tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@1299: #include "debug.h"
tron@2163: #include "functions.h"
tron@507: #include "table/strings.h"
tron@679: #include "map.h"
tron@1209: #include "tile.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "engine.h"
truelight@0: #include "command.h"
truelight@0: #include "station.h"
truelight@0: #include "news.h"
truelight@0: #include "pathfind.h"
matthijs@1247: #include "npf.h"
truelight@0: #include "player.h"
tron@337: #include "sound.h"
truelight@1313: #include "depot.h"
matthijs@1752: #include "vehicle_gui.h"
truelight@0: 
truelight@0: void ShowRoadVehViewWindow(Vehicle *v);
truelight@0: 
truelight@0: static const uint16 _roadveh_images[63] = {
truelight@0: 	0xCD4, 0xCDC, 0xCE4, 0xCEC, 0xCF4, 0xCFC, 0xD0C, 0xD14,
truelight@0: 	0xD24, 0xD1C, 0xD2C, 0xD04, 0xD1C, 0xD24, 0xD6C, 0xD74,
truelight@0: 	0xD7C, 0xC14, 0xC1C, 0xC24, 0xC2C, 0xC34, 0xC3C, 0xC4C,
truelight@0: 	0xC54, 0xC64, 0xC5C, 0xC6C, 0xC44, 0xC5C, 0xC64, 0xCAC,
truelight@0: 	0xCB4, 0xCBC, 0xD94, 0xD9C, 0xDA4, 0xDAC, 0xDB4, 0xDBC,
truelight@0: 	0xDCC, 0xDD4, 0xDE4, 0xDDC, 0xDEC, 0xDC4, 0xDDC, 0xDE4,
truelight@0: 	0xE2C, 0xE34, 0xE3C, 0xC14, 0xC1C, 0xC2C, 0xC3C, 0xC4C,
truelight@0: 	0xC5C, 0xC64, 0xC6C, 0xC74, 0xC84, 0xC94, 0xCA4
truelight@0: };
truelight@0: 
truelight@0: static const uint16 _roadveh_full_adder[63] = {
truelight@0:     0,  88,   0,   0,   0,   0,  48,  48,
truelight@0:    48,  48,   0,   0,  64,  64,   0,  16,
truelight@0:    16,   0,  88,   0,   0,   0,   0,  48,
truelight@0:    48,  48,  48,   0,   0,  64,  64,   0,
truelight@0:    16,  16,   0,  88,   0,   0,   0,   0,
truelight@0:    48,  48,  48,  48,   0,   0,  64,  64,
truelight@0:     0,  16,  16,   0,   8,   8,   8,   8,
truelight@0:     0,   0,   0,   8,   8,   8,   8
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: static const uint16 _road_veh_fp_ax_or[4] = {
truelight@0: 	0x100,0x200,1,2,
truelight@0: };
truelight@0: 
truelight@0: static const uint16 _road_veh_fp_ax_and[4] = {
truelight@0: 	0x1009, 0x16, 0x520, 0x2A00
truelight@0: };
truelight@0: 
truelight@0: static const byte _road_reverse_table[4] = {
truelight@0: 	6, 7, 14, 15
truelight@0: };
truelight@0: 
truelight@0: static const uint16 _road_pf_table_3[4] = {
truelight@0: 	0x910, 0x1600, 0x2005, 0x2A
truelight@0: };
truelight@0: 
Darkvater@1790: int GetRoadVehImage(const Vehicle *v, byte direction)
truelight@0: {
truelight@0: 	int img = v->spritenum;
truelight@0: 	int image;
truelight@0: 
truelight@0: 	if (is_custom_sprite(img)) {
truelight@0: 		image = GetCustomVehicleSprite(v, direction);
truelight@0: 		if (image) return image;
peter1138@2464: 		img = orig_road_vehicle_info[v->engine_type - ROAD_ENGINES_INDEX].image_index;
truelight@0: 	}
truelight@193: 
truelight@0: 	image = direction + _roadveh_images[img];
truelight@0: 	if (v->cargo_count >= (v->cargo_cap >> 1))
truelight@0: 		image += _roadveh_full_adder[img];
truelight@0: 	return image;
truelight@0: }
truelight@0: 
tron@2477: void DrawRoadVehEngine(int x, int y, EngineID engine, uint32 image_ormod)
truelight@0: {
tron@538: 	int spritenum = RoadVehInfo(engine)->image_index;
celestar@378: 
celestar@378: 	if (is_custom_sprite(spritenum)) {
celestar@378: 		int sprite = GetCustomVehicleIcon(engine, 6);
celestar@378: 
celestar@378: 		if (sprite) {
celestar@378: 			DrawSprite(sprite | image_ormod, x, y);
celestar@378: 			return;
celestar@378: 		}
peter1138@2464: 		spritenum = orig_road_vehicle_info[engine - ROAD_ENGINES_INDEX].image_index;
celestar@378: 	}
celestar@378: 	DrawSprite((6 + _roadveh_images[spritenum]) | image_ormod, x, y);
truelight@0: }
truelight@0: 
Darkvater@1793: int32 EstimateRoadVehCost(EngineID engine_type)
truelight@0: {
tron@538: 	return ((_price.roadveh_base >> 3) * RoadVehInfo(engine_type)->base_cost) >> 5;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Build a road vehicle.
Darkvater@1793:  * @param x,y tile coordinates of depot where road vehicle is built
Darkvater@1793:  * @param p1 bus/truck type being built (engine)
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdBuildRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	int32 cost;
truelight@0: 	Vehicle *v;
truelight@1282: 	UnitID unit_num;
tron@1980: 	TileIndex tile = TileVirtXY(x, y);
truelight@0: 	Engine *e;
truelight@193: 
tron@1197: 	if (!IsEngineBuildable(p1, VEH_Road)) return CMD_ERROR;
bjarni@1196: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
truelight@0: 
truelight@0: 	cost = EstimateRoadVehCost(p1);
Darkvater@1793: 	if (flags & DC_QUERY_COST) return cost;
truelight@0: 
pasky@1442: 	/* The ai_new queries the vehicle cost before building the route,
pasky@1442: 	 * so we must check against cheaters no sooner than now. --pasky */
pasky@1442: 	if (!IsTileDepotType(tile, TRANSPORT_ROAD)) return CMD_ERROR;
tron@1901: 	if (!IsTileOwner(tile, _current_player)) return CMD_ERROR;
pasky@1442: 
truelight@0: 	v = AllocateVehicle();
truelight@1024: 	if (v == NULL || IsOrderPoolFull())
truelight@0: 		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
truelight@0: 
truelight@0: 	/* find the first free roadveh id */
truelight@0: 	unit_num = GetFreeUnitNumber(VEH_Road);
truelight@0: 	if (unit_num > _patches.max_roadveh)
truelight@0: 		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
tron@538: 		const RoadVehicleInfo *rvi = RoadVehInfo(p1);
tron@538: 
truelight@0: 		v->unitnumber = unit_num;
truelight@0: 		v->direction = 0;
truelight@0: 		v->owner = _current_player;
truelight@0: 
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: 		v->z_height = 6;
truelight@0: 
truelight@0: 		v->u.road.state = 254;
truelight@0: 		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;
truelight@0: 
tron@538: 		v->spritenum = rvi->image_index;
tron@538: 		v->cargo_type = rvi->cargo_type;
tron@538: 		v->cargo_cap = rvi->capacity;
truelight@0: //		v->cargo_count = 0;
truelight@0: 		v->value = cost;
truelight@0: //		v->day_counter = 0;
truelight@0: //		v->next_order_param = v->next_order = 0;
truelight@0: //		v->load_unload_time_rem = 0;
truelight@0: //		v->progress = 0;
truelight@0: 
truelight@0: //	v->u.road.unk2 = 0;
truelight@0: //	v->u.road.overtaking = 0;
truelight@0: 
celestar@1217: 		v->u.road.slot = NULL;
celestar@1217: 		v->u.road.slotindex = 0;
celestar@1217: 		v->u.road.slot_age = 0;
celestar@1217: 
truelight@1266: 		v->last_station_visited = INVALID_STATION;
tron@538: 		v->max_speed = rvi->max_speed;
truelight@0: 		v->engine_type = (byte)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_roadveh_id = v->index;
truelight@193: 
truelight@0: 		v->string_id = STR_SV_ROADVEH_NAME;
truelight@0: 
truelight@0: 		v->service_interval = _patches.servint_roadveh;
truelight@0: 
truelight@0: 		v->date_of_last_service = _date;
truelight@0: 		v->build_year = _cur_year;
truelight@0: 
truelight@0: 		v->type = VEH_Road;
truelight@0: 		v->cur_image = 0xC15;
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);
Darkvater@1793: 		InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Road); // updates the replace Road window
truelight@0: 	}
truelight@0: 
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Start/Stop a road vehicle.
Darkvater@1793:  * @param x,y unused
Darkvater@1793:  * @param p1 road vehicle ID to start/stop
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdStartStopRoadVeh(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_Road || !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);
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1680: void ClearSlot(Vehicle *v, RoadStop *rs)
Darkvater@1664: {
Darkvater@1664: 	DEBUG(ms, 3) ("Multistop: Clearing slot %d at 0x%x", v->u.road.slotindex, rs->xy);
Darkvater@1664: 	v->u.road.slot = NULL;
Darkvater@1664: 	v->u.road.slot_age = 0;
Darkvater@1680: 	if (rs != NULL) {
Darkvater@1680: 		// check that the slot is indeed assigned to the same vehicle
Darkvater@1680: 		assert(rs->slot[v->u.road.slotindex] == v->index);
Darkvater@1664: 		rs->slot[v->u.road.slotindex] = INVALID_SLOT;
Darkvater@1680:  }
Darkvater@1664: }
Darkvater@1664: 
Darkvater@1793: /** Sell a road vehicle.
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 CmdSellRoadVeh(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_Road || !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_ROAD) || v->u.road.state != 254 || !(v->vehstatus&VS_STOPPED))
truelight@0: 		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		// Invalidate depot
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);
Darkvater@1664: 		ClearSlot(v, v->u.road.slot);
truelight@0: 		DeleteVehicle(v);
truelight@0: 	}
bjarni@1128: 	InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Road); // updates the replace Road window
truelight@193: 
truelight@0: 	return -(int32)v->value;
truelight@0: }
truelight@0: 
truelight@0: typedef struct RoadFindDepotData {
truelight@0: 	uint best_length;
tron@1977: 	TileIndex tile;
truelight@0: 	byte owner;
truelight@0: } RoadFindDepotData;
truelight@0: 
truelight@0: static const byte _road_pf_directions[16] = {
truelight@0: 	0, 1, 0, 1, 2, 1, 255, 255,
truelight@0: 	2, 3, 3, 2, 3, 0, 255, 255,
truelight@0: };
truelight@0: 
tron@1977: static bool EnumRoadSignalFindDepot(TileIndex tile, RoadFindDepotData *rfdd, int track, uint length, byte *state)
truelight@0: {
tron@904: 	tile += TileOffsByDir(_road_pf_directions[track]);
truelight@0: 
tron@1035: 	if (IsTileType(tile, MP_STREET) &&
tron@2493: 			GB(_m[tile].m5, 4, 4) == 2 &&
tron@1901: 			IsTileOwner(tile, rfdd->owner)) {
truelight@193: 
truelight@0: 		if (length < rfdd->best_length) {
truelight@0: 			rfdd->best_length = length;
truelight@0: 			rfdd->tile = tile;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
truelight@1313: static Depot *FindClosestRoadDepot(Vehicle *v)
truelight@0: {
tron@1977: 	TileIndex tile = v->tile;
truelight@0: 	int i;
truelight@193: 
tron@2549: 	if (v->u.road.state == 255) tile = GetVehicleOutOfTunnelTile(v);
truelight@0: 
matthijs@1247: 	if (_patches.new_pathfinding_all) {
matthijs@1247: 		NPFFoundTargetData ftd;
matthijs@1247: 		/* See where we are now */
matthijs@1942: 		Trackdir trackdir = GetVehicleTrackdir(v);
matthijs@1745: 
matthijs@2006: 		ftd = NPFRouteToDepotBreadthFirst(v->tile, trackdir, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE);
matthijs@1247: 		if (ftd.best_bird_dist == 0)
matthijs@1247: 			return GetDepotByTile(ftd.node.tile); /* Target found */
matthijs@1247: 		else
truelight@1313: 			return NULL; /* Target not found */
matthijs@1247: 		/* We do not search in two directions here, why should we? We can't reverse right now can we? */
matthijs@1247: 	} else {
matthijs@1247: 		RoadFindDepotData rfdd;
matthijs@1247: 		rfdd.owner = v->owner;
matthijs@1247: 		rfdd.best_length = (uint)-1;
truelight@0: 
matthijs@1247: 		/* search in all directions */
matthijs@1247: 		for(i=0; i!=4; i++)
matthijs@1247: 			FollowTrack(tile, 0x2000 | TRANSPORT_ROAD, i, (TPFEnumProc*)EnumRoadSignalFindDepot, NULL, &rfdd);
truelight@0: 
matthijs@1247: 		if (rfdd.best_length == (uint)-1)
truelight@1313: 			return NULL;
truelight@0: 
matthijs@1247: 		return GetDepotByTile(rfdd.tile);
matthijs@1247: 	}
truelight@0: }
truelight@0: 
Darkvater@1793: /** Send a road vehicle 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 CmdSendRoadVehToDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
bjarni@1237: 	Vehicle *v;
Darkvater@1793: 	const Depot *dep;
truelight@0: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
bjarni@1237: 
bjarni@1237: 	v = GetVehicle(p1);
bjarni@1237: 
Darkvater@1793: 	if (v->type != VEH_Road || !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))
truelight@0: 				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: 		}
truelight@0: 		return 0;
truelight@0: 	}
truelight@0: 
Darkvater@1793: 	dep = FindClosestRoadDepot(v);
Darkvater@1793: 	if (dep == NULL) return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
tron@555: 		v->current_order.type = OT_GOTO_DEPOT;
celestar@1530: 		v->current_order.flags = OF_NON_STOP | OF_HALT_IN_DEPOT;
Darkvater@1793: 		v->current_order.station = dep->index;
Darkvater@1793: 		v->dest_tile = dep->xy;
darkvater@755: 		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 	}
truelight@193: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Turn a roadvehicle around.
Darkvater@1793:  * @param x,y unused
Darkvater@1793:  * @param p1 vehicle ID to turn
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
truelight@0: int32 CmdTurnRoadVeh(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_Road || !CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
truelight@0: 	if (v->vehstatus & (VS_HIDDEN|VS_STOPPED) ||
truelight@0: 			v->u.road.crashed_ctr != 0 ||
truelight@0: 			v->breakdown_ctr != 0 ||
truelight@0: 			v->u.road.overtaking != 0 ||
truelight@0: 			v->cur_speed < 5) {
truelight@0: 		return CMD_ERROR;
truelight@0: 	}
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		v->u.road.reverse_ctr = 180;
truelight@193: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1790: /** Change the service interval for road vehicles.
Darkvater@1790:  * @param x,y unused
Darkvater@1790:  * @param p1 vehicle ID that is being service-interval-changed
Darkvater@1790:  * @param p2 new service interval
Darkvater@1790:  */
truelight@0: int32 CmdChangeRoadVehServiceInt(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
Darkvater@1790: 	uint16 serv_int = GetServiceIntervalClamped(p2); /* Double check the service interval from the user-input */
truelight@0: 
Darkvater@1790: 	if (serv_int != p2 || !IsVehicleIndex(p1)) return CMD_ERROR;
bjarni@1237: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
Darkvater@1790: 	if (v->type != VEH_Road || !CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
Darkvater@1790: 		v->service_interval = serv_int;
truelight@0: 		InvalidateWindowWidget(WC_VEHICLE_DETAILS, v->index, 7);
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: static void MarkRoadVehDirty(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = GetRoadVehImage(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 UpdateRoadVehDeltaXY(Vehicle *v)
truelight@0: {
truelight@0: #define MKIT(a,b,c,d) ((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, -1, -1),
truelight@0: 		MKIT(3, 7, -1, -3),
truelight@0: 		MKIT(3, 3, -1, -1),
truelight@0: 		MKIT(7, 3, -3, -1),
truelight@0: 		MKIT(3, 3, -1, -1),
truelight@0: 		MKIT(3, 7, -1, -3),
truelight@0: 		MKIT(3, 3, -1, -1),
truelight@0: 		MKIT(7, 3, -3, -1),
truelight@0: 	};
truelight@0: #undef MKIT
truelight@0: 	uint32 x = _delta_xy_table[v->direction];
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 ClearCrashedStation(Vehicle *v)
truelight@0: {
tron@1977: 	TileIndex tile = v->tile;
truelight@0: 	byte *b, bb;
truelight@0: 
celestar@1217: 	RoadStop *rs = GetRoadStopByTile(tile, GetRoadStopType(tile));
celestar@1217: 	b = &rs->status;
truelight@0: 
truelight@0: 	bb = *b;
truelight@0: 
truelight@0: 	// mark station as not busy
truelight@0: 	bb &= ~0x80;
truelight@193: 
truelight@0: 	// free parking bay
truelight@0: 	bb |= (v->u.road.state&0x02)?2:1;
truelight@193: 
truelight@0: 	*b = bb;
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehDelete(Vehicle *v)
truelight@0: {
truelight@0: 	DeleteWindowById(WC_VEHICLE_VIEW, v->index);
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@193: 
tron@588: 	RebuildVehicleLists();
truelight@0: 	InvalidateWindow(WC_COMPANY, v->owner);
truelight@0: 
tron@1035: 	if (IsTileType(v->tile, MP_STATION))
truelight@0: 		ClearCrashedStation(v);
truelight@193: 
truelight@0: 	BeginVehicleMove(v);
truelight@0: 	EndVehicleMove(v);
truelight@193: 
celestar@1665: 	ClearSlot(v, v->u.road.slot);
truelight@0: 	DeleteVehicle(v);
truelight@0: }
truelight@0: 
truelight@0: static byte SetRoadVehPosition(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	byte new_z, old_z;
truelight@0: 
truelight@0: 	// need this hint so it returns the right z coordinate on bridges.
truelight@0: 	_get_z_hint = v->z_pos;
truelight@0: 	new_z = GetSlopeZ(v->x_pos=x, v->y_pos=y);
truelight@0: 	_get_z_hint = 0;
truelight@0: 
truelight@0: 	old_z = v->z_pos;
truelight@0: 	v->z_pos = new_z;
truelight@193: 
truelight@0: 	VehiclePositionChanged(v);
truelight@0: 	EndVehicleMove(v);
truelight@0: 	return old_z;
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehSetRandomDirection(Vehicle *v)
truelight@0: {
truelight@0: 	static const int8 _turn_prob[4] = { -1, 0, 0, 1 };
truelight@0: 	uint32 r = Random();
truelight@0: 	v->direction = (v->direction+_turn_prob[r&3])&7;
truelight@0: 	BeginVehicleMove(v);
truelight@0: 	UpdateRoadVehDeltaXY(v);
truelight@0: 	v->cur_image = GetRoadVehImage(v, v->direction);
truelight@0: 	SetRoadVehPosition(v, v->x_pos, v->y_pos);
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehIsCrashed(Vehicle *v)
truelight@0: {
truelight@0: 	v->u.road.crashed_ctr++;
truelight@0: 	if (v->u.road.crashed_ctr == 2) {
tron@1359: 		CreateEffectVehicleRel(v, 4, 4, 8, EV_EXPLOSION_LARGE);
truelight@0: 	} else if (v->u.road.crashed_ctr <= 45) {
truelight@0: 		if ((v->tick_counter&7)==0)
truelight@0: 			RoadVehSetRandomDirection(v);
truelight@0: 	} else if (v->u.road.crashed_ctr >= 2220) {
truelight@0: 		RoadVehDelete(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void *EnumCheckRoadVehCrashTrain(Vehicle *v, Vehicle *u)
truelight@0: {
truelight@0: 	if (v->type != VEH_Train ||
truelight@0: 			myabs(v->z_pos - u->z_pos) > 6 ||
truelight@0: 			myabs(v->x_pos - u->x_pos) > 4 ||
truelight@0: 			myabs(v->y_pos - u->y_pos) > 4)
truelight@0: 				return NULL;
truelight@0: 	return v;
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehCrash(Vehicle *v)
truelight@0: {
truelight@0: 	uint16 pass;
truelight@0: 
truelight@0: 	v->u.road.crashed_ctr++;
truelight@0: 	v->vehstatus |= VS_CRASHED;
truelight@0: 
darkvater@755: 	InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 
truelight@0: 	pass = 1;
truelight@0: 	if (v->cargo_type == 0)
truelight@0: 		pass += v->cargo_count;
truelight@0: 	v->cargo_count = 0;
tron@534: 	SetDParam(0, pass);
truelight@0: 
tron@2260: 	AddNewsItem(
tron@2260: 		(pass == 1) ?
tron@2260: 			STR_9031_ROAD_VEHICLE_CRASH_DRIVER : STR_9032_ROAD_VEHICLE_CRASH_DIE,
truelight@0: 		NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
truelight@0: 		v->index,
truelight@0: 		0);
truelight@0: 
truelight@0: 	ModifyStationRatingAround(v->tile, v->owner, -160, 22);
tron@541: 	SndPlayVehicleFx(SND_12_EXPLOSION, v);
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehCheckTrainCrash(Vehicle *v)
truelight@0: {
tron@1977: 	TileIndex tile;
truelight@0: 
truelight@0: 	if (v->u.road.state == 255)
truelight@0: 		return;
truelight@0: 
truelight@0: 	tile = v->tile;
truelight@0: 
truelight@0: 	// Make sure it's a road/rail crossing
Darkvater@1927: 	if (!IsTileType(tile, MP_STREET) || !IsLevelCrossing(tile))
Darkvater@1927: 		return;
truelight@0: 
truelight@0: 	if (VehicleFromPos(tile, v, (VehicleFromPosProc*)EnumCheckRoadVehCrashTrain) != NULL)
truelight@0: 		RoadVehCrash(v);
truelight@0: }
truelight@0: 
truelight@0: static void HandleBrokenRoadVeh(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_0F_VEHICLE_BREAKDOWN : SND_35_COMEDY_BREAKDOWN, v);
truelight@0: 
truelight@0: 		if (!(v->vehstatus & VS_HIDDEN)) {
truelight@0: 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
truelight@0: 			if (u)
truelight@0: 				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;
truelight@0: 			InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void ProcessRoadVehOrder(Vehicle *v)
truelight@0: {
truelight@1024: 	const Order *order;
truelight@1024: 	const Station *st;
truelight@0: 
tron@555: 	if (v->current_order.type >= OT_GOTO_DEPOT && v->current_order.type <= OT_LEAVESTATION) {
truelight@1024: 		// Let a depot order in the orderlist interrupt.
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: 	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) {
tron@555: 		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@0: 	v->dest_tile = 0;
truelight@0: 
truelight@1024: 	if (order->type == OT_GOTO_STATION) {
truelight@1024: 		if (order->station == v->last_station_visited)
truelight@1266: 			v->last_station_visited = INVALID_STATION;
celestar@1217: 		st = GetStation(order->station);
truelight@1024: 
celestar@1217: 		{
celestar@1709: 			uint mindist = 0xFFFFFFFF;
celestar@1217: 			int num;
celestar@1217: 			RoadStopType type;
celestar@1217: 			RoadStop *rs;
celestar@1217: 
celestar@1217: 			type = (v->cargo_type == CT_PASSENGERS) ? RS_BUS : RS_TRUCK;
celestar@1217: 			num = GetNumRoadStops(st, type);
celestar@1217: 			rs = GetPrimaryRoadStop(st, type);
celestar@1217: 
celestar@1231: 			if (rs == NULL) {
celestar@1231: 				//There is no stop left at the station, so don't even TRY to go there
celestar@1231: 				v->cur_order_index++;
celestar@1231: 				InvalidateVehicleOrder(v);
celestar@1231: 
celestar@1231: 				return;
celestar@1231: 			}
celestar@1217: 
celestar@1709: 			for (rs = GetPrimaryRoadStop(st, type); rs != NULL; rs = rs->next) {
celestar@1709: 				if (DistanceManhattan(v->tile, rs->xy) < mindist) {
celestar@1217: 					v->dest_tile = rs->xy;
celestar@1217: 				}
celestar@1709: 			}
celestar@1217: 
celestar@1217: 		}
truelight@1024: 	} else if (order->type == OT_GOTO_DEPOT) {
truelight@1313: 		v->dest_tile = GetDepot(order->station)->xy;
truelight@0: 	}
truelight@0: 
truelight@1024: 	InvalidateVehicleOrder(v);
truelight@0: }
truelight@0: 
truelight@0: static void HandleRoadVehLoading(Vehicle *v)
truelight@0: {
tron@555: 	if (v->current_order.type == OT_NOTHING)
truelight@0: 		return;
truelight@193: 
tron@555: 	if (v->current_order.type != OT_DUMMY) {
tron@555: 		if (v->current_order.type != OT_LOADING)
truelight@0: 			return;
truelight@0: 
truelight@0: 		if (--v->load_unload_time_rem)
truelight@0: 			return;
truelight@0: 
tron@555: 		if (v->current_order.flags & OF_FULL_LOAD && CanFillVehicle(v)) {
truelight@0: 			SET_EXPENSES_TYPE(EXPENSES_ROADVEH_INC);
truelight@0: 			if (LoadUnloadVehicle(v)) {
truelight@0: 				InvalidateWindow(WC_ROADVEH_LIST, v->owner);
truelight@0: 				MarkRoadVehDirty(v);
truelight@0: 			}
truelight@0: 			return;
truelight@0: 		}
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@555: 			if (!(b.flags & OF_NON_STOP))
truelight@0: 				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 StartRoadVehSound(Vehicle *v)
truelight@0: {
tron@541: 	SoundFx s = RoadVehInfo(v->engine_type)->sfx;
tron@541: 	if (s == SND_19_BUS_START_PULL_AWAY && (v->tick_counter & 3) == 0)
tron@541: 		s = SND_1A_BUS_START_PULL_AWAY_WITH_HORN;
truelight@0: 	SndPlayVehicleFx(s, v);
truelight@0: }
truelight@0: 
truelight@0: typedef struct RoadVehFindData {
truelight@0: 	int x,y;
truelight@0: 	Vehicle *veh;
truelight@0: 	byte dir;
truelight@0: } RoadVehFindData;
truelight@0: 
tron@1095: static void *EnumCheckRoadVehClose(Vehicle *v, RoadVehFindData *rvf)
truelight@0: {
truelight@193: 	static const short _dists[] = {
dominik@63: 		-4, -8, -4, -1, 4, 8, 4, 1,
dominik@63: 		-4, -1, 4, 8, 4, 1, -4, -8,
truelight@0: 	};
truelight@193: 
dominik@63: 	short x_diff = v->x_pos - rvf->x;
dominik@63: 	short y_diff = v->y_pos - rvf->y;
truelight@0: 
truelight@193: 	if (rvf->veh == v ||
truelight@193: 			v->type != VEH_Road ||
truelight@0: 			v->u.road.state == 254 ||
truelight@0: 			myabs(v->z_pos - rvf->veh->z_pos) > 6 ||
truelight@0: 			v->direction != rvf->dir ||
dominik@63: 			(_dists[v->direction] < 0 && (x_diff <= _dists[v->direction] || x_diff > 0)) ||
dominik@63: 			(_dists[v->direction] > 0 && (x_diff >= _dists[v->direction] || x_diff < 0)) ||
dominik@63: 			(_dists[v->direction+8] < 0 && (y_diff <= _dists[v->direction+8] || y_diff > 0)) ||
dominik@63: 			(_dists[v->direction+8] > 0 && (y_diff >= _dists[v->direction+8] || y_diff < 0)))
bjarni@1151: 				return NULL;
truelight@0: 
truelight@0: 	return v;
truelight@0: }
truelight@0: 
truelight@0: static Vehicle *RoadVehFindCloseTo(Vehicle *v, int x, int y, byte dir)
truelight@0: {
truelight@0: 	RoadVehFindData rvf;
truelight@0: 	Vehicle *u;
truelight@0: 
truelight@0: 	if (v->u.road.reverse_ctr != 0)
truelight@0: 		return NULL;
truelight@193: 
truelight@0: 	rvf.x = x;
truelight@0: 	rvf.y = y;
truelight@0: 	rvf.dir = dir;
truelight@0: 	rvf.veh = v;
tron@1980: 	u = VehicleFromPos(TileVirtXY(x, y), &rvf, (VehicleFromPosProc*)EnumCheckRoadVehClose);
truelight@193: 
dominik@63: 	// This code protects a roadvehicle from being blocked for ever
miham@826: 	//  If more than 1480 / 74 days a road vehicle is blocked, it will
dominik@63: 	//  drive just through it. The ultimate backup-code of TTD.
dominik@63: 	// It can be disabled.
truelight@0: 	if (u == NULL) {
truelight@0: 		v->u.road.unk2 = 0;
truelight@0: 		return NULL;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (++v->u.road.unk2 > 1480)
truelight@0: 		return NULL;
truelight@193: 
truelight@0: 	return u;
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehArrivesAt(Vehicle *v, Station *st)
truelight@0: {
tron@2550: 	if (v->cargo_type == CT_PASSENGERS) {
truelight@0: 		/* Check if station was ever visited before */
truelight@0: 		if (!(st->had_vehicle_of_type & HVOT_BUS)) {
truelight@0: 			uint32 flags;
truelight@0: 
truelight@0: 			st->had_vehicle_of_type |= HVOT_BUS;
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_902F_CITIZENS_CELEBRATE_FIRST,
truelight@0: 				flags,
truelight@0: 				v->index,
truelight@0: 				0);
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		/* Check if station was ever visited before */
truelight@0: 		if (!(st->had_vehicle_of_type & HVOT_TRUCK)) {
truelight@0: 			uint32 flags;
truelight@0: 
truelight@0: 			st->had_vehicle_of_type |= HVOT_TRUCK;
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_9030_CITIZENS_CELEBRATE_FIRST,
truelight@0: 				flags,
truelight@0: 				v->index,
truelight@0: 				0);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static bool RoadVehAccelerate(Vehicle *v)
truelight@0: {
truelight@0: 	uint spd = v->cur_speed + 1 + ((v->u.road.overtaking != 0)?1:0);
truelight@0: 	byte t;
truelight@193: 
truelight@0: 	// Clamp
truelight@0: 	spd = min(spd, 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
truelight@0: 	if (!(v->direction&1))
truelight@0: 		spd = spd * 3 >> 2;
truelight@0: 
truelight@0: 	if (spd == 0)
truelight@0: 		return false;
truelight@0: 
truelight@0: 	if ((byte)++spd == 0)
truelight@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: 
truelight@0: static byte RoadVehGetNewDirection(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	static const byte _roadveh_new_dir[11] = {
truelight@0: 		0, 7, 6, 0,
truelight@0: 		1, 0, 5, 0,
truelight@0: 		2, 3, 4
truelight@0: 	};
truelight@193: 
truelight@0: 	x = x - v->x_pos + 1;
truelight@0: 	y = y - v->y_pos + 1;
truelight@0: 
truelight@0: 	if ((uint)x > 2 || (uint)y > 2)
truelight@0: 		return v->direction;
truelight@0: 	return _roadveh_new_dir[y*4+x];
truelight@0: }
truelight@0: 
truelight@0: static byte RoadVehGetSlidingDirection(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	byte b = RoadVehGetNewDirection(v,x,y);
truelight@0: 	byte d = v->direction;
truelight@0: 	if (b == d) return d;
truelight@0: 	d = (d+1)&7;
truelight@0: 	if (b==d) return d;
truelight@0: 	d = (d-2)&7;
truelight@0: 	if (b==d) return d;
truelight@0: 	if (b==((d-1)&7)) return d;
truelight@0: 	if (b==((d-2)&7)) return d;
truelight@193: 	return (d+2)&7;
truelight@0: }
truelight@0: 
truelight@0: typedef struct OvertakeData {
truelight@0: 	Vehicle *u, *v;
tron@1977: 	TileIndex tile;
truelight@0: 	byte tilebits;
truelight@0: } OvertakeData;
truelight@0: 
tron@1095: static void *EnumFindVehToOvertake(Vehicle *v, OvertakeData *od)
truelight@0: {
tron@1986: 	if (v->tile != od->tile || v->type != VEH_Road || v == od->u || v == od->v)
tron@1986: 		return NULL;
truelight@193: 	return v;
truelight@0: }
truelight@0: 
truelight@0: static bool FindRoadVehToOvertake(OvertakeData *od)
truelight@0: {
truelight@0: 	uint32 bits;
truelight@0: 
truelight@159: 	bits = GetTileTrackStatus(od->tile, TRANSPORT_ROAD)&0x3F;
truelight@0: 
truelight@0: 	if (!(od->tilebits & bits) || (bits&0x3C) || (bits & 0x3F3F0000))
truelight@0: 		return true;
truelight@0: 	return VehicleFromPos(od->tile, od, (VehicleFromPosProc*)EnumFindVehToOvertake) != NULL;
truelight@0: }
truelight@0: 
truelight@0: static void RoadVehCheckOvertake(Vehicle *v, Vehicle *u)
truelight@0: {
truelight@0: 	OvertakeData od;
truelight@0: 	byte tt;
truelight@0: 
truelight@0: 	od.v = v;
truelight@0: 	od.u = u;
truelight@0: 
truelight@0: 	if (u->max_speed >= v->max_speed &&
truelight@0: 			!(u->vehstatus&VS_STOPPED) &&
truelight@0: 			u->cur_speed != 0)
truelight@0: 				return;
truelight@0: 
truelight@0: 	if (v->direction != u->direction || !(v->direction&1))
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (v->u.road.state >= 32 || (v->u.road.state&7) > 1 )
truelight@0: 		return;
truelight@0: 
tron@2150: 	tt = GetTileTrackStatus(v->tile, TRANSPORT_ROAD) & 0x3F;
truelight@0: 	if ((tt & 3) == 0)
truelight@0: 		return;
truelight@0: 	if ((tt & 0x3C) != 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (tt == 3) {
truelight@0: 		tt = (v->direction&2)?2:1;
truelight@0: 	}
truelight@0: 	od.tilebits = tt;
truelight@0: 
truelight@0: 	od.tile = v->tile;
truelight@0: 	if (FindRoadVehToOvertake(&od))
truelight@0: 		return;
truelight@0: 
tron@900: 	od.tile = v->tile + TileOffsByDir(v->direction >> 1);
truelight@0: 	if (FindRoadVehToOvertake(&od))
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (od.u->cur_speed == 0 || od.u->vehstatus&VS_STOPPED) {
truelight@0: 		v->u.road.overtaking_ctr = 0x11;
truelight@0: 		v->u.road.overtaking = 0x10;
truelight@0: 	} else {
truelight@0: //		if (FindRoadVehToOvertake(&od))
truelight@0: //			return;
truelight@0: 		v->u.road.overtaking_ctr = 0;
truelight@0: 		v->u.road.overtaking = 0x10;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void RoadZPosAffectSpeed(Vehicle *v, byte old_z)
truelight@0: {
truelight@0: 	if (old_z == v->z_pos)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (old_z < v->z_pos) {
truelight@0: 		v->cur_speed = v->cur_speed * 232 >> 8;
truelight@0: 	} else {
truelight@0: 		uint16 spd = v->cur_speed + 2;
truelight@0: 		if (spd <= v->max_speed)
truelight@0: 			v->cur_speed = spd;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static int PickRandomBit(uint bits)
truelight@0: {
truelight@0: 	uint num = 0;
truelight@0: 	uint b = bits;
truelight@0: 	uint i;
truelight@0: 
truelight@0: 	do {
truelight@0: 		if (b & 1)
truelight@0: 			num++;
truelight@0: 	} while (b >>= 1);
truelight@0: 
tron@2484: 	num = GB(Random(), 0, 16) * num >> 16;
truelight@0: 
truelight@0: 	for(i=0; !((bits & 1) && ((int)--num) < 0); bits>>=1,i++);
truelight@0: 	return i;
truelight@0: }
truelight@0: 
truelight@0: typedef struct {
truelight@0: 	TileIndex dest;
truelight@0: 	uint maxtracklen;
truelight@0: 	uint mindist;
truelight@0: } FindRoadToChooseData;
truelight@0: 
tron@1977: static bool EnumRoadTrackFindDist(TileIndex tile, FindRoadToChooseData *frd, int track, uint length, byte *state)
truelight@0: {
tron@1245: 	uint dist = DistanceManhattan(tile, frd->dest);
truelight@0: 	if (dist <= frd->mindist) {
truelight@0: 		if (dist != frd->mindist || length < frd->maxtracklen) {
truelight@0: 			frd->maxtracklen = length;
truelight@0: 		}
truelight@0: 		frd->mindist = dist;
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
truelight@0: // Returns direction to choose
truelight@0: // or -1 if the direction is currently blocked
tron@1977: static int RoadFindPathToDest(Vehicle *v, TileIndex tile, int enterdir)
truelight@0: {
truelight@0: #define return_track(x) {best_track = x; goto found_best_track; }
truelight@0: 
truelight@0: 	uint16 signal;
truelight@0: 	uint bitmask;
tron@1977: 	TileIndex desttile;
truelight@0: 	FindRoadToChooseData frd;
truelight@0: 	int best_track;
truelight@0: 	uint best_dist, best_maxlen;
truelight@0: 	uint i;
truelight@0: 	byte m5;
truelight@0: 
truelight@0: 	{
truelight@0: 		uint32 r;
darkvater@241: 		r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
tron@2484: 		signal  = GB(r, 16, 16);
tron@2484: 		bitmask = GB(r,  0, 16);
truelight@0: 	}
truelight@0: 
tron@1035: 	if (IsTileType(tile, MP_STREET)) {
tron@2549: 		if (GB(_m[tile].m5, 4, 4) == 2 && IsTileOwner(tile, v->owner)) {
tron@2549: 			/* Road depot */
tron@2549: 			bitmask |= _road_veh_fp_ax_or[GB(_m[tile].m5, 0, 2)];
tron@2549: 		}
tron@1035: 	} else if (IsTileType(tile, MP_STATION)) {
tron@1901: 		if (IsTileOwner(tile, OWNER_NONE) || IsTileOwner(tile, v->owner)) {
darkvater@241: 			/* Our station */
tron@2549: 			const Station* st = GetStation(_m[tile].m2);
tron@2049: 			byte val = _m[tile].m5;
darkvater@241: 			if (v->cargo_type != CT_PASSENGERS) {
celestar@1217: 				if (IS_BYTE_INSIDE(val, 0x43, 0x47) && (_patches.roadveh_queue || st->truck_stops->status&3))
darkvater@241: 					bitmask |= _road_veh_fp_ax_or[(val-0x43)&3];
darkvater@241: 			} else {
celestar@1217: 				if (IS_BYTE_INSIDE(val, 0x47, 0x4B) && (_patches.roadveh_queue || st->bus_stops->status&3))
darkvater@241: 					bitmask |= _road_veh_fp_ax_or[(val-0x47)&3];
darkvater@241: 			}
darkvater@241: 		}
darkvater@241: 	}
darkvater@241: 	/* The above lookups should be moved to GetTileTrackStatus in the
darkvater@241: 	 * future, but that requires more changes to the pathfinder and other
darkvater@241: 	 * stuff, probably even more arguments to GTTS.
darkvater@241: 	 */
truelight@0: 
truelight@159: 	/* remove unreachable tracks */
matthijs@1247: 	bitmask &= _road_veh_fp_ax_and[enterdir];
truelight@0: 	if (bitmask == 0) {
matthijs@1247: 		/* No reachable tracks, so we'll reverse */
matthijs@1247: 		return_track(_road_reverse_table[enterdir]);
truelight@0: 	}
truelight@0: 
truelight@0: 	if (v->u.road.reverse_ctr != 0) {
matthijs@1247: 		/* What happens here?? */
truelight@0: 		v->u.road.reverse_ctr = 0;
tron@1986: 		if (v->tile != tile) {
matthijs@1247: 			return_track(_road_reverse_table[enterdir]);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	desttile = v->dest_tile;
truelight@0: 	if (desttile == 0) {
matthijs@1247: 		// Pick a random track
truelight@0: 		return_track(PickRandomBit(bitmask));
truelight@0: 	}
truelight@0: 
matthijs@1247: 	// Only one track to choose between?
matthijs@1247: 	if (!(KillFirstBit2x64(bitmask))) {
truelight@0: 		return_track(FindFirstBit2x64(bitmask));
truelight@0: 	}
truelight@0: 
matthijs@1247: 	if (_patches.new_pathfinding_all) {
matthijs@1247: 		NPFFindStationOrTileData fstd;
matthijs@1247: 		NPFFoundTargetData ftd;
matthijs@1247: 		byte trackdir;
matthijs@1247: 
matthijs@1247: 		NPFFillWithOrderData(&fstd, v);
matthijs@1942: 		trackdir = DiagdirToDiagTrackdir(enterdir);
matthijs@1247: 		//debug("Finding path. Enterdir: %d, Trackdir: %d", enterdir, trackdir);
matthijs@1247: 
hackykid@2008: 		ftd = NPFRouteToStationOrTile(tile - TileOffsByDir(enterdir), trackdir, &fstd, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE, PBS_MODE_NONE);
matthijs@1698: 		if (ftd.best_trackdir == 0xff) {
matthijs@1698: 			/* We are already at our target. Just do something */
matthijs@1247: 			//TODO: maybe display error?
matthijs@1247: 			//TODO: go straight ahead if possible?
matthijs@1247: 			return_track(FindFirstBit2x64(bitmask));
matthijs@1247: 		} else {
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_track(ftd.best_trackdir);
matthijs@1247: 		}
matthijs@1247: 	} else {
matthijs@1247: 		if (IsTileType(desttile, MP_STREET)) {
tron@2049: 			m5 = _m[desttile].m5;
matthijs@1247: 			if ((m5&0xF0) == 0x20)
matthijs@1247: 				/* We are heading for a Depot */
matthijs@1247: 				goto do_it;
matthijs@1247: 		} else if (IsTileType(desttile, MP_STATION)) {
tron@2049: 			m5 = _m[desttile].m5;
matthijs@1247: 			if (IS_BYTE_INSIDE(m5, 0x43, 0x4B)) {
matthijs@1247: 				/* We are heading for a station */
matthijs@1247: 				m5 -= 0x43;
truelight@0: do_it:;
matthijs@1247: 				/* When we are heading for a depot or station, we just
matthijs@1247: 				 * pretend we are heading for the tile in front, we'll
matthijs@1247: 				 * see from there */
matthijs@1247: 				desttile += TileOffsByDir(m5 & 3);
matthijs@1247: 				if (desttile == tile && bitmask&_road_pf_table_3[m5&3]) {
matthijs@1247: 					/* If we are already in front of the
matthijs@1247: 					 * station/depot and we can get in from here,
matthijs@1247: 					 * we enter */
matthijs@1247: 					return_track(FindFirstBit2x64(bitmask&_road_pf_table_3[m5&3]));
matthijs@1247: 				}
truelight@0: 			}
truelight@193: 		}
matthijs@1247: 		// do pathfind
matthijs@1247: 		frd.dest = desttile;
truelight@0: 
matthijs@1247: 		best_track = -1;
matthijs@1247: 		best_dist = (uint)-1;
matthijs@1247: 		best_maxlen = (uint)-1;
matthijs@1247: 		i = 0;
matthijs@1247: 		do {
matthijs@1247: 			if (bitmask & 1) {
matthijs@1247: 				if (best_track == -1) best_track = i; // in case we don't find the path, just pick a track
matthijs@1247: 				frd.maxtracklen = (uint)-1;
matthijs@1247: 				frd.mindist = (uint)-1;
matthijs@1247: 				FollowTrack(tile, 0x3000 | TRANSPORT_ROAD, _road_pf_directions[i], (TPFEnumProc*)EnumRoadTrackFindDist, NULL, &frd);
truelight@0: 
matthijs@1247: 				if (frd.mindist < best_dist || (frd.mindist==best_dist && frd.maxtracklen < best_maxlen)) {
matthijs@1247: 					best_dist = frd.mindist;
matthijs@1247: 					best_maxlen = frd.maxtracklen;
matthijs@1247: 					best_track = i;
matthijs@1247: 				}
truelight@0: 			}
matthijs@1247: 		} while (++i,(bitmask>>=1) != 0);
matthijs@1247: 	}
truelight@0: 
truelight@0: found_best_track:;
truelight@0: 
truelight@0: 	if (HASBIT(signal, best_track))
truelight@0: 		return -1;
truelight@0: 
truelight@193: 	return best_track;
truelight@0: }
truelight@0: 
Darkvater@2107: #if 0
celestar@1709: static uint RoadFindPathToStation(const Vehicle *v, TileIndex tile)
celestar@1217: {
celestar@1709:   NPFFindStationOrTileData fstd;
matthijs@1752:   byte trackdir = GetVehicleTrackdir(v);
matthijs@1752: 	assert(trackdir != 0xFF);
celestar@1217: 
celestar@1709:   fstd.dest_coords = tile;
celestar@1709:   fstd.station_index = -1;	// indicates that the destination is a tile, not a station
celestar@1217: 
hackykid@2008:   return NPFRouteToStationOrTile(v->tile, trackdir, &fstd, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE, PBS_MODE_NONE).best_path_dist;
celestar@1217: }
Darkvater@2107: #endif
celestar@1217: 
truelight@0: typedef struct RoadDriveEntry {
truelight@0: 	byte x,y;
truelight@0: } RoadDriveEntry;
truelight@0: 
truelight@0: #include "table/roadveh.h"
truelight@0: 
truelight@0: static const byte _road_veh_data_1[] = {
truelight@0: 	20, 20, 16, 16, 0, 0, 0, 0,
truelight@0: 	19, 19, 15, 15, 0, 0, 0, 0,
truelight@0: 	16, 16, 12, 12, 0, 0, 0, 0,
truelight@0: 	15, 15, 11, 11
truelight@0: };
truelight@0: 
truelight@0: static const byte _roadveh_data_2[4] = { 0,1,8,9 };
truelight@0: 
Darkvater@1401: static void RoadVehController(Vehicle *v)
truelight@0: {
truelight@0: 	GetNewVehiclePosResult gp;
tron@555: 	byte new_dir, old_dir;
truelight@0: 	RoadDriveEntry rd;
truelight@0: 	int x,y;
truelight@0: 	Station *st;
truelight@0: 	uint32 r;
truelight@0: 	Vehicle *u;
truelight@0: 
truelight@0: 	// decrease counters
truelight@0: 	v->tick_counter++;
truelight@0: 	if (v->u.road.reverse_ctr != 0)
truelight@0: 		v->u.road.reverse_ctr--;
truelight@0: 
truelight@0: 	// handle crashed
truelight@0: 	if (v->u.road.crashed_ctr != 0) {
truelight@0: 		RoadVehIsCrashed(v);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	RoadVehCheckTrainCrash(v);
truelight@0: 
truelight@0: 	// road vehicle has broken down?
truelight@0: 	if (v->breakdown_ctr != 0) {
truelight@0: 		if (v->breakdown_ctr <= 2) {
truelight@0: 			HandleBrokenRoadVeh(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		v->breakdown_ctr--;
truelight@0: 	}
truelight@0: 
truelight@0: 	// exit if vehicle is stopped
truelight@0: 	if (v->vehstatus & VS_STOPPED)
truelight@0: 		return;
truelight@0: 
truelight@0: 	ProcessRoadVehOrder(v);
truelight@0: 	HandleRoadVehLoading(v);
truelight@0: 
tron@555: 	if (v->current_order.type == OT_LOADING)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (v->u.road.state == 254) {
truelight@0: 		int dir;
truelight@0: 		const RoadDriveEntry*rdp;
truelight@0: 		byte rd2;
truelight@0: 
truelight@0: 		v->cur_speed = 0;
truelight@193: 
tron@2493: 		dir = GB(_m[v->tile].m5, 0, 2);
truelight@0: 		v->direction = dir*2+1;
truelight@0: 
truelight@0: 		rd2 = _roadveh_data_2[dir];
truelight@0: 		rdp = _road_drive_data[(_opt.road_side<<4) + rd2];
truelight@193: 
tron@926: 		x = TileX(v->tile) * 16 + (rdp[6].x & 0xF);
tron@926: 		y = TileY(v->tile) * 16 + (rdp[6].y & 0xF);
truelight@0: 
truelight@0: 		if (RoadVehFindCloseTo(v,x,y,v->direction))
truelight@0: 			return;
truelight@0: 
bjarni@578: 		VehicleServiceInDepot(v);
bjarni@578: 
truelight@0: 		StartRoadVehSound(v);
truelight@0: 
truelight@0: 		BeginVehicleMove(v);
truelight@0: 
truelight@0: 		v->vehstatus &= ~VS_HIDDEN;
truelight@0: 		v->u.road.state = rd2;
truelight@0: 		v->u.road.frame = 6;
truelight@193: 
truelight@0: 		v->cur_image = GetRoadVehImage(v, v->direction);
truelight@0: 		UpdateRoadVehDeltaXY(v);
truelight@0: 		SetRoadVehPosition(v,x,y);
truelight@0: 
truelight@0: 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (!RoadVehAccelerate(v))
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (v->u.road.overtaking != 0)  {
truelight@0: 		if (++v->u.road.overtaking_ctr >= 35)
truelight@0: 			v->u.road.overtaking = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	BeginVehicleMove(v);
truelight@0: 
truelight@0: 	if (v->u.road.state == 255) {
truelight@0: 		GetNewVehiclePos(v, &gp);
truelight@0: 
truelight@0: 		if (RoadVehFindCloseTo(v, gp.x, gp.y, v->direction)) {
truelight@0: 			v->cur_speed = 0;
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
tron@1035: 		if (IsTileType(gp.new_tile, MP_TUNNELBRIDGE) &&
tron@2493: 				GB(_m[gp.new_tile].m5, 4, 4) == 0 &&
truelight@0: 				(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y)&4)) {
truelight@193: 
truelight@0: 			//new_dir = RoadGetNewDirection(v, gp.x, gp.y)
truelight@0: 			v->cur_image = GetRoadVehImage(v, v->direction);
truelight@0: 			UpdateRoadVehDeltaXY(v);
truelight@0: 			SetRoadVehPosition(v,gp.x,gp.y);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: 		v->x_pos = gp.x;
truelight@0: 		v->y_pos = gp.y;
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	rd = _road_drive_data[(v->u.road.state + (_opt.road_side<<4)) ^ v->u.road.overtaking][v->u.road.frame+1];
truelight@0: 
truelight@0: // switch to another tile
truelight@0: 	if (rd.x & 0x80) {
tron@1977: 		TileIndex tile = v->tile + TileOffsByDir(rd.x & 3);
truelight@0: 		int dir = RoadFindPathToDest(v, tile, rd.x&3);
truelight@0: 		int tmp;
truelight@0: 		uint32 r;
truelight@0: 		byte newdir;
truelight@0: 		const RoadDriveEntry *rdp;
truelight@0: 
truelight@0: 		if (dir == -1) {
truelight@0: 			v->cur_speed = 0;
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: again:
truelight@0: 		if ((dir & 7) >= 6) {
matthijs@1247: 			/* Turning around */
truelight@0: 			tile = v->tile;
truelight@0: 		}
truelight@0: 
truelight@0: 		tmp = (dir+(_opt.road_side<<4))^v->u.road.overtaking;
truelight@0: 		rdp = _road_drive_data[tmp];
truelight@0: 
truelight@0: 		tmp &= ~0x10;
truelight@0: 
tron@926: 		x = TileX(tile) * 16 + rdp[0].x;
tron@926: 		y = TileY(tile) * 16 + rdp[0].y;
truelight@0: 
truelight@0: 		if (RoadVehFindCloseTo(v, x, y, newdir=RoadVehGetSlidingDirection(v, x, y)))
truelight@0: 			return;
truelight@0: 
truelight@0: 		r = VehicleEnterTile(v, tile, x, y);
truelight@0: 		if (r & 8) {
tron@1035: 			if (!IsTileType(tile, MP_TUNNELBRIDGE)) {
truelight@0: 				v->cur_speed = 0;
truelight@0: 				return;
truelight@0: 			}
truelight@0: 			dir = _road_reverse_table[rd.x&3];
truelight@0: 			goto again;
truelight@0: 		}
truelight@0: 
tron@1035: 		if (IS_BYTE_INSIDE(v->u.road.state, 0x20, 0x30) && IsTileType(v->tile, MP_STATION)) {
truelight@0: 			if ((tmp&7) >= 6) { v->cur_speed = 0; return; }
tron@2049: 			if (IS_BYTE_INSIDE(_m[v->tile].m5, 0x43, 0x4B)) {
celestar@1217: 				RoadStop *rs = GetRoadStopByTile(v->tile, GetRoadStopType(v->tile));
celestar@1217: 				byte *b = &rs->status;
truelight@0: 
celestar@1217: 				//we have reached a loading bay, mark it as used
celestar@1217: 				//and clear the usage bit (0x80) of the stop
celestar@1217: 				*b = (*b | ((v->u.road.state&2)?2:1)) & ~0x80;
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		if (!(r & 4)) {
truelight@0: 			v->tile = tile;
truelight@0: 			v->u.road.state = (byte)tmp;
truelight@0: 			v->u.road.frame = 0;
truelight@0: 		}
truelight@0: 		if (newdir != v->direction) {
truelight@0: 			v->direction = newdir;
truelight@0: 			v->cur_speed -= v->cur_speed >> 2;
truelight@0: 		}
truelight@0: 
truelight@0: 		v->cur_image = GetRoadVehImage(v, newdir);
truelight@0: 		UpdateRoadVehDeltaXY(v);
truelight@0: 		RoadZPosAffectSpeed(v, SetRoadVehPosition(v, x, y));
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (rd.x & 0x40) {
truelight@0: 		int dir = RoadFindPathToDest(v, v->tile,	rd.x&3);
truelight@0: 		uint32 r;
truelight@0: 		int tmp;
truelight@0: 		byte newdir;
truelight@0: 		const RoadDriveEntry *rdp;
truelight@0: 
truelight@0: 		if (dir == -1) {
truelight@0: 			v->cur_speed = 0;
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: 		tmp = (_opt.road_side<<4) + dir;
truelight@0: 		rdp = _road_drive_data[tmp];
truelight@0: 
tron@926: 		x = TileX(v->tile) * 16 + rdp[1].x;
tron@926: 		y = TileY(v->tile) * 16 + rdp[1].y;
truelight@0: 
truelight@0: 		if (RoadVehFindCloseTo(v, x, y, newdir=RoadVehGetSlidingDirection(v, x, y)))
truelight@0: 			return;
truelight@0: 
truelight@0: 		r = VehicleEnterTile(v, v->tile, x, y);
truelight@0: 		if (r & 8) {
truelight@0: 			v->cur_speed = 0;
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: 		v->u.road.state = tmp & ~16;
truelight@0: 		v->u.road.frame = 1;
truelight@0: 
truelight@0: 		if (newdir != v->direction) {
truelight@0: 			v->direction = newdir;
truelight@0: 			v->cur_speed -= v->cur_speed >> 2;
truelight@0: 		}
truelight@0: 
truelight@0: 		v->cur_image = GetRoadVehImage(v, newdir);
truelight@0: 		UpdateRoadVehDeltaXY(v);
truelight@0: 		RoadZPosAffectSpeed(v, SetRoadVehPosition(v, x, y));
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	x = (v->x_pos&~15)+(rd.x&15);
truelight@0: 	y = (v->y_pos&~15)+(rd.y&15);
truelight@193: 
truelight@0: 	new_dir = RoadVehGetSlidingDirection(v, x, y);
truelight@0: 
truelight@0: 	if (!IS_BYTE_INSIDE(v->u.road.state, 0x20, 0x30) && (u=RoadVehFindCloseTo(v, x, y, new_dir)) != NULL) {
truelight@0: 		if (v->u.road.overtaking == 0)
truelight@0: 			RoadVehCheckOvertake(v, u);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	old_dir = v->direction;
truelight@0: 	if (new_dir != old_dir) {
truelight@0: 		v->direction = new_dir;
truelight@0: 		v->cur_speed -= (v->cur_speed >> 2);
truelight@0: 		if (old_dir != v->u.road.state) {
truelight@0: 			v->cur_image = GetRoadVehImage(v, new_dir);
truelight@0: 			UpdateRoadVehDeltaXY(v);
truelight@0: 			SetRoadVehPosition(v, v->x_pos, v->y_pos);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (v->u.road.state >= 0x20 &&
truelight@0: 			_road_veh_data_1[v->u.road.state - 0x20 + (_opt.road_side<<4)] == v->u.road.frame) {
celestar@1217: 		RoadStop *rs = GetRoadStopByTile(v->tile, GetRoadStopType(v->tile));
celestar@1217: 		byte *b = &rs->status;
truelight@0: 
tron@2049: 		st = GetStation(_m[v->tile].m2);
truelight@0: 
tron@555: 		if (v->current_order.type != OT_LEAVESTATION &&
tron@555: 				v->current_order.type != OT_GOTO_DEPOT) {
tron@555: 			Order old_order;
truelight@193: 
truelight@0: 			*b &= ~0x80;
truelight@0: 
tron@2049: 			v->last_station_visited = _m[v->tile].m2;
truelight@0: 
truelight@0: 			RoadVehArrivesAt(v, st);
truelight@0: 
tron@555: 			old_order = v->current_order;
tron@555: 			v->current_order.type = OT_LOADING;
tron@555: 			v->current_order.flags = 0;
truelight@0: 
tron@555: 			if (old_order.type == OT_GOTO_STATION &&
tron@555: 					v->current_order.station == v->last_station_visited) {
tron@555: 				v->current_order.flags =
celestar@1935: 					(old_order.flags & (OF_FULL_LOAD | OF_UNLOAD | OF_TRANSFER)) | OF_NON_STOP;
truelight@0: 			}
truelight@0: 
truelight@0: 			SET_EXPENSES_TYPE(EXPENSES_ROADVEH_INC);
truelight@0: 			if (LoadUnloadVehicle(v)) {
truelight@0: 				InvalidateWindow(WC_ROADVEH_LIST, v->owner);
truelight@0: 				MarkRoadVehDirty(v);
truelight@0: 			}
darkvater@755: 			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
tron@555: 		if (v->current_order.type != OT_GOTO_DEPOT) {
truelight@0: 			if (*b&0x80) {
truelight@0: 				v->cur_speed = 0;
truelight@0: 				return;
truelight@0: 			}
tron@555: 			v->current_order.type = OT_NOTHING;
tron@555: 			v->current_order.flags = 0;
truelight@0: 		}
truelight@0: 		*b |= 0x80;
truelight@0: 
celestar@1217: 		if (rs == v->u.road.slot) {
celestar@1217: 			//we have arrived at the correct station
celestar@1217: 			ClearSlot(v, rs);
celestar@1217: 		} else if (v->u.road.slot != NULL) {
celestar@1217: 			//we have arrived at the wrong station
celestar@1217: 			//XXX The question is .. what to do? Actually we shouldn't be here
celestar@1217: 			//but I guess we need to clear the slot
celestar@1295:  			DEBUG(ms, 1) ("Multistop: Wrong station, force a slot clearing. Vehicle %d at 0x%x, should go to 0x%x of station %d (%x), destination 0x%x", v->unitnumber, v->tile, v->u.road.slot->xy, st->index, st->xy, v->dest_tile);
celestar@1239: 			ClearSlot(v, v->u.road.slot);
celestar@1217: 		}
celestar@1217: 
truelight@0: 		StartRoadVehSound(v);
darkvater@755: 		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 	}
truelight@0: 
truelight@0: 	r = VehicleEnterTile(v, v->tile, x, y);
truelight@0: 	if (r & 8) {
truelight@0: 		v->cur_speed = 0;
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	if ((r & 4) == 0) {
truelight@0: 		v->u.road.frame++;
truelight@0: 	}
truelight@0: 
truelight@0: 	v->cur_image = GetRoadVehImage(v, v->direction);
truelight@0: 	UpdateRoadVehDeltaXY(v);
truelight@0: 	RoadZPosAffectSpeed(v, SetRoadVehPosition(v, x, y));
truelight@0: }
truelight@0: 
truelight@0: void RoadVehEnterDepot(Vehicle *v)
truelight@0: {
truelight@0: 	v->u.road.state = 254;
truelight@0: 	v->vehstatus |= VS_HIDDEN;
truelight@0: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 
bjarni@842: 	MaybeReplaceVehicle(v);
truelight@0: 
bjarni@578: 	VehicleServiceInDepot(v);
bjarni@578: 
tron@445: 	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);
truelight@193: 
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: 
truelight@1024: 		// Part of the orderlist?
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_9016_ROAD_VEHICLE_IS_WAITING,
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: 	}
truelight@0: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
bjarni@1151: 	InvalidateWindowClasses(WC_ROADVEH_LIST);
truelight@0: }
truelight@0: 
truelight@0: static void AgeRoadVehCargo(Vehicle *v)
truelight@0: {
truelight@0: 	if (_age_cargo_skip_counter != 0)
truelight@0: 		return;
truelight@0: 	if (v->cargo_days != 255)
truelight@0: 		v->cargo_days++;
truelight@0: }
truelight@0: 
truelight@0: void RoadVeh_Tick(Vehicle *v)
truelight@0: {
truelight@0: 	AgeRoadVehCargo(v);
Darkvater@1401: 	RoadVehController(v);
truelight@0: }
truelight@0: 
truelight@0: static void CheckIfRoadVehNeedsService(Vehicle *v)
truelight@0: {
truelight@1313: 	Depot *depot;
truelight@0: 
bjarni@1520: 	if (_patches.servint_roadveh == 0)
dominik@11: 		return;
dominik@11: 
bjarni@1520: 	if (!VehicleNeedsService(v))
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (v->vehstatus & VS_STOPPED)
truelight@0: 		return;
truelight@0: 
truelight@1024: 	if (_patches.gotodepot && VehicleHasDepotOrders(v))
truelight@0: 		return;
truelight@193: 
truelight@0: 	// Don't interfere with a depot visit scheduled by the user, or a
truelight@0: 	// depot visit by the order list.
tron@555: 	if (v->current_order.type == OT_GOTO_DEPOT &&
celestar@1530: 			(v->current_order.flags & (OF_HALT_IN_DEPOT | OF_PART_OF_ORDERS)) != 0)
truelight@0: 		return;
truelight@0: 
celestar@1217: 	//If we already got a slot at a stop, use that FIRST, and go to a depot later
celestar@1217: 	if (v->u.road.slot != NULL)
celestar@1217: 		return;
celestar@1217: 
truelight@1313: 	depot = FindClosestRoadDepot(v);
truelight@0: 
truelight@1313: 	if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {
bjarni@1520: 		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: 	if (v->current_order.type == OT_GOTO_DEPOT &&
tron@555: 			v->current_order.flags & OF_NON_STOP &&
tron@555: 			!CHANCE16(1,20))
truelight@0: 		return;
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: 
celestar@1217: int dist_compare(const void *a, const void *b)
celestar@1217: {
celestar@1217: 	return ( *(const uint32 *)a) - ( *(const uint32 *) b);
celestar@1217: }
celestar@1217: 
truelight@0: void OnNewDay_RoadVeh(Vehicle *v)
truelight@0: {
truelight@0: 	int32 cost;
truelight@0: 	Station *st;
truelight@0: 
truelight@0: 	if ((++v->day_counter & 7) == 0)
truelight@0: 		DecreaseVehicleValue(v);
truelight@0: 
truelight@0: 	if (v->u.road.unk2 == 0)
truelight@0: 		CheckVehicleBreakdown(v);
truelight@0: 
truelight@0: 	AgeVehicle(v);
truelight@0: 	CheckIfRoadVehNeedsService(v);
truelight@0: 
celestar@1053: 	CheckOrders(v->index, OC_INIT);
dominik@19: 
truelight@0: 	/* update destination */
celestar@1769: 	if (v->current_order.type == OT_GOTO_STATION && !(v->vehstatus & VS_CRASHED)) {
celestar@1217: 		RoadStopType type = (v->cargo_type == CT_PASSENGERS) ? RS_BUS : RS_TRUCK;
celestar@1217: 
truelight@919: 		st = GetStation(v->current_order.station);
celestar@1217: 
celestar@1217: 		//Current slot has expired
ludde@2089: 		if ( (v->u.road.slot_age++ <= 0) && (v->u.road.slot != NULL))
celestar@1217: 			ClearSlot(v, v->u.road.slot);
celestar@1217: 
celestar@1217: 		//We do not have a slot, so make one
ludde@2089: 		if (v->u.road.slot == NULL) {
ludde@2089: 			RoadStop *rs = GetPrimaryRoadStop(st, type);
ludde@2089: 			RoadStop *first_stop = rs;
ludde@2089: 			RoadStop *best_stop = NULL;
ludde@2093: 			uint32 mindist = 12, dist; // 12 is threshold distance.
celestar@1217: 
ludde@2089: 		//first we need to find out how far our stations are away.
ludde@2089: 			DEBUG(ms, 2) ("Multistop: Attempting to obtain a slot for vehicle %d at station %d (0x%x)", v->unitnumber, st->index, st->xy);
ludde@2089: 			for(; rs != NULL; rs = rs->next) {
ludde@2089: 				// Only consider those with at least a free slot.
ludde@2089: 				if (!(rs->slot[0] == INVALID_SLOT || rs->slot[1] == INVALID_SLOT))
ludde@2089: 					continue;
celestar@1217: 
ludde@2089: 				// Previously the NPF pathfinder was used here even if NPF is OFF.. WTF?
ludde@2089: 				assert(NUM_SLOTS == 2);
ludde@2089: 				dist = DistanceManhattan(v->tile, rs->xy);
celestar@1217: 
ludde@2093: 				// Check if the station is located BEHIND the vehicle..
ludde@2093: 				// In that case, add penalty.
ludde@2093: 				switch(v->direction) {
ludde@2093: 				case 1: // going north east,x position decreasing
Darkvater@2107: 					if (v->x_pos <= (int32)TileX(rs->xy) * 16 + 15)
ludde@2093: 						dist += 6;
ludde@2093: 					break;
ludde@2093: 				case 3: // Going south east, y position increasing
Darkvater@2107: 					if (v->y_pos >= (int32)TileY(rs->xy) * 16)
ludde@2093: 						dist += 6;
ludde@2093: 					break;
ludde@2093: 				case 5: // Going south west, x position increasing
Darkvater@2107: 					if (v->x_pos >= (int32)TileX(rs->xy) * 16)
ludde@2093: 						dist += 6;
ludde@2093: 					break;
ludde@2093: 				case 7: // Going north west, y position decrasing.
Darkvater@2107: 					if (v->y_pos <= (int32)TileY(rs->xy) * 16 + 15)
ludde@2093: 						dist += 6;
ludde@2093: 					break;
ludde@2093: 				}
ludde@2093: 
ludde@2089: 				// Remember the one with the shortest distance
ludde@2089: 				if (dist < mindist) {
ludde@2089: 					mindist = dist;
ludde@2089: 					best_stop = rs;
celestar@1217: 				}
ludde@2089: 				DEBUG(ms, 3) ("Multistop: Distance to stop at 0x%x is %d", rs->xy, dist);
celestar@1217: 			}
celestar@1217: 
ludde@2089: 			// best_stop now contains the best stop we found.
ludde@2089: 			if (best_stop) {
ludde@2089: 				int slot;
ludde@2089: 				// Find a free slot in this stop. We know that at least one is free.
ludde@2089: 				assert(best_stop->slot[0] == INVALID_SLOT || best_stop->slot[1] == INVALID_SLOT);
ludde@2089: 				slot = (best_stop->slot[0] == INVALID_SLOT) ? 0 : 1;
ludde@2089: 				best_stop->slot[slot] = v->index;
ludde@2089: 				v->u.road.slot = best_stop;
ludde@2089: 				v->dest_tile = best_stop->xy;
ludde@2093: 				v->u.road.slot_age = -5;
ludde@2089: 				v->u.road.slotindex = slot;
ludde@2093: 				DEBUG(ms, 1) ("Multistop: Slot %d at 0x%x assigned to vehicle %d (0x%x)", slot, best_stop->xy, v->unitnumber, v->tile);
ludde@2089: 			} else if (first_stop) {
ludde@2089: 				//now we couldn't assign a slot for one reason or another.
ludde@2089: 				//so we just go towards the first station
celestar@1295: 				DEBUG(ms, 1) ("Multistop: No free slot found for vehicle %d, going to default station", v->unitnumber);
ludde@2089: 				v->dest_tile = first_stop->xy;
celestar@1295: 			}
celestar@1217: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (v->vehstatus & VS_STOPPED)
truelight@0: 		return;
truelight@0: 
tron@538: 	cost = RoadVehInfo(v->engine_type)->running_cost * _price.roadveh_running / 364;
truelight@0: 
truelight@0: 	v->profit_this_year -= cost >> 8;
truelight@0: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_ROADVEH_RUN);
truelight@0: 	SubtractMoneyFromPlayerFract(v->owner, cost);
truelight@0: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
bjarni@1151: 	InvalidateWindowClasses(WC_ROADVEH_LIST);
truelight@0: }
truelight@0: 
truelight@0: void HandleClickOnRoadVeh(Vehicle *v)
truelight@0: {
truelight@0: 	ShowRoadVehViewWindow(v);
truelight@0: }
truelight@0: 
tron@1093: void RoadVehiclesYearlyLoop(void)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type == VEH_Road) {
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: }