static void ShipController(Ship *v)
{
uint32 r;
const byte *b;
Direction dir;
Track track;
TrackBits tracks;
v->tick_counter++;
v->current_order_time++;
if (v->HandleBreakdown()) return;
if (v->vehstatus & VS_STOPPED) return;
ProcessOrders(v);
v->HandleLoading();
if (v->current_order.IsType(OT_LOADING)) return;
if (CheckShipLeaveDepot(v)) return;
v->ShowVisualEffect();
if (!ShipAccelerate(v)) return;
GetNewVehiclePosResult gp = GetNewVehiclePos(v);
if (v->state != TRACK_BIT_WORMHOLE) {
/* Not on a bridge */
if (gp.old_tile == gp.new_tile) {
/* Staying in tile */
if (v->IsInDepot()) {
gp.x = v->x_pos;
gp.y = v->y_pos;
} else {
/* Not inside depot */
r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
/* A leave station order only needs one tick to get processed, so we can
* always skip ahead. */
if (v->current_order.IsType(OT_LEAVESTATION)) {
v->current_order.Free();
SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
/* Test if continuing forward would lead to a dead-end, moving into the dock. */
DiagDirection exitdir = VehicleExitDir(v->direction, v->state);
TileIndex tile = TileAddByDiagDir(v->tile, exitdir);
if (TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0, exitdir)) == TRACK_BIT_NONE) goto reverse_direction;
} else if (v->dest_tile != 0) {
/* We have a target, let's see if we reached it... */
if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
/* We got within 3 tiles of our target buoy, so let's skip to our
* next order */
UpdateVehicleTimetable(v, true);
v->IncrementRealOrderIndex();
v->current_order.MakeDummy();
} else {
/* Non-buoy orders really need to reach the tile */
if (v->dest_tile == gp.new_tile) {
if (v->current_order.IsType(OT_GOTO_DEPOT)) {
if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
VehicleEnterDepot(v);
return;
}
} else if (v->current_order.IsType(OT_GOTO_STATION)) {
v->last_station_visited = v->current_order.GetDestination();
/* Process station in the orderlist. */
Station *st = Station::Get(v->current_order.GetDestination());
if (st->facilities & FACIL_DOCK) { // ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations
ShipArrivesAt(v, st);
v->BeginLoading();
} else { // leave stations without docks right aways
v->current_order.MakeLeaveStation();
v->IncrementRealOrderIndex();
}
}
}
}
}
}
} else {
/* New tile */
if (!IsValidTile(gp.new_tile)) goto reverse_direction;
DiagDirection diagdir = DiagdirBetweenTiles(gp.old_tile, gp.new_tile);
assert(diagdir != INVALID_DIAGDIR);
tracks = GetAvailShipTracks(gp.new_tile, diagdir);
if (tracks == TRACK_BIT_NONE) goto reverse_direction;
/* Choose a direction, and continue if we find one */
track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
if (track == INVALID_TRACK) goto reverse_direction;
b = _ship_subcoord[diagdir][track];
gp.x = (gp.x & ~0xF) | b[0];
gp.y = (gp.y & ~0xF) | b[1];
/* Call the landscape function and tell it that the vehicle entered the tile */
r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
v->tile = gp.new_tile;
v->state = TrackToTrackBits(track);
/* Update ship cache when the water class changes. Aqueducts are always canals. */
WaterClass old_wc = GetEffectiveWaterClass(gp.old_tile);
WaterClass new_wc = GetEffectiveWaterClass(gp.new_tile);
if (old_wc != new_wc) v->UpdateCache();
}
v->direction = (Direction)b[2];
}
} else {
/* On a bridge */
if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
v->x_pos = gp.x;
v->y_pos = gp.y;
v->UpdatePosition();
if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
return;
}
}
/* update image of ship, as well as delta XY */
v->x_pos = gp.x;
v->y_pos = gp.y;
v->z_pos = GetSlopePixelZ(gp.x, gp.y);
getout:
v->UpdatePosition();
v->UpdateViewport(true, true);
return;
reverse_direction:
dir = ReverseDir(v->direction);
v->direction = dir;
goto getout;
}
static void ShipController(Ship *v)
{
uint32 r;
const byte *b;
Direction dir;
Track track;
TrackBits tracks;
v->tick_counter++;
v->current_order_time++;
if (v->breakdown_ctr != 0) {
if (v->breakdown_ctr <= 2) {
HandleBrokenShip(v);
return;
}
if (!v->current_order.IsType(OT_LOADING)) v->breakdown_ctr--;
}
if (v->vehstatus & VS_STOPPED) return;
ProcessOrders(v);
v->HandleLoading();
if (v->current_order.IsType(OT_LOADING)) return;
CheckShipLeaveDepot(v);
if (!ShipAccelerate(v)) return;
GetNewVehiclePosResult gp = GetNewVehiclePos(v);
if (v->state != TRACK_BIT_WORMHOLE) {
/* Not on a bridge */
if (gp.old_tile == gp.new_tile) {
/* Staying in tile */
if (v->IsInDepot()) {
gp.x = v->x_pos;
gp.y = v->y_pos;
} else {
/* Not inside depot */
r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
/* A leave station order only needs one tick to get processed, so we can
* always skip ahead. */
if (v->current_order.IsType(OT_LEAVESTATION)) {
v->current_order.Free();
SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
} else if (v->dest_tile != 0) {
/* We have a target, let's see if we reached it... */
if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
DistanceManhattan(v->dest_tile, gp.new_tile) <= 3) {
/* We got within 3 tiles of our target buoy, so let's skip to our
* next order */
UpdateVehicleTimetable(v, true);
v->IncrementOrderIndex();
v->current_order.MakeDummy();
} else {
/* Non-buoy orders really need to reach the tile */
if (v->dest_tile == gp.new_tile) {
if (v->current_order.IsType(OT_GOTO_DEPOT)) {
if ((gp.x & 0xF) == 8 && (gp.y & 0xF) == 8) {
VehicleEnterDepot(v);
return;
}
} else if (v->current_order.IsType(OT_GOTO_STATION)) {
v->last_station_visited = v->current_order.GetDestination();
/* Process station in the orderlist. */
Station *st = Station::Get(v->current_order.GetDestination());
if (st->facilities & FACIL_DOCK) { // ugly, ugly workaround for problem with ships able to drop off cargo at wrong stations
ShipArrivesAt(v, st);
v->BeginLoading();
} else { // leave stations without docks right aways
v->current_order.MakeLeaveStation();
v->IncrementOrderIndex();
}
}
}
}
}
}
} else {
DiagDirection diagdir;
/* New tile */
if (TileX(gp.new_tile) >= MapMaxX() || TileY(gp.new_tile) >= MapMaxY()) {
goto reverse_direction;
}
dir = ShipGetNewDirectionFromTiles(gp.new_tile, gp.old_tile);
assert(dir == DIR_NE || dir == DIR_SE || dir == DIR_SW || dir == DIR_NW);
diagdir = DirToDiagDir(dir);
tracks = GetAvailShipTracks(gp.new_tile, diagdir);
if (tracks == TRACK_BIT_NONE) goto reverse_direction;
/* Choose a direction, and continue if we find one */
track = ChooseShipTrack(v, gp.new_tile, diagdir, tracks);
if (track == INVALID_TRACK) goto reverse_direction;
b = _ship_subcoord[diagdir][track];
gp.x = (gp.x & ~0xF) | b[0];
gp.y = (gp.y & ~0xF) | b[1];
/* Call the landscape function and tell it that the vehicle entered the tile */
r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
if (HasBit(r, VETS_CANNOT_ENTER)) goto reverse_direction;
if (!HasBit(r, VETS_ENTERED_WORMHOLE)) {
v->tile = gp.new_tile;
v->state = TrackToTrackBits(track);
}
v->direction = (Direction)b[2];
}
} else {
/* On a bridge */
if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
v->x_pos = gp.x;
v->y_pos = gp.y;
VehicleMove(v, !(v->vehstatus & VS_HIDDEN));
return;
}
}
/* update image of ship, as well as delta XY */
dir = ShipGetNewDirection(v, gp.x, gp.y);
v->x_pos = gp.x;
v->y_pos = gp.y;
v->z_pos = GetSlopeZ(gp.x, gp.y);
getout:
v->UpdateViewport(true, true);
return;
reverse_direction:
dir = ReverseDir(v->direction);
v->direction = dir;
goto getout;
}