From aedd38255b2bc961d95a53cf784c3110711e05e3 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Sat, 16 Apr 2011 16:41:02 +0000
Subject: [PATCH] (svn r22327) -Add: Vehicle::GetGroundVehicleFlags() for
 accessing GroundVehicle<>::gv_flags through a Vehicle struct.

---
 src/vehicle.cpp    | 30 ++++++++++++++++++++++++++++++
 src/vehicle_base.h |  3 +++
 2 files changed, 33 insertions(+)

diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index f4f38bd9cd..38437c1b92 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -2391,6 +2391,36 @@ const GroundVehicleCache *Vehicle::GetGroundVehicleCache() const
 	}
 }
 
+/**
+ * Access the ground vehicle flags of the vehicle.
+ * @pre The vehicle is a #GroundVehicle.
+ * @return #GroundVehicleFlags of the vehicle.
+ */
+uint16 &Vehicle::GetGroundVehicleFlags()
+{
+	assert(this->IsGroundVehicle());
+	if (this->type == VEH_TRAIN) {
+		return Train::From(this)->gv_flags;
+	} else {
+		return RoadVehicle::From(this)->gv_flags;
+	}
+}
+
+/**
+ * Access the ground vehicle flags of the vehicle.
+ * @pre The vehicle is a #GroundVehicle.
+ * @return #GroundVehicleFlags of the vehicle.
+ */
+const uint16 &Vehicle::GetGroundVehicleFlags() const
+{
+	assert(this->IsGroundVehicle());
+	if (this->type == VEH_TRAIN) {
+		return Train::From(this)->gv_flags;
+	} else {
+		return RoadVehicle::From(this)->gv_flags;
+	}
+}
+
 /**
  * Calculates the set of vehicles that will be affected by a given selection.
  * @param set [inout] Set of affected vehicles.
diff --git a/src/vehicle_base.h b/src/vehicle_base.h
index baf99d3987..a673bcfd1e 100644
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -249,6 +249,9 @@ public:
 	GroundVehicleCache *GetGroundVehicleCache();
 	const GroundVehicleCache *GetGroundVehicleCache() const;
 
+	uint16 &GetGroundVehicleFlags();
+	const uint16 &GetGroundVehicleFlags() const;
+
 	void DeleteUnreachedAutoOrders();
 
 	void HandleLoading(bool mode = false);