(svn r4551) - NewGRF: add string handling for newstations.

newgrf_station.c

@@ -68,6 +68,39 @@ StationClassID AllocateStationClass(uint32 class)
 	return STAT_CLASS_DFLT;
 }
 
+/** Set the name of a custom station class */
+void SetStationClassName(StationClassID sclass, StringID name)
+{
+	assert(sclass < STAT_CLASS_MAX);
+	station_classes[sclass].name = name;
+}
+
+/** Retrieve the name of a custom station class */
+StringID GetStationClassName(StationClassID sclass)
+{
+	assert(sclass < STAT_CLASS_MAX);
+	return station_classes[sclass].name;
+}
+
+/** Build a list of station class name StringIDs to use in a dropdown list
+ * @return Pointer to a (static) array of StringIDs
+ */
+StringID *BuildStationClassDropdown(void)
+{
+	/* Allow room for all station classes, plus a terminator entry */
+	static StringID names[STAT_CLASS_MAX + 1];
+	uint i;
+
+	/* Add each name */
+	for (i = 0; i < STAT_CLASS_MAX && station_classes[i].id != 0; i++) {
+		names[i] = station_classes[i].name;
+	}
+	/* Terminate the list */
+	names[i] = INVALID_STRING_ID;
+
+	return names;
+}
+
 /**
  * Get the number of station classes in use.
  * @return Number of station classes.