37 #include "table/strings.h"
48 uint8 _sorted_railtypes_size;
69 memset(_railtypes, 0,
sizeof(_railtypes));
76 if (cursors_base != 0) {
96 const SpriteID _signal_lookup[2][SIGTYPE_END] = {
97 {SPR_IMG_SIGNAL_ELECTRIC_NORM, SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
98 SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS, SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY},
100 {SPR_IMG_SIGNAL_SEMAPHORE_NORM, SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
101 SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS, SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY},
108 rti->
gui_sprites.
signals[type][var][0] = (red != 0) ? red + SIGNAL_TO_SOUTH : _signal_lookup[var][type];
109 rti->
gui_sprites.
signals[type][var][1] = (green != 0) ? green + SIGNAL_TO_SOUTH : _signal_lookup[var][type] + 1;
132 ResolveRailTypeGUISprites(rti);
135 _sorted_railtypes_size = 0;
137 if (_railtypes[rt].label != 0) {
138 _sorted_railtypes[_sorted_railtypes_size++] = rt;
152 if (rti->
label == 0) {
181 static const byte _track_sloped_sprites[14] = {
251 if (current == future) {
261 return_cmd_error((flags & DC_NO_RAIL_OVERLAP) ? STR_ERROR_IMPOSSIBLE_TRACK_COMBINATION : STR_ERROR_MUST_REMOVE_SIGNALS_FIRST);
342 if ((~_valid_tracks_without_foundation[tileh] & bits) == 0)
return FOUNDATION_NONE;
344 bool valid_on_leveled = ((~_valid_tracks_on_leveled_foundation[tileh] & bits) == 0);
404 if (!
IsSteepSlope(tileh) && ((~_valid_tracks_on_leveled_foundation[tileh] & (rail_bits | existing)) != 0))
return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
420 static inline bool ValParamTrackOrientation(
Track track)
436 RailType railtype = Extract<RailType, 0, 4>(p1);
437 Track track = Extract<Track, 0, 3>(p2);
448 if (ret.
Failed())
return ret;
456 if (ret.
Failed())
return ret;
459 if (ret.
Failed())
return ret;
468 if (ret.
Failed())
return ret;
497 if (ret.
Failed())
return ret;
517 if (ret.
Failed())
return ret;
520 uint num_new_road_pieces = 2 -
CountBits(road);
526 cost.AddCost((num_new_road_pieces + num_new_tram_pieces) * _price[PR_BUILD_ROAD]);
557 if (ret.
Failed())
return ret;
561 if (ret.
Failed())
return ret;
565 cost.AddCost(-_price[PR_CLEAR_WATER]);
566 cost.AddCost(_price[PR_CLEAR_ROUGH]);
600 Track track = Extract<Track, 0, 3>(p2);
602 bool crossing =
false;
604 if (!ValParamTrackOrientation(track))
return CMD_ERROR;
621 if (ret.
Failed())
return ret;
626 if (ret.
Failed())
return ret;
652 if (ret.
Failed())
return ret;
656 if (ret.
Failed())
return ret;
659 if ((present & trackbit) == 0)
return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
745 bool flooded =
false;
754 TrackBits to_remove = lower_track & rail_bits;
755 if (to_remove != 0) {
759 if (!flooded)
return flooded;
760 rail_bits = rail_bits & ~to_remove;
761 if (rail_bits == 0) {
787 { -1, 0 }, { 0, 1 }, { -1, 0 }, { 0, 1 }, { 1, 0 }, { 0, 1 },
790 { 1, 0 }, { 0, -1 }, { 0, -1 }, { 1, 0 }, { 0, -1 }, { -1, 0 },
798 int x =
TileX(start);
799 int y =
TileY(start);
810 int trdx = _trackdelta[*trackdir].
x;
811 int trdy = _trackdelta[*trackdir].
y;
814 trdx += _trackdelta[*trackdir ^ 1].
x;
815 trdy += _trackdelta[*trackdir ^ 1].
y;
819 while ((trdx <= 0 && dx > 0) ||
820 (trdx >= 0 && dx < 0) ||
821 (trdy <= 0 && dy > 0) ||
822 (trdy >= 0 && dy < 0)) {
823 if (!
HasBit(*trackdir, 3)) {
835 trdx = _trackdelta[*trackdir].
x;
836 trdy = _trackdelta[*trackdir].
y;
859 Track track = Extract<Track, 4, 3>(p2);
860 bool remove =
HasBit(p2, 7);
861 RailType railtype = Extract<RailType, 0, 4>(p2);
868 CommandCost ret = ValidateAutoDrag(&trackdir, tile, end_tile);
869 if (ret.
Failed())
return ret;
871 bool had_success =
false;
878 if (last_error.
GetErrorMessage() != STR_ERROR_ALREADY_BUILT && !
remove) {
879 if (
HasBit(p2, 8))
return last_error;
884 if (last_error.
GetErrorMessage() == STR_ERROR_OWNED_BY &&
remove)
break;
890 if (tile == end_tile)
break;
898 if (had_success)
return total_cost;
955 RailType railtype = Extract<RailType, 0, 4>(p1);
977 if (cost.
Failed())
return cost;
998 cost.
AddCost(_price[PR_BUILD_DEPOT_TRAIN]);
1026 Track track = Extract<Track, 0, 3>(p1);
1027 bool ctrl_pressed =
HasBit(p1, 3);
1029 SignalType sigtype = Extract<SignalType, 5, 3>(p1);
1030 bool convert_signal =
HasBit(p1, 8);
1031 SignalType cycle_start = Extract<SignalType, 9, 3>(p1);
1032 SignalType cycle_stop = Extract<SignalType, 12, 3>(p1);
1033 uint num_dir_cycle =
GB(p1, 15, 2);
1035 if (sigtype > SIGTYPE_LAST)
return CMD_ERROR;
1036 if (cycle_start > cycle_stop || cycle_stop > SIGTYPE_LAST)
return CMD_ERROR;
1047 if (ret.
Failed())
return ret;
1063 if (p2 != 0 && sigvar != GetSignalVariant(tile, track)) {
1067 }
else if (convert_signal) {
1069 if (ctrl_pressed || GetSignalVariant(tile, track) != sigvar) {
1098 SetSignalType(tile, track, sigtype);
1099 SetSignalVariant(tile, track, sigvar);
1109 SetSignalType(tile, track, sigtype);
1110 SetSignalVariant(tile, track, sigvar);
1111 while (num_dir_cycle-- > 0) CycleSignalSide(tile, track);
1113 if (convert_signal) {
1119 sigtype = GetSignalType(tile, track);
1122 SetSignalType(tile, track, sigtype);
1123 SetSignalVariant(tile, track, sigvar);
1129 }
else if (ctrl_pressed) {
1131 sigtype = (
SignalType)(GetSignalType(tile, track) + 1);
1133 if (sigtype < cycle_start || sigtype > cycle_stop) sigtype = cycle_start;
1135 SetSignalType(tile, track, sigtype);
1141 CycleSignalSide(tile, track);
1143 sigtype = GetSignalType(tile, track);
1150 SetSignalVariant(tile, track, sigvar);
1151 SetSignalType(tile, track, sigtype);
1158 if (IsPbsSignal(sigtype)) {
1178 static bool CheckSignalAutoFill(
TileIndex &tile,
Trackdir &trackdir,
int &signal_ctr,
bool remove)
1229 default:
return false;
1255 Track track = Extract<Track, 0, 3>(p2);
1256 bool mode =
HasBit(p2, 3);
1257 bool semaphores =
HasBit(p2, 4);
1258 bool remove =
HasBit(p2, 5);
1259 bool autofill =
HasBit(p2, 6);
1260 bool minimise_gaps =
HasBit(p2, 10);
1261 byte signal_density =
GB(p2, 24, 8);
1265 if (signal_density == 0 || signal_density > 20)
return CMD_ERROR;
1271 signal_density *= 2;
1274 CommandCost ret = ValidateAutoDrag(&trackdir, tile, end_tile);
1275 if (ret.
Failed())
return ret;
1278 Trackdir start_trackdir = trackdir;
1284 if (sigtype > SIGTYPE_LAST)
return CMD_ERROR;
1290 assert(signals != 0);
1293 semaphores = GetSignalVariant(tile, track) !=
SIG_ELECTRIC;
1295 sigtype = GetSignalType(tile, track);
1302 byte signal_dir = 0;
1319 int last_used_ctr = INT_MIN;
1320 int last_suitable_ctr = 0;
1324 bool had_success =
false;
1327 if (
remove || minimise_gaps || signal_ctr % signal_density == 0) {
1330 SB(p1, 4, 1, semaphores);
1331 SB(p1, 5, 3, sigtype);
1332 if (!
remove && signal_ctr == 0)
SetBit(p1, 17);
1340 bool test_only = !
remove && minimise_gaps && signal_ctr < (last_used_ctr + signal_density);
1343 if (ret.Succeeded()) {
1345 last_suitable_ctr = signal_ctr;
1346 last_suitable_tile = tile;
1347 last_suitable_trackdir = trackdir;
1348 }
else if (!test_only && last_suitable_tile !=
INVALID_TILE) {
1364 if (ret.Succeeded()) {
1367 last_used_ctr = last_suitable_ctr;
1371 if (ret.GetErrorMessage() != STR_ERROR_THERE_IS_NO_RAILROAD_TRACK ||
1380 if (!CheckSignalAutoFill(tile, trackdir, signal_ctr,
remove))
break;
1383 if (tile == start_tile && trackdir == start_trackdir)
break;
1385 if (tile == end_tile)
break;
1399 return had_success ? total_cost : last_error;
1439 Track track = Extract<Track, 0, 3>(p1);
1451 if (ret.
Failed())
return ret;
1459 }
else if (IsPbsSignal(GetSignalType(tile, track))) {
1542 RailType totype = Extract<RailType, 0, 4>(p2);
1545 bool diagonal =
HasBit(p2, 4);
1569 error.
MakeError(STR_ERROR_CROSSING_DISALLOWED);
1612 *vehicles_affected.
Append() = v;
1653 if (flags & DC_EXEC) {
1670 if (endtile < tile) {
1694 *vehicles_affected.
Append() = v;
1736 for (uint i = 0; i < vehicles_affected.
Length(); ++i) {
1743 for (
Train **v = affected_trains.
Begin(); v != affected_trains.
End(); v++) {
1749 return (cost.
GetCost() == 0) ? error : cost;
1756 if (ret.
Failed())
return ret;
1760 if (ret.
Failed())
return ret;
1776 delete Depot::GetByTile(tile);
1777 DoClearSquare(tile);
1813 if (ret.
Failed())
return ret;
1821 if (ret.
Failed())
return ret;
1824 if (flags & DC_EXEC) DoClearSquare(tile);
1825 cost.AddCost(_price[PR_CLEAR_WATER]);
1832 return RemoveTrainDepot(tile, flags);
1852 return GetSlopePixelZ(x, y);
1859 case 0: side =
false;
break;
1860 case 2: side =
true;
break;
1863 static const Point SignalPositions[2][12] = {
1866 { 8, 5}, {14, 1}, { 1, 14}, { 9, 11}, { 1, 0}, { 3, 10},
1868 {11, 4}, {14, 14}, {11, 3}, { 4, 13}, { 3, 4}, {11, 13}
1871 {14, 1}, {12, 10}, { 4, 6}, { 1, 14}, {10, 4}, { 0, 1},
1873 {14, 14}, { 5, 12}, {11, 13}, { 4, 3}, {13, 4}, { 3, 11}
1880 SignalType type = GetSignalType(tile, track);
1889 sprite += type * 16 + variant * 64 + image * 2 + condition + (type > SIGTYPE_LAST_NOPBS ? 64 : 0);
1895 static uint32 _drawtile_track_palette;
1910 { CORNER_INVALID, 0, 1, 16, 1 },
1911 { CORNER_INVALID, 1, 0, 1, 16 },
1912 { CORNER_W, 8, 8, 1, 1 },
1913 { CORNER_N, 8, 8, 1, 1 },
1914 { CORNER_INVALID, 0, 1, 16, 1 },
1915 { CORNER_INVALID, 1, 0, 1, 16 },
1916 { CORNER_INVALID, 0, 1, 16, 1 },
1917 { CORNER_INVALID, 1, 0, 1, 16 },
1918 { CORNER_INVALID, 0, 15, 16, 1 },
1919 { CORNER_INVALID, 15, 0, 1, 16 },
1920 { CORNER_E, 8, 8, 1, 1 },
1921 { CORNER_S, 8, 8, 1, 1 },
1922 { CORNER_INVALID, 0, 15, 16, 1 },
1923 { CORNER_INVALID, 15, 0, 1, 16 },
1924 { CORNER_INVALID, 0, 15, 16, 1 },
1925 { CORNER_INVALID, 15, 0, 1, 16 },
1938 if (_fence_offsets[rfo].height_ref != CORNER_INVALID) {
1942 ti->
x + _fence_offsets[rfo].
x_offs,
1943 ti->
y + _fence_offsets[rfo].
y_offs,
1944 _fence_offsets[rfo].
x_size,
1945 _fence_offsets[rfo].
y_size,
1998 uint num_sprites = 0;
2000 if (base_image == 0) {
2001 base_image = SPR_TRACK_FENCE_FLAT_X;
2005 assert(num_sprites > 0);
2007 switch (GetRailGroundType(ti->
tile)) {
2029 switch (track_corner) {
2034 default: NOT_REACHED();
2043 static const int INF = 1000;
2044 static const SubSprite _halftile_sub_sprite[4] = {
2045 { -INF , -INF , 32 - 33, INF },
2046 { -INF , 0 + 7, INF , INF },
2047 { -31 + 33, -INF , INF , INF },
2048 { -INF , -INF , INF , 30 - 23 }
2060 Corner halftile_corner = CORNER_INVALID;
2077 DrawShoreTile(ti->
tileh);
2088 default: image = SPR_FLAT_GRASS_TILE;
break;
2126 DrawTrackSprite(ground +
RTO_S, PAL_NONE, ti,
SLOPE_S);
break;
2128 DrawTrackSprite(ground +
RTO_W, PAL_NONE, ti,
SLOPE_W);
break;
2178 default: image = SPR_FLAT_GRASS_TILE;
break;
2183 DrawGroundSprite(image, PAL_NONE, &(_halftile_sub_sprite[halftile_corner]));
2189 default: NOT_REACHED();
2190 case TRACK_BIT_UPPER: offset =
RTO_N;
break;
2191 case TRACK_BIT_LOWER: offset =
RTO_S;
break;
2192 case TRACK_BIT_RIGHT: offset =
RTO_E;
break;
2196 DrawTrackSprite(ground + offset, PAL_NONE, ti, fake_slope);
2198 DrawTrackSprite(overlay + offset,
PALETTE_CRASH, ti, fake_slope);
2212 if (rti->UsesOverlay()) {
2213 DrawTrackBitsOverlay(ti, track, rti);
2219 Corner halftile_corner = CORNER_INVALID;
2235 bool junction =
false;
2242 DrawShoreTile(ti->
tileh);
2245 image = SPR_FLAT_WATER_TILE;
2251 default: image = SPR_FLAT_GRASS_TILE;
break;
2262 (image++, track == TRACK_BIT_X) ||
2264 (image++, track == TRACK_BIT_LOWER) ||
2272 (junction =
true,
false) ||
2285 DrawShoreTile(ti->
tileh);
2287 sub = &(_halftile_sub_sprite[track_corner]);
2310 if (pbs & TRACK_BIT_X) {
2317 if (pbs & TRACK_BIT_Y) {
2346 static const byte _corner_to_track_sprite[] = {3, 1, 2, 0};
2354 #define MAYBE_DRAW_SIGNAL(x, y, z, t) if (IsSignalPresent(tile, x)) DrawSingleSignal(tile, rti, t, GetSingleSignalState(tile, x), y, z)
2356 if (!(rails & TRACK_BIT_Y)) {
2357 if (!(rails & TRACK_BIT_X)) {
2359 MAYBE_DRAW_SIGNAL(2, SIGNAL_TO_NORTH, 0,
TRACK_LEFT);
2360 MAYBE_DRAW_SIGNAL(3, SIGNAL_TO_SOUTH, 1,
TRACK_LEFT);
2362 if (rails & TRACK_BIT_RIGHT) {
2363 MAYBE_DRAW_SIGNAL(0, SIGNAL_TO_NORTH, 2,
TRACK_RIGHT);
2364 MAYBE_DRAW_SIGNAL(1, SIGNAL_TO_SOUTH, 3,
TRACK_RIGHT);
2366 if (rails & TRACK_BIT_UPPER) {
2367 MAYBE_DRAW_SIGNAL(3, SIGNAL_TO_WEST, 4,
TRACK_UPPER);
2368 MAYBE_DRAW_SIGNAL(2, SIGNAL_TO_EAST, 5,
TRACK_UPPER);
2370 if (rails & TRACK_BIT_LOWER) {
2371 MAYBE_DRAW_SIGNAL(1, SIGNAL_TO_WEST, 6,
TRACK_LOWER);
2372 MAYBE_DRAW_SIGNAL(0, SIGNAL_TO_EAST, 7,
TRACK_LOWER);
2375 MAYBE_DRAW_SIGNAL(3, SIGNAL_TO_SOUTHWEST, 8,
TRACK_X);
2376 MAYBE_DRAW_SIGNAL(2, SIGNAL_TO_NORTHEAST, 9,
TRACK_X);
2379 MAYBE_DRAW_SIGNAL(3, SIGNAL_TO_SOUTHEAST, 10,
TRACK_Y);
2380 MAYBE_DRAW_SIGNAL(2, SIGNAL_TO_NORTHWEST, 11,
TRACK_Y);
2384 static void DrawTile_Track(
TileInfo *ti)
2416 if (rti->UsesOverlay()) {
2417 image = SPR_FLAT_GRASS_TILE;
2426 if (image != SPR_FLAT_GRASS_TILE) {
2429 image = SPR_FLAT_SNOW_DESERT_TILE;
2435 if (rti->UsesOverlay()) {
2479 void DrawTrainDepotSprite(
int x,
int y,
int dir,
RailType railtype)
2486 if (image != SPR_FLAT_GRASS_TILE) image += offset;
2491 if (rti->UsesOverlay()) {
2501 if (depot_sprite != 0) offset = depot_sprite - SPR_RAIL_DEPOT_SE_1;
2506 static int GetSlopePixelZ_Track(
TileIndex tile, uint x, uint y)
2525 static void TileLoop_Track(
TileIndex tile)
2637 default: NOT_REACHED();
2642 if (old_ground != new_ground) {
2643 SetRailGroundType(tile, new_ground);
2655 default: NOT_REACHED();
2670 default: NOT_REACHED();
2711 static bool ClickTile_Track(
TileIndex tile)
2727 td->
str = STR_LAI_RAIL_DESCRIPTION_TRACK;
2731 static const StringID signal_type[6][6] = {
2733 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_SIGNALS,
2734 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_PRESIGNALS,
2735 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_EXITSIGNALS,
2736 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_COMBOSIGNALS,
2737 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_PBSSIGNALS,
2738 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_NOENTRYSIGNALS
2741 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_PRESIGNALS,
2742 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRESIGNALS,
2743 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_EXITSIGNALS,
2744 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_COMBOSIGNALS,
2745 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_PBSSIGNALS,
2746 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_NOENTRYSIGNALS
2749 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_EXITSIGNALS,
2750 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_EXITSIGNALS,
2751 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXITSIGNALS,
2752 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_COMBOSIGNALS,
2753 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_PBSSIGNALS,
2754 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_NOENTRYSIGNALS
2757 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_COMBOSIGNALS,
2758 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_COMBOSIGNALS,
2759 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_COMBOSIGNALS,
2760 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_COMBOSIGNALS,
2761 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_COMBO_PBSSIGNALS,
2762 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_COMBO_NOENTRYSIGNALS
2765 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_PBSSIGNALS,
2766 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_PBSSIGNALS,
2767 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_PBSSIGNALS,
2768 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_COMBO_PBSSIGNALS,
2769 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PBSSIGNALS,
2770 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PBS_NOENTRYSIGNALS
2773 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NORMAL_NOENTRYSIGNALS,
2774 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PRE_NOENTRYSIGNALS,
2775 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_EXIT_NOENTRYSIGNALS,
2776 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_COMBO_NOENTRYSIGNALS,
2777 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_PBS_NOENTRYSIGNALS,
2778 STR_LAI_RAIL_DESCRIPTION_TRACK_WITH_NOENTRYSIGNALS
2785 primary_signal = GetSignalType(tile,
TRACK_UPPER);
2788 secondary_signal = primary_signal = GetSignalType(tile,
TRACK_LOWER);
2791 td->
str = signal_type[secondary_signal][primary_signal];
2796 td->
str = STR_LAI_RAIL_DESCRIPTION_TRAIN_DEPOT;
2818 uint num_pieces = 1;
2825 Company::Get(old_owner)->infrastructure.rail[rt] -= num_pieces;
2826 Company::Get(new_owner)->infrastructure.rail[rt] += num_pieces;
2830 Company::Get(old_owner)->infrastructure.signal -= num_sigs;
2831 Company::Get(new_owner)->infrastructure.signal += num_sigs;
2840 static const byte _fractcoords_behind[4] = { 0x8F, 0x8, 0x80, 0xF8 };
2841 static const byte _fractcoords_enter[4] = { 0x8A, 0x48, 0x84, 0xA8 };
2842 static const int8 _deltacoord_leaveoffset[8] = {
2860 case DIAGDIR_NE:
return ((
int)(v->
x_pos & 0x0F) - ((_fractcoords_enter[dir] & 0x0F) - (length + 1)));
2861 case DIAGDIR_SE:
return -((int)(v->
y_pos & 0x0F) - ((_fractcoords_enter[dir] >> 4) + (length + 1)));
2862 case DIAGDIR_SW:
return -((int)(v->
x_pos & 0x0F) - ((_fractcoords_enter[dir] & 0x0F) + (length + 1)));
2864 case DIAGDIR_NW:
return ((
int)(v->
y_pos & 0x0F) - ((_fractcoords_enter[dir] >> 4) - (length + 1)));
2887 byte fract_coord_leave =
2888 ((_fractcoords_enter[dir] & 0x0F) +
2889 (length + 1) * _deltacoord_leaveoffset[dir]) +
2890 (((_fractcoords_enter[dir] >> 4) +
2891 ((length + 1) * _deltacoord_leaveoffset[dir + 4])) << 4);
2893 byte fract_coord = (x & 0xF) + ((y & 0xF) << 4);
2895 if (_fractcoords_behind[dir] == fract_coord) {
2898 }
else if (_fractcoords_enter[dir] == fract_coord) {
2910 }
else if (fract_coord_leave == fract_coord) {
2913 if ((v = v->
Next()) != NULL) {
2946 switch (rail_bits) {
2947 case TRACK_BIT_LEFT: track_corner = CORNER_W;
break;
2948 case TRACK_BIT_LOWER: track_corner = CORNER_S;
break;
2949 case TRACK_BIT_RIGHT: track_corner = CORNER_E;
break;
2950 case TRACK_BIT_UPPER: track_corner = CORNER_N;
break;
2954 if (z_old != z_new || tileh_old != tileh_new)
return_cmd_error(STR_ERROR_MUST_REMOVE_RAILROAD_TRACK);
2961 if (z_old != z_new)
return_cmd_error(STR_ERROR_MUST_REMOVE_RAILROAD_TRACK);
2965 if (tileh_old != tileh_new) {
2998 switch (rail_bits) {
2999 case TRACK_BIT_RIGHT: allowed_corner = CORNER_W;
break;
3000 case TRACK_BIT_UPPER: allowed_corner = CORNER_S;
break;
3001 case TRACK_BIT_LEFT: allowed_corner = CORNER_E;
break;
3002 case TRACK_BIT_LOWER: allowed_corner = CORNER_N;
break;
3003 default:
return autoslope_result;
3012 for (
Corner corner = (
Corner)0; corner < CORNER_END; corner = (
Corner)(corner + 1)) {
3013 if (allowed_corner == corner)
continue;
3032 GetSlopePixelZ_Track,
3036 GetTileTrackStatus_Track,
3040 ChangeTileOwner_Track,
3043 GetFoundation_Track,
3044 TerraformTile_Track,