Moved time registration to the main UniQuake class

Assets/Scripts/SysCalls.cs

@@ -9,14 +9,12 @@ public class SysCalls: CallbackHandler<SysCalls>
     private const int MaxFileHandles = 50;
     
     private readonly UniQuake uq;
-    private readonly double startTime;
 
     private readonly FileStream[] fileHandles = new FileStream[MaxFileHandles];
 
     public SysCalls(UniQuake uniQuake)
     {
         uq = uniQuake;
-        startTime = Time.timeAsDouble;
         
         var callbacks = new Callbacks
         {
@@ -129,7 +127,7 @@ public class SysCalls: CallbackHandler<SysCalls>
     
     private double FloatTime()
     {
-        return Time.timeAsDouble - startTime;
+        return uq.CurrentTime;
     }
 
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]

Assets/Scripts/UniQuake.cs

@@ -12,6 +12,12 @@ public class UniQuake: MonoBehaviour
     private ModCalls modCalls;
 
     private bool initialized = false;
+    private double startTime;
+
+    /// <summary>
+    /// Time since startup for this particular instance of Quake
+    /// </summary>
+    public double CurrentTime => Time.timeAsDouble - startTime;
 
     void Start()
     {
@@ -35,6 +41,8 @@ public class UniQuake: MonoBehaviour
         sysCalls = new SysCalls(this);
         modCalls = new ModCalls(this);
 
+        startTime = Time.timeAsDouble;
+
         try
         {
             UniQuake_Init(quakeParms, sysCalls.ToIntPtr, modCalls.ToIntPtr);