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-rw-r--r--bin/data/oneway.grfbin0 -> 581 bytes
-rw-r--r--docs/landscape.html5
-rw-r--r--docs/landscape_grid.html2
-rw-r--r--src/gfxinit.cpp3
-rw-r--r--src/lang/english.txt1
-rw-r--r--src/newgrf.cpp8
-rw-r--r--src/road_cmd.cpp84
-rw-r--r--src/road_gui.cpp2
-rw-r--r--src/road_map.h55
-rw-r--r--src/roadveh_cmd.cpp5
-rw-r--r--src/table/files.h1
-rw-r--r--src/table/sprites.h3
12 files changed, 151 insertions, 18 deletions
diff --git a/bin/data/oneway.grf b/bin/data/oneway.grf
new file mode 100644
index 000000000..4c376e93a
--- /dev/null
+++ b/bin/data/oneway.grf
Binary files differ
diff --git a/docs/landscape.html b/docs/landscape.html
index 142c94682..b876bb31b 100644
--- a/docs/landscape.html
+++ b/docs/landscape.html
@@ -534,7 +534,8 @@
</table>
</li>
<li>m4 bits 7..4: road layout road type #2
- <li>m5 bits 4..0: owner of road type #2
+ <li>m5 bits 5..4: bits to disallow vehicles to go a specific direction
+ <li>m5 bits 3..0: owner of road type #2
<li>m6 bits 5..2: road layout road type #3
<li>m7 bits 7..5: road types
<li>m7 bits 4..0: owner of road type #3
@@ -559,7 +560,7 @@
<li>m4 bit 6: clear - road in the X direction, set - road in the Y direction (railway track always perpendicular)</li>
<li>m4 bit 5: set if crossing lights are on</li>
<li>m4 bits 4..0: <a href="#OwnershipInfo">owner</a> of the road type #1</li>
- <li>m5 bits 4..0: owner of road type #2
+ <li>m5 bits 3..0: owner of road type #2
<li>m7 bits 7..5: road types
<li>m7 bits 4..0: owner of road type #3
</ul>
diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html
index 5a492458e..01a0ef1e2 100644
--- a/docs/landscape_grid.html
+++ b/docs/landscape_grid.html
@@ -125,7 +125,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits">XXXX XXXX XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
- <td class="bits">XX<span class="free">OO</span> XXXX</td>
+ <td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
</tr>
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
index b1f6e4ab2..9abdd1679 100644
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -399,6 +399,9 @@ static void LoadSpriteTables()
assert(load_index == SPR_TRAMWAY_BASE);
load_index += LoadGrfFile("tramtrkw.grf", load_index, i++);
+ assert(load_index == SPR_ONEWAY_BASE);
+ load_index += LoadGrfFile("oneway.grf", load_index, i++);
+
/* Initialize the unicode to sprite mapping table */
InitializeUnicodeGlyphMap();
diff --git a/src/lang/english.txt b/src/lang/english.txt
index c3f9dc0cf..9a2d69353 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -1600,6 +1600,7 @@ STR_ROAD_WORKS_IN_PROGRESS :{WHITE}Road wor
STR_1802_ROAD_CONSTRUCTION :{WHITE}Road Construction
STR_1802_TRAMWAY_CONSTRUCTION :{WHITE}Tramway Construction
STR_1803_SELECT_ROAD_BRIDGE :{WHITE}Select Road Bridge
+STR_ERR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION :{WHITE}... one way roads can't have junctions
STR_1804_CAN_T_BUILD_ROAD_HERE :{WHITE}Can't build road here...
STR_1804_CAN_T_BUILD_TRAMWAY_HERE :{WHITE}Can't build tramway here...
STR_1805_CAN_T_REMOVE_ROAD_FROM :{WHITE}Can't remove road from here...
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 0ba3aa846..cc44682d0 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -2897,6 +2897,14 @@ static void GraphicsNew(byte *buf, int len)
replace = SPR_CANALS_BASE + 5;
break;
+ case 0x09: // One way graphics
+ if (num != 6) {
+ grfmsg(1, "GraphicsNew: One way road graphics sprite count must be 6, skipping");
+ return;
+ }
+ replace = SPR_ONEWAY_BASE;
+ break;
+
case 0x0A: // 2CC colour maps
if (num != 256) {
grfmsg(1, "GraphicsNew: 2CC colour maps sprite count must be 256, skipping");
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 5f4e6e538..6ab860502 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -218,6 +218,10 @@ int32 CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
SetRoadTypes(tile, rts);
}
} else {
+ /* When bits are removed, you *always* end up with something that
+ * is not a complete straight road tile. However, trams do not have
+ * onewayness, so they cannot remove it either. */
+ if (rt != ROADTYPE_TRAM) SetDisallowedRoadDirections(tile, DRD_NONE);
SetRoadBits(tile, present, rt);
MarkTileDirtyByTile(tile);
}
@@ -333,6 +337,7 @@ static uint32 CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existing)
* @param flags operation to perform
* @param p1 bit 0..3 road pieces to build (RoadBits)
* bit 4..5 road type
+ * bit 6..7 disallowed directions to toggle
* @param p2 the town that is building the road (0 if not applicable)
*/
int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
@@ -354,12 +359,14 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
RoadType rt = (RoadType)GB(p1, 4, 2);
if (!IsValidRoadType(rt)) return CMD_ERROR;
+ DisallowedRoadDirections toggle_drd = (DisallowedRoadDirections)GB(p1, 6, 2);
+
tileh = GetTileSlope(tile, NULL);
switch (GetTileType(tile)) {
case MP_STREET:
switch (GetRoadTileType(tile)) {
- case ROAD_TILE_NORMAL:
+ case ROAD_TILE_NORMAL: {
if (HasRoadWorks(tile)) return_cmd_error(STR_ROAD_WORKS_IN_PROGRESS);
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
@@ -367,10 +374,27 @@ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (!HASBIT(GetRoadTypes(tile), rt)) break;
existing = GetRoadBits(tile, rt);
+ RoadBits merged = existing | pieces;
+ bool crossing = (merged & ROAD_X) != ROAD_NONE && (merged & ROAD_Y) != ROAD_NONE;
+ if (GetDisallowedRoadDirections(tile) != DRD_NONE && crossing) {
+ /* Junctions cannot be one-way */
+ return_cmd_error(STR_ERR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
+ }
if ((existing & pieces) == pieces) {
+ /* We only want to set the (dis)allowed road directions */
+ if (toggle_drd != DRD_NONE && rt != ROADTYPE_TRAM && GetRoadOwner(tile, ROADTYPE_ROAD) == _current_player) {
+ if (crossing) return_cmd_error(STR_ERR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
+
+ /* Ignore half built tiles */
+ if (flags & DC_EXEC && rt != ROADTYPE_TRAM && (existing == ROAD_X || existing == ROAD_Y)) {
+ SetDisallowedRoadDirections(tile, GetDisallowedRoadDirections(tile) ^ toggle_drd);
+ MarkTileDirtyByTile(tile);
+ }
+ return 0;
+ }
return_cmd_error(STR_1007_ALREADY_BUILT);
}
- break;
+ } break;
case ROAD_TILE_CROSSING:
if (HASBIT(GetRoadTypes(tile), rt)) return_cmd_error(STR_1007_ALREADY_BUILT);
@@ -504,6 +528,12 @@ do_clear:;
break;
}
+ if (rt != ROADTYPE_TRAM && IsTileType(tile, MP_STREET) && GetRoadTileType(tile) == ROAD_TILE_NORMAL) {
+ existing |= pieces;
+ SetDisallowedRoadDirections(tile, (existing == ROAD_X || existing == ROAD_Y) ?
+ GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
+ }
+
MarkTileDirtyByTile(tile);
}
return cost;
@@ -549,12 +579,15 @@ int32 DoConvertStreetRail(TileIndex tile, RailType totype, bool exec)
* - p2 = (bit 1) - end tile starts in the 2nd half of tile (p2 & 2)
* - p2 = (bit 2) - direction: 0 = along x-axis, 1 = along y-axis (p2 & 4)
* - p2 = (bit 3 + 4) - road type
+ * - p2 = (bit 5) - set road direction
*/
int32 CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
{
TileIndex start_tile, tile;
int32 cost, ret;
bool had_bridge = false;
+ bool had_success = false;
+ DisallowedRoadDirections drd = DRD_NORTHBOUND;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
@@ -574,8 +607,16 @@ int32 CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
start_tile = end_tile;
end_tile = t;
p2 ^= IS_INT_INSIDE(p2 & 3, 1, 3) ? 3 : 0;
+ drd = DRD_SOUTHBOUND;
}
+ /* On the X-axis, we have to swap the initial bits, so they
+ * will be interpreted correctly in the GTTS. Futhermore
+ * when you just 'click' on one tile to build them. */
+ if (HASBIT(p2, 2) == (start_tile == end_tile)) drd ^= DRD_BOTH;
+ /* No disallowed direction bits have to be toggled */
+ if (!HASBIT(p2, 5)) drd = DRD_NONE;
+
cost = 0;
tile = start_tile;
/* Start tile is the small number. */
@@ -585,11 +626,12 @@ int32 CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE;
if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW;
- ret = DoCommand(tile, rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
+ ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
if (CmdFailed(ret)) {
if (_error_message != STR_1007_ALREADY_BUILT) return CMD_ERROR;
_error_message = INVALID_STRING_ID;
} else {
+ had_success = true;
/* Only pay for the upgrade on one side of the bridge */
if (IsBridgeTile(tile)) {
if ((!had_bridge || GetBridgeRampDirection(tile) == DIAGDIR_SE || GetBridgeRampDirection(tile) == DIAGDIR_SW)) {
@@ -606,7 +648,7 @@ int32 CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
tile += HASBIT(p2, 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0);
}
- return (cost == 0) ? CMD_ERROR : cost;
+ return !had_success ? CMD_ERROR : cost;
}
/** Remove a long piece of road.
@@ -881,6 +923,23 @@ void DrawTramCatenary(TileInfo *ti, RoadBits tram)
}
/**
+ * Draws details on/around the road
+ * @param img the sprite to draw
+ * @param ti the tile to draw on
+ * @param dx the offset from the top of the BB of the tile
+ * @param dy the offset from the top of the BB of the tile
+ * @param h the height of the sprite to draw
+ */
+static void DrawRoadDetail(SpriteID img, TileInfo *ti, int dx, int dy, int h)
+{
+ int x = ti->x | dx;
+ int y = ti->y | dy;
+ byte z = ti->z;
+ if (ti->tileh != SLOPE_FLAT) z = GetSlopeZ(x, y);
+ AddSortableSpriteToDraw(img, PAL_NONE, x, y, 2, 2, h, z);
+}
+
+/**
* Draw ground sprite and road pieces
* @param ti TileInfo
*/
@@ -921,6 +980,13 @@ static void DrawRoadBits(TileInfo* ti)
DrawGroundSprite(image, pal);
+ if (road != ROAD_NONE) {
+ DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
+ if (drd != DRD_NONE) {
+ DrawRoadDetail(SPR_ONEWAY_BASE + drd - 1 + ((road == ROAD_X) ? 0 : 3), ti, 8, 8, 0);
+ }
+ }
+
/* For tram we overlay the road graphics with either tram tracks only
* (when there is actual road beneath the trams) or with tram tracks
* and some dirts which hides the road graphics */
@@ -947,11 +1013,7 @@ static void DrawRoadBits(TileInfo* ti)
/* Draw extra details. */
for (drts = _road_display_table[roadside][road]; drts->image != 0; drts++) {
- int x = ti->x | drts->subcoord_x;
- int y = ti->y | drts->subcoord_y;
- byte z = ti->z;
- if (ti->tileh != SLOPE_FLAT) z = GetSlopeZ(x, y);
- AddSortableSpriteToDraw(drts->image, PAL_NONE, x, y, 2, 2, 0x10, z);
+ DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10);
}
}
@@ -1216,7 +1278,9 @@ static uint32 GetTileTrackStatus_Road(TileIndex tile, TransportType mode, uint s
switch (GetRoadTileType(tile)) {
case ROAD_TILE_NORMAL: {
RoadType rt = (RoadType)FindFirstBit(sub_mode);
- return HasRoadWorks(tile) ? 0 : _road_trackbits[GetRoadBits(tile, rt)] * 0x101;
+ const uint drd_to_multiplier[DRD_END] = { 0x101, 0x100, 0x1, 0x0 };
+ uint multiplier = drd_to_multiplier[rt == ROADTYPE_TRAM ? DRD_NONE : GetDisallowedRoadDirections(tile)];
+ return HasRoadWorks(tile) ? 0 : _road_trackbits[GetRoadBits(tile, rt)] * multiplier;
}
case ROAD_TILE_CROSSING: {
diff --git a/src/road_gui.cpp b/src/road_gui.cpp
index 83e132ae6..ed15fe0b9 100644
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -343,7 +343,7 @@ static void BuildRoadToolbWndProc(Window *w, WindowEvent *e)
case DDSP_PLACE_ROAD_NE:
case DDSP_PLACE_ROAD_NW:
- DoCommandP(end_tile, start_tile, _place_road_flag | (_cur_roadtype << 3), CcPlaySound1D,
+ DoCommandP(end_tile, start_tile, _place_road_flag | (_cur_roadtype << 3) | _ctrl_pressed << 5, CcPlaySound1D,
_remove_button_clicked ?
CMD_REMOVE_LONG_ROAD | CMD_AUTO | CMD_NO_WATER | CMD_MSG(_road_type_infos[_cur_roadtype].err_remove_road) :
CMD_BUILD_LONG_ROAD | CMD_AUTO | CMD_NO_WATER | CMD_MSG(_road_type_infos[_cur_roadtype].err_build_road));
diff --git a/src/road_map.h b/src/road_map.h
index 4887e76d3..032febed6 100644
--- a/src/road_map.h
+++ b/src/road_map.h
@@ -89,14 +89,24 @@ static inline Owner GetRoadOwner(TileIndex t, RoadType rt)
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m1, 0, 5);
- case ROADTYPE_TRAM: return (Owner)GB( _m[t].m5, 0, 5);
+ case ROADTYPE_TRAM: {
+ /* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
+ * to OWNER_TOWN makes it use one bit less */
+ Owner o = (Owner)GB( _m[t].m5, 0, 4);
+ return o == OWNER_TOWN ? OWNER_NONE : o;
+ }
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5);
}
case ROAD_TILE_CROSSING:
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m4, 0, 5);
- case ROADTYPE_TRAM: return (Owner)GB( _m[t].m5, 0, 5);
+ case ROADTYPE_TRAM: {
+ /* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
+ * to OWNER_TOWN makes it use one bit less */
+ Owner o = (Owner)GB( _m[t].m5, 0, 4);
+ return o == OWNER_TOWN ? OWNER_NONE : o;
+ }
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5);
}
case ROAD_TILE_DEPOT: return GetTileOwner(t);
@@ -113,7 +123,9 @@ static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: SB( _m[t].m1, 0, 5, o); break;
- case ROADTYPE_TRAM: SB( _m[t].m5, 0, 5, o); break;
+ /* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
+ * to OWNER_TOWN makes it use one bit less */
+ case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break;
}
break;
@@ -121,7 +133,9 @@ static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
switch (rt) {
default: NOT_REACHED();
case ROADTYPE_ROAD: SB( _m[t].m4, 0, 5, o); break;
- case ROADTYPE_TRAM: SB( _m[t].m5, 0, 5, o); break;
+ /* Trams don't need OWNER_TOWN, and remapping OWNER_NONE
+ * to OWNER_TOWN makes it use one bit less */
+ case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break;
}
break;
@@ -129,6 +143,39 @@ static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
}
}
+/** Which directions are disallowed ? */
+enum DisallowedRoadDirections {
+ DRD_NONE, ///< None of the directions are disallowed
+ DRD_SOUTHBOUND, ///< All southbound traffic is disallowed
+ DRD_NORTHBOUND, ///< All northbound traffic is disallowed
+ DRD_BOTH, ///< All directions are disallowed
+ DRD_END
+};
+DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections);
+
+/**
+ * Gets the disallowed directions
+ * @param t the tile to get the directions from
+ * @return the disallowed directions
+ */
+static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
+{
+ assert(GetRoadTileType(t) == ROAD_TILE_NORMAL);
+ return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2);
+}
+
+/**
+ * Sets the disallowed directions
+ * @param t the tile to set the directions for
+ * @param drd the disallowed directions
+ */
+static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
+{
+ assert(GetRoadTileType(t) == ROAD_TILE_NORMAL);
+ assert(drd < DRD_END);
+ SB(_m[t].m5, 4, 2, drd);
+}
+
static inline Axis GetCrossingRoadAxis(TileIndex t)
{
assert(GetRoadTileType(t) == ROAD_TILE_CROSSING);
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index ba731b9e9..2cb240a76 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -485,6 +485,8 @@ int32 CmdTurnRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
return CMD_ERROR;
}
+ if (GetDisallowedRoadDirections(v->tile) != DRD_NONE) return CMD_ERROR;
+
if (IsTunnelTile(v->tile) && DirToDiagDir(v->direction) == GetTunnelDirection(v->tile)) return CMD_ERROR;
if (IsBridgeTile(v->tile) && DirToDiagDir(v->direction) == GetBridgeRampDirection(v->tile)) return CMD_ERROR;
@@ -1415,6 +1417,9 @@ again:
v->cur_speed = 0;
return;
}
+ } else if (GetDisallowedRoadDirections(v->tile) != DRD_NONE) {
+ v->cur_speed = 0;
+ return;
} else {
tile = v->tile;
}
diff --git a/src/table/files.h b/src/table/files.h
index bd7b0a439..662b4c121 100644
--- a/src/table/files.h
+++ b/src/table/files.h
@@ -64,4 +64,5 @@ static MD5File files_openttd[] = {
{ "roadstops.grf", { 0x8c, 0xd9, 0x45, 0x21, 0x28, 0x82, 0x96, 0x45, 0x33, 0x22, 0x7a, 0xb9, 0x0d, 0xf3, 0x67, 0x4a } },
{ "group.grf", { 0xe8, 0x52, 0x5f, 0x1c, 0x3e, 0xf9, 0x91, 0x9d, 0x0f, 0x70, 0x8c, 0x8a, 0x21, 0xa4, 0xc7, 0x02 } },
{ "tramtrkw.grf", { 0x83, 0x0a, 0xf4, 0x9f, 0x29, 0x10, 0x48, 0xfd, 0x76, 0xe9, 0xda, 0xac, 0x5d, 0xa2, 0x30, 0x45 } },
+ { "oneway.grf", { 0xbb, 0xc6, 0xa3, 0xb2, 0xb3, 0xa0, 0xc9, 0x3c, 0xc9, 0xee, 0x24, 0x7c, 0xb6, 0x51, 0x74, 0x63 } },
};
diff --git a/src/table/sprites.h b/src/table/sprites.h
index c6257cdfe..77d87d3db 100644
--- a/src/table/sprites.h
+++ b/src/table/sprites.h
@@ -168,6 +168,9 @@ enum Sprites {
SPR_TRAMWAY_TUNNEL_WIRES = SPR_TRAMWAY_BASE + 80,
SPR_TRAMWAY_BRIDGE = SPR_TRAMWAY_BASE + 107,
+ /* One way road sprites */
+ SPR_ONEWAY_BASE = SPR_TRAMWAY_BASE + 113,
+
/* Manager face sprites */
SPR_GRADIENT = 874, // background gradient behind manager face
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-27 18:14:04 +0000