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Diffstat (limited to 'src/rail_cmd.cpp')
-rw-r--r--src/rail_cmd.cpp87
1 files changed, 44 insertions, 43 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index a793bb8a5..c7a912e8a 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -114,13 +114,13 @@ static const TrackBits _valid_tileh_slopes[][15] = {
TRACK_BIT_X,
TRACK_BIT_LEFT,
- 0,
+ TRACK_BIT_NONE,
TRACK_BIT_Y,
TRACK_BIT_LOWER,
TRACK_BIT_LOWER,
TRACK_BIT_Y,
- 0,
+ TRACK_BIT_NONE,
TRACK_BIT_LEFT,
TRACK_BIT_X,
@@ -130,7 +130,7 @@ static const TrackBits _valid_tileh_slopes[][15] = {
// allowed rail for an evenly raised platform
{
- 0,
+ TRACK_BIT_NONE,
TRACK_BIT_LEFT,
TRACK_BIT_LOWER,
TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_LEFT,
@@ -237,7 +237,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
int32 cost = 0;
int32 ret;
- if (!ValParamRailtype(p1) || !ValParamTrackOrientation(p2)) return CMD_ERROR;
+ if (!ValParamRailtype(p1) || !ValParamTrackOrientation((Track)p2)) return CMD_ERROR;
railtype = (RailType)p1;
track = (Track)p2;
@@ -304,7 +304,7 @@ int32 CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* FALLTHROUGH */
default:
- ret = CheckRailSlope(tileh, trackbit, 0, tile);
+ ret = CheckRailSlope(tileh, trackbit, TRACK_BIT_NONE, tile);
if (CmdFailed(ret)) return ret;
cost += ret;
@@ -337,7 +337,7 @@ int32 CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
int32 cost = _price.remove_rail;
bool crossing = false;
- if (!ValParamTrackOrientation(p2)) return CMD_ERROR;
+ if (!ValParamTrackOrientation((Track)p2)) return CMD_ERROR;
trackbit = TrackToTrackBits(track);
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
@@ -427,7 +427,7 @@ static int32 ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileIndex end
int ey = TileY(end);
int dx, dy, trdx, trdy;
- if (!ValParamTrackOrientation(*trackdir)) return CMD_ERROR;
+ if (!ValParamTrackOrientation(TrackdirToTrack(*trackdir))) return CMD_ERROR;
// calculate delta x,y from start to end tile
dx = ex - x;
@@ -450,7 +450,7 @@ static int32 ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileIndex end
(trdy >= 0 && dy < 0)
) {
if (!HASBIT(*trackdir, 3)) { // first direction is invalid, try the other
- SETBIT(*trackdir, 3); // reverse the direction
+ *trackdir = SetBitT(*trackdir, 3); // reverse the direction
trdx = -trdx;
trdy = -trdy;
} else { // other direction is invalid too, invalid drag
@@ -513,7 +513,7 @@ static int32 CmdRailTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint32
tile += ToTileIndexDiff(_trackdelta[trackdir]);
// toggle railbit for the non-diagonal tracks
- if (!IsDiagonalTrackdir(trackdir)) trackdir ^= 1;
+ if (!IsDiagonalTrackdir(trackdir)) trackdir = ToggleBitT(trackdir, 0);
}
return (total_cost == 0) ? CMD_ERROR : total_cost;
@@ -586,14 +586,15 @@ int32 CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (d == NULL) return CMD_ERROR;
if (flags & DC_EXEC) {
- MakeRailDepot(tile, _current_player, p2, p1);
+ DiagDirection dir = (DiagDirection)p2;
+ MakeRailDepot(tile, _current_player, dir, (RailType)p1);
MarkTileDirtyByTile(tile);
d->xy = tile;
d->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
- UpdateSignalsOnSegment(tile, p2);
- YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(p2)));
+ UpdateSignalsOnSegment(tile, dir);
+ YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(dir)));
}
return cost + _price.build_train_depot;
@@ -676,7 +677,7 @@ int32 CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
// cycle between normal -> pre -> exit -> combo -> ...
SignalType type = GetSignalType(tile);
- SetSignalType(tile, type == SIGTYPE_COMBO ? SIGTYPE_NORMAL : type + 1);
+ SetSignalType(tile, type == SIGTYPE_COMBO ? SIGTYPE_NORMAL : (SignalType)(type + 1));
} else {
CycleSignalSide(tile, track);
}
@@ -714,7 +715,7 @@ static int32 CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint3
TileIndex end_tile;
int mode = p2 & 0x1;
- Track track = GB(p2, 4, 3);
+ Track track = (Track)GB(p2, 4, 3);
Trackdir trackdir = TrackToTrackdir(track);
byte semaphores = (HASBIT(p2, 3) ? 8 : 0);
byte signal_density = (p2 >> 24);
@@ -773,7 +774,7 @@ static int32 CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint3
signal_ctr++;
// toggle railbit for the non-diagonal tracks (|, -- tracks)
- if (!IsDiagonalTrackdir(trackdir)) trackdir ^= 1;
+ if (!IsDiagonalTrackdir(trackdir)) trackdir = ToggleBitT(trackdir, 0);
}
return error ? CMD_ERROR : total_cost;
@@ -853,13 +854,14 @@ static int32 DoConvertRail(TileIndex tile, RailType totype, bool exec)
// change type.
if (exec) {
- TrackBits tracks;
SetRailType(tile, totype);
MarkTileDirtyByTile(tile);
// notify YAPF about the track layout change
- for (tracks = GetTrackBits(tile); tracks != TRACK_BIT_NONE; tracks = KILL_FIRST_BIT(tracks))
- YapfNotifyTrackLayoutChange(tile, FIND_FIRST_BIT(tracks));
+ TrackBits tracks = GetTrackBits(tile);
+ while (tracks != TRACK_BIT_NONE) {
+ YapfNotifyTrackLayoutChange(tile, RemoveFirstTrack(tracks));
+ }
if (IsTileDepotType(tile, TRANSPORT_RAIL)) {
Vehicle *v;
@@ -926,7 +928,7 @@ int32 CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
default: continue;
}
- ret = proc(tile, p2, false);
+ ret = proc(tile, (RailType)p2, false);
if (CmdFailed(ret)) continue;
cost += ret;
@@ -936,7 +938,7 @@ int32 CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
_additional_cash_required = ret;
return cost - ret;
}
- proc(tile, p2, true);
+ proc(tile, (RailType)p2, true);
}
}
}
@@ -985,10 +987,9 @@ static int32 ClearTile_Track(TileIndex tile, byte flags)
case RAIL_TILE_SIGNALS:
case RAIL_TILE_NORMAL: {
TrackBits tracks = GetTrackBits(tile);
- uint i;
-
- for_each_bit (i, tracks) {
- ret = DoCommand(tile, 0, i, flags, CMD_REMOVE_SINGLE_RAIL);
+ while (tracks != TRACK_BIT_NONE) {
+ Track track = RemoveFirstTrack(tracks);
+ ret = DoCommand(tile, 0, track, flags, CMD_REMOVE_SINGLE_RAIL);
if (CmdFailed(ret)) return CMD_ERROR;
cost += ret;
}
@@ -1011,7 +1012,7 @@ static int32 ClearTile_Track(TileIndex tile, byte flags)
static void DrawSingleSignal(TileIndex tile, byte condition, uint image, uint pos)
{
- bool side = _opt.road_side & _patches.signal_side;
+ bool side = (_opt.road_side != 0) && _patches.signal_side;
static const Point SignalPositions[2][12] = {
{ /* Signals on the left side */
/* LEFT LEFT RIGHT RIGHT UPPER UPPER */
@@ -1403,28 +1404,28 @@ typedef struct SetSignalsData {
int presignal_exits_free;
// these are used to keep track of the signals that change.
- byte bit[NUM_SSD_ENTRY];
+ TrackdirByte bit[NUM_SSD_ENTRY];
TileIndex tile[NUM_SSD_ENTRY];
// these are used to keep track of the stack that modifies presignals recursively
TileIndex next_tile[NUM_SSD_STACK];
- byte next_dir[NUM_SSD_STACK];
+ DiagDirectionByte next_dir[NUM_SSD_STACK];
} SetSignalsData;
-static bool SetSignalsEnumProc(TileIndex tile, void* data, int track, uint length, byte* state)
+static bool SetSignalsEnumProc(TileIndex tile, void* data, Trackdir trackdir, uint length, byte* state)
{
- SetSignalsData* ssd = data;
+ SetSignalsData* ssd = (SetSignalsData*)data;
if (!IsTileType(tile, MP_RAILWAY)) return false;
// the tile has signals?
- if (HasSignalOnTrack(tile, TrackdirToTrack(track))) {
- if (HasSignalOnTrackdir(tile, ReverseTrackdir(track))) {
+ if (HasSignalOnTrack(tile, TrackdirToTrack(trackdir))) {
+ if (HasSignalOnTrackdir(tile, ReverseTrackdir(trackdir))) {
// yes, add the signal to the list of signals
if (ssd->cur != NUM_SSD_ENTRY) {
ssd->tile[ssd->cur] = tile; // remember the tile index
- ssd->bit[ssd->cur] = track; // and the controlling bit number
+ ssd->bit[ssd->cur] = trackdir; // and the controlling bit number
ssd->cur++;
}
@@ -1432,10 +1433,10 @@ static bool SetSignalsEnumProc(TileIndex tile, void* data, int track, uint lengt
ssd->has_presignal |= IsPresignalEntry(tile);
}
- if (HasSignalOnTrackdir(tile, track) && IsPresignalExit(tile)) {
+ if (HasSignalOnTrackdir(tile, trackdir) && IsPresignalExit(tile)) {
// this is an exit signal that points out from the segment
ssd->presignal_exits++;
- if (GetSignalStateByTrackdir(tile, track) != SIGNAL_STATE_RED)
+ if (GetSignalStateByTrackdir(tile, trackdir) != SIGNAL_STATE_RED)
ssd->presignal_exits_free++;
}
@@ -1455,7 +1456,7 @@ typedef struct SignalVehicleCheckStruct {
static void *SignalVehicleCheckProc(Vehicle *v, void *data)
{
- const SignalVehicleCheckStruct* dest = data;
+ const SignalVehicleCheckStruct* dest = (SignalVehicleCheckStruct*)data;
if (v->type != VEH_Train) return NULL;
@@ -1514,7 +1515,7 @@ static bool SignalVehicleCheck(TileIndex tile, uint track)
static void SetSignalsAfterProc(TrackPathFinder *tpf)
{
- SetSignalsData *ssd = tpf->userdata;
+ SetSignalsData *ssd = (SetSignalsData*)tpf->userdata;
const TrackPathFinderLink* link;
uint offs;
uint i;
@@ -1550,9 +1551,9 @@ static void SetSignalsAfterProc(TrackPathFinder *tpf)
}
}
-static const byte _dir_from_track[14] = {
- 0,1,0,1,2,1, 0,0,
- 2,3,3,2,3,0,
+static const DiagDirection _dir_from_track[14] = {
+ DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_NE,
+ DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NW, DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE,
};
@@ -1909,7 +1910,7 @@ static void ChangeTileOwner_Track(TileIndex tile, PlayerID old_player, PlayerID
static const byte _fractcoords_behind[4] = { 0x8F, 0x8, 0x80, 0xF8 };
static const byte _fractcoords_enter[4] = { 0x8A, 0x48, 0x84, 0xA8 };
-static const byte _deltacoord_leaveoffset[8] = {
+static const signed char _deltacoord_leaveoffset[8] = {
-1, 0, 1, 0, /* x */
0, 1, 0, -1 /* y */
};
@@ -1945,7 +1946,7 @@ static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y)
} else if (_fractcoords_enter[dir] == fract_coord) {
if (DiagDirToDir(ReverseDiagDir(dir)) == v->direction) {
/* enter the depot */
- v->u.rail.track = 0x80,
+ v->u.rail.track = TRACK_BIT_SPECIAL,
v->vehstatus |= VS_HIDDEN; /* hide it */
v->direction = ReverseDir(v->direction);
if (v->next == NULL) VehicleEnterDepot(v);
@@ -1959,7 +1960,7 @@ static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y)
/* leave the depot? */
if ((v = v->next) != NULL) {
v->vehstatus &= ~VS_HIDDEN;
- v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? 1 : 2);
+ v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y);
}
}
}
@@ -1968,7 +1969,7 @@ static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y)
}
-const TileTypeProcs _tile_type_rail_procs = {
+extern const TileTypeProcs _tile_type_rail_procs = {
DrawTile_Track, /* draw_tile_proc */
GetSlopeZ_Track, /* get_slope_z_proc */
ClearTile_Track, /* clear_tile_proc */
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-30 12:48:51 +0000