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authorrubidium <rubidium@openttd.org>2007-08-30 13:03:56 +0000
committerrubidium <rubidium@openttd.org>2007-08-30 13:03:56 +0000
commitcb7eaff3534c1d18c9c8bc06be04ceb437d97765 (patch)
tree141633b357757cb790c904dc033f8479d58ba5e5
parentac5fde61fb03059daee4b505dcaad84f21b93857 (diff)
downloadopenttd-cb7eaff3534c1d18c9c8bc06be04ceb437d97765.tar.xz
(svn r11003) -Codechange: replace Vehicle->next to Vehicle->Next() and Vehicle->SetNext() so we can trap instances that change a next pointer and (in the future) update the first/previous pointers based on that.
-rw-r--r--src/ai/default/default.cpp6
-rw-r--r--src/aircraft_cmd.cpp32
-rw-r--r--src/aircraft_gui.cpp4
-rw-r--r--src/articulated_vehicles.cpp8
-rw-r--r--src/autoreplace_cmd.cpp12
-rw-r--r--src/depot_gui.cpp4
-rw-r--r--src/disaster_cmd.cpp4
-rw-r--r--src/economy.cpp8
-rw-r--r--src/group_cmd.cpp4
-rw-r--r--src/newgrf_engine.cpp24
-rw-r--r--src/rail_cmd.cpp4
-rw-r--r--src/road_cmd.cpp2
-rw-r--r--src/roadveh.h2
-rw-r--r--src/roadveh_cmd.cpp26
-rw-r--r--src/roadveh_gui.cpp8
-rw-r--r--src/train.h6
-rw-r--r--src/train_cmd.cpp80
-rw-r--r--src/train_gui.cpp10
-rw-r--r--src/vehicle.cpp26
-rw-r--r--src/vehicle.h25
-rw-r--r--src/vehicle_gui.cpp16
21 files changed, 164 insertions, 147 deletions
diff --git a/src/ai/default/default.cpp b/src/ai/default/default.cpp
index b28e2a2b8..87306b6bc 100644
--- a/src/ai/default/default.cpp
+++ b/src/ai/default/default.cpp
@@ -261,8 +261,8 @@ static EngineID AiChooseTrainToReplaceWith(const Player* p, const Vehicle* v)
const Vehicle* u = v;
int num = 0;
- while (++num, u->next != NULL) {
- u = u->next;
+ while (++num, u->Next() != NULL) {
+ u = u->Next();
}
// XXX: check if a wagon
@@ -2496,7 +2496,7 @@ handle_nocash:
// Sell a vehicle if the train is double headed.
v = GetVehicle(loco_id);
- if (v->next != NULL) {
+ if (v->Next() != NULL) {
i = p->ai.wagon_list[p->ai.num_wagons * 2 - 2];
p->ai.wagon_list[p->ai.num_wagons * 2 - 2] = INVALID_VEHICLE;
DoCommand(tile, i, 0, DC_EXEC, CMD_SELL_RAIL_WAGON);
diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index 672d52176..24c2a6110 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -171,7 +171,7 @@ SpriteID GetRotorImage(const Vehicle *v)
{
assert(v->subtype == AIR_HELICOPTER);
- const Vehicle *w = v->next->next;
+ const Vehicle *w = v->Next()->Next();
if (is_custom_sprite(v->spritenum)) {
SpriteID spritenum = GetCustomRotorSprite(v, false);
if (spritenum != 0) return spritenum;
@@ -678,7 +678,7 @@ CommandCost CmdRefitAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (flags & DC_EXEC) {
v->cargo_cap = pass;
- Vehicle *u = v->next;
+ Vehicle *u = v->Next();
uint mail = IsCargoInClass(new_cid, CC_PASSENGERS) ? avi->mail_capacity : 0;
u->cargo_cap = mail;
v->cargo.Truncate(v->cargo_type == new_cid ? pass : 0);
@@ -771,13 +771,13 @@ static void AgeAircraftCargo(Vehicle *v)
do {
v->cargo.AgeCargo();
- v = v->next;
+ v = v->Next();
} while (v != NULL);
}
static void HelicopterTickHandler(Vehicle *v)
{
- Vehicle *u = v->next->next;
+ Vehicle *u = v->Next()->Next();
if (u->vehstatus & VS_HIDDEN) return;
@@ -829,13 +829,13 @@ static void SetAircraftPosition(Vehicle *v, int x, int y, int z)
v->z_pos = z;
v->cur_image = v->GetImage(v->direction);
- if (v->subtype == AIR_HELICOPTER) v->next->next->cur_image = GetRotorImage(v);
+ if (v->subtype == AIR_HELICOPTER) v->Next()->Next()->cur_image = GetRotorImage(v);
BeginVehicleMove(v);
VehiclePositionChanged(v);
EndVehicleMove(v);
- Vehicle *u = v->next;
+ Vehicle *u = v->Next();
int safe_x = clamp(x, 0, MapMaxX() * TILE_SIZE);
int safe_y = clamp(y - 1, 0, MapMaxY() * TILE_SIZE);
@@ -850,7 +850,7 @@ static void SetAircraftPosition(Vehicle *v, int x, int y, int z)
VehiclePositionChanged(u);
EndVehicleMove(u);
- u = u->next;
+ u = u->Next();
if (u != NULL) {
u->x_pos = x;
u->y_pos = y;
@@ -870,9 +870,9 @@ void HandleAircraftEnterHangar(Vehicle *v)
v->subspeed = 0;
v->progress = 0;
- Vehicle *u = v->next;
+ Vehicle *u = v->Next();
u->vehstatus |= VS_HIDDEN;
- u = u->next;
+ u = u->Next();
if (u != NULL) {
u->vehstatus |= VS_HIDDEN;
u->cur_speed = 0;
@@ -1057,7 +1057,7 @@ static bool AircraftController(Vehicle *v)
/* Helicopter raise */
if (amd->flag & AMED_HELI_RAISE) {
- Vehicle *u = v->next->next;
+ Vehicle *u = v->Next()->Next();
/* Make sure the rotors don't rotate too fast */
if (u->cur_speed > 32) {
@@ -1101,7 +1101,7 @@ static bool AircraftController(Vehicle *v)
int z = GetSlopeZ(x, y) + 1 + afc->delta_z;
if (z == v->z_pos) {
- Vehicle *u = v->next->next;
+ Vehicle *u = v->Next()->Next();
/* Increase speed of rotors. When speed is 80, we've landed. */
if (u->cur_speed >= 80) return true;
@@ -1411,7 +1411,7 @@ static void ProcessAircraftOrder(Vehicle *v)
void Aircraft::MarkDirty()
{
this->cur_image = this->GetImage(this->direction);
- if (this->subtype == AIR_HELICOPTER) this->next->next->cur_image = GetRotorImage(this);
+ if (this->subtype == AIR_HELICOPTER) this->Next()->Next()->cur_image = GetRotorImage(this);
MarkAllViewportsDirty(this->left_coord, this->top_coord, this->right_coord + 1, this->bottom_coord + 1);
}
@@ -1429,7 +1429,7 @@ static void CrashAirplane(Vehicle *v)
SetDParam(0, amt);
v->cargo.Truncate(0);
- v->next->cargo.Truncate(0);
+ v->Next()->cargo.Truncate(0);
const Station *st = GetStation(v->u.air.targetairport);
StringID newsitem;
if (st->airport_tile == 0) {
@@ -1527,11 +1527,11 @@ static void AircraftLeaveHangar(Vehicle *v)
v->direction = DIR_SE;
v->vehstatus &= ~VS_HIDDEN;
{
- Vehicle *u = v->next;
+ Vehicle *u = v->Next();
u->vehstatus &= ~VS_HIDDEN;
/* Rotor blades */
- u = u->next;
+ u = u->Next();
if (u != NULL) {
u->vehstatus &= ~VS_HIDDEN;
u->cur_speed = 80;
@@ -2155,7 +2155,7 @@ void UpdateOldAircraft()
v_oldstyle->tile = 0; // aircraft in air is tile=0
/* correct speed of helicopter-rotors */
- if (v_oldstyle->subtype == AIR_HELICOPTER) v_oldstyle->next->next->cur_speed = 32;
+ if (v_oldstyle->subtype == AIR_HELICOPTER) v_oldstyle->Next()->Next()->cur_speed = 32;
/* set new position x,y,z */
SetAircraftPosition(v_oldstyle, gp.x, gp.y, GetAircraftFlyingAltitude(v_oldstyle));
diff --git a/src/aircraft_gui.cpp b/src/aircraft_gui.cpp
index 28813eb12..b161c84a7 100644
--- a/src/aircraft_gui.cpp
+++ b/src/aircraft_gui.cpp
@@ -133,7 +133,7 @@ static void AircraftDetailsWndProc(Window *w, WindowEvent *e)
SetDParam(0, v->cargo_type);
SetDParam(1, v->cargo_cap);
- u = v->next;
+ u = v->Next();
SetDParam(2, u->cargo_type);
SetDParam(3, u->cargo_cap);
DrawString(60, y, (u->cargo_cap != 0) ? STR_A019_CAPACITY : STR_A01A_CAPACITY, 0);
@@ -151,7 +151,7 @@ static void AircraftDetailsWndProc(Window *w, WindowEvent *e)
y += 10;
}
- } while ( (v=v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
}
} break;
diff --git a/src/articulated_vehicles.cpp b/src/articulated_vehicles.cpp
index 2fad99769..6fdfb1339 100644
--- a/src/articulated_vehicles.cpp
+++ b/src/articulated_vehicles.cpp
@@ -41,11 +41,11 @@ void AddArticulatedParts(Vehicle **vl, VehicleType type)
/* Attempt to use pre-allocated vehicles until they run out. This can happen
* if the callback returns different values depending on the cargo type. */
- u->next = vl[i];
- if (u->next == NULL) u->next = new InvalidVehicle();
- if (u->next == NULL) return;
+ u->SetNext(vl[i]);
+ if (u->Next() == NULL) u->SetNext(new InvalidVehicle());
+ if (u->Next() == NULL) return;
- u = u->next;
+ u = u->Next();
EngineID engine_type = GetFirstEngineOfType(type) + GB(callback, 0, 7);
bool flip_image = HASBIT(callback, 7);
diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp
index 0b9552d62..606a60126 100644
--- a/src/autoreplace_cmd.cpp
+++ b/src/autoreplace_cmd.cpp
@@ -42,9 +42,9 @@ static void MoveVehicleCargo(Vehicle *dest, Vehicle *source)
dest->day_counter = source->day_counter;
dest->tick_counter = source->tick_counter;
- } while (source->cargo.Count() > 0 && (dest = dest->next) != NULL);
+ } while (source->cargo.Count() > 0 && (dest = dest->Next()) != NULL);
dest = v;
- } while ((source = source->next) != NULL);
+ } while ((source = source->Next()) != NULL);
/*
* The of the train will be incorrect at this moment. This is due
@@ -110,7 +110,7 @@ static CargoID GetNewCargoTypeForReplace(Vehicle *v, EngineID engine_type)
/* Now we found a cargo type being carried on the train and we will see if it is possible to carry to this one */
if (v->cargo_type == new_cargo_type) return CT_NO_REFIT;
if (CanRefitTo(engine_type, v->cargo_type)) return v->cargo_type;
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
return CT_NO_REFIT; // We failed to find a cargo type on the old vehicle and we will not refit the new one
}
@@ -189,7 +189,7 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, Money total_cost)
}
}
- if (new_v->type == VEH_TRAIN && HASBIT(old_v->u.rail.flags, VRF_REVERSE_DIRECTION) && !IsMultiheaded(new_v) && !(new_v->next != NULL && IsArticulatedPart(new_v->next))) {
+ if (new_v->type == VEH_TRAIN && HASBIT(old_v->u.rail.flags, VRF_REVERSE_DIRECTION) && !IsMultiheaded(new_v) && !(new_v->Next() != NULL && IsArticulatedPart(new_v->Next()))) {
// we are autorenewing to a single engine, so we will turn it as the old one was turned as well
SETBIT(new_v->u.rail.flags, VRF_REVERSE_DIRECTION);
}
@@ -247,12 +247,12 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, Money total_cost)
}
} else { // flags & DC_EXEC not set
CommandCost tmp_move;
- if (old_v->type == VEH_TRAIN && IsFrontEngine(old_v) && old_v->next != NULL) {
+ if (old_v->type == VEH_TRAIN && IsFrontEngine(old_v) && old_v->Next() != NULL) {
/* Verify that the wagons can be placed on the engine in question.
* This is done by building an engine, test if the wagons can be added and then sell the test engine. */
DoCommand(old_v->tile, new_engine_type, 3, DC_EXEC, GetCmdBuildVeh(old_v));
Vehicle *temp = GetVehicle(_new_vehicle_id);
- tmp_move = DoCommand(0, (temp->index << 16) | old_v->next->index, 1, 0, CMD_MOVE_RAIL_VEHICLE);
+ tmp_move = DoCommand(0, (temp->index << 16) | old_v->Next()->index, 1, 0, CMD_MOVE_RAIL_VEHICLE);
DoCommand(0, temp->index, 0, DC_EXEC, GetCmdSellVeh(old_v));
}
diff --git a/src/depot_gui.cpp b/src/depot_gui.cpp
index 7f47d54d0..0ca889b78 100644
--- a/src/depot_gui.cpp
+++ b/src/depot_gui.cpp
@@ -279,7 +279,7 @@ static void DrawDepotWindow(Window *w)
/*Draw the train counter */
i = 0;
u = v;
- do i++; while ( (u=u->next) != NULL); // Determine length of train
+ do i++; while ((u = u->Next()) != NULL); // Determine length of train
SetDParam(0, i); // Set the counter
DrawStringRightAligned(w->widget[DEPOT_WIDGET_MATRIX].right - 1, y + 4, STR_TINY_BLACK, 0); // Draw the counter
}
@@ -356,7 +356,7 @@ static int GetVehicleFromDepotWndPt(const Window *w, int x, int y, Vehicle **veh
x += skip;
/* find the vehicle in this row that was clicked */
- while (v != NULL && (x -= v->u.rail.cached_veh_length) >= 0) v = v->next;
+ while (v != NULL && (x -= v->u.rail.cached_veh_length) >= 0) v = v->Next();
/* if an articulated part was selected, find its parent */
while (v != NULL && IsArticulatedPart(v)) v = GetPrevVehicleInChain(v);
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index c274513a7..a88a1bfe8 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -158,7 +158,7 @@ static void SetDisasterVehiclePos(Vehicle *v, int x, int y, byte z)
VehiclePositionChanged(v);
EndVehicleMove(v);
- if ((u = v->next) != NULL) {
+ if ((u = v->Next()) != NULL) {
int safe_x = clamp(x, 0, MapMaxX() * TILE_SIZE);
int safe_y = clamp(y - 1, 0, MapMaxY() * TILE_SIZE);
BeginVehicleMove(u);
@@ -173,7 +173,7 @@ static void SetDisasterVehiclePos(Vehicle *v, int x, int y, byte z)
VehiclePositionChanged(u);
EndVehicleMove(u);
- if ((u = u->next) != NULL) {
+ if ((u = u->Next()) != NULL) {
BeginVehicleMove(u);
u->x_pos = x;
u->y_pos = y;
diff --git a/src/economy.cpp b/src/economy.cpp
index 2a42a13c7..f120feb55 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -1412,7 +1412,7 @@ void VehiclePayment(Vehicle *front_v)
/* Start unloading in at the first possible moment */
front_v->load_unload_time_rem = 1;
- for (Vehicle *v = front_v; v != NULL; v = v->next) {
+ for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
/* No cargo to unload */
if (v->cargo_cap == 0 || v->cargo.Empty()) continue;
@@ -1499,7 +1499,7 @@ static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
if (--v->load_unload_time_rem != 0) {
if (_patches.improved_load && HASBIT(v->current_order.flags, OFB_FULL_LOAD)) {
/* 'Reserve' this cargo for this vehicle, because we were first. */
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
if (v->cargo_cap != 0) cargo_left[v->cargo_type] -= v->cargo_cap - v->cargo.Count();
}
}
@@ -1529,7 +1529,7 @@ static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
StationID last_visited = v->last_station_visited;
Station *st = GetStation(last_visited);
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
if (v->cargo_cap == 0) continue;
byte load_amount = EngInfo(v->engine_type)->load_amount;
@@ -1651,7 +1651,7 @@ static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
* enough to fill the previous wagons) */
if (_patches.improved_load && HASBIT(u->current_order.flags, OFB_FULL_LOAD)) {
/* Update left cargo */
- for (v = u; v != NULL; v = v->next) {
+ for (v = u; v != NULL; v = v->Next()) {
if (v->cargo_cap != 0) cargo_left[v->cargo_type] -= v->cargo_cap - v->cargo.Count();
}
}
diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp
index 3ac42e2fd..f27473640 100644
--- a/src/group_cmd.cpp
+++ b/src/group_cmd.cpp
@@ -371,7 +371,7 @@ void SetTrainGroupID(Vehicle *v, GroupID new_g)
assert(v->IsValid() && v->type == VEH_TRAIN && IsFrontEngine(v));
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ for (Vehicle *u = v; u != NULL; u = u->Next()) {
if (IsEngineCountable(u)) UpdateNumEngineGroup(u->engine_type, u->group_id, new_g);
u->group_id = new_g;
@@ -394,7 +394,7 @@ void UpdateTrainGroupID(Vehicle *v)
assert(v->IsValid() && v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v)));
GroupID new_g = IsFrontEngine(v) ? v->group_id : (GroupID)DEFAULT_GROUP;
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ for (Vehicle *u = v; u != NULL; u = u->Next()) {
if (IsEngineCountable(u)) UpdateNumEngineGroup(u->engine_type, u->group_id, new_g);
u->group_id = new_g;
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp
index e51ed4f3f..4f1ef3a05 100644
--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -516,14 +516,14 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
byte chain_before = 0;
byte chain_after = 0;
- for (u = GetFirstVehicleInChain(v); u != v; u = u->next) {
+ for (u = GetFirstVehicleInChain(v); u != v; u = u->Next()) {
chain_before++;
if (variable == 0x41 && u->engine_type != v->engine_type) chain_before = 0;
}
- while (u->next != NULL && (variable == 0x40 || u->next->engine_type == v->engine_type)) {
+ while (u->Next() != NULL && (variable == 0x40 || u->Next()->engine_type == v->engine_type)) {
chain_after++;
- u = u->next;
+ u = u->Next();
}
return chain_before | chain_after << 8 | (chain_before + chain_after + (variable == 0x41)) << 16;
@@ -544,7 +544,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
memset(common_cargos, 0, sizeof(common_cargos));
memset(common_subtypes, 0, sizeof(common_subtypes));
- for (u = v; u != NULL; u = u->next) {
+ for (u = v; u != NULL; u = u->Next()) {
/* Skip empty engines */
if (u->cargo_cap == 0) continue;
@@ -579,7 +579,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
if (v->type != VEH_AIRCRAFT) return UINT_MAX;
{
- const Vehicle *w = v->next;
+ const Vehicle *w = v->Next();
uint16 altitude = v->z_pos - w->z_pos; // Aircraft height - shadow height
byte airporttype;
@@ -611,7 +611,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
if (v->type != VEH_TRAIN) return 0;
const Vehicle *u_p = GetPrevVehicleInChain(v);
- const Vehicle *u_n = v->next;
+ const Vehicle *u_n = v->Next();
DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
DirDiff t = ChangeDirDiff(f, b);
@@ -644,7 +644,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
{
uint count = 0;
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
if (v->engine_type == parameter) count++;
}
return count;
@@ -735,7 +735,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
case 0x57: return GB(ClampToI32(v->profit_last_year), 8, 24);
case 0x58: return GB(ClampToI32(v->profit_last_year), 16, 16);
case 0x59: return GB(ClampToI32(v->profit_last_year), 24, 8);
- case 0x5A: return v->next == NULL ? INVALID_VEHICLE : v->next->index;
+ case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
case 0x5C: return ClampToI32(v->value);
case 0x5D: return GB(ClampToI32(v->value), 8, 24);
case 0x5E: return GB(ClampToI32(v->value), 16, 16);
@@ -914,7 +914,7 @@ SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_vie
if (v == NULL) return group->g.result.sprite;
- return group->g.result.sprite + (info_view ? 0 : (v->next->next->u.air.state % group->g.result.num_sprites));
+ return group->g.result.sprite + (info_view ? 0 : (v->Next()->Next()->u.air.state % group->g.result.num_sprites));
}
@@ -1040,7 +1040,7 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando
/* We now trigger the next vehicle in chain recursively.
* The random bits portions may be different for each
* vehicle in chain. */
- if (v->next != NULL) DoTriggerVehicle(v->next, trigger, 0, true);
+ if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
break;
case VEHICLE_TRIGGER_EMPTY:
@@ -1048,14 +1048,14 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando
* recursively. The random bits portions must be same
* for each vehicle in chain, so we give them all
* first chained vehicle's portion of random bits. */
- if (v->next != NULL) DoTriggerVehicle(v->next, trigger, first ? new_random_bits : base_random_bits, false);
+ if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
break;
case VEHICLE_TRIGGER_ANY_NEW_CARGO:
/* Now pass the trigger recursively to the next vehicle
* in chain. */
assert(!first);
- if (v->next != NULL) DoTriggerVehicle(v->next, VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
+ if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
break;
}
}
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index f88090ad2..29c44d194 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -2156,7 +2156,7 @@ static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y)
v->u.rail.track = TRACK_BIT_DEPOT,
v->vehstatus |= VS_HIDDEN; /* hide it */
v->direction = ReverseDir(v->direction);
- if (v->next == NULL) VehicleEnterDepot(v);
+ if (v->Next() == NULL) VehicleEnterDepot(v);
v->tile = tile;
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
@@ -2165,7 +2165,7 @@ static uint32 VehicleEnter_Track(Vehicle *v, TileIndex tile, int x, int y)
} else if (fract_coord_leave == fract_coord) {
if (DiagDirToDir(dir) == v->direction) {
/* leave the depot? */
- if ((v = v->next) != NULL) {
+ if ((v = v->Next()) != NULL) {
v->vehstatus &= ~VS_HIDDEN;
v->u.rail.track = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y);
}
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index d0a65fea4..00e488629 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -1342,7 +1342,7 @@ static uint32 VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
v->u.road.state = RVSB_IN_DEPOT;
v->vehstatus |= VS_HIDDEN;
v->direction = ReverseDir(v->direction);
- if (v->next == NULL) VehicleEnterDepot(v);
+ if (v->Next() == NULL) VehicleEnterDepot(v);
v->tile = tile;
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
diff --git a/src/roadveh.h b/src/roadveh.h
index 5c62fcee0..1c545ea43 100644
--- a/src/roadveh.h
+++ b/src/roadveh.h
@@ -41,7 +41,7 @@ static inline void SetRoadVehArticPart(Vehicle *v)
static inline bool RoadVehHasArticPart(const Vehicle *v)
{
assert(v->type == VEH_ROAD);
- return v->next != NULL && IsRoadVehArticPart(v->next);
+ return v->Next() != NULL && IsRoadVehArticPart(v->Next());
}
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index d24de2980..53155c8a1 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -140,7 +140,7 @@ void RoadVehUpdateCache(Vehicle *v)
assert(v->type == VEH_ROAD);
assert(IsRoadVehFront(v));
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ for (Vehicle *u = v; u != NULL; u = u->Next()) {
/* Update the v->first cache. */
if (u->first == NULL) u->first = v;
@@ -338,7 +338,7 @@ static bool CheckRoadVehInDepotStopped(const Vehicle *v)
if (!IsTileDepotType(tile, TRANSPORT_ROAD)) return false;
if (IsRoadVehFront(v) && !(v->vehstatus & VS_STOPPED)) return false;
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
if (v->u.road.state != RVSB_IN_DEPOT || v->tile != tile) return false;
}
return true;
@@ -556,7 +556,7 @@ CommandCost CmdTurnRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
void RoadVehicle::MarkDirty()
{
- for (Vehicle *v = this; v != NULL; v = v->next) {
+ for (Vehicle *v = this; v != NULL; v = v->Next()) {
v->cur_image = v->GetImage(v->direction);
MarkAllViewportsDirty(v->left_coord, v->top_coord, v->right_coord + 1, v->bottom_coord + 1);
}
@@ -599,8 +599,8 @@ static void ClearCrashedStation(Vehicle *v)
static void DeleteLastRoadVeh(Vehicle *v)
{
Vehicle *u = v;
- for (; v->next != NULL; v = v->next) u = v;
- u->next = NULL;
+ for (; v->Next() != NULL; v = v->Next()) u = v;
+ u->SetNext(NULL);
DeleteWindowById(WC_VEHICLE_VIEW, v->index);
@@ -646,7 +646,7 @@ static void RoadVehSetRandomDirection(Vehicle *v)
v->UpdateDeltaXY(v->direction);
v->cur_image = v->GetImage(v->direction);
SetRoadVehPosition(v, v->x_pos, v->y_pos);
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
}
static void RoadVehIsCrashed(Vehicle *v)
@@ -679,7 +679,7 @@ static void RoadVehCrash(Vehicle *v)
v->u.road.crashed_ctr++;
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ for (Vehicle *u = v; u != NULL; u = u->Next()) {
if (IsCargoInClass(u->cargo_type, CC_PASSENGERS)) pass += u->cargo.Count();
u->vehstatus |= VS_CRASHED;
@@ -706,7 +706,7 @@ static void RoadVehCrash(Vehicle *v)
static void RoadVehCheckTrainCrash(Vehicle *v)
{
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ for (Vehicle *u = v; u != NULL; u = u->Next()) {
if (u->u.road.state == RVSB_WORMHOLE) continue;
TileIndex tile = u->tile;
@@ -1333,7 +1333,7 @@ static const byte _road_veh_data_1[] = {
static bool RoadVehLeaveDepot(Vehicle *v, bool first)
{
/* Don't leave if not all the wagons are in the depot. */
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
if (u->u.road.state != RVSB_IN_DEPOT || u->tile != v->tile) return false;
}
@@ -1627,11 +1627,11 @@ again:
/* This vehicle is not in a wormhole and it hasn't entered a new tile. If
* it's on a depot tile, check if it's time to activate the next vehicle in
* the chain yet. */
- if (v->next != NULL &&
+ if (v->Next() != NULL &&
IsTileType(v->tile, MP_ROAD) && GetRoadTileType(v->tile) == ROAD_TILE_DEPOT) {
if (v->u.road.frame == v->u.road.cached_veh_length + RVC_DEPOT_START_FRAME) {
- RoadVehLeaveDepot(v->next, false);
+ RoadVehLeaveDepot(v->Next(), false);
}
}
@@ -1822,7 +1822,7 @@ static void RoadVehController(Vehicle *v)
/* Check if vehicle needs to proceed, return if it doesn't */
if (!RoadVehAccelerate(v)) return;
- for (Vehicle *prev = NULL; v != NULL; prev = v, v = v->next) {
+ for (Vehicle *prev = NULL; v != NULL; prev = v, v = v->Next()) {
if (!IndividualRoadVehicleController(v, prev)) break;
}
}
@@ -2029,7 +2029,7 @@ CommandCost CmdRefitRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
SET_EXPENSES_TYPE(EXPENSES_ROADVEH_RUN);
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
/* XXX: We refit all the attached wagons en-masse if they can be
* refitted. This is how TTDPatch does it. TODO: Have some nice
* [Refit] button near each wagon. */
diff --git a/src/roadveh_gui.cpp b/src/roadveh_gui.cpp
index f67d81e02..331053605 100644
--- a/src/roadveh_gui.cpp
+++ b/src/roadveh_gui.cpp
@@ -46,7 +46,7 @@ void DrawRoadVehImage(const Vehicle *v, int x, int y, int count, VehicleID selec
}
dx += length;
- v = v->next;
+ v = v->Next();
} while (v != NULL && dx < max_length);
}
@@ -65,7 +65,7 @@ static void RoadVehDetailsWndProc(Window *w, WindowEvent *e)
/* Add space for the cargo amount for each part. */
do {
height_extension += 11;
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
ResizeWindow(w, 0, height_extension);
} break;
@@ -128,7 +128,7 @@ static void RoadVehDetailsWndProc(Window *w, WindowEvent *e)
memset(max_cargo, 0, sizeof(max_cargo));
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
max_cargo[u->cargo_type] += u->cargo_cap;
}
@@ -153,7 +153,7 @@ static void RoadVehDetailsWndProc(Window *w, WindowEvent *e)
SetDParamStr(0, capacity);
DrawStringTruncated(34, 67 + y_offset, STR_JUST_STRING, 0, w->width - 34);
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
str = STR_8812_EMPTY;
if (!u->cargo.Empty()) {
SetDParam(0, u->cargo_type);
diff --git a/src/train.h b/src/train.h
index 1983b99ff..55ef18663 100644
--- a/src/train.h
+++ b/src/train.h
@@ -200,7 +200,7 @@ static inline void ClearMultiheaded(Vehicle *v)
static inline bool EngineHasArticPart(const Vehicle *v)
{
assert(v->type == VEH_TRAIN);
- return (v->next != NULL && IsArticulatedPart(v->next));
+ return (v->Next() != NULL && IsArticulatedPart(v->Next()));
}
/**
@@ -211,7 +211,7 @@ static inline bool EngineHasArticPart(const Vehicle *v)
static inline Vehicle *GetNextArticPart(const Vehicle *v)
{
assert(EngineHasArticPart(v));
- return v->next;
+ return v->Next();
}
/** Get the last part of a multi-part engine.
@@ -235,7 +235,7 @@ static inline Vehicle *GetNextVehicle(const Vehicle *v)
while (EngineHasArticPart(v)) v = GetNextArticPart(v);
/* v now contains the last artic part in the engine */
- return v->next;
+ return v->Next();
}
void ConvertOldMultiheadToNew();
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index f1c428ff5..2733a7c92 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -70,7 +70,7 @@ void TrainPowerChanged(Vehicle* v)
uint32 total_power = 0;
uint32 max_te = 0;
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
/* Power is not added for articulated parts */
if (IsArticulatedPart(u)) continue;
@@ -112,7 +112,7 @@ static void TrainCargoChanged(Vehicle* v)
{
uint32 weight = 0;
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ 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. */
@@ -158,7 +158,7 @@ void TrainConsistChanged(Vehicle* v)
v->u.rail.cached_total_length = 0;
v->u.rail.compatible_railtypes = 0;
- for (Vehicle *u = v; u != NULL; u = u->next) {
+ 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. */
@@ -235,7 +235,7 @@ 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
+ 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;
v->u.rail.cached_total_length += u->u.rail.cached_veh_length;
}
@@ -309,9 +309,9 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
int sum = 0;
int pos = 0;
int lastpos = -1;
- for (const Vehicle *u = v; u->next != NULL; u = u->next, pos++) {
+ for (const Vehicle *u = v; u->Next() != NULL; u = u->Next(), pos++) {
Direction dir = u->direction;
- Direction ndir = u->next->direction;
+ Direction ndir = u->Next()->direction;
int i;
for (i = 0; i < 2; i++) {
@@ -371,7 +371,7 @@ static int GetTrainAcceleration(Vehicle *v, bool mode)
int num = 0; //number of vehicles, change this into the number of axles later
int incl = 0;
int drag_coeff = 20; //[1e-4]
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
num++;
drag_coeff += 3;
@@ -792,7 +792,7 @@ int CheckTrainInDepot(const Vehicle *v, bool needs_to_be_stopped)
if (!IsTileDepotType(tile, TRANSPORT_RAIL) || v->cur_speed != 0) return -1;
int count = 0;
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
/* This count is used by the depot code to determine the number of engines
* in the consist. Exclude articulated parts so that autoreplacing to
* engines with more articulated parts than before works correctly.
@@ -857,7 +857,7 @@ static Vehicle *FindGoodVehiclePos(const Vehicle *src)
Vehicle *v = dst;
while (v->engine_type == eng) {
- v = v->next;
+ v = v->Next();
if (v == NULL) return dst;
}
}
@@ -875,8 +875,8 @@ static void AddWagonToConsist(Vehicle *v, Vehicle *dest)
UnlinkWagon(v, GetFirstVehicleInChain(v));
if (dest == NULL) return;
- v->next = dest->next;
- dest->next = v;
+ v->SetNext(dest->Next());
+ dest->SetNext(v);
ClearFreeWagon(v);
ClearFrontEngine(v);
}
@@ -896,7 +896,7 @@ static void NormaliseTrainConsist(Vehicle *v)
/* make sure that there are no free cars before next engine */
Vehicle *u;
- for (u = v; u->next != NULL && !IsTrainEngine(u->next); u = u->next) {}
+ for (u = v; u->Next() != NULL && !IsTrainEngine(u->Next()); u = u->Next()) {}
if (u == v->u.rail.other_multiheaded_part) continue;
AddWagonToConsist(v->u.rail.other_multiheaded_part, u);
@@ -1023,8 +1023,8 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p
/* do it? */
if (flags & DC_EXEC) {
/* clear the ->first cache */
- for (Vehicle *u = src_head; u != NULL; u = u->next) u->first = NULL;
- for (Vehicle *u = dst_head; u != NULL; u = u->next) u->first = NULL;
+ for (Vehicle *u = src_head; u != NULL; u = u->Next()) u->first = NULL;
+ for (Vehicle *u = dst_head; u != NULL; u = u->Next()) u->first = NULL;
/* If we move the front Engine and if the second vehicle is not an engine
add the whole vehicle to the DEFAULT_GROUP */
@@ -1097,13 +1097,13 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p
Vehicle *v;
for (v = src; GetNextVehicle(v) != NULL; v = GetNextVehicle(v));
- GetLastEnginePart(v)->next = dst->next;
+ GetLastEnginePart(v)->SetNext(dst->Next());
}
- dst->next = src;
+ dst->SetNext(src);
}
if (src->u.rail.other_multiheaded_part != NULL) {
if (src->u.rail.other_multiheaded_part == src_head) {
- src_head = src_head->next;
+ 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 */
@@ -1263,7 +1263,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
Vehicle *new_f = GetNextVehicle(first);
/* 2.1 If the first wagon is sold, update the first-> pointers to NULL */
- for (Vehicle *tmp = first; tmp != NULL; tmp = tmp->next) tmp->first = NULL;
+ for (Vehicle *tmp = first; tmp != NULL; tmp = tmp->Next()) tmp->first = NULL;
/* 2.2 If there are wagons present after the deleted front engine, check
* if the second wagon (which will be first) is an engine. If it is one,
@@ -1470,8 +1470,8 @@ static void ReverseTrainSwapVeh(Vehicle *v, int l, int r)
Vehicle *a, *b;
/* locate vehicles to swap */
- for (a = v; l != 0; l--) a = a->next;
- for (b = v; r != 0; r--) b = b->next;
+ for (a = v; l != 0; l--) a = a->Next();
+ for (b = v; r != 0; r--) b = b->Next();
if (a != b) {
/* swap the hidden bits */
@@ -1539,30 +1539,30 @@ static void DisableTrainCrossing(TileIndex tile)
static void AdvanceWagons(Vehicle *v, bool before)
{
Vehicle *base = v;
- Vehicle *first = base->next;
+ Vehicle *first = base->Next();
uint length = CountVehiclesInChain(v);
while (length > 2) {
/* find pairwise matching wagon
* start<>end, start+1<>end-1, ... */
Vehicle *last = first;
- for (uint i = length - 3; i > 0; i--) last = last->next;
+ for (uint i = length - 3; i > 0; i--) last = last->Next();
int differential = last->u.rail.cached_veh_length - base->u.rail.cached_veh_length;
if (before) differential *= -1;
if (differential > 0) {
/* disconnect last car to make sure only this subset moves */
- Vehicle *tempnext = last->next;
- last->next = NULL;
+ Vehicle *tempnext = last->Next();
+ last->SetNext(NULL);
for (int i = 0; i < differential; i++) TrainController(first, false);
- last->next = tempnext;
+ last->SetNext(tempnext);
}
base = first;
- first = first->next;
+ first = first->Next();
length -= 2;
}
}
@@ -1593,7 +1593,7 @@ static void ReverseTrainDirection(Vehicle *v)
/* count number of vehicles */
int r = -1;
const Vehicle *u = v;
- do r++; while ( (u = u->next) != NULL );
+ do r++; while ((u = u->Next()) != NULL);
AdvanceWagons(v, true);
@@ -1772,7 +1772,7 @@ CommandCost CmdRefitRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32
}
}
}
- } while ((v = v->next) != NULL && !only_this);
+ } while ((v = v->Next()) != NULL && !only_this);
_returned_refit_capacity = num;
@@ -2017,7 +2017,7 @@ static void HandleLocomotiveSmokeCloud(const Vehicle* v)
}
break;
}
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
if (sound) PlayVehicleSound(u, VSE_TRAIN_EFFECT);
}
@@ -2046,7 +2046,7 @@ void Train::PlayLeaveStationSound() const
static bool CheckTrainStayInDepot(Vehicle *v)
{
/* 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) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
if (u->u.rail.track != TRACK_BIT_DEPOT || u->tile != v->tile) return false;
}
@@ -2470,7 +2470,7 @@ void Train::MarkDirty()
do {
v->cur_image = v->GetImage(v->direction);
MarkAllViewportsDirty(v->left_coord, v->top_coord, v->right_coord + 1, v->bottom_coord + 1);
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
/* need to update acceleration and cached values since the goods on the train changed. */
TrainCargoChanged(this);
@@ -2756,7 +2756,7 @@ static void CheckTrainCollision(Vehicle *v)
TrainCollideChecker tcc;
tcc.v = v;
- tcc.v_skip = v->next;
+ tcc.v_skip = v->Next();
tcc.num = 0;
/* find colliding vehicles */
@@ -2807,7 +2807,7 @@ static void TrainController(Vehicle *v, bool update_image)
Vehicle *prev;
/* For every vehicle after and including the given vehicle */
- for (prev = GetPrevVehicleInChain(v); v != NULL; prev = v, v = v->next) {
+ for (prev = GetPrevVehicleInChain(v); v != NULL; prev = v, v = v->Next()) {
DiagDirection enterdir = DIAGDIR_BEGIN;
bool update_signals = false;
BeginVehicleMove(v);
@@ -2934,7 +2934,7 @@ static void TrainController(Vehicle *v, bool update_image)
goto invalid_rail;
}
- if (IsLevelCrossingTile(v->tile) && v->next == NULL) {
+ if (IsLevelCrossingTile(v->tile) && v->Next() == NULL) {
UnbarCrossing(v->tile);
MarkTileDirtyByTile(v->tile);
}
@@ -2997,7 +2997,7 @@ static void TrainController(Vehicle *v, bool update_image)
/* Signals can only change when the first
* (above) or the last vehicle moves. */
- if (v->next == NULL) TrainMovedChangeSignals(gp.old_tile, ReverseDiagDir(enterdir));
+ if (v->Next() == NULL) TrainMovedChangeSignals(gp.old_tile, ReverseDiagDir(enterdir));
}
}
return;
@@ -3028,8 +3028,8 @@ static void DeleteLastWagon(Vehicle *v)
* *u is then the one-before-last wagon, and *v the last
* one which will physicially be removed */
Vehicle *u = v;
- for (; v->next != NULL; v = v->next) u = v;
- u->next = NULL;
+ for (; v->Next() != NULL; v = v->Next()) u = v;
+ u->SetNext(NULL);
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
DeleteWindowById(WC_VEHICLE_VIEW, v->index);
@@ -3090,7 +3090,7 @@ static void ChangeTrainDirRandomly(Vehicle *v)
the bridge in that case */
if (v->u.rail.track != TRACK_BIT_WORMHOLE) AfterSetTrainPos(v, false);
}
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
}
static void HandleCrashedTrain(Vehicle *v)
@@ -3117,7 +3117,7 @@ static void HandleCrashedTrain(Vehicle *v)
EV_EXPLOSION_SMALL);
break;
}
- } while ((u = u->next) != NULL);
+ } while ((u = u->Next()) != NULL);
}
if (state <= 240 && !(v->tick_counter & 3)) ChangeTrainDirRandomly(v);
@@ -3498,7 +3498,7 @@ void ConnectMultiheadedTrains()
}
Vehicle *w;
- for (w = u->next; w != NULL && (w->engine_type != u->engine_type || w->u.rail.other_multiheaded_part != NULL); w = GetNextVehicle(w));
+ for (w = u->Next(); w != NULL && (w->engine_type != u->engine_type || w->u.rail.other_multiheaded_part != NULL); w = GetNextVehicle(w));
if (w != NULL) {
/* we found a car to partner with this engine. Now we will make sure it face the right way */
if (IsTrainEngine(w)) {
diff --git a/src/train_gui.cpp b/src/train_gui.cpp
index f88ab54ab..cf8dcbc15 100644
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -100,7 +100,7 @@ void DrawTrainImage(const Vehicle *v, int x, int y, int count, int skip, Vehicle
}
dx += width;
- v = v->next;
+ v = v->Next();
} while (dx < count && v != NULL);
if (highlight_l != highlight_r) {
@@ -176,7 +176,7 @@ static void DrawTrainDetailsWindow(Window *w)
do {
act_cargo[u->cargo_type] += u->cargo.Count();
max_cargo[u->cargo_type] += u->cargo_cap;
- } while ((u = u->next) != NULL);
+ } while ((u = u->Next()) != NULL);
/* Set scroll-amount seperately from counting, as to not compute num double
* for more carriages of the same type
@@ -188,7 +188,7 @@ static void DrawTrainDetailsWindow(Window *w)
} else {
do {
if (!IsArticulatedPart(u) || u->cargo_cap != 0) num++;
- } while ((u = u->next) != NULL);
+ } while ((u = u->Next()) != NULL);
}
SetVScrollCount(w, num);
@@ -249,7 +249,7 @@ static void DrawTrainDetailsWindow(Window *w)
SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
DrawSprite(u->GetImage(DIR_W), pal, x + WagonLengthToPixels(4 + dx), y + 6 + (is_custom_sprite(RailVehInfo(u->engine_type)->image_index) ? _traininfo_vehicle_pitch : 0));
dx += u->u.rail.cached_veh_length;
- u = u->next;
+ u = u->Next();
} while (u != NULL && IsArticulatedPart(u) && u->cargo_cap == 0);
px = x + WagonLengthToPixels(dx) + 2;
@@ -271,7 +271,7 @@ static void DrawTrainDetailsWindow(Window *w)
} else {
/* Move to the next line */
do {
- v = v->next;
+ v = v->Next();
} while (v != NULL && IsArticulatedPart(v) && v->cargo_cap == 0);
}
if (v == NULL) return;
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 46c1f3d4c..c28a2b9c4 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -243,12 +243,12 @@ void AfterLoadVehicles()
v->cur_image = v->GetImage(v->direction);
/* The plane's shadow will have the same image as the plane */
- Vehicle *shadow = v->next;
+ Vehicle *shadow = v->Next();
shadow->cur_image = v->cur_image;
/* In the case of a helicopter we will update the rotor sprites */
if (v->subtype == AIR_HELICOPTER) {
- Vehicle *rotor = shadow->next;
+ Vehicle *rotor = shadow->Next();
rotor->cur_image = GetRotorImage(v);
}
@@ -462,7 +462,7 @@ void InitializeVehicles()
Vehicle *GetLastVehicleInChain(Vehicle *v)
{
- while (v->next != NULL) v = v->next;
+ while (v->Next() != NULL) v = v->Next();
return v;
}
@@ -476,7 +476,7 @@ static Vehicle *GetPrevVehicleInChain_bruteforce(const Vehicle *v)
{
Vehicle *u;
- FOR_ALL_VEHICLES(u) if (u->type == v->type && u->next == v) return u;
+ FOR_ALL_VEHICLES(u) if (u->type == v->type && u->Next() == v) return u;
return NULL;
}
@@ -495,7 +495,7 @@ Vehicle *GetPrevVehicleInChain(const Vehicle *v)
/* Check to see if this is the first */
if (v == u) return NULL;
- for (; u->next != v; u = u->next) assert(u->next != NULL);
+ for (; u->Next() != v; u = u->Next()) assert(u->Next() != NULL);
return u;
}
@@ -532,7 +532,7 @@ Vehicle *GetFirstVehicleInChain(const Vehicle *v)
/* Set the first pointer of all vehicles in that chain to the first wagon */
if ((v->type == VEH_TRAIN && (IsFrontEngine(v) || IsFreeWagon(v))) ||
(v->type == VEH_ROAD && IsRoadVehFront(v))) {
- for (u = (Vehicle *)v; u != NULL; u = u->next) u->first = (Vehicle *)v;
+ for (u = (Vehicle *)v; u != NULL; u = u->Next()) u->first = (Vehicle *)v;
}
return (Vehicle*)v;
@@ -541,7 +541,7 @@ Vehicle *GetFirstVehicleInChain(const Vehicle *v)
uint CountVehiclesInChain(const Vehicle* v)
{
uint count = 0;
- do count++; while ((v = v->next) != NULL);
+ do count++; while ((v = v->Next()) != NULL);
return count;
}
@@ -594,7 +594,7 @@ void Vehicle::PreDestructor()
* destroy vehicle, which on his turn can remove any
* other artic parts. */
if ((this->type == VEH_TRAIN && EngineHasArticPart(this)) || (this->type == VEH_ROAD && RoadVehHasArticPart(this))) {
- delete this->next;
+ delete this->Next();
}
}
@@ -626,7 +626,7 @@ void DeleteVehicleChain(Vehicle *v)
do {
Vehicle *u = v;
- v = v->next;
+ v = v->Next();
delete u;
} while (v != NULL);
}
@@ -1777,7 +1777,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
int veh_counter = 0;
do {
veh_counter++;
- } while ((v = v->next) != NULL);
+ } while ((v = v->Next()) != NULL);
if (!Vehicle::AllocateList(NULL, veh_counter)) {
return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);
@@ -1861,7 +1861,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (w->type == VEH_TRAIN && EngineHasArticPart(w)) {
w = GetNextArticPart(w);
} else if (w->type == VEH_ROAD && RoadVehHasArticPart(w)) {
- w = w->next;
+ w = w->Next();
} else {
break;
}
@@ -1876,7 +1876,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (v->type == VEH_TRAIN && EngineHasArticPart(v)) {
v = GetNextArticPart(v);
} else if (v->type == VEH_ROAD && RoadVehHasArticPart(v)) {
- v = v->next;
+ v = v->Next();
} else {
break;
}
@@ -2153,7 +2153,7 @@ uint8 CalcPercentVehicleFilled(Vehicle *v, StringID *color)
const Station *st = GetStation(v->last_station_visited);
/* Count up max and used */
- for (; v != NULL; v = v->next) {
+ for (; v != NULL; v = v->Next()) {
count += v->cargo.Count();
max += v->cargo_cap;
if (v->cargo_cap != 0) {
diff --git a/src/vehicle.h b/src/vehicle.h
index fce09b18d..e2041229f 100644
--- a/src/vehicle.h
+++ b/src/vehicle.h
@@ -222,9 +222,9 @@ struct Vehicle : PoolItem<Vehicle, VehicleID, &_Vehicle_pool> {
VehicleTypeByte type; ///< Type of vehicle
byte subtype; // subtype (Filled with values from EffectVehicles/TrainSubTypes/AircraftSubTypes)
- Vehicle *next; // next
+ Vehicle *next; // pointer to the next vehicle in the chain
Vehicle *first; // NOSAVE: pointer to the first vehicle in the chain
- Vehicle *depot_list; //NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
+ Vehicle *depot_list; // NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
StringID string_id; // Displayed string
@@ -455,7 +455,24 @@ struct Vehicle : PoolItem<Vehicle, VehicleID, &_Vehicle_pool> {
*/
Money GetDisplayRunningCost() const { return (this->GetRunningCost() >> 8); }
- bool IsValid() const { return this->type != VEH_INVALID; }
+ /**
+ * Is this vehicle a valid vehicle?
+ * @return true if and only if the vehicle is valid.
+ */
+ inline bool IsValid() const { return this->type != VEH_INVALID; }
+
+ /**
+ * Set the next vehicle of this vehicle.
+ * @param next the next vehicle. NULL removes the next vehicle.
+ */
+ void SetNext(Vehicle *next) { this->next = next; }
+
+ /**
+ * Get the next vehicle of this vehicle.
+ * @note articulated parts are also counted as vehicles.
+ * @return the next vehicle or NULL when there isn't a next vehicle.
+ */
+ inline Vehicle *Next() const { return this->next; }
};
/**
@@ -632,7 +649,7 @@ GetNewVehiclePosResult GetNewVehiclePos(const Vehicle *v);
Direction GetDirectionTowards(const Vehicle *v, int x, int y);
#define BEGIN_ENUM_WAGONS(v) do {
-#define END_ENUM_WAGONS(v) } while ((v = v->next) != NULL);
+#define END_ENUM_WAGONS(v) } while ((v = v->Next()) != NULL);
static inline VehicleID GetMaxVehicleIndex()
{
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
index 62b94105a..e2cd1d05c 100644
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -261,7 +261,7 @@ static RefitList *BuildRefitList(const Vehicle *v)
}
}
}
- } while (v->type == VEH_TRAIN && (u = u->next) != NULL && num_lines < max_lines);
+ } while (v->type == VEH_TRAIN && (u = u->Next()) != NULL && num_lines < max_lines);
list->num_lines = num_lines;
list->items = refit;
@@ -617,8 +617,8 @@ static int CDECL VehicleCargoSorter(const void *a, const void *b)
memset(cargoa, 0, sizeof(cargoa));
memset(cargob, 0, sizeof(cargob));
- for (v = va; v != NULL; v = v->next) cargoa[v->cargo_type] += v->cargo_cap;
- for (v = vb; v != NULL; v = v->next) cargob[v->cargo_type] += v->cargo_cap;
+ for (v = va; v != NULL; v = v->Next()) cargoa[v->cargo_type] += v->cargo_cap;
+ for (v = vb; v != NULL; v = v->Next()) cargob[v->cargo_type] += v->cargo_cap;
for (CargoID i = 0; i < NUM_CARGO; i++) {
r = cargoa[i] - cargob[i];
@@ -653,12 +653,12 @@ static int CDECL VehicleMaxSpeedSorter(const void *a, const void *b)
do {
if (RailVehInfo(ua->engine_type)->max_speed != 0)
max_speed_a = min(max_speed_a, RailVehInfo(ua->engine_type)->max_speed);
- } while ((ua = ua->next) != NULL);
+ } while ((ua = ua->Next()) != NULL);
do {
if (RailVehInfo(ub->engine_type)->max_speed != 0)
max_speed_b = min(max_speed_b, RailVehInfo(ub->engine_type)->max_speed);
- } while ((ub = ub->next) != NULL);
+ } while ((ub = ub->Next()) != NULL);
r = max_speed_a - max_speed_b;
} else {
@@ -688,8 +688,8 @@ static int CDECL VehicleValueSorter(const void *a, const void *b)
const Vehicle *u;
Money valuea = 0, valueb = 0;
- for (u = va; u != NULL; u = u->next) valuea += u->value;
- for (u = vb; u != NULL; u = u->next) valueb += u->value;
+ for (u = va; u != NULL; u = u->Next()) valuea += u->value;
+ for (u = vb; u != NULL; u = u->Next()) valueb += u->value;
int r = ClampToI32(valuea - valueb);
@@ -1590,7 +1590,7 @@ static void DrawVehicleViewWindow(Window *w)
if (is_localplayer) {
/* See if any vehicle can be refitted */
- for (const Vehicle *u = v; u != NULL; u = u->next) {
+ for (const Vehicle *u = v; u != NULL; u = u->Next()) {
if (EngInfo(u->engine_type)->refit_mask != 0 ||
(RailVehInfo(v->engine_type)->railveh_type != RAILVEH_WAGON && v->cargo_cap != 0)) {
EnableWindowWidget(w, VVW_WIDGET_REFIT_VEH);