Archives/OpenTTD-patches
2
0
Fork 0
mirror of https://github.com/JGRennison/OpenTTD-patches.git synced 2024-11-17 21:25:40 +00:00
Code Issues Packages Projects Releases Wiki Activity
e4940ebc79
OpenTTD-patches/economy.c

1373 lines
32 KiB
C
Raw Blame History

#include "stdafx.h"
#include "ttd.h"
#include "news.h"
#include "player.h"
#include "station.h"
#include "vehicle.h"
#include "window.h"
#include "gfx.h"
#include "command.h"
#include "saveload.h"
#include "economy.h"
#include "industry.h"
#include "town.h"
static void UpdatePlayerHouse(Player *p, uint score)
{
byte val;
uint tile = p->location_of_house;
if (tile == 0)
return;
(val = 128, score < 170) ||
(val+= 4, score < 350) ||
(val+= 4, score < 520) ||
(val+= 4, score < 720) ||
(val+= 4, true);
/* house is already big enough */
if (val <= _map5[tile])
return;
_map5[tile + TILE_XY(0,0)] = val;
_map5[tile + TILE_XY(0,1)] = ++val;
_map5[tile + TILE_XY(1,0)] = ++val;
_map5[tile + TILE_XY(1,1)] = ++val;
MarkTileDirtyByTile(tile + TILE_XY(0,0));
MarkTileDirtyByTile(tile + TILE_XY(0,1));
MarkTileDirtyByTile(tile + TILE_XY(1,0));
MarkTileDirtyByTile(tile + TILE_XY(1,1));
}
uint32 CalculateCompanyValue(Player *p) {
byte owner = p->index;
uint32 value;
{
Station *st;
uint num = 0;
FOR_ALL_STATIONS(st) {
if (st->xy != 0 && st->owner == owner) {
uint facil = st->facilities;
do num += (facil&1); while (facil >>= 1);
}
}
value = num * _price.station_value * 25;
}
{
Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->owner != owner)
continue;
if (v->type == VEH_Train ||
v->type == VEH_Road ||
(v->type == VEH_Aircraft && v->subtype<=2) ||
v->type == VEH_Ship) {
value += v->value * 3 >> 1;
}
}
}
if (p->player_money > 0)
value += p->player_money;
return value;
}
static void UpdateCompanyRatingAndValue(Player *p)
{
byte owner = p->index;
uint score;
/* Count vehicles */
{
Vehicle *v;
int32 min_profit = MAX_INT;
uint num = 0;
FOR_ALL_VEHICLES(v) {
if (v->owner != owner)
continue;
if ((v->type == VEH_Train && v->subtype == 0) ||
v->type == VEH_Road ||
(v->type == VEH_Aircraft && v->subtype<=2) ||
v->type == VEH_Ship) {
num++;
if (v->age > 730) {
if (min_profit >= v->profit_last_year)
min_profit = v->profit_last_year;
}
}
}
score = (num < 120) ? num * 100 / 120 : 100;
if (min_profit != MAX_INT && min_profit > 0)
score += (min_profit < 10000) ? min_profit/100 : 100;
}
/* Count stations */
{
uint num = 0;
Station *st;
FOR_ALL_STATIONS(st) {
if (st->xy != 0 && st->owner == owner) {
int facil = st->facilities;
do num += facil&1; while (facil>>=1);
}
}
score += (num < 80) ? num * 100 / 80 : 100;
}
/* Generate statistics depending on recent income statistics */
{
PlayerEconomyEntry *pee;
int numec;
int32 min_income;
uint32 max_income;
numec = min(p->num_valid_stat_ent, 12);
if (numec != 0) {
min_income = 0x7FFFFFFF;
max_income = 0;
pee = p->old_economy;
do {
min_income = min(min_income, pee->income + pee->expenses);
max_income = max(max_income, pee->income + pee->expenses);
} while (++pee,--numec);
if (min_income > 0)
score += min_income >= 50000 ? 50 : min_income / 1000;
score += max_income >= 100000 ? 100 : max_income / 1000;
}
}
/* Generate score depending on amount of transported cargo */
{
PlayerEconomyEntry *pee;
int numec;
uint32 total_delivered;
numec = min(p->num_valid_stat_ent, 4);
if (numec != 0) {
pee = p->old_economy;
total_delivered = 0;
do {
total_delivered += pee->delivered_cargo;
} while (++pee,--numec);
score += total_delivered >= 40000 ? 400 : total_delivered / 100;
}
}
/* Generate score for variety of cargo */
{
uint cargo = p->cargo_types;
uint num = 0;
do num += cargo&1; while (cargo>>=1);
score += num < 8 ? num * 50 / 8 : 50;
p->cargo_types = 0;
}
/* Generate score for player money */
{
int32 money = p->player_money;
if (money > 0) {
score += money < 10000000 ? money / (10000000/50) : 50;
}
}
/* Generate score for loan */
{
score += (250000 - p->current_loan) >= 0 ? (250000 - p->current_loan) / 5000 : 0;
}
p->old_economy[0].performance_history = score;
UpdatePlayerHouse(p, score);
p->old_economy[0].company_value = CalculateCompanyValue(p);
}
// use 255 as new_player to delete the player.
void ChangeOwnershipOfPlayerItems(byte old_player, byte new_player)
{
byte old = _current_player;
_current_player = old_player;
if (new_player == 255) {
Subsidy *s;
for(s=_subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != 0xff && s->age >= 12) {
Station *st = DEREF_STATION(s->to);
if (st->owner == old_player)
s->cargo_type = 0xff;
}
}
}
// take care of rating in towns
{
Town *t;
// if a player takes over, give the ratings to that player.
if (new_player != 255) {
FOR_ALL_TOWNS(t) if (t->xy && HASBIT(t->have_ratings, old_player)) {
if (HASBIT(t->have_ratings, new_player)) {
// use max of the two ratings.
t->ratings[new_player] = max(t->ratings[new_player], t->ratings[old_player]);
} else {
SETBIT(t->have_ratings, new_player);
t->ratings[new_player] = t->ratings[old_player];
}
}
}
// reset rating for the towns.
FOR_ALL_TOWNS(t) if (t->xy) {
t->ratings[old_player] = 500;
CLRBIT(t->have_ratings, old_player);
}
}
{
int num_train = 0;
int num_road = 0;
int num_ship = 0;
int num_aircraft = 0;
Vehicle *v;
// Determine Ids for the new vehicles
FOR_ALL_VEHICLES(v) {
if (v->owner == new_player) {
if (v->type == VEH_Train && v->subtype == 0)
num_train++;
else if (v->type == VEH_Road)
num_road++;
else if (v->type == VEH_Ship)
num_ship++;
else if (v->type == VEH_Aircraft && v->subtype <= 2)
num_aircraft++;
}
}
FOR_ALL_VEHICLES(v) {
if (v->owner == old_player && IS_BYTE_INSIDE(v->type, VEH_Train, VEH_Aircraft+1) ) {
if (new_player == 255) {
DeleteWindowById(WC_VEHICLE_VIEW, v->index);
DeleteWindowById(WC_VEHICLE_DETAILS, v->index);
DeleteWindowById(WC_VEHICLE_ORDERS, v->index);
DeleteVehicle(v);
} else {
v->owner = new_player;
if (v->type == VEH_Train && v->subtype == 0)
v->unitnumber = ++num_train;
else if (v->type == VEH_Road)
v->unitnumber = ++num_road;
else if (v->type == VEH_Ship)
v->unitnumber = ++num_ship;
else if (v->type == VEH_Aircraft && v->subtype <= 2)
v->unitnumber = ++num_aircraft;
}
}
}
}
// Change ownership of tiles
{
uint tile = 0;
do {
ChangeTileOwner(tile, old_player, new_player);
} while (++tile != TILES_X * TILES_Y);
}
// Change color of existing windows
if (new_player != 255) {
Window *w;
for(w=_windows; w != _last_window; w++) {
if (w->caption_color == old_player)
w->caption_color = new_player;
}
}
_current_player = old;
MarkWholeScreenDirty();
}
extern void DeletePlayerWindows(int pi);
static void PlayersCheckBankrupt(Player *p)
{
int owner;
uint32 val;
if (p->player_money >= 0) {
p->quarters_of_bankrupcy = 0;
return;
}
p->quarters_of_bankrupcy++;
owner = p->index;
if (p->quarters_of_bankrupcy == 2) {
year_2:
AddNewsItem( (StringID)(owner + 16),
NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
} else if (p->quarters_of_bankrupcy == 3) {
if (IS_HUMAN_PLAYER(owner))
goto year_2;
val = CalculateCompanyValue(p);
if (val == 0) goto year_4;
p->bankrupt_value = val;
p->bankrupt_asked = 1 << owner;
p->bankrupt_timeout = 0;
} else if (p->quarters_of_bankrupcy == 4) {
year_4:
DeletePlayerWindows(owner);
if (IS_HUMAN_PLAYER(owner)) {
// what does this code do??
InitNewsItemStructs();
DeleteWindowById(WC_NEWS_WINDOW, 0);
}
// Show bankrupt news
SET_DPARAM16(0, p->name_1);
SET_DPARAM32(1, p->name_2);
AddNewsItem( (StringID)(owner + 16*3), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
if (IS_HUMAN_PLAYER(owner)) {
p->bankrupt_asked = 255;
p->bankrupt_timeout = 0x456;
} else {
p->money64 = p->player_money = 100000000;
ChangeOwnershipOfPlayerItems(owner, 0xFF);
p->is_active = false;
}
}
}
void DrawNewsBankrupcy(Window *w)
{
Player *p;
DrawNewsBorder(w);
p = DEREF_PLAYER(WP(w,news_d).ni->string_id & 15);
DrawPlayerFace(p->face, p->player_color, 2, 23);
GfxFillRect(3, 23, 3+91, 23+118, 0x4323);
SET_DPARAM16(0, p->president_name_1);
SET_DPARAM32(1, p->president_name_2);
DrawStringMultiCenter(49, 148, STR_7058_PRESIDENT, 94);
switch(WP(w,news_d).ni->string_id >> 4) {
case 1:
DrawStringCentered(w->width>>1, 1, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE, 0);
SET_DPARAM16(0, p->name_1);
SET_DPARAM32(1, p->name_2);
DrawStringMultiCenter(
((w->width - 101) >> 1) + 98,
90,
STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED,
w->width - 101);
break;
case 2: {
int32 price;
DrawStringCentered(w->width>>1, 1, STR_7059_TRANSPORT_COMPANY_MERGER, 0);
COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
SET_DPARAM16(2, p->name_1);
SET_DPARAM32(3, p->name_2);
price = WP(w,news_d).ni->params[2];
SET_DPARAM32(4, price);
DrawStringMultiCenter(
((w->width - 101) >> 1) + 98,
90,
price==0 ? STR_707F_HAS_BEEN_TAKEN_OVER_BY : STR_705A_HAS_BEEN_SOLD_TO_FOR,
w->width - 101);
break;
}
case 3:
DrawStringCentered(w->width>>1, 1, STR_705C_BANKRUPT, 0);
COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
DrawStringMultiCenter(
((w->width - 101) >> 1) + 98,
90,
STR_705D_HAS_BEEN_CLOSED_DOWN_BY,
w->width - 101);
break;
case 4:
DrawStringCentered(w->width>>1, 1, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED, 0);
SET_DPARAM16(0, p->name_1);
SET_DPARAM32(1, p->name_2);
COPY_IN_DPARAM(2,WP(w,news_d).ni->params, 2);
DrawStringMultiCenter(
((w->width - 101) >> 1) + 98,
90,
STR_705F_STARTS_CONSTRUCTION_NEAR,
w->width - 101);
break;
default:
NOT_REACHED();
}
}
StringID GetNewsStringBankrupcy(NewsItem *ni)
{
Player *p = DEREF_PLAYER(ni->string_id & 0xF);
switch(ni->string_id >> 4) {
case 1:
SET_DPARAM16(0, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE);
SET_DPARAM16(1, STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED);
SET_DPARAM16(2, p->name_1);
SET_DPARAM32(3, p->name_2);
return STR_02B6;
case 2:
SET_DPARAM16(0, STR_7059_TRANSPORT_COMPANY_MERGER);
SET_DPARAM16(1, STR_705A_HAS_BEEN_SOLD_TO_FOR);
COPY_IN_DPARAM(2,ni->params, 2);
SET_DPARAM16(4, p->name_1);
SET_DPARAM32(5, p->name_2);
COPY_IN_DPARAM(6,ni->params + 2, 1);
return STR_02B6;
case 3:
SET_DPARAM16(0, STR_705C_BANKRUPT);
SET_DPARAM16(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
COPY_IN_DPARAM(2,ni->params, 2);
return STR_02B6;
case 4:
SET_DPARAM16(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
SET_DPARAM16(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
SET_DPARAM16(2, p->name_1);
SET_DPARAM32(3, p->name_2);
COPY_IN_DPARAM(4,ni->params, 2);
return STR_02B6;
default:
NOT_REACHED();
}
/* useless, but avoids compiler warning this way */
return 0;
}
static void PlayersGenStatistics()
{
Station *st;
Player *p;
FOR_ALL_STATIONS(st) {
if (st->xy != 0) {
_current_player = st->owner;
SET_EXPENSES_TYPE(EXPENSES_PROPERTY);
SubtractMoneyFromPlayer(_price.station_value >> 1);
}
}
if (!HASBIT(1<<0|1<<3|1<<6|1<<9, _cur_month))
return;
FOR_ALL_PLAYERS(p) {
if (p->is_active) {
memmove(&p->old_economy, &p->cur_economy, sizeof(p->old_economy));
memset(&p->cur_economy, 0, sizeof(p->cur_economy));
if (p->num_valid_stat_ent != 24)
p->num_valid_stat_ent++;
UpdateCompanyRatingAndValue(p);
PlayersCheckBankrupt(p);
if (p->block_preview != 0)
p->block_preview--;
}
}
InvalidateWindow(WC_INCOME_GRAPH, 0);
InvalidateWindow(WC_OPERATING_PROFIT, 0);
InvalidateWindow(WC_DELIVERED_CARGO, 0);
InvalidateWindow(WC_PERFORMANCE_HISTORY, 0);
InvalidateWindow(WC_COMPANY_VALUE, 0);
InvalidateWindow(WC_COMPANY_LEAGUE, 0);
}
static void AddSingleInflation(int32 *value, uint16 *frac, int32 amt)
{
int64 tmp;
int32 low;
tmp = BIGMULS(*value, amt);
*frac = (uint16)(low = (uint16)tmp + *frac);
*value += (int32)(tmp >> 16) + (low >> 16);
}
static void AddInflation()
{
int i;
int32 inf = _economy.infl_amount * 54;
for(i=0; i!=NUM_PRICES; i++) {
AddSingleInflation( (int32*)&_price + i, _price_frac + i, inf );
}
_economy.max_loan_unround += BIGMULUS(_economy.max_loan_unround, inf, 16);
if (_economy.max_loan + 50000 <= _economy.max_loan_unround)
_economy.max_loan += 50000;
inf = _economy.infl_amount_pr * 54;
for(i=0; i!=NUM_CARGO; i++) {
AddSingleInflation(
_cargo_payment_rates + i,
_cargo_payment_rates_frac + i,
inf
);
}
InvalidateWindowClasses(WC_BUILD_VEHICLE);
InvalidateWindowClasses(WC_VEHICLE_DETAILS);
InvalidateWindow(WC_PAYMENT_RATES, 0);
}
static void PlayersPayInterest()
{
Player *p;
int interest = _economy.interest_rate * 54;
FOR_ALL_PLAYERS(p) {
if (!p->is_active)
continue;
_current_player = p->index;
SET_EXPENSES_TYPE(EXPENSES_LOAN_INT);
SubtractMoneyFromPlayer(BIGMULUS(p->current_loan, interest, 16));
SET_EXPENSES_TYPE(EXPENSES_OTHER);
SubtractMoneyFromPlayer(_price.station_value >> 2);
}
}
static void HandleEconomyFluctuations()
{
if (_opt.diff.economy == 0)
return;
if (--_economy.fluct == 0) {
_economy.fluct = - (int)(Random()&3);
AddNewsItem(STR_7073_WORLD_RECESSION_FINANCIAL, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
} else if (_economy.fluct == -12) {
_economy.fluct = (Random()&255) + 312;
AddNewsItem(STR_7074_RECESSION_OVER_UPTURN_IN, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
}
}
static byte _price_category[NUM_PRICES] = {
0, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 1, 1, 1, 1, 1, 1,
2,
};
static const int32 _price_base[NUM_PRICES] = {
100, 100, 95, 65, 275, 600, 500, 700,
450, 200, 180, 600, 200, 200, 350, 400000,
2000, 700000, 14000, 65000, 20, 250, 20, 40,
200, 500, 20, -70, 10, 50, 80, 80,
90, 30, 10000, 50, 30, 50, 50, 55,
1600, 40, 5600, 5200, 4800, 9600, 1600, 5600,
1000000,
};
void StartupEconomy()
{
int i;
assert(sizeof(_price) == NUM_PRICES * sizeof(int32));
for(i=0; i!=NUM_PRICES; i++) {
int32 price = _price_base[i];
if (_price_category[i] != 0) {
uint mod = _price_category[i] == 1 ? _opt.diff.vehicle_costs : _opt.diff.construction_cost;
if (mod < 1) {
price = price * 3 >> 2;
} else if (mod > 1) {
price = price * 9 >> 3;
}
}
((int32*)&_price)[i] = price;
_price_frac[i] = 0;
}
_economy.interest_rate = _opt.diff.initial_interest;
_economy.infl_amount = _opt.diff.initial_interest;
_economy.infl_amount_pr = max(0, _opt.diff.initial_interest - 1);
_economy.max_loan_unround = _economy.max_loan = _opt.diff.max_loan * 1000;
_economy.fluct = (byte)(Random()) + 168;
}
Pair SetupSubsidyDecodeParam(Subsidy *s, bool mode)
{
int tile, tile2;
Industry *i;
Town *t;
Station *st;
Pair tp;
/* if mode is false, convert into plural */
SET_DPARAM16(0, _cargoc.names_s[s->cargo_type] + (mode?0:32));
if (s->age < 12) {
if (!(s->cargo_type == CT_PASSENGERS || s->cargo_type == CT_MAIL)) {
SET_DPARAM16(1, STR_2029);
i = DEREF_INDUSTRY(s->from);
tile = i->xy;
SET_DPARAM16(2, i->town->townnametype);
SET_DPARAM32(3, i->town->townnameparts);
SET_DPARAM16(4, i->type + STR_4802_COAL_MINE);
if (s->cargo_type != CT_GOODS && s->cargo_type != CT_FOOD) {
SET_DPARAM16(5, STR_2029);
i = DEREF_INDUSTRY(s->to);
tile2 = i->xy;
SET_DPARAM16(8, i->type + STR_4802_COAL_MINE);
SET_DPARAM16(6, i->town->townnametype);
SET_DPARAM32(7, i->town->townnameparts);
} else {
t = DEREF_TOWN(s->to);
tile2 = t->xy;
SET_DPARAM16(5, t->townnametype);
SET_DPARAM32(6, t->townnameparts);
}
} else {
t = DEREF_TOWN(s->from);
tile = t->xy;
SET_DPARAM16(1, t->townnametype);
SET_DPARAM32(2, t->townnameparts);
t = DEREF_TOWN(s->to);
tile2 = t->xy;
SET_DPARAM16(3, t->townnametype);
SET_DPARAM32(4, t->townnameparts);
}
} else {
st = DEREF_STATION(s->from);
tile = st->xy;
SET_DPARAM16(1, st->index);
st = DEREF_STATION(s->to);
tile2 = st->xy;
SET_DPARAM16(2, st->index);
}
tp.a = tile;
tp.b = tile2;
return tp;
}
void DeleteSubsidyWithIndustry(byte index)
{
Subsidy *s;
for(s=_subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != 0xFF && s->age < 12 &&
s->cargo_type != CT_PASSENGERS && s->cargo_type != CT_MAIL &&
(index == s->from || (s->cargo_type!=CT_GOODS && s->cargo_type!=CT_FOOD && index==s->to))) {
s->cargo_type = 0xFF;
}
}
}
void DeleteSubsidyWithStation(byte index)
{
Subsidy *s;
bool dirty = false;
for(s=_subsidies; s != endof(_subsidies); s++) {
if (s->cargo_type != 0xFF && s->age >= 12 &&
(s->from == index || s->to == index)) {
s->cargo_type = 0xFF;
dirty = true;
}
}
if (dirty)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
typedef struct FoundRoute {
uint distance;
byte cargo;
void *from;
void *to;
} FoundRoute;
static void FindSubsidyPassengerRoute(FoundRoute *fr)
{
Town *from,*to;
fr->distance = (uint)-1;
fr->from = from = DEREF_TOWN(RandomRange(_total_towns));
if (from->xy == 0 || from->population < 400)
return;
fr->to = to = DEREF_TOWN(RandomRange(_total_towns));
if (from==to || to->xy == 0 || to->population < 400 || to->pct_pass_transported > 42)
return;
fr->distance = GetTileDist(from->xy, to->xy);
}
static void FindSubsidyCargoRoute(FoundRoute *fr)
{
Industry *i;
int trans, total;
byte cargo;
fr->distance = (uint)-1;
fr->from = i = DEREF_INDUSTRY(RandomRange(_total_industries));
if (i->xy == 0)
return;
// Randomize cargo type
if (Random()&1 && i->produced_cargo[1] != 0xFF) {
cargo = i->produced_cargo[1];
trans = i->pct_transported[1];
total = i->total_production[1];
} else {
cargo = i->produced_cargo[0];
trans = i->pct_transported[0];
total = i->total_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 == 0xFF || cargo == CT_PASSENGERS)
return;
fr->cargo = cargo;
if (cargo == CT_GOODS || cargo == CT_FOOD) {
// The destination is a town
Town *t = DEREF_TOWN(RandomRange(_total_towns));
// Only want big towns
if (t->xy == 0 || t->population < 900)
return;
fr->distance = GetTileDist(i->xy, t->xy);
fr->to = t;
} else {
// The destination is an industry
Industry *i2 = DEREF_INDUSTRY(RandomRange(_total_industries));
// The industry must accept the cargo
if (i == i2 || i2->xy == 0 ||
(cargo != i2->accepts_cargo[0] &&
cargo != i2->accepts_cargo[1] &&
cargo != i2->accepts_cargo[2]))
return;
fr->distance = GetTileDist(i->xy, i2->xy);
fr->to = i2;
}
}
static bool CheckSubsidyDuplicate(Subsidy *s)
{
Subsidy *ss;
for(ss=_subsidies; ss != endof(_subsidies); ss++) {
if (s != ss &&
// ss->age < 12 &&
ss->from == s->from &&
ss->to == s->to &&
ss->cargo_type == s->cargo_type) {
s->cargo_type = 0xFF;
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 == 0xFF)
continue;
if (s->age == 12-1) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_202E_OFFER_OF_SUBSIDY_EXPIRED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
s->cargo_type = 0xFF;
modified = true;
} else if (s->age == 2*12-1) {
st = DEREF_STATION(s->to);
if (st->owner == _local_player) {
pair = SetupSubsidyDecodeParam(s, 1);
AddNewsItem(STR_202F_SUBSIDY_WITHDRAWN_SERVICE, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
}
s->cargo_type = 0xFF;
modified = true;
} else {
s->age++;
}
}
// 25% chance to go on
if (CHANCE16(1,4)) {
// Find a free slot
s = _subsidies;
while (s->cargo_type != 0xFF) {
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 - _industries;
s->to = (fr.cargo == CT_GOODS || fr.cargo == CT_FOOD) ? ((Town*)fr.to)->index : (Industry*)fr.to - _industries;
add_subsidy:
if (!CheckSubsidyDuplicate(s)) {
s->age = 0;
pair = SetupSubsidyDecodeParam(s, 0);
AddNewsItem(STR_2030_SERVICE_SUBSIDY_OFFERED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
modified = true;
break;
}
}
} while (--n);
}
no_add:;
if (modified)
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
}
static const byte _subsidies_desc[] = {
SLE_VAR(Subsidy,cargo_type, SLE_UINT8),
SLE_VAR(Subsidy,age, SLE_UINT8),
SLE_VAR(Subsidy,from, SLE_UINT8),
SLE_VAR(Subsidy,to, SLE_UINT8),
SLE_END()
};
static void Save_SUBS()
{
int i;
Subsidy *s;
for(i=0; i!=lengthof(_subsidies); i++) {
s = &_subsidies[i];
if (s->cargo_type != 0xFF) {
SlSetArrayIndex(i);
SlObject(s, _subsidies_desc);
}
}
}
static void Load_SUBS()
{
int index;
while ((index = SlIterateArray()) != -1)
SlObject(&_subsidies[index], _subsidies_desc);
}
int32 GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, byte cargo_type)
{
int cargo = cargo_type;
byte f;
/* zero the distance if it's the bank and very short transport. */
if (_opt.landscape == LT_NORMAL && cargo == CT_VALUABLES && dist < 10)
dist = 0;
f = 255;
if (transit_days > _cargoc.transit_days_1[cargo]) {
transit_days -= _cargoc.transit_days_1[cargo];
f -= transit_days;
if (transit_days > _cargoc.transit_days_2[cargo]) {
transit_days -= _cargoc.transit_days_2[cargo];
if (f < transit_days)
f = 0;
else
f -= transit_days;
}
}
if (f < 31) f = 31;
return BIGMULSS(dist * f * num_pieces, _cargo_payment_rates[cargo], 21);
}
static void DeliverGoodsToIndustry(TileIndex xy, byte cargo_type, int num_pieces)
{
Industry *ind, *best;
int t, u;
/* Check if there's an industry close to the station that accepts
* the cargo */
best = NULL;
u = 0x11;
for(ind = _industries; ind != endof(_industries); ind++) {
if (ind->xy != 0 && (cargo_type == ind->accepts_cargo[0] || cargo_type
== ind->accepts_cargo[1] || cargo_type == ind->accepts_cargo[2]) &&
ind->produced_cargo[0] != 0xFF &&
ind->produced_cargo[0] != cargo_type &&
(t=GetTileDist(ind->xy, xy)) < u) {
u = t;
best = ind;
}
}
/* Found one? */
if (best != NULL) {
best->was_cargo_delivered = true;
best->cargo_waiting[0] = min(best->cargo_waiting[0] + num_pieces, 0xFFFF);
}
}
static bool CheckSubsidised(Station *from, Station *to, byte cargo_type)
{
Subsidy *s;
TileIndex xy;
Pair pair;
Player *p;
// 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 */
if (cargo_type == CT_PASSENGERS || cargo_type == CT_MAIL) {
xy = DEREF_TOWN(s->from)->xy;
} else {
xy = (DEREF_INDUSTRY(s->from))->xy;
}
if (GetTileDist1D(xy, from->xy) > 9)
continue;
/* Check distance from dest */
if (cargo_type == CT_PASSENGERS || cargo_type == CT_MAIL || cargo_type == CT_GOODS || cargo_type == CT_FOOD) {
xy = DEREF_TOWN(s->to)->xy;
} else {
xy = (DEREF_INDUSTRY(s->to))->xy;
}
if (GetTileDist1D(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);
INJECT_DPARAM(2);
p = DEREF_PLAYER(_current_player);
SET_DPARAM16(0, p->name_1);
SET_DPARAM32(1, p->name_2);
AddNewsItem(
STR_2031_SERVICE_SUBSIDY_AWARDED + _opt.diff.subsidy_multiplier,
NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0),
pair.a, pair.b);
InvalidateWindow(WC_SUBSIDIES_LIST, 0);
return true;
}
}
return false;
}
static int32 DeliverGoods(int num_pieces, byte cargo_type, byte source, byte dest, byte days_in_transit)
{
bool subsidised;
Station *s_from, *s_to;
int32 profit;
assert(num_pieces > 0);
// Update player statistics
{
Player *p = DEREF_PLAYER(_current_player);
p->cur_economy.delivered_cargo += num_pieces;
SETBIT(p->cargo_types, cargo_type);
}
// Get station pointers.
s_from = DEREF_STATION(source);
s_to = DEREF_STATION(dest);
// Check if a subsidy applies.
subsidised = CheckSubsidised(s_from, s_to, cargo_type);
// Increase town's counter for some special goods types
{
Town *t = s_to->town;
if (cargo_type == CT_FOOD) t->new_act_food += num_pieces;
if (cargo_type == CT_STEEL) t->new_act_paper += num_pieces;
}
// Give the goods to the industry.
DeliverGoodsToIndustry(s_to->xy, cargo_type, num_pieces);
// Determine profit
{
int t = GetTileDist(s_from->xy, s_to->xy);
int r = num_pieces;
profit = 0;
do {
int u = min(r, 255);
r -= u;
profit += GetTransportedGoodsIncome(u, t, days_in_transit, cargo_type);
} while (r != 0);
}
// Modify profit if a subsidy is in effect
if (subsidised) {
if (_opt.diff.subsidy_multiplier < 1) {
/* 1.5x */
profit += profit >> 1;
} else if (_opt.diff.subsidy_multiplier == 1) {
/* 2x */
profit *= 2;
} else if (_opt.diff.subsidy_multiplier == 2) {
/* 3x */
profit *= 3;
} else {
/* 4x */
profit *= 4;
}
}
// Computers get 25% extra profit if they're intelligent.
if (_opt.diff.competitor_intelligence>=1 && !IS_HUMAN_PLAYER(_current_player))
profit += profit >> 2;
return profit;
}
int LoadUnloadVehicle(Vehicle *v)
{
int profit = 0;
int unloading_time = 20;
Vehicle *u = v;
int result = 0;
int last_visited;
Station *st;
GoodsEntry *ge;
int t;
uint count, cap;
assert((v->next_order&0x1F) == OT_LOADING);
v->cur_speed = 0;
_current_player = v->owner;
st = DEREF_STATION(last_visited = v->last_station_visited);
for(;;) {
if (v->cargo_cap == 0)
goto next_vehicle;
ge = &st->goods[v->cargo_type];
/* unload? */
if (v->cargo_count != 0) {
if (v->cargo_source != (byte)last_visited && ge->waiting_acceptance & 0x8000) {
// deliver goods to the station
unloading_time += v->cargo_count; /* TTDBUG: bug in original TTD */
profit += DeliverGoods(v->cargo_count, v->cargo_type, v->cargo_source, last_visited, v->cargo_days);
result |= 1;
v->cargo_count = 0;
} else if (u->next_order & OF_UNLOAD) {
/* unload goods and let it wait at the station */
st->time_since_unload = 0;
if ((t=ge->waiting_acceptance & 0xFFF) == 0) {
// No goods waiting at station
ge->enroute_time = v->cargo_days;
ge->enroute_from = v->cargo_source;
} else {
// Goods already waiting at station. Set counters to the worst value.
if (v->cargo_days >= ge->enroute_time)
ge->enroute_time = v->cargo_days;
if ((byte)last_visited != ge->enroute_from)
ge->enroute_from = v->cargo_source;
}
// Update amount of waiting cargo
ge->waiting_acceptance = (ge->waiting_acceptance &~0xFFF) | min(v->cargo_count + t, 0xFFF);
result |= 2;
v->cargo_count = 0;
}
}
/* don't pick up goods that we unloaded */
if (u->next_order & OF_UNLOAD)
goto next_vehicle;
/* update stats */
ge->days_since_pickup = 0;
t = u->max_speed;
if (u->type == VEH_Road) t >>=1;
// if last speed is 0, we treat that as if no vehicle has ever visited the station.
ge->last_speed = t < 255 ? t : 255;
ge->last_age = _cur_year - v->build_year;
// If there's goods waiting at the station, and the vehicle
// has capacity for it, load it on the vehicle.
if ((count=ge->waiting_acceptance & 0xFFF) != 0 &&
(cap = v->cargo_cap - v->cargo_count) != 0) {
if (cap > count) cap = count;
v->cargo_count += cap;
ge->waiting_acceptance -= cap;
unloading_time += cap;
st->time_since_load = 0;
// And record the source of the cargo, and the days in travel.
v->cargo_source = ge->enroute_from;
v->cargo_days = ge->enroute_time;
result |= 2;
st->last_vehicle = v->index;
}
next_vehicle:;
if (!(v = v->next))
break;
}
v = u;
if (v->type == VEH_Train) {
int num = - (int)GetStationPlatforms(st, v->tile) * 2;
do num++; while ( (v=v->next) != NULL);
if (num > 0) {
unloading_time <<=1;
unloading_time += num * unloading_time;
}
v = u;
}
v->load_unload_time_rem = unloading_time;
if (result != 0) {
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
if (result & 2)
InvalidateWindow(WC_STATION_VIEW, last_visited);
if (profit != 0) {
v->profit_this_year += profit;
SubtractMoneyFromPlayer(-profit);
if (_current_player == _local_player)
SndPlayVehicleFx(0x12, v);
ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, -profit);
}
}
return result;
}
void PlayersMonthlyLoop()
{
PlayersGenStatistics();
if (_patches.inflation)
AddInflation();
PlayersPayInterest();
HandleEconomyFluctuations();
SubsidyMonthlyHandler();
}
static void DoAcquireCompany(Player *p)
{
Player *owner;
int i,pi;
int32 value;
SET_DPARAM16(0, p->name_1);
SET_DPARAM32(1, p->name_2);
SET_DPARAM32(2, p->bankrupt_value);
AddNewsItem( (StringID)(_current_player + 16*2), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
// original code does this a little bit differently
pi = p->index;
ChangeOwnershipOfPlayerItems(pi, _current_player);
if (p->bankrupt_value == 0) {
owner = DEREF_PLAYER(_current_player);
owner->current_loan += p->current_loan;
}
value = CalculateCompanyValue(p) >> 2;
for(i=0; i!=4; i++) {
if (p->share_owners[i] != 0xFF) {
owner = DEREF_PLAYER(p->share_owners[i]);
owner->money64 += value;
owner->yearly_expenses[0][EXPENSES_OTHER] += value;
UpdatePlayerMoney32(owner);
}
}
p->is_active = false;
DeletePlayerWindows(pi);
}
int32 CmdBuyShareInCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
Player *p;
int32 cost;
byte *b;
int i;
SET_EXPENSES_TYPE(EXPENSES_OTHER);
p = DEREF_PLAYER(p1);
cost = CalculateCompanyValue(p) >> 2;
if (flags & DC_EXEC) {
b = p->share_owners;
while (*b != 0xFF) b++; /* share owners is guaranteed to contain at least one 0xFF */
*b = _current_player;
for(i=0;p->share_owners[i] == _current_player;) {
if (++i == 4) {
p->bankrupt_value = 0;
DoAcquireCompany(p);
break;
}
}
InvalidateWindow(WC_COMPANY, (int)p1);
}
return cost;
}
int32 CmdSellShareInCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
Player *p;
int32 cost;
byte *b;
SET_EXPENSES_TYPE(EXPENSES_OTHER);
p = DEREF_PLAYER(p1);
/* adjust it a little to make it less profitable to sell and buy */
cost = CalculateCompanyValue(p) >> 2;
cost = -(cost - (cost >> 7));
if (flags & DC_EXEC) {
b = p->share_owners;
while (*b != _current_player) b++; /* share owners is guaranteed to contain player */
*b = 0xFF;
InvalidateWindow(WC_COMPANY, (int)p1);
}
return cost;
}
int32 CmdBuyCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
Player *p;
SET_EXPENSES_TYPE(EXPENSES_OTHER);
p = DEREF_PLAYER(p1);
if (flags & 1) {
DoAcquireCompany(p);
}
return p->bankrupt_value;
}
// Prices
static void SaveLoad_PRIC()
{
SlArray(&_price, NUM_PRICES, SLE_INT32);
SlArray(&_price_frac, NUM_PRICES, SLE_UINT16);
}
// Cargo payment rates
static void SaveLoad_CAPR()
{
SlArray(&_cargo_payment_rates, NUM_CARGO, SLE_INT32);
SlArray(&_cargo_payment_rates_frac, NUM_CARGO, SLE_UINT16);
}
static const byte _economy_desc[] = {
SLE_VAR(Economy,max_loan, SLE_INT32),
SLE_VAR(Economy,max_loan_unround, SLE_INT32),
SLE_VAR(Economy,fluct, SLE_FILE_I16 | SLE_VAR_I32),
SLE_VAR(Economy,interest_rate, SLE_UINT8),
SLE_VAR(Economy,infl_amount, SLE_UINT8),
SLE_VAR(Economy,infl_amount_pr, SLE_UINT8),
SLE_END()
};
// Economy variables
static void SaveLoad_ECMY()
{
SlObject(&_economy, &_economy_desc);
}
const ChunkHandler _economy_chunk_handlers[] = {
{ 'PRIC', SaveLoad_PRIC, SaveLoad_PRIC, CH_RIFF | CH_AUTO_LENGTH},
{ 'CAPR', SaveLoad_CAPR, SaveLoad_CAPR, CH_RIFF | CH_AUTO_LENGTH},
{ 'SUBS', Save_SUBS, Load_SUBS, CH_ARRAY},
{ 'ECMY', SaveLoad_ECMY, SaveLoad_ECMY, CH_RIFF | CH_LAST},
};
Reference in New Issue View Git Blame Copy Permalink