tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@1349: #include "spritecache.h"
tron@1364: #include "table/sprites.h"
tron@507: #include "table/strings.h"
tron@2163: #include "functions.h"
tron@679: #include "map.h"
tron@1209: #include "tile.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "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"
celestar@1601: #include "debug.h"
matthijs@1752: #include "vehicle_gui.h"
matthijs@1758: #include "depot.h"
matthijs@1758: #include "station.h"
bjarni@2244: #include "gui.h"
matthijs@1942: #include "rail.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@1279: 	/* Max vehicles: 64000 (512 * 125) */
truelight@1279: 	VEHICLES_POOL_BLOCK_SIZE_BITS = 9,       /* In bits, so (1 << 9) == 512 */
truelight@1279: 	VEHICLES_POOL_MAX_BLOCKS      = 125,
truelight@1279: 
truelight@1279: 	BLOCKS_FOR_SPECIAL_VEHICLES   = 2, //! Blocks needed for special vehicles
truelight@919: };
truelight@919: 
truelight@1279: /**
truelight@1279:  * Called if a new block is added to the vehicle-pool
truelight@1279:  */
truelight@1279: static void VehiclePoolNewBlock(uint start_item)
truelight@1279: {
truelight@1279: 	Vehicle *v;
truelight@1279: 
truelight@1279: 	FOR_ALL_VEHICLES_FROM(v, start_item)
truelight@1279: 		v->index = start_item++;
truelight@1279: }
truelight@1279: 
truelight@1279: /* Initialize the vehicle-pool */
truelight@1279: MemoryPool _vehicle_pool = { "Vehicle", VEHICLES_POOL_MAX_BLOCKS, VEHICLES_POOL_BLOCK_SIZE_BITS, sizeof(Vehicle), &VehiclePoolNewBlock, 0, 0, NULL };
truelight@1279: 
bjarni@578: void VehicleServiceInDepot(Vehicle *v)
bjarni@578: {
bjarni@578: 	v->date_of_last_service = _date;
bjarni@578: 	v->breakdowns_since_last_service = 0;
tron@1926: 	v->reliability = GetEngine(v->engine_type)->reliability;
bjarni@578: }
truelight@0: 
tron@593: bool VehicleNeedsService(const Vehicle *v)
tron@593: {
darkvater@1037: 	if (_patches.no_servicing_if_no_breakdowns && _opt.diff.vehicle_breakdowns == 0)
darkvater@1037: 		return false;
darkvater@1037: 
matthijs@1757: 	if (v->vehstatus & VS_CRASHED)
matthijs@1757: 		return false; /* Crashed vehicles don't need service anymore */
matthijs@1757: 
truelight@812: 	return _patches.servint_ispercent ?
tron@1926: 		(v->reliability < GetEngine(v->engine_type)->reliability * (100 - v->service_interval) / 100) :
tron@593: 		(v->date_of_last_service + v->service_interval < _date);
tron@593: }
tron@593: 
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: 
darkvater@1082: static inline uint Correct_Z(uint tileh)
darkvater@1082: {
darkvater@1082: 	// needs z correction for slope-type graphics that have the NORTHERN tile lowered
darkvater@1082: 	// 1, 2, 3, 4, 5, 6 and 7
tron@1394: 	return CorrectZ(tileh) ? 8 : 0;
darkvater@1082: }
darkvater@1082: 
darkvater@1082: uint GetCorrectTileHeight(TileIndex tile)
darkvater@1082: {
tron@1192: 	return Correct_Z(GetTileSlope(tile, NULL));
darkvater@1082: }
darkvater@1082: 
truelight@0: bool EnsureNoVehicleZ(TileIndex tile, byte z)
truelight@0: {
truelight@0: 	TileInfo ti;
tron@537: 
truelight@0: 	FindLandscapeHeightByTile(&ti, tile);
darkvater@1082: 	ti.z = z + Correct_Z(ti.tileh);
tron@537: 
tron@537: 	return VehicleFromPos(tile, &ti, EnsureNoVehicleProcZ) == NULL;
truelight@0: }
truelight@0: 
truelight@1605: Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z)
truelight@1605: {
truelight@1605: 	TileInfo ti;
truelight@1605: 
truelight@1605: 	ti.tile = tile;
truelight@1605: 	ti.z = z;
truelight@1605: 
truelight@1605: 	return VehicleFromPos(tile, &ti, EnsureNoVehicleProcZ);
truelight@1605: }
truelight@1605: 
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: 
truelight@0: // Called after load to update coordinates
tron@1093: void AfterLoadVehicles(void)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	FOR_ALL_VEHICLES(v) {
celestar@1601: 		v->first = NULL;
truelight@0: 		if (v->type != 0) {
truelight@0: 			v->left_coord = INVALID_COORD;
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 
hackykid@1917: 			if (v->type == VEH_Train && (v->subtype == TS_Front_Engine || v->subtype == TS_Free_Car))
hackykid@1905: 				TrainConsistChanged(v);
truelight@0: 		}
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@1024: 	assert(v->orders == NULL);
truelight@0: 
truelight@0: 	v->left_coord = INVALID_COORD;
celestar@1601: 	v->first = NULL;
truelight@0: 	v->next = NULL;
Darkvater@1765: 	v->next_hash = INVALID_VEHICLE;
truelight@0: 	v->string_id = 0;
truelight@1111: 	v->next_shared = NULL;
truelight@1111: 	v->prev_shared = NULL;
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: 
tron@1093: Vehicle *ForceAllocateSpecialVehicle(void)
truelight@0: {
truelight@1279: 	/* This stays a strange story.. there should always be room for special
truelight@1279: 	 * vehicles (special effects all over the map), but with 65k of vehicles
truelight@1279: 	 * is this realistic to double-check for that? For now we just reserve
truelight@1279: 	 * BLOCKS_FOR_SPECIAL_VEHICLES times block_size vehicles that may only
truelight@1279: 	 * be used for special vehicles.. should work nicely :) */
truelight@0: 
truelight@1279: 	Vehicle *v;
truelight@0: 
truelight@919: 	FOR_ALL_VEHICLES(v) {
truelight@1279: 		/* No more room for the special vehicles, return NULL */
truelight@1279: 		if (v->index >= (1 << _vehicle_pool.block_size_bits) * BLOCKS_FOR_SPECIAL_VEHICLES)
truelight@919: 			return NULL;
truelight@919: 
truelight@0: 		if (v->type == 0)
truelight@0: 			return InitializeVehicle(v);
truelight@0: 	}
truelight@1279: 
truelight@0: 	return NULL;
truelight@0: }
truelight@0: 
tron@1093: Vehicle *AllocateVehicle(void)
truelight@0: {
truelight@1279: 	/* See note by ForceAllocateSpecialVehicle() why we skip the
truelight@1279: 	 * first blocks */
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@1279: 	FOR_ALL_VEHICLES_FROM(v, (1 << _vehicle_pool.block_size_bits) * BLOCKS_FOR_SPECIAL_VEHICLES) {
truelight@1279: 		if (v->type == 0)
truelight@1279: 			return InitializeVehicle(v);
truelight@0: 	}
truelight@0: 
truelight@1279: 	/* Check if we can add a block to the pool */
truelight@1279: 	if (AddBlockToPool(&_vehicle_pool))
truelight@1279: 		return AllocateVehicle();
truelight@1279: 
truelight@1279: 	return NULL;
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: 
tron@1093: void InitializeVehicles(void)
truelight@0: {
truelight@0: 	int i;
truelight@0: 
truelight@1279: 	/* Clean the vehicle pool, and reserve enough blocks
truelight@1279: 	 *  for the special vehicles, plus one for all the other
truelight@1279: 	 *  vehicles (which is increased on-the-fly) */
truelight@1279: 	CleanPool(&_vehicle_pool);
truelight@1279: 	AddBlockToPool(&_vehicle_pool);
truelight@1279: 	for (i = 0; i < BLOCKS_FOR_SPECIAL_VEHICLES; i++)
truelight@1279: 		AddBlockToPool(&_vehicle_pool);
truelight@1279: 
truelight@0: 	// clear it...
truelight@0: 	memset(_vehicle_position_hash, -1, sizeof(_vehicle_position_hash));
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: 
celestar@1985: /** Finds the previous vehicle in a chain, by a brute force search.
celestar@1985:  * This old function is REALLY slow because it searches through all vehicles to
celestar@1985:  * find the previous vehicle, but if v->first has not been set, then this function
celestar@1985:  * will need to be used to find the previous one. This function should never be
celestar@1985:  * called by anything but GetFirstVehicleInChain
celestar@1985:  */
celestar@1985: static Vehicle *GetPrevVehicleInChain_bruteforce(const Vehicle *v)
celestar@1985: {
celestar@1985: 	Vehicle *u;
matthijs@2006: 
celestar@1985: 	FOR_ALL_VEHICLES(u) if (u->type == VEH_Train && u->next == v) return u;
matthijs@2006: 
celestar@1985: 	return NULL;
celestar@1985: }
celestar@1985: 
celestar@1985: /** Find the previous vehicle in a chain, by using the v->first cache.
celestar@1985:  * While this function is fast, it cannot be used in the GetFirstVehicleInChain
celestar@1985:  * function, otherwise you'll end up in an infinite loop call
celestar@1985:  */
tron@1475: Vehicle *GetPrevVehicleInChain(const Vehicle *v)
truelight@0: {
tron@1600: 	Vehicle *u;
celestar@1985: 	assert(v != NULL);
truelight@0: 
celestar@1985: 	u = GetFirstVehicleInChain(v);
celestar@1985: 
celestar@1985:  	// Check to see if this is the first
celestar@1985: 	if (v == u) return NULL;
celestar@1985: 
celestar@1985: 	do {
celestar@1985: 		if (u->next == v) return u;
celestar@1985: 	} while ( ( u = u->next) != NULL);
truelight@0: 
truelight@919: 	return NULL;
truelight@0: }
truelight@0: 
celestar@1985: /** Finds the first vehicle in a chain.
celestar@1985:  * This function reads out the v->first cache. Should the cache be dirty,
celestar@1985:  * it determines the first vehicle in a chain, and updates the cache.
celestar@1985:  */
tron@1475: Vehicle *GetFirstVehicleInChain(const Vehicle *v)
truelight@0: {
celestar@1601: 	Vehicle* u;
celestar@1601: 
celestar@1985: 	assert(v != NULL);
celestar@1985: 
celestar@1601: 	if (v->first != NULL) {
Darkvater@1765: 		if (v->first->subtype == TS_Front_Engine) return v->first;
Darkvater@1765: 
Darkvater@1765: 		DEBUG(misc, 0) ("v->first cache faulty. We shouldn't be here, rebuilding cache!");
celestar@1601: 	}
truelight@919: 
Darkvater@1765: 	/* It is the fact (currently) that newly built vehicles do not have
Darkvater@1765: 	* their ->first pointer set. When this is the case, go up to the
Darkvater@1765: 	* first engine and set the pointers correctly. Also the first pointer
Darkvater@1765: 	* is not saved in a savegame, so this has to be fixed up after loading */
Darkvater@1765: 
Darkvater@1765: 	/* Find the 'locomotive' or the first wagon in a chain */
celestar@1985: 	while ((u = GetPrevVehicleInChain_bruteforce(v)) != NULL) v = u;
tron@1600: 
Darkvater@1765: 	/* Set the first pointer of all vehicles in that chain to the first wagon */
celestar@1601: 	if (v->subtype == TS_Front_Engine)
celestar@1601: 		for (u = (Vehicle *)v; u != NULL; u = u->next) u->first = (Vehicle *)v;
celestar@1601: 
tron@1600: 	return (Vehicle*)v;
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: void DeleteVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	DeleteName(v->string_id);
truelight@0: 	v->type = 0;
truelight@0: 	UpdateVehiclePosHash(v, INVALID_COORD, 0);
Darkvater@1765: 	v->next_hash = INVALID_VEHICLE;
truelight@0: 
truelight@1024: 	if (v->orders != NULL)
truelight@1024: 		DeleteVehicleOrders(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);
Darkvater@1765: 	} while (v != NULL);
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: 
tron@1093: void CallVehicleTicks(void)
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
truelight@941: 
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: {
tron@1058: 	TileIndex tile = v->tile;
truelight@0: 
tron@1058: 	if (IsTileType(tile, MP_STATION) ||
tron@1058: 			(v->type == VEH_Ship && (
tron@1058: 				IsTileType(TILE_ADDXY(tile,  1,  0), MP_STATION) ||
tron@1058: 				IsTileType(TILE_ADDXY(tile, -1,  0), MP_STATION) ||
tron@1058: 				IsTileType(TILE_ADDXY(tile,  0,  1), MP_STATION) ||
tron@1058: 				IsTileType(TILE_ADDXY(tile,  0, -1), MP_STATION) ||
tron@1058: 				IsTileType(TILE_ADDXY(tile, -2,  0), MP_STATION)
tron@1058: 			))) {
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: 
Darkvater@1802: /** Check if a given vehicle (type) can be refitted to a given cargo
Darkvater@1802:  * @param *v vehicle to check
Darkvater@1802:  * @param cid_to check refit to this cargo-type
Darkvater@1802:  * @return true if it is possible, false otherwise
Darkvater@1802:  */
Darkvater@1802: bool CanRefitTo(const Vehicle *v, CargoID cid_to)
Darkvater@1802: {
Darkvater@1802: 	CargoID cid = _global_cargo_id[_opt_ptr->landscape][cid_to];
Darkvater@1802: 
Darkvater@1802: 	if (cid == GC_INVALID) return false;
Darkvater@1802: 
Darkvater@1802: 	if (_engine_refit_masks[v->engine_type]) {
Darkvater@1802: 		if (!HASBIT(_engine_refit_masks[v->engine_type], cid)) return false;
Darkvater@1802: 	} else {
Darkvater@1802: 		/* If we are talking about normal vehicles (no newgrf), you can only refit engines */
Darkvater@1802: 		if (v->type == VEH_Train && (RailVehInfo(v->engine_type)->flags & RVI_WAGON)) return false;
Darkvater@1802: 		if (!HASBIT(_default_refitmasks[v->type - VEH_Train], cid)) return false;
Darkvater@1802: 	}
Darkvater@1802: 
Darkvater@1802: 	return true;
Darkvater@1802: }
Darkvater@1802: 
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) {
celestar@2148: 		MAKE_TRANSPARENT(image);
truelight@0: 	} else if (v->vehstatus & VS_DEFPAL) {
hackykid@1922: 		image |= (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : 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: 
tron@1371: static void ChimneySmokeInit(Vehicle *v)
truelight@0: {
truelight@0: 	uint32 r = Random();
tron@2140: 	v->cur_image = SPR_CHIMNEY_SMOKE_0 + GB(r, 0, 3);
tron@2140: 	v->progress = GB(r, 16, 3);
truelight@0: }
truelight@0: 
tron@1371: static void ChimneySmokeTick(Vehicle *v)
truelight@0: {
tron@1371: 	if (v->progress > 0) {
tron@1371: 		v->progress--;
tron@1371: 	} else {
tron@1371: 		TileIndex tile;
truelight@0: 
truelight@0: 		BeginVehicleMove(v);
truelight@193: 
tron@1980: 		tile = TileVirtXY(v->x_pos, v->y_pos);
tron@1035: 		if (!IsTileType(tile, MP_INDUSTRY)) {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
tron@1371: 		if (v->cur_image != SPR_CHIMNEY_SMOKE_7) {
tron@1371: 			v->cur_image++;
tron@1371: 		} else {
tron@1371: 			v->cur_image = SPR_CHIMNEY_SMOKE_0;
tron@1371: 		}
truelight@0: 		v->progress = 7;
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1371: static void SteamSmokeInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_STEAM_SMOKE_0;
truelight@0: 	v->progress = 12;
truelight@0: }
truelight@0: 
tron@1371: static void SteamSmokeTick(Vehicle *v)
truelight@0: {
tron@1371: 	bool moved = false;
truelight@193: 
truelight@0: 	BeginVehicleMove(v);
truelight@193: 
tron@1371: 	v->progress++;
truelight@193: 
tron@1371: 	if ((v->progress & 7) == 0) {
truelight@0: 		v->z_pos++;
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
tron@1371: 	if ((v->progress & 0xF) == 4) {
tron@1371: 		if (v->cur_image != SPR_STEAM_SMOKE_4) {
tron@1371: 			v->cur_image++;
tron@1371: 		} else {
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: 
tron@1371: static void DieselSmokeInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_DIESEL_SMOKE_0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
tron@1371: static void DieselSmokeTick(Vehicle *v)
truelight@0: {
tron@1371: 	v->progress++;
tron@1371: 
tron@1371: 	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);
tron@1371: 		if (v->cur_image != SPR_DIESEL_SMOKE_5) {
tron@1371: 			v->cur_image++;
tron@1371: 			VehiclePositionChanged(v);
tron@1371: 			EndVehicleMove(v);
tron@1371: 		} else {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1371: static void ElectricSparkInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_ELECTRIC_SPARK_0;
truelight@0: 	v->progress = 1;
truelight@0: }
truelight@0: 
tron@1371: static void ElectricSparkTick(Vehicle *v)
truelight@0: {
tron@1371: 	if (v->progress < 2) {
tron@1371: 		v->progress++;
tron@1371: 	} else {
truelight@0: 		v->progress = 0;
truelight@0: 		BeginVehicleMove(v);
tron@1371: 		if (v->cur_image != SPR_ELECTRIC_SPARK_5) {
tron@1371: 			v->cur_image++;
tron@1371: 			VehiclePositionChanged(v);
tron@1371: 			EndVehicleMove(v);
tron@1371: 		} else {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1371: static void SmokeInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_SMOKE_0;
truelight@0: 	v->progress = 12;
truelight@0: }
truelight@0: 
tron@1371: static void SmokeTick(Vehicle *v)
truelight@0: {
tron@1371: 	bool moved = false;
truelight@193: 
truelight@0: 	BeginVehicleMove(v);
truelight@193: 
tron@1371: 	v->progress++;
truelight@193: 
tron@1371: 	if ((v->progress & 3) == 0) {
truelight@0: 		v->z_pos++;
truelight@0: 		moved = true;
truelight@0: 	}
truelight@0: 
tron@1371: 	if ((v->progress & 0xF) == 4) {
tron@1371: 		if (v->cur_image != SPR_SMOKE_4) {
tron@1371: 			v->cur_image++;
tron@1371: 		} else {
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: 
tron@1371: static void ExplosionLargeInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_EXPLOSION_LARGE_0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
tron@1371: static void ExplosionLargeTick(Vehicle *v)
truelight@0: {
tron@1371: 	v->progress++;
tron@1371: 	if ((v->progress & 3) == 0) {
truelight@0: 		BeginVehicleMove(v);
tron@1371: 		if (v->cur_image != SPR_EXPLOSION_LARGE_F) {
tron@1371: 			v->cur_image++;
tron@1371: 			VehiclePositionChanged(v);
tron@1371: 			EndVehicleMove(v);
tron@1371: 		} else {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1371: static void BreakdownSmokeInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_BREAKDOWN_SMOKE_0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
tron@1371: static void BreakdownSmokeTick(Vehicle *v)
truelight@0: {
tron@1371: 	v->progress++;
tron@1371: 	if ((v->progress & 7) == 0) {
truelight@0: 		BeginVehicleMove(v);
tron@1371: 		if (v->cur_image != SPR_BREAKDOWN_SMOKE_3) {
tron@1371: 			v->cur_image++;
tron@1371: 		} else {
tron@1371: 			v->cur_image = SPR_BREAKDOWN_SMOKE_0;
tron@1371: 		}
truelight@0: 		VehiclePositionChanged(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 	}
truelight@0: 
tron@1371: 	v->u.special.unk0--;
tron@1371: 	if (v->u.special.unk0 == 0) {
truelight@0: 		BeginVehicleMove(v);
truelight@0: 		EndVehicleMove(v);
truelight@0: 		DeleteVehicle(v);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1371: static void ExplosionSmallInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_EXPLOSION_SMALL_0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
tron@1371: static void ExplosionSmallTick(Vehicle *v)
truelight@0: {
tron@1371: 	v->progress++;
tron@1371: 	if ((v->progress & 3) == 0) {
truelight@0: 		BeginVehicleMove(v);
tron@1371: 		if (v->cur_image != SPR_EXPLOSION_SMALL_B) {
tron@1371: 			v->cur_image++;
tron@1371: 			VehiclePositionChanged(v);
tron@1371: 			EndVehicleMove(v);
tron@1371: 		} else {
truelight@0: 			EndVehicleMove(v);
truelight@0: 			DeleteVehicle(v);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1364: static void BulldozerInit(Vehicle *v)
truelight@0: {
tron@1364: 	v->cur_image = SPR_BULLDOZER_NE;
truelight@0: 	v->progress = 0;
truelight@0: 	v->u.special.unk0 = 0;
truelight@0: 	v->u.special.unk2 = 0;
truelight@0: }
truelight@0: 
tron@1364: typedef struct BulldozerMovement {
tron@1365: 	byte direction:2;
tron@1364: 	byte image:2;
tron@1364: 	byte duration:3;
tron@1364: } BulldozerMovement;
truelight@0: 
tron@1364: static const BulldozerMovement _bulldozer_movement[] = {
tron@1364: 	{ 0, 0, 4 },
tron@1364: 	{ 3, 3, 4 },
tron@1364: 	{ 2, 2, 7 },
tron@1364: 	{ 0, 2, 7 },
tron@1364: 	{ 1, 1, 3 },
tron@1364: 	{ 2, 2, 7 },
tron@1364: 	{ 0, 2, 7 },
tron@1364: 	{ 1, 1, 3 },
tron@1364: 	{ 2, 2, 7 },
tron@1364: 	{ 0, 2, 7 },
tron@1364: 	{ 3, 3, 6 },
tron@1364: 	{ 2, 2, 6 },
tron@1364: 	{ 1, 1, 7 },
tron@1364: 	{ 3, 1, 7 },
tron@1364: 	{ 0, 0, 3 },
tron@1364: 	{ 1, 1, 7 },
tron@1364: 	{ 3, 1, 7 },
tron@1364: 	{ 0, 0, 3 },
tron@1364: 	{ 1, 1, 7 },
tron@1364: 	{ 3, 1, 7 }
truelight@0: };
truelight@0: 
tron@1364: static const struct {
tron@1364: 	int8 x;
tron@1364: 	int8 y;
tron@1364: } _inc_by_dir[] = {
tron@1364: 	{ -1,  0 },
tron@1364: 	{  0,  1 },
tron@1364: 	{  1,  0 },
tron@1364: 	{  0, -1 }
tron@1364: };
truelight@0: 
tron@1364: static void BulldozerTick(Vehicle *v)
truelight@0: {
tron@1371: 	v->progress++;
tron@1371: 	if ((v->progress & 7) == 0) {
tron@1364: 		const BulldozerMovement* b = &_bulldozer_movement[v->u.special.unk0];
truelight@0: 
truelight@0: 		BeginVehicleMove(v);
truelight@0: 
tron@1364: 		v->cur_image = SPR_BULLDOZER_NE + b->image;
truelight@0: 
tron@1364: 		v->x_pos += _inc_by_dir[b->direction].x;
tron@1364: 		v->y_pos += _inc_by_dir[b->direction].y;
truelight@0: 
tron@1364: 		v->u.special.unk2++;
tron@1365: 		if (v->u.special.unk2 >= b->duration) {
truelight@0: 			v->u.special.unk2 = 0;
truelight@0: 			v->u.special.unk0++;
tron@1364: 			if (v->u.special.unk0 == lengthof(_bulldozer_movement)) {
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: 
tron@1371: static void BubbleInit(Vehicle *v)
truelight@0: {
tron@1371: 	v->cur_image = SPR_BUBBLE_GENERATE_0;
truelight@0: 	v->spritenum = 0;
truelight@0: 	v->progress = 0;
truelight@0: }
truelight@0: 
tron@1371: typedef struct BubbleMovement {
tron@1371: 	int8 x:4;
tron@1371: 	int8 y:4;
tron@1371: 	int8 z:4;
tron@1371: 	byte image:4;
tron@1371: } BubbleMovement;
truelight@0: 
tron@1371: #define MK(x, y, z, i) { x, y, z, i }
tron@1371: #define ME(i) { i, 4, 0, 0 }
tron@1371: 
tron@1371: static const BubbleMovement _bubble_float_sw[] = {
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),
tron@1371: 	ME(1)
truelight@0: };
truelight@0: 
truelight@0: 
tron@1371: static const BubbleMovement _bubble_float_ne[] = {
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),
tron@1371: 	ME(1)
truelight@0: };
truelight@0: 
tron@1371: static const BubbleMovement _bubble_float_se[] = {
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),
tron@1371: 	ME(1)
truelight@0: };
truelight@0: 
tron@1371: static const BubbleMovement _bubble_float_nw[] = {
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),
tron@1371: 	ME(1)
truelight@0: };
truelight@0: 
tron@1371: static const BubbleMovement _bubble_burst[] = {
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),
tron@1371: 	ME(0)
truelight@0: };
truelight@0: 
tron@1371: static const BubbleMovement _bubble_absorb[] = {
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),
tron@1371: 	ME(2),
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),
tron@1371: 	ME(0)
truelight@0: };
tron@1371: #undef ME
truelight@0: #undef MK
truelight@0: 
tron@1371: static const BubbleMovement * const _bubble_movement[] = {
tron@1371: 	_bubble_float_sw,
tron@1371: 	_bubble_float_ne,
tron@1371: 	_bubble_float_se,
tron@1371: 	_bubble_float_nw,
tron@1371: 	_bubble_burst,
tron@1371: 	_bubble_absorb,
truelight@0: };
truelight@0: 
tron@1371: static void BubbleTick(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: 	 */
tron@1371: 	uint et;
tron@1371: 	const BubbleMovement *b;
truelight@0: 
tron@1371: 	v->progress++;
tron@1371: 	if ((v->progress & 3) != 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	BeginVehicleMove(v);
truelight@0: 
truelight@0: 	if (v->spritenum == 0) {
tron@1371: 		v->cur_image++;
tron@1371: 		if (v->cur_image < SPR_BUBBLE_GENERATE_3) {
truelight@0: 			VehiclePositionChanged(v);
truelight@0: 			EndVehicleMove(v);
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		if (v->u.special.unk2 != 0) {
tron@1371: 			v->spritenum = (InteractiveRandom() & 3) + 1;
truelight@0: 		} else {
truelight@0: 			v->spritenum = 6;
truelight@0: 		}
truelight@0: 		et = 0;
tron@1371: 	} else {
tron@1371: 		et = v->engine_type + 1;
truelight@0: 	}
truelight@0: 
tron@1371: 	b = &_bubble_movement[v->spritenum - 1][et];
truelight@0: 
tron@1371: 	if (b->y == 4 && b->x == 0) {
truelight@0: 		EndVehicleMove(v);
truelight@0: 		DeleteVehicle(v);
truelight@0: 		return;
truelight@193: 	}
truelight@193: 
tron@1371: 	if (b->y == 4 && b->x == 1) {
tron@1371: 		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@193: 	}
truelight@193: 
tron@1371: 	if (b->y == 4 && b->x == 2) {
tron@1371: 		TileIndex tile;
truelight@0: 
truelight@0: 		et++;
tron@541: 		SndPlayVehicleFx(SND_31_EXTRACT, v);
truelight@0: 
tron@1980: 		tile = TileVirtXY(v->x_pos, v->y_pos);
tron@2049: 		if (IsTileType(tile, MP_INDUSTRY) && _m[tile].m5 == 0xA2) AddAnimatedTile(tile);
truelight@0: 	}
truelight@0: 
tron@1371: 	v->engine_type = et;
tron@1371: 	b = &_bubble_movement[v->spritenum - 1][et];
tron@1371: 
tron@1371: 	v->x_pos += b->x;
tron@1371: 	v->y_pos += b->y;
tron@1371: 	v->z_pos += b->z;
tron@1371: 	v->cur_image = SPR_BUBBLE_0 + b->image;
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[] = {
tron@1371: 	ChimneySmokeInit,
tron@1371: 	SteamSmokeInit,
tron@1371: 	DieselSmokeInit,
tron@1371: 	ElectricSparkInit,
tron@1371: 	SmokeInit,
tron@1371: 	ExplosionLargeInit,
tron@1371: 	BreakdownSmokeInit,
tron@1371: 	ExplosionSmallInit,
tron@1364: 	BulldozerInit,
tron@1371: 	BubbleInit,
truelight@0: };
truelight@0: 
truelight@0: static EffectTickProc * const _effect_tick_procs[] = {
tron@1371: 	ChimneySmokeTick,
tron@1371: 	SteamSmokeTick,
tron@1371: 	DieselSmokeTick,
tron@1371: 	ElectricSparkTick,
tron@1371: 	SmokeTick,
tron@1371: 	ExplosionLargeTick,
tron@1371: 	BreakdownSmokeTick,
tron@1371: 	ExplosionSmallTick,
tron@1364: 	BulldozerTick,
tron@1371: 	BubbleTick,
truelight@0: };
truelight@0: 
truelight@0: 
tron@1359: Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicle 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: 
tron@1359: Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicle type)
truelight@0: {
truelight@0: 	return CreateEffectVehicle(x, y, GetSlopeZ(x, y) + z, type);
truelight@0: }
truelight@0: 
tron@1359: Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicle 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: 
tron@2116: Vehicle *CheckClickOnVehicle(const 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) {
tron@2140: 		v->breakdown_ctr    = GB(r, 16, 6) + 0x3F;
tron@2140: 		v->breakdown_delay  = GB(r, 24, 7) + 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);
Darkvater@1793: extern int32 EstimateRoadVehCost(EngineID engine_type);
Darkvater@1793: extern int32 EstimateShipCost(EngineID engine_type);
Darkvater@1793: extern int32 EstimateAircraftCost(EngineID 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: 
Darkvater@1796: /** Replaces a vehicle (used to be called autorenew).
Darkvater@1796:  * @param x,y unused
Darkvater@1796:  * @param p1 index of vehicle being replaced
Darkvater@1796:  * @param p2 various bitstuffed elements
Darkvater@1796:  * - p2 = (bit  0-15) - new engine type for the vehicle (p2 & 0xFFFF)
Darkvater@1796:  * - p2 = (bit 16-31) - money the player wants to have left after replacement counted in 100.000 (100K) (p2 >> 16)
Darkvater@1796:  */
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 */
Darkvater@1796: 	EngineID new_engine_type = (p2 & 0xFFFF);
Darkvater@1796: 	uint32 autorefit_money = (p2 >> 16) * 100000;
bjarni@1635: 	Vehicle *v, *u, *first;
bjarni@1060: 	int cost, build_cost, rear_engine_cost = 0;
Darkvater@1796: 	EngineID old_engine_type;
darkvater@889: 
bjarni@1237: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
tron@915: 
bjarni@1237: 	v = u = GetVehicle(p1);
bjarni@1237: 
bjarni@1237: 	old_engine_type = v->engine_type;
tron@915: 
Darkvater@1796: 	/* First we make sure that it's a valid type the user requested
Darkvater@1796: 	 * check that it's an engine that is in the engine array */
Darkvater@1796: 	if (!IsEngineIndex(new_engine_type)) return CMD_ERROR;
tron@915: 
bjarni@890: 	// check that the new vehicle type is the same as the original one
tron@1926: 	if (v->type != GetEngine(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@1185: 	// makes sure that we do not replace a plane with a helicopter or vise versa
bjarni@1187: 	if (v->type == VEH_Aircraft) {
bjarni@1187: 		if (HASBIT(AircraftVehInfo(old_engine_type)->subtype, 0) != HASBIT(AircraftVehInfo(new_engine_type)->subtype, 0)) return CMD_ERROR;
bjarni@1187: 	}
bjarni@1185: 
bjarni@1187: 	// makes sure that the player can actually buy the new engine. Renewing is still allowed to outdated engines
tron@1926: 	if (!HASBIT(GetEngine(new_engine_type)->player_avail, v->owner) && old_engine_type != new_engine_type) return CMD_ERROR;
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 */
Darkvater@1796: 	if (old_engine_type == new_engine_type && v->age == 0) return CMD_ERROR;
tron@1109: 
bjarni@1060: 	if ( v->type == VEH_Train ) {
bjarni@1635: 		first = GetFirstVehicleInChain(v);
bjarni@1060: 		u = GetLastVehicleInChain(v);
bjarni@1060: 		if ( RailVehInfo(new_engine_type)->flags & RVI_MULTIHEAD )
bjarni@1060: 			build_cost = build_cost >> 1;   //multiheaded engines have EstimateTrainCost() for both engines
tron@1109: 
bjarni@1060: 		if ( old_engine_type != new_engine_type ) {
tron@1109: 
bjarni@1060: 			// prevent that the rear engine can get replaced to something else than the front engine
hackykid@1917: 			if ( v->u.rail.first_engine != INVALID_VEHICLE && RailVehInfo(old_engine_type)->flags & RVI_MULTIHEAD && RailVehInfo(old_engine_type)->flags ) {
bjarni@1060: 				if ( first->engine_type != new_engine_type ) return CMD_ERROR;
bjarni@1060: 			}
tron@1109: 
bjarni@1060: 			// checks if the engine is the first one
hackykid@1917: 			if ( v->u.rail.first_engine == INVALID_VEHICLE ) {
bjarni@1060: 				if ( RailVehInfo(new_engine_type)->flags & RVI_MULTIHEAD ) {
bjarni@1060: 					if ( u->engine_type == old_engine_type && v->next != NULL) {
bjarni@1060: 						rear_engine_cost = build_cost - u->value;
bjarni@1060: 					} else {
bjarni@1060: 						rear_engine_cost = build_cost;
bjarni@1060: 					}
bjarni@1060: 				} else {
bjarni@1060: 					if ( u->engine_type == old_engine_type && RailVehInfo(old_engine_type)->flags & RVI_MULTIHEAD) {
darkvater@1068: 						if (v->next != NULL) rear_engine_cost = -(int32)u->value;
bjarni@1060: 					}
bjarni@1060: 				}
bjarni@1060: 			 }
bjarni@1060: 		}
bjarni@1060: 	}
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) */
celestar@1962: 	if ( GetPlayer(v->owner)->money64 < (int32)(autorefit_money + build_cost + rear_engine_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: 	}
bjarni@1060: 	cost = build_cost - v->value + rear_engine_cost;
truelight@812: 
truelight@812: 
truelight@812: 	if (flags & DC_EXEC) {
bjarni@1060: 		/* We do not really buy a new vehicle, we upgrade the old one */
tron@1926: 		const Engine* e = GetEngine(new_engine_type);
tron@915: 
bjarni@1060: 		v->reliability = e->reliability;
bjarni@1060: 		v->reliability_spd_dec = e->reliability_spd_dec;
bjarni@1060: 		v->age = 0;
truelight@812: 
bjarni@1060: 		v->date_of_last_service = _date;
bjarni@1060: 		v->build_year = _cur_year;
bjarni@1060: 
bjarni@1060: 		v->value = build_cost;
bjarni@1060: 
truelight@812: 		if (v->engine_type != new_engine_type) {
bjarni@933: 			byte sprite = v->spritenum;
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: 				{
bjarni@842: 				const RailVehicleInfo *rvi = RailVehInfo(new_engine_type);
bjarni@1060: 				const RailVehicleInfo *rvi2 = RailVehInfo(old_engine_type);
bjarni@1663: 				byte capacity = rvi2->capacity;
bjarni@1060: 				Vehicle *first = GetFirstVehicleInChain(v);
bjarni@842: 
bjarni@1128: 				//if (v->owner == _local_player) InvalidateWindowClasses(WC_TRAINS_LIST);
bjarni@933: 				/* rvi->image_index is the new sprite for the engine. Adding +1 makes the engine head the other way
bjarni@933: 				if it is a multiheaded engine (rear engine)
bjarni@939: 				(rvi->flags & RVI_MULTIHEAD && sprite - rvi2->image_index) is true if the engine is heading the other way, otherwise 0*/
bjarni@939: 				v->spritenum = rvi->image_index + (( rvi->flags & RVI_MULTIHEAD && sprite - rvi2->image_index) ? 1 : 0);
truelight@941: 
bjarni@939: 				// turn the last engine in a multiheaded train if needed
hackykid@1917: 				if ( v->next == NULL && v->u.rail.first_engine != INVALID_VEHICLE && rvi->flags & RVI_MULTIHEAD && v->spritenum == rvi->image_index )
bjarni@939: 					v->spritenum++;
truelight@956: 
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@1735: #if 0
bjarni@1735: // we disable this because they can crash the game. They will be fixed at a later date
bjarni@1060: 				if ( rvi2->flags & RVI_MULTIHEAD && !(rvi->flags & RVI_MULTIHEAD) &&  v->index == first->index) {
bjarni@1060: 					if (old_engine_type == u->engine_type ) {
tron@1063: 						Vehicle *w;
tron@1063: 
bjarni@1060: 						u = GetLastVehicleInChain(v);
tron@1063: 						w = GetPrevVehicleInChain(u);
bjarni@1060: 						w->next = NULL;
bjarni@1060: 						DeleteVehicle(u);
bjarni@1060: 					}
bjarni@1060: 				}
tron@1109: 
bjarni@1060: 				if ( rvi->flags & RVI_MULTIHEAD && rvi2->flags & RVI_MULTIHEAD &&  v->index == first->index ) {
bjarni@1060: 					CmdReplaceVehicle(x, y, flags, u->index, p2);
bjarni@1060: 				}
tron@1109: 
bjarni@1060: 				if ( rvi->flags & RVI_MULTIHEAD && !(rvi2->flags & RVI_MULTIHEAD) &&  v->index == first->index ) {
bjarni@1060: 					if ( old_engine_type != u->engine_type ) {
bjarni@1060: 						Vehicle *w;
bjarni@1060: 						if ( (w=AllocateVehicle()) != NULL ) {
bjarni@1060: 							AddRearEngineToMultiheadedTrain(v,w, false);
bjarni@1060: 							u->next = w;
bjarni@1060: 						}
bjarni@1060: 					}
bjarni@1060: 				}
bjarni@1735: #endif
tron@1109: 
hackykid@1917: 				// recalculate changed train values
hackykid@1917: 				TrainConsistChanged(first);
bjarni@1128: 				InvalidateWindowClasses(WC_TRAINS_LIST);
bjarni@1635: 				UpdateTrainAcceleration(first);
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Road:
bjarni@1060: 				{
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@1128: 				InvalidateWindowClasses(WC_ROADVEH_LIST);
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Ship:
bjarni@1060: 				{
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@1128: 				InvalidateWindowClasses(WC_SHIPS_LIST);
bjarni@842: 				break;
bjarni@842: 				}
bjarni@842: 			case VEH_Aircraft:
bjarni@1060: 				{
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@1128: 				InvalidateWindowClasses(WC_AIRCRAFT_LIST);
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: 		}
bjarni@1128: 		InvalidateWindow(WC_REPLACE_VEHICLE, v->type);
bjarni@1128: 		ResortVehicleLists();
bjarni@1635: 		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: 
tron@1926: 	assert(v->type == GetEngine(_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: 
bjarni@2244: int32 CmdCloneOrder(int x, int y, uint32 flags, uint32 veh1_veh2, uint32 mode);
bjarni@2244: int32 CmdMoveRailVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244: int32 CmdBuildRailVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244: int32 CmdBuildRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244: int32 CmdBuildShip(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244: int32 CmdBuildAircraft(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244:  
bjarni@2244: 
bjarni@2244: typedef int32 VehBuildProc(int x, int y, uint32 flags, uint32 p1, uint32 p2);
bjarni@2244: 
bjarni@2244: static VehBuildProc * const _veh_build_proc_table[] = {
bjarni@2244: 	CmdBuildRailVehicle,
bjarni@2244: 	CmdBuildRoadVeh,
bjarni@2244: 	CmdBuildShip,
bjarni@2244: 	CmdBuildAircraft,
bjarni@2244: };
bjarni@2244: 
bjarni@2244: static VehicleID * _new_vehicle_id_proc_table[] = {
bjarni@2244: 	&_new_train_id,
bjarni@2244: 	&_new_roadveh_id,
bjarni@2244: 	&_new_ship_id,
bjarni@2244: 	&_new_aircraft_id,	
bjarni@2244: };
bjarni@2244: 
bjarni@2244: /** Clone a vehicle. If it is a train, it will clone all the cars too
bjarni@2244:   * @param x,y unused
bjarni@2244:   * @param p1 the original vehicle's index
bjarni@2244:   * @param p2 1 = shared orders, else copied orders
bjarni@2244:   */
bjarni@2244: int32 CmdCloneVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
bjarni@2244: {
bjarni@2244: 	Vehicle *vfront, *v;
bjarni@2244: 	Vehicle *wfront, *w1, *w2;
bjarni@2244: 	int cost, total_cost;
bjarni@2244: 	VehBuildProc *proc;
bjarni@2244: 	VehicleID *new_id;
bjarni@2244: 	uint refit_command = 0;
bjarni@2244: 	byte needs_refitting = 255;
bjarni@2244: 
bjarni@2244: 	if (!IsVehicleIndex(p1))
bjarni@2244: 		return CMD_ERROR;
bjarni@2244: 	v = GetVehicle(p1);
bjarni@2244: 	wfront = v; 
bjarni@2244: 	w1 = v;
bjarni@2244: 	vfront = v;
bjarni@2244: 
bjarni@2244: 	if (!CheckOwnership(v->owner))
bjarni@2244: 		return CMD_ERROR;
bjarni@2244: 
bjarni@2244: 	if (v->type == VEH_Train && v->subtype != TS_Front_Engine) return CMD_ERROR;
bjarni@2244: 
bjarni@2244: 	//no need to check if it is a depot since the build command do that
bjarni@2244: 	switch (v->type) {
bjarni@2244: 		case VEH_Train:		refit_command = CMD_REFIT_RAIL_VEHICLE; break;
bjarni@2244: 		case VEH_Road:		break;
bjarni@2244: 		case VEH_Ship:		refit_command = CMD_REFIT_SHIP; break;
bjarni@2244: 		case VEH_Aircraft:	refit_command = CMD_REFIT_AIRCRAFT; break;
bjarni@2244: 		default: return CMD_ERROR;
bjarni@2244: 	}
bjarni@2244: 
bjarni@2244: 	proc = _veh_build_proc_table[v->type - VEH_Train];
bjarni@2244: 	new_id = _new_vehicle_id_proc_table[v->type - VEH_Train];
bjarni@2244: 	total_cost = proc(x, y, flags, v->engine_type, 1);
bjarni@2244: 	if (total_cost == CMD_ERROR)
bjarni@2244: 		return CMD_ERROR;
bjarni@2244: 
bjarni@2244: 	if (flags & DC_EXEC) {
bjarni@2244: 		wfront = GetVehicle(*new_id);
bjarni@2244: 		w1 = wfront;
bjarni@2244: 		CmdCloneOrder(x, y, flags, (v->index << 16) | w1->index, p2 & 1 ? CO_SHARE : CO_COPY);
bjarni@2244: 
bjarni@2244: 		if (wfront->cargo_type != v->cargo_type) {
bjarni@2244: 			//a refit is needed
bjarni@2244: 			needs_refitting = v->cargo_type;
bjarni@2244: 		}
bjarni@2244: 	}
bjarni@2244: 	if (v->type == VEH_Train) {
bjarni@2244: 		// now we handle the cars
bjarni@2244: 		v = v->next;
bjarni@2244: 		while (v != NULL) {
bjarni@2244: 			cost = proc(x, y, flags, v->engine_type, 1);
bjarni@2244: 			if (cost == CMD_ERROR)
bjarni@2244: 				return CMD_ERROR;
bjarni@2244: 			total_cost += cost;
bjarni@2244: 
bjarni@2244: 			if (flags & DC_EXEC) {
bjarni@2244: 				// add this unit to the end of the train
bjarni@2244: 				w2 = GetVehicle(RailVehInfo(v->engine_type)->flags & RVI_WAGON ? _new_wagon_id : _new_train_id);
bjarni@2244: 				CmdMoveRailVehicle(x, y, flags, (w1->index << 16) | w2->index, 0);
bjarni@2244: 				w1 = w2;
bjarni@2244: 			}
bjarni@2244: 			v = v->next;
bjarni@2244: 		}
bjarni@2244: 
bjarni@2244: 		if (flags & DC_EXEC) {
bjarni@2244: 			_new_train_id = wfront->index;
bjarni@2244: 			v = vfront;
bjarni@2244: 			w1 = wfront;
bjarni@2244: 			while (w1 != NULL && v != NULL) {
bjarni@2244: 				w1->spritenum = v->spritenum; // makes sure that multiheaded engines are facing the correct way
bjarni@2244: 				if (w1->cargo_type != v->cargo_type)	// checks if a refit is needed
bjarni@2244: 					needs_refitting = v->cargo_type;
bjarni@2244: 				w1 = w1->next;
bjarni@2244: 				v = v->next;
bjarni@2244: 			}
bjarni@2244: 			
bjarni@2244: 		}
bjarni@2244: 	}
bjarni@2244: 	if (flags && DC_EXEC && needs_refitting != 255 && v->type != VEH_Road) {	// right now we do not refit road vehicles
bjarni@2244: 		if (DoCommandByTile(wfront->tile, wfront->index, needs_refitting, 0, refit_command) != CMD_ERROR)
bjarni@2244: 			DoCommandByTile(wfront->tile, wfront->index, needs_refitting, DC_EXEC, refit_command);
bjarni@2244: 	}
bjarni@2244: 	return total_cost;
bjarni@2244: }
bjarni@2244: 
bjarni@2244: 
Darkvater@1786: /** Give a custom name to your vehicle
Darkvater@1786:  * @param x,y unused
Darkvater@1786:  * @param p1 vehicle ID to name
Darkvater@1786:  * @param p2 unused
Darkvater@1786:  */
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: 
Darkvater@1840: 	if (!IsVehicleIndex(p1) || _cmd_text[0] == '\0') return CMD_ERROR;
bjarni@1237: 
truelight@919: 	v = GetVehicle(p1);
truelight@0: 
Darkvater@1786: 	if (!CheckOwnership(v->owner)) return CMD_ERROR;
truelight@0: 
tron@1820: 	str = AllocateNameUnique(_cmd_text, 2);
Darkvater@1786: 	if (str == 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: /* 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;
tron@1980: 	gp->new_tile = TileVirtXY(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: 
matthijs@1944: Trackdir GetVehicleTrackdir(const Vehicle* v)
matthijs@1752: {
Darkvater@1765: 	if (v->vehstatus & VS_CRASHED) return 0xFF;
matthijs@1758: 
matthijs@1752: 	switch(v->type)
matthijs@1752: 	{
matthijs@1752: 		case VEH_Train:
Darkvater@1765: 			if (v->u.rail.track == 0x80) /* We'll assume the train is facing outwards */
matthijs@1944: 				return DiagdirToDiagTrackdir(GetDepotDirection(v->tile, TRANSPORT_RAIL)); /* Train in depot */
Darkvater@1765: 
Darkvater@1765: 			if (v->u.rail.track == 0x40) /* train in tunnel, so just use his direction and assume a diagonal track */
matthijs@1944: 				return DiagdirToDiagTrackdir((v->direction >> 1) & 3);
Darkvater@1765: 
matthijs@1944: 			return TrackDirectionToTrackdir(FIND_FIRST_BIT(v->u.rail.track),v->direction);
tron@1959: 
matthijs@1752: 		case VEH_Ship:
matthijs@1942: 			if (v->u.ship.state == 0x80)  /* Inside a depot? */
matthijs@1942: 				/* We'll assume the ship is facing outwards */
matthijs@1944: 				return DiagdirToDiagTrackdir(GetDepotDirection(v->tile, TRANSPORT_WATER)); /* Ship in depot */
Darkvater@1765: 
matthijs@1944: 			return TrackDirectionToTrackdir(FIND_FIRST_BIT(v->u.ship.state),v->direction);
tron@1959: 
matthijs@1752: 		case VEH_Road:
Darkvater@1765: 			if (v->u.road.state == 254) /* We'll assume the road vehicle is facing outwards */
matthijs@1944: 				return DiagdirToDiagTrackdir(GetDepotDirection(v->tile, TRANSPORT_ROAD)); /* Road vehicle in depot */
Darkvater@1765: 
Darkvater@1765: 			if (IsRoadStationTile(v->tile)) /* We'll assume the road vehicle is facing outwards */
matthijs@1944: 				return DiagdirToDiagTrackdir(GetRoadStationDir(v->tile)); /* Road vehicle in a station */
Darkvater@1765: 
matthijs@1944: 			return DiagdirToDiagTrackdir((v->direction >> 1) & 3);
tron@1959: 
Darkvater@1765: 		/* case VEH_Aircraft: case VEH_Special: case VEH_Disaster: */
Darkvater@1765: 		default: return 0xFF;
matthijs@1752: 	}
matthijs@1752: }
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? */
tron@1977: uint32 VehicleEnterTile(Vehicle *v, TileIndex tile, int x, int y)
truelight@193: {
tron@1977: 	TileIndex old_tile = v->tile;
tron@1214: 	uint32 result = _tile_type_procs[GetTileType(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) {
tron@1214: 		VehicleLeaveTileProc *proc = _tile_type_procs[GetTileType(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@1282: UnitID GetFreeUnitNumber(byte type)
truelight@0: {
truelight@1282: 	UnitID 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
Darkvater@1881: const SaveLoad _common_veh_desc[] = {
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
truelight@193: 
truelight@938: 	SLE_REF(Vehicle,next,							REF_VEHICLE_OLD),
truelight@0: 	SLE_VAR(Vehicle,string_id,				SLE_STRINGID),
truelight@1282: 	SLE_CONDVAR(Vehicle,unitnumber,				SLE_FILE_U8 | SLE_VAR_U16, 0, 7),
truelight@1282: 	SLE_CONDVAR(Vehicle,unitnumber,				SLE_UINT16, 8, 255),
truelight@0: 	SLE_VAR(Vehicle,owner,						SLE_UINT8),
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_UINT32, 6, 255),
tron@1174: 	SLE_CONDVAR(Vehicle,dest_tile,		SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,dest_tile,		SLE_UINT32, 6, 255),
truelight@0: 
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_UINT32, 6, 255),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_UINT32, 6, 255),
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@1266: 	SLE_CONDVAR(Vehicle,cargo_source,			SLE_FILE_U8 | SLE_VAR_U16, 0, 6),
truelight@1266: 	SLE_CONDVAR(Vehicle,cargo_source,			SLE_UINT16, 7, 255),
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),
truelight@956: 
truelight@956: 	/* This next line is for version 4 and prior compatibility.. it temporarily reads
truelight@956: 	    type and flags (which were both 4 bits) into type. Later on this is
truelight@956: 	    converted correctly */
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, type),    SLE_UINT8,  0, 4),
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, station), SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@956: 
truelight@956: 	/* Orders for version 5 and on */
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, type),    SLE_UINT8,  5, 255),
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, flags),   SLE_UINT8,  5, 255),
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, station), SLE_UINT16, 5, 255),
truelight@956: 
truelight@1024: 	SLE_REF(Vehicle,orders,						REF_ORDER),
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: 
truelight@1024: 	SLE_REF(Vehicle,next_shared,				REF_VEHICLE),
truelight@1024: 	SLE_REF(Vehicle,prev_shared,				REF_VEHICLE),
truelight@1024: 
truelight@1024: 	// reserve extra space in savegame here. (currently 10 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_U32 | SLE_VAR_NULL, 2, 2, 255), /* 8 */
truelight@193: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: 
Darkvater@1881: static const SaveLoad _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: 
hackykid@2008: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,pbs_status), SLE_UINT8, 2, 255),
hackykid@2115: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,pbs_end_tile), SLE_UINT32, 2, 255),
hackykid@2115: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,pbs_end_trackdir), SLE_UINT8, 2, 255),
hackykid@2115: 	// reserve extra space in savegame here. (currently 7 bytes)
hackykid@2115: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 7, 2, 255),
truelight@0: 
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
Darkvater@1881: static const SaveLoad _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: 
celestar@1217: 	SLE_CONDREFX(offsetof(Vehicle,u)+offsetof(VehicleRoad,slot), REF_ROADSTOPS, 6, 255),
celestar@1217: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,slotindex), SLE_UINT8, 6, 255),
celestar@1217: 	SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,slot_age), SLE_UINT8, 6, 255),
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: 
Darkvater@1881: static const SaveLoad _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: 
Darkvater@1881: static const SaveLoad _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: 
Darkvater@1881: static const SaveLoad _special_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Special, 4),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
truelight@193: 
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_UINT32, 6, 255),
truelight@0: 
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_INT32, 6, 255),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_INT32, 6, 255),
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: 
Darkvater@1881: static const SaveLoad _disaster_desc[] = {
truelight@0: 	SLE_WRITEBYTE(Vehicle,type,VEH_Disaster, 5),
truelight@0: 
truelight@938: 	SLE_REF(Vehicle,next,							REF_VEHICLE_OLD),
truelight@0: 
truelight@0: 	SLE_VAR(Vehicle,subtype,					SLE_UINT8),
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,tile,					SLE_UINT32, 6, 255),
tron@1174: 	SLE_CONDVAR(Vehicle,dest_tile,		SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,dest_tile,		SLE_UINT32, 6, 255),
truelight@0: 
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,x_pos,				SLE_INT32, 6, 255),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
tron@1174: 	SLE_CONDVAR(Vehicle,y_pos,				SLE_INT32, 6, 255),
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),
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, station), SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@956: 	SLE_CONDVARX(offsetof(Vehicle, current_order) + offsetof(Order, station), SLE_UINT16, 5, 255),
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.
tron@1093: static void Save_VEHS(void)
truelight@0: {
truelight@0: 	Vehicle *v;
truelight@0: 	// Write the vehicles
truelight@0: 	FOR_ALL_VEHICLES(v) {
truelight@0: 		if (v->type != 0) {
truelight@0: 			SlSetArrayIndex(v->index);
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.
tron@1093: static void Load_VEHS(void)
truelight@0: {
truelight@0: 	int index;
truelight@0: 	Vehicle *v;
truelight@0: 
truelight@0: 	while ((index = SlIterateArray()) != -1) {
truelight@1279: 		Vehicle *v;
truelight@919: 
truelight@1279: 		if (!AddBlockIfNeeded(&_vehicle_pool, index))
truelight@1279: 			error("Vehicles: failed loading savegame: too many vehicles");
truelight@1279: 
truelight@1279: 		v = GetVehicle(index);
truelight@0: 		SlObject(v, _veh_descs[SlReadByte()]);
truelight@1279: 
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@956: 
truelight@956: 		if (_sl.version < 5) {
truelight@956: 			/* Convert the current_order.type (which is a mix of type and flags, because
truelight@956: 			    in those versions, they both were 4 bits big) to type and flags */
truelight@956: 			v->current_order.flags = (v->current_order.type & 0xF0) >> 4;
truelight@956: 			v->current_order.type  =  v->current_order.type & 0x0F;
truelight@956: 		}
truelight@0: 	}
truelight@0: 
truelight@1024: 	/* Check for shared order-lists (we now use pointers for that) */
truelight@1024: 	if (_sl.full_version < 0x502) {
truelight@1024: 		FOR_ALL_VEHICLES(v) {
truelight@1024: 			Vehicle *u;
truelight@1024: 
truelight@1024: 			if (v->type == 0)
truelight@1024: 				continue;
truelight@1024: 
truelight@1024: 			FOR_ALL_VEHICLES_FROM(u, v->index + 1) {
truelight@1024: 				if (u->type == 0)
truelight@1024: 					continue;
truelight@1024: 
truelight@1024: 				/* If a vehicle has the same orders, add the link to eachother
truelight@1024: 				    in both vehicles */
truelight@1024: 				if (v->orders == u->orders) {
truelight@1024: 					v->next_shared = u;
truelight@1024: 					u->prev_shared = v;
truelight@1024: 					break;
truelight@1024: 				}
truelight@1024: 			}
truelight@1024: 		}
truelight@1024: 	}
truelight@0: }
truelight@0: 
truelight@0: const ChunkHandler _veh_chunk_handlers[] = {
truelight@1542: 	{ 'VEHS', Save_VEHS, Load_VEHS, CH_SPARSE_ARRAY | CH_LAST},
truelight@0: };