static uint NPFSlopeCost(AyStarNode *current)
{
TileIndex next = current->tile + TileOffsByDiagDir(TrackdirToExitdir(current->direction));
/* Get center of tiles */
int x1 = TileX(current->tile) * TILE_SIZE + TILE_SIZE / 2;
int y1 = TileY(current->tile) * TILE_SIZE + TILE_SIZE / 2;
int x2 = TileX(next) * TILE_SIZE + TILE_SIZE / 2;
int y2 = TileY(next) * TILE_SIZE + TILE_SIZE / 2;
int dx4 = (x2 - x1) / 4;
int dy4 = (y2 - y1) / 4;
/* Get the height on both sides of the tile edge.
* Avoid testing the height on the tile-center. This will fail for halftile-foundations.
*/
int z1 = GetSlopeZ(x1 + dx4, y1 + dy4);
int z2 = GetSlopeZ(x2 - dx4, y2 - dy4);
if (z2 - z1 > 1) {
/* Slope up */
return _settings_game.pf.npf.npf_rail_slope_penalty;
}
return 0;
/* Should we give a bonus for slope down? Probably not, we
* could just substract that bonus from the penalty, because
* there is only one level of steepness... */
}
static void SetDisasterVehiclePos(DisasterVehicle *v, int x, int y, byte z)
{
v->x_pos = x;
v->y_pos = y;
v->z_pos = z;
v->tile = TileVirtXY(x, y);
DisasterVehicleUpdateImage(v);
VehicleMove(v, true);
DisasterVehicle *u = v->Next();
if (u != NULL) {
int safe_x = Clamp(x, 0, MapMaxX() * TILE_SIZE);
int safe_y = Clamp(y - 1, 0, MapMaxY() * TILE_SIZE);
u->x_pos = x;
u->y_pos = y - 1 - (max(z - GetSlopeZ(safe_x, safe_y), 0U) >> 3);
safe_y = Clamp(u->y_pos, 0, MapMaxY() * TILE_SIZE);
u->z_pos = GetSlopeZ(safe_x, safe_y);
u->direction = v->direction;
DisasterVehicleUpdateImage(u);
VehicleMove(u, true);
if ((u = u->Next()) != NULL) {
u->x_pos = x;
u->y_pos = y;
u->z_pos = z + 5;
VehicleMove(u, true);
}
}
void SndPlayTileFx(SoundID sound, TileIndex tile)
{
/* emits sound from center of the tile */
int x = min(MapMaxX() - 1, TileX(tile)) * TILE_SIZE + TILE_SIZE / 2;
int y = min(MapMaxY() - 1, TileY(tile)) * TILE_SIZE - TILE_SIZE / 2;
uint z = (y < 0 ? 0 : GetSlopeZ(x, y));
Point pt = RemapCoords(x, y, z);
y += 2 * TILE_SIZE;
Point pt2 = RemapCoords(x, y, GetSlopeZ(x, y));
SndPlayScreenCoordFx(sound, pt.x, pt2.x, pt.y, pt2.y);
}
/**
* Place a sign at the given coordinates. Ownership of sign has
* no effect whatsoever except for the colour the sign gets for easy recognition,
* but everybody is able to rename/remove it.
* @param tile tile to place sign at
* @param flags type of operation
* @param p1 unused
* @param p2 unused
* @param text unused
* @return the cost of this operation or an error
*/
CommandCost CmdPlaceSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
/* Try to locate a new sign */
if (!Sign::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_SIGNS);
/* Check sign text length if any */
if (!StrEmpty(text) && Utf8StringLength(text) >= MAX_LENGTH_SIGN_NAME_CHARS) return CMD_ERROR;
/* When we execute, really make the sign */
if (flags & DC_EXEC) {
Sign *si = new Sign(_current_company);
int x = TileX(tile) * TILE_SIZE;
int y = TileY(tile) * TILE_SIZE;
si->x = x;
si->y = y;
si->z = GetSlopeZ(x, y);
if (!StrEmpty(text)) {
si->name = strdup(text);
}
si->UpdateVirtCoord();
InvalidateWindowData(WC_SIGN_LIST, 0, 0);
_new_sign_id = si->index;
}
return CommandCost();
}
/**
* Build a ship.
* @param tile tile of the depot where ship is built.
* @param flags type of operation.
* @param e the engine to build.
* @param data unused.
* @param ret[out] the vehicle that has been built.
* @return the cost of this operation or an error.
*/
CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, uint16 data, Vehicle **ret)
{
tile = GetShipDepotNorthTile(tile);
if (flags & DC_EXEC) {
int x;
int y;
const ShipVehicleInfo *svi = &e->u.ship;
Ship *v = new Ship();
*ret = v;
v->owner = _current_company;
v->tile = tile;
x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
v->x_pos = x;
v->y_pos = y;
v->z_pos = GetSlopeZ(x, y);
v->UpdateDeltaXY(v->direction);
v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
v->spritenum = svi->image_index;
v->cargo_type = e->GetDefaultCargoType();
v->cargo_cap = svi->capacity;
v->last_station_visited = INVALID_STATION;
v->engine_type = e->index;
v->reliability = e->reliability;
v->reliability_spd_dec = e->reliability_spd_dec;
v->max_age = e->GetLifeLengthInDays();
_new_vehicle_id = v->index;
v->state = TRACK_BIT_DEPOT;
v->service_interval = Company::Get(_current_company)->settings.vehicle.servint_ships;
v->date_of_last_service = _date;
v->build_year = _cur_year;
v->cur_image = SPR_IMG_QUERY;
v->random_bits = VehicleRandomBits();
v->UpdateCache();
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
v->InvalidateNewGRFCacheOfChain();
v->cargo_cap = GetVehicleCapacity(v);
v->InvalidateNewGRFCacheOfChain();
VehicleMove(v, false);
}
return CommandCost();
}
int SlopeCost(TileIndex tile, TileIndex next_tile, Trackdir trackdir)
{
/* height of the center of the current tile */
int x1 = TileX(tile) * TILE_SIZE;
int y1 = TileY(tile) * TILE_SIZE;
int z1 = GetSlopeZ(x1 + TILE_SIZE / 2, y1 + TILE_SIZE / 2);
/* height of the center of the next tile */
int x2 = TileX(next_tile) * TILE_SIZE;
int y2 = TileY(next_tile) * TILE_SIZE;
int z2 = GetSlopeZ(x2 + TILE_SIZE / 2, y2 + TILE_SIZE / 2);
if (z2 - z1 > 1) {
/* Slope up */
return Yapf().PfGetSettings().road_slope_penalty;
}
return 0;
}
/**
* Updates vehicle's Z position.
* Inclination can't change in the middle of a tile.
* The faster code is used for trains and road vehicles unless they are
* reversing on a sloped tile.
*/
FORCEINLINE void UpdateZPosition()
{
#if 0
/* The following code does this: */
if (HasBit(this->gv_flags, GVF_GOINGUP_BIT)) {
switch (this->direction) {
case DIR_NE:
this->z_pos += (this->x_pos & 1); break;
case DIR_SW:
this->z_pos += (this->x_pos & 1) ^ 1; break;
case DIR_NW:
this->z_pos += (this->y_pos & 1); break;
case DIR_SE:
this->z_pos += (this->y_pos & 1) ^ 1; break;
default: break;
}
} else if (HasBit(this->gv_flags, GVF_GOINGDOWN_BIT)) {
switch (this->direction) {
case DIR_NE:
this->z_pos -= (this->x_pos & 1); break;
case DIR_SW:
this->z_pos -= (this->x_pos & 1) ^ 1; break;
case DIR_NW:
this->z_pos -= (this->y_pos & 1); break;
case DIR_SE:
this->z_pos -= (this->y_pos & 1) ^ 1; break;
default: break;
}
}
/* But gcc 4.4.5 isn't able to nicely optimise it, and the resulting
* code is full of conditional jumps. */
#endif
/* Vehicle's Z position can change only if it has GVF_GOINGUP_BIT or GVF_GOINGDOWN_BIT set.
* Furthermore, if this function is called once every time the vehicle's position changes,
* we know the Z position changes by +/-1 at certain moments - when x_pos, y_pos is odd/even,
* depending on orientation of the slope and vehicle's direction */
if (HasBit(this->gv_flags, GVF_GOINGUP_BIT) || HasBit(this->gv_flags, GVF_GOINGDOWN_BIT)) {
if (T::From(this)->HasToUseGetSlopeZ()) {
/* In some cases, we have to use GetSlopeZ() */
this->z_pos = GetSlopeZ(this->x_pos, this->y_pos);
return;
}
/* DirToDiagDir() is a simple right shift */
DiagDirection dir = DirToDiagDir(this->direction);
/* Read variables, so the compiler knows the access doesn't trap */
int8 x_pos = this->x_pos;
int8 y_pos = this->y_pos;
/* DiagDirToAxis() is a simple mask */
int8 d = DiagDirToAxis(dir) == AXIS_X ? x_pos : y_pos;
/* We need only the least significant bit */
d &= 1;
/* Conditional "^ 1". Optimised to "(dir - 1) <= 1". */
d ^= (int8)(dir == DIAGDIR_SW || dir == DIAGDIR_SE);
/* Subtraction instead of addition because we are testing for GVF_GOINGUP_BIT.
* GVF_GOINGUP_BIT is used because it's bit 0, so simple AND can be used,
* without any shift */
this->z_pos += HasBit(this->gv_flags, GVF_GOINGUP_BIT) ? d : -d;
}
assert(this->z_pos == GetSlopeZ(this->x_pos, this->y_pos));
}
/*!
* Toplevel network safe docommand function for the current company. Must not be called recursively.
* The callback is called when the command succeeded or failed. The parameters
* tile, p1 and p2 are from the #CommandProc function. The paramater cmd is the command to execute.
* The parameter my_cmd is used to indicate if the command is from a company or the server.
*
* @param tile The tile to perform a command on (see #CommandProc)
* @param p1 Additional data for the command (see #CommandProc)
* @param p2 Additional data for the command (see #CommandProc)
* @param cmd The command to execute (a CMD_* value)
* @param callback A callback function to call after the command is finished
* @param text The text to pass
* @param my_cmd indicator if the command is from a company or server (to display error messages for a user)
* @return true if the command succeeded, else false
*/
bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text, bool my_cmd)
{
assert(_docommand_recursive == 0);
CommandCost res, res2;
int x = TileX(tile) * TILE_SIZE;
int y = TileY(tile) * TILE_SIZE;
_error_message = INVALID_STRING_ID;
StringID error_part1 = GB(cmd, 16, 16);
_additional_cash_required = 0;
/* get pointer to command handler */
byte cmd_id = cmd & CMD_ID_MASK;
assert(cmd_id < lengthof(_command_proc_table));
CommandProc *proc = _command_proc_table[cmd_id].proc;
if (proc == NULL) return false;
/* Command flags are used internally */
uint cmd_flags = GetCommandFlags(cmd);
/* Flags get send to the DoCommand */
DoCommandFlag flags = CommandFlagsToDCFlags(cmd_flags);
/* Do not even think about executing out-of-bounds tile-commands */
if (tile != 0 && (tile >= MapSize() || (!IsValidTile(tile) && (cmd_flags & CMD_ALL_TILES) == 0))) return false;
/* Always execute server and spectator commands as spectator */
if (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) _current_company = COMPANY_SPECTATOR;
CompanyID old_company = _current_company;
/* If the company isn't valid it may only do server command or start a new company!
* The server will ditch any server commands a client sends to it, so effectively
* this guards the server from executing functions for an invalid company. */
if (_game_mode == GM_NORMAL && (cmd_flags & (CMD_SPECTATOR | CMD_SERVER)) == 0 && !Company::IsValidID(_current_company)) {
if (my_cmd) ShowErrorMessage(error_part1, _error_message, x, y);
return false;
}
bool notest = (cmd_flags & CMD_NO_TEST) != 0;
_docommand_recursive = 1;
/* cost estimation only? */
if (!IsGeneratingWorld() &&
_shift_pressed &&
IsLocalCompany() &&
!(cmd & CMD_NETWORK_COMMAND) &&
cmd_id != CMD_PAUSE) {
/* estimate the cost. */
SetTownRatingTestMode(true);
res = proc(tile, flags, p1, p2, text);
SetTownRatingTestMode(false);
if (CmdFailed(res)) {
res.SetGlobalErrorMessage();
ShowErrorMessage(error_part1, _error_message, x, y);
} else {
ShowEstimatedCostOrIncome(res.GetCost(), x, y);
}
_docommand_recursive = 0;
ClearStorageChanges(false);
return false;
}
if (!((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
/* first test if the command can be executed. */
SetTownRatingTestMode(true);
res = proc(tile, flags, p1, p2, text);
SetTownRatingTestMode(false);
assert(cmd_id == CMD_COMPANY_CTRL || old_company == _current_company);
if (CmdFailed(res)) {
res.SetGlobalErrorMessage();
goto show_error;
}
/* no money? Only check if notest is off */
if (!notest && res.GetCost() != 0 && !CheckCompanyHasMoney(res)) goto show_error;
}
#ifdef ENABLE_NETWORK
/*
* If we are in network, and the command is not from the network
* send it to the command-queue and abort execution
*/
if (_networking && !(cmd & CMD_NETWORK_COMMAND)) {
NetworkSend_Command(tile, p1, p2, cmd & ~CMD_FLAGS_MASK, callback, text);
_docommand_recursive = 0;
ClearStorageChanges(false);
return true;
}
#endif /* ENABLE_NETWORK */
DEBUG(desync, 1, "cmd: %08x; %08x; %1x; %06x; %08x; %08x; %04x; %s\n", _date, _date_fract, (int)_current_company, tile, p1, p2, cmd & ~CMD_NETWORK_COMMAND, text);
/* update last build coordinate of company. */
if (tile != 0) {
Company *c = Company::GetIfValid(_current_company);
if (c != NULL) c->last_build_coordinate = tile;
}
/* Actually try and execute the command. If no cost-type is given
* use the construction one */
res2 = proc(tile, flags | DC_EXEC, p1, p2, text);
assert(cmd_id == CMD_COMPANY_CTRL || old_company == _current_company);
/* If notest is on, it means the result of the test can be different than
* the real command.. so ignore the test */
if (!notest && !((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
assert(res.GetCost() == res2.GetCost() && CmdFailed(res) == CmdFailed(res2)); // sanity check
} else {
if (CmdFailed(res2)) {
res2.SetGlobalErrorMessage();
goto show_error;
}
}
SubtractMoneyFromCompany(res2);
/* update signals if needed */
UpdateSignalsInBuffer();
if (IsLocalCompany() && _game_mode != GM_EDITOR) {
if (res2.GetCost() != 0 && tile != 0) ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2.GetCost());
if (_additional_cash_required != 0) {
SetDParam(0, _additional_cash_required);
if (my_cmd) ShowErrorMessage(error_part1, STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY, x, y);
if (res2.GetCost() == 0) goto callb_err;
}
}
_docommand_recursive = 0;
if (callback) callback(true, tile, p1, p2);
ClearStorageChanges(true);
return true;
show_error:
/* show error message if the command fails? */
if (IsLocalCompany() && error_part1 != 0 && my_cmd) {
ShowErrorMessage(error_part1, _error_message, x, y);
}
callb_err:
_docommand_recursive = 0;
if (callback) callback(false, tile, p1, p2);
ClearStorageChanges(false);
return false;
}
/** Build a ship.
* @param tile tile of depot where ship is built
* @param flags type of operation
* @param p1 ship type being built (engine)
* @param p2 unused
* @param text unused
* @return the cost of this operation or an error
*/
CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
UnitID unit_num;
if (!IsEngineBuildable(p1, VEH_SHIP, _current_company)) return_cmd_error(STR_ERROR_SHIP_NOT_AVAILABLE);
const Engine *e = Engine::Get(p1);
CommandCost value(EXPENSES_NEW_VEHICLES, e->GetCost());
/* Engines without valid cargo should not be available */
if (e->GetDefaultCargoType() == CT_INVALID) return CMD_ERROR;
if (flags & DC_QUERY_COST) return value;
/* The ai_new queries the vehicle cost before building the route,
* so we must check against cheaters no sooner than now. --pasky */
if (!IsShipDepotTile(tile)) return CMD_ERROR;
if (!IsTileOwner(tile, _current_company)) return CMD_ERROR;
unit_num = (flags & DC_AUTOREPLACE) ? 0 : GetFreeUnitNumber(VEH_SHIP);
if (!Vehicle::CanAllocateItem() || unit_num > _settings_game.vehicle.max_ships)
return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
if (flags & DC_EXEC) {
int x;
int y;
const ShipVehicleInfo *svi = &e->u.ship;
Ship *v = new Ship();
v->unitnumber = unit_num;
v->owner = _current_company;
v->tile = tile;
x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
v->x_pos = x;
v->y_pos = y;
v->z_pos = GetSlopeZ(x, y);
v->UpdateDeltaXY(v->direction);
v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;
v->spritenum = svi->image_index;
v->cargo_type = e->GetDefaultCargoType();
v->cargo_cap = svi->capacity;
v->value = value.GetCost();
v->last_station_visited = INVALID_STATION;
v->max_speed = svi->max_speed;
v->engine_type = p1;
v->reliability = e->reliability;
v->reliability_spd_dec = e->reliability_spd_dec;
v->max_age = e->GetLifeLengthInDays();
_new_vehicle_id = v->index;
v->state = TRACK_BIT_DEPOT;
v->service_interval = Company::Get(_current_company)->settings.vehicle.servint_ships;
v->date_of_last_service = _date;
v->build_year = _cur_year;
v->cur_image = SPR_IMG_QUERY;
v->random_bits = VehicleRandomBits();
if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
v->InvalidateNewGRFCacheOfChain();
v->cargo_cap = GetVehicleCapacity(v);
v->InvalidateNewGRFCacheOfChain();
VehicleMove(v, false);
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
SetWindowDirty(WC_COMPANY, v->owner);
if (IsLocalCompany()) {
InvalidateAutoreplaceWindow(v->engine_type, v->group_id); // updates the replace Ship window
}
Company::Get(_current_company)->num_engines[p1]++;
}
return value;
}
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;
}
