truelight@0: #include "stdafx.h"
truelight@0: #include "ttd.h"
tron@507: #include "table/strings.h"
tron@679: #include "map.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "gfx.h"
truelight@0: #include "viewport.h"
truelight@0: #include "news.h"
truelight@0: #include "command.h"
truelight@0: #include "saveload.h"
truelight@0: #include "player.h"
truelight@0: #include "engine.h"
tron@337: #include "sound.h"
truelight@0: 
truelight@0: #define INVALID_COORD (-0x8000)
truelight@0: #define GEN_HASH(x,y) (((x & 0x1F80)>>7) + ((y & 0xFC0)))
truelight@0: 
truelight@919: enum {
truelight@919: 	VEHICLES_MIN_FREE_FOR_AI = 90
truelight@919: };
truelight@919: 
bjarni@578: void VehicleServiceInDepot(Vehicle *v)
bjarni@578: {
bjarni@578: 	v->date_of_last_service = _date;
bjarni@578: 	v->breakdowns_since_last_service = 0;
bjarni@578: 	v->reliability = _engines[v->engine_type].reliability;
bjarni@578: }
truelight@0: 
tron@593: bool VehicleNeedsService(const Vehicle *v)
tron@593: {
truelight@812: 	return _patches.servint_ispercent ?
truelight@812: 		(v->reliability < _engines[v->engine_type].reliability * (100 - v->service_interval) / 100) :
tron@593: 		(v->date_of_last_service + v->service_interval < _date);
tron@593: }
tron@593: 
tron@577: Order UnpackOldOrder(uint16 packed)
tron@577: {
tron@577: 	Order order;
tron@577: 	order.type    = (packed & 0x000f);
tron@584: 	order.flags   = (packed & 0x00f0) >> 4;
tron@577: 	order.station = (packed & 0xff00) >> 8;
tron@577: 
tron@577: 	// Sanity check
tron@577: 	// TTD stores invalid orders as OT_NOTHING with non-zero flags/station
tron@577: 	if (order.type == OT_NOTHING && (order.flags != 0 || order.station != 0)) {
tron@577: 		order.type = OT_DUMMY;
tron@577: 		order.flags = 0;
tron@577: 	}
tron@577: 
tron@577: 	return order;
tron@577: }
tron@577: 
tron@577: 
truelight@0: void VehicleInTheWayErrMsg(Vehicle *v)
truelight@0: {
truelight@0: 	StringID id;
truelight@0: 
truelight@0: 	(id = STR_8803_TRAIN_IN_THE_WAY,v->type == VEH_Train) ||
truelight@0: 	(id = STR_9000_ROAD_VEHICLE_IN_THE_WAY,v->type == VEH_Road) ||
truelight@0: 	(id = STR_A015_AIRCRAFT_IN_THE_WAY,v->type == VEH_Aircraft) ||
truelight@0: 		(id = STR_980E_SHIP_IN_THE_WAY, true);
truelight@0: 
truelight@0: 	_error_message = id;
truelight@0: }
truelight@0: 
truelight@0: static void *EnsureNoVehicleProc(Vehicle *v, void *data)
truelight@0: {
tron@537: 	if (v->tile != *(const TileIndex*)data || v->type == VEH_Disaster)
truelight@0: 		return NULL;
truelight@193: 
truelight@193: 	VehicleInTheWayErrMsg(v);
tron@537: 	return v;
truelight@193: }
truelight@0: 
truelight@0: bool EnsureNoVehicle(TileIndex tile)
truelight@0: {
tron@537: 	return VehicleFromPos(tile, &tile, EnsureNoVehicleProc) == NULL;
truelight@0: }
truelight@0: 
truelight@0: static void *EnsureNoVehicleProcZ(Vehicle *v, void *data)
truelight@0: {
tron@537: 	const TileInfo *ti = data;
tron@537: 
tron@537: 	if (v->tile != ti->tile || v->z_pos != ti->z || v->type == VEH_Disaster)
truelight@0: 		return NULL;
truelight@0: 
truelight@0: 	VehicleInTheWayErrMsg(v);
tron@537: 	return v;
truelight@0: }
truelight@0: 
truelight@0: bool EnsureNoVehicleZ(TileIndex tile, byte z)
truelight@0: {
truelight@0: 	TileInfo ti;
tron@537: 
truelight@0: 	FindLandscapeHeightByTile(&ti, tile);
truelight@0: 	// needs z correction for slope-type graphics that have the NORTHERN tile lowered
truelight@0: 	// 1, 2, 3, 4, 5, 6 and 7
truelight@0: 	if (CORRECT_Z(ti.tileh))
truelight@0: 		z += 8;
truelight@0: 
tron@537: 	ti.z = z;
tron@537: 
tron@537: 	return VehicleFromPos(tile, &ti, EnsureNoVehicleProcZ) == NULL;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *FindVehicleBetween(TileIndex from, TileIndex to, byte z)
truelight@0: {
tron@926: 	int x1 = TileX(from);
tron@926: 	int y1 = TileY(from);
tron@926: 	int x2 = TileX(to);
tron@926: 	int y2 = TileY(to);
truelight@0: 	Vehicle *veh;
truelight@0: 
truelight@0: 	/* Make sure x1 < x2 or y1 < y2 */
truelight@0: 	if (x1 > x2 || y1 > y2) {
truelight@0: 		intswap(x1,x2);
truelight@0: 		intswap(y1,y2);
truelight@0: 	}
truelight@919: 	FOR_ALL_VEHICLES(veh) {
truelight@0: 		if ((veh->type == VEH_Train || veh->type == VEH_Road) && (z==0xFF || veh->z_pos == z)) {
truelight@0: 			if ((veh->x_pos>>4) >= x1 && (veh->x_pos>>4) <= x2 &&
truelight@0: 					(veh->y_pos>>4) >= y1 && (veh->y_pos>>4) <= y2) {
truelight@0: 				return veh;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: void VehiclePositionChanged(Vehicle *v)
truelight@0: {
truelight@0: 	int img = v->cur_image;
truelight@0: 	const SpriteDimension *sd;
truelight@0: 	Point pt = RemapCoords(v->x_pos + v->x_offs, v->y_pos + v->y_offs, v->z_pos);
truelight@0: 
truelight@0: 	sd = GetSpriteDimension(img);
truelight@0: 
truelight@0: 	pt.x += sd->xoffs;
truelight@0: 	pt.y += sd->yoffs;
truelight@0: 
truelight@0: 	UpdateVehiclePosHash(v, pt.x, pt.y);
truelight@0: 
truelight@0: 	v->left_coord = pt.x;
truelight@0: 	v->top_coord = pt.y;
truelight@0: 	v->right_coord = pt.x + sd->xsize + 2;
truelight@0: 	v->bottom_coord = pt.y + sd->ysize + 2;
truelight@0: }
truelight@0: 
darkvater@395: void UpdateWaypointSign(Waypoint *cp)
truelight@0: {
tron@926: 	Point pt = RemapCoords2(TileX(cp->xy) * 16, TileY(cp->xy) * 16);
tron@534: 	SetDParam(0, cp - _waypoints);
darkvater@395: 	UpdateViewportSignPos(&cp->sign, pt.x, pt.y - 0x20, STR_WAYPOINT_VIEWPORT);
truelight@0: }
truelight@0: 
darkvater@395: void RedrawWaypointSign(Waypoint *cp)
truelight@0: {
truelight@0: 	MarkAllViewportsDirty(
truelight@0: 		cp->sign.left - 6,
truelight@0: 		cp->sign.top,
truelight@0: 		cp->sign.left + (cp->sign.width_1 << 2) + 12,
truelight@0: 		cp->sign.top + 48);
truelight@0: }
truelight@0: 
truelight@0: // Called after load to update coordinates
truelight@0: void AfterLoadVehicles()
truelight@0: {
truelight@0: 	Vehicle *v;
darkvater@395: 	Waypoint *cp;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type != 0) {
truelight@0: 			v->left_coord = INVALID_COORD;
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 
truelight@0: 			if (v->type == VEH_Train) {
truelight@0: 				if (v->subtype == 0)
truelight@0: 					UpdateTrainAcceleration(v);
truelight@0: 			}
truelight@0: 
truelight@0: #if defined(_DEBUG)
truelight@0: 			if (!(v->schedule_ptr == NULL || (v->schedule_ptr >= _order_array && v->schedule_ptr < _ptr_to_next_order)))
truelight@0: 				v->schedule_ptr = NULL;
truelight@0: #endif
truelight@0: 		}
truelight@0: 	}
truelight@0: 
darkvater@395: 	// update waypoint signs
darkvater@395: 	for(cp=_waypoints; cp != endof(_waypoints); cp++) if (cp->xy) UpdateWaypointSign(cp);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: static Vehicle *InitializeVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	VehicleID index = v->index;
truelight@0: 	memset(v, 0, sizeof(Vehicle));
truelight@0: 	v->index = index;
truelight@0: 
truelight@0: 	assert(v->schedule_ptr == NULL);
truelight@0: 
truelight@0: 	v->left_coord = INVALID_COORD;
truelight@0: 	v->next = NULL;
truelight@0: 	v->next_hash = 0xffff;
truelight@0: 	v->string_id = 0;
truelight@548: 	/* random_bits is used to pick out a random sprite for vehicles
truelight@548: 	    which are technical the same (newgrf stuff).
truelight@548: 	   Because RandomRange() results in desyncs, and because it does
miham@826: 	    not really matter that one client has other visual vehicles than
truelight@548: 	    the other, it can be InteractiveRandomRange() without any problem
truelight@548: 	*/
truelight@547: 	v->random_bits = InteractiveRandomRange(256);
truelight@0: 	return v;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *ForceAllocateSpecialVehicle()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@919: 	FOR_ALL_VEHICLES_FROM(v, NUM_NORMAL_VEHICLES) {
truelight@0: 		if (v->type == 0)
truelight@0: 			return InitializeVehicle(v);
truelight@0: 	}
truelight@0: 	return NULL;
truelight@0: 
truelight@0: }
truelight@0: 
truelight@0: Vehicle *ForceAllocateVehicle()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@919: 	FOR_ALL_VEHICLES(v) {
truelight@919: 		if (v->index >= NUM_NORMAL_VEHICLES)
truelight@919: 			return NULL;
truelight@919: 
truelight@0: 		if (v->type == 0)
truelight@0: 			return InitializeVehicle(v);
truelight@0: 	}
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *AllocateVehicle()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	int num;
truelight@0: 
truelight@0: 	if (IS_HUMAN_PLAYER(_current_player)) {
truelight@0: 		num = 0;
truelight@0: 
truelight@919: 		FOR_ALL_VEHICLES(v) {
truelight@919: 			if (v->index >= NUM_NORMAL_VEHICLES)
truelight@919: 				break;
truelight@919: 
truelight@0: 			if (v->type == 0)
truelight@0: 				num++;
truelight@0: 		}
truelight@0: 
truelight@919: 		if (num <= VEHICLES_MIN_FREE_FOR_AI)
truelight@0: 			return NULL;
truelight@0: 	}
truelight@0: 
truelight@0: 	return ForceAllocateVehicle();
truelight@0: }
truelight@0: 
truelight@0: void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc)
truelight@0: {
truelight@0: 	int x,y,x2,y2;
truelight@0: 	VehicleID veh;
tron@926: 	Point pt = RemapCoords(TileX(tile) * 16, TileY(tile) * 16, 0);
truelight@0: 
truelight@0: 	x2 = ((pt.x + 104) & 0x1F80) >> 7;
truelight@0: 	x  = ((pt.x - 174) & 0x1F80) >> 7;
truelight@0: 
truelight@0: 	y2 = ((pt.y + 56) & 0xFC0);
truelight@0: 	y  = ((pt.y - 294) & 0xFC0);
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		int xb = x;
truelight@0: 		for(;;) {
truelight@0: 			veh = _vehicle_position_hash[ (x+y)&0xFFFF ];
truelight@0: 			while (veh != INVALID_VEHICLE) {
truelight@919: 				Vehicle *v = GetVehicle(veh);
truelight@0: 				void *a;
truelight@193: 
truelight@0: 				if ((a = proc(v, data)) != NULL)
truelight@0: 					return a;
truelight@0: 				veh = v->next_hash;
truelight@0: 			}
truelight@0: 
truelight@0: 			if (x == x2)
truelight@0: 				break;
truelight@0: 
truelight@0: 			x = (x + 1) & 0x3F;
truelight@0: 		}
truelight@0: 		x = xb;
truelight@0: 
truelight@0: 		if (y == y2)
truelight@0: 			break;
truelight@0: 
truelight@0: 		y = (y + 0x40) & ((0x3F) << 6);
truelight@0: 	}
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: 
truelight@0: void UpdateVehiclePosHash(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	VehicleID *old_hash, *new_hash;
truelight@0: 	int old_x = v->left_coord;
truelight@0: 	int old_y = v->top_coord;
truelight@0: 	Vehicle *u;
truelight@0: 
truelight@0: 	new_hash = (x == INVALID_COORD) ? NULL : &_vehicle_position_hash[GEN_HASH(x,y)];
truelight@0: 	old_hash = (old_x == INVALID_COORD) ? NULL : &_vehicle_position_hash[GEN_HASH(old_x, old_y)];
truelight@193: 
truelight@0: 	if (old_hash == new_hash)
truelight@0: 		return;
truelight@0: 
truelight@0: 	/* remove from hash table? */
truelight@0: 	if (old_hash != NULL) {
truelight@0: 		Vehicle *last = NULL;
truelight@0: 		int idx = *old_hash;
truelight@919: 		while ((u = GetVehicle(idx)) != v) {
truelight@0: 			idx = u->next_hash;
truelight@0: 			assert(idx != INVALID_VEHICLE);
truelight@0: 			last = u;
truelight@0: 		}
truelight@0: 
truelight@0: 		if (last == NULL)
truelight@0: 			*old_hash = v->next_hash;
truelight@0: 		else
truelight@0: 			last->next_hash = v->next_hash;
truelight@0: 	}
truelight@0: 
truelight@0: 	/* insert into hash table? */
truelight@0: 	if (new_hash != NULL) {
truelight@0: 		v->next_hash = *new_hash;
truelight@0: 		*new_hash = v->index;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void InitializeVehicles()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	int i;
truelight@0: 
truelight@0: 	// clear it...
truelight@919: 	memset(&_vehicles, 0, sizeof(_vehicles[0]) * _vehicles_size);
darkvater@395: 	memset(&_waypoints, 0, sizeof(_waypoints));
truelight@0: 	memset(&_depots, 0, sizeof(_depots));
truelight@193: 
truelight@0: 	// setup indexes..
truelight@0: 	i = 0;
truelight@0: 	FOR_ALL_VEHICLES(v)
truelight@0: 		v->index = i++;
truelight@0: 
truelight@0: 	memset(_vehicle_position_hash, -1, sizeof(_vehicle_position_hash));
truelight@0: 
truelight@0: 	_ptr_to_next_order = _order_array;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *GetLastVehicleInChain(Vehicle *v)
truelight@0: {
truelight@0: 	while (v->next != NULL) v = v->next;
truelight@0: 	return v;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *GetPrevVehicleInChain(Vehicle *v)
truelight@0: {
truelight@0: 	Vehicle *org = v;
truelight@0: 
truelight@919: 	FOR_ALL_VEHICLES(v) {
truelight@919: 		if (v->type == VEH_Train && org == v->next)
truelight@919: 			return v;
truelight@0: 	}
truelight@0: 
truelight@919: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *GetFirstVehicleInChain(Vehicle *v)
truelight@0: {
truelight@919: 	Vehicle *u;
truelight@919: 
truelight@919: 	while (true) {
truelight@919: 		u = v;
truelight@919: 		v = GetPrevVehicleInChain(v);
truelight@919: 		/* If there is no such vehicle,
truelight@919: 		    'v' == NULL and so 'u' is the first vehicle in chain */
truelight@919: 		if (v == NULL)
truelight@919: 			return u;
truelight@193: 	}
truelight@0: }
truelight@0: 
truelight@0: int CountVehiclesInChain(Vehicle *v)
truelight@0: {
truelight@0: 	int count = 0;
truelight@0: 	do count++; while ( (v=v->next) != NULL);
truelight@0: 	return count;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: Depot *AllocateDepot()
truelight@0: {
truelight@0: 	Depot *dep, *free_dep = NULL;
truelight@0: 	int num_free = 0;
truelight@0: 
truelight@0: 	for(dep = _depots; dep != endof(_depots); dep++) {
truelight@0: 		if (dep->xy == 0) {
truelight@0: 			num_free++;
truelight@0: 			if (free_dep==NULL)
truelight@0: 				free_dep = dep;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@193: 	if (free_dep == NULL ||
truelight@0: 			(num_free < 30 && IS_HUMAN_PLAYER(_current_player))) {
truelight@0: 		_error_message = STR_1009_TOO_MANY_DEPOTS;
truelight@0: 		return NULL;
truelight@0: 	}
truelight@0: 
truelight@193: 	return free_dep;
truelight@0: }
truelight@0: 
darkvater@395: Waypoint *AllocateWaypoint()
truelight@0: {
darkvater@395: 	Waypoint *cp;
truelight@0: 
darkvater@395: 	for(cp = _waypoints; cp != endof(_waypoints); cp++) {
truelight@0: 		if (cp->xy == 0)
truelight@0: 			return cp;
truelight@0: 	}
truelight@0: 
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
darkvater@395: uint GetWaypointByTile(uint tile)
truelight@0: {
darkvater@395: 	Waypoint *cp;
truelight@0: 	int i=0;
darkvater@395: 	for(cp=_waypoints; cp->xy != (TileIndex)tile; cp++) { i++; }
truelight@0: 	return i;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: Vehicle *IsScheduleShared(Vehicle *u)
truelight@0: {
tron@555: 	const Order *sched = u->schedule_ptr;
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->schedule_ptr == sched && u != v && v->type != 0)
truelight@0: 			return v;
truelight@0: 	}
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
truelight@0: void DeleteVehicleSchedule(Vehicle *v)
truelight@0: {
tron@555: 	Order *sched;
tron@555: 	Order *cur;
truelight@0: 	int num;
truelight@0: 	Vehicle *u;
truelight@0: 
truelight@0: 	// if the schedule is shared, don't delete it.
truelight@0: 	if ((u = IsScheduleShared(v)) != NULL) {
truelight@0: 		v->schedule_ptr = NULL;
truelight@0: 		InvalidateWindow(WC_VEHICLE_ORDERS, u->index);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	sched = v->schedule_ptr;
truelight@0: 	v->schedule_ptr = NULL;
truelight@0: 
truelight@0: 	num = v->num_orders + 1;
truelight@0: 
truelight@0: 	_ptr_to_next_order -= num;
truelight@0: 
truelight@0: 	cur = sched;
truelight@0: 	while (cur != _ptr_to_next_order) {
truelight@0: 		assert(cur < _ptr_to_next_order);
truelight@0: 		cur[0] = cur[num];
truelight@0: 		cur++;
truelight@0: 	}
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->schedule_ptr != NULL && sched < v->schedule_ptr) {
truelight@0: 			v->schedule_ptr -= num;
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@555: void DeleteCommandFromVehicleSchedule(Order cmd)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	bool need_invalidate;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type != 0 && v->schedule_ptr != NULL) {
tron@555: 			Order *sched;
truelight@193: 
truelight@0: 			// clear last station visited
tron@555: 			if (v->last_station_visited == cmd.station && cmd.type == OT_GOTO_STATION)
truelight@817: 				v->last_station_visited = 0xFFFF;
truelight@0: 
truelight@0: 			// check the next order
tron@555: 			if (v->current_order.type == cmd.type &&
tron@555: 					v->current_order.station == cmd.station) {
tron@555: 				v->current_order.type = OT_DUMMY;
tron@555: 				v->current_order.flags = 0;
truelight@0: 				InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@0: 			}
truelight@0: 
truelight@0: 			// clear the order list
truelight@0: 			need_invalidate = false;
tron@555: 			for (sched = v->schedule_ptr; sched->type != OT_NOTHING; ++sched) {
tron@555: 				if (sched->type == cmd.type && sched->station == cmd.station) {
tron@555: 					sched->type = OT_DUMMY;
tron@555: 					sched->flags = 0;
truelight@0: 					need_invalidate = true;
truelight@0: 				}
truelight@0: 			}
truelight@0: 
truelight@0: 			if (need_invalidate)
truelight@0: 				InvalidateWindow(WC_VEHICLE_ORDERS, v->index);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DoDeleteDepot(uint tile)
truelight@0: {
tron@555: 	Order order;
truelight@0: 	byte dep_index;
truelight@0: 	Depot *d;
truelight@0: 
truelight@0: 	// Clear it
truelight@0: 	DoClearSquare(tile);
truelight@0: 
truelight@0: 	// Nullify the depot struct
truelight@0: 	for(d=_depots,dep_index=0; d->xy != (TileIndex)tile; d++) {dep_index++;}
truelight@0: 	d->xy = 0;
truelight@0: 
tron@555: 	order.type = OT_GOTO_DEPOT;
tron@555: 	order.flags = 0;
tron@555: 	order.station = dep_index;
tron@555: 	DeleteCommandFromVehicleSchedule(order);
truelight@0: 
truelight@0: 	// Delete the depot
truelight@0: 	DeleteWindowById(WC_VEHICLE_DEPOT, tile);
truelight@0: }
truelight@0: 
truelight@0: void DeleteVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	DeleteName(v->string_id);
truelight@0: 	v->type = 0;
truelight@0: 	UpdateVehiclePosHash(v, INVALID_COORD, 0);
truelight@0: 	v->next_hash = 0xffff;
truelight@0: 
truelight@0: 	if (v->schedule_ptr != NULL)
truelight@0: 		DeleteVehicleSchedule(v);
truelight@0: }
truelight@0: 
truelight@0: void DeleteVehicleChain(Vehicle *v)
truelight@0: {
truelight@0: 	do {
truelight@0: 		Vehicle *u = v;
truelight@0: 		v = v->next;
truelight@0: 		DeleteVehicle(u);
truelight@0: 	} while (v);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void Aircraft_Tick(Vehicle *v);
truelight@0: void RoadVeh_Tick(Vehicle *v);
truelight@0: void Ship_Tick(Vehicle *v);
truelight@0: void Train_Tick(Vehicle *v);
tron@410: static void EffectVehicle_Tick(Vehicle *v);
truelight@0: void DisasterVehicle_Tick(Vehicle *v);
truelight@0: 
truelight@0: VehicleTickProc *_vehicle_tick_procs[] = {
truelight@0: 	Train_Tick,
truelight@0: 	RoadVeh_Tick,
truelight@0: 	Ship_Tick,
truelight@0: 	Aircraft_Tick,
truelight@0: 	EffectVehicle_Tick,
truelight@0: 	DisasterVehicle_Tick,
truelight@0: };
truelight@0: 
truelight@0: void CallVehicleTicks()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type != 0)
truelight@0: 			_vehicle_tick_procs[v->type - 0x10](v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static bool CanFillVehicle_FullLoadAny(Vehicle *v)
truelight@0: {
truelight@0: 	uint32 full = 0, not_full = 0;
truelight@193: 
celestar@924: 	//special handling of aircraft
celestar@924: 	
celestar@924: 	//if the aircraft carries passengers and is NOT full, then
celestar@924: 	//continue loading, no matter how much mail is in
celestar@924: 	if ((v->type == VEH_Aircraft) && (v->cargo_type == CT_PASSENGERS) && (v->cargo_cap != v->cargo_count)) {
celestar@924: 		return true;
celestar@924: 	}
celestar@924: 
truelight@0: 	// patch should return "true" to continue loading, i.e. when there is no cargo type that is fully loaded.
truelight@0: 	do {
truelight@0: 		//Should never happen, but just in case future additions change this
truelight@0: 		assert(v->cargo_type<32);
truelight@0: 
truelight@0: 		if (v->cargo_cap != 0) {
truelight@0: 			uint32 mask = 1 << v->cargo_type;
truelight@0: 			if (v->cargo_cap == v->cargo_count) full |= mask; else not_full |= mask;
truelight@0: 		}
truelight@0: 	} while ( (v=v->next) != NULL);
truelight@0: 
truelight@0: 	// continue loading if there is a non full cargo type and no cargo type that is full
truelight@0: 	return not_full && (full & ~not_full) == 0;
truelight@0: }
truelight@0: 
truelight@0: bool CanFillVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	byte *t = &_map_type_and_height[v->tile];
truelight@0: 
truelight@0: 	if (t[0] >> 4 == MP_STATION ||
truelight@193: 			(v->type == VEH_Ship &&
truelight@0: 			(t[TILE_XY(1,0)] >> 4 == MP_STATION ||
truelight@0: 				t[TILE_XY(-1,0)] >> 4 == MP_STATION ||
truelight@0: 				t[TILE_XY(0,1)] >> 4 == MP_STATION ||
truelight@0: 				t[TILE_XY(0,-1)] >> 4 == MP_STATION ||
truelight@0: 				t[TILE_XY(-2,0)] >> 4 == MP_STATION))) {
truelight@0: 
truelight@0: 		// If patch is active, use alternative CanFillVehicle-function
truelight@0: 		if (_patches.full_load_any)
truelight@0: 			return CanFillVehicle_FullLoadAny(v);
truelight@0: 
truelight@0: 		do {
truelight@0: 			if (v->cargo_count != v->cargo_cap)
truelight@0: 				return true;
truelight@0: 		} while ( (v=v->next) != NULL);
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
truelight@0: static void DoDrawVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	uint32 image = v->cur_image;
truelight@193: 
truelight@0: 	if (v->vehstatus & VS_DISASTER) {
truelight@0: 		image |= 0x3224000;
truelight@0: 	} else if (v->vehstatus & VS_DEFPAL) {
truelight@0: 		image |= (v->vehstatus & VS_CRASHED) ? 0x3248000 : SPRITE_PALETTE(PLAYER_SPRITE_COLOR(v->owner));
truelight@193: 	}
truelight@0: 
truelight@193: 	AddSortableSpriteToDraw(image, v->x_pos + v->x_offs, v->y_pos + v->y_offs,
truelight@0: 		v->sprite_width, v->sprite_height, v->z_height, v->z_pos);
truelight@0: }
truelight@0: 
truelight@0: void ViewportAddVehicles(DrawPixelInfo *dpi)
truelight@0: {
truelight@0: 	int x,xb, y, x2, y2;
truelight@0: 	VehicleID veh;
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	x  = ((dpi->left - 70) & 0x1F80) >> 7;
truelight@0: 	x2 = ((dpi->left + dpi->width) & 0x1F80) >> 7;
truelight@0: 
truelight@0: 	y  = ((dpi->top - 70) & 0xFC0);
truelight@0: 	y2 = ((dpi->top + dpi->height) & 0xFC0);
truelight@0: 
truelight@0: 	for(;;) {
truelight@0: 		xb = x;
truelight@0: 		for(;;) {
truelight@0: 			veh = _vehicle_position_hash[ (x+y)&0xFFFF ];
truelight@0: 			while (veh != INVALID_VEHICLE) {
truelight@919: 				v = GetVehicle(veh);
truelight@193: 
truelight@193: 				if (!(v->vehstatus & VS_HIDDEN) &&
truelight@0: 						dpi->left <= v->right_coord &&
truelight@0: 						dpi->top <= v->bottom_coord &&
truelight@0: 						dpi->left + dpi->width >= v->left_coord &&
truelight@193: 						dpi->top + dpi->height >= v->top_coord) {
truelight@0: 					DoDrawVehicle(v);
truelight@0: 				}
truelight@0: 				veh = v->next_hash;
truelight@0: 			}
truelight@0: 
truelight@0: 			if (x == x2)
truelight@0: 				break;
truelight@0: 			x = (x + 1) & 0x3F;
truelight@0: 		}
truelight@0: 		x = xb;
truelight@0: 
truelight@0: 		if (y == y2)
truelight@0: 			break;
truelight@0: 		y = (y + 0x40) & ((0x3F) << 6);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_0(Vehicle *v)
truelight@0: {
truelight@0: 	uint32 r = Random();
truelight@0: 	v->cur_image = (uint16)((r & 7) + 3701);
truelight@0: 	v->progress = (byte)((r >> 16)&7);
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_0(Vehicle *v)
truelight@0: {
truelight@0: 	uint tile;
truelight@0: 	uint img;
truelight@0: 
truelight@0: 	if (--v->progress & 0x80) {
truelight@0: 		BeginVehicleMove(v);
truelight@193: 
truelight@0: 		tile = TILE_FROM_XY(v->x_pos, v->y_pos);
truelight@0: 		if (!IS_TILETYPE(tile, MP_INDUSTRY)) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: 		img = v->cur_image + 1;
truelight@0: 		if (img > 3708) img = 3701;
truelight@0: 		v->cur_image = img;
truelight@0: 		v->progress = 7;
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_1(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3079;
truelight@0: 	v->progress = 12;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_1(Vehicle *v)
truelight@0: {
truelight@0: 	bool moved;
truelight@193: 
truelight@0: 	BeginVehicleMove(v);
truelight@193: 
truelight@0: 	moved = false;
truelight@193: 
truelight@0: 	if ((++v->progress & 7) == 0) {
truelight@0: 		v->z_pos++;
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
truelight@0: 	if ((v->progress & 0xF)==4) {
truelight@0: 		if (++v->cur_image > 3083) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (moved) {
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_2(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3073;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_2(Vehicle *v)
truelight@0: {
truelight@0: 	if ((++v->progress & 3) == 0) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		v->z_pos++;
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	} else if ((v->progress & 7) == 1) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		if (++v->cur_image > 3078) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		} else {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_3(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3084;
truelight@0: 	v->progress = 1;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_3(Vehicle *v)
truelight@0: {
truelight@0: 	if (++v->progress > 2) {
truelight@0: 		v->progress = 0;
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		if (++v->cur_image > 3089) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		} else {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_4(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 2040;
truelight@0: 	v->progress = 12;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_4(Vehicle *v)
truelight@0: {
truelight@0: 	bool moved;
truelight@193: 
truelight@0: 	BeginVehicleMove(v);
truelight@193: 
truelight@0: 	moved = false;
truelight@193: 
truelight@0: 	if ((++v->progress & 3) == 0) {
truelight@0: 		v->z_pos++;
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
truelight@0: 	if ((v->progress & 0xF)==4) {
truelight@0: 		if (++v->cur_image > 2044) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (moved) {
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_5(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3709;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_5(Vehicle *v)
truelight@0: {
truelight@0: 	if (!(++v->progress & 3)) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		if (++v->cur_image > 3724) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		} else {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_6(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3737;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_6(Vehicle *v)
truelight@0: {
truelight@0: 	if (!(++v->progress & 7)) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		if (++v->cur_image > 3740) v->cur_image = 3737;
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: 
truelight@0: 	if (!--v->u.special.unk0) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 		DeleteVehicle(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_7(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 3725;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
truelight@0: static void EffectTick_7(Vehicle *v)
truelight@0: {
truelight@0: 	if (!(++v->progress & 3)) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		if (++v->cur_image > 3736) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		} else {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_8(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 1416;
truelight@0: 	v->progress = 0;
truelight@0: 	v->u.special.unk0 = 0;
truelight@0: 	v->u.special.unk2 = 0;
truelight@0: }
truelight@0: 
truelight@0: #define MK(imag,dir,dur) (imag<<6)+(dir<<4)+dur
truelight@0: static const byte _effecttick8_data[] = {
truelight@0: 	MK(0,0,4),
truelight@0: 	MK(3,3,4),
truelight@0: 	MK(2,2,7),
truelight@0: 	MK(0,2,7),
truelight@0: 	MK(1,1,3),
truelight@0: 	MK(2,2,7),
truelight@0: 	MK(0,2,7),
truelight@0: 	MK(1,1,3),
truelight@0: 	MK(2,2,7),
truelight@0: 	MK(0,2,7),
truelight@0: 	MK(3,3,6),
truelight@0: 	MK(2,2,6),
truelight@0: 	MK(1,1,7),
truelight@0: 	MK(3,1,7),
truelight@0: 	MK(0,0,3),
truelight@0: 	MK(1,1,7),
truelight@0: 	MK(3,1,7),
truelight@0: 	MK(0,0,3),
truelight@0: 	MK(1,1,7),
truelight@0: 	MK(3,1,7),
truelight@0: 	255
truelight@0: };
truelight@0: #undef MK
truelight@0: 
truelight@0: static const int8 _xy_inc_by_dir[5] = {
truelight@0: 	-1, 0, 1, 0, -1,
truelight@0: };
truelight@0: 
truelight@0: #define GET_X_INC_BY_DIR(d) _xy_inc_by_dir[d]
truelight@0: #define GET_Y_INC_BY_DIR(d) _xy_inc_by_dir[(d)+1]
truelight@0: 
truelight@0: static void EffectTick_8(Vehicle *v)
truelight@0: {
truelight@0: 	byte b;
truelight@0: 
truelight@0: 	if (!(++v->progress & 7)) {
truelight@0: 		v->u.special.unk2++;
truelight@0: 		BeginVehicleMove(v);
truelight@0: 
truelight@0: 		b = _effecttick8_data[v->u.special.unk0];
truelight@0: 
truelight@0: 		v->cur_image = 0x588 + (b>>6);
truelight@0: 
truelight@0: 		v->x_pos += GET_X_INC_BY_DIR((b>>4)&3);
truelight@0: 		v->y_pos += GET_X_INC_BY_DIR((b>>4)&3);
truelight@0: 
truelight@0: 		if (v->u.special.unk2 < (b & 7)) {
truelight@0: 			v->u.special.unk2 = 0;
truelight@0: 			v->u.special.unk0++;
truelight@0: 			if (_effecttick8_data[v->u.special.unk0] == 0xFF) {
truelight@0: 				EndVehicleMove(v);
truelight@0: 				DeleteVehicle(v);
truelight@0: 				return;
truelight@0: 			}
truelight@0: 		}
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void EffectInit_9(Vehicle *v)
truelight@0: {
truelight@0: 	v->cur_image = 4751;
truelight@0: 	v->spritenum = 0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
truelight@0: #define MK(x,y,z,i) (x+4)+(y+4)*16,(z+4)+i*16
truelight@0: 
truelight@0: /* -1,0,1,2 = 2*/
truelight@0: /* -1,0,1   = 2*/
truelight@0: /* */
truelight@0: static const byte _effecttick9_data1[] = {
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,2),
truelight@0: 	0x81,
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: static const byte _effecttick9_data2[] = {
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(-1,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(-1,0,1,2),
truelight@0: 	0x81,
truelight@0: };
truelight@0: 
truelight@0: static const byte _effecttick9_data3[] = {
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,1,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,1,1,2),
truelight@0: 	0x81,
truelight@0: };
truelight@0: 
truelight@0: static const byte _effecttick9_data4[] = {
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,-1,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,-1,1,2),
truelight@0: 	0x81,
truelight@0: };
truelight@0: 
truelight@0: static const byte _effecttick9_data5[] = {
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,7),
truelight@0: 	MK(0,0,1,8),
truelight@0: 	MK(0,0,1,9),
truelight@0: 	0x80,
truelight@0: };
truelight@0: 
truelight@0: static const byte _effecttick9_data6[] = {
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(0,0,1,1),
truelight@0: 	MK(2,1,3,0),
truelight@0: 	MK(1,1,3,1),
truelight@0: 	MK(2,1,3,0),
truelight@0: 	MK(1,1,3,2),
truelight@0: 	MK(2,1,3,0),
truelight@0: 	MK(1,1,3,1),
truelight@0: 	MK(2,1,3,0),
truelight@0: 	MK(1,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,2),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,1),
truelight@0: 	MK(0,0,1,0),
truelight@0: 	MK(1,0,1,2),
truelight@0: 	0x82,0,
truelight@0: 	MK(0,0,0,0xA),
truelight@0: 	MK(0,0,0,0xB),
truelight@0: 	MK(0,0,0,0xC),
truelight@0: 	MK(0,0,0,0xD),
truelight@0: 	MK(0,0,0,0xE),
truelight@0: 	0x80
truelight@0: };
truelight@0: #undef MK
truelight@0: 
truelight@0: static const byte * const _effecttick9_data[6] = {
truelight@0: 	_effecttick9_data1,
truelight@0: 	_effecttick9_data2,
truelight@0: 	_effecttick9_data3,
truelight@0: 	_effecttick9_data4,
truelight@0: 	_effecttick9_data5,
truelight@0: 	_effecttick9_data6,
truelight@0: };
truelight@0: 
truelight@0: static void EffectTick_9(Vehicle *v)
truelight@0: {
truelight@543: 	/*
truelight@543: 	 * Warning: those effects can NOT use Random(), and have to use
truelight@543: 	 *  InteractiveRandom(), because somehow someone forgot to save
truelight@543: 	 *  spritenum to the savegame, and so it will cause desyncs in
truelight@543: 	 *  multiplayer!! (that is: in ToyLand)
truelight@543: 	 */
truelight@0: 	int et;
truelight@0: 	const byte *b;
truelight@0: 
truelight@0: 	if (((++v->progress)&3) != 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	BeginVehicleMove(v);
truelight@0: 
truelight@0: 	et = v->engine_type + 1;
truelight@0: 
truelight@0: 	if (v->spritenum == 0) {
truelight@0: 		if (++v->cur_image < 4754) {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		if (v->u.special.unk2 != 0) {
truelight@543: 			v->spritenum = (byte)((InteractiveRandom()&3)+1);
truelight@0: 		} else {
truelight@0: 			v->spritenum = 6;
truelight@0: 		}
truelight@0: 		et = 0;
truelight@0: 	}
truelight@0: 
truelight@0: again:
truelight@0: 	v->engine_type = et;
truelight@0: 	b = &_effecttick9_data[v->spritenum - 1][et*2];
truelight@0: 
truelight@0: 	if (*b == 0x80) {
truelight@0: 		EndVehicleMove(v);
truelight@0: 		DeleteVehicle(v);
truelight@0: 		return;
truelight@193: 	}
truelight@193: 
truelight@0: 	if (*b == 0x81) {
truelight@543: 		if (v->z_pos > 180 || CHANCE16I(1,96, InteractiveRandom())) {
truelight@0: 			v->spritenum = 5;
tron@541: 			SndPlayVehicleFx(SND_2F_POP, v);
truelight@0: 		}
truelight@0: 		et = 0;
truelight@0: 		goto again;
truelight@193: 	}
truelight@193: 
truelight@0: 	if (*b == 0x82) {
truelight@0: 		uint tile;
truelight@0: 
truelight@0: 		et++;
tron@541: 		SndPlayVehicleFx(SND_31_EXTRACT, v);
truelight@0: 
truelight@0: 		tile = TILE_FROM_XY(v->x_pos, v->y_pos);
truelight@0: 		if (IS_TILETYPE(tile, MP_INDUSTRY) &&
truelight@0: 				_map5[tile]==0xA2) {
truelight@0: 			AddAnimatedTile(tile);
truelight@0: 		}
truelight@0: 		goto again;
truelight@0: 	}
truelight@0: 
truelight@0: 	v->x_pos += (b[0]&0xF) - 4;
truelight@0: 	v->y_pos += (b[0]>>4)  - 4;
truelight@0: 	v->z_pos += (b[1]&0xF) - 4;
truelight@0: 	v->cur_image = 4748 + (b[1] >> 4);
truelight@0: 
truelight@0: 	VehiclePositionChanged(v);
truelight@0: 	EndVehicleMove(v);
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: typedef void EffectInitProc(Vehicle *v);
truelight@0: typedef void EffectTickProc(Vehicle *v);
truelight@0: 
truelight@0: static EffectInitProc * const _effect_init_procs[] = {
truelight@0: 	EffectInit_0,
truelight@0: 	EffectInit_1,
truelight@0: 	EffectInit_2,
truelight@0: 	EffectInit_3,
truelight@0: 	EffectInit_4,
truelight@0: 	EffectInit_5,
truelight@0: 	EffectInit_6,
truelight@0: 	EffectInit_7,
truelight@0: 	EffectInit_8,
truelight@0: 	EffectInit_9,
truelight@0: };
truelight@0: 
truelight@0: static EffectTickProc * const _effect_tick_procs[] = {
truelight@0: 	EffectTick_0,
truelight@0: 	EffectTick_1,
truelight@0: 	EffectTick_2,
truelight@0: 	EffectTick_3,
truelight@0: 	EffectTick_4,
truelight@0: 	EffectTick_5,
truelight@0: 	EffectTick_6,
truelight@0: 	EffectTick_7,
truelight@0: 	EffectTick_8,
truelight@0: 	EffectTick_9,
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: Vehicle *CreateEffectVehicle(int x, int y, int z, int type)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@193: 
truelight@0: 	v = ForceAllocateSpecialVehicle();
truelight@0: 	if (v != NULL) {
truelight@0: 		v->type = VEH_Special;
truelight@0: 		v->subtype = type;
truelight@0: 		v->x_pos = x;
truelight@0: 		v->y_pos = y;
truelight@0: 		v->z_pos = z;
truelight@0: 		v->z_height = v->sprite_width = v->sprite_height = 1;
truelight@0: 		v->x_offs = v->y_offs = 0;
truelight@0: 		v->tile = 0;
truelight@0: 		v->vehstatus = VS_UNCLICKABLE;
truelight@0: 
truelight@0: 		_effect_init_procs[type](v);
truelight@0: 
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: 	return v;
truelight@0: }
truelight@0: 
truelight@0: Vehicle *CreateEffectVehicleAbove(int x, int y, int z, int type)
truelight@0: {
truelight@0: 	return CreateEffectVehicle(x, y, GetSlopeZ(x, y) + z, type);
truelight@0: }
truelight@0: 
truelight@0: Vehicle *CreateEffectVehicleRel(Vehicle *v, int x, int y, int z, int type)
truelight@0: {
truelight@0: 	return CreateEffectVehicle(v->x_pos + x, v->y_pos + y, v->z_pos + z, type);
truelight@0: }
truelight@0: 
tron@410: static void EffectVehicle_Tick(Vehicle *v)
truelight@0: {
truelight@0: 	_effect_tick_procs[v->subtype](v);
truelight@0: }
truelight@0: 
truelight@0: Vehicle *CheckClickOnVehicle(ViewPort *vp, int x, int y)
truelight@0: {
truelight@0: 	Vehicle *found = NULL, *v;
truelight@0: 	uint dist, best_dist = (uint)-1;
truelight@0: 
truelight@0: 	if ( (uint)(x -= vp->left) >= (uint)vp->width ||
truelight@0: 			 (uint)(y -= vp->top) >= (uint)vp->height)
truelight@0: 				return NULL;
truelight@0: 
truelight@0: 	x = (x << vp->zoom) + vp->virtual_left;
truelight@0: 	y = (y << vp->zoom) + vp->virtual_top;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@193: 		if (v->type != 0 && (v->vehstatus & (VS_HIDDEN|VS_UNCLICKABLE)) == 0 &&
truelight@0: 				x >= v->left_coord && x <= v->right_coord &&
truelight@0: 				y >= v->top_coord && y <= v->bottom_coord) {
truelight@193: 
truelight@0: 			dist = max(
truelight@0: 				myabs( ((v->left_coord + v->right_coord)>>1) - x ),
truelight@0: 				myabs( ((v->top_coord + v->bottom_coord)>>1) - y )
truelight@0: 			);
truelight@0: 
truelight@0: 			if (dist < best_dist) {
truelight@0: 				found = v;
truelight@0: 				best_dist = dist;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	return found;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: void DecreaseVehicleValue(Vehicle *v)
truelight@0: {
truelight@0: 	v->value -= v->value >> 8;
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: }
truelight@0: 
truelight@0: static const byte _breakdown_chance[64] = {
truelight@0: 	3, 3, 3, 3, 3, 3, 3, 3,
truelight@0: 	4, 4, 5, 5, 6, 6, 7, 7,
truelight@0: 	8, 8, 9, 9, 10, 10, 11, 11,
truelight@0: 	12, 13, 13, 13, 13, 14, 15, 16,
truelight@0: 	17, 19, 21, 25, 28, 31, 34, 37,
truelight@0: 	40, 44, 48, 52, 56, 60, 64, 68,
truelight@0: 	72, 80, 90, 100, 110, 120, 130, 140,
truelight@0: 	150, 170, 190, 210, 230, 250, 250, 250,
truelight@0: };
truelight@0: 
truelight@0: void CheckVehicleBreakdown(Vehicle *v)
truelight@0: {
truelight@0: 	int rel, rel_old;
truelight@0: 	uint32 r;
truelight@0: 	int chance;
truelight@0: 
truelight@0: 	/* decrease reliability */
truelight@0: 	v->reliability = rel = max((rel_old = v->reliability) - v->reliability_spd_dec, 0);
truelight@0: 	if ((rel_old >> 8) != (rel >> 8))
truelight@0: 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 
truelight@0: 	if (v->breakdown_ctr != 0 || (v->vehstatus & VS_STOPPED) != 0 ||
truelight@0: 			v->cur_speed < 5 || _game_mode == GM_MENU)
truelight@0: 				return;
truelight@0: 
truelight@0: 	r = Random();
truelight@0: 
truelight@0: 	/* increase chance of failure */
truelight@0: 	chance = v->breakdown_chance + 1;
truelight@0: 	if (CHANCE16I(1,25,r)) chance += 25;
truelight@0: 	v->breakdown_chance = min(255, chance);
truelight@0: 
truelight@0: 	/* calculate reliability value to use in comparison */
truelight@0: 	rel = v->reliability;
truelight@0: 	if (v->type == VEH_Ship) rel += 0x6666;
truelight@193: 
truelight@0: 	/* disabled breakdowns? */
truelight@0: 	if (_opt.diff.vehicle_breakdowns < 1)
truelight@0: 		return;
truelight@0: 
truelight@0: 	/* reduced breakdowns? */
truelight@0: 	if (_opt.diff.vehicle_breakdowns == 1) rel += 0x6666;
truelight@0: 
truelight@0: 	/* check if to break down */
truelight@0: 	if (_breakdown_chance[(uint)min(rel, 0xffff) >> 10] <= v->breakdown_chance) {
truelight@0: 		v->breakdown_ctr = (byte)(((r >> 16) & 0x3F) + 0x3F);
truelight@0: 		v->breakdown_delay = (byte)(((r >> 24) & 0x7F) | 0x80);
truelight@0: 		v->breakdown_chance = 0;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static const StringID _vehicle_type_names[4] = {
truelight@0: 	STR_019F_TRAIN,
truelight@0: 	STR_019C_ROAD_VEHICLE,
truelight@0: 	STR_019E_SHIP,
truelight@0: 	STR_019D_AIRCRAFT,
truelight@0: };
truelight@0: 
truelight@0: static void ShowVehicleGettingOld(Vehicle *v, StringID msg)
truelight@0: {
truelight@0: 	if (v->owner != _local_player)
truelight@0: 		return;
truelight@812: 
truelight@26: 	// Do not show getting-old message if autorenew is active
truelight@26: 	if (_patches.autorenew)
truelight@26: 		return;
truelight@0: 
tron@534: 	SetDParam(0, _vehicle_type_names[v->type - 0x10]);
tron@534: 	SetDParam(1, v->unitnumber);
truelight@0: 	AddNewsItem(msg, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0);
truelight@0: }
truelight@0: 
truelight@0: void AgeVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	int age;
truelight@0: 
truelight@0: 	if (v->age < 65535)
truelight@0: 		v->age++;
truelight@0: 
truelight@0: 	age = v->age - v->max_age;
truelight@0: 	if (age == 366*0 || age == 366*1 || age == 366*2 || age == 366*3 || age == 366*4)
truelight@193: 		v->reliability_spd_dec <<= 1;
truelight@193: 
truelight@0: 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 
truelight@0: 	if (age == -366) {
truelight@0: 		ShowVehicleGettingOld(v, STR_01A0_IS_GETTING_OLD);
truelight@0: 	} else if (age == 0) {
truelight@0: 		ShowVehicleGettingOld(v, STR_01A1_IS_GETTING_VERY_OLD);
truelight@0: 	} else if (age == 366*1 || age == 366*2 || age == 366*3 || age == 366*4 || age == 366*5) {
truelight@0: 		ShowVehicleGettingOld(v, STR_01A2_IS_GETTING_VERY_OLD_AND);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@812: extern int32 EstimateTrainCost(const RailVehicleInfo *rvi);
truelight@812: extern int32 EstimateRoadVehCost(byte engine_type);
truelight@812: extern int32 EstimateShipCost(uint16 engine_type);
truelight@812: extern int32 EstimateAircraftCost(uint16 engine_type);
bjarni@842: extern int32 CmdRefitRailVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@842: extern int32 CmdRefitShip(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@842: extern int32 CmdRefitAircraft(int x, int y, uint32 flags, uint32 p1, uint32 p2);
truelight@812: 
bjarni@842: /* Replaces a vehicle (used to be called autorenew)
truelight@812:     p1 - Index of vehicle
truelight@812:     p2 - Type of new engine */
bjarni@842: int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
bjarni@842: 	/* makesvariables to inform about how much money the player wants to have left after replacing
bjarni@842: 	 and which engine to replace with out of p2.
bjarni@842: 	 the first 16 bit is the money. The last 5 digits (all 0) were removed when sent, so we add them again.
bjarni@842: 	 This way the max is 6553 millions and it is more than the 32 bit that is stored in _patches
bjarni@842: 	 This is a nice way to send 32 bit and only use 16 bit
bjarni@842: 	 the last 8 bit is the engine. The 8 bits in front of the engine is free so it have room for 16 bit engine entries */
bjarni@842: 	uint16 new_engine_type = (uint16)(p2 & 0xFFFF);
tron@915: 	uint32 autorefit_money = (p2  >> 16) * 100000;
truelight@919: 	Vehicle *v = GetVehicle(p1);
truelight@812: 	int cost, build_cost;
darkvater@889: 
darkvater@889: 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
tron@915: 
tron@915: 
bjarni@890: 	// first we make sure that it's a valid type the user requested
bjarni@890: 	// check that it's an engine that is in the engine array
bjarni@890: 	if (new_engine_type >= TOTAL_NUM_ENGINES ) return CMD_ERROR;
tron@915: 
bjarni@890: 	// check that the new vehicle type is the same as the original one
bjarni@907: 	if (v->type != DEREF_ENGINE(new_engine_type)->type) return CMD_ERROR;
truelight@812: 
bjarni@890: 	// check that it's the vehicle's owner that requested the replace
bjarni@890: 	if (!CheckOwnership(v->owner)) return CMD_ERROR;
bjarni@890: 
bjarni@890: 
truelight@812: 	switch (v->type) {
bjarni@842: 		case VEH_Train:    build_cost = EstimateTrainCost(RailVehInfo(new_engine_type)); break;
bjarni@842: 		case VEH_Road:     build_cost = EstimateRoadVehCost(new_engine_type);            break;
bjarni@842: 		case VEH_Ship:     build_cost = EstimateShipCost(new_engine_type);               break;
bjarni@842: 		case VEH_Aircraft: build_cost = EstimateAircraftCost(new_engine_type);           break;
truelight@812: 		default: return CMD_ERROR;
truelight@812: 	}
truelight@812: 
truelight@812: 	/* In a rare situation, when 2 clients are connected to 1 company and have the same
truelight@812: 	    settings, a vehicle can be replaced twice.. check if this is the situation here */
bjarni@842: 	if (v->engine_type == new_engine_type && v->age == 0)
truelight@812: 		return CMD_ERROR;
truelight@812: 
truelight@812: 	/* Check if there is money for the upgrade.. if not, give a nice news-item
truelight@812: 	    (that is needed, because this CMD is called automaticly) */
bjarni@842: 	if ( DEREF_PLAYER(v->owner)->money64 < (int32)(autorefit_money + build_cost - v->value)) {
bjarni@842: 		if (( _local_player == v->owner ) && ( v->unitnumber != 0 )) {  //v->unitnumber = 0 for train cars
truelight@812: 			int message;
truelight@812: 			SetDParam(0, v->unitnumber);
truelight@812: 			switch (v->type) {
truelight@812: 				case VEH_Train:    message = STR_TRAIN_AUTORENEW_FAILED;       break;
truelight@812: 				case VEH_Road:     message = STR_ROADVEHICLE_AUTORENEW_FAILED; break;
truelight@812: 				case VEH_Ship:     message = STR_SHIP_AUTORENEW_FAILED;        break;
truelight@812: 				case VEH_Aircraft: message = STR_AIRCRAFT_AUTORENEW_FAILED;    break;
truelight@812: 				// This should never happen
truelight@812: 				default: message = 0; break;
truelight@812: 			}
truelight@812: 
truelight@812: 			AddNewsItem(message, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0);
truelight@812: 		}
truelight@812: 
truelight@812: 		return CMD_ERROR;
truelight@812: 	}
truelight@812: 	cost = build_cost - v->value;
truelight@812: 
truelight@812: 
truelight@812: 	if (flags & DC_EXEC) {
truelight@812: 		Engine *e;
bjarni@907: 		e = DEREF_ENGINE(new_engine_type);
tron@915: 
bjarni@842: 		// TODO make it check if refit is possible before actually doing it
truelight@812: 
truelight@812: 		/* We do not really buy a new vehicle, we upgrade the old one */
truelight@812: 		if (v->engine_type != new_engine_type) {
bjarni@842: 			byte cargo_type = v->cargo_type;
bjarni@842: 			v->engine_type = new_engine_type;
bjarni@842: 			v->max_age = e->lifelength * 366;
tron@915: 
bjarni@842: 			/* Update limits of the vehicle (for when upgraded) */
bjarni@842: 			switch (v->type) {
bjarni@842: 			case VEH_Train:
bjarni@842: 			// using if (true) to declare the const
bjarni@842: 				{
bjarni@842: 				const RailVehicleInfo *rvi = RailVehInfo(new_engine_type);
bjarni@842: 				byte capacity = rvi->capacity;
bjarni@842: 
bjarni@842: 				v->spritenum = rvi->image_index;
bjarni@842: 				v->cargo_type = rvi->cargo_type;
bjarni@842: 				v->cargo_cap = rvi->capacity;
bjarni@842: 				v->max_speed = rvi->max_speed;
bjarni@842: 
bjarni@842: 				v->u.rail.railtype = e->railtype;
tron@915: 
bjarni@842: 				// 0x0100 means that we skip the check for being stopped inside the depot
bjarni@842: 				// since we do not stop it for autorefitting
bjarni@842: 				if (v->cargo_type != cargo_type && capacity) {
bjarni@842: 					// BUG: somehow v->index is not transfered properly
bjarni@842: 					//CmdRefitRailVehicle(v->x_pos, v->y_pos, DC_EXEC, v->index , cargo_type + 0x0100 );
bjarni@842: 					v->cargo_type = cargo_type; // workaround, but it do not check the refit table
bjarni@842: 				} else {
bjarni@842: 					v->cargo_type = rvi->cargo_type;
bjarni@842: 				}
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Road:
bjarni@842: 			// using if (true) to declare the const
bjarni@842: 				if (true) {
bjarni@842: 				const RoadVehicleInfo *rvi = RoadVehInfo(new_engine_type);
bjarni@842: 
bjarni@842: 				v->spritenum = rvi->image_index;
bjarni@842: 				v->cargo_type = rvi->cargo_type;
bjarni@842: 				v->cargo_cap = rvi->capacity;
bjarni@842: 				v->max_speed = rvi->max_speed;
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Ship:
bjarni@842: 			// using if (true) to declare the const
bjarni@842: 				if (true) {
bjarni@842: 				const ShipVehicleInfo *svi = ShipVehInfo(new_engine_type);
bjarni@842: 
bjarni@842: 				v->spritenum = svi->image_index;
bjarni@842: 				v->cargo_type = svi->cargo_type;
bjarni@842: 				v->cargo_cap = svi->capacity;
bjarni@842: 				v->max_speed = svi->max_speed;
tron@915: 
bjarni@842: 				// 0x0100 means that we skip the check for being stopped inside the depot
bjarni@842: 				// since we do not stop it for autorefitting
bjarni@842: 				if (v->cargo_type != cargo_type)
bjarni@842: 					CmdRefitShip(v->x_pos, v->y_pos, DC_EXEC, v->index , cargo_type + 0x0100 );
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Aircraft:
bjarni@842: 			// using if (true) to declare the const
bjarni@842: 				if (true) {
bjarni@842: 				const AircraftVehicleInfo *avi = AircraftVehInfo(new_engine_type);
bjarni@842: 				Vehicle *u;
bjarni@842: 
bjarni@842: 				v->max_speed = avi->max_speed;
bjarni@842: 				v->acceleration = avi->acceleration;
bjarni@842: 				v->spritenum = avi->image_index;
bjarni@842: 
bjarni@842: 					if ( cargo_type == CT_PASSENGERS ) {
celestar@922: 						v->cargo_cap = avi->passenger_capacity;
bjarni@842: 						u = v->next;
bjarni@842: 						u->cargo_cap = avi->mail_capacity;
bjarni@842: 					} else {
bjarni@842: 						// 0x0100 means that we skip the check for being stopped inside the hangar
bjarni@842: 						// since we do not stop it for autorefitting
bjarni@842: 						CmdRefitAircraft(v->x_pos, v->y_pos, DC_EXEC, v->index , cargo_type + 0x0100 );
bjarni@842: 					}
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			default: return CMD_ERROR;
bjarni@842: 			}
bjarni@842: 			// makes sure that the cargo is still valid compared to new capacity
bjarni@842: 			if (v->cargo_count != 0) {
bjarni@842: 				if ( v->cargo_type != cargo_type )
bjarni@842: 					v->cargo_count = 0;
bjarni@842: 				else if ( v->cargo_count > v->cargo_cap )
bjarni@842: 					v->cargo_count = v->cargo_cap;
bjarni@842: 			}
truelight@812: 		}
tron@915: 
truelight@812: 		v->reliability = e->reliability;
truelight@812: 		v->reliability_spd_dec = e->reliability_spd_dec;
truelight@812: 		v->age = 0;
truelight@812: 
truelight@812: 		v->date_of_last_service = _date;
truelight@812: 		v->build_year = _cur_year;
truelight@812: 
truelight@812: 		v->value = build_cost;
truelight@812: 
truelight@812: 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@812: 	}
bjarni@842: 	//needs to be down here because refitting will change SET_EXPENSES_TYPE if called
bjarni@842: 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
truelight@812: 
truelight@812: 	return cost;
truelight@812: }
truelight@812: 
bjarni@842: void MaybeReplaceVehicle(Vehicle *v)
truelight@812: {
bjarni@842: 	uint32 new_engine_and_autoreplace_money;
tron@915: 
truelight@812: 	if (v->owner != _local_player)
truelight@812: 		return;
bjarni@842: 	// uncomment next line if you want to see what engine type just entered a depot
bjarni@842: 	//printf("engine type: %d\n", v->engine_type);
truelight@0: 
truelight@26: 	// A vehicle is autorenewed when it it gets the amount of months
truelight@26: 	//  give by _patches.autorenew_months away for his max age.
truelight@26: 	//  Standard is -6, meaning 6 months before his max age
truelight@26: 	//  It can be any value between -12 and 12.
bjarni@842: 	//  Here it also checks if the vehicles is listed for replacement
bjarni@842: 	if (!_patches.autorenew || v->age - v->max_age < (_patches.autorenew_months * 30)) {  //replace if engine is too old
bjarni@842: 		if (_autoreplace_array[v->engine_type] == v->engine_type && v->type != VEH_Train) //updates to a new model
bjarni@842: 			return;
bjarni@842: 	}
bjarni@842: 	/* Now replace the vehicle */
truelight@829: 	_current_player = v->owner;
tron@915: 
bjarni@842: 	/* makes the variable to inform about how much money the player wants to have left after replacing
bjarni@842: 	 and which engine to replace with
bjarni@842: 	 the first 16 bit is the money. Since we know the last 5 digits is 0, they are thrown away.
bjarni@842: 	 This way the max is 6553 millions and it is more than the 32 bit that is stored in _patches
bjarni@842: 	 This is a nice way to send 32 bit and only use 16 bit
bjarni@842: 	 the last 8 bit is the engine. The 8 bits in front of the engine is free so it have room for 16 bit engine entries */
bjarni@892: 	new_engine_and_autoreplace_money = ((_patches.autorenew_money / 100000) << 16) + _autoreplace_array[v->engine_type];
tron@915: 
bjarni@907: 	assert(v->type == DEREF_ENGINE(_autoreplace_array[v->engine_type])->type);
tron@915: 
bjarni@842: 	if ( v->type != VEH_Train ) {
bjarni@842: 		DoCommandP(v->tile, v->index, new_engine_and_autoreplace_money, NULL, CMD_REPLACE_VEHICLE | CMD_SHOW_NO_ERROR);
bjarni@842: 	} else {
bjarni@892: 	// checks if any of the engines in the train are either old or listed for replacement
bjarni@892: 		do {
bjarni@907: 			if ( v->engine_type != _autoreplace_array[v->engine_type] || (_patches.autorenew && (v->age - v->max_age) > (_patches.autorenew_months * 30))) {
bjarni@892: 				new_engine_and_autoreplace_money = (new_engine_and_autoreplace_money & 0xFFFF0000) + _autoreplace_array[v->engine_type]; // sets the new engine replacement type
bjarni@892: 				DoCommandP(v->tile, v->index, new_engine_and_autoreplace_money, NULL, CMD_REPLACE_VEHICLE | CMD_SHOW_NO_ERROR);
bjarni@842: 			}
bjarni@892: 		} while ((v=v->next) != NULL);
bjarni@842: 	}
bjarni@842: 	_current_player = OWNER_NONE;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: int32 CmdNameVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	StringID str;
truelight@0: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
truelight@0: 	if (!CheckOwnership(v->owner))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@543: 	str = AllocateNameUnique((byte*)_decode_parameters, 2);
truelight@0: 	if (str == 0)
truelight@0: 		return CMD_ERROR;
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		StringID old_str = v->string_id;
truelight@0: 		v->string_id = str;
truelight@0: 		DeleteName(old_str);
tron@588: 		ResortVehicleLists();
truelight@0: 		MarkWholeScreenDirty();
truelight@0: 	} else {
truelight@0: 		DeleteName(str);
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: 
truelight@0: static Rect _old_vehicle_coords;
truelight@0: 
truelight@0: void BeginVehicleMove(Vehicle *v) {
truelight@0: 	_old_vehicle_coords.left = v->left_coord;
truelight@0: 	_old_vehicle_coords.top = v->top_coord;
truelight@0: 	_old_vehicle_coords.right = v->right_coord;
truelight@0: 	_old_vehicle_coords.bottom = v->bottom_coord;
truelight@0: }
truelight@0: 
truelight@0: void EndVehicleMove(Vehicle *v)
truelight@0: {
truelight@0: 	MarkAllViewportsDirty(
truelight@0: 		min(_old_vehicle_coords.left,v->left_coord),
truelight@0: 		min(_old_vehicle_coords.top,v->top_coord),
truelight@0: 		max(_old_vehicle_coords.right,v->right_coord)+1,
truelight@0: 		max(_old_vehicle_coords.bottom,v->bottom_coord)+1
truelight@0: 	);
truelight@0: }
truelight@0: 
truelight@0: void InvalidateVehicleOrderWidget(Vehicle *v)
truelight@0: {
darkvater@755: 	InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
truelight@0: 	InvalidateWindowWidget(WC_VEHICLE_ORDERS, v->index, 2);
truelight@0: }
truelight@0: 
truelight@0: /* returns true if staying in the same tile */
truelight@0: bool GetNewVehiclePos(Vehicle *v, GetNewVehiclePosResult *gp)
truelight@0: {
truelight@0: 	static const int8 _delta_coord[16] = {
truelight@0: 		-1,-1,-1, 0, 1, 1, 1, 0, /* x */
truelight@0: 		-1, 0, 1, 1, 1, 0,-1,-1, /* y */
truelight@0: 	};
truelight@0: 
truelight@0: 	int x = v->x_pos + _delta_coord[v->direction];
truelight@0: 	int y = v->y_pos + _delta_coord[v->direction + 8];
truelight@0: 
truelight@0: 	gp->x = x;
truelight@0: 	gp->y = y;
truelight@0: 	gp->old_tile = v->tile;
truelight@0: 	gp->new_tile = TILE_FROM_XY(x,y);
truelight@0: 	return gp->old_tile == gp->new_tile;
truelight@0: }
truelight@0: 
truelight@0: static const byte _new_direction_table[9] = {
truelight@0: 	0, 7, 6,
truelight@0: 	1, 3, 5,
truelight@0: 	2, 3, 4,
truelight@0: };
truelight@0: 
truelight@0: byte GetDirectionTowards(Vehicle *v, int x, int y)
truelight@0: {
truelight@0: 	byte dirdiff, dir;
truelight@0: 	int i = 0;
truelight@0: 
truelight@0: 	if (y >= v->y_pos) {
truelight@0: 		if (y != v->y_pos) i+=3;
truelight@0: 		i+=3;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (x >= v->x_pos) {
truelight@0: 		if (x != v->x_pos) i++;
truelight@0: 		i++;
truelight@0: 	}
truelight@0: 
truelight@0: 	dir = v->direction;
truelight@0: 
truelight@0: 	dirdiff = _new_direction_table[i] - dir;
truelight@0: 	if (dirdiff == 0)
truelight@0: 		return dir;
truelight@0: 	return (dir+((dirdiff&7)<5?1:-1)) & 7;
truelight@0: }
truelight@0: 
darkvater@22: /* Return value has bit 0x2 set, when the vehicle enters a station. Then,
darkvater@22:  * result << 8 contains the id of the station entered. If the return value has
darkvater@22:  * bit 0x8 set, the vehicle could not and did not enter the tile. Are there
darkvater@22:  * other bits that can be set? */
truelight@0: uint32 VehicleEnterTile(Vehicle *v, uint tile, int x, int y)
truelight@193: {
truelight@0: 	uint old_tile = v->tile;
truelight@0: 	uint32 result = _tile_type_procs[GET_TILETYPE(tile)]->vehicle_enter_tile_proc(v, tile, x, y);
truelight@193: 
darkvater@22: 	/* When vehicle_enter_tile_proc returns 8, that apparently means that
darkvater@22: 	 * we cannot enter the tile at all. In that case, don't call
darkvater@22: 	 * leave_tile. */
truelight@0: 	if (!(result & 8) && old_tile != tile) {
truelight@0: 		VehicleLeaveTileProc *proc = _tile_type_procs[GET_TILETYPE(old_tile)]->vehicle_leave_tile_proc;
truelight@0: 		if (proc != NULL)
truelight@0: 			proc(v, old_tile, x, y);
truelight@0: 	}
truelight@0: 	return result;
truelight@0: }
truelight@0: 
truelight@0: uint GetFreeUnitNumber(byte type)
truelight@0: {
truelight@0: 	uint unit_num = 0;
truelight@0: 	Vehicle *u;
truelight@0: 
truelight@0: restart:
truelight@0: 	unit_num++;
truelight@0: 	FOR_ALL_VEHICLES(u) {
truelight@193: 		if (u->type == type && u->owner == _current_player &&
truelight@0: 		    unit_num == u->unitnumber)
truelight@0: 					goto restart;
truelight@0: 	}
truelight@0: 	return unit_num;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: // Save and load of vehicles
truelight@0: const byte _common_veh_desc[] = {
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
truelight@193: 
truelight@0: 	SLE_VAR(Vehicle,next_in_chain_old, SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,string_id,				SLE_STRINGID),
truelight@0: 	SLE_VAR(Vehicle,unitnumber,				SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,owner,						SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,tile,							SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,dest_tile,				SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,x_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,y_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,z_pos,						SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,direction,				SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,cur_image,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,spritenum,				SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,sprite_width,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,sprite_height,		SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,z_height,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,x_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,y_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,engine_type,			SLE_UINT16),
tron@445: 
truelight@0: 	SLE_VAR(Vehicle,max_speed,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,cur_speed,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,subspeed,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,acceleration,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,progress,					SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,vehstatus,				SLE_UINT8),
truelight@817: 	SLE_CONDVAR(Vehicle,last_station_visited, SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@817: 	SLE_CONDVAR(Vehicle,last_station_visited, SLE_UINT16, 5, 255),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,cargo_type,				SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,cargo_days,				SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,cargo_source,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,cargo_cap,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,cargo_count,			SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,day_counter,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,tick_counter,			SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,cur_order_index,	SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,num_orders,				SLE_UINT8),
tron@555: 	SLE_VAR(Vehicle,current_order,		SLE_UINT8), /* XXX hack to avoid version bump */
darkvater@556: 	#if _MSC_VER != 1200
tron@555: 	SLE_VAR(Vehicle,current_order.station, SLE_UINT8),
darkvater@556: 	#else /* XXX workaround for MSVC6 */
darkvater@556: 	SLE_VAR2(Vehicle, current_order, Order, station, SLE_UINT8),
darkvater@556: 	#endif
truelight@0: 	SLE_REF(Vehicle,schedule_ptr,			REF_SCHEDULE),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,age,							SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,max_age,					SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,date_of_last_service,SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,service_interval,	SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,reliability,			SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,reliability_spd_dec,SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,breakdown_ctr,		SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,breakdown_delay,	SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,breakdowns_since_last_service,	SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,breakdown_chance,	SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,build_year,				SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,load_unload_time_rem,	SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,profit_this_year,	SLE_INT32),
truelight@0: 	SLE_VAR(Vehicle,profit_last_year,	SLE_INT32),
truelight@0: 	SLE_VAR(Vehicle,value,						SLE_UINT32),
truelight@0: 
tron@445: 	SLE_VAR(Vehicle,random_bits,       SLE_UINT8),
tron@445: 	SLE_VAR(Vehicle,waiting_triggers,  SLE_UINT8),
tron@445: 
tron@445: 	// reserve extra space in savegame here. (currently 14 bytes)
tron@445: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 2, 2, 255), /* 2 */
tron@445: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U16 | SLE_VAR_NULL, 2, 2, 255), /* 4 */
tron@445: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U32 | SLE_VAR_NULL, 2, 2, 255), /* 8 */
truelight@193: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: static const byte _train_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Train, 0), // Train type. VEH_Train in mem, 0 in file.
truelight@0: 	SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,crash_anim_pos), SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,force_proceed), SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,railtype), SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,track), SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,flags), SLE_UINT8, 2, 255),
truelight@0: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,days_since_order_progr), SLE_UINT16, 2, 255),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 13 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 13, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static const byte _roadveh_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Road, 1), // Road type. VEH_Road in mem, 1 in file.
truelight@0: 	SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,state),					SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,frame),					SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,unk2),					SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,overtaking),		SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,overtaking_ctr),SLE_UINT8),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,crashed_ctr),		SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,reverse_ctr),			SLE_UINT8),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 16 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static const byte _ship_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Ship, 2), // Ship type. VEH_Ship in mem, 2 in file.
truelight@0: 	SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleShip,state),				SLE_UINT8),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 16 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static const byte _aircraft_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Aircraft, 3), // Aircraft type. VEH_Aircraft in mem, 3 in file.
truelight@0: 	SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,crashed_counter),	SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,pos),							SLE_UINT8),
truelight@817: 
truelight@817: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleAir,targetairport),		SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@817: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleAir,targetairport),		SLE_UINT16, 5, 255),
truelight@817: 
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,state),						SLE_UINT8),
truelight@193: 
truelight@0: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleAir,previous_pos),			SLE_UINT8, 2, 255),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 15 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 15, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static const byte _special_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Special, 4),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
truelight@193: 
truelight@0: 	SLE_VAR(Vehicle,tile,							SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,x_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,y_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,z_pos,						SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,cur_image,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,sprite_width,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,sprite_height,		SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,z_height,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,x_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,y_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,progress,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,vehstatus,				SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleSpecial,unk0),	SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleSpecial,unk2),	SLE_UINT8),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 16 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static const byte _disaster_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Disaster, 5),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,next_in_chain_old,SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,tile,							SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,dest_tile,				SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,x_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,y_pos,						SLE_INT16),
truelight@0: 	SLE_VAR(Vehicle,z_pos,						SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,direction,				SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,x_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,y_offs,						SLE_INT8),
truelight@0: 	SLE_VAR(Vehicle,sprite_width,			SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,sprite_height,		SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,z_height,					SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,owner,						SLE_UINT8),
truelight@0: 	SLE_VAR(Vehicle,vehstatus,				SLE_UINT8),
darkvater@556: 	#if _MSC_VER != 1200
tron@555: 	SLE_VAR(Vehicle,current_order.station, SLE_UINT8),
darkvater@556: 	#else /* XXX workaround for MSVC6 */
darkvater@556: 	SLE_VAR2(Vehicle, current_order, Order, station, SLE_UINT8),
darkvater@556: 	#endif
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,cur_image,				SLE_UINT16),
truelight@0: 	SLE_VAR(Vehicle,age,							SLE_UINT16),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,tick_counter,			SLE_UINT8),
truelight@0: 
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleDisaster,image_override),	SLE_UINT16),
truelight@0: 	SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleDisaster,unk2),						SLE_UINT16),
truelight@0: 
truelight@0: 	// reserve extra space in savegame here. (currently 16 bytes)
truelight@0: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: static const void *_veh_descs[] = {
truelight@0: 	_train_desc,
truelight@0: 	_roadveh_desc,
truelight@0: 	_ship_desc,
truelight@0: 	_aircraft_desc,
truelight@0: 	_special_desc,
truelight@0: 	_disaster_desc,
truelight@0: };
truelight@0: 
truelight@0: // Will be called when the vehicles need to be saved.
truelight@0: static void Save_VEHS()
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	// Write the vehicles
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type != 0) {
truelight@817: 			/* XXX - Here for now, because we did not bump the savegame to version 5 yet */
truelight@817: 			if (_sl.version < 5 && v->last_station_visited == 0xFFFF)
truelight@817: 				v->last_station_visited = 0xFF;
truelight@817: 
truelight@0: 			SlSetArrayIndex(v->index);
truelight@0: 			v->next_in_chain_old = v->next ? v->next->index : INVALID_VEHICLE;
truelight@0: 			SlObject(v, _veh_descs[v->type - 0x10]);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: // Will be called when vehicles need to be loaded.
truelight@0: static void Load_VEHS()
truelight@0: {
truelight@0: 	int index;
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	while ((index = SlIterateArray()) != -1) {
truelight@919: 		Vehicle *v = GetVehicle(index);
truelight@919: 
truelight@0: 		v->next_in_chain_old = INVALID_VEHICLE;
truelight@0: 		SlObject(v, _veh_descs[SlReadByte()]);
truelight@919: 		v->next = (v->next_in_chain_old == INVALID_VEHICLE) ? NULL : GetVehicle(v->next_in_chain_old);
truelight@0: 		if (v->type == VEH_Train)
truelight@0: 			v->u.rail.first_engine = 0xffff;
truelight@817: 
truelight@817: 		/* Old savegames used 'last_station_visited = 0xFF', should be 0xFFFF */
truelight@817: 		if (_sl.version < 5 && v->last_station_visited == 0xFF)
truelight@817: 			v->last_station_visited = 0xFFFF;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Iterate through trains and set first_engine appropriately.
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		Vehicle *w;
truelight@0: 
truelight@0: 		if (v->type != VEH_Train || v->subtype != 0)
truelight@0: 			continue;
truelight@0: 
truelight@0: 		for (w = v->next; w; w = w->next)
truelight@0: 			w->u.rail.first_engine = v->engine_type;
truelight@0: 	}
truelight@919: 
truelight@919: 	/* This is to ensure all pointers are within the limits of
truelight@919: 	    _vehicles_size */
truelight@919: 	if (_vehicle_id_ctr_day >= _vehicles_size)
truelight@919: 		_vehicle_id_ctr_day = 0;
truelight@0: }
truelight@0: 
truelight@0: static const byte _depot_desc[] = {
truelight@0: 	SLE_VAR(Depot,xy,						SLE_UINT16),
truelight@0: 	SLE_VAR(Depot,town_index,		SLE_UINT16),
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static void Save_DEPT()
truelight@0: {
truelight@0: 	Depot *d;
truelight@0: 	int i;
truelight@0: 	for(i=0,d=_depots; i!=lengthof(_depots); i++,d++) {
truelight@0: 		if (d->xy != 0) {
truelight@0: 			SlSetArrayIndex(i);
truelight@0: 			SlObject(d, _depot_desc);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void Load_DEPT()
truelight@0: {
truelight@0: 	int index;
truelight@0: 	while ((index = SlIterateArray()) != -1) {
truelight@0: 		SlObject(&_depots[index], _depot_desc);
truelight@0: 	}
truelight@0: }
truelight@0: 
darkvater@395: static const byte _waypoint_desc[] = {
darkvater@395: 	SLE_VAR(Waypoint,xy,								SLE_UINT16),
darkvater@395: 	SLE_VAR(Waypoint,town_or_string,		SLE_UINT16),
darkvater@395: 	SLE_VAR(Waypoint,deleted,						SLE_UINT8),
truelight@0: 
darkvater@395: 	SLE_CONDVAR(Waypoint, build_date, SLE_UINT16, 3, 255),
darkvater@395: 	SLE_CONDVAR(Waypoint, stat_id, SLE_UINT8, 3, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static void Save_CHKP()
truelight@0: {
darkvater@395: 	Waypoint *cp;
truelight@0: 	int i;
darkvater@395: 	for(i=0,cp=_waypoints; i!=lengthof(_waypoints); i++,cp++) {
truelight@0: 		if (cp->xy != 0) {
truelight@0: 			SlSetArrayIndex(i);
darkvater@395: 			SlObject(cp, _waypoint_desc);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void Load_CHKP()
truelight@0: {
truelight@0: 	int index;
truelight@0: 	while ((index = SlIterateArray()) != -1) {
darkvater@395: 		SlObject(&_waypoints[index], _waypoint_desc);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: static void Save_ORDR()
truelight@0: {
tron@555: 	uint16 orders[lengthof(_order_array)];
truelight@0: 	uint len = _ptr_to_next_order - _order_array;
tron@555: 	uint i;
tron@555: 
tron@555: 	assert (len <= lengthof(orders));
tron@555: 
tron@555: 	for (i = 0; i < len; ++i)
tron@555: 		orders[i] = PackOrder(&_order_array[i]);
tron@555: 
tron@555: 	SlArray(orders, len, SLE_UINT16);
truelight@0: }
truelight@0: 
truelight@0: static void Load_ORDR()
truelight@0: {
tron@555: 	uint16 orders[lengthof(_order_array)];
truelight@0: 	uint len = SlGetFieldLength() >> 1;
tron@555: 	uint i;
tron@555: 
tron@555: 	assert (len <= lengthof(orders));
tron@555: 
truelight@0: 	_ptr_to_next_order = _order_array + len;
tron@555: 	SlArray(orders, len, SLE_UINT16);
tron@555: 
tron@555: 	for (i = 0; i < len; ++i)
tron@585: 		_order_array[i] = UnpackOrder(orders[i]);
truelight@0: }
truelight@0: 
truelight@0: const ChunkHandler _veh_chunk_handlers[] = {
truelight@0: 	{ 'VEHS', Save_VEHS, Load_VEHS, CH_SPARSE_ARRAY},
truelight@0: 	{ 'ORDR', Save_ORDR, Load_ORDR, CH_RIFF},
truelight@0: 	{ 'DEPT', Save_DEPT, Load_DEPT, CH_ARRAY},
truelight@0: 	{ 'CHKP', Save_CHKP, Load_CHKP, CH_ARRAY | CH_LAST},
truelight@0: };
truelight@0: 
truelight@0: