tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@507: #include "table/strings.h"
tron@2163: #include "functions.h"
tron@679: #include "map.h"
tron@1209: #include "tile.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "command.h"
truelight@0: #include "pathfind.h"
truelight@0: #include "station.h"
truelight@0: #include "news.h"
truelight@0: #include "engine.h"
truelight@0: #include "player.h"
tron@337: #include "sound.h"
matthijs@1247: #include "npf.h"
truelight@1313: #include "depot.h"
tron@2159: #include "vehicle_gui.h"
truelight@0: 
truelight@0: static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
truelight@0: static const byte _ship_sometracks[4] = {0x19, 0x16, 0x25, 0x2A};
truelight@0: 
tron@1977: static byte GetTileShipTrackStatus(TileIndex tile)
tron@1977: {
truelight@159: 	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);
truelight@0: 	return r | r >> 8;
truelight@0: }
truelight@0: 
tron@2477: void DrawShipEngine(int x, int y, EngineID engine, uint32 image_ormod)
truelight@0: {
tron@538: 	int spritenum = ShipVehInfo(engine)->image_index;
truelight@0: 
truelight@0: 	if (is_custom_sprite(spritenum)) {
darkvater@358: 		int sprite = GetCustomVehicleIcon(engine, 6);
truelight@0: 
tron@2639: 		if (sprite != 0) {
truelight@0: 			DrawSprite(sprite | image_ormod, x, y);
truelight@0: 			return;
truelight@0: 		}
peter1138@2464: 		spritenum = orig_ship_vehicle_info[engine - SHIP_ENGINES_INDEX].image_index;
truelight@0: 	}
truelight@0: 	DrawSprite((6 + _ship_sprites[spritenum]) | image_ormod, x, y);
truelight@0: }
truelight@0: 
Darkvater@1790: int GetShipImage(const Vehicle *v, byte direction)
truelight@0: {
truelight@0: 	int spritenum = v->spritenum;
truelight@0: 
truelight@0: 	if (is_custom_sprite(spritenum)) {
truelight@0: 		int sprite = GetCustomVehicleSprite(v, direction);
truelight@0: 
tron@2639: 		if (sprite != 0) return sprite;
peter1138@2464: 		spritenum = orig_ship_vehicle_info[v->engine_type - SHIP_ENGINES_INDEX].image_index;
truelight@0: 	}
truelight@0: 	return _ship_sprites[spritenum] + direction;
truelight@0: }
truelight@0: 
tron@2630: static const Depot* FindClosestShipDepot(const Vehicle* v)
truelight@0: {
tron@2630: 	const Depot* depot;
tron@2630: 	const Depot* best_depot = NULL;
tron@1977: 	uint dist;
tron@1977: 	uint best_dist = (uint)-1;
tron@1977: 	TileIndex tile;
tron@1977: 	TileIndex tile2 = v->tile;
truelight@0: 
matthijs@1247: 	if (_patches.new_pathfinding_all) {
matthijs@1247: 		NPFFoundTargetData ftd;
matthijs@1752: 		byte trackdir = GetVehicleTrackdir(v);
matthijs@2006: 		ftd = NPFRouteToDepotTrialError(v->tile, trackdir, TRANSPORT_WATER, v->owner, INVALID_RAILTYPE);
tron@2639: 		if (ftd.best_bird_dist == 0) {
truelight@1313: 			best_depot = GetDepotByTile(ftd.node.tile); /* Found target */
tron@2639: 		} else {
truelight@1313: 			best_depot = NULL; /* Did not find target */
tron@2639: 		}
matthijs@1247: 	} else {
truelight@1313: 		FOR_ALL_DEPOTS(depot) {
truelight@1313: 			tile = depot->xy;
matthijs@1330: 			if (IsValidDepot(depot) && IsTileDepotType(tile, TRANSPORT_WATER) && IsTileOwner(tile, v->owner)) {
matthijs@1247: 				dist = DistanceManhattan(tile, tile2);
matthijs@1247: 				if (dist < best_dist) {
matthijs@1247: 					best_dist = dist;
truelight@1313: 					best_depot = depot;
matthijs@1247: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return best_depot;
truelight@0: }
truelight@0: 
truelight@0: static void CheckIfShipNeedsService(Vehicle *v)
truelight@0: {
tron@2630: 	const Depot* depot;
truelight@0: 
tron@2639: 	if (_patches.servint_ships == 0) return;
tron@2639: 	if (!VehicleNeedsService(v))     return;
tron@2639: 	if (v->vehstatus & VS_STOPPED)   return;
truelight@193: 
tron@555: 	if (v->current_order.type == OT_GOTO_DEPOT &&
celestar@1530: 			v->current_order.flags & OF_HALT_IN_DEPOT)
truelight@0: 		return;
truelight@0: 
tron@2639: 	if (_patches.gotodepot && VehicleHasDepotOrders(v)) return;
truelight@0: 
truelight@1313: 	depot = FindClosestShipDepot(v);
truelight@0: 
truelight@1313: 	if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {
tron@555: 		if (v->current_order.type == OT_GOTO_DEPOT) {
tron@555: 			v->current_order.type = OT_DUMMY;
tron@555: 			v->current_order.flags = 0;
darkvater@755: 			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 		}
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
tron@555: 	v->current_order.type = OT_GOTO_DEPOT;
tron@555: 	v->current_order.flags = OF_NON_STOP;
truelight@1313: 	v->current_order.station = depot->index;
truelight@1313: 	v->dest_tile = depot->xy;
darkvater@755: 	InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: }
truelight@0: 
truelight@0: void OnNewDay_Ship(Vehicle *v)
truelight@0: {
truelight@0: 	int32 cost;
truelight@0: 
truelight@0: 	if ((++v->day_counter & 7) == 0)
truelight@0: 		DecreaseVehicleValue(v);
truelight@0: 
truelight@0: 	CheckVehicleBreakdown(v);
truelight@0: 	AgeVehicle(v);
truelight@0: 	CheckIfShipNeedsService(v);
truelight@0: 
celestar@1053: 	CheckOrders(v->index, OC_INIT);
truelight@193: 
tron@2639: 	if (v->vehstatus & VS_STOPPED) return;
dominik@19: 
tron@538: 	cost = ShipVehInfo(v->engine_type)->running_cost * _price.ship_running / 364;
truelight@0: 	v->profit_this_year -= cost >> 8;
truelight@0: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);
truelight@0: 	SubtractMoneyFromPlayerFract(v->owner, cost);
truelight@0: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
Celestar@1055: 	//we need this for the profit
Celestar@1055: 	InvalidateWindowClasses(WC_SHIPS_LIST);
truelight@0: }
truelight@0: 
truelight@0: static void HandleBrokenShip(Vehicle *v)
truelight@0: {
truelight@0: 	if (v->breakdown_ctr != 1) {
truelight@0: 		v->breakdown_ctr = 1;
truelight@0: 		v->cur_speed = 0;
truelight@0: 
truelight@0: 		if (v->breakdowns_since_last_service != 255)
truelight@0: 			v->breakdowns_since_last_service++;
truelight@193: 
truelight@0: 		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@0: 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@193: 
tron@541: 		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?
tron@541: 			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
truelight@0: 
truelight@0: 		if (!(v->vehstatus & VS_HIDDEN)) {
truelight@0: 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
tron@2639: 			if (u != NULL) u->u.special.unk0 = v->breakdown_delay * 2;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (!(v->tick_counter & 1)) {
truelight@0: 		if (!--v->breakdown_delay) {
truelight@0: 			v->breakdown_ctr = 0;
bjarni@1151: 			InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void MarkShipDirty(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = GetShipImage(v, v->direction);
truelight@0: 	MarkAllViewportsDirty(v->left_coord, v->top_coord, v->right_coord + 1, v->bottom_coord + 1);
truelight@0: }
truelight@0: 
truelight@0: static void PlayShipSound(Vehicle *v)
truelight@0: {
tron@538: 	SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);
truelight@0: }
truelight@0: 
tron@909: static const TileIndexDiffC _dock_offs[] = {
tron@909: 	{ 2,  0},
tron@909: 	{-2,  0},
tron@909: 	{ 0,  2},
tron@909: 	{ 2,  0},
tron@909: 	{ 0, -2},
tron@909: 	{ 0,  0},
tron@909: 	{ 0,  0},
tron@909: 	{ 0,  0}
truelight@0: };
truelight@0: 
truelight@0: static void ProcessShipOrder(Vehicle *v)
truelight@0: {
truelight@1024: 	const Order *order;
truelight@0: 
tron@555: 	if (v->current_order.type >= OT_GOTO_DEPOT &&
tron@555: 			v->current_order.type <= OT_LEAVESTATION) {
tron@555: 		if (v->current_order.type != OT_GOTO_DEPOT ||
tron@555: 				!(v->current_order.flags & OF_UNLOAD))
truelight@0: 			return;
truelight@0: 	}
truelight@0: 
tron@555: 	if (v->current_order.type == OT_GOTO_DEPOT &&
celestar@2214: 			(v->current_order.flags & (OF_PART_OF_ORDERS | OF_SERVICE_IF_NEEDED)) == (OF_PART_OF_ORDERS | OF_SERVICE_IF_NEEDED) &&
bjarni@1520: 			!VehicleNeedsService(v)) {
truelight@0: 		v->cur_order_index++;
truelight@0: 	}
truelight@0: 
truelight@0: 
truelight@0: 	if (v->cur_order_index >= v->num_orders)
truelight@0: 		v->cur_order_index = 0;
truelight@0: 
truelight@1024: 	order = GetVehicleOrder(v, v->cur_order_index);
truelight@0: 
truelight@1024: 	if (order == NULL) {
truelight@1024: 		v->current_order.type  = OT_NOTHING;
tron@555: 		v->current_order.flags = 0;
truelight@0: 		v->dest_tile = 0;
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@1024: 	if (order->type    == v->current_order.type &&
truelight@1024: 			order->flags   == v->current_order.flags &&
truelight@1024: 			order->station == v->current_order.station)
truelight@0: 		return;
truelight@0: 
truelight@1024: 	v->current_order = *order;
truelight@0: 
truelight@1024: 	if (order->type == OT_GOTO_STATION) {
truelight@1024: 		const Station *st;
truelight@1024: 
truelight@1024: 		if (order->station == v->last_station_visited)
truelight@1266: 			v->last_station_visited = INVALID_STATION;
truelight@193: 
truelight@1024: 		st = GetStation(order->station);
truelight@0: 		if (st->dock_tile != 0) {
tron@2049: 			v->dest_tile = TILE_ADD(st->dock_tile, ToTileIndexDiff(_dock_offs[_m[st->dock_tile].m5-0x4B]));
truelight@0: 		}
truelight@1024: 	} else if (order->type == OT_GOTO_DEPOT) {
truelight@1313: 		v->dest_tile = GetDepot(order->station)->xy;
truelight@0: 	} else {
truelight@0: 		v->dest_tile = 0;
truelight@0: 	}
truelight@1024: 
truelight@1024: 	InvalidateVehicleOrder(v);
celestar@1020: 
Celestar@1055: 	InvalidateWindowClasses(WC_SHIPS_LIST);
truelight@0: }
truelight@0: 
truelight@0: static void HandleShipLoading(Vehicle *v)
truelight@0: {
tron@2639: 	if (v->current_order.type == OT_NOTHING) return;
truelight@193: 
tron@555: 	if (v->current_order.type != OT_DUMMY) {
tron@2639: 		if (v->current_order.type != OT_LOADING) return;
tron@2639: 		if (--v->load_unload_time_rem) return;
truelight@0: 
tron@555: 		if (v->current_order.flags & OF_FULL_LOAD && CanFillVehicle(v)) {
truelight@0: 			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);
truelight@0: 			if (LoadUnloadVehicle(v)) {
truelight@0: 				InvalidateWindow(WC_SHIPS_LIST, v->owner);
truelight@0: 				MarkShipDirty(v);
truelight@0: 			}
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		PlayShipSound(v);
truelight@193: 
truelight@0: 		{
tron@555: 			Order b = v->current_order;
tron@555: 			v->current_order.type = OT_LEAVESTATION;
tron@555: 			v->current_order.flags = 0;
tron@2639: 			if (!(b.flags & OF_NON_STOP)) return;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	v->cur_order_index++;
truelight@1024: 	InvalidateVehicleOrder(v);
truelight@0: }
truelight@0: 
truelight@0: static void UpdateShipDeltaXY(Vehicle *v, int dir)
truelight@0: {
truelight@0: #define MKIT(d,c,b,a) ((a&0xFF)<<24) | ((b&0xFF)<<16) | ((c&0xFF)<<8) | ((d&0xFF)<<0)
truelight@0: 	static const uint32 _delta_xy_table[8] = {
truelight@0: 		MKIT( -3, -3,  6,  6),
truelight@0: 		MKIT(-16, -3, 32,  6),
truelight@0: 		MKIT( -3, -3,  6,  6),
truelight@0: 		MKIT( -3,-16,  6, 32),
truelight@0: 		MKIT( -3, -3,  6,  6),
truelight@0: 		MKIT(-16, -3, 32,  6),
truelight@0: 		MKIT( -3, -3,  6,  6),
truelight@0: 		MKIT( -3,-16,  6, 32),
truelight@0: 	};
truelight@0: #undef MKIT
truelight@0: 	uint32 x = _delta_xy_table[dir];
tron@2150: 	v->x_offs        = GB(x,  0, 8);
tron@2150: 	v->y_offs        = GB(x,  8, 8);
tron@2150: 	v->sprite_width  = GB(x, 16, 8);
tron@2150: 	v->sprite_height = GB(x, 24, 8);
truelight@0: }
truelight@0: 
truelight@0: static void RecalcShipStuff(Vehicle *v)
truelight@0: {
truelight@0: 	UpdateShipDeltaXY(v, v->direction);
truelight@0: 	v->cur_image = GetShipImage(v, v->direction);
truelight@0: 	MarkShipDirty(v);
truelight@0: 	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
truelight@0: }
truelight@0: 
tron@909: static const TileIndexDiffC _ship_leave_depot_offs[] = {
tron@909: 	{-1,  0},
tron@909: 	{ 0, -1}
truelight@0: };
truelight@0: 
truelight@0: static void CheckShipLeaveDepot(Vehicle *v)
truelight@0: {
tron@1977: 	TileIndex tile;
truelight@0: 	int d;
truelight@0: 	uint m;
truelight@0: 
tron@2639: 	if (v->u.ship.state != 0x80) return;
truelight@0: 
truelight@0: 	tile = v->tile;
tron@2049: 	d = (_m[tile].m5&2) ? 1 : 0;
truelight@0: 
truelight@0: 	// Check first side
tron@909: 	if (_ship_sometracks[d] & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[d])))) {
truelight@0: 		m = (d==0) ? 0x101 : 0x207;
truelight@0: 	// Check second side
tron@909: 	} else if (_ship_sometracks[d+2] & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[d])))) {
truelight@0: 		m = (d==0) ? 0x105 : 0x203;
truelight@0: 	} else {
truelight@0: 		return;
truelight@0: 	}
tron@2635: 	v->direction    = GB(m, 0, 8);
tron@2635: 	v->u.ship.state = GB(m, 8, 8);
truelight@0: 	v->vehstatus &= ~VS_HIDDEN;
truelight@0: 
truelight@0: 	v->cur_speed = 0;
truelight@0: 	RecalcShipStuff(v);
truelight@0: 
truelight@0: 	PlayShipSound(v);
bjarni@578: 	VehicleServiceInDepot(v);
Celestar@1055: 	InvalidateWindowClasses(WC_SHIPS_LIST);
truelight@0: }
truelight@0: 
truelight@0: static bool ShipAccelerate(Vehicle *v)
truelight@0: {
truelight@0: 	uint spd;
truelight@0: 	byte t;
truelight@0: 
truelight@0: 	spd = min(v->cur_speed + 1, v->max_speed);
truelight@0: 
truelight@0: 	//updates statusbar only if speed have changed to save CPU time
truelight@0: 	if (spd != v->cur_speed) {
truelight@193: 		v->cur_speed = spd;
truelight@0: 		if (_patches.vehicle_speed)
darkvater@755: 			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 	}
truelight@0: 
truelight@0: 	// Decrease somewhat when turning
tron@2639: 	if (!(v->direction & 1)) spd = spd * 3 / 4;
truelight@0: 
tron@2639: 	if (spd == 0) return false;
tron@2639: 	if ((byte)++spd == 0) return true;
truelight@0: 
truelight@0: 	v->progress = (t = v->progress) - (byte)spd;
truelight@0: 
truelight@0: 	return (t < v->progress);
truelight@0: }
truelight@0: 
tron@2817: static int32 EstimateShipCost(EngineID engine_type)
Darkvater@1793: {
Darkvater@1793: 	return ShipVehInfo(engine_type)->base_cost * (_price.ship_base>>3)>>5;
Darkvater@1793: }
truelight@0: 
truelight@0: static void ShipEnterDepot(Vehicle *v)
truelight@0: {
truelight@0: 	v->u.ship.state = 0x80;
truelight@0: 	v->vehstatus |= VS_HIDDEN;
truelight@0: 	v->cur_speed = 0;
truelight@0: 	RecalcShipStuff(v);
truelight@193: 
bjarni@578: 	VehicleServiceInDepot(v);
bjarni@578: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 
tron@445: 	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
tron@445: 
tron@555: 	if (v->current_order.type == OT_GOTO_DEPOT) {
tron@555: 		Order t;
tron@555: 
truelight@0: 		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@193: 
tron@555: 		t = v->current_order;
tron@555: 		v->current_order.type = OT_DUMMY;
tron@555: 		v->current_order.flags = 0;
truelight@0: 
celestar@1530: 		if (HASBIT(t.flags, OFB_PART_OF_ORDERS)) {
tron@555: 			v->cur_order_index++;
celestar@1530: 		} else if (HASBIT(t.flags, OFB_HALT_IN_DEPOT)) {
truelight@0: 			v->vehstatus |= VS_STOPPED;
truelight@0: 			if (v->owner == _local_player) {
tron@534: 				SetDParam(0, v->unitnumber);
truelight@0: 				AddNewsItem(
truelight@0: 					STR_981C_SHIP_IS_WAITING_IN_DEPOT,
truelight@0: 					NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0),
truelight@0: 					v->index,
truelight@0: 					0);
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
Celestar@1055: 	InvalidateWindowClasses(WC_SHIPS_LIST);
truelight@0: }
truelight@0: 
tron@2630: static void ShipArrivesAt(const Vehicle* v, Station* st)
truelight@0: {
truelight@0: 	/* Check if station was ever visited before */
truelight@0: 	if (!(st->had_vehicle_of_type & HVOT_SHIP)) {
truelight@0: 		uint32 flags;
tron@2639: 
truelight@0: 		st->had_vehicle_of_type |= HVOT_SHIP;
tron@2639: 
tron@534: 		SetDParam(0, st->index);
truelight@0: 		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);
truelight@0: 		AddNewsItem(
truelight@0: 			STR_9833_CITIZENS_CELEBRATE_FIRST,
truelight@0: 			flags,
truelight@0: 			v->index,
truelight@0: 			0);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: typedef struct {
tron@1977: 	TileIndex skiptile;
tron@1977: 	TileIndex dest_coords;
truelight@0: 	uint best_bird_dist;
truelight@0: 	uint best_length;
truelight@0: } PathFindShip;
truelight@0: 
tron@1977: static bool ShipTrackFollower(TileIndex tile, PathFindShip *pfs, int track, uint length, byte *state)
truelight@0: {
truelight@0: 	// Found dest?
truelight@0: 	if (tile == pfs->dest_coords) {
truelight@0: 		pfs->best_bird_dist = 0;
truelight@193: 
truelight@0: 		pfs->best_length = minu(pfs->best_length, length);
truelight@0: 		return true;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Skip this tile in the calculation
truelight@0: 	if (tile != pfs->skiptile) {
tron@1245: 		pfs->best_bird_dist = minu(pfs->best_bird_dist, DistanceMaxPlusManhattan(pfs->dest_coords, tile));
truelight@0: 	}
truelight@193: 
truelight@0: 	return false;
truelight@0: }
truelight@0: 
truelight@0: static const byte _ship_search_directions[6][4] = {
truelight@0: 	{ 0, 9, 2, 9 },
truelight@0: 	{ 9, 1, 9, 3 },
truelight@0: 	{ 9, 0, 3, 9 },
truelight@0: 	{ 1, 9, 9, 2 },
truelight@0: 	{ 3, 2, 9, 9 },
truelight@0: 	{ 9, 9, 1, 0 },
truelight@0: };
truelight@0: 
truelight@0: static const byte _pick_shiptrack_table[6] = {1, 3, 2, 2, 0, 0};
truelight@0: 
tron@1977: static uint FindShipTrack(Vehicle *v, TileIndex tile, int dir, uint bits, TileIndex skiptile, int *track)
truelight@0: {
truelight@0: 	PathFindShip pfs;
truelight@0: 	int i, best_track;
truelight@0: 	uint best_bird_dist = 0;
truelight@0: 	uint best_length    = 0;
truelight@0: 	uint r;
truelight@0: 	byte ship_dir = v->direction & 3;
truelight@0: 
truelight@0: 	pfs.dest_coords = v->dest_tile;
truelight@0: 	pfs.skiptile = skiptile;
truelight@0: 
truelight@0: 	best_track = -1;
truelight@0: 
truelight@0: 	do {
truelight@0: 		i = FIND_FIRST_BIT(bits);
truelight@0: 		bits = KILL_FIRST_BIT(bits);
truelight@193: 
truelight@0: 		pfs.best_bird_dist = (uint)-1;
truelight@0: 		pfs.best_length = (uint)-1;
truelight@0: 
truelight@159: 		FollowTrack(tile, 0x3800 | TRANSPORT_WATER, _ship_search_directions[i][dir], (TPFEnumProc*)ShipTrackFollower, NULL, &pfs);
truelight@193: 
truelight@0: 		if (best_track >= 0) {
truelight@0: 			if (pfs.best_bird_dist != 0) {
truelight@0: 				/* neither reached the destination, pick the one with the smallest bird dist */
truelight@0: 				if (pfs.best_bird_dist > best_bird_dist) goto bad;
truelight@0: 				if (pfs.best_bird_dist < best_bird_dist) goto good;
truelight@0: 			} else {
truelight@0: 				if (pfs.best_length > best_length) goto bad;
truelight@0: 				if (pfs.best_length < best_length) goto good;
truelight@0: 			}
truelight@193: 
truelight@193: 			/* if we reach this position, there's two paths of equal value so far.
truelight@0: 			 * pick one randomly. */
tron@2150: 			r = GB(Random(), 0, 8);
truelight@0: 			if (_pick_shiptrack_table[i] == ship_dir) r += 80;
truelight@0: 			if (_pick_shiptrack_table[best_track] == ship_dir) r -= 80;
truelight@0: 			if (r <= 127) goto bad;
truelight@0: 		}
truelight@0: good:;
truelight@0: 		best_track = i;
truelight@0: 		best_bird_dist = pfs.best_bird_dist;
truelight@0: 		best_length = pfs.best_length;
truelight@0: bad:;
truelight@0: 
truelight@0: 	} while (bits != 0);
truelight@0: 
truelight@0: 	*track = best_track;
truelight@0: 	return best_bird_dist;
truelight@0: }
truelight@0: 
matthijs@1247: /* returns the track to choose on the next tile, or -1 when it's better to
matthijs@1247:  * reverse. The tile given is the tile we are about to enter, enterdir is the
matthijs@1247:  * direction in which we are entering the tile */
tron@1977: static int ChooseShipTrack(Vehicle *v, TileIndex tile, int enterdir, uint tracks)
truelight@0: {
matthijs@1247: 	assert(enterdir>=0 && enterdir<=3);
truelight@0: 
matthijs@1247: 	if (_patches.new_pathfinding_all) {
matthijs@1247: 		NPFFindStationOrTileData fstd;
matthijs@1247: 		NPFFoundTargetData ftd;
tron@1977: 		TileIndex src_tile = TILE_ADD(tile, TileOffsByDir(ReverseDiagdir(enterdir)));
matthijs@1752: 		byte trackdir = GetVehicleTrackdir(v);
matthijs@1752: 		assert (trackdir != 0xFF); /* Check that we are not in a depot */
matthijs@1247: 
matthijs@1247: 		NPFFillWithOrderData(&fstd, v);
matthijs@1247: 
Darkvater@2916: 		ftd = NPFRouteToStationOrTile(src_tile, trackdir, &fstd, TRANSPORT_WATER, v->owner, INVALID_RAILTYPE);
matthijs@1247: 
tron@2639: 		if (ftd.best_trackdir != 0xff) {
matthijs@1698: 			/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
matthijs@1698: 			the direction we need to take to get there, if ftd.best_bird_dist is not 0,
matthijs@1698: 			we did not find our target, but ftd.best_trackdir contains the direction leading
matthijs@1698: 			to the tile closest to our target. */
matthijs@1247: 			return ftd.best_trackdir & 7; /* TODO: Wrapper function? */
tron@2639: 		} else {
matthijs@1698: 			return -1; /* Already at target, reverse? */
tron@2639: 		}
matthijs@1247: 	} else {
matthijs@1247: 		uint b;
matthijs@1247: 		uint tot_dist, dist;
matthijs@1247: 		int track;
tron@1977: 		TileIndex tile2;
matthijs@1247: 
matthijs@1247: 		tile2 = TILE_ADD(tile, -TileOffsByDir(enterdir));
matthijs@1247: 		tot_dist = (uint)-1;
matthijs@1247: 
matthijs@1247: 		/* Let's find out how far it would be if we would reverse first */
matthijs@1942: 		b = GetTileShipTrackStatus(tile2) & _ship_sometracks[ReverseDiagdir(enterdir)] & v->u.ship.state;
matthijs@1247: 		if (b != 0) {
matthijs@1942: 			dist = FindShipTrack(v, tile2, ReverseDiagdir(enterdir), b, tile, &track);
matthijs@1247: 			if (dist != (uint)-1)
matthijs@1247: 				tot_dist = dist + 1;
matthijs@1247: 		}
matthijs@1247: 		/* And if we would not reverse? */
matthijs@1247: 		dist = FindShipTrack(v, tile, enterdir, tracks, 0, &track);
matthijs@1247: 		if (dist > tot_dist)
matthijs@1247: 			/* We could better reverse */
matthijs@1247: 			return -1;
matthijs@1247: 		return track;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static const byte _new_vehicle_direction_table[11] = {
truelight@0: 	0, 7, 6, 0,
truelight@0: 	1, 0, 5, 0,
truelight@0: 	2, 3, 4,
truelight@0: };
truelight@0: 
tron@1977: static int ShipGetNewDirectionFromTiles(TileIndex new_tile, TileIndex old_tile)
truelight@0: {
tron@926: 	uint offs = (TileY(new_tile) - TileY(old_tile) + 1) * 4 +
tron@926: 							TileX(new_tile) - TileX(old_tile) + 1;
truelight@0: 	assert(offs < 11 && offs != 3 && offs != 7);
truelight@0: 	return _new_vehicle_direction_table[offs];
truelight@0: }
truelight@0: 
truelight@0: static int ShipGetNewDirection(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	uint offs = (y - v->y_pos + 1) * 4 + (x - v->x_pos + 1);
truelight@0: 	assert(offs < 11 && offs != 3 && offs != 7);
truelight@0: 	return _new_vehicle_direction_table[offs];
truelight@0: }
truelight@0: 
tron@1977: static int GetAvailShipTracks(TileIndex tile, int dir)
truelight@0: {
truelight@159: 	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);
truelight@0: 	return (byte) ((r | r >> 8)) & _ship_sometracks[dir];
truelight@0: }
truelight@0: 
truelight@0: static const byte _ship_subcoord[4][6][3] = {
truelight@0: 	{
truelight@0: 		{15, 8, 1},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{15, 8, 2},
truelight@0: 		{15, 7, 0},
truelight@0: 		{ 0, 0, 0},
truelight@0: 	},
truelight@0: 	{
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 8, 0, 3},
truelight@0: 		{ 7, 0, 2},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 8, 0, 4},
truelight@0: 		{ 0, 0, 0},
truelight@0: 	},
truelight@0: 	{
truelight@0: 		{ 0, 8, 5},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 0, 7, 6},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 0, 8, 4},
truelight@0: 	},
truelight@0: 	{
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 8,15, 7},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 8,15, 6},
truelight@0: 		{ 0, 0, 0},
truelight@0: 		{ 7,15, 0},
truelight@0: 	}
truelight@0: };
truelight@0: 
truelight@0: static void ShipController(Vehicle *v)
truelight@0: {
truelight@0: 	GetNewVehiclePosResult gp;
truelight@0: 	uint32 r;
truelight@0: 	const byte *b;
truelight@0: 	int dir,track,tracks;
truelight@0: 
truelight@0: 	v->tick_counter++;
truelight@0: 
truelight@0: 	if (v->breakdown_ctr != 0) {
truelight@0: 		if (v->breakdown_ctr <= 2) {
truelight@0: 			HandleBrokenShip(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		v->breakdown_ctr--;
truelight@0: 	}
truelight@0: 
tron@2639: 	if (v->vehstatus & VS_STOPPED) return;
truelight@0: 
truelight@0: 	ProcessShipOrder(v);
truelight@0: 	HandleShipLoading(v);
truelight@0: 
tron@2639: 	if (v->current_order.type == OT_LOADING) return;
truelight@0: 
truelight@0: 	CheckShipLeaveDepot(v);
truelight@0: 
tron@2639: 	if (!ShipAccelerate(v)) return;
truelight@0: 
truelight@0: 	BeginVehicleMove(v);
truelight@0: 
truelight@0: 	if (GetNewVehiclePos(v, &gp)) {
truelight@0: 		// staying in tile
truelight@0: 		if (v->u.ship.state == 0x80) {
truelight@0: 			gp.x = v->x_pos;
truelight@0: 			gp.y = v->y_pos;
truelight@0: 		} else {
truelight@0: 			/* isnot inside depot */
truelight@0: 			r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
truelight@0: 			if (r & 0x8) goto reverse_direction;
truelight@0: 
matthijs@1751: 			/* A leave station order only needs one tick to get processed, so we can
matthijs@1751: 			 * always skip ahead. */
tron@555: 			if (v->current_order.type == OT_LEAVESTATION) {
tron@555: 				v->current_order.type = OT_NOTHING;
tron@555: 				v->current_order.flags = 0;
darkvater@755: 				InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
matthijs@1751: 			} else if (v->dest_tile != 0) {
matthijs@1751: 				/* We have a target, let's see if we reached it... */
matthijs@1751: 				if (v->current_order.type == OT_GOTO_STATION &&
matthijs@1751: 						IsBuoyTile(v->dest_tile) &&
matthijs@1751: 						DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
matthijs@1751: 					/* We got within 3 tiles of our target buoy, so let's skip to our
matthijs@1751: 					 * next order */
matthijs@1751: 					v->cur_order_index++;
matthijs@1751: 					v->current_order.type = OT_DUMMY;
matthijs@1751: 					InvalidateVehicleOrder(v);
matthijs@1751: 				} else {
matthijs@1751: 					/* Non-buoy orders really need to reach the tile */
matthijs@1751: 					if (v->dest_tile == gp.new_tile) {
matthijs@1751: 						if (v->current_order.type == OT_GOTO_DEPOT) {
matthijs@1751: 							if ((gp.x&0xF)==8 && (gp.y&0xF)==8) {
matthijs@1751: 								ShipEnterDepot(v);
matthijs@1751: 								return;
matthijs@1751: 							}
matthijs@1751: 						} else if (v->current_order.type == OT_GOTO_STATION) {
matthijs@1751: 							Station *st;
matthijs@1751: 
matthijs@1751: 							v->last_station_visited = v->current_order.station;
matthijs@1751: 
matthijs@1751: 							/* Process station in the orderlist. */
matthijs@1751: 							st = GetStation(v->current_order.station);
matthijs@1751: 							if (st->facilities & FACIL_DOCK) { /* ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations */
matthijs@1751: 								v->current_order.type = OT_LOADING;
matthijs@1751: 								v->current_order.flags &= OF_FULL_LOAD | OF_UNLOAD;
matthijs@1751: 								v->current_order.flags |= OF_NON_STOP;
matthijs@1751: 								ShipArrivesAt(v, st);
matthijs@1751: 
matthijs@1751: 								SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);
matthijs@1751: 								if (LoadUnloadVehicle(v)) {
matthijs@1751: 									InvalidateWindow(WC_SHIPS_LIST, v->owner);
matthijs@1751: 									MarkShipDirty(v);
matthijs@1751: 								}
matthijs@1751: 								InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
matthijs@1751: 							} else { /* leave stations without docks right aways */
matthijs@1751: 								v->current_order.type = OT_LEAVESTATION;
matthijs@1751: 								v->current_order.flags = 0;
matthijs@1751: 								v->cur_order_index++;
matthijs@1751: 								InvalidateVehicleOrder(v);
matthijs@1751: 							}
matthijs@1751: 						}
matthijs@1751: 					}
matthijs@1751: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		// new tile
Darkvater@1401: 		if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY())
tron@926: 			goto reverse_direction;
truelight@0: 
truelight@0: 		dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
truelight@0: 		assert(dir == 1 || dir == 3 || dir == 5 || dir == 7);
truelight@0: 		dir>>=1;
truelight@0: 		tracks = GetAvailShipTracks(gp.new_tile, dir);
truelight@0: 		if (tracks == 0)
truelight@0: 			goto reverse_direction;
truelight@0: 
truelight@0: 		// Choose a direction, and continue if we find one
truelight@0: 		track = ChooseShipTrack(v, gp.new_tile, dir, tracks);
truelight@0: 		if (track < 0)
truelight@0: 			goto reverse_direction;
truelight@0: 
truelight@0: 		b = _ship_subcoord[dir][track];
truelight@193: 
truelight@0: 		gp.x = (gp.x&~0xF) | b[0];
truelight@0: 		gp.y = (gp.y&~0xF) | b[1];
truelight@0: 
truelight@0: 		/* Call the landscape function and tell it that the vehicle entered the tile */
truelight@0: 		r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
truelight@0: 		if (r&0x8) goto reverse_direction;
truelight@0: 
truelight@0: 		if (!(r&0x4)) {
truelight@0: 			v->tile = gp.new_tile;
truelight@0: 			v->u.ship.state = 1 << track;
truelight@0: 		}
truelight@0: 
truelight@0: 		v->direction = b[2];
truelight@0: 	}
truelight@0: 
truelight@0: 	/* update image of ship, as well as delta XY */
truelight@0: 	dir = ShipGetNewDirection(v, gp.x, gp.y);
truelight@0: 	v->x_pos = gp.x;
truelight@0: 	v->y_pos = gp.y;
truelight@0: 	v->z_pos = GetSlopeZ(gp.x, gp.y);
truelight@0: 
truelight@0: getout:
truelight@0: 	UpdateShipDeltaXY(v, dir);
truelight@0: 	v->cur_image = GetShipImage(v, dir);
truelight@0: 	VehiclePositionChanged(v);
truelight@0: 	EndVehicleMove(v);
truelight@0: 	return;
truelight@0: 
truelight@0: reverse_direction:
truelight@0: 	dir = v->direction ^ 4;
truelight@0: 	v->direction = dir;
truelight@0: 	goto getout;
truelight@0: }
truelight@0: 
truelight@0: static void AgeShipCargo(Vehicle *v)
truelight@0: {
tron@2639: 	if (_age_cargo_skip_counter != 0) return;
tron@2639: 	if (v->cargo_days != 255) v->cargo_days++;
truelight@0: }
truelight@0: 
truelight@0: void Ship_Tick(Vehicle *v)
truelight@0: {
truelight@0: 	AgeShipCargo(v);
truelight@0: 	ShipController(v);
truelight@0: }
truelight@0: 
truelight@0: 
tron@1093: void ShipsYearlyLoop(void)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type == VEH_Ship) {
truelight@0: 			v->profit_last_year = v->profit_this_year;
truelight@0: 			v->profit_this_year = 0;
truelight@0: 			InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
Darkvater@1793: /** Build a ship.
Darkvater@1793:  * @param x,y tile coordinates of depot where ship is built
Darkvater@1793:  * @param p1 ship type being built (engine)
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdBuildShip(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	int32 value;
truelight@0: 	Vehicle *v;
truelight@1282: 	UnitID unit_num;
tron@1980: 	TileIndex tile = TileVirtXY(x, y);
truelight@0: 	Engine *e;
truelight@193: 
bjarni@2854: 	if (!IsEngineBuildable(p1, VEH_Ship)) return_cmd_error(STR_ENGINE_NOT_BUILDABLE);
bjarni@1196: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
truelight@0: 
truelight@0: 	value = EstimateShipCost(p1);
Darkvater@1793: 	if (flags & DC_QUERY_COST) return value;
truelight@0: 
pasky@1443: 	/* The ai_new queries the vehicle cost before building the route,
pasky@1443: 	 * so we must check against cheaters no sooner than now. --pasky */
pasky@1443: 	if (!IsTileDepotType(tile, TRANSPORT_WATER)) return CMD_ERROR;
tron@1901: 	if (!IsTileOwner(tile, _current_player)) return CMD_ERROR;
pasky@1443: 
truelight@0: 	v = AllocateVehicle();
truelight@1024: 	if (v == NULL || IsOrderPoolFull() ||
truelight@0: 			(unit_num = GetFreeUnitNumber(VEH_Ship)) > _patches.max_ships)
truelight@0: 		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
tron@538: 		const ShipVehicleInfo *svi = ShipVehInfo(p1);
tron@538: 
truelight@0: 		v->unitnumber = unit_num;
truelight@0: 
truelight@0: 		v->owner = _current_player;
truelight@0: 		v->tile = tile;
tron@926: 		x = TileX(tile) * 16 + 8;
tron@926: 		y = TileY(tile) * 16 + 8;
truelight@0: 		v->x_pos = x;
truelight@0: 		v->y_pos = y;
truelight@0: 		v->z_pos = GetSlopeZ(x,y);
truelight@0: 
truelight@0: 		v->z_height = 6;
truelight@0: 		v->sprite_width = 6;
truelight@0: 		v->sprite_height = 6;
truelight@0: 		v->x_offs = -3;
truelight@0: 		v->y_offs = -3;
truelight@0: 		v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
truelight@193: 
tron@538: 		v->spritenum = svi->image_index;
tron@538: 		v->cargo_type = svi->cargo_type;
tron@538: 		v->cargo_cap = svi->capacity;
truelight@0: 		v->value = value;
truelight@193: 
truelight@1266: 		v->last_station_visited = INVALID_STATION;
tron@538: 		v->max_speed = svi->max_speed;
tron@2477: 		v->engine_type = p1;
truelight@0: 
tron@1926: 		e = GetEngine(p1);
truelight@0: 		v->reliability = e->reliability;
truelight@0: 		v->reliability_spd_dec = e->reliability_spd_dec;
truelight@0: 		v->max_age = e->lifelength * 366;
truelight@0: 		_new_ship_id = v->index;
bjarni@2564: 		_new_vehicle_id = v->index;
truelight@0: 
truelight@0: 		v->string_id = STR_SV_SHIP_NAME;
truelight@0: 		v->u.ship.state = 0x80;
truelight@0: 
truelight@0: 		v->service_interval = _patches.servint_ships;
truelight@0: 		v->date_of_last_service = _date;
truelight@0: 		v->build_year = _cur_year;
truelight@0: 		v->cur_image = 0x0E5E;
truelight@0: 		v->type = VEH_Ship;
peter1138@2804: 		v->random_bits = VehicleRandomBits();
truelight@0: 
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 
truelight@0: 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
tron@588: 		RebuildVehicleLists();
truelight@0: 		InvalidateWindow(WC_COMPANY, v->owner);
bjarni@2618: 		if (IsLocalPlayer())
bjarni@2618: 			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Ship); // updates the replace Ship window
truelight@0: 	}
truelight@193: 
truelight@0: 	return value;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Sell a ship.
Darkvater@1793:  * @param x,y unused
Darkvater@1793:  * @param p1 vehicle ID to be sold
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdSellShip(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
truelight@193: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
Darkvater@1793: 	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
bjarni@1237: 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
bjarni@1237: 
matthijs@1330: 	if (!IsTileDepotType(v->tile, TRANSPORT_WATER) || v->u.road.state != 0x80 || !(v->vehstatus&VS_STOPPED))
truelight@0: 		return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
tron@588: 		RebuildVehicleLists();
truelight@0: 		InvalidateWindow(WC_COMPANY, v->owner);
truelight@0: 		DeleteWindowById(WC_VEHICLE_VIEW, v->index);
truelight@0: 		DeleteVehicle(v);
bjarni@2618: 		if (IsLocalPlayer())
bjarni@2618: 			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Ship); // updates the replace Ship window
truelight@0: 	}
truelight@193: 
truelight@0: 	return -(int32)v->value;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Start/Stop a ship.
Darkvater@1793:  * @param x,y unused
Darkvater@1793:  * @param p1 ship ID to start/stop
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdStartStopShip(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
bjarni@1237: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
Darkvater@1793: 	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		v->vehstatus ^= VS_STOPPED;
darkvater@755: 		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
Darkvater@1793: 		InvalidateWindowClasses(WC_SHIPS_LIST);
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Send a ship to the depot.
Darkvater@1793:  * @param x,y unused
Darkvater@1793:  * @param p1 vehicle ID to send to the depot
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdSendShipToDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
Darkvater@1793: 	const Depot *dep;
truelight@0: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
bjarni@1237: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
Darkvater@1793: 	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
Darkvater@1793: 	if (v->vehstatus & VS_CRASHED) return CMD_ERROR;
matthijs@1757: 
Darkvater@1793: 	/* If the current orders are already goto-depot */
tron@555: 	if (v->current_order.type == OT_GOTO_DEPOT) {
truelight@0: 		if (flags & DC_EXEC) {
Darkvater@1793: 			/* If the orders to 'goto depot' are in the orders list (forced servicing),
Darkvater@1793: 			 * then skip to the next order; effectively cancelling this forced service */
celestar@1530: 			if (HASBIT(v->current_order.flags, OFB_PART_OF_ORDERS))
celestar@1530: 				v->cur_order_index++;
celestar@1530: 
tron@555: 			v->current_order.type = OT_DUMMY;
tron@555: 			v->current_order.flags = 0;
darkvater@755: 			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 		}
Darkvater@1793: 		return 0;
Darkvater@1793: 	}
truelight@0: 
Darkvater@1793: 	dep = FindClosestShipDepot(v);
Darkvater@1793: 	if (dep == NULL)
Darkvater@1793: 		return_cmd_error(STR_981A_UNABLE_TO_FIND_LOCAL_DEPOT);
Darkvater@1793: 
Darkvater@1793: 	if (flags & DC_EXEC) {
Darkvater@1793: 		v->dest_tile = dep->xy;
Darkvater@1793: 		v->current_order.type = OT_GOTO_DEPOT;
Darkvater@1793: 		v->current_order.flags = OF_NON_STOP | OF_HALT_IN_DEPOT;
Darkvater@1793: 		v->current_order.station = dep->index;
Darkvater@1793: 		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: 
Darkvater@1802: /** Refits a ship to the specified cargo type.
Darkvater@1802:  * @param x,y unused
Darkvater@1802:  * @param p1 vehicle ID of the ship to refit
Darkvater@1802:  * @param p2 various bitstuffed elements
Darkvater@1802:  * - p2 = (bit 0-7) - the new cargo type to refit to (p2 & 0xFF)
Darkvater@1802:  */
truelight@0: int32 CmdRefitShip(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	int32 cost;
Darkvater@1802: 	CargoID new_cid = p2 & 0xFF; //gets the cargo number
bjarni@1237: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
truelight@193: 
truelight@919: 	v = GetVehicle(p1);
bjarni@1237: 
Darkvater@1802: 	if (v->type != VEH_Ship || !CheckOwnership(v->owner)) return CMD_ERROR;
bjarni@2567: 
bjarni@2567: 	if (!IsTileDepotType(v->tile, TRANSPORT_WATER) || !(v->vehstatus&VS_STOPPED) || v->u.ship.state != 0x80)
Darkvater@1802: 			return_cmd_error(STR_980B_SHIP_MUST_BE_STOPPED_IN);
bjarni@2567: 
truelight@0: 
Darkvater@1802: 	/* Check cargo */
Darkvater@1802: 	if (!ShipVehInfo(v->engine_type)->refittable) return CMD_ERROR;
peter1138@2704: 	if (new_cid > NUM_CARGO || !CanRefitTo(v->engine_type, new_cid)) return CMD_ERROR;
tron@915: 
bjarni@1237: 	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);
bjarni@1237: 
truelight@0: 	cost = 0;
Darkvater@1802: 	if (IS_HUMAN_PLAYER(v->owner) && new_cid != v->cargo_type) {
truelight@0: 		cost = _price.ship_base >> 7;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
bjarni@2568: 		v->cargo_count = 0;
Darkvater@1802: 		v->cargo_type = new_cid;
truelight@0: 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 	}
truelight@0: 
truelight@0: 	return cost;
truelight@0: 
truelight@0: }