--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/newgrf_callbacks.h	Sun Feb 05 19:46:20 2006 +0000
@@ -0,0 +1,40 @@
+/* $Id$ */
+
+#ifndef NEWGRF_CALLBACKS_H
+#define NEWGRF_CALLBACKS_H
+
+/** @file newgrf_callbacks.h
+ */
+
+// This enum lists the implemented callbacks
+// Use as argument for the GetCallBackResult function (see comments there)
+enum CallbackID {
+	// Powered wagons, if the result is lower as 0x40 then the wagon is powered
+	// TODO: interpret the rest of the result, aka "visual effects"
+	CBID_WAGON_POWER = 0x10,
+
+	// Vehicle length, returns the amount of 1/8's the vehicle is shorter
+	// only for train vehicles
+	CBID_VEH_LENGTH = 0x11,
+
+	// Refit capacity, the passed vehicle needs to have its ->cargo_type set to
+	// the cargo we are refitting to, returns the new cargo capacity
+	CBID_REFIT_CAP = 0x15,
+
+	CBID_ARTIC_ENGINE = 0x16,
+};
+
+// bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
+// (some callbacks are always used, and dont appear here)
+enum CallbackMask {
+	CBM_WAGON_POWER = 0,
+	CBM_VEH_LENGTH = 1,
+	CBM_REFIT_CAP = 3,
+	CBM_ARTIC_ENGINE = 4,
+};
+
+enum {
+	CALLBACK_FAILED = 0xFFFF
+};
+
+#endif /* NEWGRF_CALLBACKS_H */

--- a/newgrf_engine.c	Sun Feb 05 14:47:15 2006 +0000
+++ b/newgrf_engine.c	Sun Feb 05 19:46:20 2006 +0000
@@ -7,6 +7,7 @@
 #include "string.h"
 #include "strings.h"
 #include "engine.h"
+#include "newgrf_callbacks.h"
 #include "newgrf_engine.h"
 #include "sprite.h"
 #include "variables.h"

--- a/newgrf_engine.h	Sun Feb 05 14:47:15 2006 +0000
+++ b/newgrf_engine.h	Sun Feb 05 19:46:20 2006 +0000
@@ -6,37 +6,6 @@
 /** @file newgrf_engine.h
  */
 
-// This enum lists the implemented callbacks
-// Use as argument for the GetCallBackResult function (see comments there)
-enum CallbackID {
-	// Powered wagons, if the result is lower as 0x40 then the wagon is powered
-	// TODO: interpret the rest of the result, aka "visual effects"
-	CBID_WAGON_POWER = 0x10,
-
-	// Vehicle length, returns the amount of 1/8's the vehicle is shorter
-	// only for train vehicles
-	CBID_VEH_LENGTH = 0x11,
-
-	// Refit capacity, the passed vehicle needs to have its ->cargo_type set to
-	// the cargo we are refitting to, returns the new cargo capacity
-	CBID_REFIT_CAP = 0x15,
-
-	CBID_ARTIC_ENGINE = 0x16,
-};
-
-// bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
-// (some callbacks are always used, and dont appear here)
-enum CallbackMask {
-	CBM_WAGON_POWER = 0,
-	CBM_VEH_LENGTH = 1,
-	CBM_REFIT_CAP = 3,
-	CBM_ARTIC_ENGINE = 4,
-};
-
-enum {
-	CALLBACK_FAILED = 0xFFFF
-};
-
 VARDEF const uint32 _default_refitmasks[NUM_VEHICLE_TYPES];
 VARDEF const CargoID _global_cargo_id[NUM_LANDSCAPE][NUM_CARGO];
 VARDEF const uint32 _landscape_global_cargo_mask[NUM_LANDSCAPE];

--- a/train_cmd.c	Sun Feb 05 14:47:15 2006 +0000
+++ b/train_cmd.c	Sun Feb 05 19:46:20 2006 +0000
@@ -22,6 +22,7 @@
 #include "waypoint.h"
 #include "vehicle_gui.h"
 #include "train.h"
+#include "newgrf_callbacks.h"
 #include "newgrf_engine.h"
 
 static bool TrainCheckIfLineEnds(Vehicle *v);