Add Block and command switching during playback

Assets/Fungus/Flowchart/Editor/BlockEditor.cs

@@ -774,7 +774,7 @@ namespace Fungus
 				showCut = true;
 				showCopy = true;
 				showDelete = true;
-                if (flowchart.selectedCommands.Count == 1)
+                if (flowchart.selectedCommands.Count == 1 && Application.isPlaying)
                 {
                     showPlay = true;
                 }
@@ -1024,10 +1024,23 @@ namespace Fungus
 		
 		protected void PlayCommand()
         {
-            Block block = target as Block;
+            Block targetBlock = target as Block;
-            Flowchart flowchart = block.GetFlowchart();
+            Flowchart flowchart = targetBlock.GetFlowchart();
             Command command = flowchart.selectedCommands[0];
-            //block.Execute(null, command.commandIndex);
+            targetBlock.jumpToCommandIndex = command.commandIndex;
+            if (!targetBlock.IsExecuting())
+            {
+                Block[] blocks = flowchart.GetComponentsInChildren<Block>(true);
+                foreach (Block b in blocks)
+                {
+                    if (b.IsExecuting())
+                    {
+                        b.Stop();
+                    }
+                }
+                flowchart.ExecuteBlock(targetBlock.blockName);
+            }
+            
         }
 
         protected void SelectPrevious()