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-rw-r--r--src/ai/api/ai_subsidy.cpp29
-rw-r--r--src/cargo_type.h14
-rw-r--r--src/economy.cpp2
-rw-r--r--src/industry_cmd.cpp2
-rw-r--r--src/saveload/afterload.cpp49
-rw-r--r--src/saveload/oldloader_sl.cpp4
-rw-r--r--src/saveload/subsidy_sl.cpp8
-rw-r--r--src/station.cpp4
-rw-r--r--src/subsidy.cpp147
-rw-r--r--src/subsidy_base.h10
-rw-r--r--src/subsidy_func.h4
-rw-r--r--src/subsidy_gui.cpp33
-rw-r--r--src/town_cmd.cpp2
13 files changed, 147 insertions, 161 deletions
diff --git a/src/ai/api/ai_subsidy.cpp b/src/ai/api/ai_subsidy.cpp
index 6e43982c3..fd3e29745 100644
--- a/src/ai/api/ai_subsidy.cpp
+++ b/src/ai/api/ai_subsidy.cpp
@@ -10,21 +10,21 @@
/* static */ bool AISubsidy::IsValidSubsidy(SubsidyID subsidy_id)
{
- return Subsidy::IsValidID(subsidy_id);
+ return ::Subsidy::IsValidID(subsidy_id);
}
/* static */ bool AISubsidy::IsAwarded(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return false;
- return Subsidy::Get(subsidy_id)->IsAwarded();
+ return ::Subsidy::Get(subsidy_id)->IsAwarded();
}
/* static */ AICompany::CompanyID AISubsidy::GetAwardedTo(SubsidyID subsidy_id)
{
if (!IsAwarded(subsidy_id)) return AICompany::COMPANY_INVALID;
- return (AICompany::CompanyID)((byte)Station::Get(Subsidy::Get(subsidy_id)->from)->owner);
+ return (AICompany::CompanyID)((byte)::Station::Get(::Subsidy::Get(subsidy_id)->src)->owner);
}
/* static */ int32 AISubsidy::GetExpireDate(SubsidyID subsidy_id)
@@ -35,9 +35,9 @@
int month = AIDate::GetMonth(AIDate::GetCurrentDate());
if (IsAwarded(subsidy_id)) {
- month += 24 - Subsidy::Get(subsidy_id)->age;
+ month += 24 - ::Subsidy::Get(subsidy_id)->age;
} else {
- month += 12 - Subsidy::Get(subsidy_id)->age;
+ month += 12 - ::Subsidy::Get(subsidy_id)->age;
}
year += (month - 1) / 12;
@@ -50,42 +50,33 @@
{
if (!IsValidSubsidy(subsidy_id)) return CT_INVALID;
- return Subsidy::Get(subsidy_id)->cargo_type;
+ return ::Subsidy::Get(subsidy_id)->cargo_type;
}
/* static */ bool AISubsidy::SourceIsTown(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id) || IsAwarded(subsidy_id)) return false;
- return CargoSpec::Get(GetCargoType(subsidy_id))->town_effect == TE_PASSENGERS ||
- CargoSpec::Get(GetCargoType(subsidy_id))->town_effect == TE_MAIL;
+ return ::Subsidy::Get(subsidy_id)->src_type == ST_TOWN;
}
/* static */ int32 AISubsidy::GetSource(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
- return Subsidy::Get(subsidy_id)->from;
+ return ::Subsidy::Get(subsidy_id)->src;
}
/* static */ bool AISubsidy::DestinationIsTown(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id) || IsAwarded(subsidy_id)) return false;
- switch (CargoSpec::Get(GetCargoType(subsidy_id))->town_effect) {
- case TE_PASSENGERS:
- case TE_MAIL:
- case TE_GOODS:
- case TE_FOOD:
- return true;
- default:
- return false;
- }
+ return ::Subsidy::Get(subsidy_id)->dst_type == ST_TOWN;
}
/* static */ int32 AISubsidy::GetDestination(SubsidyID subsidy_id)
{
if (!IsValidSubsidy(subsidy_id)) return INVALID_STATION;
- return Subsidy::Get(subsidy_id)->to;
+ return ::Subsidy::Get(subsidy_id)->dst;
}
diff --git a/src/cargo_type.h b/src/cargo_type.h
index 4fd424d35..30145f266 100644
--- a/src/cargo_type.h
+++ b/src/cargo_type.h
@@ -5,6 +5,8 @@
#ifndef CARGO_TYPE_H
#define CARGO_TYPE_H
+#include "core/enum_type.hpp"
+
typedef byte CargoID;
/** Available types of cargo */
@@ -82,4 +84,16 @@ public:
}
};
+
+/** Types of subsidy source and destination */
+enum SourceType {
+ ST_INDUSTRY, ///< Source/destination is an industry
+ ST_TOWN, ///< Source/destination is a town
+ ST_STATION, ///< Source/destination is a station
+};
+typedef SimpleTinyEnumT<SourceType, byte> SourceTypeByte;
+
+typedef uint16 SourceID; ///< Contains either industry ID, town ID or station ID (or INVALID_SOURCE)
+static const SourceID INVALID_SOURCE = 0xFFFF; ///< Invalid/unknown index of source
+
#endif /* CARGO_TYPE_H */
diff --git a/src/economy.cpp b/src/economy.cpp
index d044d02ab..45cab5c59 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -331,7 +331,7 @@ void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
if (new_owner == INVALID_OWNER) {
Subsidy *s;
FOR_ALL_SUBSIDIES(s) {
- if (s->IsAwarded() && Station::Get(s->to)->owner == old_owner) {
+ if (s->IsAwarded() && Station::Get(s->dst)->owner == old_owner) {
s->cargo_type = CT_INVALID;
}
}
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index 1fd566ef9..f38648a15 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -167,7 +167,7 @@ Industry::~Industry()
DecIndustryTypeCount(this->type);
- DeleteSubsidyWithIndustry(this->index);
+ DeleteSubsidyWith(ST_INDUSTRY, this->index);
DeleteIndustryNews(this->index);
DeleteWindowById(WC_INDUSTRY_VIEW, this->index);
InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 0);
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index bf067409d..fa772cac1 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -1850,14 +1850,33 @@ bool AfterLoadGame()
i++;
}
}
+ }
+
+ if (CheckSavegameVersion(124)) {
+ /* The train station tile area was added */
+ Waypoint *wp;
+ FOR_ALL_WAYPOINTS(wp) {
+ if (wp->facilities & FACIL_TRAIN) {
+ wp->train_station.tile = wp->xy;
+ wp->train_station.w = 1;
+ wp->train_station.h = 1;
+ } else {;
+ wp->train_station.tile = INVALID_TILE;
+ wp->train_station.w = 0;
+ wp->train_station.h = 0;
+ }
+ }
+ }
+ {
/* Delete invalid subsidies possibly present in old versions (but converted to new savegame) */
Subsidy *s;
FOR_ALL_SUBSIDIES(s) {
if (s->IsAwarded()) {
/* Station -> Station */
- const Station *from = Station::GetIfValid(s->from);
- const Station *to = Station::GetIfValid(s->to);
+ const Station *from = Station::GetIfValid(s->src);
+ const Station *to = Station::GetIfValid(s->dst);
+ s->src_type = s->dst_type = ST_STATION;
if (from != NULL && to != NULL && from->owner == to->owner && Company::IsValidID(from->owner)) continue;
} else {
const CargoSpec *cs = CargoSpec::Get(s->cargo_type);
@@ -1865,16 +1884,20 @@ bool AfterLoadGame()
case TE_PASSENGERS:
case TE_MAIL:
/* Town -> Town */
- if (Town::IsValidID(s->from) && Town::IsValidID(s->to)) continue;
+ s->src_type = s->dst_type = ST_TOWN;
+ if (Town::IsValidID(s->src) && Town::IsValidID(s->dst)) continue;
break;
case TE_GOODS:
case TE_FOOD:
/* Industry -> Town */
- if (Industry::IsValidID(s->from) && Town::IsValidID(s->to)) continue;
+ s->src_type = ST_INDUSTRY;
+ s->dst_type = ST_TOWN;
+ if (Industry::IsValidID(s->src) && Town::IsValidID(s->dst)) continue;
break;
default:
/* Industry -> Industry */
- if (Industry::IsValidID(s->from) && Industry::IsValidID(s->to)) continue;
+ s->src_type = s->dst_type = ST_INDUSTRY;
+ if (Industry::IsValidID(s->src) && Industry::IsValidID(s->dst)) continue;
break;
}
}
@@ -1882,22 +1905,6 @@ bool AfterLoadGame()
}
}
- if (CheckSavegameVersion(124)) {
- /* The train station tile area was added */
- Waypoint *wp;
- FOR_ALL_WAYPOINTS(wp) {
- if (wp->facilities & FACIL_TRAIN) {
- wp->train_station.tile = wp->xy;
- wp->train_station.w = 1;
- wp->train_station.h = 1;
- } else {;
- wp->train_station.tile = INVALID_TILE;
- wp->train_station.w = 0;
- wp->train_station.h = 0;
- }
- }
- }
-
AfterLoadLabelMaps();
GamelogPrintDebug(1);
diff --git a/src/saveload/oldloader_sl.cpp b/src/saveload/oldloader_sl.cpp
index ed7fe2551..f8fc0b777 100644
--- a/src/saveload/oldloader_sl.cpp
+++ b/src/saveload/oldloader_sl.cpp
@@ -1469,8 +1469,8 @@ static bool LoadOldEngineName(LoadgameState *ls, int num)
static const OldChunks subsidy_chunk[] = {
OCL_SVAR( OC_UINT8, Subsidy, cargo_type ),
OCL_SVAR( OC_UINT8, Subsidy, age ),
- OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, from ),
- OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, to ),
+ OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, src ),
+ OCL_SVAR( OC_FILE_U8 | OC_VAR_U16, Subsidy, dst ),
OCL_END()
};
diff --git a/src/saveload/subsidy_sl.cpp b/src/saveload/subsidy_sl.cpp
index f7b6a8f12..b1e889e8f 100644
--- a/src/saveload/subsidy_sl.cpp
+++ b/src/saveload/subsidy_sl.cpp
@@ -10,10 +10,10 @@
static const SaveLoad _subsidies_desc[] = {
SLE_VAR(Subsidy, cargo_type, SLE_UINT8),
SLE_VAR(Subsidy, age, SLE_UINT8),
- SLE_CONDVAR(Subsidy, from, SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
- SLE_CONDVAR(Subsidy, from, SLE_UINT16, 5, SL_MAX_VERSION),
- SLE_CONDVAR(Subsidy, to, SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
- SLE_CONDVAR(Subsidy, to, SLE_UINT16, 5, SL_MAX_VERSION),
+ SLE_CONDVAR(Subsidy, src, SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
+ SLE_CONDVAR(Subsidy, src, SLE_UINT16, 5, SL_MAX_VERSION),
+ SLE_CONDVAR(Subsidy, dst, SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
+ SLE_CONDVAR(Subsidy, dst, SLE_UINT16, 5, SL_MAX_VERSION),
SLE_END()
};
diff --git a/src/station.cpp b/src/station.cpp
index 14d66cf60..81c6c186d 100644
--- a/src/station.cpp
+++ b/src/station.cpp
@@ -88,10 +88,10 @@ Station::~Station()
DeleteWindowById(WC_AIRCRAFT_LIST, wno | (VEH_AIRCRAFT << 11));
/* Now delete all orders that go to the station */
- RemoveOrderFromAllVehicles(OT_GOTO_STATION, index);
+ RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
/* Subsidies need removal as well */
- DeleteSubsidyWithStation(index);
+ DeleteSubsidyWith(ST_STATION, this->index);
/* Remove all news items */
DeleteStationNews(this->index);
diff --git a/src/subsidy.cpp b/src/subsidy.cpp
index 1d183cc9a..c2e9d46ee 100644
--- a/src/subsidy.cpp
+++ b/src/subsidy.cpp
@@ -31,8 +31,9 @@ void Subsidy::AwardTo(StationID from, StationID to, CompanyID company)
assert(!this->IsAwarded());
this->age = 12;
- this->from = from;
- this->to = to;
+ this->src_type = this->dst_type = ST_STATION;
+ this->src = from;
+ this->dst = to;
/* Add a news item */
Pair reftype = SetupSubsidyDecodeParam(this, 0);
@@ -46,7 +47,7 @@ void Subsidy::AwardTo(StationID from, StationID to, CompanyID company)
AddNewsItem(
STR_NEWS_SERVICE_SUBSIDY_AWARDED_HALF + _settings_game.difficulty.subsidy_multiplier,
NS_SUBSIDIES,
- (NewsReferenceType)reftype.a, this->from, (NewsReferenceType)reftype.b, this->to,
+ (NewsReferenceType)reftype.a, this->src, (NewsReferenceType)reftype.b, this->dst,
company_name
);
AI::BroadcastNewEvent(new AIEventSubsidyAwarded(this->Index()));
@@ -95,37 +96,39 @@ Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode)
const CargoSpec *cs = CargoSpec::Get(s->cargo_type);
SetDParam(0, mode ? cs->name : cs->name_single);
- if (!s->IsAwarded()) {
- if (cs->town_effect != TE_PASSENGERS && cs->town_effect != TE_MAIL) {
- SetDParam(1, STR_INDUSTRY_NAME);
- SetDParam(2, s->from);
+ switch (s->src_type) {
+ case ST_INDUSTRY:
reftype1 = NR_INDUSTRY;
-
- if (cs->town_effect != TE_GOODS && cs->town_effect != TE_FOOD) {
- SetDParam(4, STR_INDUSTRY_NAME);
- SetDParam(5, s->to);
- reftype2 = NR_INDUSTRY;
- } else {
- SetDParam(4, STR_TOWN_NAME);
- SetDParam(5, s->to);
- reftype2 = NR_TOWN;
- }
- } else {
- SetDParam(1, STR_TOWN_NAME);
- SetDParam(2, s->from);
+ SetDParam(1, STR_INDUSTRY_NAME);
+ break;
+ case ST_TOWN:
reftype1 = NR_TOWN;
-
- SetDParam(4, STR_TOWN_NAME);
- SetDParam(5, s->to);
+ SetDParam(1, STR_TOWN_NAME);
+ break;
+ case ST_STATION:
+ reftype1 = NR_STATION;
+ SetDParam(1, s->src);
+ break;
+ default: NOT_REACHED();
+ }
+ SetDParam(2, s->src);
+
+ switch (s->dst_type) {
+ case ST_INDUSTRY:
+ reftype2 = NR_INDUSTRY;
+ SetDParam(4, STR_INDUSTRY_NAME);
+ break;
+ case ST_TOWN:
reftype2 = NR_TOWN;
- }
- } else {
- SetDParam(1, s->from);
- reftype1 = NR_STATION;
-
- SetDParam(2, s->to);
- reftype2 = NR_STATION;
+ SetDParam(4, STR_TOWN_NAME);
+ break;
+ case ST_STATION:
+ reftype2 = NR_STATION;
+ SetDParam(2, s->dst);
+ break;
+ default: NOT_REACHED();
}
+ SetDParam(5, s->dst);
Pair p;
p.a = reftype1;
@@ -133,48 +136,19 @@ Pair SetupSubsidyDecodeParam(const Subsidy *s, bool mode)
return p;
}
-void DeleteSubsidyWithTown(TownID index)
-{
- Subsidy *s;
- FOR_ALL_SUBSIDIES(s) {
- if (!s->IsAwarded()) {
- const CargoSpec *cs = CargoSpec::Get(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_ALL_SUBSIDIES(s) {
- if (!s->IsAwarded()) {
- const CargoSpec *cs = CargoSpec::Get(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)
+void DeleteSubsidyWith(SourceType type, SourceID index)
{
bool dirty = false;
Subsidy *s;
FOR_ALL_SUBSIDIES(s) {
- if (s->IsAwarded() && (s->from == index || s->to == index)) {
+ if ((s->src_type == type && s->src == index) || (s->dst_type == type && s->dst == index)) {
s->cargo_type = CT_INVALID;
dirty = true;
}
}
- if (dirty)
- InvalidateWindow(WC_SUBSIDIES_LIST, 0);
+ if (dirty) InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
struct FoundRoute {
@@ -261,10 +235,9 @@ static bool CheckSubsidyDuplicate(Subsidy *s)
{
const Subsidy *ss;
FOR_ALL_SUBSIDIES(ss) {
- if (s != ss &&
- ss->from == s->from &&
- ss->to == s->to &&
- ss->cargo_type == s->cargo_type) {
+ if (s != ss && ss->cargo_type == s->cargo_type &&
+ ss->src_type == s->src_type && ss->src == s->src &&
+ ss->dst_type == s->dst_type && ss->dst == s->dst) {
s->cargo_type = CT_INVALID;
return true;
}
@@ -275,24 +248,21 @@ static bool CheckSubsidyDuplicate(Subsidy *s)
void SubsidyMonthlyLoop()
{
- Station *st;
- uint n;
- FoundRoute fr;
bool modified = false;
Subsidy *s;
FOR_ALL_SUBSIDIES(s) {
if (s->age == 12 - 1) {
Pair reftype = SetupSubsidyDecodeParam(s, 1);
- AddNewsItem(STR_NEWS_OFFER_OF_SUBSIDY_EXPIRED, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->from, (NewsReferenceType)reftype.b, s->to);
+ AddNewsItem(STR_NEWS_OFFER_OF_SUBSIDY_EXPIRED, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->src, (NewsReferenceType)reftype.b, s->dst);
s->cargo_type = CT_INVALID;
modified = true;
AI::BroadcastNewEvent(new AIEventSubsidyOfferExpired(s->Index()));
} else if (s->age == 2 * 12 - 1) {
- st = Station::Get(s->to);
+ Station *st = Station::Get(s->dst);
if (st->owner == _local_company) {
Pair reftype = SetupSubsidyDecodeParam(s, 1);
- AddNewsItem(STR_NEWS_SUBSIDY_WITHDRAWN_SERVICE, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->from, (NewsReferenceType)reftype.b, s->to);
+ AddNewsItem(STR_NEWS_SUBSIDY_WITHDRAWN_SERVICE, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->src, (NewsReferenceType)reftype.b, s->dst);
}
s->cargo_type = CT_INVALID;
modified = true;
@@ -308,28 +278,37 @@ void SubsidyMonthlyLoop()
s = Subsidy::AllocateItem();
if (s == NULL) goto no_add;
- n = 1000;
+ uint n = 1000;
do {
+ FoundRoute fr;
FindSubsidyPassengerRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = CT_PASSENGERS;
- s->from = ((Town*)fr.from)->index;
- s->to = ((Town*)fr.to)->index;
+ s->src_type = s->dst_type = ST_TOWN;
+ s->src = ((Town *)fr.from)->index;
+ s->dst = ((Town *)fr.to)->index;
goto add_subsidy;
}
FindSubsidyCargoRoute(&fr);
if (fr.distance <= 70) {
s->cargo_type = fr.cargo;
- s->from = ((Industry*)fr.from)->index;
+ s->src_type = ST_INDUSTRY;
+ s->src = ((Industry *)fr.from)->index;
{
const CargoSpec *cs = CargoSpec::Get(fr.cargo);
- s->to = (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) ? ((Town*)fr.to)->index : ((Industry*)fr.to)->index;
+ if (cs->town_effect == TE_GOODS || cs->town_effect == TE_FOOD) {
+ s->dst_type = ST_INDUSTRY;
+ s->dst = ((Industry *)fr.to)->index;
+ } else {
+ s->dst_type = ST_TOWN;
+ s->dst = ((Town *)fr.to)->index;
+ }
}
add_subsidy:
if (!CheckSubsidyDuplicate(s)) {
s->age = 0;
Pair reftype = SetupSubsidyDecodeParam(s, 0);
- AddNewsItem(STR_NEWS_SERVICE_SUBSIDY_OFFERED, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->from, (NewsReferenceType)reftype.b, s->to);
+ AddNewsItem(STR_NEWS_SERVICE_SUBSIDY_OFFERED, NS_SUBSIDIES, (NewsReferenceType)reftype.a, s->src, (NewsReferenceType)reftype.b, s->dst);
AI::BroadcastNewEvent(new AIEventSubsidyOffer(s->Index()));
modified = true;
break;
@@ -351,8 +330,8 @@ bool CheckSubsidised(const Station *from, const Station *to, CargoID cargo_type,
FOR_ALL_SUBSIDIES(s) {
if (s->cargo_type == cargo_type &&
s->IsAwarded() &&
- s->from == from->index &&
- s->to == to->index) {
+ s->src == from->index &&
+ s->dst == to->index) {
return true;
}
}
@@ -363,9 +342,9 @@ bool CheckSubsidised(const Station *from, const Station *to, CargoID cargo_type,
/* Check distance from source */
const CargoSpec *cs = CargoSpec::Get(cargo_type);
if (cs->town_effect == TE_PASSENGERS || cs->town_effect == TE_MAIL) {
- xy = Town::Get(s->from)->xy;
+ xy = Town::Get(s->src)->xy;
} else {
- xy = Industry::Get(s->from)->xy;
+ xy = Industry::Get(s->src)->xy;
}
if (DistanceMax(xy, from->xy) > 9) continue;
@@ -375,11 +354,11 @@ bool CheckSubsidised(const Station *from, const Station *to, CargoID cargo_type,
case TE_MAIL:
case TE_GOODS:
case TE_FOOD:
- xy = Town::Get(s->to)->xy;
+ xy = Town::Get(s->dst)->xy;
break;
default:
- xy = Industry::Get(s->to)->xy;
+ xy = Industry::Get(s->dst)->xy;
break;
}
if (DistanceMax(xy, to->xy) > 9) continue;
diff --git a/src/subsidy_base.h b/src/subsidy_base.h
index 790be8c6d..1460c4eec 100644
--- a/src/subsidy_base.h
+++ b/src/subsidy_base.h
@@ -13,10 +13,12 @@ typedef uint16 SubsidyID; ///< ID of a subsidy
/** Struct about subsidies, offered and awarded */
struct Subsidy {
- CargoID cargo_type; ///< Cargo type involved in this subsidy, CT_INVALID for invalid subsidy
- byte age; ///< Subsidy age; < 12 is unawarded, >= 12 is awarded
- uint16 from; ///< Index of source. Either TownID, IndustryID or StationID, when awarded
- uint16 to; ///< Index of destination. Either TownID, IndustryID or StationID, when awarded
+ CargoID cargo_type; ///< Cargo type involved in this subsidy, CT_INVALID for invalid subsidy
+ byte age; ///< Subsidy age; < 12 is unawarded, >= 12 is awarded
+ SourceTypeByte src_type; ///< Source of subsidised path
+ SourceTypeByte dst_type; ///< Destination of subsidised path
+ uint16 src; ///< Index of source. Either TownID, IndustryID or StationID, when awarded
+ uint16 dst; ///< Index of destination. Either TownID, IndustryID or StationID, when awarded
/**
* Tests whether this subsidy has been awarded to someone
diff --git a/src/subsidy_func.h b/src/subsidy_func.h
index f53ff4bbc..5ec466a5f 100644
--- a/src/subsidy_func.h
+++ b/src/subsidy_func.h
@@ -12,9 +12,7 @@
#include "company_type.h"
Pair SetupSubsidyDecodeParam(const struct Subsidy *s, bool mode);
-void DeleteSubsidyWithTown(TownID index);
-void DeleteSubsidyWithIndustry(IndustryID index);
-void DeleteSubsidyWithStation(StationID index);
+void DeleteSubsidyWith(SourceType type, SourceID index);
bool CheckSubsidised(const Station *from, const Station *to, CargoID cargo_type, CompanyID company);
void SubsidyMonthlyHandler();
diff --git a/src/subsidy_gui.cpp b/src/subsidy_gui.cpp
index 2c4baf5e2..de7d71c57 100644
--- a/src/subsidy_gui.cpp
+++ b/src/subsidy_gui.cpp
@@ -78,32 +78,27 @@ struct SubsidyListWindow : Window {
void HandleClick(const Subsidy *s)
{
- TownEffect te = CargoSpec::Get(s->cargo_type)->town_effect;
+ /* determine src coordinate for subsidy and try to scroll to it */
TileIndex xy;
-
- /* determine from coordinate for subsidy and try to scroll to it */
- uint offs = s->from;
- if (s->IsAwarded()) {
- xy = Station::Get(offs)->xy;
- } else if (te == TE_PASSENGERS || te == TE_MAIL) {
- xy = Town::Get(offs)->xy;
- } else {
- xy = Industry::Get(offs)->xy;
+ switch (s->src_type) {
+ case ST_INDUSTRY: xy = Industry::Get(s->src)->xy; break;
+ case ST_TOWN: xy = Town::Get(s->src)->xy; break;
+ case ST_STATION: xy = Station::Get(s->src)->xy; break;
+ default: NOT_REACHED();
}
if (_ctrl_pressed || !ScrollMainWindowToTile(xy)) {
if (_ctrl_pressed) ShowExtraViewPortWindow(xy);
- /* otherwise determine to coordinate for subsidy and scroll to it */
- offs = s->to;
- if (s->IsAwarded()) {
- xy = Station::Get(offs)->xy;
- } else if (te == TE_PASSENGERS || te == TE_MAIL || te == TE_GOODS || te == TE_FOOD) {
- xy = Town::Get(offs)->xy;
- } else {
- xy = Industry::Get(offs)->xy;
+ /* otherwise determine dst coordinate for subsidy and scroll to it */
+ switch (s->dst_type) {
+ case ST_INDUSTRY: xy = Industry::Get(s->dst)->xy; break;
+ case ST_TOWN: xy = Town::Get(s->dst)->xy; break;
+ case ST_STATION: xy = Station::Get(s->dst)->xy; break;
+ default: NOT_REACHED();
}
+
if (_ctrl_pressed) {
ShowExtraViewPortWindow(xy);
} else {
@@ -155,7 +150,7 @@ struct SubsidyListWindow : Window {
FOR_ALL_SUBSIDIES(s) {
if (s->IsAwarded()) {
SetupSubsidyDecodeParam(s, 1);
- SetDParam(3, Station::Get(s->to)->owner);
+ SetDParam(3, Station::Get(s->dst)->owner);
SetDParam(4, _date - ymd.day + 768 - s->age * 32);
/* Displays the two connected stations */
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 743a07b88..bb16c11e1 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -98,7 +98,7 @@ Town::~Town()
}
}
- DeleteSubsidyWithTown(this->index);
+ DeleteSubsidyWith(ST_TOWN, this->index);
MarkWholeScreenDirty();
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-15 03:12:08 +0000