29 #include "table/strings.h" 42 assert(!this->IsAwarded());
44 this->awarded = company;
49 GetString(company_name, STR_COMPANY_NAME,
lastof(company_name));
51 char *cn =
stredup(company_name);
94 default: NOT_REACHED();
107 default: NOT_REACHED();
128 default: NOT_REACHED();
142 FOR_ALL_SUBSIDIES(s) {
158 FOR_ALL_SUBSIDIES(s) {
183 FOR_ALL_SUBSIDIES(s) {
341 ClrBit(town_cargo_produced, CT_PASSENGERS);
344 if (town_cargo_produced == 0)
return false;
349 FOR_EACH_SET_CARGO_ID(cid, town_cargo_produced) {
350 if (cargo_number == 0)
break;
380 if (src_ind ==
nullptr)
return false;
392 if (num_cargos == 0)
return false;
396 if (cargo_num == 0)
break;
398 assert(cargo_num == 0);
438 dst = dst_town->
index;
445 if (dst_ind ==
nullptr)
return false;
449 if (!valid)
return false;
451 dst = dst_ind->
index;
455 default: NOT_REACHED();
459 if (src_type == dst_type && src == dst)
return false;
475 bool modified =
false;
478 FOR_ALL_SUBSIDIES(s) {
509 bool passenger_subsidy =
false;
510 bool town_subsidy =
false;
511 bool industry_subsidy =
false;
521 }
while (!passenger_subsidy && n--);
522 }
else if (random_chance == 2) {
528 }
while (!town_subsidy && n--);
529 }
else if (random_chance == 3) {
535 }
while (!industry_subsidy && n--);
538 modified |= passenger_subsidy || town_subsidy || industry_subsidy;
561 if (!(
Town::Get(src)->cache.part_of_subsidy & POS_SRC))
return false;
563 default:
return false;
568 std::vector<const Town *> towns_near;
569 if (!st->
rect.IsEmpty()) {
571 FOR_ALL_SUBSIDIES(s) {
580 const Town *t = Town::GetByTile(tile);
587 bool subsidised =
false;
592 FOR_ALL_SUBSIDIES(s) {
605 for (
const Town *tp : towns_near) {
606 if (s->
dst == tp->index) {
607 assert(tp->cache.part_of_subsidy &
POS_DST);
Functions related to OTTD's strings.
SourceType
Types of cargo source and destination.
Owner
Enum for all companies/owners.
Iterator to iterate over all tiles belonging to a bitmaptilearea.
static bool CheckSubsidyDuplicate(CargoID cargo, SourceType src_type, SourceID src, SourceType dst_type, SourceID dst)
Check whether a specific subsidy already exists.
Source/destination is a town.
News about subsidies (announcements, expirations, acceptance)
GameSettings _settings_game
Game settings of a running game or the scenario editor.
static void NewEvent(class ScriptEvent *event)
Queue a new event for a Game Script.
static const uint SUBSIDY_CONTRACT_MONTHS
Duration of subsidy after awarding.
Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode)
Setup the string parameters for printing the subsidy at the screen, and compute the news reference fo...
PartOfSubsidy part_of_subsidy
Is this town a source/destination of a subsidy?
CompanyID awarded
Subsidy is awarded to this company; INVALID_COMPANY if it's not awarded to anyone.
SourceID src
Index of source. Either TownID or IndustryID.
static const uint SUBSIDY_OFFER_MONTHS
Constants related to subsidies.
bool IsAwarded() const
Tests whether this subsidy has been awarded to someone.
static Titem * Get(size_t index)
Returns Titem with given index.
SourceType dst_type
Destination of subsidised path (ST_INDUSTRY or ST_TOWN)
void SubsidyMonthlyLoop()
Perform the monthly update of open subsidies, and try to create a new one.
static const CommandCost CMD_ERROR
Define a default return value for a failed command.
Maximal number of cargo types in a game.
SourceID dst
Index of destination. Either TownID or IndustryID.
CargoTypes cargo_produced
Bitmap of all cargoes produced by houses in this town.
void AwardTo(CompanyID company)
Marks subsidy as awarded, creates news and AI event.
Specification of a cargo type.
bool FindSubsidyCargoDestination(CargoID cid, SourceType src_type, SourceID src)
Tries to find a suitable destination for the given source and cargo.
CargoTypes _town_cargoes_accepted
Bitmap of all cargoes accepted by houses.
StationRect rect
NOSAVE: Station spread out rectangle maintained by StationRect::xxx() functions.
Defines the internal data of a functional industry.
DifficultySettings difficulty
settings related to the difficulty
static void BroadcastNewEvent(ScriptEvent *event, CompanyID skip_company=MAX_COMPANIES)
Broadcast a new event to all active AIs.
Tindex index
Index of this pool item.
StringID name_single
Name of a single entity of this type of cargo.
Manual distribution. No link graph calculations are run.
static const uint SUBSIDY_MAX_PCT_TRANSPORTED
Subsidy will be created only for towns/industries with less % transported.
byte subsidy_multiplier
amount of subsidy
DistributionType distribution_default
distribution type for all other goods
#define lastof(x)
Get the last element of an fixed size array.
Common return value for all commands.
static Industry * GetRandom()
Return a random valid industry.
uint32 population
Current population of people.
bool FindSubsidyTownCargoRoute()
Tries to create a cargo subsidy with a town as source.
void DeleteSubsidyWith(SourceType type, SourceID index)
Delete the subsidies associated with a given cargo source type and id.
StringID name
Name of this type of cargo.
static uint32 RandomRange(uint32 limit)
Pick a random number between 0 and limit - 1, inclusive.
static const SourceID INVALID_SOURCE
Invalid/unknown index of source.
bit 1 set -> town/industry is destination of subsidised path
Pseudo random number generator.
static const uint SUBSIDY_CARGO_MIN_POPULATION
Min. population of destination town for cargo route.
void CreateSubsidy(CargoID cid, SourceType src_type, SourceID src, SourceType dst_type, SourceID dst)
Creates a subsidy with the given parameters.
void SetDParamStr(uint n, const char *str)
This function is used to "bind" a C string to a OpenTTD dparam slot.
Functions related to low-level strings.
Some methods of Pool are placed here in order to reduce compilation time and binary size...
static const int MAX_CHAR_LENGTH
Max. length of UTF-8 encoded unicode character.
uint8 valid
Bits indicating what variable is valid (for each bit, 0 is invalid, 1 is valid).
DistributionType distribution_mail
distribution type for mail
TileIndex xy
town center tile
static bool IsTileType(TileIndex tile, TileType type)
Checks if a tile is a given tiletype.
PartOfSubsidy part_of_subsidy
NOSAVE: is this industry a source/destination of a subsidy?
CommandCost CmdCreateSubsidy(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Create a new subsidy.
bool FindSubsidyPassengerRoute()
Tries to create a passenger subsidy between two towns.
IndustryList industries_near
Cached list of industries near the station that can accept cargo,.
DoCommandFlag
List of flags for a command.
Definition of base types and functions in a cross-platform compatible way.
static const uint MAX_LENGTH_COMPANY_NAME_CHARS
The maximum length of a company name in characters including '\0'.
A number of safeguards to prevent using unsafe methods.
static Town * GetRandom()
Return a random valid town.
static const uint SUBSIDY_MAX_DISTANCE
Max. length of subsidised route (DistanceManhattan)
uint16 last_month_production[INDUSTRY_NUM_OUTPUTS]
total units produced per cargo in the last full month
char * stredup(const char *s, const char *last)
Create a duplicate of the given string.
CargoID produced_cargo[INDUSTRY_NUM_OUTPUTS]
16 production cargo slots
Normal news item. (Newspaper with text only)
Subsidies list; Window numbers:
CargoID accepts_cargo[INDUSTRY_NUM_INPUTS]
16 input cargo slots
#define lengthof(x)
Return the length of an fixed size array.
bool FindSubsidyIndustryCargoRoute()
Tries to create a cargo subsidy with an industry as source.
CargoTypes cargo_accepted_total
NOSAVE: Bitmap of all cargoes accepted by houses in this town.
bool CheckSubsidised(CargoID cargo_type, CompanyID company, SourceType src_type, SourceID src, const Station *st)
Tests whether given delivery is subsidised and possibly awards the subsidy to delivering company...
SubsidyPool _subsidy_pool("Subsidy")
Pool for the subsidies.
CargoID cargo_type
Cargo type involved in this subsidy, CT_INVALID for invalid subsidy.
DistributionType distribution_armoured
distribution type for armoured cargo class
Base class for all pools.
Struct about subsidies, offered and awarded.
static bool Chance16(const uint a, const uint b)
Flips a coin with given probability.
bit 0 set -> town/industry is source of subsidised path
#define INSTANTIATE_POOL_METHODS(name)
Force instantiation of pool methods so we don't get linker errors.
execute the given command
Functions related to companies.
static T ClrBit(T &x, const uint8 y)
Clears a bit in a variable.
void InjectDParam(uint amount)
Shift the string parameters in the global string parameter array by amount positions, making room at the beginning.
DistributionType distribution_pax
distribution type for passengers
Reference town. Scroll to town when clicking on the news.
static CargoSpec * Get(size_t index)
Retrieve cargo details for the given cargo ID.
uint32 TileIndex
The index/ID of a Tile.
uint DistanceManhattan(TileIndex t0, TileIndex t1)
Gets the Manhattan distance between the two given tiles.
bool include(std::vector< T > &vec, const T &item)
Helper function to append an item to a vector if it is not already contained Consider using std::set...
uint16 SourceID
Contains either industry ID, town ID or company ID (or INVALID_SOURCE)
void RebuildSubsidisedSourceAndDestinationCache()
Perform a full rebuild of the subsidies cache.
static uint GB(const T x, const uint8 s, const uint8 n)
Fetch n bits from x, started at bit s.
SourceType src_type
Source of subsidised path (ST_INDUSTRY or ST_TOWN)
BitmapTileArea catchment_tiles
NOSAVE: Set of individual tiles covered by catchment area.
TownCache cache
Container for all cacheable data.
#define endof(x)
Get the end element of an fixed size array.
static bool CanAllocateItem(size_t n=1)
Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function() ...
static bool CheckSubsidyDistance(SourceType src_type, SourceID src, SourceType dst_type, SourceID dst)
Checks if the source and destination of a subsidy are inside the distance limit.
static uint CountBits(T value)
Counts the number of set bits in a variable.
Base functions for all Games.
Functions related to commands.
static void SetPartOfSubsidyFlag(SourceType type, SourceID index, PartOfSubsidy flag)
Sets a flag indicating that given town/industry is part of subsidised route.
CompanyID _current_company
Company currently doing an action.
static bool IsValidID(size_t index)
Tests whether given index can be used to get valid (non-nullptr) Titem.
NewsReferenceType
References to objects in news.
static bool HasBit(const T x, const uint8 y)
Checks if a bit in a value is set.
Base functions for all AIs.
void AddNewsItem(StringID string, NewsType type, NewsFlag flags, NewsReferenceType reftype1=NR_NONE, uint32 ref1=UINT32_MAX, NewsReferenceType reftype2=NR_NONE, uint32 ref2=UINT32_MAX, void *free_data=nullptr)
Add a new newsitem to be shown.
static const TileIndex INVALID_TILE
The very nice invalid tile marker.
Reference industry. Scroll to industry when clicking on the news. Delete news when industry is delete...
byte CargoID
Cargo slots to indicate a cargo type within a game.
PartOfSubsidy
What part of a subsidy is something?
byte remaining
Remaining months when this subsidy is valid.
Window functions not directly related to making/drawing windows.
byte last_month_pct_transported[INDUSTRY_NUM_OUTPUTS]
percentage transported per cargo in the last full month
static const uint SUBSIDY_PAX_MIN_POPULATION
Min. population of towns for subsidised pax route.
Functions related to news.
Base classes/functions for stations.
CompanyID _local_company
Company controlled by the human player at this client. Can also be COMPANY_SPECTATOR.
The object is owned by a superuser / goal script.
Functions related to subsidies.
LinkGraphSettings linkgraph
settings for link graph calculations
void InvalidateWindowData(WindowClass cls, WindowNumber number, int data, bool gui_scope)
Mark window data of the window of a given class and specific window number as invalid (in need of re-...
Source/destination is an industry.
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.