(svn r16640) -Codechange: move roadstop stuff to separate files

src/roadstop.cpp

@@ -0,0 +1,54 @@
+/* $Id$ */
+
+/** @file roadstop.cpp Implementation of the roadstop base class. */
+
+#include "stdafx.h"
+#include "roadveh.h"
+#include "station_map.h"
+#include "core/pool_func.hpp"
+#include "roadstop_base.h"
+
+RoadStopPool _roadstop_pool("RoadStop");
+INSTANTIATE_POOL_METHODS(RoadStop)
+
+/** De-Initializes a RoadStops. This includes clearing all slots that vehicles might
+  * have and unlinks it from the linked list of road stops at the given station
+  */
+RoadStop::~RoadStop()
+{
+	if (CleaningPool()) return;
+
+	/* Clear the slot assignment of all vehicles heading for this road stop */
+	if (this->num_vehicles != 0) {
+		RoadVehicle *rv;
+		FOR_ALL_ROADVEHICLES(rv) {
+			if (rv->slot == this) ClearSlot(rv);
+		}
+	}
+	assert(this->num_vehicles == 0);
+}
+
+/**
+ * Get the next road stop accessible by this vehicle.
+ * @param v the vehicle to get the next road stop for.
+ * @return the next road stop accessible.
+ */
+RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const
+{
+	for (RoadStop *rs = this->next; rs != NULL; rs = rs->next) {
+		/* The vehicle cannot go to this roadstop (different roadtype) */
+		if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
+		/* The vehicle is articulated and can therefor not go the a standard road stop */
+		if (IsStandardRoadStopTile(rs->xy) && RoadVehHasArticPart(v)) continue;
+
+		/* The vehicle can actually go to this road stop. So, return it! */
+		return rs;
+	}
+
+	return NULL;
+}
+
+void InitializeRoadStops()
+{
+	_roadstop_pool.CleanPool();
+}