--- a/src/rail.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/rail.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file rail.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "bridge_map.h"

--- a/src/rail_cmd.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/rail_cmd.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file rail_cmd.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "bridge_map.h"

--- a/src/rail_map.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/rail_map.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file rail_map.h Hides the direct accesses to the map array with map accessors */
+
 #ifndef RAIL_MAP_H
 #define RAIL_MAP_H
 

--- a/src/railtypes.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/railtypes.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,12 +1,12 @@
 /* $Id$ */
 
-#ifndef RAILTYPES_H
-#define RAILTYPES_H
-
 /** @file railtypes.h
  * All the railtype-specific information is stored here.
  */
 
+#ifndef RAILTYPES_H
+#define RAILTYPES_H
+
 /** Global Railtype definition
  */
 RailtypeInfo _railtypes[] = {

--- a/src/resource.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/resource.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file resource.h */
+
 //{{NO_DEPENDENCIES}}
 // Microsoft Developer Studio generated include file.
 // Used by ttd.rc

--- a/src/road.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road.h */
+
 #ifndef ROAD_H
 #define ROAD_H
 

--- a/src/road_cmd.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road_cmd.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road_cmd.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "bridge_map.h"
@@ -46,16 +48,16 @@
 
 	if (_game_mode == GM_EDITOR) return true;
 
-	// Only do the special processing for actual players.
+	/* Only do the special processing for actual players. */
 	if (!IsValidPlayer(_current_player)) return true;
 
-	// Only do the special processing if the road is owned
-	// by a town
+	/* Only do the special processing if the road is owned
+	 * by a town */
 	if (owner != OWNER_TOWN) return (owner == OWNER_NONE) || CheckOwnership(owner);
 
 	if (_cheats.magic_bulldozer.value) return true;
 
-	// Get a bitmask of which neighbouring roads has a tile
+	/* Get a bitmask of which neighbouring roads has a tile */
 	n = ROAD_NONE;
 	present = GetAnyRoadBits(tile);
 	if (present & ROAD_NE && GetAnyRoadBits(TILE_ADDXY(tile,-1, 0)) & ROAD_SW) n |= ROAD_NE;
@@ -63,12 +65,12 @@
 	if (present & ROAD_SW && GetAnyRoadBits(TILE_ADDXY(tile, 1, 0)) & ROAD_NE) n |= ROAD_SW;
 	if (present & ROAD_NW && GetAnyRoadBits(TILE_ADDXY(tile, 0,-1)) & ROAD_SE) n |= ROAD_NW;
 
-	// If 0 or 1 bits are set in n, or if no bits that match the bits to remove,
-	// then allow it
+	/* If 0 or 1 bits are set in n, or if no bits that match the bits to remove,
+	 * then allow it */
 	if ((n & (n - 1)) != 0 && (n & remove) != 0) {
 		Town *t;
 		*edge_road = false;
-		// you can remove all kind of roads with extra dynamite
+		/* you can remove all kind of roads with extra dynamite */
 		if (_patches.extra_dynamite) return true;
 
 		t = ClosestTownFromTile(tile, (uint)-1);
@@ -93,7 +95,7 @@
  */
 int32 CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 {
-	// cost for removing inner/edge -roads
+	/* cost for removing inner/edge -roads */
 	static const uint16 road_remove_cost[2] = {50, 18};
 
 	Owner owner;
@@ -120,8 +122,8 @@
 
 	if (!EnsureNoVehicle(tile)) return CMD_ERROR;
 
-	// check if you're allowed to remove the street owned by a town
-	// removal allowance depends on difficulty setting
+	/* check if you're allowed to remove the street owned by a town
+	 * removal allowance depends on difficulty setting */
 	if (!CheckforTownRating(flags, t, ROAD_REMOVE)) return CMD_ERROR;
 
 	switch (GetRoadTileType(tile)) {
@@ -137,7 +139,7 @@
 				c |= (RoadBits)((c & 0x3) << 2);
 			}
 
-			// limit the bits to delete to the existing bits.
+			/* limit the bits to delete to the existing bits. */
 			c &= present;
 			if (c == 0) return CMD_ERROR;
 
@@ -178,7 +180,7 @@
 
 
 static const RoadBits _valid_tileh_slopes_road[][15] = {
-	// set of normal ones
+	/* set of normal ones */
 	{
 		ROAD_ALL, ROAD_NONE, ROAD_NONE,
 		ROAD_X,   ROAD_NONE, ROAD_NONE,  // 3, 4, 5
@@ -186,7 +188,7 @@
 		ROAD_Y,   ROAD_NONE, ROAD_NONE,  // 9, 10, 11
 		ROAD_X,   ROAD_NONE, ROAD_NONE
 	},
-	// allowed road for an evenly raised platform
+	/* allowed road for an evenly raised platform */
 	{
 		ROAD_NONE,
 		ROAD_SW | ROAD_NW,
@@ -216,7 +218,7 @@
 
 	if (IsSteepSlope(tileh)) {
 		if (existing == 0) {
-			// force full pieces.
+			/* force full pieces. */
 			*pieces |= (RoadBits)((*pieces & 0xC) >> 2);
 			*pieces |= (RoadBits)((*pieces & 0x3) << 2);
 			if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
@@ -225,21 +227,21 @@
 	}
 	road_bits = *pieces | existing;
 
-	// no special foundation
+	/* no special foundation */
 	if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) {
-		// force that all bits are set when we have slopes
+		/* force that all bits are set when we have slopes */
 		if (tileh != SLOPE_FLAT) *pieces |= _valid_tileh_slopes_road[0][tileh];
 		return 0; // no extra cost
 	}
 
-	// foundation is used. Whole tile is leveled up
+	/* foundation is used. Whole tile is leveled up */
 	if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) {
 		return existing != 0 ? 0 : _price.terraform;
 	}
 
-	// partly leveled up tile, only if there's no road on that tile
+	/* partly leveled up tile, only if there's no road on that tile */
 	if (existing == 0 && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) {
-		// force full pieces.
+		/* force full pieces. */
 		*pieces |= (RoadBits)((*pieces & 0xC) >> 2);
 		*pieces |= (RoadBits)((*pieces & 0x3) << 2);
 		if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
@@ -349,7 +351,7 @@
 	cost += ret;
 
 	if (IsTileType(tile, MP_STREET)) {
-		// Don't put the pieces that already exist
+		/* Don't put the pieces that already exist */
 		pieces &= ComplementRoadBits(existing);
 	}
 
@@ -377,15 +379,15 @@
  */
 int32 DoConvertStreetRail(TileIndex tile, RailType totype, bool exec)
 {
-	// not a railroad crossing?
+	/* not a railroad crossing? */
 	if (!IsLevelCrossing(tile)) return CMD_ERROR;
 
-	// not owned by me?
+	/* not owned by me? */
 	if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) return CMD_ERROR;
 
 	if (GetRailType(tile) == totype) return CMD_ERROR;
 
-	// 'hidden' elrails can't be downgraded to normal rail when elrails are disabled
+	/* 'hidden' elrails can't be downgraded to normal rail when elrails are disabled */
 	if (_patches.disable_elrails && totype == RAILTYPE_RAIL && GetRailType(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR;
 
 	if (exec) {
@@ -431,7 +433,7 @@
 
 	cost = 0;
 	tile = start_tile;
-	// Start tile is the small number.
+	/* Start tile is the small number. */
 	for (;;) {
 		RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X;
 
@@ -487,14 +489,14 @@
 
 	cost = 0;
 	tile = start_tile;
-	// Start tile is the small number.
+	/* Start tile is the small number. */
 	for (;;) {
 		RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X;
 
 		if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE;
 		if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW;
 
-		// try to remove the halves.
+		/* try to remove the halves. */
 		if (bits != 0) {
 			ret = DoCommand(tile, bits, 0, flags, CMD_REMOVE_ROAD);
 			if (!CmdFailed(ret)) cost += ret;
@@ -621,13 +623,13 @@
 {
 	uint i;
 
-	// normal level sloped building
+	/* normal level sloped building */
 	if (!IsSteepSlope(tileh) &&
 			(~_valid_tileh_slopes_road[1][tileh] & bits) == 0) {
 		return tileh;
 	}
 
-	// inclined sloped building
+	/* inclined sloped building */
 	switch (bits) {
 		case ROAD_X: i = 0; break;
 		case ROAD_Y: i = 1; break;
@@ -672,8 +674,8 @@
 
 		if (foundation != 0) DrawFoundation(ti, foundation);
 
-		// DrawFoundation() modifies ti.
-		// Default sloped sprites..
+		/* DrawFoundation() modifies ti.
+		 * Default sloped sprites.. */
 		if (ti->tileh != SLOPE_FLAT) image = _road_sloped_sprites[ti->tileh - 1] + 0x53F;
 	}
 
@@ -695,15 +697,15 @@
 	DrawGroundSprite(image, pal);
 
 	if (HasRoadWorks(ti->tile)) {
-		// Road works
+		/* Road works */
 		DrawGroundSprite(road & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE);
 		return;
 	}
 
-	// Return if full detail is disabled, or we are zoomed fully out.
+	/* Return if full detail is disabled, or we are zoomed fully out. */
 	if (!(_display_opt & DO_FULL_DETAIL) || _cur_dpi->zoom == 2) return;
 
-	// Draw extra details.
+	/* Draw extra details. */
 	for (drts = _road_display_table[roadside][road]; drts->image != 0; drts++) {
 		int x = ti->x | drts->subcoord_x;
 		int y = ti->y | drts->subcoord_y;
@@ -896,7 +898,7 @@
 		if (t != NULL) {
 			grp = GetTownRadiusGroup(t, tile);
 
-			// Show an animation to indicate road work
+			/* Show an animation to indicate road work */
 			if (t->road_build_months != 0 &&
 					(DistanceManhattan(t->xy, tile) < 8 || grp != 0) &&
 					GetRoadTileType(tile) == ROAD_TILE_NORMAL && (GetRoadBits(tile) == ROAD_X || GetRoadBits(tile) == ROAD_Y)) {

--- a/src/road_cmd.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road_cmd.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road_cmd.h */
+
 #ifndef ROAD_CMD_H
 #define ROAD_CMD_H
 

--- a/src/road_gui.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road_gui.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road_gui.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "road_cmd.h"

--- a/src/road_map.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road_map.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road_map.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "bridge_map.h"

--- a/src/road_map.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/road_map.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file road_map.h */
+
 #ifndef ROAD_MAP_H
 #define ROAD_MAP_H
 

--- a/src/roadveh.h	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/roadveh.h	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file roadveh.h */
+
 #ifndef ROADVEH_H
 #define ROADVEH_H
 

--- a/src/roadveh_cmd.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/roadveh_cmd.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file roadveh_cmd.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "debug.h"
@@ -533,7 +535,7 @@
 {
 	byte new_z, old_z;
 
-	// need this hint so it returns the right z coordinate on bridges.
+	/* need this hint so it returns the right z coordinate on bridges. */
 	v->x_pos = x;
 	v->y_pos = y;
 	new_z = GetSlopeZ(x, y);
@@ -663,7 +665,7 @@
 
 	switch (v->current_order.type) {
 		case OT_GOTO_DEPOT:
-			// Let a depot order in the orderlist interrupt.
+			/* Let a depot order in the orderlist interrupt. */
 			if (!(v->current_order.flags & OF_PART_OF_ORDERS)) return;
 			if (v->current_order.flags & OF_SERVICE_IF_NEEDED &&
 					!VehicleNeedsService(v)) {
@@ -723,7 +725,7 @@
 				}
 				v->dest_tile = dest;
 			} else {
-				// There is no stop left at the station, so don't even TRY to go there
+				/* There is no stop left at the station, so don't even TRY to go there */
 				v->cur_order_index++;
 				v->dest_tile = 0;
 			}
@@ -828,10 +830,10 @@
 	rvf.veh = v;
 	u = (Vehicle*)VehicleFromPos(TileVirtXY(x, y), &rvf, EnumCheckRoadVehClose);
 
-	// This code protects a roadvehicle from being blocked for ever
-	//  If more than 1480 / 74 days a road vehicle is blocked, it will
-	//  drive just through it. The ultimate backup-code of TTD.
-	// It can be disabled.
+	/* This code protects a roadvehicle from being blocked for ever
+	 * If more than 1480 / 74 days a road vehicle is blocked, it will
+	 * drive just through it. The ultimate backup-code of TTD.
+	 * It can be disabled. */
 	if (u == NULL) {
 		v->u.road.blocked_ctr = 0;
 		return NULL;
@@ -881,13 +883,13 @@
 	uint spd = v->cur_speed + 1 + (v->u.road.overtaking != 0 ? 1 : 0);
 	byte t;
 
-	// Clamp
+	/* Clamp */
 	spd = min(spd, v->max_speed);
 	if (v->u.road.state == RVSB_WORMHOLE && !(v->vehstatus & VS_HIDDEN)) {
 		spd = min(spd, GetBridge(GetBridgeType(v->tile))->speed * 2);
 	}
 
-	//updates statusbar only if speed have changed to save CPU time
+	/* updates statusbar only if speed have changed to save CPU time */
 	if (spd != v->cur_speed) {
 		v->cur_speed = spd;
 		if (_patches.vehicle_speed) {
@@ -895,7 +897,7 @@
 		}
 	}
 
-	// Decrease somewhat when turning
+	/* Decrease somewhat when turning */
 	if (!(v->direction & 1)) spd = spd * 3 >> 2;
 
 	if (spd == 0) return false;
@@ -1153,9 +1155,9 @@
 
 		ftd = PerfNPFRouteToStationOrTile(tile - TileOffsByDiagDir(enterdir), trackdir, &fstd, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE);
 		if (ftd.best_trackdir == INVALID_TRACKDIR) {
-			/* We are already at our target. Just do something */
-			//TODO: maybe display error?
-			//TODO: go straight ahead if possible?
+			/* We are already at our target. Just do something
+			 * @todo: maybe display error?
+			 * @todo: go straight ahead if possible? */
 			return_track(FindFirstBit2x64(trackdirs));
 		} else {
 			/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
@@ -1223,10 +1225,10 @@
 {
 	uint dist;
 	if (_patches.yapf.road_use_yapf) {
-		// use YAPF
+		/* use YAPF */
 		dist = YapfRoadVehDistanceToTile(v, tile);
 	} else {
-		// use NPF
+		/* use NPF */
 		NPFFindStationOrTileData fstd;
 		Trackdir trackdir = GetVehicleTrackdir(v);
 		assert(trackdir != INVALID_TRACKDIR);
@@ -1235,7 +1237,7 @@
 		fstd.station_index = INVALID_STATION; // indicates that the destination is a tile, not a station
 
 		dist = NPFRouteToStationOrTile(v->tile, trackdir, &fstd, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE).best_path_dist;
-		// change units from NPF_TILE_LENGTH to # of tiles
+		/* change units from NPF_TILE_LENGTH to # of tiles */
 		if (dist != UINT_MAX)
 			dist = (dist + NPF_TILE_LENGTH - 1) / NPF_TILE_LENGTH;
 	}
@@ -1277,11 +1279,11 @@
 	int x,y;
 	uint32 r;
 
-	// decrease counters
+	/* decrease counters */
 	v->tick_counter++;
 	if (v->u.road.reverse_ctr != 0) v->u.road.reverse_ctr--;
 
-	// handle crashed
+	/* handle crashed */
 	if (v->u.road.crashed_ctr != 0) {
 		RoadVehIsCrashed(v);
 		return;
@@ -1289,7 +1291,7 @@
 
 	RoadVehCheckTrainCrash(v);
 
-	// road vehicle has broken down?
+	/* road vehicle has broken down? */
 	if (v->breakdown_ctr != 0) {
 		if (v->breakdown_ctr <= 2) {
 			HandleBrokenRoadVeh(v);
@@ -1628,9 +1630,9 @@
 			/* We are leaving the correct station */
 			ClearSlot(v);
 		} else if (v->u.road.slot != NULL) {
-			/* We are leaving the wrong station */
-			//XXX The question is .. what to do? Actually we shouldn't be here
-			//but I guess we need to clear the slot
+			/* We are leaving the wrong station
+			 * XXX The question is .. what to do? Actually we shouldn't be here
+			 * but I guess we need to clear the slot */
 			DEBUG(ms, 0, "Vehicle %d (index %d) arrived at wrong stop", v->unitnumber, v->index);
 			if (v->tile != v->dest_tile) {
 				DEBUG(ms, 2, " current tile 0x%X is not destination tile 0x%X. Route problem", v->tile, v->dest_tile);
@@ -1692,13 +1694,13 @@
 	if (v->vehstatus & VS_STOPPED) return;
 	if (_patches.gotodepot && VehicleHasDepotOrders(v)) return;
 
-	// Don't interfere with a depot visit scheduled by the user, or a
-	// depot visit by the order list.
+	/* Don't interfere with a depot visit scheduled by the user, or a
+	 * depot visit by the order list. */
 	if (v->current_order.type == OT_GOTO_DEPOT &&
 			(v->current_order.flags & (OF_HALT_IN_DEPOT | OF_PART_OF_ORDERS)) != 0)
 		return;
 
-	// If we already got a slot at a stop, use that FIRST, and go to a depot later
+	/* If we already got a slot at a stop, use that FIRST, and go to a depot later */
 	if (v->u.road.slot != NULL) return;
 
 	if (IsRoadVehInDepot(v)) {
@@ -1706,7 +1708,7 @@
 		return;
 	}
 
-	// XXX If we already have a depot order, WHY do we search over and over?
+	/* XXX If we already have a depot order, WHY do we search over and over? */
 	depot = FindClosestRoadDepot(v);
 
 	if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {
@@ -1743,7 +1745,7 @@
 
 	CheckOrders(v);
 
-	//Current slot has expired
+	/* Current slot has expired */
 	if (v->current_order.type == OT_GOTO_STATION && v->u.road.slot != NULL && v->u.road.slot_age-- == 0) {
 		DEBUG(ms, 3, "Slot expired for vehicle %d (index %d) at stop 0x%X",
 			v->unitnumber, v->index, v->u.road.slot->xy);

--- a/src/roadveh_gui.cpp	Wed Mar 28 20:12:32 2007 +0000
+++ b/src/roadveh_gui.cpp	Wed Mar 28 20:41:35 2007 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file roadveh_gui.cpp */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "debug.h"
@@ -34,7 +36,7 @@
 		StringID str;
 
 		SetWindowWidgetDisabledState(w, 2, v->owner != _local_player);
-		// disable service-scroller when interval is set to disabled
+		/* disable service-scroller when interval is set to disabled */
 		SetWindowWidgetDisabledState(w, 5, !_patches.servint_roadveh);
 		SetWindowWidgetDisabledState(w, 6, !_patches.servint_roadveh);