--- a/src/economy.c Thu Jan 11 13:16:26 2007 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1738 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "currency.h"
-#include "functions.h"
-#include "strings.h" // XXX InjectDParam()
-#include "table/strings.h"
-#include "table/sprites.h"
-#include "map.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"
-#include "network/network.h"
-#include "sound.h"
-#include "engine.h"
-#include "network/network_data.h"
-#include "variables.h"
-#include "vehicle_gui.h"
-#include "ai/ai.h"
-#include "train.h"
-#include "newgrf_engine.h"
-#include "newgrf_sound.h"
-#include "newgrf_callbacks.h"
-#include "unmovable.h"
-#include "date.h"
-
-// Score info
-const ScoreInfo _score_info[] = {
- { SCORE_VEHICLES, 120, 100 },
- { SCORE_STATIONS, 80, 100 },
- { SCORE_MIN_PROFIT, 10000, 100 },
- { SCORE_MIN_INCOME, 50000, 50 },
- { SCORE_MAX_INCOME, 100000, 100 },
- { SCORE_DELIVERED, 40000, 400 },
- { SCORE_CARGO, 8, 50 },
- { SCORE_MONEY, 10000000, 50 },
- { SCORE_LOAN, 250000, 50 },
- { SCORE_TOTAL, 0, 0 }
-};
-
-int _score_part[MAX_PLAYERS][NUM_SCORE];
-
-int64 CalculateCompanyValue(const Player* p)
-{
- PlayerID owner = p->index;
- int64 value;
-
- {
- Station *st;
- uint num = 0;
-
- FOR_ALL_STATIONS(st) {
- if (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;
- }
- }
- }
-
- value += p->money64 - p->current_loan; // add real money value
-
- return max64(value, 1);
-}
-
-// if update is set to true, the economy is updated with this score
-// (also the house is updated, should only be true in the on-tick event)
-int UpdateCompanyRatingAndValue(Player *p, bool update)
-{
- byte owner = p->index;
- int score = 0;
-
- memset(_score_part[owner], 0, sizeof(_score_part[owner]));
-
-/* Count vehicles */
- {
- Vehicle *v;
- int32 min_profit = 0;
- bool min_profit_first = true;
- uint num = 0;
-
- FOR_ALL_VEHICLES(v) {
- if (v->owner != owner) continue;
- if ((v->type == VEH_Train && IsFrontEngine(v)) ||
- v->type == VEH_Road ||
- (v->type == VEH_Aircraft && v->subtype <= 2) ||
- v->type == VEH_Ship) {
- num++;
- if (v->age > 730) {
- /* Find the vehicle with the lowest amount of profit */
- if (min_profit_first == true) {
- min_profit = v->profit_last_year;
- min_profit_first = false;
- } else if (min_profit > v->profit_last_year) {
- min_profit = v->profit_last_year;
- }
- }
- }
- }
-
- _score_part[owner][SCORE_VEHICLES] = num;
- /* Don't allow negative min_profit to show */
- if (min_profit > 0)
- _score_part[owner][SCORE_MIN_PROFIT] = min_profit;
- }
-
-/* Count stations */
- {
- uint num = 0;
- const Station* st;
-
- FOR_ALL_STATIONS(st) {
- if (st->owner == owner) {
- int facil = st->facilities;
- do num += facil&1; while (facil>>=1);
- }
- }
- _score_part[owner][SCORE_STATIONS] = num;
- }
-
-/* Generate statistics depending on recent income statistics */
- {
- const PlayerEconomyEntry* pee;
- int numec;
- int32 min_income;
- int32 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_part[owner][SCORE_MIN_INCOME] = min_income;
-
- _score_part[owner][SCORE_MAX_INCOME] = max_income;
- }
- }
-
-/* Generate score depending on amount of transported cargo */
- {
- const 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_part[owner][SCORE_DELIVERED] = total_delivered;
- }
- }
-
-/* Generate score for variety of cargo */
- {
- uint cargo = p->cargo_types;
- uint num = 0;
- do num += cargo&1; while (cargo>>=1);
- _score_part[owner][SCORE_CARGO] = num;
- if (update) p->cargo_types = 0;
- }
-
-/* Generate score for player money */
- {
- int32 money = p->player_money;
- if (money > 0) {
- _score_part[owner][SCORE_MONEY] = money;
- }
- }
-
-/* Generate score for loan */
- {
- _score_part[owner][SCORE_LOAN] = _score_info[SCORE_LOAN].needed - p->current_loan;
- }
-
- // Now we calculate the score for each item..
- {
- int i;
- int total_score = 0;
- int s;
- score = 0;
- for (i = 0; i < NUM_SCORE; i++) {
- // Skip the total
- if (i == SCORE_TOTAL) continue;
- // Check the score
- s = (_score_part[owner][i] >= _score_info[i].needed) ?
- _score_info[i].score :
- _score_part[owner][i] * _score_info[i].score / _score_info[i].needed;
- if (s < 0) s = 0;
- score += s;
- total_score += _score_info[i].score;
- }
-
- _score_part[owner][SCORE_TOTAL] = score;
-
- // We always want the score scaled to SCORE_MAX (1000)
- if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
- }
-
- if (update) {
- p->old_economy[0].performance_history = score;
- UpdateCompanyHQ(p, score);
- p->old_economy[0].company_value = CalculateCompanyValue(p);
- }
-
- InvalidateWindow(WC_PERFORMANCE_DETAIL, 0);
- return score;
-}
-
-// use PLAYER_SPECTATOR as new_player to delete the player.
-void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)
-{
- Town *t;
- PlayerID old = _current_player;
- _current_player = old_player;
-
- /* Temporarily increase the player's money, to be sure that
- * removing his/her property doesn't fail because of lack of money.
- * Not too drastically though, because it could overflow */
- if (new_player == PLAYER_SPECTATOR) {
- GetPlayer(old_player)->money64 = MAX_UVALUE(uint64) >>2; // jackpot ;p
- UpdatePlayerMoney32(GetPlayer(old_player));
- }
-
- if (new_player == PLAYER_SPECTATOR) {
- Subsidy *s;
-
- for (s = _subsidies; s != endof(_subsidies); s++) {
- if (s->cargo_type != CT_INVALID && s->age >= 12) {
- if (GetStation(s->to)->owner == old_player) s->cargo_type = CT_INVALID;
- }
- }
- }
-
- /* Take care of rating in towns */
- FOR_ALL_TOWNS(t) {
- /* If a player takes over, give the ratings to that player. */
- if (new_player != PLAYER_SPECTATOR) {
- if (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 the ratings for the old player */
- 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) {
- switch (v->type) {
- case VEH_Train: if (IsFrontEngine(v)) num_train++; break;
- case VEH_Road: num_road++; break;
- case VEH_Ship: num_ship++; break;
- case VEH_Aircraft: if (v->subtype <= 2) num_aircraft++; break;
- default: break;
- }
- }
- }
-
- FOR_ALL_VEHICLES(v) {
- if (v->owner == old_player && IS_BYTE_INSIDE(v->type, VEH_Train, VEH_Aircraft + 1)) {
- if (new_player == PLAYER_SPECTATOR) {
- 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 (IsEngineCountable(v)) GetPlayer(new_player)->num_engines[v->engine_type]++;
- switch (v->type) {
- case VEH_Train: if (IsFrontEngine(v)) v->unitnumber = ++num_train; break;
- case VEH_Road: v->unitnumber = ++num_road; break;
- case VEH_Ship: v->unitnumber = ++num_ship; break;
- case VEH_Aircraft: if (v->subtype <= 2) v->unitnumber = ++num_aircraft; break;
- }
- }
- }
- }
- }
-
- // Change ownership of tiles
- {
- TileIndex tile = 0;
- do {
- ChangeTileOwner(tile, old_player, new_player);
- } while (++tile != MapSize());
- }
-
- /* Change color of existing windows */
- if (new_player != PLAYER_SPECTATOR) ChangeWindowOwner(old_player, new_player);
-
- {
- Player *p;
- uint i;
-
- /* Check for shares */
- FOR_ALL_PLAYERS(p) {
- for (i = 0; i < 4; i++) {
- /* 'Sell' the share if this player has any */
- if (p->share_owners[i] == _current_player) {
- p->share_owners[i] = PLAYER_SPECTATOR;
- }
- }
- }
- p = GetPlayer(_current_player);
- /* Sell all the shares that people have on this company */
- for (i = 0; i < 4; i++)
- p->share_owners[i] = PLAYER_SPECTATOR;
- }
-
- _current_player = old;
-
- MarkWholeScreenDirty();
-}
-
-static void PlayersCheckBankrupt(Player *p)
-{
- PlayerID owner;
- int64 val;
-
- // If the player has money again, it does not go bankrupt
- if (p->player_money >= 0) {
- p->quarters_of_bankrupcy = 0;
- return;
- }
-
- p->quarters_of_bankrupcy++;
-
- owner = p->index;
-
- switch (p->quarters_of_bankrupcy) {
- case 2:
- AddNewsItem( (StringID)(owner | NB_BTROUBLE),
- NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
- break;
- case 3: {
- /* XXX - In multiplayer, should we ask other players if it wants to take
- over when it is a human company? -- TrueLight */
- if (IsHumanPlayer(owner)) {
- AddNewsItem( (StringID)(owner | NB_BTROUBLE),
- NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
- break;
- }
-
- // Check if the company has any value.. if not, declare it bankrupt
- // right now
- val = CalculateCompanyValue(p);
- if (val > 0) {
- p->bankrupt_value = val;
- p->bankrupt_asked = 1 << owner; // Don't ask the owner
- p->bankrupt_timeout = 0;
- break;
- }
- // Else, falltrue to case 4...
- }
- case 4: {
- // Close everything the owner has open
- DeletePlayerWindows(owner);
-
-// Show bankrupt news
- SetDParam(0, p->name_1);
- SetDParam(1, p->name_2);
- AddNewsItem( (StringID)(owner | NB_BBANKRUPT), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
-
- if (IsHumanPlayer(owner)) {
- /* XXX - If we are in offline mode, leave the player playing. Eg. there
- * is no THE-END, otherwise mark the player as spectator to make sure
- * he/she is no long in control of this company */
- if (!_networking) {
- p->bankrupt_asked = 0xFF;
- p->bankrupt_timeout = 0x456;
- break;
- } else if (owner == _local_player) {
- _network_playas = PLAYER_SPECTATOR;
- SetLocalPlayer(PLAYER_SPECTATOR);
- }
-
-#ifdef ENABLE_NETWORK
- /* The server has to handle all administrative issues, for example
- * updating and notifying all clients of what has happened */
- if (_network_server) {
- const NetworkClientState *cs;
- NetworkClientInfo *ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);
-
- /* The server has just gone belly-up, mark it as spectator */
- if (owner == ci->client_playas) {
- ci->client_playas = PLAYER_SPECTATOR;
- NetworkUpdateClientInfo(NETWORK_SERVER_INDEX);
- }
-
- /* Find all clients that were in control of this company,
- * and mark them as spectator; broadcast this message to everyone */
- FOR_ALL_CLIENTS(cs) {
- ci = DEREF_CLIENT_INFO(cs);
- if (ci->client_playas == owner) {
- ci->client_playas = PLAYER_SPECTATOR;
- NetworkUpdateClientInfo(ci->client_index);
- }
- }
- }
-#endif /* ENABLE_NETWORK */
- }
-
- /* Remove the player */
- ChangeOwnershipOfPlayerItems(owner, PLAYER_SPECTATOR);
- /* Register the player as not-active */
- p->is_active = false;
-
- if (!IsHumanPlayer(owner) && (!_networking || _network_server) && _ai.enabled)
- AI_PlayerDied(owner);
- }
- }
-}
-
-void DrawNewsBankrupcy(Window *w)
-{
- Player *p;
-
- DrawNewsBorder(w);
-
- p = GetPlayer(GB(WP(w,news_d).ni->string_id, 0, 4));
- DrawPlayerFace(p->face, p->player_color, 2, 23);
- GfxFillRect(3, 23, 3+91, 23+118, 0x323 | USE_COLORTABLE);
-
- SetDParam(0, p->president_name_1);
- SetDParam(1, p->president_name_2);
-
- DrawStringMultiCenter(49, 148, STR_7058_PRESIDENT, 94);
-
- switch (WP(w,news_d).ni->string_id & 0xF0) {
- case NB_BTROUBLE:
- DrawStringCentered(w->width>>1, 1, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE, 0);
-
- SetDParam(0, p->name_1);
- SetDParam(1, p->name_2);
-
- DrawStringMultiCenter(
- ((w->width - 101) >> 1) + 98,
- 90,
- STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED,
- w->width - 101);
- break;
-
- case NB_BMERGER: {
- int32 price;
-
- DrawStringCentered(w->width>>1, 1, STR_7059_TRANSPORT_COMPANY_MERGER, 0);
- COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
- SetDParam(2, p->name_1);
- SetDParam(3, p->name_2);
- price = WP(w,news_d).ni->params[2];
- SetDParam(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 NB_BBANKRUPT:
- 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 NB_BNEWCOMPANY:
- DrawStringCentered(w->width>>1, 1, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED, 0);
- SetDParam(0, p->name_1);
- SetDParam(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(const NewsItem *ni)
-{
- const Player *p = GetPlayer(GB(ni->string_id, 0, 4));
-
- switch (ni->string_id & 0xF0) {
- case NB_BTROUBLE:
- SetDParam(0, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE);
- SetDParam(1, STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED);
- SetDParam(2, p->name_1);
- SetDParam(3, p->name_2);
- return STR_02B6;
- case NB_BMERGER:
- SetDParam(0, STR_7059_TRANSPORT_COMPANY_MERGER);
- SetDParam(1, STR_705A_HAS_BEEN_SOLD_TO_FOR);
- COPY_IN_DPARAM(2,ni->params, 2);
- SetDParam(4, p->name_1);
- SetDParam(5, p->name_2);
- COPY_IN_DPARAM(6,ni->params + 2, 1);
- return STR_02B6;
- case NB_BBANKRUPT:
- SetDParam(0, STR_705C_BANKRUPT);
- SetDParam(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
- COPY_IN_DPARAM(2,ni->params, 2);
- return STR_02B6;
- case NB_BNEWCOMPANY:
- SetDParam(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
- SetDParam(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
- SetDParam(2, p->name_1);
- SetDParam(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(void)
-{
- Station *st;
- Player *p;
-
- FOR_ALL_STATIONS(st) {
- _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[1], &p->old_economy[0], sizeof(p->old_economy) - sizeof(p->old_economy[0]));
- p->old_economy[0] = p->cur_economy;
- memset(&p->cur_economy, 0, sizeof(p->cur_economy));
-
- if (p->num_valid_stat_ent != 24) p->num_valid_stat_ent++;
-
- UpdateCompanyRatingAndValue(p, true);
- 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(void)
-{
- 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(
- (int32*)_cargo_payment_rates + i,
- _cargo_payment_rates_frac + i,
- inf
- );
- }
-
- InvalidateWindowClasses(WC_BUILD_VEHICLE);
- InvalidateWindowClasses(WC_REPLACE_VEHICLE);
- InvalidateWindowClasses(WC_VEHICLE_DETAILS);
- InvalidateWindow(WC_PAYMENT_RATES, 0);
-}
-
-static void PlayersPayInterest(void)
-{
- const 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(void)
-{
- if (_opt.diff.economy == 0) return;
-
- if (--_economy.fluct == 0) {
- _economy.fluct = -(int)GB(Random(), 0, 2);
- AddNewsItem(STR_7073_WORLD_RECESSION_FINANCIAL, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
- } else if (_economy.fluct == -12) {
- _economy.fluct = GB(Random(), 0, 8) + 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, // station_value
- 100, // build_rail
- 95, // build_road
- 65, // build_signals
- 275, // build_bridge
- 600, // build_train_depot
- 500, // build_road_depot
- 700, // build_ship_depot
- 450, // build_tunnel
- 200, // train_station_track
- 180, // train_station_length
- 600, // build_airport
- 200, // build_bus_station
- 200, // build_truck_station
- 350, // build_dock
- 400000, // build_railvehicle
- 2000, // build_railwagon
- 700000, // aircraft_base
- 14000, // roadveh_base
- 65000, // ship_base
- 20, // build_trees
- 250, // terraform
- 20, // clear_1
- 40, // purchase_land
- 200, // clear_2
- 500, // clear_3
- 20, // remove_trees
- -70, // remove_rail
- 10, // remove_signals
- 50, // clear_bridge
- 80, // remove_train_depot
- 80, // remove_road_depot
- 90, // remove_ship_depot
- 30, // clear_tunnel
- 10000, // clear_water
- 50, // remove_rail_station
- 30, // remove_airport
- 50, // remove_bus_station
- 50, // remove_truck_station
- 55, // remove_dock
- 1600, // remove_house
- 40, // remove_road
- 5600, // running_rail[0] railroad
- 5200, // running_rail[1] monorail
- 4800, // running_rail[2] maglev
- 9600, // aircraft_running
- 1600, // roadveh_running
- 5600, // ship_running
- 1000000, // build_industry
-};
-
-static byte price_base_multiplier[NUM_PRICES];
-
-/**
- * Reset changes to the price base multipliers.
- */
-void ResetPriceBaseMultipliers(void)
-{
- uint i;
-
- // 8 means no multiplier.
- for (i = 0; i < NUM_PRICES; i++)
- price_base_multiplier[i] = 8;
-}
-
-/**
- * Change a price base by the given factor.
- * The price base is altered by factors of two, with an offset of 8.
- * NewBaseCost = OldBaseCost * 2^(n-8)
- * @param price Index of price base to change.
- * @param factor Amount to change by.
- */
-void SetPriceBaseMultiplier(uint price, byte factor)
-{
- assert(price < NUM_PRICES);
- price_base_multiplier[price] = factor;
-}
-
-void StartupEconomy(void)
-{
- 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;
- }
- }
- if (price_base_multiplier[i] > 8) {
- price <<= price_base_multiplier[i] - 8;
- } else {
- price >>= 8 - price_base_multiplier[i];
- }
- ((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 = GB(Random(), 0, 8) + 168;
-}
-
-Pair SetupSubsidyDecodeParam(const Subsidy* s, bool mode)
-{
- TileIndex tile;
- TileIndex tile2;
- Pair tp;
-
- /* if mode is false, use the singular form */
- SetDParam(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) {
- SetDParam(1, STR_INDUSTRY);
- SetDParam(2, s->from);
- tile = GetIndustry(s->from)->xy;
-
- if (s->cargo_type != CT_GOODS && s->cargo_type != CT_FOOD) {
- SetDParam(4, STR_INDUSTRY);
- SetDParam(5, s->to);
- tile2 = GetIndustry(s->to)->xy;
- } else {
- SetDParam(4, STR_TOWN);
- SetDParam(5, s->to);
- tile2 = GetTown(s->to)->xy;
- }
- } else {
- SetDParam(1, STR_TOWN);
- SetDParam(2, s->from);
- tile = GetTown(s->from)->xy;
-
- SetDParam(4, STR_TOWN);
- SetDParam(5, s->to);
- tile2 = GetTown(s->to)->xy;
- }
- } else {
- SetDParam(1, s->from);
- tile = GetStation(s->from)->xy;
-
- SetDParam(2, s->to);
- tile2 = GetStation(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 &&
- (((s->cargo_type == CT_PASSENGERS || s->cargo_type == CT_MAIL) && (index == s->from || index == s->to)) ||
- ((s->cargo_type == CT_GOODS || s->cargo_type == CT_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 &&
- 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 = 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);
-}
-
-typedef struct FoundRoute {
- uint distance;
- CargoID cargo;
- void *from;
- void *to;
-} FoundRoute;
-
-static void FindSubsidyPassengerRoute(FoundRoute *fr)
-{
- Town *from,*to;
-
- fr->distance = (uint)-1;
-
- 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)-1;
-
- fr->from = i = GetRandomIndustry();
- if (i == NULL) return;
-
- // Randomize cargo type
- if (Random()&1 && i->produced_cargo[1] != CT_INVALID) {
- 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 == CT_INVALID || cargo == CT_PASSENGERS)
- return;
-
- fr->cargo = cargo;
-
- if (cargo == CT_GOODS || cargo == CT_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 (i == i2 || i == NULL ||
- (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(void)
-{
- 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_202E_OFFER_OF_SUBSIDY_EXPIRED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
- s->cargo_type = CT_INVALID;
- modified = true;
- } else if (s->age == 2*12-1) {
- st = GetStation(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 = CT_INVALID;
- modified = true;
- } 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;
- s->to = (fr.cargo == CT_GOODS || fr.cargo == CT_FOOD) ? ((Town*)fr.to)->index : ((Industry*)fr.to)->index;
- 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 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_END()
-};
-
-static void Save_SUBS(void)
-{
- int i;
- Subsidy *s;
-
- for (i = 0; i != lengthof(_subsidies); i++) {
- s = &_subsidies[i];
- if (s->cargo_type != CT_INVALID) {
- SlSetArrayIndex(i);
- SlObject(s, _subsidies_desc);
- }
- }
-}
-
-static void Load_SUBS(void)
-{
- int index;
- while ((index = SlIterateArray()) != -1)
- SlObject(&_subsidies[index], _subsidies_desc);
-}
-
-int32 GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
-{
- CargoID 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, CargoID cargo_type, int num_pieces)
-{
- Industry* best = NULL;
- Industry* ind;
- uint u;
-
- // Check if there's an industry close to the station that accepts the cargo
- // XXX - Think of something better to
- // 1) Only deliver to industries which are withing the catchment radius
- // 2) Distribute between industries if more then one is present
- u = (_patches.station_spread + 8) * 2;
- FOR_ALL_INDUSTRIES(ind) {
- uint t;
-
- if (( cargo_type == ind->accepts_cargo[0] ||
- cargo_type == ind->accepts_cargo[1] ||
- cargo_type == ind->accepts_cargo[2]
- ) &&
- ind->produced_cargo[0] != CT_INVALID &&
- ind->produced_cargo[0] != cargo_type &&
- (t = DistanceManhattan(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, CargoID 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 = GetTown(s->from)->xy;
- } else {
- xy = (GetIndustry(s->from))->xy;
- }
- if (DistanceMax(xy, from->xy) > 9) continue;
-
- /* Check distance from dest */
- switch (cargo_type) {
- case CT_PASSENGERS:
- case CT_MAIL:
- case CT_GOODS:
- case CT_FOOD:
- xy = GetTown(s->to)->xy;
- break;
-
- default:
- xy = GetIndustry(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(2);
-
- p = GetPlayer(_current_player);
- SetDParam(0, p->name_1);
- SetDParam(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, CargoID cargo_type, StationID source, StationID dest, byte days_in_transit)
-{
- bool subsidised;
- Station *s_from, *s_to;
- int32 profit;
-
- assert(num_pieces > 0);
-
- // Update player statistics
- {
- Player *p = GetPlayer(_current_player);
- p->cur_economy.delivered_cargo += num_pieces;
- SETBIT(p->cargo_types, cargo_type);
- }
-
- // Get station pointers.
- s_from = GetStation(source);
- s_to = GetStation(dest);
-
- // Check if a subsidy applies.
- subsidised = CheckSubsidised(s_from, s_to, cargo_type);
-
- // Increase town's counter for some special goods types
- if (cargo_type == CT_FOOD) s_to->town->new_act_food += num_pieces;
- if (cargo_type == CT_WATER) s_to->town->new_act_water += num_pieces;
-
- // Give the goods to the industry.
- DeliverGoodsToIndustry(s_to->xy, cargo_type, num_pieces);
-
- // Determine profit
- profit = GetTransportedGoodsIncome(num_pieces, DistanceManhattan(s_from->xy, s_to->xy), days_in_transit, cargo_type);
-
- // Modify profit if a subsidy is in effect
- if (subsidised) {
- switch (_opt.diff.subsidy_multiplier) {
- case 0: profit += profit >> 1; break;
- case 1: profit *= 2; break;
- case 2: profit *= 3; break;
- default: profit *= 4; break;
- }
- }
-
- return profit;
-}
-
-/*
- * Returns true if Vehicle v should wait loading because other vehicle is
- * already loading the same cargo type
- * v = vehicle to load, u = GetFirstInChain(v)
- */
-static bool LoadWait(const Vehicle* v, const Vehicle* u)
-{
- const Vehicle *w;
- const Vehicle *x;
- bool has_any_cargo = false;
-
- if (!(u->current_order.flags & OF_FULL_LOAD)) return false;
-
- for (w = u; w != NULL; w = w->next) {
- if (w->cargo_count != 0) {
- if (v->cargo_type == w->cargo_type &&
- u->last_station_visited == w->cargo_source) {
- return false;
- }
- has_any_cargo = true;
- }
- }
-
- FOR_ALL_VEHICLES(x) {
- if ((x->type != VEH_Train || IsFrontEngine(x)) && // for all locs
- u->last_station_visited == x->last_station_visited && // at the same station
- !(x->vehstatus & (VS_STOPPED | VS_CRASHED)) && // not stopped or crashed
- x->current_order.type == OT_LOADING && // loading
- u != x) { // not itself
- bool other_has_any_cargo = false;
- bool has_space_for_same_type = false;
- bool other_has_same_type = false;
-
- for (w = x; w != NULL; w = w->next) {
- if (w->cargo_count < w->cargo_cap && v->cargo_type == w->cargo_type) {
- has_space_for_same_type = true;
- }
-
- if (w->cargo_count != 0) {
- if (v->cargo_type == w->cargo_type &&
- u->last_station_visited == w->cargo_source) {
- other_has_same_type = true;
- }
- other_has_any_cargo = true;
- }
- }
-
- if (has_space_for_same_type) {
- if (other_has_same_type) return true;
- if (other_has_any_cargo && !has_any_cargo) return true;
- }
- }
- }
-
- return false;
-}
-
-int LoadUnloadVehicle(Vehicle *v, bool just_arrived)
-{
- int profit = 0;
- int v_profit = 0; //virtual profit for feeder systems
- int v_profit_total = 0;
- int unloading_time = 20;
- Vehicle *u = v;
- int result = 0;
- StationID last_visited;
- Station *st;
- int t;
- uint count, cap;
- PlayerID old_player;
- bool completely_empty = true;
- byte load_amount;
- bool anything_loaded = false;
-
- assert(v->current_order.type == OT_LOADING);
-
- v->cur_speed = 0;
-
- /* Loading can only have finished when all the cargo has been unloaded, and
- * there is nothing left to load. It's easier to clear this if the
- * conditions haven't been met than attempting to check them all before
- * enabling though. */
- SETBIT(v->load_status, LS_LOADING_FINISHED);
-
- old_player = _current_player;
- _current_player = v->owner;
-
- last_visited = v->last_station_visited;
- st = GetStation(last_visited);
-
- for (; v != NULL; v = v->next) {
- GoodsEntry* ge;
- load_amount = EngInfo(v->engine_type)->load_amount;
- if (_patches.gradual_loading) {
- uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
- if (cb_load_amount != CALLBACK_FAILED) load_amount = cb_load_amount & 0xFF;
- }
-
- if (v->cargo_cap == 0) continue;
-
- /* If the vehicle has just arrived, set it to unload. */
- if (just_arrived) SETBIT(v->load_status, LS_CARGO_UNLOADING);
-
- ge = &st->goods[v->cargo_type];
- count = GB(ge->waiting_acceptance, 0, 12);
-
- /* unload? */
- if (v->cargo_count != 0 && HASBIT(v->load_status, LS_CARGO_UNLOADING)) {
- uint16 amount_unloaded = _patches.gradual_loading ? min(v->cargo_count, load_amount) : v->cargo_count;
-
- CLRBIT(u->load_status, LS_LOADING_FINISHED);
-
- if (v->cargo_source != last_visited && ge->waiting_acceptance & 0x8000 && !(u->current_order.flags & OF_TRANSFER)) {
- // deliver goods to the station
- st->time_since_unload = 0;
-
- unloading_time += v->cargo_count; /* TTDBUG: bug in original TTD */
- if (just_arrived && !HASBIT(v->load_status, LS_CARGO_PAID_FOR)) {
- profit += DeliverGoods(v->cargo_count, v->cargo_type, v->cargo_source, last_visited, v->cargo_days);
- SETBIT(v->load_status, LS_CARGO_PAID_FOR);
- }
- result |= 1;
- v->cargo_count -= amount_unloaded;
- if (_patches.gradual_loading) continue;
- } else if (u->current_order.flags & (OF_UNLOAD | OF_TRANSFER)) {
- /* unload goods and let it wait at the station */
- st->time_since_unload = 0;
- if (just_arrived && (u->current_order.flags & OF_TRANSFER) && !HASBIT(v->load_status, LS_CARGO_PAID_FOR)) {
- v_profit = GetTransportedGoodsIncome(
- v->cargo_count,
- DistanceManhattan(GetStation(v->cargo_source)->xy, GetStation(last_visited)->xy),
- v->cargo_days,
- v->cargo_type) * 3 / 2;
-
- v_profit_total += v_profit;
- SETBIT(v->load_status, LS_CARGO_PAID_FOR);
- }
-
- unloading_time += v->cargo_count;
- t = GB(ge->waiting_acceptance, 0, 12);
- if (t == 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 (last_visited != ge->enroute_from)
- ge->enroute_from = v->cargo_source;
- }
- // Update amount of waiting cargo
- SB(ge->waiting_acceptance, 0, 12, min(amount_unloaded + t, 0xFFF));
-
- if (u->current_order.flags & OF_TRANSFER) {
- ge->feeder_profit += v_profit;
- u->profit_this_year += v_profit;
- }
- result |= 2;
- v->cargo_count -= amount_unloaded;
- if (_patches.gradual_loading) continue;
- }
-
- if (v->cargo_count != 0) completely_empty = false;
- }
-
- /* The vehicle must have been unloaded because it is either empty, or
- * the UNLOADING bit is already clear in v->load_status. */
- CLRBIT(v->load_status, LS_CARGO_UNLOADING);
- CLRBIT(v->load_status, LS_CARGO_PAID_FOR);
-
- /* don't pick up goods that we unloaded */
- if (u->current_order.flags & OF_UNLOAD) continue;
-
- /* update stats */
- ge->days_since_pickup = 0;
- switch (u->type) {
- case VEH_Train: t = u->u.rail.cached_max_speed; break;
- case VEH_Road: t = u->max_speed / 2; break;
- default: t = u->max_speed; break;
- }
-
- // if last speed is 0, we treat that as if no vehicle has ever visited the station.
- ge->last_speed = min(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 != 0 &&
- (cap = v->cargo_cap - v->cargo_count) != 0) {
- int cargoshare;
- int feeder_profit_share;
-
- if (v->cargo_count == 0)
- TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
-
- /* Skip loading this vehicle if another train/vehicle is already handling
- * the same cargo type at this station */
- if (_patches.improved_load && (u->current_order.flags & OF_FULL_LOAD) && LoadWait(v,u)) continue;
-
- /* TODO: Regarding this, when we do gradual loading, we
- * should first unload all vehicles and then start
- * loading them. Since this will cause
- * VEHICLE_TRIGGER_EMPTY to be called at the time when
- * the whole vehicle chain is really totally empty, the
- * @completely_empty assignment can then be safely
- * removed; that's how TTDPatch behaves too. --pasky */
- completely_empty = false;
- anything_loaded = true;
-
- if (cap > count) cap = count;
- if (_patches.gradual_loading) cap = min(cap, load_amount);
- if (cap < count) CLRBIT(u->load_status, LS_LOADING_FINISHED);
- cargoshare = cap * 10000 / ge->waiting_acceptance;
- feeder_profit_share = ge->feeder_profit * cargoshare / 10000;
- v->cargo_count += cap;
- ge->waiting_acceptance -= cap;
- u->profit_this_year -= feeder_profit_share;
- ge->feeder_profit -= feeder_profit_share;
- 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_type = v->type;
- }
- }
-
- v = u;
-
- if (_patches.gradual_loading) {
- /* The time it takes to load one 'slice' of cargo or passengers depends
- * on the vehicle type - the values here are those found in TTDPatch */
- uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
-
- unloading_time = gradual_loading_wait_time[v->type - VEH_Train];
- if (HASBIT(v->load_status, LS_LOADING_FINISHED)) {
- if (anything_loaded) {
- unloading_time += 20;
- } else {
- unloading_time = 20;
- }
- }
- }
-
- if (v_profit_total > 0) {
- ShowFeederIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, v_profit_total);
- }
-
- if (v->type == VEH_Train) {
- // Each platform tile is worth 2 rail vehicles.
- int overhang = v->u.rail.cached_total_length - GetStationPlatforms(st, v->tile) * TILE_SIZE;
- if (overhang > 0) {
- unloading_time <<= 1;
- unloading_time += (overhang * unloading_time) / 8;
- }
- }
-
- v->load_unload_time_rem = unloading_time;
-
- if (completely_empty) {
- TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
- }
-
- if (result != 0) {
- InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
- MarkStationTilesDirty(st);
-
- if (result & 2) InvalidateWindow(WC_STATION_VIEW, last_visited);
-
- if (profit != 0) {
- v->profit_this_year += profit;
- SubtractMoneyFromPlayer(-profit);
-
- if (IsLocalPlayer() && !PlayVehicleSound(v, VSE_LOAD_UNLOAD)) {
- SndPlayVehicleFx(SND_14_CASHTILL, v);
- }
-
- ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, -profit);
- }
- }
-
- _current_player = old_player;
- return result;
-}
-
-void PlayersMonthlyLoop(void)
-{
- PlayersGenStatistics();
- if (_patches.inflation && _cur_year < MAX_YEAR)
- AddInflation();
- PlayersPayInterest();
- // Reset the _current_player flag
- _current_player = OWNER_NONE;
- HandleEconomyFluctuations();
- SubsidyMonthlyHandler();
-}
-
-static void DoAcquireCompany(Player *p)
-{
- Player *owner;
- int i,pi;
- int64 value;
-
- SetDParam(0, p->name_1);
- SetDParam(1, p->name_2);
- SetDParam(2, p->bankrupt_value);
- AddNewsItem( (StringID)(_current_player | NB_BMERGER), 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 = GetPlayer(_current_player);
- owner->current_loan += p->current_loan;
- }
-
- value = CalculateCompanyValue(p) >> 2;
- for (i = 0; i != 4; i++) {
- if (p->share_owners[i] != PLAYER_SPECTATOR) {
- owner = GetPlayer(p->share_owners[i]);
- owner->money64 += value;
- owner->yearly_expenses[0][EXPENSES_OTHER] += value;
- UpdatePlayerMoney32(owner);
- }
- }
-
- p->is_active = false;
-
- DeletePlayerWindows(pi);
- RebuildVehicleLists(); //Updates the open windows to add the newly acquired vehicles to the lists
-}
-
-extern int GetAmountOwnedBy(Player *p, byte owner);
-
-/** Acquire shares in an opposing company.
- * @param tile unused
- * @param p1 player to buy the shares from
- * @param p2 unused
- */
-int32 CmdBuyShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
- Player *p;
- int64 cost;
-
- /* Check if buying shares is allowed (protection against modified clients */
- if (!IsValidPlayer((PlayerID)p1) || !_patches.allow_shares) return CMD_ERROR;
-
- SET_EXPENSES_TYPE(EXPENSES_OTHER);
- p = GetPlayer(p1);
-
- /* Protect new companies from hostile takeovers */
- if (_cur_year - p->inaugurated_year < 6) return_cmd_error(STR_7080_PROTECTED);
-
- /* Those lines are here for network-protection (clients can be slow) */
- if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 0) return 0;
-
- /* We can not buy out a real player (temporarily). TODO: well, enable it obviously */
- if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 1 && !p->is_ai) return 0;
-
- cost = CalculateCompanyValue(p) >> 2;
- if (flags & DC_EXEC) {
- PlayerID* b = p->share_owners;
- int i;
-
- while (*b != PLAYER_SPECTATOR) b++; /* share owners is guaranteed to contain at least one PLAYER_SPECTATOR */
- *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, p1);
- }
- return cost;
-}
-
-/** Sell shares in an opposing company.
- * @param tile unused
- * @param p1 player to sell the shares from
- * @param p2 unused
- */
-int32 CmdSellShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
- Player *p;
- int64 cost;
-
- /* Check if buying shares is allowed (protection against modified clients */
- if (!IsValidPlayer((PlayerID)p1) || !_patches.allow_shares) return CMD_ERROR;
-
- SET_EXPENSES_TYPE(EXPENSES_OTHER);
- p = GetPlayer(p1);
-
- /* Those lines are here for network-protection (clients can be slow) */
- if (GetAmountOwnedBy(p, _current_player) == 0) return 0;
-
- /* 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) {
- PlayerID* b = p->share_owners;
- while (*b != _current_player) b++; /* share owners is guaranteed to contain player */
- *b = PLAYER_SPECTATOR;
- InvalidateWindow(WC_COMPANY, p1);
- }
- return cost;
-}
-
-/** Buy up another company.
- * When a competing company is gone bankrupt you get the chance to purchase
- * that company.
- * @todo currently this only works for AI players
- * @param tile unused
- * @param p1 player/company to buy up
- * @param p2 unused
- */
-int32 CmdBuyCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
- Player *p;
-
- /* Disable takeovers in multiplayer games */
- if (!IsValidPlayer((PlayerID)p1) || _networking) return CMD_ERROR;
-
- SET_EXPENSES_TYPE(EXPENSES_OTHER);
- p = GetPlayer(p1);
-
- if (!p->is_ai) return CMD_ERROR;
-
- if (flags & DC_EXEC) {
- DoAcquireCompany(p);
- }
- return p->bankrupt_value;
-}
-
-// Prices
-static void SaveLoad_PRIC(void)
-{
- SlArray(&_price, NUM_PRICES, SLE_INT32);
- SlArray(&_price_frac, NUM_PRICES, SLE_UINT16);
-}
-
-// Cargo payment rates
-static void SaveLoad_CAPR(void)
-{
- SlArray(&_cargo_payment_rates, NUM_CARGO, SLE_INT32);
- SlArray(&_cargo_payment_rates_frac, NUM_CARGO, SLE_UINT16);
-}
-
-static const SaveLoad _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(void)
-{
- 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},
-};