- made all elements of DehInfo and State read-only.

This data must be immutable, if any mod plays loose here, very bad things can happen, so this hole got plugged, even at the expense risking to break some badly behaving mods.

wadsrc/static/zscript/base.txt

@@ -663,31 +663,31 @@ struct StringTable native
 // Most are handled at load time and are omitted here.
 struct DehInfo native
 {
-	native int MaxSoulsphere;
-	native uint8 ExplosionStyle;
-	native double ExplosionAlpha;
-	native int NoAutofreeze;
-	native int BFGCells;
-	native int BlueAC;
+	native readonly int MaxSoulsphere;
+	native readonly uint8 ExplosionStyle;
+	native readonly double ExplosionAlpha;
+	native readonly int NoAutofreeze;
+	native readonly int BFGCells;
+	native readonly int BlueAC;
 }
 
 struct State native
 {
-	native State NextState;
-	native int sprite;
-	native int16 Tics;
-	native uint16 TicRange;
-	native uint8 Frame;		
-	native uint8 UseFlags;	
-	native int Misc1;
-	native int Misc2;
-	native uint16 bSlow;
-	native uint16 bFast;
-	native bool bFullbright;
-	native bool bNoDelay;
-	native bool bSameFrame;
-	native bool bCanRaise;
-	native bool bDehacked;
+	native readonly State NextState;
+	native readonly int sprite;
+	native readonly int16 Tics;
+	native readonly uint16 TicRange;
+	native readonly uint8 Frame;		
+	native readonly uint8 UseFlags;	
+	native readonly int Misc1;
+	native readonly int Misc2;
+	native readonly uint16 bSlow;
+	native readonly uint16 bFast;
+	native readonly bool bFullbright;
+	native readonly bool bNoDelay;
+	native readonly bool bSameFrame;
+	native readonly bool bCanRaise;
+	native readonly bool bDehacked;
 	
 	native int DistanceTo(state other);
 	native bool ValidateSpriteFrame();