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-rw-r--r--src/autoreplace_cmd.cpp2
-rw-r--r--src/gamelog.cpp77
-rw-r--r--src/gamelog.h3
-rw-r--r--src/lang/english.txt4
-rw-r--r--src/newgrf_config.h8
-rw-r--r--src/openttd.cpp7
-rw-r--r--src/settings.cpp2
-rw-r--r--src/train.h1
-rw-r--r--src/train_cmd.cpp95
-rw-r--r--src/vehicle.cpp4
-rw-r--r--src/vehicle_func.h2
11 files changed, 181 insertions, 24 deletions
diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp
index c2a3eaaea..5d728c0c5 100644
--- a/src/autoreplace_cmd.cpp
+++ b/src/autoreplace_cmd.cpp
@@ -57,7 +57,7 @@ static void MoveVehicleCargo(Vehicle *dest, Vehicle *source)
* the complete train, which is without the weight of cargo we just
* moved back into some (of the) new wagon(s).
*/
- if (dest->type == VEH_TRAIN) TrainConsistChanged(dest->First());
+ if (dest->type == VEH_TRAIN) TrainConsistChanged(dest->First(), true);
}
static bool VerifyAutoreplaceRefitForOrders(const Vehicle *v, const EngineID engine_type)
diff --git a/src/gamelog.cpp b/src/gamelog.cpp
index f612f8951..029f43b70 100644
--- a/src/gamelog.cpp
+++ b/src/gamelog.cpp
@@ -39,6 +39,7 @@ enum GamelogChangeType {
GLCT_GRFCOMPAT, ///< Loading compatible GRF
GLCT_GRFPARAM, ///< GRF parameter changed
GLCT_GRFMOVE, ///< GRF order changed
+ GLCT_GRFBUG, ///< GRF bug triggered
GLCT_END, ///< So we know how many GLCTs are there
GLCT_NONE = 0xFF, ///< In savegames, end of list
};
@@ -79,6 +80,11 @@ struct LoggedChange {
int32 oldval; ///< old value
int32 newval; ///< new value
} patch;
+ struct {
+ uint64 data; ///< additional data
+ uint32 grfid; ///< ID of problematic GRF
+ byte bug; ///< type of bug, @see enum GRFBugs
+ } grfbug;
};
};
@@ -198,7 +204,8 @@ static const char *la_text[] = {
"game loaded",
"GRF config changed",
"cheat was used",
- "patch settings changed"
+ "patch settings changed",
+ "GRF bug triggered",
};
assert_compile(lengthof(la_text) == GLAT_END);
@@ -300,6 +307,15 @@ void GamelogPrint(GamelogPrintProc *proc)
BSWAP32(lc->grfmove.grfid), abs(lc->grfmove.offset), lc->grfmove.offset >= 0 ? "down" : "up" );
PrintGrfFilename(buf, lc->grfmove.grfid);
break;
+
+ case GLCT_GRFBUG:
+ switch (lc->grfbug.bug) {
+ default: NOT_REACHED();
+ case GBUG_VEH_LENGTH:
+ AddDebugText(buf, "Rail vehicle changes length outside a depot: GRF ID %08X, internal ID 0x%X", BSWAP32(lc->grfbug.grfid), (uint)lc->grfbug.data);
+ PrintGrfFilename(buf, lc->grfbug.grfid);
+ break;
+ }
}
proc(buf);
@@ -469,6 +485,51 @@ void GamelogTestMode()
}
+/** Logs triggered GRF bug.
+ * @param grfid ID of problematic GRF
+ * @param bug type of bug, @see enum GRFBugs
+ * @param data additional data
+ */
+static void GamelogGRFBug(uint32 grfid, byte bug, uint64 data)
+{
+ assert(_gamelog_action_type == GLAT_GRFBUG);
+
+ LoggedChange *lc = GamelogChange(GLCT_GRFBUG);
+ if (lc == NULL) return;
+
+ lc->grfbug.data = data;
+ lc->grfbug.grfid = grfid;
+ lc->grfbug.bug = bug;
+}
+
+/** Logs GRF bug - rail vehicle has different length after reversing.
+ * Ensures this is logged only once for each GRF and engine type
+ * This check takes some time, but it is called pretty seldom, so it
+ * doesn't matter that much (ideally it shouldn't be called at all).
+ * @param engine engine to log
+ * @return true iff a unique record was done
+ */
+bool GamelogGRFBugReverse(uint32 grfid, uint16 internal_id)
+{
+ const LoggedAction *laend = &_gamelog_action[_gamelog_actions];
+ for (const LoggedAction *la = _gamelog_action; la != laend; la++) {
+ const LoggedChange *lcend = &la->change[la->changes];
+ for (const LoggedChange *lc = la->change; lc != lcend; lc++) {
+ if (lc->ct == GLCT_GRFBUG && lc->grfbug.grfid == grfid &&
+ lc->grfbug.bug == GBUG_VEH_LENGTH && lc->grfbug.data == internal_id) {
+ return false;
+ }
+ }
+ }
+
+ GamelogStartAction(GLAT_GRFBUG);
+ GamelogGRFBug(grfid, GBUG_VEH_LENGTH, internal_id);
+ GamelogStopAction();
+
+ return true;
+}
+
+
/** Decides if GRF should be logged
* @param g grf to determine
* @return true iff GRF is not static and is loaded
@@ -724,8 +785,15 @@ static const SaveLoad _glog_grfparam_desc[] = {
};
static const SaveLoad _glog_grfmove_desc[] = {
- SLE_VAR(LoggedChange, grfmove.grfid, SLE_UINT32),
- SLE_VAR(LoggedChange, grfmove.offset, SLE_INT32),
+ SLE_VAR(LoggedChange, grfmove.grfid, SLE_UINT32),
+ SLE_VAR(LoggedChange, grfmove.offset, SLE_INT32),
+ SLE_END()
+};
+
+static const SaveLoad _glog_grfbug_desc[] = {
+ SLE_VAR(LoggedChange, grfbug.data, SLE_UINT64),
+ SLE_VAR(LoggedChange, grfbug.grfid, SLE_UINT32),
+ SLE_VAR(LoggedChange, grfbug.bug, SLE_UINT8),
SLE_END()
};
@@ -738,7 +806,8 @@ static const SaveLoad *_glog_desc[] = {
_glog_grfrem_desc,
_glog_grfcompat_desc,
_glog_grfparam_desc,
- _glog_grfmove_desc
+ _glog_grfmove_desc,
+ _glog_grfbug_desc,
};
assert_compile(lengthof(_glog_desc) == GLCT_END);
diff --git a/src/gamelog.h b/src/gamelog.h
index acf97c7ea..d2146d7a3 100644
--- a/src/gamelog.h
+++ b/src/gamelog.h
@@ -13,6 +13,7 @@ enum GamelogActionType {
GLAT_GRF, ///< GRF changed
GLAT_CHEAT, ///< Cheat was used
GLAT_PATCH, ///< Patches setting changed
+ GLAT_GRFBUG, ///< GRF bug was triggered
GLAT_END, ///< So we know how many GLATs are there
GLAT_NONE = 0xFF, ///< No logging active; in savegames, end of list
};
@@ -43,4 +44,6 @@ void GamelogTestRevision();
void GamelogTestMode();
void GamelogTestGRF();
+bool GamelogGRFBugReverse(uint32 grfid, uint16 internal_id);
+
#endif /* GAMELOG_H */
diff --git a/src/lang/english.txt b/src/lang/english.txt
index 27c7b0998..c3b57570b 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3217,6 +3217,10 @@ STR_NEWGRF_NOT_FOUND_WARNING :{WHITE}Missing
STR_NEWGRF_UNPAUSE_WARNING_TITLE :{YELLOW}Missing GRF file(s)
STR_NEWGRF_UNPAUSE_WARNING :{WHITE}Unpausing can crash OpenTTD. Do not file bug reports for subsequent crashes.{}Do you really want to unpause?
+STR_NEWGRF_BROKEN :{WHITE}Behaviour of NewGRF '{0:RAW_STRING}' is likely to cause desyncs and/or crashes.
+STR_NEWGRF_BROKEN_VEHICLE_LENGTH :{WHITE}It changes vehicle length for '{1:ENGINE}' when not inside a depot.
+STR_BROKEN_VEHICLE_LENGTH :{WHITE}Train '{VEHICLE}' belonging to '{COMPANY}' has invalid length. It is probably caused by problems with NewGRFs. Game may desync or crash.
+
STR_LOADGAME_REMOVED_TRAMS :{WHITE}Game was saved in version without tram support. All trams have been removed.
STR_CURRENCY_WINDOW :{WHITE}Custom currency
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index 45138d471..e7d5b11cb 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -28,8 +28,13 @@ enum GRFStatus {
GCS_ACTIVATED ///< GRF file has been activated
};
+/** Encountered GRF bugs */
+enum GRFBugs {
+ GBUG_VEH_LENGTH, ///< Length of rail vehicle changes when not inside a depot
+};
+
/** Status of post-gameload GRF compatibility check */
-enum GRFListCompatibility{
+enum GRFListCompatibility {
GLC_ALL_GOOD, ///< All GRF needed by game are present
GLC_COMPATIBLE, ///< Compatible (eg. the same ID, but different chacksum) GRF found in at least one case
GLC_NOT_FOUND ///< At least one GRF couldn't be found (higher priority than GLC_COMPATIBLE)
@@ -60,6 +65,7 @@ struct GRFConfig : public GRFIdentifier {
uint8 flags; ///< NOSAVE: GCF_Flags, bitset
GRFStatus status; ///< NOSAVE: GRFStatus, enum
+ uint32 grf_bugs; ///< NOSAVE: bugs in this GRF in this run, @see enum GRFBugs
uint32 param[0x80]; ///< GRF parameters
uint8 num_params; ///< Number of used parameters
diff --git a/src/openttd.cpp b/src/openttd.cpp
index ae06cd2e8..0fdb22b55 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -1013,7 +1013,7 @@ void StateGameLoop()
length = 0;
for (Vehicle *u = v; u != NULL; u = u->Next()) wagons[length++] = u->u.rail;
- TrainConsistChanged(v);
+ TrainConsistChanged(v, true);
length = 0;
for (Vehicle *u = v; u != NULL; u = u->Next()) {
@@ -1266,6 +1266,8 @@ static bool InitializeWindowsAndCaches()
* Reset each town's noise_reached value to '0' before. */
UpdateAirportsNoise();
+ CheckTrainsLengths();
+
return true;
}
@@ -1759,7 +1761,7 @@ bool AfterLoadGame()
}
FOR_ALL_VEHICLES(v) {
- if (v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) TrainConsistChanged(v);
+ if (v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) TrainConsistChanged(v, true);
}
}
@@ -2466,4 +2468,5 @@ void ReloadNewGRFData()
for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) InvalidateWindowData(WC_PLAYER_COLOR, i, _loaded_newgrf_features.has_2CC);
/* redraw the whole screen */
MarkWholeScreenDirty();
+ CheckTrainsLengths();
}
diff --git a/src/settings.cpp b/src/settings.cpp
index 9e7a561c5..32eb48797 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1240,7 +1240,7 @@ static int32 UpdateConsists(int32 p1)
Vehicle *v;
FOR_ALL_VEHICLES(v) {
/* Update the consist of all trains so the maximum speed is set correctly. */
- if (v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) TrainConsistChanged(v);
+ if (v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) TrainConsistChanged(v, true);
}
return 0;
}
diff --git a/src/train.h b/src/train.h
index f2dc7988f..7f7cb6166 100644
--- a/src/train.h
+++ b/src/train.h
@@ -271,6 +271,7 @@ byte FreightWagonMult(CargoID cargo);
int CheckTrainInDepot(const Vehicle *v, bool needs_to_be_stopped);
int CheckTrainStoppedInDepot(const Vehicle *v);
void UpdateTrainAcceleration(Vehicle* v);
+void CheckTrainsLengths();
/**
* This class 'wraps' Vehicle; you do not actually instantiate this class.
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index fd7c17127..f2be43e03 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -51,6 +51,8 @@
#include "order_func.h"
#include "newgrf_station.h"
#include "effectvehicle_func.h"
+#include "gamelog.h"
+#include "network/network.h"
#include "table/strings.h"
#include "table/train_cmd.h"
@@ -181,13 +183,76 @@ static void TrainCargoChanged(Vehicle *v)
}
+/** Logs a bug in GRF and shows a warning message if this
+ * is for the first time this happened.
+ * @param u first vehicle of chain
+ */
+static void RailVehicleLengthChanged(const Vehicle *u)
+{
+ /* show a warning once for each engine in whole game and once for each GRF after each game load */
+ const Engine *engine = GetEngine(u->engine_type);
+ uint32 grfid = engine->grffile->grfid;
+ GRFConfig *grfconfig = GetGRFConfig(grfid);
+ if (GamelogGRFBugReverse(grfid, engine->internal_id) || !HasBit(grfconfig->grf_bugs, GBUG_VEH_LENGTH)) {
+ SetBit(grfconfig->grf_bugs, GBUG_VEH_LENGTH);
+ SetDParamStr(0, grfconfig->name);
+ SetDParam(1, u->engine_type);
+ ShowErrorMessage(STR_NEWGRF_BROKEN_VEHICLE_LENGTH, STR_NEWGRF_BROKEN, 0, 0);
+
+ /* debug output */
+ char buffer[512];
+
+ SetDParamStr(0, grfconfig->name);
+ GetString(buffer, STR_NEWGRF_BROKEN, lastof(buffer));
+ DEBUG(grf, 0, "%s", buffer + 3);
+
+ SetDParam(1, u->engine_type);
+ GetString(buffer, STR_NEWGRF_BROKEN_VEHICLE_LENGTH, lastof(buffer));
+ DEBUG(grf, 0, "%s", buffer + 3);
+
+#ifdef ENABLE_NETWORK
+ if (!_networking) _pause_game = -1;
+#else
+ _pause_game = -1;
+#endif
+ }
+}
+
+/** Checks if lengths of all rail vehicles are valid. If not, shows an error message. */
+void CheckTrainsLengths()
+{
+ const Vehicle *v;
+
+ FOR_ALL_VEHICLES(v) {
+ if (v->type == VEH_TRAIN && v->First() == v && !(v->vehstatus & VS_CRASHED)) {
+ for (const Vehicle *u = v, *w = v->Next(); w != NULL; u = w, w = w->Next()) {
+ if (u->u.rail.track != TRACK_BIT_DEPOT) {
+ if ((w->u.rail.track != TRACK_BIT_DEPOT &&
+ max(abs(u->x_pos - w->x_pos), abs(u->y_pos - w->y_pos)) != u->u.rail.cached_veh_length) ||
+ (w->u.rail.track == TRACK_BIT_DEPOT && TicksToLeaveDepot(u) <= 0)) {
+ SetDParam(0, v->index);
+ SetDParam(1, v->owner);
+ ShowErrorMessage(INVALID_STRING_ID, STR_BROKEN_VEHICLE_LENGTH, 0, 0);
+#ifdef ENABLE_NETWORK
+ if (!_networking) _pause_game = -1;
+#else
+ _pause_game = -1;
+#endif
+ }
+ }
+ }
+ }
+ }
+}
+
/**
* Recalculates the cached stuff of a train. Should be called each time a vehicle is added
* to/removed from the chain, and when the game is loaded.
* Note: this needs to be called too for 'wagon chains' (in the depot, without an engine)
* @param v First vehicle of the chain.
+ * @param same_length should length of vehicles stay the same?
*/
-void TrainConsistChanged(Vehicle *v)
+void TrainConsistChanged(Vehicle *v, bool same_length)
{
uint16 max_speed = UINT16_MAX;
@@ -295,8 +360,14 @@ void TrainConsistChanged(Vehicle *v)
veh_len = GetVehicleCallback(CBID_VEHICLE_LENGTH, 0, 0, u->engine_type, u);
}
if (veh_len == CALLBACK_FAILED) veh_len = rvi_u->shorten_factor;
- veh_len = Clamp(veh_len, 0, u->Next() == NULL ? 7 : 5); // the clamp on vehicles not the last in chain is stricter, as too short wagons can break the 'follow next vehicle' code
- u->u.rail.cached_veh_length = 8 - veh_len;
+ veh_len = 8 - Clamp(veh_len, 0, u->Next() == NULL ? 7 : 5); // the clamp on vehicles not the last in chain is stricter, as too short wagons can break the 'follow next vehicle' code
+
+ /* verify length hasn't changed */
+ if (same_length && veh_len != u->u.rail.cached_veh_length) RailVehicleLengthChanged(u);
+
+ /* update vehicle length? */
+ if (!same_length) u->u.rail.cached_veh_length = veh_len;
+
v->u.rail.cached_total_length += u->u.rail.cached_veh_length;
}
@@ -618,7 +689,7 @@ static CommandCost CmdBuildRailWagon(EngineID engine, TileIndex tile, uint32 fla
_new_vehicle_id = v->index;
VehiclePositionChanged(v);
- TrainConsistChanged(v->First());
+ TrainConsistChanged(v->First(), false);
UpdateTrainGroupID(v->First());
InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
@@ -794,7 +865,7 @@ CommandCost CmdBuildRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32
AddArticulatedParts(vl, VEH_TRAIN);
}
- TrainConsistChanged(v);
+ TrainConsistChanged(v, false);
UpdateTrainGroupID(v);
if (!HasBit(p2, 1) && !(flags & DC_AUTOREPLACE)) { // check if the cars should be added to the new vehicle
@@ -1247,7 +1318,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p
if (src_head != NULL) {
NormaliseTrainConsist(src_head);
- TrainConsistChanged(src_head);
+ TrainConsistChanged(src_head, false);
UpdateTrainGroupID(src_head);
if (IsFrontEngine(src_head)) {
/* Update the refit button and window */
@@ -1260,7 +1331,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p
if (dst_head != NULL) {
NormaliseTrainConsist(dst_head);
- TrainConsistChanged(dst_head);
+ TrainConsistChanged(dst_head, false);
UpdateTrainGroupID(dst_head);
if (IsFrontEngine(dst_head)) {
/* Update the refit button and window */
@@ -1432,7 +1503,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* 5. If the train still exists, update its acceleration, window, etc. */
if (first != NULL) {
NormaliseTrainConsist(first);
- TrainConsistChanged(first);
+ TrainConsistChanged(first, false);
UpdateTrainGroupID(first);
if (IsFrontEngine(first)) InvalidateWindow(WC_VEHICLE_REFIT, first->index);
}
@@ -1497,7 +1568,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* 3. If it is still a valid train after selling, update its acceleration and cached values */
if (flags & DC_EXEC && first != NULL) {
NormaliseTrainConsist(first);
- TrainConsistChanged(first);
+ TrainConsistChanged(first, false);
UpdateTrainGroupID(first);
InvalidateWindow(WC_VEHICLE_REFIT, first->index);
}
@@ -1832,7 +1903,7 @@ static void ReverseTrainDirection(Vehicle *v)
ClrBit(v->u.rail.flags, VRF_REVERSING);
/* recalculate cached data */
- TrainConsistChanged(v);
+ TrainConsistChanged(v, true);
/* update all images */
for (Vehicle *u = v; u != NULL; u = u->Next()) u->cur_image = u->GetImage(u->direction);
@@ -2009,7 +2080,7 @@ CommandCost CmdRefitRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32
_returned_refit_capacity = num;
/* Update the train's cached variables */
- if (flags & DC_EXEC) TrainConsistChanged(GetVehicle(p1)->First());
+ if (flags & DC_EXEC) TrainConsistChanged(GetVehicle(p1)->First(), false);
return cost;
}
@@ -3147,7 +3218,7 @@ static void DeleteLastWagon(Vehicle *v)
InvalidateWindow(WC_COMPANY, v->owner);
} else {
/* Recalculate cached train properties */
- TrainConsistChanged(first);
+ TrainConsistChanged(first, false);
/* Update the depot window if the first vehicle is in depot -
* if v == first, then it is updated in PreDestructor() */
if (first->u.rail.track == TRACK_BIT_DEPOT) {
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 868039cbb..46866fa0e 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -279,7 +279,7 @@ void AfterLoadVehicles(bool clear_te_id)
if (v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) {
if (IsFrontEngine(v)) v->u.rail.last_speed = v->cur_speed; // update displayed train speed
- TrainConsistChanged(v);
+ TrainConsistChanged(v, false);
} else if (v->type == VEH_ROAD && IsRoadVehFront(v)) {
RoadVehUpdateCache(v);
}
@@ -1377,7 +1377,7 @@ void VehicleEnterDepot(Vehicle *v)
UpdateSignalsOnSegment(v->tile, INVALID_DIAGDIR, v->owner);
v->load_unload_time_rem = 0;
ClrBit(v->u.rail.flags, VRF_TOGGLE_REVERSE);
- TrainConsistChanged(v);
+ TrainConsistChanged(v, true);
break;
case VEH_ROAD:
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
index c232b9d68..61c941548 100644
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -64,7 +64,7 @@ void MarkSingleVehicleDirty(const Vehicle *v);
UnitID GetFreeUnitNumber(VehicleType type);
-void TrainConsistChanged(Vehicle *v);
+void TrainConsistChanged(Vehicle *v, bool same_length);
void TrainPowerChanged(Vehicle *v);
Money GetTrainRunningCost(const Vehicle *v);
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-25 20:06:01 +0000