feat: General.compareTurntime

@sammo/game_logic/src/General.ts

@@ -155,4 +155,21 @@ export class General extends LazyEntityUpdater<IGeneralEntity> {
 
     }
 
+    public compareTurntime(other: General): number {
+        if(this._raw.turntime < other._raw.turntime){
+            return -1;
+        }
+        if(this._raw.turntime > other._raw.turntime){
+            return 1;
+        }
+
+        if(this._raw.id < other._raw.id){
+            return -1;
+        }
+        if(this._raw.id > other._raw.id){
+            return 1;
+        }
+        return 0;
+    }
+
 }