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authortron <tron@openttd.org>2006-03-01 08:56:38 +0000
committertron <tron@openttd.org>2006-03-01 08:56:38 +0000
commitb404072ccc43fad529e8cf13532e646d3d4767d5 (patch)
treec9a6270610c574618ee43157834cb8fe59329fe0
parent6c1576143bb031c7c0ebb94f6b45dc6ce007382f (diff)
downloadopenttd-b404072ccc43fad529e8cf13532e646d3d4767d5.tar.xz
(svn r3696) Add functions to turn a tile into a normal rail tile/depot/waypoint. This is just a tiny step, the rail code needs way more love and caring
-rw-r--r--rail_cmd.c17
-rw-r--r--rail_map.h49
-rw-r--r--road_cmd.c15
-rw-r--r--waypoint.c19
4 files changed, 71 insertions, 29 deletions
diff --git a/rail_cmd.c b/rail_cmd.c
index 099c2a859..eb98ce8b8 100644
--- a/rail_cmd.c
+++ b/rail_cmd.c
@@ -4,6 +4,7 @@
#include "openttd.h"
#include "debug.h"
#include "functions.h"
+#include "rail_map.h"
#include "road.h"
#include "table/sprites.h"
#include "table/strings.h"
@@ -372,13 +373,7 @@ int32 CmdBuildSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2)
if (CmdFailed(ret)) return ret;
cost += ret;
- if (flags & DC_EXEC) {
- SetTileType(tile, MP_RAILWAY);
- SetTileOwner(tile, _current_player);
- _m[tile].m2 = 0; // Bare land
- _m[tile].m3 = p1; // No signals, rail type
- _m[tile].m5 = trackbit;
- }
+ if (flags & DC_EXEC) MakeRailNormal(tile, _current_player, trackbit, p1);
break;
}
@@ -681,12 +676,8 @@ int32 CmdBuildTrainDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
if (flags & DC_EXEC) {
if (IsLocalPlayer()) _last_built_train_depot_tile = tile;
- ModifyTile(tile,
- MP_SETTYPE(MP_RAILWAY) |
- MP_MAP3LO | MP_MAPOWNER_CURRENT | MP_MAP5,
- p1, /* map3_lo */
- p2 | RAIL_TYPE_DEPOT_WAYPOINT /* map5 */
- );
+ MakeRailDepot(tile, _current_player, p2, p1);
+ MarkTileDirtyByTile(tile);
d->xy = tile;
d->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
diff --git a/rail_map.h b/rail_map.h
new file mode 100644
index 000000000..35a0ddfd3
--- /dev/null
+++ b/rail_map.h
@@ -0,0 +1,49 @@
+/* $Id$ */
+
+#ifndef RAIL_MAP_H
+#define RAIL_MAP_H
+
+#include "rail.h"
+#include "tile.h"
+#include "waypoint.h"
+
+
+static inline TrackBits GetRailWaypointBits(TileIndex t)
+{
+ return _m[t].m5 & RAIL_WAYPOINT_TRACK_MASK ? TRACK_BIT_DIAG2 : TRACK_BIT_DIAG1;
+}
+
+
+static inline void MakeRailNormal(TileIndex t, Owner o, TrackBits b, RailType r)
+{
+ SetTileType(t, MP_RAILWAY);
+ SetTileOwner(t, o);
+ _m[t].m2 = 0;
+ _m[t].m3 = r;
+ _m[t].m4 = 0;
+ _m[t].m5 = RAIL_TYPE_NORMAL | b;
+}
+
+
+static inline void MakeRailDepot(TileIndex t, Owner o, DiagDirection d, RailType r)
+{
+ SetTileType(t, MP_RAILWAY);
+ SetTileOwner(t, o);
+ _m[t].m2 = 0;
+ _m[t].m3 = r;
+ _m[t].m4 = 0;
+ _m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_DEPOT | d;
+}
+
+
+static inline void MakeRailWaypoint(TileIndex t, Owner o, Axis a, RailType r, uint index)
+{
+ SetTileType(t, MP_RAILWAY);
+ SetTileOwner(t, o);
+ _m[t].m2 = index;
+ _m[t].m3 = r;
+ _m[t].m4 = 0;
+ _m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_WAYPOINT | a;
+}
+
+#endif
diff --git a/road_cmd.c b/road_cmd.c
index 589b274ef..3b2c8164e 100644
--- a/road_cmd.c
+++ b/road_cmd.c
@@ -2,6 +2,7 @@
#include "stdafx.h"
#include "openttd.h"
+#include "rail_map.h"
#include "road.h"
#include "table/sprites.h"
#include "table/strings.h"
@@ -234,26 +235,22 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
}
case ROAD_CROSSING: {
- byte c;
+ TrackBits track;
if (!(ti.map5 & 8)) {
- c = 2;
if (pieces & ROAD_Y) goto return_error;
+ track = TRACK_BIT_DIAG2;
} else {
- c = 1;
if (pieces & ROAD_X) goto return_error;
+ track = TRACK_BIT_DIAG1;
}
cost = _price.remove_road * 2;
if (flags & DC_EXEC) {
ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM);
- ModifyTile(tile,
- MP_SETTYPE(MP_RAILWAY) |
- MP_MAP2_CLEAR | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5,
- _m[tile].m4 & 0xF, /* map3_lo */
- c /* map5 */
- );
+ MakeRailNormal(tile, GetTileOwner(tile), track, GB(_m[tile].m4, 0, 4));
+ MarkTileDirtyByTile(tile);
}
return cost;
}
diff --git a/waypoint.c b/waypoint.c
index d3eff1603..dbe5728ea 100644
--- a/waypoint.c
+++ b/waypoint.c
@@ -8,6 +8,7 @@
#include "gfx.h"
#include "map.h"
#include "order.h"
+#include "rail_map.h"
#include "saveload.h"
#include "station.h"
#include "tile.h"
@@ -174,15 +175,19 @@ int32 CmdBuildTrainWaypoint(int x, int y, uint32 flags, uint32 p1, uint32 p2)
TileIndex tile = TileVirtXY(x, y);
Waypoint *wp;
uint tileh;
- uint dir;
+ Axis axis;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* if custom gfx are used, make sure it is within bounds */
if (p1 >= GetNumCustomStations(STAT_CLASS_WAYP)) return CMD_ERROR;
- if (!IsTileType(tile, MP_RAILWAY) || ((dir = 0, _m[tile].m5 != 1) && (dir = 1, _m[tile].m5 != 2)))
+ if (!IsTileType(tile, MP_RAILWAY) || (
+ (axis = AXIS_X, _m[tile].m5 != TRACK_BIT_DIAG1) &&
+ (axis = AXIS_Y, _m[tile].m5 != TRACK_BIT_DIAG2)
+ )) {
return_cmd_error(STR_1005_NO_SUITABLE_RAILROAD_TRACK);
+ }
if (!CheckTileOwnership(tile))
return CMD_ERROR;
@@ -191,7 +196,7 @@ int32 CmdBuildTrainWaypoint(int x, int y, uint32 flags, uint32 p1, uint32 p2)
tileh = GetTileSlope(tile, NULL);
if (tileh != 0) {
- if (!_patches.build_on_slopes || IsSteepTileh(tileh) || !(tileh & (0x3 << dir)) || !(tileh & ~(0x3 << dir)))
+ if (!_patches.build_on_slopes || IsSteepTileh(tileh) || !(tileh & (0x3 << axis)) || !(tileh & ~(0x3 << axis)))
return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
}
@@ -208,7 +213,8 @@ int32 CmdBuildTrainWaypoint(int x, int y, uint32 flags, uint32 p1, uint32 p2)
if (flags & DC_EXEC) {
const StationSpec *spec = NULL;
- ModifyTile(tile, MP_MAP2 | MP_MAP5, wp->index, RAIL_TYPE_WAYPOINT | dir);
+ MakeRailWaypoint(tile, GetTileOwner(tile), axis, GB(_m[tile].m3, 0, 4), wp->index);
+ MarkTileDirtyByTile(tile);
if (GB(p1, 0, 8) < GetNumCustomStations(STAT_CLASS_WAYP))
spec = GetCustomStation(STAT_CLASS_WAYP, GB(p1, 0, 8));
@@ -294,9 +300,8 @@ int32 RemoveTrainWaypoint(TileIndex tile, uint32 flags, bool justremove)
RedrawWaypointSign(wp);
if (justremove) {
- ModifyTile(tile, MP_MAP2_CLEAR | MP_MAP5, 1<<direction);
- CLRBIT(_m[tile].m3, 4);
- _m[tile].m4 = 0;
+ MakeRailNormal(tile, GetTileOwner(tile), GetRailWaypointBits(tile), GB(_m[tile].m3, 0, 4));
+ MarkTileDirtyByTile(tile);
} else {
DoClearSquare(tile);
SetSignalsOnBothDir(tile, direction);