Revert "Change TPX gain loading interface from fTpx->put(... to fTpx->gain_al… (#417)"

This reverts commit e709d3d.

Author: plexoos

StRoot/StTpcHitMaker/StTpcHitMaker.cxx

@@ -442,6 +442,17 @@ Int_t StTpcHitMaker::Make() {
     LOG_WARN << "TPC status indicates it is unusable for this event. Ignoring hits." << endm;
     return kStOK;
   }
+#ifdef __GENE__ /* I have no idea what the codes after */
+  if ( kMode == kTpx || kMode == kTpc || kMode == kiTPC ) {
+    pEvent = dynamic_cast<StEvent *> (GetInputDS("StEvent"));
+    if (Debug()) {LOG_INFO << "StTpcHitMaker::Make : StEvent has been retrieved " <<pEvent<< endm;}
+    if (! pEvent) {LOG_INFO << "StTpcHitMaker::Make : StEvent has not been found " << endm; return kStWarn;}
+    pHitCollection = pEvent->tpcHitCollection();
+  } else {
+    pEvent = 0;
+    pHitCollection = 0;
+  }
+#endif
 
   static Int_t minSector = IAttr("minSector");
   static Int_t maxSector = IAttr("maxSector");