame
-        void Update()
-        {
-
-        }
     }
 }

Assets/Scripts/OpenTS2/SimAntics/VMEntity.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenTS2.SimAntics
+{
+    public class VMEntity
+    {
+        public ushort ID = 1;
+        public short[] Temps = new short[20];
+    }
+}

Assets/Scripts/OpenTS2/SimAntics/VMEntity.cs.meta

@@ -0,0 +1,11 @@
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+guid: 17d0bfd1bb2c4ab48a5e03c6c55d4c3d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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Assets/Scripts/OpenTS2/SimAntics/VMPrimitive.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenTS2.SimAntics
+{
+    public abstract class VMPrimitive
+    {
+        public abstract ReturnValue Execute();
+
+        public enum ExitCode : byte
+        {
+            GoToTrue,
+            GoToFalse
+        }
+
+        public struct ReturnValue
+        {
+            private ExitCode Code;
+            public int Ticks;
+            
+            public static ReturnValue GoToTrue = new ReturnValue { Code = ExitCode.GoToTrue, Ticks = 0 };
+            public static ReturnValue GoToFalse = new ReturnValue { Code = ExitCode.GoToFalse, Ticks = 0 };
+            public static ReturnValue ContinueOnFutureTick( ExitCode exitCode, int ticksToSleep )
+            {
+                return new ReturnValue
+                {
+                    Code = exitCode,
+                    Ticks = ticksToSleep
+                };
+            }
+        }
+    }
+}

Assets/Scripts/OpenTS2/SimAntics/VMPrimitive.cs.meta

@@ -0,0 +1,11 @@
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