Clean up SyncOpL2Door.

Source/objects.cpp

@@ -4255,26 +4255,25 @@ void SyncOpL1Door(int pnum, int cmd, int i)
 
 void SyncOpL2Door(int pnum, int cmd, int i)
 {
-	signed int v3;    // eax
+	BOOL do_sync;
-	ObjectStruct *v4; // esi
 
-	if (pnum != myplr) {
+	if (pnum == myplr)
-		v3 = 0;
-		if (cmd == 43) {
-			if (object[i]._oVar4)
 		return;
-			v3 = 1;
+
+	do_sync = FALSE;
+	if (cmd == CMD_OPENDOOR) {
+		if (object[i]._oVar4 != 0)
+			return;
+		do_sync = TRUE;
 	}
-		if (cmd == 44 && object[i]._oVar4 == 1)
+	if (cmd == CMD_CLOSEDOOR && object[i]._oVar4 == 1)
-			v3 = 1;
+		do_sync = TRUE;
-		if (v3) {
+	if (do_sync) {
-			v4 = &object[i];
+		if (object[i]._otype == OBJ_L2LDOOR)
-			if (v4->_otype == OBJ_L2LDOOR)
 			OperateL2LDoor(-1, i, 0);
-			if (v4->_otype == OBJ_L2RDOOR)
+		if (object[i]._otype == OBJ_L2RDOOR)
 			OperateL2RDoor(-1, i, 0);
 	}
-	}
 }
 
 void SyncOpL3Door(int pnum, int cmd, int i)