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-rw-r--r--src/train_cmd.cpp273
1 files changed, 142 insertions, 131 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 03754b03e..12956353d 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -1,5 +1,7 @@
/* $Id$ */
+/** @file train_cmd.cpp */
+
#include "stdafx.h"
#include "openttd.h"
#include "bridge_map.h"
@@ -105,24 +107,24 @@ static void TrainCargoChanged(Vehicle* v)
for (Vehicle *u = v; u != NULL; u = u->next) {
uint32 vweight = GetCargo(u->cargo_type)->weight * u->cargo_count * FreightWagonMult(u->cargo_type) / 16;
- // Vehicle weight is not added for articulated parts.
+ /* Vehicle weight is not added for articulated parts. */
if (!IsArticulatedPart(u)) {
- // vehicle weight is the sum of the weight of the vehicle and the weight of its cargo
+ /* vehicle weight is the sum of the weight of the vehicle and the weight of its cargo */
vweight += RailVehInfo(u->engine_type)->weight;
- // powered wagons have extra weight added
+ /* powered wagons have extra weight added */
if (HASBIT(u->u.rail.flags, VRF_POWEREDWAGON))
vweight += RailVehInfo(u->u.rail.first_engine)->pow_wag_weight;
}
- // consist weight is the sum of the weight of all vehicles in the consist
+ /* consist weight is the sum of the weight of all vehicles in the consist */
weight += vweight;
- // store vehicle weight in cache
+ /* store vehicle weight in cache */
u->u.rail.cached_veh_weight = vweight;
}
- // store consist weight in cache
+ /* store consist weight in cache */
v->u.rail.cached_weight = weight;
/* Now update train power (tractive effort is dependent on weight) */
@@ -151,10 +153,10 @@ void TrainConsistChanged(Vehicle* v)
for (Vehicle *u = v; u != NULL; u = u->next) {
const RailVehicleInfo *rvi_u = RailVehInfo(u->engine_type);
- // Update the v->first cache. This is faster than having to brute force it later.
+ /* Update the v->first cache. This is faster than having to brute force it later. */
if (u->first == NULL) u->first = v;
- // update the 'first engine'
+ /* update the 'first engine' */
u->u.rail.first_engine = v == u ? INVALID_ENGINE : first_engine;
u->u.rail.railtype = rvi_u->railtype;
@@ -164,13 +166,13 @@ void TrainConsistChanged(Vehicle* v)
u->u.rail.cached_vis_effect = rvi_u->visual_effect;
} else {
if (IsTrainWagon(u) || IsArticulatedPart(u)) {
- // Wagons and articulated parts have no effect by default
+ /* Wagons and articulated parts have no effect by default */
u->u.rail.cached_vis_effect = 0x40;
} else if (rvi_u->engclass == 0) {
- // Steam is offset by -4 units
+ /* Steam is offset by -4 units */
u->u.rail.cached_vis_effect = 4;
} else {
- // Diesel fumes and sparks come from the centre
+ /* Diesel fumes and sparks come from the centre */
u->u.rail.cached_vis_effect = 8;
}
}
@@ -204,13 +206,13 @@ void TrainConsistChanged(Vehicle* v)
u->u.rail.compatible_railtypes |= (1 << RAILTYPE_RAIL);
}
- // max speed is the minimum of the speed limits of all vehicles in the consist
+ /* max speed is the minimum of the speed limits of all vehicles in the consist */
if ((rvi_u->railveh_type != RAILVEH_WAGON || _patches.wagon_speed_limits) &&
rvi_u->max_speed != 0 && !UsesWagonOverride(u))
max_speed = min(rvi_u->max_speed, max_speed);
}
- // check the vehicle length (callback)
+ /* check the vehicle length (callback) */
uint16 veh_len = CALLBACK_FAILED;
if (HASBIT(EngInfo(u->engine_type)->callbackmask, CBM_VEHICLE_LENGTH)) {
veh_len = GetVehicleCallback(CBID_TRAIN_VEHICLE_LENGTH, 0, 0, u->engine_type, u);
@@ -221,10 +223,10 @@ void TrainConsistChanged(Vehicle* v)
v->u.rail.cached_total_length += u->u.rail.cached_veh_length;
}
- // store consist weight/max speed in cache
+ /* store consist weight/max speed in cache */
v->u.rail.cached_max_speed = max_speed;
- // recalculate cached weights and power too (we do this *after* the rest, so it is known which wagons are powered and need extra weight added)
+ /* recalculate cached weights and power too (we do this *after* the rest, so it is known which wagons are powered and need extra weight added) */
TrainCargoChanged(v);
}
@@ -263,8 +265,8 @@ static bool TrainShouldStop(const Vehicle* v, TileIndex tile)
StationID sid = GetStationIndex(tile);
assert(v->type == VEH_TRAIN);
- //When does a train drive through a station
- //first we deal with the "new nonstop handling"
+ /* When does a train drive through a station
+ * first we deal with the "new nonstop handling" */
if (_patches.new_nonstop && o->flags & OF_NON_STOP && sid == o->dest) {
return false;
}
@@ -278,14 +280,14 @@ static bool TrainShouldStop(const Vehicle* v, TileIndex tile)
return true;
}
-//new acceleration
+/** new acceleration*/
static int GetTrainAcceleration(Vehicle *v, bool mode)
{
int max_speed = 2000;
int speed = v->cur_speed * 10 / 16; //[mph]
int curvecount[2] = {0, 0};
- //first find the curve speed limit
+ /*first find the curve speed limit */
int numcurve = 0;
int sum = 0;
int pos = 0;
@@ -309,7 +311,7 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
}
}
- //if we have a 90 degree turn, fix the speed limit to 60
+ /*if we have a 90 degree turn, fix the speed limit to 60 */
if (_curve_neighbours90[dir][0] == ndir ||
_curve_neighbours90[dir][1] == ndir) {
max_speed = 61;
@@ -402,7 +404,7 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
break;
}
} else {
- //"kickoff" acceleration
+ /* "kickoff" acceleration */
force = (mode == AM_ACCEL && v->u.rail.railtype != RAILTYPE_MAGLEV) ? min(max_te, power) : power;
force = max(force, (mass * 8) + resistance);
}
@@ -521,7 +523,7 @@ static void AddArticulatedParts(Vehicle **vl)
bool flip_image = HASBIT(callback, 7);
const RailVehicleInfo *rvi_artic = RailVehInfo(engine_type);
- // get common values from first engine
+ /* get common values from first engine */
u->direction = v->direction;
u->owner = v->owner;
u->tile = v->tile;
@@ -535,7 +537,7 @@ static void AddArticulatedParts(Vehicle **vl)
u->vehstatus = v->vehstatus & ~VS_STOPPED;
u->u.rail.first_engine = v->engine_type;
- // get more settings from rail vehicle info
+ /* get more settings from rail vehicle info */
u->spritenum = rvi_artic->image_index;
if (flip_image) u->spritenum++;
u->cargo_type = rvi_artic->cargo_type;
@@ -645,7 +647,7 @@ static int32 CmdBuildRailWagon(EngineID engine, TileIndex tile, uint32 flags)
return value;
}
-// Move all free vehicles in the depot to the train
+/** Move all free vehicles in the depot to the train */
static void NormalizeTrainVehInDepot(const Vehicle* u)
{
const Vehicle* v;
@@ -697,6 +699,7 @@ static void AddRearEngineToMultiheadedTrain(Vehicle* v, Vehicle* u, bool buildin
/** Build a railroad vehicle.
* @param tile tile of the depot where rail-vehicle is built
+ * @param flags type of operation
* @param p1 engine type id
* @param p2 bit 0 when set, the train will get number 0, otherwise it will get a free number
* bit 1 prevents any free cars from being added to the train
@@ -874,7 +877,7 @@ inline bool CheckTrainIsInsideDepot(const Vehicle *v)
*/
static Vehicle *UnlinkWagon(Vehicle *v, Vehicle *first)
{
- // unlinking the first vehicle of the chain?
+ /* unlinking the first vehicle of the chain? */
if (v == first) {
v = GetNextVehicle(v);
if (v == NULL) return NULL;
@@ -898,7 +901,7 @@ static Vehicle *FindGoodVehiclePos(const Vehicle *src)
FOR_ALL_VEHICLES(dst) {
if (dst->type == VEH_TRAIN && IsFreeWagon(dst) && dst->tile == tile) {
- // check so all vehicles in the line have the same engine.
+ /* check so all vehicles in the line have the same engine. */
Vehicle *v = dst;
while (v->engine_type == eng) {
@@ -950,6 +953,7 @@ static void NormaliseTrainConsist(Vehicle *v)
/** Move a rail vehicle around inside the depot.
* @param tile unused
+ * @param flags type of operation
* @param p1 various bitstuffed elements
* - p1 (bit 0 - 15) source vehicle index
* - p1 (bit 16 - 31) what wagon to put the source wagon AFTER, XXX - INVALID_VEHICLE to make a new line
@@ -966,7 +970,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (src->type != VEH_TRAIN || !CheckOwnership(src->owner)) return CMD_ERROR;
- // if nothing is selected as destination, try and find a matching vehicle to drag to.
+ /* if nothing is selected as destination, try and find a matching vehicle to drag to. */
Vehicle *dst;
if (d == INVALID_VEHICLE) {
dst = IsTrainEngine(src) ? NULL : FindGoodVehiclePos(src);
@@ -976,13 +980,13 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (dst->type != VEH_TRAIN || !CheckOwnership(dst->owner)) return CMD_ERROR;
}
- // if an articulated part is being handled, deal with its parent vehicle
+ /* if an articulated part is being handled, deal with its parent vehicle */
while (IsArticulatedPart(src)) src = GetPrevVehicleInChain(src);
if (dst != NULL) {
while (IsArticulatedPart(dst)) dst = GetPrevVehicleInChain(dst);
}
- // don't move the same vehicle..
+ /* don't move the same vehicle.. */
if (src == dst) return 0;
/* locate the head of the two chains */
@@ -991,7 +995,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (dst != NULL) {
dst_head = GetFirstVehicleInChain(dst);
if (dst_head->tile != src_head->tile) return CMD_ERROR;
- // Now deal with articulated part of destination wagon
+ /* Now deal with articulated part of destination wagon */
dst = GetLastEnginePart(dst);
} else {
dst_head = NULL;
@@ -1004,7 +1008,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
dst = GetPrevVehicleInChain(dst);
/* Now if the vehicle we want to link to is the vehicle itself, drop out */
if (dst == src) return CMD_ERROR;
- // if dst is NULL, it means that dst got a rear multiheaded engine as first engine. We can't use that
+ /* if dst is NULL, it means that dst got a rear multiheaded engine as first engine. We can't use that */
if (dst == NULL) return CMD_ERROR;
} else {
/* there are more units on this train, so we will add the wagon after the next one*/
@@ -1032,51 +1036,51 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (IsMultiheaded(src) && !IsTrainEngine(src)) return_cmd_error(STR_REAR_ENGINE_FOLLOW_FRONT_ERROR);
- // when moving all wagons, we can't have the same src_head and dst_head
+ /* when moving all wagons, we can't have the same src_head and dst_head */
if (HASBIT(p2, 0) && src_head == dst_head) return 0;
{
int max_len = _patches.mammoth_trains ? 100 : 9;
- // check if all vehicles in the source train are stopped inside a depot.
+ /* check if all vehicles in the source train are stopped inside a depot. */
int src_len = CheckTrainStoppedInDepot(src_head);
if (src_len < 0) return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED);
- // check the destination row if the source and destination aren't the same.
+ /* check the destination row if the source and destination aren't the same. */
if (src_head != dst_head) {
int dst_len = 0;
if (dst_head != NULL) {
- // check if all vehicles in the dest train are stopped.
+ /* check if all vehicles in the dest train are stopped. */
dst_len = CheckTrainStoppedInDepot(dst_head);
if (dst_len < 0) return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED);
}
- // We are moving between rows, so only count the wagons from the source
- // row that are being moved.
+ /* We are moving between rows, so only count the wagons from the source
+ * row that are being moved. */
if (HASBIT(p2, 0)) {
const Vehicle *u;
for (u = src_head; u != src && u != NULL; u = GetNextVehicle(u))
src_len--;
} else {
- // If moving only one vehicle, just count that.
+ /* If moving only one vehicle, just count that. */
src_len = 1;
}
if (src_len + dst_len > max_len) {
- // Abort if we're adding too many wagons to a train.
+ /* Abort if we're adding too many wagons to a train. */
if (dst_head != NULL && IsFrontEngine(dst_head)) return_cmd_error(STR_8819_TRAIN_TOO_LONG);
- // Abort if we're making a train on a new row.
+ /* Abort if we're making a train on a new row. */
if (dst_head == NULL && IsTrainEngine(src)) return_cmd_error(STR_8819_TRAIN_TOO_LONG);
}
} else {
- // Abort if we're creating a new train on an existing row.
+ /* Abort if we're creating a new train on an existing row. */
if (src_len > max_len && src == src_head && IsTrainEngine(GetNextVehicle(src_head)))
return_cmd_error(STR_8819_TRAIN_TOO_LONG);
}
}
- // moving a loco to a new line?, then we need to assign a unitnumber.
+ /* moving a loco to a new line?, then we need to assign a unitnumber. */
if (dst == NULL && !IsFrontEngine(src) && IsTrainEngine(src)) {
UnitID unit_num = GetFreeUnitNumber(VEH_TRAIN);
if (unit_num > _patches.max_trains)
@@ -1104,7 +1108,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
for (Vehicle *u = dst_head; u != NULL; u = u->next) u->first = NULL;
if (HASBIT(p2, 0)) {
- // unlink ALL wagons
+ /* unlink ALL wagons */
if (src != src_head) {
Vehicle *v = src_head;
while (GetNextVehicle(v) != src) v = GetNextVehicle(v);
@@ -1114,9 +1118,9 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
src_head = NULL;
}
} else {
- // if moving within the same chain, dont use dst_head as it may get invalidated
+ /* if moving within the same chain, dont use dst_head as it may get invalidated */
if (src_head == dst_head) dst_head = NULL;
- // unlink single wagon from linked list
+ /* unlink single wagon from linked list */
src_head = UnlinkWagon(src, src_head);
GetLastEnginePart(src)->next = NULL;
}
@@ -1125,10 +1129,10 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* We make a new line in the depot, so we know already that we invalidate the window data */
InvalidateWindowData(WC_VEHICLE_DEPOT, src->tile);
- // move the train to an empty line. for locomotives, we set the type to TS_Front. for wagons, 4.
+ /* move the train to an empty line. for locomotives, we set the type to TS_Front. for wagons, 4. */
if (IsTrainEngine(src)) {
if (!IsFrontEngine(src)) {
- // setting the type to 0 also involves setting up the orders field.
+ /* setting the type to 0 also involves setting up the orders field. */
SetFrontEngine(src);
assert(src->orders == NULL);
src->num_orders = 0;
@@ -1139,7 +1143,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
dst_head = src;
} else {
if (IsFrontEngine(src)) {
- // the vehicle was previously a loco. need to free the order list and delete vehicle windows etc.
+ /* the vehicle was previously a loco. need to free the order list and delete vehicle windows etc. */
DeleteWindowById(WC_VEHICLE_VIEW, src->index);
DeleteVehicleOrders(src);
}
@@ -1151,7 +1155,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
src->unitnumber = 0; // doesn't occupy a unitnumber anymore.
}
- // link in the wagon(s) in the chain.
+ /* link in the wagon(s) in the chain. */
{
Vehicle *v;
@@ -1165,7 +1169,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
src_head = src_head->next;
}
AddWagonToConsist(src->u.rail.other_multiheaded_part, src);
- // previous line set the front engine to the old front. We need to clear that
+ /* previous line set the front engine to the old front. We need to clear that */
src->u.rail.other_multiheaded_part->first = NULL;
}
@@ -1184,7 +1188,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
}
if (engine != NULL && engine->u.rail.other_multiheaded_part != NULL) {
AddWagonToConsist(engine->u.rail.other_multiheaded_part, engine);
- // previous line set the front engine to the old front. We need to clear that
+ /* previous line set the front engine to the old front. We need to clear that */
engine->u.rail.other_multiheaded_part->first = NULL;
}
}
@@ -1233,6 +1237,7 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/** Start/Stop a train.
* @param tile unused
+ * @param flags type of operation
* @param p1 train to start/stop
* @param p2 unused
*/
@@ -1269,6 +1274,7 @@ int32 CmdStartStopTrain(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/** Sell a (single) train wagon/engine.
* @param tile unused
+ * @param flags type of operation
* @param p1 the wagon/engine index
* @param p2 the selling mode
* - p2 = 0: only sell the single dragged wagon/engine (and any belonging rear-engines)
@@ -1290,7 +1296,7 @@ int32 CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
while (IsArticulatedPart(v)) v = GetPrevVehicleInChain(v);
Vehicle *first = GetFirstVehicleInChain(v);
- // make sure the vehicle is stopped in the depot
+ /* make sure the vehicle is stopped in the depot */
if (CheckTrainStoppedInDepot(first) < 0) {
return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED);
}
@@ -1596,8 +1602,8 @@ static void AdvanceWagons(Vehicle *v, bool before)
uint length = CountVehiclesInChain(v);
while (length > 2) {
- // find pairwise matching wagon
- // start<>end, start+1<>end-1, ...
+ /* find pairwise matching wagon
+ * start<>end, start+1<>end-1, ... */
Vehicle *last = first;
for (uint i = length - 3; i > 0; i--) last = last->next;
@@ -1605,7 +1611,7 @@ static void AdvanceWagons(Vehicle *v, bool before)
if (before) differential *= -1;
if (differential > 0) {
- // disconnect last car to make sure only this subset moves
+ /* disconnect last car to make sure only this subset moves */
Vehicle *tempnext = last->next;
last->next = NULL;
@@ -1643,7 +1649,7 @@ static void ReverseTrainDirection(Vehicle *v)
DisableTrainCrossing(tile);
}
- // count number of vehicles
+ /* count number of vehicles */
int r = -1;
const Vehicle *u = v;
do r++; while ( (u = u->next) != NULL );
@@ -1667,6 +1673,7 @@ static void ReverseTrainDirection(Vehicle *v)
/** Reverse train.
* @param tile unused
+ * @param flags type of operation
* @param p1 train to reverse
* @param p2 if true, reverse a unit in a train (needs to be in a depot)
*/
@@ -1679,14 +1686,14 @@ int32 CmdReverseTrainDirection(TileIndex tile, uint32 flags, uint32 p1, uint32 p
if (v->type != VEH_TRAIN || !CheckOwnership(v->owner)) return CMD_ERROR;
if (p2) {
- // turn a single unit around
+ /* turn a single unit around */
if (IsMultiheaded(v) || HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_ARTIC_ENGINE)) {
return_cmd_error(STR_ONLY_TURN_SINGLE_UNIT);
}
Vehicle *front = GetFirstVehicleInChain(v);
- // make sure the vehicle is stopped in the depot
+ /* make sure the vehicle is stopped in the depot */
if (CheckTrainStoppedInDepot(front) < 0) {
return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED);
}
@@ -1697,7 +1704,7 @@ int32 CmdReverseTrainDirection(TileIndex tile, uint32 flags, uint32 p1, uint32 p
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
}
} else {
- //turn the whole train around
+ /*turn the whole train around */
if (v->u.rail.crash_anim_pos != 0 || v->breakdown_ctr != 0) return CMD_ERROR;
if (flags & DC_EXEC) {
@@ -1715,6 +1722,7 @@ int32 CmdReverseTrainDirection(TileIndex tile, uint32 flags, uint32 p1, uint32 p
/** Force a train through a red signal
* @param tile unused
+ * @param flags type of operation
* @param p1 train to ignore the red signal
* @param p2 unused
*/
@@ -1733,6 +1741,7 @@ int32 CmdForceTrainProceed(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/** Refits a train to the specified cargo type.
* @param tile unused
+ * @param flags type of operation
* @param p1 vehicle ID of the train to refit
* param p2 various bitstuffed elements
* - p2 = (bit 0-7) - the new cargo type to refit to
@@ -1854,8 +1863,8 @@ static bool NtpCallbFindDepot(TileIndex tile, TrainFindDepotData *tfdd, int trac
return false;
}
-// returns the tile of a depot to goto to. The given vehicle must not be
-// crashed!
+/** returns the tile of a depot to goto to. The given vehicle must not be
+ * crashed! */
static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
{
assert(!(v->vehstatus & VS_CRASHED));
@@ -1893,7 +1902,7 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
if (NPFGetFlag(&ftd.node, NPF_FLAG_REVERSE)) tfdd.reverse = true;
}
} else {
- // search in the forward direction first.
+ /* search in the forward direction first. */
DiagDirection i = DirToDiagDir(v->direction);
if (!(v->direction & 1) && v->u.rail.track != _state_dir_table[i]) {
i = ChangeDiagDir(i, DIAGDIRDIFF_90LEFT);
@@ -1901,7 +1910,7 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
NewTrainPathfind(tile, 0, v->u.rail.compatible_railtypes, i, (NTPEnumProc*)NtpCallbFindDepot, &tfdd);
if (tfdd.best_length == (uint)-1){
tfdd.reverse = true;
- // search in backwards direction
+ /* search in backwards direction */
i = ReverseDiagDir(DirToDiagDir(v->direction));
if (!(v->direction & 1) && v->u.rail.track != _state_dir_table[i]) {
i = ChangeDiagDir(i, DIAGDIRDIFF_90LEFT);
@@ -1915,6 +1924,7 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
/** Send a train to a depot
* @param tile unused
+ * @param flags type of operation
* @param p1 train to send to the depot
* @param p2 various bitmasked elements
* - p2 bit 0-3 - DEPOT_ flags (see vehicle.h)
@@ -2010,7 +2020,7 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
byte effect_type = GB(v->u.rail.cached_vis_effect, 4, 2);
bool disable_effect = HASBIT(v->u.rail.cached_vis_effect, 6);
- // no smoke?
+ /* no smoke? */
if ((rvi->railveh_type == RAILVEH_WAGON && effect_type == 0) ||
disable_effect ||
rvi->railtype > RAILTYPE_ELECTRIC ||
@@ -2018,14 +2028,14 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
continue;
}
- // No smoke in depots or tunnels
+ /* No smoke in depots or tunnels */
if (IsTileDepotType(v->tile, TRANSPORT_RAIL) || IsTunnelTile(v->tile)) continue;
- // No sparks for electric vehicles on nonelectrified tracks
+ /* No sparks for electric vehicles on nonelectrified tracks */
if (!HasPowerOnRail(v->u.rail.railtype, GetTileRailType(v->tile))) continue;
if (effect_type == 0) {
- // Use default effect type for engine class.
+ /* Use default effect type for engine class. */
effect_type = rvi->engclass;
} else {
effect_type--;
@@ -2041,7 +2051,7 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
switch (effect_type) {
case 0:
- // steam smoke.
+ /* steam smoke. */
if (GB(v->tick_counter, 0, 4) == 0) {
CreateEffectVehicleRel(v, x, y, 10, EV_STEAM_SMOKE);
sound = true;
@@ -2049,7 +2059,7 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
break;
case 1:
- // diesel smoke
+ /* diesel smoke */
if (u->cur_speed <= 40 && CHANCE16(15, 128)) {
CreateEffectVehicleRel(v, 0, 0, 10, EV_DIESEL_SMOKE);
sound = true;
@@ -2057,7 +2067,7 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
break;
case 2:
- // blue spark
+ /* blue spark */
if (GB(v->tick_counter, 0, 2) == 0 && CHANCE16(1, 45)) {
CreateEffectVehicleRel(v, 0, 0, 10, EV_ELECTRIC_SPARK);
sound = true;
@@ -2094,12 +2104,12 @@ static void TrainPlayLeaveStationSound(const Vehicle* v)
static bool CheckTrainStayInDepot(Vehicle *v)
{
- // bail out if not all wagons are in the same depot or not in a depot at all
+ /* bail out if not all wagons are in the same depot or not in a depot at all */
for (const Vehicle *u = v; u != NULL; u = u->next) {
if (u->u.rail.track != TRACK_BIT_DEPOT || u->tile != v->tile) return false;
}
- // if the train got no power, then keep it in the depot
+ /* if the train got no power, then keep it in the depot */
if (v->u.rail.cached_power == 0) {
v->vehstatus |= VS_STOPPED;
InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
@@ -2151,10 +2161,10 @@ struct TrainTrackFollowerData {
static bool NtpCallbFindStation(TileIndex tile, TrainTrackFollowerData *ttfd, Trackdir track, uint length)
{
- // heading for nowhere?
+ /* heading for nowhere? */
if (ttfd->dest_coords == 0) return false;
- // did we reach the final station?
+ /* did we reach the final station? */
if ((ttfd->station_index == INVALID_STATION && tile == ttfd->dest_coords) || (
IsTileType(tile, MP_STATION) &&
IsRailwayStation(tile) &&
@@ -2163,12 +2173,13 @@ static bool NtpCallbFindStation(TileIndex tile, TrainTrackFollowerData *ttfd, Tr
/* We do not check for dest_coords if we have a station_index,
* because in that case the dest_coords are just an
* approximation of where the station is */
- // found station
+
+ /* found station */
ttfd->best_track = track;
ttfd->best_bird_dist = 0;
return true;
} else {
- // didn't find station, keep track of the best path so far.
+ /* didn't find station, keep track of the best path so far. */
uint dist = DistanceManhattan(tile, ttfd->dest_coords);
if (dist < ttfd->best_bird_dist) {
ttfd->best_bird_dist = dist;
@@ -2205,12 +2216,12 @@ static const uint32 _reachable_tracks[4] = {
};
static const byte _search_directions[6][4] = {
- { 0, 9, 2, 9 }, // track 1
- { 9, 1, 9, 3 }, // track 2
- { 9, 0, 3, 9 }, // track upper
- { 1, 9, 9, 2 }, // track lower
- { 3, 2, 9, 9 }, // track left
- { 9, 9, 1, 0 }, // track right
+ { 0, 9, 2, 9 }, ///< track 1
+ { 9, 1, 9, 3 }, ///< track 2
+ { 9, 0, 3, 9 }, ///< track upper
+ { 1, 9, 9, 2 }, ///< track lower
+ { 3, 2, 9, 9 }, ///< track left
+ { 9, 9, 1, 0 }, ///< track right
};
static const byte _pick_track_table[6] = {1, 3, 2, 2, 0, 0};
@@ -2219,7 +2230,7 @@ static const byte _pick_track_table[6] = {1, 3, 2, 2, 0, 0};
static Track ChooseTrainTrack(Vehicle* v, TileIndex tile, DiagDirection enterdir, TrackBits tracks)
{
Track best_track;
- // pathfinders are able to tell that route was only 'guessed'
+ /* pathfinders are able to tell that route was only 'guessed' */
bool path_not_found = false;
#ifdef PF_BENCHMARK
@@ -2250,9 +2261,9 @@ static Track ChooseTrainTrack(Vehicle* v, TileIndex tile, DiagDirection enterdir
NPFFoundTargetData ftd = NPFRouteToStationOrTile(tile - TileOffsByDiagDir(enterdir), trackdir, &fstd, TRANSPORT_RAIL, v->owner, v->u.rail.compatible_railtypes);
if (ftd.best_trackdir == 0xff) {
- /* We are already at our target. Just do something */
- //TODO: maybe display error?
- //TODO: go straight ahead if possible?
+ /* We are already at our target. Just do something
+ * @todo maybe display error?
+ * @todo: go straight ahead if possible? */
best_track = FindFirstTrack(tracks);
} else {
/* If ftd.best_bird_dist is 0, we found our target and ftd.best_trackdir contains
@@ -2280,11 +2291,11 @@ static Track ChooseTrainTrack(Vehicle* v, TileIndex tile, DiagDirection enterdir
NewTrainPathfind(tile - TileOffsByDiagDir(enterdir), v->dest_tile,
v->u.rail.compatible_railtypes, enterdir, (NTPEnumProc*)NtpCallbFindStation, &fd);
- // check whether the path was found or only 'guessed'
+ /* check whether the path was found or only 'guessed' */
if (fd.best_bird_dist != 0) path_not_found = true;
if (fd.best_track == 0xff) {
- // blaha
+ /* blaha */
best_track = FindFirstTrack(tracks);
} else {
best_track = TrackdirToTrack(fd.best_track);
@@ -2293,13 +2304,13 @@ static Track ChooseTrainTrack(Vehicle* v, TileIndex tile, DiagDirection enterdir
int time = NpfEndInterval(perf);
DEBUG(yapf, 4, "[NTPT] %d us - %d rounds - %d open - %d closed -- ", time, 0, 0, 0);
}
- // handle "path not found" state
+ /* handle "path not found" state */
if (path_not_found) {
- // PF didn't find the route
+ /* PF didn't find the route */
if (!HASBIT(v->u.rail.flags, VRF_NO_PATH_TO_DESTINATION)) {
- // it is first time the problem occurred, set the "path not found" flag
+ /* it is first time the problem occurred, set the "path not found" flag */
SETBIT(v->u.rail.flags, VRF_NO_PATH_TO_DESTINATION);
- // and notify user about the event
+ /* and notify user about the event */
if (_patches.lost_train_warn && v->owner == _local_player) {
SetDParam(0, v->unitnumber);
AddNewsItem(
@@ -2310,11 +2321,11 @@ static Track ChooseTrainTrack(Vehicle* v, TileIndex tile, DiagDirection enterdir
}
}
} else {
- // route found, is the train marked with "path not found" flag?
+ /* route found, is the train marked with "path not found" flag? */
if (HASBIT(v->u.rail.flags, VRF_NO_PATH_TO_DESTINATION)) {
- // clear the flag as the PF's problem was solved
+ /* clear the flag as the PF's problem was solved */
CLRBIT(v->u.rail.flags, VRF_NO_PATH_TO_DESTINATION);
- // can we also delete the "News" item somehow?
+ /* can we also delete the "News" item somehow? */
}
}
@@ -2440,14 +2451,14 @@ static bool ProcessTrainOrder(Vehicle *v)
default: break;
}
- // check if we've reached the waypoint?
+ /* check if we've reached the waypoint? */
bool at_waypoint = false;
if (v->current_order.type == OT_GOTO_WAYPOINT && v->tile == v->dest_tile) {
v->cur_order_index++;
at_waypoint = true;
}
- // check if we've reached a non-stop station while TTDPatch nonstop is enabled..
+ /* check if we've reached a non-stop station while TTDPatch nonstop is enabled.. */
if (_patches.new_nonstop &&
v->current_order.flags & OF_NON_STOP &&
IsTileType(v->tile, MP_STATION) &&
@@ -2455,25 +2466,25 @@ static bool ProcessTrainOrder(Vehicle *v)
v->cur_order_index++;
}
- // Get the current order
+ /* Get the current order */
if (v->cur_order_index >= v->num_orders) v->cur_order_index = 0;
const Order *order = GetVehicleOrder(v, v->cur_order_index);
- // If no order, do nothing.
+ /* If no order, do nothing. */
if (order == NULL) {
v->current_order.Free();
v->dest_tile = 0;
return false;
}
- // If it is unchanged, keep it.
+ /* If it is unchanged, keep it. */
if (order->type == v->current_order.type &&
order->flags == v->current_order.flags &&
order->dest == v->current_order.dest)
return false;
- // Otherwise set it, and determine the destination tile.
+ /* Otherwise set it, and determine the destination tile. */
v->current_order = *order;
v->dest_tile = 0;
@@ -2516,7 +2527,7 @@ static void HandleTrainLoading(Vehicle *v, bool mode)
case OT_LOADING: {
if (mode) return;
- // don't mark the train as lost if we're loading on the final station.
+ /* don't mark the train as lost if we're loading on the final station. */
if (v->current_order.flags & OF_NON_STOP) {
v->u.rail.days_since_order_progr = 0;
}
@@ -2527,13 +2538,13 @@ static void HandleTrainLoading(Vehicle *v, bool mode)
v->current_order.flags & OF_FULL_LOAD ||
(_patches.gradual_loading && !HASBIT(v->vehicle_flags, VF_LOADING_FINISHED))
)) {
- v->u.rail.days_since_order_progr = 0; /* Prevent a train lost message for full loading trains */
+ v->u.rail.days_since_order_progr = 0; // Prevent a train lost message for full loading trains
SET_EXPENSES_TYPE(EXPENSES_TRAIN_INC);
if (LoadUnloadVehicle(v, false)) {
InvalidateWindow(WC_TRAINS_LIST, v->owner);
MarkTrainDirty(v);
- // need to update acceleration and cached values since the goods on the train changed.
+ /* need to update acceleration and cached values since the goods on the train changed. */
TrainCargoChanged(v);
UpdateTrainAcceleration(v);
}
@@ -2545,7 +2556,7 @@ static void HandleTrainLoading(Vehicle *v, bool mode)
Order b = v->current_order;
v->LeaveStation();
- // If this was not the final order, don't remove it from the list.
+ /* If this was not the final order, don't remove it from the list. */
if (!(b.flags & OF_NON_STOP)) return;
break;
}
@@ -2614,16 +2625,16 @@ static void TrainEnterStation(Vehicle *v, StationID station)
);
}
- // Did we reach the final destination?
+ /* Did we reach the final destination? */
if (v->current_order.type == OT_GOTO_STATION &&
v->current_order.dest == station) {
- // Yeah, keep the load/unload flags
- // Non Stop now means if the order should be increased.
+ /* Yeah, keep the load/unload flags
+ * Non Stop now means if the order should be increased. */
v->BeginLoading();
v->current_order.flags &= OF_FULL_LOAD | OF_UNLOAD | OF_TRANSFER;
v->current_order.flags |= OF_NON_STOP;
} else {
- // No, just do a simple load
+ /* No, just do a simple load */
v->BeginLoading();
v->current_order.flags = 0;
}
@@ -2641,7 +2652,7 @@ static void TrainEnterStation(Vehicle *v, StationID station)
static byte AfterSetTrainPos(Vehicle *v, bool new_tile)
{
- // need this hint so it returns the right z coordinate on bridges.
+ /* need this hint so it returns the right z coordinate on bridges. */
byte new_z = GetSlopeZ(v->x_pos, v->y_pos);
byte old_z = v->z_pos;
@@ -2654,7 +2665,7 @@ static byte AfterSetTrainPos(Vehicle *v, bool new_tile)
if (new_z != old_z) {
TileIndex tile = TileVirtXY(v->x_pos, v->y_pos);
- // XXX workaround, whole UP/DOWN detection needs overhaul
+ /* XXX workaround, whole UP/DOWN detection needs overhaul */
if (!IsTunnelTile(tile)) {
SETBIT(v->u.rail.flags, (new_z > old_z) ? VRF_GOINGUP : VRF_GOINGDOWN);
}
@@ -2727,13 +2738,13 @@ struct RailtypeSlowdownParams {
static const RailtypeSlowdownParams _railtype_slowdown[] = {
// normal accel
- {256 / 4, 256 / 2, 256 / 4, 2}, // normal
- {256 / 4, 256 / 2, 256 / 4, 2}, // electrified
- {256 / 4, 256 / 2, 256 / 4, 2}, // monorail
- {0, 256 / 2, 256 / 4, 2}, // maglev
+ {256 / 4, 256 / 2, 256 / 4, 2}, ///< normal
+ {256 / 4, 256 / 2, 256 / 4, 2}, ///< electrified
+ {256 / 4, 256 / 2, 256 / 4, 2}, ///< monorail
+ {0, 256 / 2, 256 / 4, 2}, ///< maglev
};
-/* Modify the speed of the vehicle due to a turn */
+/** Modify the speed of the vehicle due to a turn */
static void AffectSpeedByDirChange(Vehicle* v, Direction new_dir)
{
if (_patches.realistic_acceleration) return;
@@ -2745,7 +2756,7 @@ static void AffectSpeedByDirChange(Vehicle* v, Direction new_dir)
v->cur_speed -= (diff == DIRDIFF_45RIGHT || diff == DIRDIFF_45LEFT ? rsp->small_turn : rsp->large_turn) * v->cur_speed >> 8;
}
-/* Modify the speed of the vehicle due to a change in altitude */
+/** Modify the speed of the vehicle due to a change in altitude */
static void AffectSpeedByZChange(Vehicle *v, byte old_z)
{
if (old_z == v->z_pos || _patches.realistic_acceleration) return;
@@ -2820,7 +2831,7 @@ static uint CountPassengersInTrain(const Vehicle* v)
return num;
}
-/*
+/**
* Checks whether the specified train has a collision with another vehicle. If
* so, destroys this vehicle, and the other vehicle if its subtype has TS_Front.
* Reports the incident in a flashy news item, modifies station ratings and
@@ -2848,10 +2859,10 @@ static void CheckTrainCollision(Vehicle *v)
(v->u.rail.track == TRACK_BIT_WORMHOLE && (v->direction & 2) != (realcoll->direction & 2)))
return;
- //two drivers + passangers killed in train v
+ /* two drivers + passangers killed in train v */
uint num = 2 + CountPassengersInTrain(v);
if (!(coll->vehstatus & VS_CRASHED))
- //two drivers + passangers killed in train coll (if it was not crashed already)
+ /* two drivers + passangers killed in train coll (if it was not crashed already) */
num += 2 + CountPassengersInTrain(coll);
SetVehicleCrashed(v);
@@ -2959,8 +2970,8 @@ static void TrainController(Vehicle *v, bool update_image)
/* Check if it's a red signal and that force proceed is not clicked. */
if ((tracks >> 16) & chosen_track && v->u.rail.force_proceed == 0) {
- // In front of a red signal
- /* find the first set bit in ts. need to do it in 2 steps, since
+ /* In front of a red signal
+ * find the first set bit in ts. need to do it in 2 steps, since
* FIND_FIRST_BIT only handles 6 bits at a time. */
Trackdir i = FindFirstTrackdir((TrackdirBits)(uint16)ts);
@@ -3300,7 +3311,7 @@ static bool TrainCheckIfLineEnds(Vehicle *v)
return false;
}
if ((ts &= (ts >> 16)) == 0) {
- // make a rail/road crossing red
+ /* make a rail/road crossing red */
if (IsLevelCrossingTile(tile)) {
if (!IsCrossingBarred(tile)) {
BarCrossing(tile);
@@ -3316,7 +3327,7 @@ static bool TrainCheckIfLineEnds(Vehicle *v)
return false;
}
- // slow down
+ /* slow down */
v->vehstatus |= VS_TRAIN_SLOWING;
uint16 break_speed = _breakdown_speeds[x & 0xF];
if (!(v->direction & 1)) break_speed >>= 1;
@@ -3369,7 +3380,7 @@ static void TrainLocoHandler(Vehicle *v, bool mode)
int j = UpdateTrainSpeed(v);
if (j == 0) {
- // if the vehicle has speed 0, update the last_speed field.
+ /* if the vehicle has speed 0, update the last_speed field. */
if (v->cur_speed != 0) return;
} else {
TrainCheckIfLineEnds(v);
@@ -3396,11 +3407,11 @@ void Train_Tick(Vehicle *v)
if (IsFrontEngine(v)) {
TrainLocoHandler(v, false);
- // make sure vehicle wasn't deleted.
+ /* make sure vehicle wasn't deleted. */
if (v->type == VEH_TRAIN && IsFrontEngine(v))
TrainLocoHandler(v, true);
} else if (IsFreeWagon(v) && HASBITS(v->vehstatus, VS_CRASHED)) {
- // Delete flooded standalone wagon
+ /* Delete flooded standalone wagon */
if (++v->u.rail.crash_anim_pos >= 4400)
DeleteVehicle(v);
}
@@ -3415,8 +3426,8 @@ static void CheckIfTrainNeedsService(Vehicle *v)
if (v->vehstatus & VS_STOPPED) return;
if (_patches.gotodepot && VehicleHasDepotOrders(v)) return;
- // Don't interfere with a depot visit scheduled by the user, or a
- // depot visit by the order list.
+ /* Don't interfere with a depot visit scheduled by the user, or a
+ * depot visit by the order list. */
if (v->current_order.type == OT_GOTO_DEPOT &&
(v->current_order.flags & (OF_HALT_IN_DEPOT | OF_PART_OF_ORDERS)) != 0)
return;
@@ -3507,7 +3518,7 @@ void TrainsYearlyLoop()
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_TRAIN && IsFrontEngine(v)) {
- // show warning if train is not generating enough income last 2 years (corresponds to a red icon in the vehicle list)
+ /* show warning if train is not generating enough income last 2 years (corresponds to a red icon in the vehicle list) */
if (_patches.train_income_warn && v->owner == _local_player && v->age >= 730 && v->profit_this_year < 0) {
SetDParam(1, v->profit_this_year);
SetDParam(0, v->unitnumber);
@@ -3579,7 +3590,7 @@ void ConnectMultiheadedTrains()
}
}
-/*
+/**
* Converts all trains to the new subtype format introduced in savegame 16.2
* It also links multiheaded engines or make them forget they are multiheaded if no suitable partner is found
*/