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-rw-r--r--src/station_cmd.cpp102
1 files changed, 88 insertions, 14 deletions
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 2d97c2fd2..e6302d704 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -706,10 +706,11 @@ static CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
* @param flags operation to perform
* @param invalid_dirs prohibited directions (set of DiagDirections)
* @param station StationID to be queried and returned if available
+ * @param bool check_facing_slope to check which stations are allowed to build on slopes facing the slope
* @param check_clear if clearing tile should be performed (in wich case, cost will be added)
* @return the cost in case of success, or an error code if it failed.
*/
-CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag flags, uint invalid_dirs, StationID *station, bool check_clear = true)
+CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag flags, uint invalid_dirs, StationID *station, bool check_facing_slope = false, bool check_clear = true)
{
CommandCost cost(EXPENSES_CONSTRUCTION);
int allowed_z = -1;
@@ -735,13 +736,16 @@ CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag fla
int flat_z = z;
if (tileh != SLOPE_FLAT) {
- /* need to check so the entrance to the station is not pointing at a slope.
+ /* Do not allow road bays to be build facing on slopes, but allow all other kinds of stations.
+ * Need to check so the entrance to the station is not pointing at a slope.
* This must be valid for all station tiles, as the user can remove single station tiles. */
- if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) ||
- (HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) ||
- (HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) ||
- (HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) {
- return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
+ if (check_facing_slope) {
+ if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) ||
+ (HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) ||
+ (HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) ||
+ (HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) {
+ return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
+ }
}
cost.AddCost(_price.terraform);
flat_z += TILE_HEIGHT;
@@ -1454,7 +1458,7 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin
rts |= cur_rts;
}
- CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !build_over_road);
+ CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !HasBit(p2, 1), !build_over_road);
if (CmdFailed(cost)) return cost;
uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
cost.AddCost(_price.build_road * roadbits_to_build);
@@ -2309,15 +2313,33 @@ const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
return &_station_display_datas[st][gfx];
}
+/* these two arrays are copied from rail/road_cmd.cpp, I should find a way to
+ * duplicate less code
+ */
+const byte _road_sloped_sprites[14] = {
+ 0, 0, 2, 0,
+ 0, 1, 0, 0,
+ 3, 0, 0, 0,
+ 0, 0
+};
+
+const byte _track_sloped_sprites[14] = {
+ 14, 15, 22, 13,
+ 0, 21, 17, 12,
+ 23, 0, 18, 20,
+ 19, 16
+};
+
static void DrawTile_Station(TileInfo *ti)
{
const DrawTileSprites *t = NULL;
RoadTypes roadtypes;
int32 total_offset;
int32 custom_ground_offset;
+ const RailtypeInfo *rti;
if (IsRailwayStation(ti->tile)) {
- const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
+ rti = GetRailTypeInfo(GetRailType(ti->tile));
roadtypes = ROADTYPES_NONE;
total_offset = rti->total_offset;
custom_ground_offset = rti->custom_ground_offset;
@@ -2339,8 +2361,8 @@ static void DrawTile_Station(TileInfo *ti)
palette = PALETTE_TO_GREY;
}
- /* don't show foundation for docks */
- if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile))
+ /* 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 (IsCustomStationSpecIndex(ti->tile)) {
@@ -2388,14 +2410,55 @@ static void DrawTile_Station(TileInfo *ti)
image += GetCustomStationGroundRelocation(statspec, st, ti->tile);
image += custom_ground_offset;
} else {
- image += total_offset;
+ /* It's a sloped rail/road station? */
+ if (ti->tileh != SLOPE_FLAT && (IsRailwayStation(ti->tile) || IsRoadStop(ti->tile))) {
+ 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 is 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 && IsRailwayStation(ti->tile) && GetRailwayStationReservation(ti->tile)) {
- const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
- DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_y : rti->base_sprites.single_x, PALETTE_CRASH);
+ TrackBits pbs = AxisToTrackBits(GetRailStationAxis(ti->tile));
+ 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));
}
}
@@ -2464,6 +2527,17 @@ void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, Ro
static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y)
{
+ Axis axis;
+ uint z;
+ Slope tileh = GetTileSlope(tile, &z);
+
+ /* this code makes vehicles and trains follow the slope on sloped stations */
+ if (IsRailwayStation(tile) || IsRoadStopTile(tile) && !IsStandardRoadStopTile(tile)) {
+ axis = IsRailwayStation(tile)?GetRailStationAxis(tile):DiagDirToAxis(GetRoadStopDir(tile));
+ z += ApplyFoundationToSlope(GetRailFoundation(tileh,AxisToTrackBits(axis)), &tileh);
+ return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
+ }
+
return GetTileMaxZ(tile);
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-18 16:52:58 +0000