src/ship_cmd.c
changeset 5584 1111b4d36e35
parent 5583 136d8764c7e6
child 5585 189f096bc9a3
--- a/src/ship_cmd.c	Wed Jan 10 16:31:40 2007 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1110 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "ship.h"
-#include "table/strings.h"
-#include "functions.h"
-#include "map.h"
-#include "tile.h"
-#include "vehicle.h"
-#include "command.h"
-#include "pathfind.h"
-#include "station_map.h"
-#include "station.h"
-#include "news.h"
-#include "engine.h"
-#include "player.h"
-#include "sound.h"
-#include "npf.h"
-#include "depot.h"
-#include "vehicle_gui.h"
-#include "newgrf_engine.h"
-#include "water_map.h"
-#include "yapf/yapf.h"
-#include "debug.h"
-#include "newgrf_callbacks.h"
-#include "newgrf_text.h"
-#include "newgrf_sound.h"
-#include "date.h"
-
-static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
-static const byte _ship_sometracks[4] = {0x19, 0x16, 0x25, 0x2A};
-
-static byte GetTileShipTrackStatus(TileIndex tile)
-{
-	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);
-	return r | r >> 8;
-}
-
-void DrawShipEngine(int x, int y, EngineID engine, uint32 image_ormod)
-{
-	int spritenum = ShipVehInfo(engine)->image_index;
-
-	if (is_custom_sprite(spritenum)) {
-		int sprite = GetCustomVehicleIcon(engine, DIR_W);
-
-		if (sprite != 0) {
-			DrawSprite(sprite | image_ormod, x, y);
-			return;
-		}
-		spritenum = orig_ship_vehicle_info[engine - SHIP_ENGINES_INDEX].image_index;
-	}
-	DrawSprite((6 + _ship_sprites[spritenum]) | image_ormod, x, y);
-}
-
-int GetShipImage(const Vehicle* v, Direction direction)
-{
-	int spritenum = v->spritenum;
-
-	if (is_custom_sprite(spritenum)) {
-		int sprite = GetCustomVehicleSprite(v, direction);
-
-		if (sprite != 0) return sprite;
-		spritenum = orig_ship_vehicle_info[v->engine_type - SHIP_ENGINES_INDEX].image_index;
-	}
-	return _ship_sprites[spritenum] + direction;
-}
-
-static const Depot* FindClosestShipDepot(const Vehicle* v)
-{
-	const Depot* depot;
-	const Depot* best_depot = NULL;
-	uint dist;
-	uint best_dist = (uint)-1;
-	TileIndex tile;
-	TileIndex tile2 = v->tile;
-
-	if (_patches.new_pathfinding_all) {
-		NPFFoundTargetData ftd;
-		byte trackdir = GetVehicleTrackdir(v);
-		ftd = NPFRouteToDepotTrialError(v->tile, trackdir, TRANSPORT_WATER, v->owner, INVALID_RAILTYPE);
-		if (ftd.best_bird_dist == 0) {
-			best_depot = GetDepotByTile(ftd.node.tile); /* Found target */
-		} else {
-			best_depot = NULL; /* Did not find target */
-		}
-	} else {
-		FOR_ALL_DEPOTS(depot) {
-			tile = depot->xy;
-			if (IsTileDepotType(tile, TRANSPORT_WATER) && IsTileOwner(tile, v->owner)) {
-				dist = DistanceManhattan(tile, tile2);
-				if (dist < best_dist) {
-					best_dist = dist;
-					best_depot = depot;
-				}
-			}
-		}
-	}
-	return best_depot;
-}
-
-static void CheckIfShipNeedsService(Vehicle *v)
-{
-	const Depot* depot;
-
-	if (_patches.servint_ships == 0) return;
-	if (!VehicleNeedsService(v))     return;
-	if (v->vehstatus & VS_STOPPED)   return;
-
-	if (v->current_order.type == OT_GOTO_DEPOT &&
-			v->current_order.flags & OF_HALT_IN_DEPOT)
-		return;
-
-	if (_patches.gotodepot && VehicleHasDepotOrders(v)) return;
-
-	if (IsShipInDepot(v)) {
-		VehicleServiceInDepot(v);
-		return;
-	}
-
-	depot = FindClosestShipDepot(v);
-
-	if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {
-		if (v->current_order.type == OT_GOTO_DEPOT) {
-			v->current_order.type = OT_DUMMY;
-			v->current_order.flags = 0;
-			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-		}
-		return;
-	}
-
-	v->current_order.type = OT_GOTO_DEPOT;
-	v->current_order.flags = OF_NON_STOP;
-	v->current_order.dest = depot->index;
-	v->dest_tile = depot->xy;
-	InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-}
-
-void OnNewDay_Ship(Vehicle *v)
-{
-	int32 cost;
-
-	if ((++v->day_counter & 7) == 0)
-		DecreaseVehicleValue(v);
-
-	CheckVehicleBreakdown(v);
-	AgeVehicle(v);
-	CheckIfShipNeedsService(v);
-
-	CheckOrders(v);
-
-	if (v->vehstatus & VS_STOPPED) return;
-
-	cost = ShipVehInfo(v->engine_type)->running_cost * _price.ship_running / 364;
-	v->profit_this_year -= cost >> 8;
-
-	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);
-	SubtractMoneyFromPlayerFract(v->owner, cost);
-
-	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
-	//we need this for the profit
-	InvalidateWindowClasses(WC_SHIPS_LIST);
-}
-
-static void HandleBrokenShip(Vehicle *v)
-{
-	if (v->breakdown_ctr != 1) {
-		v->breakdown_ctr = 1;
-		v->cur_speed = 0;
-
-		if (v->breakdowns_since_last_service != 255)
-			v->breakdowns_since_last_service++;
-
-		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
-		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
-
-		if (!PlayVehicleSound(v, VSE_BREAKDOWN)) {
-			SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?
-				SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
-		}
-
-		if (!(v->vehstatus & VS_HIDDEN)) {
-			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
-			if (u != NULL) u->u.special.unk0 = v->breakdown_delay * 2;
-		}
-	}
-
-	if (!(v->tick_counter & 1)) {
-		if (!--v->breakdown_delay) {
-			v->breakdown_ctr = 0;
-			InvalidateWindow(WC_VEHICLE_VIEW, v->index);
-		}
-	}
-}
-
-static void MarkShipDirty(Vehicle *v)
-{
-	v->cur_image = GetShipImage(v, v->direction);
-	MarkAllViewportsDirty(v->left_coord, v->top_coord, v->right_coord + 1, v->bottom_coord + 1);
-}
-
-static void PlayShipSound(Vehicle *v)
-{
-	if (!PlayVehicleSound(v, VSE_START)) {
-		SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
-	}
-}
-
-static void ProcessShipOrder(Vehicle *v)
-{
-	const Order *order;
-
-	switch (v->current_order.type) {
-		case OT_GOTO_DEPOT:
-			if (!(v->current_order.flags & OF_PART_OF_ORDERS)) return;
-			if (v->current_order.flags & OF_SERVICE_IF_NEEDED &&
-					!VehicleNeedsService(v)) {
-				v->cur_order_index++;
-			}
-			break;
-
-		case OT_LOADING:
-		case OT_LEAVESTATION:
-			return;
-
-		default: break;
-	}
-
-	if (v->cur_order_index >= v->num_orders) v->cur_order_index = 0;
-
-	order = GetVehicleOrder(v, v->cur_order_index);
-
-	if (order == NULL) {
-		v->current_order.type  = OT_NOTHING;
-		v->current_order.flags = 0;
-		v->dest_tile = 0;
-		return;
-	}
-
-	if (order->type  == v->current_order.type &&
-			order->flags == v->current_order.flags &&
-			order->dest  == v->current_order.dest)
-		return;
-
-	v->current_order = *order;
-
-	if (order->type == OT_GOTO_STATION) {
-		const Station *st;
-
-		if (order->dest == v->last_station_visited)
-			v->last_station_visited = INVALID_STATION;
-
-		st = GetStation(order->dest);
-		if (st->dock_tile != 0) {
-			v->dest_tile = TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
-		}
-	} else if (order->type == OT_GOTO_DEPOT) {
-		v->dest_tile = GetDepot(order->dest)->xy;
-	} else {
-		v->dest_tile = 0;
-	}
-
-	InvalidateVehicleOrder(v);
-
-	InvalidateWindowClasses(WC_SHIPS_LIST);
-}
-
-static void HandleShipLoading(Vehicle *v)
-{
-	if (v->current_order.type == OT_NOTHING) return;
-
-	if (v->current_order.type != OT_DUMMY) {
-		if (v->current_order.type != OT_LOADING) return;
-		if (--v->load_unload_time_rem) return;
-
-		if (CanFillVehicle(v) && (v->current_order.flags & OF_FULL_LOAD ||
-				(_patches.gradual_loading && !HASBIT(v->load_status, LS_LOADING_FINISHED)))) {
-			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);
-			if (LoadUnloadVehicle(v, false)) {
-				InvalidateWindow(WC_SHIPS_LIST, v->owner);
-				MarkShipDirty(v);
-			}
-			return;
-		}
-		PlayShipSound(v);
-
-		{
-			Order b = v->current_order;
-			v->current_order.type = OT_LEAVESTATION;
-			v->current_order.flags = 0;
-			if (!(b.flags & OF_NON_STOP)) return;
-		}
-	}
-
-	v->cur_order_index++;
-	InvalidateVehicleOrder(v);
-}
-
-static void UpdateShipDeltaXY(Vehicle *v, int dir)
-{
-#define MKIT(d,c,b,a) ((a&0xFF)<<24) | ((b&0xFF)<<16) | ((c&0xFF)<<8) | ((d&0xFF)<<0)
-	static const uint32 _delta_xy_table[8] = {
-		MKIT( -3,  -3,  6,  6),
-		MKIT(-16,  -3, 32,  6),
-		MKIT( -3,  -3,  6,  6),
-		MKIT( -3, -16,  6, 32),
-		MKIT( -3,  -3,  6,  6),
-		MKIT(-16,  -3, 32,  6),
-		MKIT( -3,  -3,  6,  6),
-		MKIT( -3, -16,  6, 32),
-	};
-#undef MKIT
-	uint32 x = _delta_xy_table[dir];
-	v->x_offs        = GB(x,  0, 8);
-	v->y_offs        = GB(x,  8, 8);
-	v->sprite_width  = GB(x, 16, 8);
-	v->sprite_height = GB(x, 24, 8);
-}
-
-void RecalcShipStuff(Vehicle *v)
-{
-	UpdateShipDeltaXY(v, v->direction);
-	v->cur_image = GetShipImage(v, v->direction);
-	MarkShipDirty(v);
-	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
-}
-
-static const TileIndexDiffC _ship_leave_depot_offs[] = {
-	{-1,  0},
-	{ 0, -1}
-};
-
-static void CheckShipLeaveDepot(Vehicle *v)
-{
-	TileIndex tile;
-	Axis axis;
-	uint m;
-
-	if (!IsShipInDepot(v)) return;
-
-	tile = v->tile;
-	axis = GetShipDepotAxis(tile);
-
-	// Check first side
-	if (_ship_sometracks[axis] & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
-		m = (axis == AXIS_X) ? 0x101 : 0x207;
-	// Check second side
-	} else if (_ship_sometracks[axis + 2] & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
-		m = (axis == AXIS_X) ? 0x105 : 0x203;
-	} else {
-		return;
-	}
-	v->direction    = GB(m, 0, 8);
-	v->u.ship.state = GB(m, 8, 8);
-	v->vehstatus &= ~VS_HIDDEN;
-
-	v->cur_speed = 0;
-	RecalcShipStuff(v);
-
-	PlayShipSound(v);
-	VehicleServiceInDepot(v);
-	InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
-	InvalidateWindowClasses(WC_SHIPS_LIST);
-}
-
-static bool ShipAccelerate(Vehicle *v)
-{
-	uint spd;
-	byte t;
-
-	spd = min(v->cur_speed + 1, v->max_speed);
-
-	//updates statusbar only if speed have changed to save CPU time
-	if (spd != v->cur_speed) {
-		v->cur_speed = spd;
-		if (_patches.vehicle_speed)
-			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-	}
-
-	// Decrease somewhat when turning
-	if (!(v->direction & 1)) spd = spd * 3 / 4;
-
-	if (spd == 0) return false;
-	if ((byte)++spd == 0) return true;
-
-	v->progress = (t = v->progress) - (byte)spd;
-
-	return (t < v->progress);
-}
-
-static int32 EstimateShipCost(EngineID engine_type)
-{
-	return ShipVehInfo(engine_type)->base_cost * (_price.ship_base>>3)>>5;
-}
-
-static void ShipArrivesAt(const Vehicle* v, Station* st)
-{
-	/* Check if station was ever visited before */
-	if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
-		uint32 flags;
-
-		st->had_vehicle_of_type |= HVOT_SHIP;
-
-		SetDParam(0, st->index);
-		flags = (v->owner == _local_player) ? NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ARRIVAL_PLAYER, 0) : NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ARRIVAL_OTHER, 0);
-		AddNewsItem(
-			STR_9833_CITIZENS_CELEBRATE_FIRST,
-			flags,
-			v->index,
-			0);
-	}
-}
-
-typedef struct {
-	TileIndex skiptile;
-	TileIndex dest_coords;
-	uint best_bird_dist;
-	uint best_length;
-} PathFindShip;
-
-static bool ShipTrackFollower(TileIndex tile, PathFindShip *pfs, int track, uint length, byte *state)
-{
-	// Found dest?
-	if (tile == pfs->dest_coords) {
-		pfs->best_bird_dist = 0;
-
-		pfs->best_length = minu(pfs->best_length, length);
-		return true;
-	}
-
-	// Skip this tile in the calculation
-	if (tile != pfs->skiptile) {
-		pfs->best_bird_dist = minu(pfs->best_bird_dist, DistanceMaxPlusManhattan(pfs->dest_coords, tile));
-	}
-
-	return false;
-}
-
-static const byte _ship_search_directions[6][4] = {
-	{ 0, 9, 2, 9 },
-	{ 9, 1, 9, 3 },
-	{ 9, 0, 3, 9 },
-	{ 1, 9, 9, 2 },
-	{ 3, 2, 9, 9 },
-	{ 9, 9, 1, 0 },
-};
-
-static const byte _pick_shiptrack_table[6] = {1, 3, 2, 2, 0, 0};
-
-static uint FindShipTrack(Vehicle *v, TileIndex tile, int dir, uint bits, TileIndex skiptile, int *track)
-{
-	PathFindShip pfs;
-	int i, best_track;
-	uint best_bird_dist = 0;
-	uint best_length    = 0;
-	uint r;
-	byte ship_dir = v->direction & 3;
-
-	pfs.dest_coords = v->dest_tile;
-	pfs.skiptile = skiptile;
-
-	best_track = -1;
-
-	do {
-		i = FIND_FIRST_BIT(bits);
-		bits = KILL_FIRST_BIT(bits);
-
-		pfs.best_bird_dist = (uint)-1;
-		pfs.best_length = (uint)-1;
-
-		FollowTrack(tile, 0x3800 | TRANSPORT_WATER, _ship_search_directions[i][dir], (TPFEnumProc*)ShipTrackFollower, NULL, &pfs);
-
-		if (best_track >= 0) {
-			if (pfs.best_bird_dist != 0) {
-				/* neither reached the destination, pick the one with the smallest bird dist */
-				if (pfs.best_bird_dist > best_bird_dist) goto bad;
-				if (pfs.best_bird_dist < best_bird_dist) goto good;
-			} else {
-				if (pfs.best_length > best_length) goto bad;
-				if (pfs.best_length < best_length) goto good;
-			}
-
-			/* if we reach this position, there's two paths of equal value so far.
-			 * pick one randomly. */
-			r = GB(Random(), 0, 8);
-			if (_pick_shiptrack_table[i] == ship_dir) r += 80;
-			if (_pick_shiptrack_table[best_track] == ship_dir) r -= 80;
-			if (r <= 127) goto bad;
-		}
-good:;
-		best_track = i;
-		best_bird_dist = pfs.best_bird_dist;
-		best_length = pfs.best_length;
-bad:;
-
-	} while (bits != 0);
-
-	*track = best_track;
-	return best_bird_dist;
-}
-
-static inline NPFFoundTargetData PerfNPFRouteToStationOrTile(TileIndex tile, Trackdir trackdir, NPFFindStationOrTileData* target, TransportType type, Owner owner, RailTypeMask railtypes)
-{
-
-	void* perf = NpfBeginInterval();
-	NPFFoundTargetData ret = NPFRouteToStationOrTile(tile, trackdir, target, type, owner, railtypes);
-	int t = NpfEndInterval(perf);
-	DEBUG(yapf, 4, "[NPFW] %d us - %d rounds - %d open - %d closed -- ", t, 0, _aystar_stats_open_size, _aystar_stats_closed_size);
-	return ret;
-}
-
-/* returns the track to choose on the next tile, or -1 when it's better to
- * reverse. The tile given is the tile we are about to enter, enterdir is the
- * direction in which we are entering the tile */
-static int ChooseShipTrack(Vehicle *v, TileIndex tile, int enterdir, uint tracks)
-{
-	assert(enterdir>=0 && enterdir<=3);
-
-	if (_patches.yapf.ship_use_yapf) {
-		Trackdir trackdir = YapfChooseShipTrack(v, tile, enterdir, tracks);
-		return (trackdir != INVALID_TRACKDIR) ? (int)TrackdirToTrack(trackdir) : -1;
-	} else if (_patches.new_pathfinding_all) {
-		NPFFindStationOrTileData fstd;
-		NPFFoundTargetData ftd;
-		TileIndex src_tile = TILE_ADD(tile, TileOffsByDiagDir(ReverseDiagDir(enterdir)));
-		byte trackdir = GetVehicleTrackdir(v);
-		assert (trackdir != 0xFF); /* Check that we are not in a depot */
-
-		NPFFillWithOrderData(&fstd, v);
-
-		ftd = PerfNPFRouteToStationOrTile(src_tile, trackdir, &fstd, TRANSPORT_WATER, v->owner, INVALID_RAILTYPE);
-
-		if (ftd.best_trackdir != 0xff) {
-			/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
-			the direction we need to take to get there, if ftd.best_bird_dist is not 0,
-			we did not find our target, but ftd.best_trackdir contains the direction leading
-			to the tile closest to our target. */
-			return ftd.best_trackdir & 7; /* TODO: Wrapper function? */
-		} else {
-			return -1; /* Already at target, reverse? */
-		}
-	} else {
-		uint b;
-		uint tot_dist, dist;
-		int track;
-		TileIndex tile2;
-
-		tile2 = TILE_ADD(tile, -TileOffsByDiagDir(enterdir));
-		tot_dist = (uint)-1;
-
-		/* Let's find out how far it would be if we would reverse first */
-		b = GetTileShipTrackStatus(tile2) & _ship_sometracks[ReverseDiagDir(enterdir)] & v->u.ship.state;
-		if (b != 0) {
-			dist = FindShipTrack(v, tile2, ReverseDiagDir(enterdir), b, tile, &track);
-			if (dist != (uint)-1)
-				tot_dist = dist + 1;
-		}
-		/* And if we would not reverse? */
-		dist = FindShipTrack(v, tile, enterdir, tracks, 0, &track);
-		if (dist > tot_dist)
-			/* We could better reverse */
-			return -1;
-		return track;
-	}
-}
-
-static const Direction _new_vehicle_direction_table[] = {
-	DIR_N , DIR_NW, DIR_W , 0,
-	DIR_NE, DIR_N , DIR_SW, 0,
-	DIR_E , DIR_SE, DIR_S
-};
-
-static int ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
-{
-	uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
-							TileX(new_tile) - TileX(old_tile) + 1;
-	assert(offs < 11 && offs != 3 && offs != 7);
-	return _new_vehicle_direction_table[offs];
-}
-
-static int ShipGetNewDirection(Vehicle *v, int x, int y)
-{
-	uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
-	assert(offs < 11 && offs != 3 && offs != 7);
-	return _new_vehicle_direction_table[offs];
-}
-
-static int GetAvailShipTracks(TileIndex tile, int dir)
-{
-	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);
-	return (byte) ((r | r >> 8)) & _ship_sometracks[dir];
-}
-
-static const byte _ship_subcoord[4][6][3] = {
-	{
-		{15, 8, 1},
-		{ 0, 0, 0},
-		{ 0, 0, 0},
-		{15, 8, 2},
-		{15, 7, 0},
-		{ 0, 0, 0},
-	},
-	{
-		{ 0, 0, 0},
-		{ 8, 0, 3},
-		{ 7, 0, 2},
-		{ 0, 0, 0},
-		{ 8, 0, 4},
-		{ 0, 0, 0},
-	},
-	{
-		{ 0, 8, 5},
-		{ 0, 0, 0},
-		{ 0, 7, 6},
-		{ 0, 0, 0},
-		{ 0, 0, 0},
-		{ 0, 8, 4},
-	},
-	{
-		{ 0, 0, 0},
-		{ 8,15, 7},
-		{ 0, 0, 0},
-		{ 8,15, 6},
-		{ 0, 0, 0},
-		{ 7,15, 0},
-	}
-};
-
-static void ShipController(Vehicle *v)
-{
-	GetNewVehiclePosResult gp;
-	uint32 r;
-	const byte *b;
-	Direction dir;
-	int track;
-	int tracks;
-
-	v->tick_counter++;
-
-	if (v->breakdown_ctr != 0) {
-		if (v->breakdown_ctr <= 2) {
-			HandleBrokenShip(v);
-			return;
-		}
-		v->breakdown_ctr--;
-	}
-
-	if (v->vehstatus & VS_STOPPED) return;
-
-	ProcessShipOrder(v);
-	HandleShipLoading(v);
-
-	if (v->current_order.type == OT_LOADING) return;
-
-	CheckShipLeaveDepot(v);
-
-	if (!ShipAccelerate(v)) return;
-
-	BeginVehicleMove(v);
-
-	if (GetNewVehiclePos(v, &gp)) {
-		// staying in tile
-		if (IsShipInDepot(v)) {
-			gp.x = v->x_pos;
-			gp.y = v->y_pos;
-		} else {
-			/* isnot inside depot */
-			r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
-			if (r & 0x8) goto reverse_direction;
-
-			/* A leave station order only needs one tick to get processed, so we can
-			 * always skip ahead. */
-			if (v->current_order.type == OT_LEAVESTATION) {
-				v->current_order.type = OT_NOTHING;
-				v->current_order.flags = 0;
-				InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-			} else if (v->dest_tile != 0) {
-				/* We have a target, let's see if we reached it... */
-				if (v->current_order.type == OT_GOTO_STATION &&
-						IsBuoyTile(v->dest_tile) &&
-						DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
-					/* We got within 3 tiles of our target buoy, so let's skip to our
-					 * next order */
-					v->cur_order_index++;
-					v->current_order.type = OT_DUMMY;
-					InvalidateVehicleOrder(v);
-				} else {
-					/* Non-buoy orders really need to reach the tile */
-					if (v->dest_tile == gp.new_tile) {
-						if (v->current_order.type == OT_GOTO_DEPOT) {
-							if ((gp.x&0xF)==8 && (gp.y&0xF)==8) {
-								VehicleEnterDepot(v);
-								return;
-							}
-						} else if (v->current_order.type == OT_GOTO_STATION) {
-							Station *st;
-
-							v->last_station_visited = v->current_order.dest;
-
-							/* Process station in the orderlist. */
-							st = GetStation(v->current_order.dest);
-							if (st->facilities & FACIL_DOCK) { /* ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations */
-								v->current_order.type = OT_LOADING;
-								v->current_order.flags &= OF_FULL_LOAD | OF_UNLOAD | OF_TRANSFER;
-								v->current_order.flags |= OF_NON_STOP;
-								ShipArrivesAt(v, st);
-
-								SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);
-								if (LoadUnloadVehicle(v, true)) {
-									InvalidateWindow(WC_SHIPS_LIST, v->owner);
-									MarkShipDirty(v);
-								}
-								InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-							} else { /* leave stations without docks right aways */
-								v->current_order.type = OT_LEAVESTATION;
-								v->current_order.flags = 0;
-								v->cur_order_index++;
-								InvalidateVehicleOrder(v);
-							}
-						}
-					}
-				}
-			}
-		}
-	} else {
-		DiagDirection diagdir;
-		// new tile
-		if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY())
-			goto reverse_direction;
-
-		dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
-		assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
-		diagdir = DirToDiagDir(dir);
-		tracks = GetAvailShipTracks(gp.new_tile, diagdir);
-		if (tracks == 0)
-			goto reverse_direction;
-
-		// Choose a direction, and continue if we find one
-		track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
-		if (track < 0)
-			goto reverse_direction;
-
-		b = _ship_subcoord[diagdir][track];
-
-		gp.x = (gp.x&~0xF) | b[0];
-		gp.y = (gp.y&~0xF) | b[1];
-
-		/* Call the landscape function and tell it that the vehicle entered the tile */
-		r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
-		if (r&0x8) goto reverse_direction;
-
-		if (!(r&0x4)) {
-			v->tile = gp.new_tile;
-			v->u.ship.state = 1 << track;
-		}
-
-		v->direction = b[2];
-	}
-
-	/* update image of ship, as well as delta XY */
-	dir = ShipGetNewDirection(v, gp.x, gp.y);
-	v->x_pos = gp.x;
-	v->y_pos = gp.y;
-	v->z_pos = GetSlopeZ(gp.x, gp.y);
-
-getout:
-	UpdateShipDeltaXY(v, dir);
-	v->cur_image = GetShipImage(v, dir);
-	VehiclePositionChanged(v);
-	EndVehicleMove(v);
-	return;
-
-reverse_direction:
-	dir = ReverseDir(v->direction);
-	v->direction = dir;
-	goto getout;
-}
-
-static void AgeShipCargo(Vehicle *v)
-{
-	if (_age_cargo_skip_counter != 0) return;
-	if (v->cargo_days != 255) v->cargo_days++;
-}
-
-void Ship_Tick(Vehicle *v)
-{
-	AgeShipCargo(v);
-	ShipController(v);
-}
-
-
-void ShipsYearlyLoop(void)
-{
-	Vehicle *v;
-
-	FOR_ALL_VEHICLES(v) {
-		if (v->type == VEH_Ship) {
-			v->profit_last_year = v->profit_this_year;
-			v->profit_this_year = 0;
-			InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
-		}
-	}
-}
-
-/** Build a ship.
- * @param tile tile of depot where ship is built
- * @param p1 ship type being built (engine)
- * @param p2 bit 0 when set, the unitnumber will be 0, otherwise it will be a free number
- */
-int32 CmdBuildShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	int32 value;
-	Vehicle *v;
-	UnitID unit_num;
-	Engine *e;
-
-	if (!IsEngineBuildable(p1, VEH_Ship, _current_player)) return_cmd_error(STR_ENGINE_NOT_BUILDABLE);
-
-	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
-
-	value = EstimateShipCost(p1);
-	if (flags & DC_QUERY_COST) return value;
-
-	/* The ai_new queries the vehicle cost before building the route,
-	 * so we must check against cheaters no sooner than now. --pasky */
-	if (!IsTileDepotType(tile, TRANSPORT_WATER)) return CMD_ERROR;
-	if (!IsTileOwner(tile, _current_player)) return CMD_ERROR;
-
-	v = AllocateVehicle();
-	unit_num = HASBIT(p2, 0) ? 0 : GetFreeUnitNumber(VEH_Ship);
-
-	if (v == NULL || IsOrderPoolFull() || unit_num > _patches.max_ships)
-		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
-
-	if (flags & DC_EXEC) {
-		int x;
-		int y;
-
-		const ShipVehicleInfo *svi = ShipVehInfo(p1);
-
-		v->unitnumber = unit_num;
-
-		v->owner = _current_player;
-		v->tile = tile;
-		x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
-		y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
-		v->x_pos = x;
-		v->y_pos = y;
-		v->z_pos = GetSlopeZ(x,y);
-
-		v->z_height = 6;
-		v->sprite_width = 6;
-		v->sprite_height = 6;
-		v->x_offs = -3;
-		v->y_offs = -3;
-		v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
-
-		v->spritenum = svi->image_index;
-		v->cargo_type = svi->cargo_type;
-		v->cargo_subtype = 0;
-		v->cargo_cap = svi->capacity;
-		v->value = value;
-
-		v->last_station_visited = INVALID_STATION;
-		v->max_speed = svi->max_speed;
-		v->engine_type = p1;
-
-		e = GetEngine(p1);
-		v->reliability = e->reliability;
-		v->reliability_spd_dec = e->reliability_spd_dec;
-		v->max_age = e->lifelength * 366;
-		_new_vehicle_id = v->index;
-
-		v->string_id = STR_SV_SHIP_NAME;
-		v->u.ship.state = 0x80;
-
-		v->service_interval = _patches.servint_ships;
-		v->date_of_last_service = _date;
-		v->build_year = _cur_year;
-		v->cur_image = 0x0E5E;
-		v->type = VEH_Ship;
-		v->random_bits = VehicleRandomBits();
-
-		VehiclePositionChanged(v);
-		GetPlayer(_current_player)->num_engines[p1]++;
-
-		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
-		RebuildVehicleLists();
-		InvalidateWindow(WC_COMPANY, v->owner);
-		if (IsLocalPlayer())
-			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Ship); // updates the replace Ship window
-	}
-
-	return value;
-}
-
-/** Sell a ship.
- * @param tile unused
- * @param p1 vehicle ID to be sold
- * @param p2 unused
- */
-int32 CmdSellShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	Vehicle *v;
-
-	if (!IsValidVehicleID(p1)) return CMD_ERROR;
-
-	v = GetVehicle(p1);
-
-	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
-
-	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
-
-	if (!IsShipInDepotStopped(v)) {
-		return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
-	}
-
-	if (flags & DC_EXEC) {
-		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
-		RebuildVehicleLists();
-		InvalidateWindow(WC_COMPANY, v->owner);
-		DeleteWindowById(WC_VEHICLE_VIEW, v->index);
-		DeleteDepotHighlightOfVehicle(v);
-		DeleteVehicle(v);
-		if (IsLocalPlayer())
-			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Ship); // updates the replace Ship window
-	}
-
-	return -(int32)v->value;
-}
-
-/** Start/Stop a ship.
- * @param tile unused
- * @param p1 ship ID to start/stop
- * @param p2 unused
- */
-int32 CmdStartStopShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	Vehicle *v;
-	uint16 callback;
-
-	if (!IsValidVehicleID(p1)) return CMD_ERROR;
-
-	v = GetVehicle(p1);
-
-	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
-
-	/* Check if this ship can be started/stopped. The callback will fail or
-	 * return 0xFF if it can. */
-	callback = GetVehicleCallback(CBID_VEHICLE_START_STOP_CHECK, 0, 0, v->engine_type, v);
-	if (callback != CALLBACK_FAILED && callback != 0xFF) {
-		StringID error = GetGRFStringID(GetEngineGRFID(v->engine_type), 0xD000 + callback);
-		return_cmd_error(error);
-	}
-
-	if (flags & DC_EXEC) {
-		if (IsShipInDepotStopped(v)) {
-			DeleteVehicleNews(p1, STR_981C_SHIP_IS_WAITING_IN_DEPOT);
-		}
-
-		v->vehstatus ^= VS_STOPPED;
-		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
-		InvalidateWindowClasses(WC_SHIPS_LIST);
-	}
-
-	return 0;
-}
-
-/** Send a ship to the depot.
- * @param tile unused
- * @param p1 vehicle ID to send to the depot
- * @param p2 various bitmasked elements
- * - p2 bit 0-3 - DEPOT_ flags (see vehicle.h)
- * - p2 bit 8-10 - VLW flag (for mass goto depot)
- */
-int32 CmdSendShipToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	Vehicle *v;
-	const Depot *dep;
-
-	if (p2 & DEPOT_MASS_SEND) {
-		/* Mass goto depot requested */
-		if (!ValidVLWFlags(p2 & VLW_MASK)) return CMD_ERROR;
-		return SendAllVehiclesToDepot(VEH_Ship, flags, p2 & DEPOT_SERVICE, _current_player, (p2 & VLW_MASK), p1);
-	}
-
-	if (!IsValidVehicleID(p1)) return CMD_ERROR;
-
-	v = GetVehicle(p1);
-
-	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
-
-	if (v->vehstatus & VS_CRASHED) return CMD_ERROR;
-
-	if (IsShipInDepot(v)) return CMD_ERROR;
-
-	/* If the current orders are already goto-depot */
-	if (v->current_order.type == OT_GOTO_DEPOT) {
-		if (!!(p2 & DEPOT_SERVICE) == HASBIT(v->current_order.flags, OFB_HALT_IN_DEPOT)) {
-			/* We called with a different DEPOT_SERVICE setting.
-			 * Now we change the setting to apply the new one and let the vehicle head for the same depot.
-			 * Note: the if is (true for requesting service == true for ordered to stop in depot)          */
-			if (flags & DC_EXEC) {
-				TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT);
-				InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-			}
-			return 0;
-		}
-
-		if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of depot orders
-		if (flags & DC_EXEC) {
-			/* If the orders to 'goto depot' are in the orders list (forced servicing),
-			 * then skip to the next order; effectively cancelling this forced service */
-			if (HASBIT(v->current_order.flags, OFB_PART_OF_ORDERS))
-				v->cur_order_index++;
-
-			v->current_order.type = OT_DUMMY;
-			v->current_order.flags = 0;
-			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-		}
-		return 0;
-	}
-
-	dep = FindClosestShipDepot(v);
-	if (dep == NULL) return_cmd_error(STR_981A_UNABLE_TO_FIND_LOCAL_DEPOT);
-
-	if (flags & DC_EXEC) {
-		v->dest_tile = dep->xy;
-		v->current_order.type = OT_GOTO_DEPOT;
-		v->current_order.flags = OF_NON_STOP;
-		if (!(p2 & DEPOT_SERVICE)) SETBIT(v->current_order.flags, OFB_HALT_IN_DEPOT);
-		v->current_order.refit_cargo = CT_INVALID;
-		v->current_order.dest = dep->index;
-		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
-	}
-
-	return 0;
-}
-
-
-/** Refits a ship to the specified cargo type.
- * @param tile unused
- * @param p1 vehicle ID of the ship to refit
- * @param p2 various bitstuffed elements
- * - p2 = (bit 0-7) - the new cargo type to refit to (p2 & 0xFF)
- * - p2 = (bit 8-15) - the new cargo subtype to refit to
- */
-int32 CmdRefitShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	Vehicle *v;
-	int32 cost;
-	CargoID new_cid = GB(p2, 0, 8); //gets the cargo number
-	byte new_subtype = GB(p2, 8, 8);
-	uint16 capacity = CALLBACK_FAILED;
-
-	if (!IsValidVehicleID(p1)) return CMD_ERROR;
-
-	v = GetVehicle(p1);
-
-	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
-
-	if (!IsShipInDepotStopped(v)) {
-		return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
-	}
-
-	/* Check cargo */
-	if (!ShipVehInfo(v->engine_type)->refittable) return CMD_ERROR;
-	if (new_cid > NUM_CARGO || !CanRefitTo(v->engine_type, new_cid)) return CMD_ERROR;
-
-	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);
-
-	/* Check the refit capacity callback */
-	if (HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_REFIT_CAPACITY)) {
-		/* Back up the existing cargo type */
-		CargoID temp_cid = v->cargo_type;
-		byte temp_subtype = v->cargo_subtype;
-		v->cargo_type = new_cid;
-		v->cargo_subtype = new_subtype;
-
-		capacity = GetVehicleCallback(CBID_VEHICLE_REFIT_CAPACITY, 0, 0, v->engine_type, v);
-
-		/* Restore the cargo type */
-		v->cargo_type = temp_cid;
-		v->cargo_subtype = temp_subtype;
-	}
-
-	if (capacity == CALLBACK_FAILED) {
-		capacity = ShipVehInfo(v->engine_type)->capacity;
-	}
-	_returned_refit_capacity = capacity;
-
-	cost = 0;
-	if (IsHumanPlayer(v->owner) && new_cid != v->cargo_type) {
-		cost = GetRefitCost(v->engine_type);
-	}
-
-	if (flags & DC_EXEC) {
-		v->cargo_cap = capacity;
-		v->cargo_count = (v->cargo_type == new_cid) ? min(v->cargo_cap, v->cargo_count) : 0;
-		v->cargo_type = new_cid;
-		v->cargo_subtype = new_subtype;
-		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
-		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
-		RebuildVehicleLists();
-	}
-
-	return cost;
-
-}