-static boolean CheckTriggeredElementSideChange(int, int, int, int, int);
-static boolean CheckTriggeredElementChange(int, int, int, int);
-static boolean CheckElementSideChange(int, int, int, int, int, int);
-static boolean CheckElementChange(int, int, int, int);
+
+static boolean CheckTriggeredElementChangeExt(int, int, int, int, int,int,int);
+#define CheckTriggeredElementChange(x, y, e, ev) \
+ CheckTriggeredElementChangeExt(x, y, e, ev, -1, CH_SIDE_ANY, -1)
+#define CheckTriggeredElementChangePlayer(x, y, e, ev, p, s) \
+ CheckTriggeredElementChangeExt(x, y, e, ev, p, s, -1)
+#define CheckTriggeredElementChangeSide(x, y, e, ev, s) \
+ CheckTriggeredElementChangeExt(x, y, e, ev, -1, s, -1)
+#define CheckTriggeredElementChangePage(x, y, e, ev, p) \
+ CheckTriggeredElementChangeExt(x, y, e, ev, -1, CH_SIDE_ANY, p)
+
+static boolean CheckElementChangeExt(int, int, int, int, int, int, int);
+#define CheckElementChange(x, y, e, ev) \
+ CheckElementChangeExt(x, y, e, ev, -1, CH_SIDE_ANY, -1)
+#define CheckElementChangePlayer(x, y, e, ev, p, s) \
+ CheckElementChangeExt(x, y, e, ev, p, s, -1)
+#define CheckElementChangeSide(x, y, e, ev, s) \
+ CheckElementChangeExt(x, y, e, ev, -1, s, -1)
+#define CheckElementChangePage(x, y, e, ev, p) \
+ CheckElementChangeExt(x, y, e, ev, -1, CH_SIDE_ANY, p)