path: root/openttd-git/sloped-stations.patch

diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index d8327c4449..af261cbf2e 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -190,14 +190,6 @@ RailType AllocateRailType(RailTypeLabel label)
 	return INVALID_RAILTYPE;
 }
 
-static const byte _track_sloped_sprites[14] = {
-	14, 15, 22, 13,
-	 0, 21, 17, 12,
-	23,  0, 18, 20,
-	19, 16
-};
-
-
 /*         4
  *     ---------
  *    |\       /|
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index e9edbf2549..fa60de4506 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -35,6 +35,7 @@
 #include "date_func.h"
 #include "genworld.h"
 #include "company_gui.h"
+#include "road_cmd.h"
 
 #include "table/strings.h"
 
@@ -101,8 +102,6 @@ static const RoadBits _invalid_tileh_slopes_road[2][15] = {
 	}
 };
 
-static Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
-
 /**
  * Is it allowed to remove the given road bits from the given tile?
  * @param tile      the tile to remove the road from
@@ -1145,7 +1144,7 @@ struct DrawRoadTileStruct {
  * @param bits The RoadBits part
  * @return The resulting Foundation
  */
-static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
+Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
 {
 	/* Flat land and land without a road doesn't require a foundation */
 	if (tileh == SLOPE_FLAT || bits == ROAD_NONE) return FOUNDATION_NONE;
@@ -1167,13 +1166,6 @@ static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
 	return (bits == ROAD_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
 }
 
-const byte _road_sloped_sprites[14] = {
-	0,  0,  2,  0,
-	0,  1,  0,  0,
-	3,  0,  0,  0,
-	0,  0
-};
-
 /**
  * Should the road be drawn as a unpaved snow/desert road?
  * By default, roads are always drawn as unpaved if they are on desert or
diff --git a/src/road_cmd.h b/src/road_cmd.h
index 3cf588dcd6..2a0da61427 100644
--- a/src/road_cmd.h
+++ b/src/road_cmd.h
@@ -14,8 +14,11 @@
 
 #include "direction_type.h"
 #include "road_type.h"
+#include "slope_type.h"
 
 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt);
 void UpdateNearestTownForRoadTiles(bool invalidate);
 
+Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
+
 #endif /* ROAD_CMD_H */
diff --git a/src/road_type.h b/src/road_type.h
index 5251a53923..ce9ac81518 100644
--- a/src/road_type.h
+++ b/src/road_type.h
@@ -73,4 +73,11 @@ enum RoadBits {
 DECLARE_ENUM_AS_BIT_SET(RoadBits)
 template <> struct EnumPropsT<RoadBits> : MakeEnumPropsT<RoadBits, byte, ROAD_NONE, ROAD_END, ROAD_NONE, 4> {};
 
+const byte _road_sloped_sprites[14] = {
+	0,  0,  2,  0,
+	0,  1,  0,  0,
+	3,  0,  0,  0,
+	0,  0
+};
+
 #endif /* ROAD_TYPE_H */
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index 7086d151d0..3252327972 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -1483,7 +1483,7 @@ again:
 					v->x_pos = x;
 					v->y_pos = y;
 					v->UpdatePosition();
-					RoadZPosAffectSpeed(v, v->UpdateInclination(true, false));
+					RoadZPosAffectSpeed(v, v->UpdateInclination(false, false));
 					return true;
 				}
 			}
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index acffe113dd..675385d777 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -55,6 +55,7 @@
 #include "linkgraph/linkgraph_base.h"
 #include "linkgraph/refresh.h"
 #include "widgets/station_widget.h"
+#include "road_cmd.h"
 
 #include "table/strings.h"
 
@@ -800,7 +801,7 @@ CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
  * Checks if the given tile is buildable, flat and has a certain height.
  * @param tile TileIndex to check.
  * @param invalid_dirs Prohibited directions for slopes (set of #DiagDirection).
- * @param allowed_z Height allowed for the tile. If allowed_z is negative, it will be set to the height of this tile.
+ * @param allowed_z Height allowed for the tile. If allowed_z is -1, it will be set to the height of this tile.
  * @param allow_steep Whether steep slopes are allowed.
  * @param check_bridge Check for the existence of a bridge.
  * @return The cost in case of success, or an error code if it failed.
@@ -839,10 +840,10 @@ CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z
 	}
 
 	/* The level of this tile must be equal to allowed_z. */
-	if (allowed_z < 0) {
+	if (allowed_z == -1) {
 		/* First tile. */
 		allowed_z = flat_z;
-	} else if (allowed_z != flat_z) {
+	} else if (allowed_z != flat_z && allowed_z >= 0) {
 		return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
 	}
 
@@ -890,14 +891,14 @@ static CommandCost CheckFlatLandAirport(AirportTileTableIterator tile_iter, DoCo
 static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag flags, Axis axis, StationID *station, RailType rt, std::vector<Train *> &affected_vehicles, StationClassID spec_class, byte spec_index, byte plat_len, byte numtracks)
 {
 	CommandCost cost(EXPENSES_CONSTRUCTION);
-	int allowed_z = -1;
+	int allowed_z = -2;
 	uint invalid_dirs = 5 << axis;
 
 	const StationSpec *statspec = StationClass::Get(spec_class)->GetSpec(spec_index);
 	bool slope_cb = statspec != nullptr && HasBit(statspec->callback_mask, CBM_STATION_SLOPE_CHECK);
 
 	TILE_AREA_LOOP(tile_cur, tile_area) {
-		CommandCost ret = CheckBuildableTile(tile_cur, invalid_dirs, allowed_z, false);
+		CommandCost ret = CheckBuildableTile(tile_cur, 0, allowed_z, true);
 		if (ret.Failed()) return ret;
 		cost.AddCost(ret);
 
@@ -976,10 +977,10 @@ static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag fl
 static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags, uint invalid_dirs, bool is_drive_through, bool is_truck_stop, Axis axis, StationID *station, RoadTypes rts)
 {
 	CommandCost cost(EXPENSES_CONSTRUCTION);
-	int allowed_z = -1;
+	int allowed_z = -2;
 
 	TILE_AREA_LOOP(cur_tile, tile_area) {
-		CommandCost ret = CheckBuildableTile(cur_tile, invalid_dirs, allowed_z, !is_drive_through);
+		CommandCost ret = CheckBuildableTile(cur_tile, invalid_dirs, allowed_z, true);
 		if (ret.Failed()) return ret;
 		cost.AddCost(ret);
 
@@ -1874,7 +1875,7 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin
 	/* Total road stop cost. */
 	CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
 	StationID est = INVALID_STATION;
-	ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << axis : 1 << ddir, is_drive_through, type, axis, &est, rts);
+	ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 0 : 1 << ddir, is_drive_through, type, axis, &est, rts);
 	if (ret.Failed()) return ret;
 	cost.AddCost(ret);
 
@@ -2821,6 +2822,32 @@ static void DrawTile_Station(TileInfo *ti)
 		palette = PALETTE_TO_GREY;
 	}
 
+	/* always draw leveled foundations only for airports and road bays! */
+	if (ti->tileh != SLOPE_FLAT && (IsAirport(ti->tile) || IsStandardRoadStopTile(ti->tile)))
+		DrawFoundation(ti, FOUNDATION_LEVELED);
+
+	if (HasStationTileRail(ti->tile) && IsCustomStationSpecIndex(ti->tile)) {
+		/* look for customization */
+		st = BaseStation::GetByTile(ti->tile);
+		statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
+
+		if (statspec != nullptr) {
+			uint tile = GetStationGfx(ti->tile);
+
+			relocation = GetCustomStationRelocation(statspec, st, ti->tile);
+
+			if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
+				uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
+				if (callback != CALLBACK_FAILED) tile = (callback & ~1) + GetRailStationAxis(ti->tile);
+			}
+
+			/* Ensure the chosen tile layout is valid for this custom station */
+			if (statspec->renderdata != nullptr) {
+				t = &statspec->renderdata[tile < statspec->tiles ? tile : (uint)GetRailStationAxis(ti->tile)];
+			}
+		}
+	}
+
 	if (layout == nullptr && (t == nullptr || t->seq == nullptr)) t = GetStationTileLayout(GetStationType(ti->tile), gfx);
 
 	/* don't show foundation for docks */
@@ -2887,10 +2914,10 @@ static void DrawTile_Station(TileInfo *ti)
 			}
 
 			OffsetGroundSprite(31, 1);
-			ti->z += ApplyPixelFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
+			ti->z += ApplyPixelFoundationToSlope(FOUNDATION_NONE, &ti->tileh); //FOUNDATION_LEVELED, &ti->tileh);
 		} else {
 draw_default_foundation:
-			DrawFoundation(ti, FOUNDATION_LEVELED);
+			DrawFoundation(ti, FOUNDATION_NONE); //FOUNDATION_LEVELED);
 		}
 	}
 
@@ -2946,14 +2973,64 @@ draw_default_foundation:
 				DrawGroundSprite(overlay + overlay_offset, PALETTE_CRASH);
 			}
 		} else {
-			image += HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? ground_relocation : total_offset;
-			if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += ground_relocation;
+			if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
+				pal += ground_relocation;
+			} else {
+        if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
+          image += ground_relocation;
+        } else {
+          if (ti->tileh != SLOPE_FLAT && (IsRailStation(ti->tile) || IsRoadStop(ti->tile))) {
+				    /* It's a sloped rail station? */
+				    Foundation rf = FOUNDATION_NONE;
+            if (IsRoadStop(ti->tile)) {
+              /* Roadstops without foundation on a slope
+               * and on Slopes with one corner raised */
+              rf = GetRoadFoundation(ti->tileh, AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(ti->tile))));
+              DrawFoundation(ti, rf);
+              /* Draws the sloped road */
+              if (ti->tileh != SLOPE_FLAT) image = _road_sloped_sprites[ti->tileh - 1] + 0x53F;
+            } else {
+              /* sloped rail station */
+              TrackBits track = AxisToTrackBits(GetRailStationAxis(ti->tile));
+              rf = GetRailFoundation(ti->tileh, track);
+              DrawFoundation(ti, rf);
+              if (rf != FOUNDATION_LEVELED) {
+                image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y;
+              } else {
+                (image = rti->base_sprites.track_y, track == TRACK_BIT_Y ) || (image++, track == TRACK_BIT_X);
+              }
+            }
+          } else {
+            /* it's not a slope */
+            image += total_offset;
+          }
+        }
+      }
 			DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
 
 			/* PBS debugging, draw reserved tracks darker */
 			if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
 				const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
-				DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
+				TrackBits pbs = AxisToTrackBits(GetRailStationAxis(ti->tile));
+				// TODO: possibly inverted in 7b136d1fddbb2d0840076dfe2ddbe666b29fee8d
+				if (pbs & TRACK_BIT_X) {
+					if (ti->tileh == SLOPE_FLAT || ti->tileh == SLOPE_ELEVATED) {
+						DrawGroundSprite(rti->base_sprites.single_y, PALETTE_CRASH);
+					} else {
+						DrawGroundSprite(_track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.single_sloped - 20, PALETTE_CRASH);
+					}
+				}
+				if (pbs & TRACK_BIT_Y) {
+					if (ti->tileh == SLOPE_FLAT || ti->tileh == SLOPE_ELEVATED) {
+						DrawGroundSprite(rti->base_sprites.single_x, PALETTE_CRASH);
+					} else {
+						DrawGroundSprite(_track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.single_sloped - 20, PALETTE_CRASH);
+					}
+				}
+				if (pbs & TRACK_BIT_UPPER) AddSortableSpriteToDraw(rti->base_sprites.single_n, PALETTE_CRASH, ti->x, ti->y, 16, 16, 0, ti->z + (ti->tileh & SLOPE_N ? 8 : 0));
+				if (pbs & TRACK_BIT_LOWER) AddSortableSpriteToDraw(rti->base_sprites.single_s, PALETTE_CRASH, ti->x, ti->y, 16, 16, 0, ti->z + (ti->tileh & SLOPE_S ? 8 : 0));
+				if (pbs & TRACK_BIT_LEFT)  AddSortableSpriteToDraw(rti->base_sprites.single_w, PALETTE_CRASH, ti->x, ti->y, 16, 16, 0, ti->z + (ti->tileh & SLOPE_W ? 8 : 0));
+				if (pbs & TRACK_BIT_RIGHT) AddSortableSpriteToDraw(rti->base_sprites.single_e, PALETTE_CRASH, ti->x, ti->y, 16, 16, 0, ti->z + (ti->tileh & SLOPE_E ? 8 : 0));
 			}
 		}
 	}
@@ -3006,6 +3083,16 @@ void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, Ro
 
 static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y)
 {
+	/* this code makes vehicles and trains follow the slope on sloped stations */
+	if (IsRailStation(tile) || IsRoadStopTile(tile) && !IsStandardRoadStopTile(tile)) {
+		int z;
+		Slope tileh = GetTilePixelSlope(tile, &z);
+		Axis axis = IsRailStation(tile)?GetRailStationAxis(tile):DiagDirToAxis(GetRoadStopDir(tile));
+
+		z += 8*ApplyFoundationToSlope(GetRailFoundation(tileh,AxisToTrackBits(axis)), &tileh);
+		return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
+	}
+
 	return GetTileMaxPixelZ(tile);
 }
 
diff --git a/src/table/sprites.h b/src/table/sprites.h
index a573269975..7db27ec181 100644
--- a/src/table/sprites.h
+++ b/src/table/sprites.h
@@ -260,7 +260,26 @@ static const SpriteID SPR_TRUCK_STOP_DT_Y_W = SPR_ROADSTOP_BASE + 4;
 static const SpriteID SPR_TRUCK_STOP_DT_Y_E = SPR_ROADSTOP_BASE + 5;
 static const SpriteID SPR_TRUCK_STOP_DT_X_W = SPR_ROADSTOP_BASE + 6;
 static const SpriteID SPR_TRUCK_STOP_DT_X_E = SPR_ROADSTOP_BASE + 7;
-static const uint16 ROADSTOP_SPRITE_COUNT = 8;
+
+/* sprites for sloped graphics */
+static const SpriteID SPR_BUS_STOP_DT_SE_W   = SPR_ROADSTOP_BASE + 12;
+static const SpriteID SPR_BUS_STOP_DT_SE_E   = SPR_ROADSTOP_BASE + 13;
+static const SpriteID SPR_BUS_STOP_DT_NE_E   = SPR_ROADSTOP_BASE + 14;
+static const SpriteID SPR_BUS_STOP_DT_NE_W   = SPR_ROADSTOP_BASE + 15;
+static const SpriteID SPR_BUS_STOP_DT_NW_W   = SPR_ROADSTOP_BASE + 16;
+static const SpriteID SPR_BUS_STOP_DT_NW_E   = SPR_ROADSTOP_BASE + 17;
+static const SpriteID SPR_BUS_STOP_DT_SW_E   = SPR_ROADSTOP_BASE + 18;
+static const SpriteID SPR_BUS_STOP_DT_SW_W   = SPR_ROADSTOP_BASE + 19;
+static const SpriteID SPR_TRUCK_STOP_DT_SE_W = SPR_ROADSTOP_BASE + 20;
+static const SpriteID SPR_TRUCK_STOP_DT_SE_E = SPR_ROADSTOP_BASE + 21;
+static const SpriteID SPR_TRUCK_STOP_DT_NE_E = SPR_ROADSTOP_BASE + 22;
+static const SpriteID SPR_TRUCK_STOP_DT_NE_W = SPR_ROADSTOP_BASE + 23;
+static const SpriteID SPR_TRUCK_STOP_DT_NW_W = SPR_ROADSTOP_BASE + 24;
+static const SpriteID SPR_TRUCK_STOP_DT_NW_E = SPR_ROADSTOP_BASE + 25;
+static const SpriteID SPR_TRUCK_STOP_DT_SW_E = SPR_ROADSTOP_BASE + 26;
+static const SpriteID SPR_TRUCK_STOP_DT_SW_W = SPR_ROADSTOP_BASE + 27;
+
+static const uint16 ROADSTOP_SPRITE_COUNT = 28;
 
 /** Tramway sprites */
 static const SpriteID SPR_TRAMWAY_BASE                 = SPR_ROADSTOP_BASE + ROADSTOP_SPRITE_COUNT;
diff --git a/src/table/station_land.h b/src/table/station_land.h
index b678297d90..2291ba6bd3 100644
--- a/src/table/station_land.h
+++ b/src/table/station_land.h
@@ -777,6 +777,62 @@ static const DrawTileSeqStruct _station_display_datas_waypoint_Y[] = {
 	TILE_SEQ_END()
 };
 
+// drive-through bus stop SE slope
+static const DrawTileSeqStruct _station_display_datas_0172[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_SE_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_SE_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through bus stop NE slope
+static const DrawTileSeqStruct _station_display_datas_0173[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_NE_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_NE_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through bus stop NW slope
+static const DrawTileSeqStruct _station_display_datas_0174[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_NW_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_NW_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through bus stop SW slope
+static const DrawTileSeqStruct _station_display_datas_0175[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_BUS_STOP_DT_SW_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_BUS_STOP_DT_SW_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through truck stop SE slope
+static const DrawTileSeqStruct _station_display_datas_0176[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_SE_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_SE_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through truck stop NE slope
+static const DrawTileSeqStruct _station_display_datas_0177[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_NE_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_NE_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through truck stop NW slope
+static const DrawTileSeqStruct _station_display_datas_0178[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_NW_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_NW_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
+// drive-through truck stop SW slope
+static const DrawTileSeqStruct _station_display_datas_0179[] = {
+	TILE_SEQ_LINE( 0,  0,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_SW_W | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_LINE( 0, 13,  0,  16,  3, 16, SPR_TRUCK_STOP_DT_SW_E | (1 << PALETTE_MODIFIER_COLOUR))
+	TILE_SEQ_END()
+};
+
 #undef TILE_SEQ_END
 #undef TILE_SEQ_LINE
 #undef TILE_SEQ_LINE_PAL
@@ -946,6 +1002,10 @@ static const DrawTileSprites _station_display_datas_truck[] = {
 	TILE_SPRITE_LINE(SPR_TRUCK_STOP_NW_GROUND | (1U << PALETTE_MODIFIER_COLOUR), _station_display_datas_70)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0168)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0169)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0176)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0177)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0178)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0179)
 };
 
 static const DrawTileSprites _station_display_datas_bus[] = {
@@ -955,6 +1015,10 @@ static const DrawTileSprites _station_display_datas_bus[] = {
 	TILE_SPRITE_LINE(SPR_BUS_STOP_NW_GROUND   | (1U << PALETTE_MODIFIER_COLOUR), _station_display_datas_74)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0170)
 	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0171)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0172)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0173)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_X,      _station_display_datas_0174)
+	TILE_SPRITE_LINE(SPR_ROAD_PAVED_STRAIGHT_Y,      _station_display_datas_0175)
 };
 
 static const DrawTileSprites _station_display_datas_oilrig[] = {
diff --git a/src/track_type.h b/src/track_type.h
index 2982288bba..a89fd708cd 100644
--- a/src/track_type.h
+++ b/src/track_type.h
@@ -126,4 +126,11 @@ typedef SimpleTinyEnumT<TrackdirBits, uint16> TrackdirBitsShort;
 
 typedef uint32 TrackStatus;
 
+static const byte _track_sloped_sprites[14] = {
+	14, 15, 22, 13,
+	 0, 21, 17, 12,
+	23,  0, 18, 20,
+	19, 16
+};
+
 #endif /* TRACK_TYPE_H */