tron@2186: /* $Id$ */
tron@2186: 
belugas@6928: /** @file waypoint.cpp */
belugas@6928: 
truelight@1542: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
truelight@1542: 
rubidium@8612: #include "command_func.h"
maedhros@6949: #include "landscape.h"
truelight@1542: #include "order.h"
tron@3101: #include "rail_map.h"
rubidium@8634: #include "rail.h"
celestar@5573: #include "bridge_map.h"
truelight@1542: #include "saveload.h"
truelight@1542: #include "station.h"
truelight@1542: #include "town.h"
truelight@1542: #include "waypoint.h"
tron@2159: #include "variables.h"
truelight@1542: #include "table/strings.h"
KUDr@3900: #include "yapf/yapf.h"
peter1138@6947: #include "newgrf.h"
rubidium@7877: #include "misc/autoptr.hpp"
rubidium@8610: #include "strings_func.h"
rubidium@8617: #include "viewport.h"
rubidium@8627: #include "functions.h"
rubidium@8627: #include "window_func.h"
rubidium@8634: #include "economy_func.h"
rubidium@8636: #include "date_func.h"
rubidium@8640: #include "vehicle_func.h"
rubidium@8640: #include "vehicle_base.h"
rubidium@8710: #include "string_func.h"
truelight@1542: 
truelight@1542: enum {
tron@4984: 	MAX_WAYPOINTS_PER_TOWN = 64,
truelight@1542: };
truelight@1542: 
rubidium@7877: DEFINE_OLD_POOL_GENERIC(Waypoint, Waypoint)
truelight@1542: 
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Update the sign for the waypoint
belugas@6928:  * @param wp Waypoint to update sign */
tron@2817: static void UpdateWaypointSign(Waypoint* wp)
truelight@1542: {
celestar@3422: 	Point pt = RemapCoords2(TileX(wp->xy) * TILE_SIZE, TileY(wp->xy) * TILE_SIZE);
truelight@1542: 	SetDParam(0, wp->index);
truelight@1542: 	UpdateViewportSignPos(&wp->sign, pt.x, pt.y - 0x20, STR_WAYPOINT_VIEWPORT);
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Redraw the sign of a waypoint
belugas@6928:  * @param wp Waypoint to redraw sign */
tron@2752: static void RedrawWaypointSign(const Waypoint* wp)
truelight@1542: {
truelight@1542: 	MarkAllViewportsDirty(
truelight@1542: 		wp->sign.left - 6,
truelight@1542: 		wp->sign.top,
truelight@1542: 		wp->sign.left + (wp->sign.width_1 << 2) + 12,
truelight@1542: 		wp->sign.top + 48);
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Update all signs
belugas@6928:  */
rubidium@6573: void UpdateAllWaypointSigns()
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@1542: 	FOR_ALL_WAYPOINTS(wp) {
truelight@4346: 		UpdateWaypointSign(wp);
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Set the default name for a waypoint
belugas@6928:  * @param wp Waypoint to work on
belugas@6928:  */
tron@2752: static void MakeDefaultWaypointName(Waypoint* wp)
truelight@1542: {
truelight@1542: 	Waypoint *local_wp;
truelight@1542: 	bool used_waypoint[MAX_WAYPOINTS_PER_TOWN];
truelight@1542: 	int i;
truelight@1542: 
truelight@1542: 	wp->town_index = ClosestTownFromTile(wp->xy, (uint)-1)->index;
truelight@1542: 
truelight@1542: 	memset(used_waypoint, 0, sizeof(used_waypoint));
truelight@1542: 
truelight@1542: 	/* Find an unused waypoint number belonging to this town */
truelight@1542: 	FOR_ALL_WAYPOINTS(local_wp) {
tron@4077: 		if (wp == local_wp) continue;
truelight@1542: 
truelight@1542: 		if (local_wp->xy && local_wp->string == STR_NULL && local_wp->town_index == wp->town_index)
truelight@1542: 			used_waypoint[local_wp->town_cn] = true;
truelight@1542: 	}
truelight@1542: 
truelight@1542: 	/* Find an empty spot */
truelight@1542: 	for (i = 0; used_waypoint[i] && i < MAX_WAYPOINTS_PER_TOWN; i++) {}
truelight@1542: 
truelight@1542: 	wp->string = STR_NULL;
truelight@1542: 	wp->town_cn = i;
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Find a deleted waypoint close to a tile.
belugas@6928:  * @param tile to search from
belugas@6928:  */
tron@1977: static Waypoint *FindDeletedWaypointCloseTo(TileIndex tile)
truelight@1542: {
truelight@1542: 	Waypoint *wp, *best = NULL;
tron@4077: 	uint thres = 8;
truelight@1542: 
truelight@1542: 	FOR_ALL_WAYPOINTS(wp) {
truelight@4346: 		if (wp->deleted) {
tron@4077: 			uint cur_dist = DistanceManhattan(tile, wp->xy);
tron@4077: 
truelight@1542: 			if (cur_dist < thres) {
truelight@1542: 				thres = cur_dist;
truelight@1542: 				best = wp;
truelight@1542: 			}
truelight@1542: 		}
truelight@1542: 	}
truelight@1542: 
truelight@1542: 	return best;
truelight@1542: }
truelight@1542: 
peter1138@2670: /**
peter1138@2670:  * Update waypoint graphics id against saved GRFID/localidx.
peter1138@2670:  * This is to ensure the chosen graphics are correct if GRF files are changed.
peter1138@2670:  */
rubidium@6573: void AfterLoadWaypoints()
peter1138@2670: {
peter1138@2670: 	Waypoint *wp;
peter1138@2670: 
peter1138@2670: 	FOR_ALL_WAYPOINTS(wp) {
peter1138@2670: 		uint i;
peter1138@2670: 
peter1138@2670: 		if (wp->grfid == 0) continue;
peter1138@2670: 
peter1138@2670: 		for (i = 0; i < GetNumCustomStations(STAT_CLASS_WAYP); i++) {
belugas@3676: 			const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, i);
peter1138@6947: 			if (statspec != NULL && statspec->grffile->grfid == wp->grfid && statspec->localidx == wp->localidx) {
peter1138@2670: 				wp->stat_id = i;
peter1138@2670: 				break;
peter1138@2670: 			}
peter1138@2670: 		}
peter1138@2670: 	}
peter1138@2670: }
peter1138@2670: 
Darkvater@1782: /** Convert existing rail to waypoint. Eg build a waypoint station over
Darkvater@1782:  * piece of rail
tron@3491:  * @param tile tile where waypoint will be built
belugas@6928:  * @param flags type of operation
peter1138@2625:  * @param p1 graphics for waypoint type, 0 indicates standard graphics
Darkvater@1782:  * @param p2 unused
celestar@2085:  *
celestar@2085:  * @todo When checking for the tile slope,
celestar@2085:  * distingush between "Flat land required" and "land sloped in wrong direction"
Darkvater@1782:  */
rubidium@7439: CommandCost CmdBuildTrainWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@1542: {
truelight@1542: 	Waypoint *wp;
rubidium@7877: 	AutoPtrT<Waypoint> wp_auto_delete;
tron@3636: 	Slope tileh;
tron@3101: 	Axis axis;
truelight@1542: 
truelight@1542: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@1542: 
Darkvater@1782: 	/* if custom gfx are used, make sure it is within bounds */
peter1138@2625: 	if (p1 >= GetNumCustomStations(STAT_CLASS_WAYP)) return CMD_ERROR;
Darkvater@1782: 
tron@3267: 	if (!IsTileType(tile, MP_RAILWAY) ||
rubidium@3792: 			GetRailTileType(tile) != RAIL_TILE_NORMAL || (
tron@3267: 				(axis = AXIS_X, GetTrackBits(tile) != TRACK_BIT_X) &&
tron@3267: 				(axis = AXIS_Y, GetTrackBits(tile) != TRACK_BIT_Y)
tron@3101: 			)) {
truelight@1542: 		return_cmd_error(STR_1005_NO_SUITABLE_RAILROAD_TRACK);
tron@3101: 	}
truelight@1542: 
tron@4077: 	if (!CheckTileOwnership(tile)) return CMD_ERROR;
rubidium@8254: 	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
truelight@1542: 
truelight@1542: 	tileh = GetTileSlope(tile, NULL);
tron@4077: 	if (tileh != SLOPE_FLAT &&
tron@4077: 			(!_patches.build_on_slopes || IsSteepSlope(tileh) || !(tileh & (0x3 << axis)) || !(tileh & ~(0x3 << axis)))) {
tron@4077: 		return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
truelight@1542: 	}
truelight@1542: 
celestar@5573: 	if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
celestar@5573: 
truelight@1542: 	/* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
truelight@1542: 	wp = FindDeletedWaypointCloseTo(tile);
truelight@1542: 	if (wp == NULL) {
rubidium@7877: 		wp = new Waypoint(tile);
Darkvater@1782: 		if (wp == NULL) return CMD_ERROR;
truelight@1542: 
rubidium@7877: 		wp_auto_delete = wp;
rubidium@7877: 
truelight@1542: 		wp->town_index = 0;
truelight@1542: 		wp->string = STR_NULL;
truelight@1542: 		wp->town_cn = 0;
KUDr@7964: 	} else if (flags & DC_EXEC) {
rubidium@8200: 		/* Move existing (recently deleted) waypoint to the new location */
rubidium@8200: 
rubidium@8200: 		/* First we update the destination for all vehicles that
rubidium@8200: 		 * have the old waypoint in their orders. */
rubidium@8200: 		Vehicle *v;
rubidium@8200: 		FOR_ALL_VEHICLES(v) {
rubidium@8200: 			if (v->type == VEH_TRAIN &&
rubidium@8200: 					v->First() == v &&
rubidium@8200: 					v->current_order.type == OT_GOTO_WAYPOINT &&
rubidium@8200: 					v->dest_tile == wp->xy) {
rubidium@8200: 				v->dest_tile = tile;
rubidium@8200: 			}
rubidium@8200: 		}
rubidium@8200: 
KUDr@7964: 		RedrawWaypointSign(wp);
KUDr@7964: 		wp->xy = tile;
truelight@1542: 	}
truelight@1542: 
truelight@1542: 	if (flags & DC_EXEC) {
tron@4051: 		const StationSpec* statspec;
tron@4051: 
tron@3242: 		MakeRailWaypoint(tile, GetTileOwner(tile), axis, GetRailType(tile), wp->index);
tron@3101: 		MarkTileDirtyByTile(tile);
peter1138@2670: 
tron@4051: 		statspec = GetCustomStationSpec(STAT_CLASS_WAYP, p1);
peter1138@2670: 
belugas@3676: 		if (statspec != NULL) {
tron@4051: 			wp->stat_id = p1;
peter1138@6947: 			wp->grfid = statspec->grffile->grfid;
belugas@3676: 			wp->localidx = statspec->localidx;
peter1138@2670: 		} else {
belugas@6928: 			/* Specified custom graphics do not exist, so use default. */
peter1138@2670: 			wp->stat_id = 0;
peter1138@2670: 			wp->grfid = 0;
peter1138@2670: 			wp->localidx = 0;
truelight@1542: 		}
peter1138@2670: 
truelight@1542: 		wp->deleted = 0;
truelight@1542: 		wp->build_date = _date;
truelight@1542: 
tron@4000: 		if (wp->town_index == 0) MakeDefaultWaypointName(wp);
truelight@1542: 
truelight@1542: 		UpdateWaypointSign(wp);
truelight@1542: 		RedrawWaypointSign(wp);
KUDr@5348: 		YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
rubidium@7877: 		wp_auto_delete.Detach();
truelight@1542: 	}
truelight@1542: 
rubidium@7446: 	return CommandCost(_price.build_train_depot);
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Daily loop for waypoints
belugas@6928:  */
rubidium@6573: void WaypointsDailyLoop()
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@1542: 	/* Check if we need to delete a waypoint */
truelight@1542: 	FOR_ALL_WAYPOINTS(wp) {
truelight@4500: 		if (wp->deleted != 0 && --wp->deleted == 0) DeleteWaypoint(wp);
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Remove a waypoint
belugas@6928:  * @param tile from which to remove waypoint
belugas@6928:  * @param flags type of operation
belugas@6928:  * @param justremove will indicate if it is removed from rail or if rails are removed too
belugas@6928:  * @return cost of operation or error
belugas@6928:  */
rubidium@7439: CommandCost RemoveTrainWaypoint(TileIndex tile, uint32 flags, bool justremove)
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@1542: 	/* Make sure it's a waypoint */
tron@4077: 	if (!IsTileType(tile, MP_RAILWAY) ||
tron@4077: 			!IsRailWaypoint(tile) ||
tron@4077: 			(!CheckTileOwnership(tile) && _current_player != OWNER_WATER) ||
rubidium@8254: 			!EnsureNoVehicleOnGround(tile)) {
truelight@1542: 		return CMD_ERROR;
tron@4077: 	}
truelight@1542: 
truelight@1542: 	if (flags & DC_EXEC) {
KUDr@5348: 		Track track = GetRailWaypointTrack(tile);
truelight@1542: 		wp = GetWaypointByTile(tile);
truelight@1542: 
truelight@1542: 		wp->deleted = 30; // let it live for this many days before we do the actual deletion.
truelight@1542: 		RedrawWaypointSign(wp);
truelight@1542: 
truelight@1542: 		if (justremove) {
tron@3242: 			MakeRailNormal(tile, GetTileOwner(tile), GetRailWaypointBits(tile), GetRailType(tile));
tron@3101: 			MarkTileDirtyByTile(tile);
truelight@1542: 		} else {
truelight@1542: 			DoClearSquare(tile);
KUDr@5348: 			SetSignalsOnBothDir(tile, track);
truelight@1542: 		}
KUDr@5348: 		YapfNotifyTrackLayoutChange(tile, track);
truelight@1542: 	}
truelight@1542: 
rubidium@7446: 	return CommandCost(_price.remove_train_depot);
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Delete a waypoint
tron@3491:  * @param tile tile where waypoint is to be deleted
belugas@6928:  * @param flags type of operation
Darkvater@1782:  * @param p1 unused
Darkvater@1782:  * @param p2 unused
belugas@6928:  * @return cost of operation or error
Darkvater@1782:  */
rubidium@7439: CommandCost CmdRemoveTrainWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@1542: {
truelight@1542: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@1542: 	return RemoveTrainWaypoint(tile, flags, true);
truelight@1542: }
truelight@1542: 
peter1138@7593: static bool IsUniqueWaypointName(const char *name)
peter1138@7593: {
peter1138@7593: 	const Waypoint *wp;
peter1138@7593: 	char buf[512];
peter1138@7593: 
peter1138@7593: 	FOR_ALL_WAYPOINTS(wp) {
peter1138@7593: 		SetDParam(0, wp->index);
peter1138@7593: 		GetString(buf, STR_WAYPOINT_RAW, lastof(buf));
peter1138@7593: 		if (strcmp(buf, name) == 0) return false;
peter1138@7593: 	}
peter1138@7593: 
peter1138@7593: 	return true;
peter1138@7593: }
peter1138@7593: 
belugas@6928: /**
belugas@6928:  * Rename a waypoint.
tron@3491:  * @param tile unused
belugas@6928:  * @param flags type of operation
Darkvater@1782:  * @param p1 id of waypoint
Darkvater@1782:  * @param p2 unused
belugas@6928:  * @return cost of operation or error
Darkvater@1782:  */
rubidium@7439: CommandCost CmdRenameWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@4352: 	if (!IsValidWaypointID(p1)) return CMD_ERROR;
Darkvater@1782: 
peter1138@7597: 	wp = GetWaypoint(p1);
peter1138@7597: 	if (!CheckTileOwnership(wp->xy)) return CMD_ERROR;
peter1138@7597: 
peter1138@7593: 	if (!StrEmpty(_cmd_text)) {
peter1138@7593: 		if (!IsUniqueWaypointName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
peter1138@7593: 
peter1138@7593: 		StringID str = AllocateName(_cmd_text, 0);
tron@4077: 
tron@4077: 		if (str == 0) return CMD_ERROR;
truelight@1542: 
truelight@1542: 		if (flags & DC_EXEC) {
tron@4077: 			if (wp->string != STR_NULL) DeleteName(wp->string);
truelight@1542: 
truelight@1542: 			wp->string = str;
truelight@1542: 			wp->town_cn = 0;
truelight@1542: 
truelight@1542: 			UpdateWaypointSign(wp);
truelight@1542: 			MarkWholeScreenDirty();
truelight@1542: 		} else {
truelight@1542: 			DeleteName(str);
truelight@1542: 		}
tron@2026: 	} else {
truelight@1542: 		if (flags & DC_EXEC) {
tron@4077: 			if (wp->string != STR_NULL) DeleteName(wp->string);
truelight@1542: 
truelight@1542: 			MakeDefaultWaypointName(wp);
truelight@1542: 			UpdateWaypointSign(wp);
truelight@1542: 			MarkWholeScreenDirty();
truelight@1542: 		}
truelight@1542: 	}
rubidium@7446: 	return CommandCost();
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * This hacks together some dummy one-shot Station structure for a waypoint.
belugas@6928:  * @param tile on which to work
belugas@6928:  * @return pointer to a Station
belugas@6928:  */
tron@1977: Station *ComposeWaypointStation(TileIndex tile)
truelight@1542: {
truelight@1542: 	Waypoint *wp = GetWaypointByTile(tile);
KUDr@5985: 
KUDr@5985: 	/* instead of 'static Station stat' use byte array to avoid Station's destructor call upon exit. As
KUDr@5985: 	 * a side effect, the station is not constructed now. */
KUDr@5990: 	static byte stat_raw[sizeof(Station)];
KUDr@5985: 	static Station &stat = *(Station*)stat_raw;
truelight@1542: 
truelight@1542: 	stat.train_tile = stat.xy = wp->xy;
truelight@1542: 	stat.town = GetTown(wp->town_index);
peter1138@5987: 	stat.string_id = wp->string;
truelight@1542: 	stat.build_date = wp->build_date;
truelight@1542: 
truelight@1542: 	return &stat;
truelight@1542: }
truelight@1542: 
belugas@6928: /**
belugas@6928:  * Draw a waypoint
belugas@6928:  * @param x coordinate
belugas@6928:  * @param y coordinate
belugas@6928:  * @param stat_id station id
belugas@6928:  * @param railtype RailType to use for
belugas@6928:  */
tron@2520: void DrawWaypointSprite(int x, int y, int stat_id, RailType railtype)
truelight@1542: {
truelight@1542: 	x += 33;
truelight@1542: 	y += 17;
truelight@1542: 
peter1138@3764: 	if (!DrawStationTile(x, y, railtype, AXIS_X, STAT_CLASS_WAYP, stat_id)) {
ludde@2261: 		DrawDefaultWaypointSprite(x, y, railtype);
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
rubidium@7877: Waypoint::Waypoint(TileIndex tile)
rubidium@7877: {
rubidium@7877: 	this->xy = tile;
rubidium@7877: }
rubidium@7877: 
rubidium@7877: Waypoint::~Waypoint()
rubidium@7877: {
rubidium@7909: 	if (this->string != STR_NULL) DeleteName(this->string);
rubidium@7909: 
rubidium@7909: 	if (CleaningPool()) return;
rubidium@7909: 
rubidium@7877: 	RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, this->index);
rubidium@7877: 
rubidium@7877: 	RedrawWaypointSign(this);
rubidium@7877: 	this->xy = 0;
rubidium@7877: }
rubidium@7877: 
belugas@6928: /**
belugas@6928:  * Fix savegames which stored waypoints in their old format
belugas@6928:  */
rubidium@6573: void FixOldWaypoints()
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@1542: 	/* Convert the old 'town_or_string', to 'string' / 'town' / 'town_cn' */
truelight@1542: 	FOR_ALL_WAYPOINTS(wp) {
truelight@1542: 		wp->town_index = ClosestTownFromTile(wp->xy, (uint)-1)->index;
truelight@1542: 		wp->town_cn = 0;
truelight@1542: 		if (wp->string & 0xC000) {
truelight@1542: 			wp->town_cn = wp->string & 0x3F;
truelight@1542: 			wp->string = STR_NULL;
truelight@1542: 		}
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
rubidium@6573: void InitializeWaypoints()
truelight@1542: {
rubidium@7877: 	_Waypoint_pool.CleanPool();
rubidium@7877: 	_Waypoint_pool.AddBlockToPool();
truelight@1542: }
truelight@1542: 
Darkvater@1881: static const SaveLoad _waypoint_desc[] = {
rubidium@4344: 	SLE_CONDVAR(Waypoint, xy,         SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
rubidium@4344: 	SLE_CONDVAR(Waypoint, xy,         SLE_UINT32,                  6, SL_MAX_VERSION),
rubidium@4344: 	SLE_CONDVAR(Waypoint, town_index, SLE_UINT16,                 12, SL_MAX_VERSION),
rubidium@4344: 	SLE_CONDVAR(Waypoint, town_cn,    SLE_UINT8,                  12, SL_MAX_VERSION),
rubidium@4344: 	    SLE_VAR(Waypoint, string,     SLE_UINT16),
rubidium@4344: 	    SLE_VAR(Waypoint, deleted,    SLE_UINT8),
truelight@1542: 
rubidium@4344: 	SLE_CONDVAR(Waypoint, build_date, SLE_FILE_U16 | SLE_VAR_I32,  3, 30),
rubidium@4344: 	SLE_CONDVAR(Waypoint, build_date, SLE_INT32,                  31, SL_MAX_VERSION),
rubidium@4344: 	SLE_CONDVAR(Waypoint, localidx,   SLE_UINT8,                   3, SL_MAX_VERSION),
rubidium@4344: 	SLE_CONDVAR(Waypoint, grfid,      SLE_UINT32,                 17, SL_MAX_VERSION),
truelight@1542: 
truelight@1542: 	SLE_END()
truelight@1542: };
truelight@1542: 
rubidium@6573: static void Save_WAYP()
truelight@1542: {
truelight@1542: 	Waypoint *wp;
truelight@1542: 
truelight@1542: 	FOR_ALL_WAYPOINTS(wp) {
truelight@4346: 		SlSetArrayIndex(wp->index);
truelight@4346: 		SlObject(wp, _waypoint_desc);
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
rubidium@6573: static void Load_WAYP()
truelight@1542: {
truelight@1542: 	int index;
truelight@1542: 
truelight@1542: 	while ((index = SlIterateArray()) != -1) {
rubidium@7877: 		Waypoint *wp = new (index) Waypoint();
truelight@1542: 		SlObject(wp, _waypoint_desc);
truelight@1542: 	}
truelight@1542: }
truelight@1542: 
rubidium@5838: extern const ChunkHandler _waypoint_chunk_handlers[] = {
truelight@1542: 	{ 'CHKP', Save_WAYP, Load_WAYP, CH_ARRAY | CH_LAST},
truelight@1542: };