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(svn r16403) -Codechange: move code related to subsidies to separate file

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This commit is contained in:
smatz 2009-05-23 15:46:00 +00:00
parent f2317d0d9d
commit b2aed51f8e
18 changed files with 435 additions and 354 deletions
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12
projects/openttd_vs80.vcproj
View File

@ -719,6 +719,10 @@
RelativePath=".\..\src\strings.cpp"
>
</File>
<File
RelativePath=".\..\src\subsidy.cpp"
>
</File>
<File
RelativePath=".\..\src\texteff.cpp"
>
@ -1443,6 +1447,14 @@
RelativePath=".\..\src\strings_type.h"
>
</File>
<File
RelativePath=".\..\src\subsidy_func.h"
>
</File>
<File
RelativePath=".\..\src\subsidy_type.h"
>
</File>
<File
RelativePath=".\..\src\tar_type.h"
>

12
projects/openttd_vs90.vcproj
View File

@ -716,6 +716,10 @@
RelativePath=".\..\src\strings.cpp"
>
</File>
<File
RelativePath=".\..\src\subsidy.cpp"
>
</File>
<File
RelativePath=".\..\src\texteff.cpp"
>
@ -1440,6 +1444,14 @@
RelativePath=".\..\src\strings_type.h"
>
</File>
<File
RelativePath=".\..\src\subsidy_func.h"
>
</File>
<File
RelativePath=".\..\src\subsidy_type.h"
>
</File>
<File
RelativePath=".\..\src\tar_type.h"
>

3
source.list
View File

@ -74,6 +74,7 @@ spritecache.cpp
station.cpp
string.cpp
strings.cpp
subsidy.cpp
texteff.cpp
tgp.cpp
#if HAVE_THREAD
@ -291,6 +292,8 @@ string_func.h
string_type.h
strings_func.h
strings_type.h
subsidy_func.h
subsidy_type.h
tar_type.h
terraform_gui.h
textbuf_gui.h

2
src/ai/api/ai_subsidy.cpp
View File

@ -4,7 +4,7 @@
#include "ai_subsidy.hpp"
#include "ai_date.hpp"
#include "../../economy_func.h"
#include "../../subsidy_type.h"
#include "../../station_base.h"
#include "../../cargotype.h"

2
src/ai/api/ai_subsidylist.cpp
View File

@ -4,7 +4,7 @@
#include "ai_subsidylist.hpp"
#include "ai_subsidy.hpp"
#include "../../economy_func.h"
#include "../../subsidy_type.h"
AISubsidyList::AISubsidyList()
{

2
src/date.cpp
View File

@ -163,6 +163,7 @@ extern void EnginesMonthlyLoop();
extern void TownsMonthlyLoop();
extern void IndustryMonthlyLoop();
extern void StationMonthlyLoop();
extern void SubsidyMonthlyLoop();
extern void CompaniesYearlyLoop();
extern void VehiclesYearlyLoop();
@ -249,6 +250,7 @@ void IncreaseDate()
InvalidateWindowClasses(WC_CHEATS);
CompaniesMonthlyLoop();
SubsidyMonthlyLoop();
EnginesMonthlyLoop();
TownsMonthlyLoop();
IndustryMonthlyLoop();

339
src/economy.cpp
View File

@ -33,6 +33,7 @@
#include "autoreplace_func.h"
#include "company_gui.h"
#include "signs_base.h"
#include "subsidy_func.h"
#include "table/strings.h"
#include "table/sprites.h"
@ -87,7 +88,6 @@ const ScoreInfo _score_info[] = {
int _score_part[MAX_COMPANIES][SCORE_END];
Economy _economy;
Subsidy _subsidies[MAX_COMPANIES];
Prices _price;
uint16 _price_frac[NUM_PRICES];
Money _cargo_payment_rates[NUM_CARGO];
@ -857,274 +857,6 @@ Money GetPriceByIndex(uint8 index)
return ((Money*)&_price)[index];
}
Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode)
{
TileIndex tile;
TileIndex tile2;
Pair tp;
/* if mode is false, use the singular form */
const CargoSpec *cs = GetCargo(s->cargo_type);
SetDParam(0, mode ? cs->name : cs->name_single);
if (s->age < 12) {
if (cs->town_effect != TE_PASSENGERS && cs->town_effect != TE_MAIL) {
SetDParam(1, STR_INDUSTRY);
SetDParam(2, s->from);
tile = Industry::Get(s->from)->xy;
if (cs->town_effect != TE_GOODS && cs->town_effect != TE_FOOD) {
SetDParam(4, STR_INDUSTRY);
SetDParam(5, s->to);
tile2 = Industry::Get(s->to)->xy;
} else {
SetDParam(4, STR_TOWN);
SetDParam(5, s->to);
tile2 = Town::Get(s->to)->xy;
}
} else {
SetDParam(1, STR_TOWN);
SetDParam(2, s->from);
tile = Town::Get(s->from)->xy;
SetDParam(4, STR_TOWN);
SetDParam(5, s->to);
tile2 = Town::Get(s->to)->xy;
}
} else {
SetDParam(1, s->from);
tile = Station::Get(s->from)->xy;
SetDParam(2, s->to);
tile2 = Station::Get(s->to)->xy;
}
tp.a = tile;
tp.b = tile2;
return tp;
}
void DeleteSubsidyWithTown(TownID index)
{
Subsidy *s;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age < 12) {
const CargoSpec *cs = GetCargo(s->cargo_type);
if (((cs->town_effect == TE_PASSENGERS || cs->town_effect == TE_MAIL) && (index == s->from || index == s->to)) ||
((cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) && index == s->to)) {
s->cargo_type = CT_INVALID;
}
}
}
}
void DeleteSubsidyWithIndustry(IndustryID index)
{
Subsidy *s;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age < 12) {
const CargoSpec *cs = GetCargo(s->cargo_type);
if (cs->town_effect != TE_PASSENGERS && cs->town_effect != TE_MAIL &&
(index == s->from || (cs->town_effect != TE_GOODS && cs->town_effect != TE_FOOD && index == s->to))) {
s->cargo_type = CT_INVALID;
}
}
}
}
void DeleteSubsidyWithStation(StationID index)
{
Subsidy *s;
bool dirty = false;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age >= 12 &&
(s->from == index || s->to == index)) {
s->cargo_type = CT_INVALID;
dirty = true;
}
}
if (dirty)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
struct FoundRoute {
uint distance;
CargoID cargo;
void *from;
void *to;
};
static void FindSubsidyPassengerRoute(FoundRoute *fr)
{
Town *from, *to;
fr->distance = UINT_MAX;
fr->from = from = GetRandomTown();
if (from == NULL || from->population < 400) return;
fr->to = to = GetRandomTown();
if (from == to || to == NULL || to->population < 400 || to->pct_pass_transported > 42)
return;
fr->distance = DistanceManhattan(from->xy, to->xy);
}
static void FindSubsidyCargoRoute(FoundRoute *fr)
{
Industry *i;
int trans, total;
CargoID cargo;
fr->distance = UINT_MAX;
fr->from = i = GetRandomIndustry();
if (i == NULL) return;
/* Randomize cargo type */
if (HasBit(Random(), 0) && i->produced_cargo[1] != CT_INVALID) {
cargo = i->produced_cargo[1];
trans = i->last_month_pct_transported[1];
total = i->last_month_production[1];
} else {
cargo = i->produced_cargo[0];
trans = i->last_month_pct_transported[0];
total = i->last_month_production[0];
}
/* Quit if no production in this industry
* or if the cargo type is passengers
* or if the pct transported is already large enough */
if (total == 0 || trans > 42 || cargo == CT_INVALID) return;
const CargoSpec *cs = GetCargo(cargo);
if (cs->town_effect == TE_PASSENGERS) return;
fr->cargo = cargo;
if (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) {
/* The destination is a town */
Town *t = GetRandomTown();
/* Only want big towns */
if (t == NULL || t->population < 900) return;
fr->distance = DistanceManhattan(i->xy, t->xy);
fr->to = t;
} else {
/* The destination is an industry */
Industry *i2 = GetRandomIndustry();
/* The industry must accept the cargo */
if (i2 == NULL || i == i2 ||
(cargo != i2->accepts_cargo[0] &&
cargo != i2->accepts_cargo[1] &&
cargo != i2->accepts_cargo[2])) {
return;
}
fr->distance = DistanceManhattan(i->xy, i2->xy);
fr->to = i2;
}
}
static bool CheckSubsidyDuplicate(Subsidy *s)
{
const Subsidy *ss;
for (ss = _subsidies; ss != endof(_subsidies); ss++) {
if (s != ss &&
ss->from == s->from &&
ss->to == s->to &&
ss->cargo_type == s->cargo_type) {
s->cargo_type = CT_INVALID;
return true;
}
}
return false;
}
static void SubsidyMonthlyHandler()
{
Subsidy *s;
Pair pair;
Station *st;
uint n;
FoundRoute fr;
bool modified = false;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == CT_INVALID) continue;
if (s->age == 12 - 1) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_NEWS_OFFER_OF_SUBSIDY_EXPIRED, NS_SUBSIDIES, pair.a, pair.b);
s->cargo_type = CT_INVALID;
modified = true;
AI::BroadcastNewEvent(new AIEventSubsidyOfferExpired(s - _subsidies));
} else if (s->age == 2 * 12 - 1) {
st = Station::Get(s->to);
if (st->owner == _local_company) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_NEWS_SUBSIDY_WITHDRAWN_SERVICE, NS_SUBSIDIES, pair.a, pair.b);
}
s->cargo_type = CT_INVALID;
modified = true;
AI::BroadcastNewEvent(new AIEventSubsidyExpired(s - _subsidies));
} else {
s->age++;
}
}
/* 25% chance to go on */
if (Chance16(1, 4)) {
/* Find a free slot*/
s = _subsidies;
while (s->cargo_type != CT_INVALID) {
if (++s == endof(_subsidies))
goto no_add;
}
n = 1000;
do {
FindSubsidyPassengerRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = CT_PASSENGERS;
s->from = ((Town*)fr.from)->index;
s->to = ((Town*)fr.to)->index;
goto add_subsidy;
}
FindSubsidyCargoRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = fr.cargo;
s->from = ((Industry*)fr.from)->index;
{
const CargoSpec *cs = GetCargo(fr.cargo);
s->to = (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) ? ((Town*)fr.to)->index : ((Industry*)fr.to)->index;
}
add_subsidy:
if (!CheckSubsidyDuplicate(s)) {
s->age = 0;
pair = SetupSubsidyDecodeParam(s, 0);
AddNewsItem(STR_NEWS_SERVICE_SUBSIDY_OFFERED, NS_SUBSIDIES, pair.a, pair.b);
AI::BroadcastNewEvent(new AIEventSubsidyOffer(s - _subsidies));
modified = true;
break;
}
}
} while (n--);
}
no_add:;
if (modified)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
{
const CargoSpec *cs = GetCargo(cargo_type);
@ -1173,7 +905,6 @@ Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, C
return BigMulS(dist * time_factor * num_pieces, _cargo_payment_rates[cargo_type], 21);
}
struct FindIndustryToDeliverData {
const Rect *rect; ///< Station acceptance rectangle
CargoID cargo_type; ///< Cargo type that was delivered
@ -1273,73 +1004,6 @@ static void DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, int nu
}
}
static bool CheckSubsidised(Station *from, Station *to, CargoID cargo_type)
{
Subsidy *s;
TileIndex xy;
Pair pair;
/* check if there is an already existing subsidy that applies to us */
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == cargo_type &&
s->age >= 12 &&
s->from == from->index &&
s->to == to->index) {
return true;
}
}
/* check if there's a new subsidy that applies.. */
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == cargo_type && s->age < 12) {
/* Check distance from source */
const CargoSpec *cs = GetCargo(cargo_type);
if (cs->town_effect == TE_PASSENGERS || cs->town_effect == TE_MAIL) {
xy = Town::Get(s->from)->xy;
} else {
xy = Industry::Get(s->from)->xy;
}
if (DistanceMax(xy, from->xy) > 9) continue;
/* Check distance from dest */
switch (cs->town_effect) {
case TE_PASSENGERS:
case TE_MAIL:
case TE_GOODS:
case TE_FOOD:
xy = Town::Get(s->to)->xy;
break;
default:
xy = Industry::Get(s->to)->xy;
break;
}
if (DistanceMax(xy, to->xy) > 9) continue;
/* Found a subsidy, change the values to indicate that it's in use */
s->age = 12;
s->from = from->index;
s->to = to->index;
/* Add a news item */
pair = SetupSubsidyDecodeParam(s, 0);
InjectDParam(1);
SetDParam(0, _current_company);
AddNewsItem(
STR_NEWS_SERVICE_SUBSIDY_AWARDED_HALF + _settings_game.difficulty.subsidy_multiplier,
NS_SUBSIDIES,
pair.a, pair.b
);
AI::BroadcastNewEvent(new AIEventSubsidyAwarded(s - _subsidies));
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
return true;
}
}
return false;
}
/**
* Delivers goods to industries/towns and calculates the payment
* @param num_pieces amount of cargo delivered
@ -1826,7 +1490,6 @@ void CompaniesMonthlyLoop()
/* Reset the _current_company flag */
_current_company = OWNER_NONE;
HandleEconomyFluctuations();
SubsidyMonthlyHandler();
}
static void DoAcquireCompany(Company *c)

5
src/economy_func.h
View File

@ -22,7 +22,6 @@ void ResetEconomy();
extern const ScoreInfo _score_info[];
extern int _score_part[MAX_COMPANIES][SCORE_END];
extern Economy _economy;
extern Subsidy _subsidies[MAX_COMPANIES];
/* Prices and also the fractional part. */
extern Prices _price;
extern uint16 _price_frac[NUM_PRICES];
@ -30,10 +29,6 @@ extern Money _cargo_payment_rates[NUM_CARGO];
extern uint16 _cargo_payment_rates_frac[NUM_CARGO];
int UpdateCompanyRatingAndValue(Company *c, bool update);
Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode);
void DeleteSubsidyWithTown(TownID index);
void DeleteSubsidyWithIndustry(IndustryID index);
void DeleteSubsidyWithStation(StationID index);
void StartupIndustryDailyChanges(bool init_counter);
Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type);

8
src/economy_type.h
View File

@ -23,14 +23,6 @@ struct Economy {
uint32 industry_daily_increment; ///< The value which will increment industry_daily_change_counter. Computed value. NOSAVE
};
struct Subsidy {
CargoID cargo_type;
byte age;
/* from and to can either be TownID, StationID or IndustryID */
uint16 from;
uint16 to;
};
enum ScoreID {
SCORE_BEGIN = 0,
SCORE_VEHICLES = 0,

1
src/industry_cmd.cpp
View File

@ -34,6 +34,7 @@
#include "effectvehicle_func.h"
#include "ai/ai.hpp"
#include "core/pool_func.hpp"
#include "subsidy_func.h"
#include "table/strings.h"
#include "table/industry_land.h"

1
src/saveload/oldloader_sl.cpp
View File

@ -11,6 +11,7 @@
#include "../ship.h"
#include "../train.h"
#include "../signs_base.h"
#include "../subsidy_type.h"
#include "../debug.h"
#include "../depot_base.h"
#include "../newgrf_config.h"

2
src/saveload/subsidy_sl.cpp
View File

@ -3,7 +3,7 @@
/** @file subsidy_sl.cpp Code handling saving and loading of subsidies */
#include "../stdafx.h"
#include "../economy_func.h"
#include "../subsidy_type.h"
#include "saveload.h"

1
src/station.cpp
View File

@ -20,6 +20,7 @@
#include "aircraft.h"
#include "vehicle_gui.h"
#include "settings_type.h"
#include "subsidy_func.h"
#include "core/pool_func.hpp"
#include "table/strings.h"

354
src/subsidy.cpp Normal file
View File

@ -0,0 +1,354 @@
/* $Id$ */
/** @file subsidy.cpp Handling of subsidies. */
#include "stdafx.h"
#include "company_func.h"
#include "industry.h"
#include "map_func.h"
#include "town.h"
#include "news_func.h"
#include "ai/ai.hpp"
#include "station_base.h"
#include "cargotype.h"
#include "strings_func.h"
#include "window_func.h"
#include "subsidy_type.h"
#include "table/strings.h"
Subsidy _subsidies[MAX_COMPANIES];
Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode)
{
TileIndex tile;
TileIndex tile2;
Pair tp;
/* if mode is false, use the singular form */
const CargoSpec *cs = GetCargo(s->cargo_type);
SetDParam(0, mode ? cs->name : cs->name_single);
if (s->age < 12) {
if (cs->town_effect != TE_PASSENGERS && cs->town_effect != TE_MAIL) {
SetDParam(1, STR_INDUSTRY);
SetDParam(2, s->from);
tile = Industry::Get(s->from)->xy;
if (cs->town_effect != TE_GOODS && cs->town_effect != TE_FOOD) {
SetDParam(4, STR_INDUSTRY);
SetDParam(5, s->to);
tile2 = Industry::Get(s->to)->xy;
} else {
SetDParam(4, STR_TOWN);
SetDParam(5, s->to);
tile2 = Town::Get(s->to)->xy;
}
} else {
SetDParam(1, STR_TOWN);
SetDParam(2, s->from);
tile = Town::Get(s->from)->xy;
SetDParam(4, STR_TOWN);
SetDParam(5, s->to);
tile2 = Town::Get(s->to)->xy;
}
} else {
SetDParam(1, s->from);
tile = Station::Get(s->from)->xy;
SetDParam(2, s->to);
tile2 = Station::Get(s->to)->xy;
}
tp.a = tile;
tp.b = tile2;
return tp;
}
void DeleteSubsidyWithTown(TownID index)
{
Subsidy *s;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age < 12) {
const CargoSpec *cs = GetCargo(s->cargo_type);
if (((cs->town_effect == TE_PASSENGERS || cs->town_effect == TE_MAIL) && (index == s->from || index == s->to)) ||
((cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) && index == s->to)) {
s->cargo_type = CT_INVALID;
}
}
}
}
void DeleteSubsidyWithIndustry(IndustryID index)
{
Subsidy *s;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age < 12) {
const CargoSpec *cs = GetCargo(s->cargo_type);
if (cs->town_effect != TE_PASSENGERS && cs->town_effect != TE_MAIL &&
(index == s->from || (cs->town_effect != TE_GOODS && cs->town_effect != TE_FOOD && index == s->to))) {
s->cargo_type = CT_INVALID;
}
}
}
}
void DeleteSubsidyWithStation(StationID index)
{
Subsidy *s;
bool dirty = false;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != CT_INVALID && s->age >= 12 &&
(s->from == index || s->to == index)) {
s->cargo_type = CT_INVALID;
dirty = true;
}
}
if (dirty)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
struct FoundRoute {
uint distance;
CargoID cargo;
void *from;
void *to;
};
static void FindSubsidyPassengerRoute(FoundRoute *fr)
{
Town *from, *to;
fr->distance = UINT_MAX;
fr->from = from = GetRandomTown();
if (from == NULL || from->population < 400) return;
fr->to = to = GetRandomTown();
if (from == to || to == NULL || to->population < 400 || to->pct_pass_transported > 42)
return;
fr->distance = DistanceManhattan(from->xy, to->xy);
}
static void FindSubsidyCargoRoute(FoundRoute *fr)
{
Industry *i;
int trans, total;
CargoID cargo;
fr->distance = UINT_MAX;
fr->from = i = GetRandomIndustry();
if (i == NULL) return;
/* Randomize cargo type */
if (HasBit(Random(), 0) && i->produced_cargo[1] != CT_INVALID) {
cargo = i->produced_cargo[1];
trans = i->last_month_pct_transported[1];
total = i->last_month_production[1];
} else {
cargo = i->produced_cargo[0];
trans = i->last_month_pct_transported[0];
total = i->last_month_production[0];
}
/* Quit if no production in this industry
* or if the cargo type is passengers
* or if the pct transported is already large enough */
if (total == 0 || trans > 42 || cargo == CT_INVALID) return;
const CargoSpec *cs = GetCargo(cargo);
if (cs->town_effect == TE_PASSENGERS) return;
fr->cargo = cargo;
if (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) {
/* The destination is a town */
Town *t = GetRandomTown();
/* Only want big towns */
if (t == NULL || t->population < 900) return;
fr->distance = DistanceManhattan(i->xy, t->xy);
fr->to = t;
} else {
/* The destination is an industry */
Industry *i2 = GetRandomIndustry();
/* The industry must accept the cargo */
if (i2 == NULL || i == i2 ||
(cargo != i2->accepts_cargo[0] &&
cargo != i2->accepts_cargo[1] &&
cargo != i2->accepts_cargo[2])) {
return;
}
fr->distance = DistanceManhattan(i->xy, i2->xy);
fr->to = i2;
}
}
static bool CheckSubsidyDuplicate(Subsidy *s)
{
const Subsidy *ss;
for (ss = _subsidies; ss != endof(_subsidies); ss++) {
if (s != ss &&
ss->from == s->from &&
ss->to == s->to &&
ss->cargo_type == s->cargo_type) {
s->cargo_type = CT_INVALID;
return true;
}
}
return false;
}
void SubsidyMonthlyLoop()
{
Subsidy *s;
Pair pair;
Station *st;
uint n;
FoundRoute fr;
bool modified = false;
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == CT_INVALID) continue;
if (s->age == 12 - 1) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_NEWS_OFFER_OF_SUBSIDY_EXPIRED, NS_SUBSIDIES, pair.a, pair.b);
s->cargo_type = CT_INVALID;
modified = true;
AI::BroadcastNewEvent(new AIEventSubsidyOfferExpired(s - _subsidies));
} else if (s->age == 2 * 12 - 1) {
st = Station::Get(s->to);
if (st->owner == _local_company) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_NEWS_SUBSIDY_WITHDRAWN_SERVICE, NS_SUBSIDIES, pair.a, pair.b);
}
s->cargo_type = CT_INVALID;
modified = true;
AI::BroadcastNewEvent(new AIEventSubsidyExpired(s - _subsidies));
} else {
s->age++;
}
}
/* 25% chance to go on */
if (Chance16(1, 4)) {
/* Find a free slot*/
s = _subsidies;
while (s->cargo_type != CT_INVALID) {
if (++s == endof(_subsidies))
goto no_add;
}
n = 1000;
do {
FindSubsidyPassengerRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = CT_PASSENGERS;
s->from = ((Town*)fr.from)->index;
s->to = ((Town*)fr.to)->index;
goto add_subsidy;
}
FindSubsidyCargoRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = fr.cargo;
s->from = ((Industry*)fr.from)->index;
{
const CargoSpec *cs = GetCargo(fr.cargo);
s->to = (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) ? ((Town*)fr.to)->index : ((Industry*)fr.to)->index;
}
add_subsidy:
if (!CheckSubsidyDuplicate(s)) {
s->age = 0;
pair = SetupSubsidyDecodeParam(s, 0);
AddNewsItem(STR_NEWS_SERVICE_SUBSIDY_OFFERED, NS_SUBSIDIES, pair.a, pair.b);
AI::BroadcastNewEvent(new AIEventSubsidyOffer(s - _subsidies));
modified = true;
break;
}
}
} while (n--);
}
no_add:;
if (modified)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
bool CheckSubsidised(Station *from, Station *to, CargoID cargo_type)
{
Subsidy *s;
TileIndex xy;
Pair pair;
/* check if there is an already existing subsidy that applies to us */
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == cargo_type &&
s->age >= 12 &&
s->from == from->index &&
s->to == to->index) {
return true;
}
}
/* check if there's a new subsidy that applies.. */
for (s = _subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type == cargo_type && s->age < 12) {
/* Check distance from source */
const CargoSpec *cs = GetCargo(cargo_type);
if (cs->town_effect == TE_PASSENGERS || cs->town_effect == TE_MAIL) {
xy = Town::Get(s->from)->xy;
} else {
xy = Industry::Get(s->from)->xy;
}
if (DistanceMax(xy, from->xy) > 9) continue;
/* Check distance from dest */
switch (cs->town_effect) {
case TE_PASSENGERS:
case TE_MAIL:
case TE_GOODS:
case TE_FOOD:
xy = Town::Get(s->to)->xy;
break;
default:
xy = Industry::Get(s->to)->xy;
break;
}
if (DistanceMax(xy, to->xy) > 9) continue;
/* Found a subsidy, change the values to indicate that it's in use */
s->age = 12;
s->from = from->index;
s->to = to->index;
/* Add a news item */
pair = SetupSubsidyDecodeParam(s, 0);
InjectDParam(1);
SetDParam(0, _current_company);
AddNewsItem(
STR_NEWS_SERVICE_SUBSIDY_AWARDED_HALF + _settings_game.difficulty.subsidy_multiplier,
NS_SUBSIDIES,
pair.a, pair.b
);
AI::BroadcastNewEvent(new AIEventSubsidyAwarded(s - _subsidies));
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
return true;
}
}
return false;
}

22
src/subsidy_func.h Normal file
View File

@ -0,0 +1,22 @@
/* $Id$ */
/** @file subsidy_func.h Functions related to subsidies. */
#ifndef SUBSIDY_FUNC_H
#define SUBSIDY_FUNC_H
#include "core/geometry_type.hpp"
#include "station_type.h"
#include "town_type.h"
#include "industry_type.h"
#include "company_type.h"
#include "subsidy_type.h"
Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode);
void DeleteSubsidyWithTown(TownID index);
void DeleteSubsidyWithIndustry(IndustryID index);
void DeleteSubsidyWithStation(StationID index);
bool CheckSubsidised(Station *from, Station *to, CargoID cargo_type);
void SubsidyMonthlyHandler();
#endif /* SUBSIDY_FUNC_H */

1
src/subsidy_gui.cpp
View File

@ -14,6 +14,7 @@
#include "viewport_func.h"
#include "gfx_func.h"
#include "gui.h"
#include "subsidy_func.h"
#include "table/strings.h"

21
src/subsidy_type.h Normal file
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@ -0,0 +1,21 @@
/* $Id$ */
/** @file subsidy_type.h Types related to subsidies. */
#ifndef SUBSIDY_TYPE_H
#define SUBSIDY_TYPE_H
#include "cargo_type.h"
#include "company_type.h"
struct Subsidy {
CargoID cargo_type;
byte age;
/* from and to can either be TownID, StationID or IndustryID */
uint16 from;
uint16 to;
};
extern Subsidy _subsidies[MAX_COMPANIES];
#endif /* SUBSIDY_TYPE_H */

1
src/town_cmd.cpp
View File

@ -40,6 +40,7 @@
#include "functions.h"
#include "animated_tile_func.h"
#include "date_func.h"
#include "subsidy_func.h"
#include "core/smallmap_type.hpp"
#include "core/pool_func.hpp"