--- a/rail_cmd.c Sat Sep 11 09:40:19 2004 +0000
+++ b/rail_cmd.c Sat Sep 11 09:55:19 2004 +0000
@@ -42,7 +42,7 @@
* 11 ????dd => Depot
*
* abcdef is a bitmask, which contains ones for all present tracks. Below the
- * value for each track is given.
+ * value for each track is given.
*/
/* 4
@@ -52,7 +52,7 @@
* | \ / |
* | \ / |
* 16| \ |32
- * | / \2 |
+ * | / \2 |
* | / \ |
* | / \ |
* |/ \|
@@ -62,7 +62,7 @@
// Constants for lower part of Map2 byte.
-enum RailMap2Lower4 {
+enum RailMap2Lower4 {
RAIL_MAP2LO_GROUND_MASK = 0xF,
RAIL_GROUND_BROWN = 0,
RAIL_GROUND_GREEN = 1,
@@ -81,7 +81,7 @@
/* MAP2 byte: abcd???? => Signal On? Same coding as map3lo
- * MAP3LO byte: abcd???? => Signal Exists?
+ * MAP3LO byte: abcd???? => Signal Exists?
* a and b are for diagonals, upper and left,
* one for each direction. (ie a == NE->SW, b ==
* SW->NE, or v.v., I don't know. b and c are
@@ -91,7 +91,7 @@
* MAP5: 00abcdef => rail
* 01abcdef => rail w/ signals
* 10uuuuuu => unused
- * 11uuuudd => rail depot
+ * 11uuuudd => rail depot
*/
static bool CheckTrackCombination(byte map5, byte trackbits, byte flags)
@@ -99,7 +99,7 @@
_error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION;
if ((map5&RAIL_TYPE_MASK) == RAIL_TYPE_SIGNALS) {
-
+
if (map5 & trackbits) {
_error_message = STR_1007_ALREADY_BUILT;
return false;
@@ -112,11 +112,11 @@
_error_message = STR_1007_ALREADY_BUILT;
if (map5 & trackbits)
return false;
-
+
// Computer players are not allowed to intersect pieces of rail.
if (!(flags&DC_NO_RAIL_OVERLAP))
return true;
-
+
map5 |= trackbits;
return (map5 == (RAIL_BIT_UPPER|RAIL_BIT_LOWER) || map5 == (RAIL_BIT_LEFT|RAIL_BIT_RIGHT));
} else {
@@ -138,12 +138,12 @@
0,
RAIL_BIT_DIAG2,
RAIL_BIT_LOWER,
-
+
RAIL_BIT_LOWER,
RAIL_BIT_DIAG2,
0,
RAIL_BIT_LEFT,
-
+
RAIL_BIT_DIAG1,
RAIL_BIT_UPPER,
RAIL_BIT_RIGHT,
@@ -177,7 +177,7 @@
RAIL_BIT_LEFT,
RAIL_BIT_LOWER,
RAIL_BIT_DIAG2|RAIL_BIT_LEFT|RAIL_BIT_LOWER,
-
+
RAIL_BIT_RIGHT,
RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,
RAIL_BIT_DIAG1|RAIL_BIT_RIGHT|RAIL_BIT_LOWER,
@@ -213,7 +213,7 @@
if ((~_valid_tileh_slopes[1][tileh] & bits) == 0)
return tileh;
- if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) && (bits == RAIL_BIT_DIAG1 || (i++, bits == RAIL_BIT_DIAG2)))
+ if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) && (bits == RAIL_BIT_DIAG1 || (i++, bits == RAIL_BIT_DIAG2)))
return i + 15;
return 0;
@@ -234,10 +234,10 @@
// no special foundation
if ((~_valid_tileh_slopes[0][tileh] & rail_bits) == 0)
return 0;
-
+
if (((~_valid_tileh_slopes[1][tileh] & rail_bits) == 0) || // whole tile is leveled up
((rail_bits == RAIL_BIT_DIAG1 || rail_bits == RAIL_BIT_DIAG2) && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8))) { // partly up
- return existing ? 0 : _price.terraform;
+ return existing ? 0 : _price.terraform;
}
}
return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
@@ -266,7 +266,7 @@
tile = ti.tile;
// allow building rail under bridge
- if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
+ if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
return CMD_ERROR;
if (ti.type == MP_TUNNELBRIDGE) {
@@ -311,7 +311,7 @@
return _price.build_rail;
ModifyTile(tile,
- MP_SETTYPE(MP_STREET) |
+ MP_SETTYPE(MP_STREET) |
MP_MAP3LO | MP_MAP3HI | MP_MAPOWNER_CURRENT | MP_MAP5,
_map_owner[tile], /* map3_lo */
p1, /* map3_hi */
@@ -326,7 +326,7 @@
} else if (ti.type == MP_RAILWAY) {
/* BUILD ON RAILWAY CODE */
- if (_map_owner[tile] != _current_player || (byte)(_map3_lo[tile]&0xF) != rail_type)
+ if (_map_owner[tile] != _current_player || (byte)(_map3_lo[tile]&0xF) != rail_type)
goto need_clear;
if (!CheckTrackCombination(ti.map5, rail_bit, (byte)flags))
return CMD_ERROR;
@@ -396,7 +396,7 @@
};
static const byte _signals_table_both[] = {
- 0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0, // both directions combined
+ 0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0, // both directions combined
0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0
};
@@ -426,7 +426,7 @@
return CMD_ERROR;
// allow building rail under bridge
- if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
+ if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
return CMD_ERROR;
if (ti.type == MP_TUNNELBRIDGE) {
@@ -441,7 +441,7 @@
if (!(flags & DC_EXEC))
return _price.remove_rail;
-
+
_map_owner[tile] = OWNER_NONE;
_map5[tile] = ti.map5 & 0xC7;
} else if (ti.type == MP_STREET) {
@@ -497,7 +497,7 @@
skip_mark_dirty:;
SetSignalsOnBothDir(tile, (byte)p2);
-
+
return _price.remove_rail;
}
@@ -506,7 +506,7 @@
int8 yinc[16];
byte initial[16];
} _railbit = {{
-// 0 1 2 3 4 5
+// 0 1 2 3 4 5
16, 0,-16, 0, 16, 0, 0, 0,
-16, 0, 0, 16, 0,-16, 0, 0,
},{
@@ -537,7 +537,7 @@
if (flags & DC_EXEC)
SndPlayTileFx(0x1E, TILE_FROM_XY(x,y));
-
+
/* unpack end point */
sx = (p1 & 0xFFFF) & ~0xF;
sy = (p1 >> 16) & ~0xF;
@@ -558,10 +558,10 @@
x += _railbit.xinc[railbit];
y += _railbit.yinc[railbit];
-
+
// toggle railbit for the diagonal tiles
if (railbit & 0x6) railbit ^= 1;
- }
+ }
if (total_cost == 0)
return CMD_ERROR;
@@ -587,7 +587,7 @@
if (flags & DC_EXEC)
SndPlayTileFx(0x1E, TILE_FROM_XY(x,y));
-
+
/* unpack start point */
sx = (p1 & 0xFFFF) & ~0xF;
sy = (p1 >> 16) & ~0xF;
@@ -603,7 +603,7 @@
y += _railbit.yinc[railbit];
// toggle railbit for the diagonal tiles
if (railbit & 0x6) railbit ^= 1;
- }
+ }
if (total_cost == 0)
return CMD_ERROR;
@@ -643,14 +643,14 @@
if (flags & DC_EXEC) {
if (_current_player == _local_player)
_last_built_train_depot_tile = (TileIndex)tile;
-
- ModifyTile(tile,
+
+ ModifyTile(tile,
MP_SETTYPE(MP_RAILWAY) |
MP_MAP3LO | MP_MAPOWNER_CURRENT | MP_MAP5,
p1, /* map3_lo */
p2 | RAIL_TYPE_DEPOT /* map5 */
);
-
+
dep->xy = tile;
dep->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
@@ -688,7 +688,7 @@
for(cp = _checkpoints; cp != endof(_checkpoints); cp++) {
if (cp->deleted && cp->xy) {
- cur_dist = GetTileDist(tile, cp->xy);
+ cur_dist = GetTileDist(tile, cp->xy);
if (cur_dist < thres) {
thres = cur_dist;
best = cp;
@@ -714,7 +714,7 @@
if (!CheckTileOwnership(tile))
return CMD_ERROR;
-
+
if (!EnsureNoVehicle(tile)) return CMD_ERROR;
tileh = GetTileSlope(tile, NULL);
@@ -733,10 +733,10 @@
if (flags & DC_EXEC) {
ModifyTile(tile, MP_MAP5, RAIL_TYPE_CHECKPOINT | dir);
-
+
cp->deleted = 0;
cp->xy = tile;
-
+
if (cp->town_or_string == 0) MakeDefaultCheckpointName(cp); else RedrawCheckpointSign(cp);
UpdateCheckpointSign(cp);
RedrawCheckpointSign(cp);
@@ -848,13 +848,13 @@
byte m5;
int32 cost;
int track = p1 & 0x7;
-
+
assert(track >= 0 && track < 6); // only 6 possible track-combinations
-
+
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
tile = TILE_FROM_XY(x,y);
-
+
if (!EnsureNoVehicle(tile))
return CMD_ERROR;
@@ -867,7 +867,7 @@
// check rail combination
{
byte m = m5 & RAIL_BIT_MASK;
- if (m != RAIL_BIT_DIAG1 && m != RAIL_BIT_DIAG2 && m != RAIL_BIT_UPPER && m != RAIL_BIT_LOWER &&
+ if (m != RAIL_BIT_DIAG1 && m != RAIL_BIT_DIAG2 && m != RAIL_BIT_UPPER && m != RAIL_BIT_LOWER &&
m != RAIL_BIT_LEFT && m != RAIL_BIT_RIGHT && m != (RAIL_BIT_UPPER|RAIL_BIT_LOWER) && m != (RAIL_BIT_LEFT|RAIL_BIT_RIGHT))
return CMD_ERROR;
}
@@ -886,7 +886,7 @@
}
if (flags & DC_EXEC) {
-
+
if (!(m5 & RAIL_TYPE_SIGNALS)) { // if there are no signals yet present on the track
_map5[tile] |= RAIL_TYPE_SIGNALS; // change into signals
@@ -925,7 +925,7 @@
// convert between signal<->semaphores when dragging
HASBIT(p1, 3) ? SETBIT(_map3_hi[tile], 2) : CLRBIT(_map3_hi[tile], 2);
}
-
+
MarkTileDirtyByTile(tile);
SetSignalsOnBothDir(tile, track);
}
@@ -972,13 +972,13 @@
* the other side alone */
switch (signals) {
case 0x20: case 8: /* east corner (N-S), south corner (W-E) */
- if (_map3_lo[tile]&0x30)
+ if (_map3_lo[tile]&0x30)
signals = _map3_lo[tile]&0x30;
else
signals = 0x30 | (_map3_lo[tile]&0xC0);
break;
case 0x10: case 4: /* west corner (N-S), north corner (W-E) */
- if (_map3_lo[tile]&0xC0)
+ if (_map3_lo[tile]&0xC0)
signals = _map3_lo[tile]&0xC0;
else
signals = 0xC0 | (_map3_lo[tile]&0x30);
@@ -1001,7 +1001,7 @@
**********
* railbit - direction of autorail
* semaphores - semaphores or signals
- * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way)
+ * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way)
and convert all others to semaphore/signal
* mode - 1 remove signals, 0 build signals */
signal_ctr = total_cost = 0;
@@ -1026,9 +1026,9 @@
break;
x += _railbit.xinc[railbit];
- y += _railbit.yinc[railbit];
+ y += _railbit.yinc[railbit];
signal_ctr++;
-
+
// toggle railbit for the diagonal tiles (|, -- tracks)
if (railbit & 0x6) railbit ^= 1;
}
@@ -1050,7 +1050,7 @@
FindLandscapeHeight(&ti, x, y);
tile = ti.tile;
-
+
/* No vehicle behind. */
if (!EnsureNoVehicle(tile))
return CMD_ERROR;
@@ -1073,18 +1073,18 @@
_map5[tile] &= ~RAIL_TYPE_SIGNALS;
_map2[tile] &= ~0xF0;
CLRBIT(_map3_hi[tile], 2); // remove any possible semaphores
-
+
/* TTDBUG: this code contains a bug, if a tile contains 2 signals
- * on separate tracks, it won't work properly for the 2nd track */
- SetSignalsOnBothDir(tile, FIND_FIRST_BIT(bits & RAIL_BIT_MASK));
+ * on separate tracks, it won't work properly for the 2nd track */
+ SetSignalsOnBothDir(tile, FIND_FIRST_BIT(bits & RAIL_BIT_MASK));
MarkTileDirtyByTile(tile);
}
-
+
return _price.remove_signals;
}
-typedef int32 DoConvertRailProc(uint tile, uint totype, bool exec);
+typedef int32 DoConvertRailProc(uint tile, uint totype, bool exec);
static int32 DoConvertRail(uint tile, uint totype, bool exec)
{
@@ -1120,7 +1120,7 @@
sy = GET_TILE_Y(p1)*16;
if (ex < sx) intswap(ex, sx);
if (ey < sy) intswap(ey, sy);
-
+
money = GetAvailableMoneyForCommand();
ret = false;
cost = 0;
@@ -1128,13 +1128,13 @@
for(y=sy; y<=ey; y+=16) {
uint tile = TILE_FROM_XY(x,y);
DoConvertRailProc *p;
-
+
if (IS_TILETYPE(tile, MP_RAILWAY)) p = DoConvertRail;
else if (IS_TILETYPE(tile, MP_STATION)) p = DoConvertStationRail;
else if (IS_TILETYPE(tile, MP_STREET)) p = DoConvertStreetRail;
else if (IS_TILETYPE(tile, MP_TUNNELBRIDGE)) p = DoConvertTunnelBridgeRail;
else continue;
-
+
ret = p(tile, p2, false);
if (ret == CMD_ERROR) continue;
cost += ret;
@@ -1185,7 +1185,7 @@
}
cost = 0;
-
+
if ( (m5 & RAIL_TYPE_MASK) == RAIL_TYPE_NORMAL) {
regular_track:;
@@ -1245,7 +1245,7 @@
0x1323,
0x1333,
0x1343,
-
+
0x13C6,
0x13D6,
0x13E6,
@@ -1283,7 +1283,7 @@
image = 0x51B;
}
}
- AddSortableSpriteToDraw(image | _drawtile_track_palette,
+ AddSortableSpriteToDraw(image | _drawtile_track_palette,
ti->x, ti->y+1, 16, 1, 4, ti->z);
}
@@ -1296,7 +1296,7 @@
image = 0x51B;
}
}
- AddSortableSpriteToDraw(image | _drawtile_track_palette,
+ AddSortableSpriteToDraw(image | _drawtile_track_palette,
ti->x, ti->y+15, 16, 1, 4, ti->z);
}
@@ -1315,7 +1315,7 @@
image = 0x51C;
}
}
- AddSortableSpriteToDraw(image | _drawtile_track_palette,
+ AddSortableSpriteToDraw(image | _drawtile_track_palette,
ti->x+1, ti->y, 1, 16, 4, ti->z);
}
@@ -1328,7 +1328,7 @@
image = 0x51C;
}
}
- AddSortableSpriteToDraw(image | _drawtile_track_palette,
+ AddSortableSpriteToDraw(image | _drawtile_track_palette,
ti->x+15, ti->y, 1, 16, 4, ti->z);
}
@@ -1383,21 +1383,21 @@
DetailedTrackProc * const _detailed_track_proc[16] = {
DetTrackDrawProc_Null,
DetTrackDrawProc_Null,
-
+
DrawTrackFence_NW,
DrawTrackFence_SE,
DrawTrackFence_NW_SE,
-
+
DrawTrackFence_NE,
DrawTrackFence_SW,
DrawTrackFence_NE_SW,
-
+
DrawTrackFence_NS_1,
DrawTrackFence_NS_2,
-
+
DrawTrackFence_WE_1,
DrawTrackFence_WE_2,
-
+
DetTrackDrawProc_Null,
DetTrackDrawProc_Null,
DetTrackDrawProc_Null,
@@ -1418,7 +1418,7 @@
bool special;
m5 &= RAIL_BIT_MASK;
-
+
special = false;
// select the sprite to use based on the map5 byte.
@@ -1429,10 +1429,10 @@
(image++, m5 == RAIL_BIT_RIGHT) ||
(image++, m5 == RAIL_BIT_LEFT) ||
(image++, m5 == (RAIL_BIT_DIAG1|RAIL_BIT_DIAG2)) ||
-
+
(image = 0x40B, m5 == (RAIL_BIT_UPPER|RAIL_BIT_LOWER)) ||
(image++, m5 == (RAIL_BIT_LEFT|RAIL_BIT_RIGHT)) ||
-
+
(special=true, false) ||
(image = 0x3FA, !(m5 & (RAIL_BIT_RIGHT|RAIL_BIT_UPPER|RAIL_BIT_DIAG1))) ||
@@ -1444,7 +1444,7 @@
if (ti->tileh != 0) {
int f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F);
if (f) DrawFoundation(ti, f);
-
+
// default sloped sprites..
if (ti->tileh != 0) image = _track_sloped_sprites[ti->tileh - 1] + 0x3F3;
}
@@ -1515,7 +1515,7 @@
if (!(m5 & (RAIL_TYPE_MASK&~RAIL_TYPE_SPECIAL)))
return;
-
+
if (ti->tileh != 0) { DrawFoundation(ti, ti->tileh); }
s = _track_depot_layout_table[m5 & 0x3F];
@@ -1541,9 +1541,9 @@
if (image & 0x8000)
image |= _drawtile_track_palette;
image += tracktype_offs;
- if (!(_display_opt & DO_TRANS_BUILDINGS))
+ if (!(_display_opt & DO_TRANS_BUILDINGS))
image = (image & 0x3FFF) | 0x3224000;
- AddSortableSpriteToDraw(image, ti->x | drss->subcoord_x,
+ AddSortableSpriteToDraw(image, ti->x | drss->subcoord_x,
ti->y | drss->subcoord_y, drss->width, drss->height, 0x17, ti->z);
drss++;
}
@@ -1567,7 +1567,7 @@
y+=17;
img = *(uint16*)t;
- if (img & 0x8000) img = (img & 0x7FFF) + railtype;
+ if (img & 0x8000) img = (img & 0x7FFF) + railtype;
DrawSprite(img, x, y);
for(dtss = (DrawTrackSeqStruct *)(t + sizeof(uint16)); dtss->image != 0; dtss++) {
@@ -1586,7 +1586,7 @@
int cur_stack;
bool stop;
bool has_presignal;
-
+
// presignal info
int presignal_exits;
int presignal_exits_free;
@@ -1607,7 +1607,7 @@
if (IS_TILETYPE(tile, MP_RAILWAY)) {
if ((_map5[tile]&RAIL_TYPE_MASK) == RAIL_TYPE_SIGNALS) {
if ((_map3_lo[tile] & _signals_table_both[track]) != 0) {
-
+
// is the signal pointing in to the segment existing?
if ((_map3_lo[tile] & _signals_table[track]) != 0) {
// yes, add the signal to the list of signals
@@ -1620,7 +1620,7 @@
// remember if this block has a presignal.
ssd->has_presignal |= (_map3_hi[tile]&1);
}
-
+
// is this an exit signal that points out from the segment?
if ((_map3_hi[tile]&2) && _map3_lo[tile]&_signals_table_other[track]) {
ssd->presignal_exits++;
@@ -1644,7 +1644,7 @@
TrackPathFinderLink *link;
ssd->stop = false;
-
+
// for each train, check if it is in the segment.
// then we know that the signal should be red.
FOR_ALL_VEHICLES(v) {
@@ -1653,9 +1653,9 @@
tile = v->tile;
if (v->u.rail.track == 0x40) { tile = GetVehicleOutOfTunnelTile(v); }
-
+
hash = PATHFIND_HASH_TILE(tile);
-
+
val = tpf->hash_head[hash];
if (val == 0)
continue;
@@ -1723,7 +1723,7 @@
make_red:
// turn red
if ( (bit&m2) == 0 )
- continue;
+ continue;
} else {
// turn green
if ( (bit&m2) != 0 )
@@ -1741,7 +1741,7 @@
printf("NUM_SSD_STACK too small\n");
}
}
-
+
// it changed, so toggle it
_map2[tile] = m2 ^ bit;
MarkTileDirtyByTile(tile);
@@ -1767,7 +1767,7 @@
// remember the result only for the first iteration.
if (result < 0) result = ssd.stop;
-
+
// if any exit signals were changed, we need to keep going to modify the stuff behind those.
if(!ssd.cur_stack)
break;
@@ -1776,7 +1776,7 @@
tile = ssd.next_tile[--ssd.cur_stack];
direction = ssd.next_dir[ssd.cur_stack];
}
-
+
return (bool)result;
}
@@ -1789,7 +1789,7 @@
UpdateSignalsOnSegment(tile, _search_dir_2[track]);
}
-uint GetSlopeZ_Track(TileInfo *ti)
+uint GetSlopeZ_Track(TileInfo *ti)
{
uint z = ti->z;
int th = ti->tileh;
@@ -1815,7 +1815,7 @@
return z;
}
-uint GetSlopeTileh_Track(TileInfo *ti)
+uint GetSlopeTileh_Track(TileInfo *ti)
{
// check if it's a foundation
if (ti->tileh != 0) {
@@ -1882,7 +1882,7 @@
if (m2 != RAIL_GROUND_BROWN) { /* wait until bottom is green */
/* determine direction of fence */
rail = _map5[tile] & RAIL_BIT_MASK;
-
+
if (rail == RAIL_BIT_UPPER) {
a2 = RAIL_GROUND_FENCE_HORIZ1;
} else if (rail == RAIL_BIT_LOWER) {
@@ -1898,7 +1898,7 @@
if (!IS_TILETYPE(tile + TILE_XY(0,-1), MP_RAILWAY) ||
owner != _map_owner[tile + TILE_XY(0,-1)] ||
(_map5[tile + TILE_XY(0,-1)]==RAIL_BIT_UPPER || _map5[tile + TILE_XY(0,-1)]==RAIL_BIT_LEFT))
- a2 = RAIL_GROUND_FENCE_NW;
+ a2 = RAIL_GROUND_FENCE_NW;
}
if ( (!(rail&(RAIL_BIT_DIAG2|RAIL_BIT_LOWER|RAIL_BIT_RIGHT)) && (rail&RAIL_BIT_DIAG1)) || rail==(RAIL_BIT_UPPER|RAIL_BIT_LEFT)) {
@@ -1984,7 +1984,7 @@
ShowTrainDepotWindow(tile);
else if (IS_RAIL_CHECKPOINT(_map5[tile]))
ShowRenameCheckpointWindow(&_checkpoints[GetCheckpointByTile(tile)]);
-
+
}
static void GetTileDesc_Track(uint tile, TileDesc *td)
@@ -2017,7 +2017,7 @@
{
if (_map_owner[tile] != old_player)
return;
-
+
if (new_player != 255) {
_map_owner[tile] = new_player;
} else {
@@ -2036,14 +2036,14 @@
{
byte fract_coord;
int dir;
-
+
// this routine applies only to trains in depot tiles
if (v->type != VEH_Train || !IS_RAIL_DEPOT(_map5[tile]))
return 0;
/* depot direction */
dir = _map5[tile] & RAIL_DEPOT_DIR;
-
+
fract_coord = (x & 0xF) + ((y & 0xF) << 4);
if (_fractcoords_behind[dir] == fract_coord) {
/* make sure a train is not entering the tile from behind */