truelight@0: #include "stdafx.h"
truelight@0: #include "ttd.h"
tron@507: #include "table/strings.h"
tron@679: #include "map.h"
truelight@0: #include "news.h"
truelight@0: #include "player.h"
truelight@0: #include "station.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "window.h"
truelight@0: #include "gfx.h"
truelight@0: #include "command.h"
truelight@0: #include "saveload.h"
truelight@0: #include "economy.h"
truelight@0: #include "industry.h"
truelight@0: #include "town.h"
signde@239: #include "network.h"
tron@337: #include "sound.h"
tron@445: #include "engine.h"
truelight@543: #include "network_data.h"
truelight@0: 
dominik@762: // get a mask of the allowed currencies depending on the year
dominik@768: uint GetMaskOfAllowedCurrencies(void)
dominik@762: {
dominik@762: 	int i;
dominik@762: 	uint mask = 0;
dominik@768: 	for (i = 0; i != lengthof(_currency_specs); i++) {
dominik@762: 		uint16 to_euro = _currency_specs[i].to_euro;
dominik@762: 		if (i == 23) mask |= (1 << 23); // always allow custom currency
dominik@762: 		if (to_euro != CF_NOEURO && to_euro != CF_ISEURO && _cur_year >= (to_euro-1920)) continue;
dominik@762: 		if (_cur_year < (2000-1920) && (to_euro == CF_ISEURO)) continue;
dominik@762: 		mask |= (1 << i);
dominik@762: 	}
dominik@762: 	return mask;
dominik@762: }
dominik@762: 
dominik@768: void CheckSwitchToEuro(void)
dominik@762: {
dominik@762: 	if (_currency_specs[_opt.currency].to_euro != CF_NOEURO &&
dominik@762: 			_currency_specs[_opt.currency].to_euro != CF_ISEURO &&
dominik@762: 			_cur_year >= (_currency_specs[_opt.currency].to_euro-1920)) {
dominik@762: 		_opt.currency = 2; // this is the index of euro above.
dominik@762: 		AddNewsItem(STR_EURO_INTRODUCE, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
dominik@762: 	}
dominik@762: }
dominik@762: 
darkvater@147: void UpdatePlayerHouse(Player *p, uint score)
truelight@0: {
truelight@0: 	byte val;
truelight@0: 	uint tile = p->location_of_house;
truelight@0: 
truelight@0: 	if (tile == 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	(val = 128, score < 170) ||
truelight@0: 	(val+= 4, score < 350) ||
truelight@0: 	(val+= 4, score < 520) ||
truelight@0: 	(val+= 4, score < 720) ||
truelight@0: 	(val+= 4, true);
truelight@0: 
truelight@0: /* house is already big enough */
truelight@0: 	if (val <= _map5[tile])
truelight@0: 		return;
truelight@0: 
truelight@0: 	_map5[tile + TILE_XY(0,0)] = val;
truelight@0: 	_map5[tile + TILE_XY(0,1)] = ++val;
truelight@0: 	_map5[tile + TILE_XY(1,0)] = ++val;
truelight@0: 	_map5[tile + TILE_XY(1,1)] = ++val;
truelight@0: 
truelight@0: 	MarkTileDirtyByTile(tile + TILE_XY(0,0));
truelight@0: 	MarkTileDirtyByTile(tile + TILE_XY(0,1));
truelight@0: 	MarkTileDirtyByTile(tile + TILE_XY(1,0));
truelight@0: 	MarkTileDirtyByTile(tile + TILE_XY(1,1));
truelight@0: }
truelight@0: 
truelight@200: int64 CalculateCompanyValue(Player *p) {
truelight@0: 	byte owner = p->index;
truelight@200: 	int64 value;
truelight@193: 
truelight@0: 	{
truelight@0: 		Station *st;
truelight@0: 		uint num = 0;
truelight@193: 
truelight@0: 		FOR_ALL_STATIONS(st) {
truelight@0: 			if (st->xy != 0 && st->owner == owner) {
truelight@0: 				uint facil = st->facilities;
truelight@0: 				do num += (facil&1); while (facil >>= 1);
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		value = num * _price.station_value * 25;
truelight@0: 	}
truelight@0: 
truelight@0: 	{
truelight@0: 		Vehicle *v;
truelight@0: 
truelight@0: 		FOR_ALL_VEHICLES(v) {
truelight@0: 			if (v->owner != owner)
truelight@0: 				continue;
truelight@0: 			if (v->type == VEH_Train ||
truelight@0: 					v->type == VEH_Road ||
truelight@0: 					(v->type == VEH_Aircraft && v->subtype<=2) ||
truelight@0: 					v->type == VEH_Ship) {
truelight@0: 				value += v->value * 3 >> 1;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@816: 	if (p->player_money > 0)
truelight@816: 		value += p->money64; // add real money value
truelight@0: 
truelight@0: 	return value;
truelight@0: }
truelight@0: 
dominik@116: // if update is set to true, the economy is updated with this score
dominik@116: //  (also the house is updated, should only be true in the on-tick event)
darkvater@147: int UpdateCompanyRatingAndValue(Player *p, bool update)
truelight@0: {
truelight@0: 	byte owner = p->index;
dominik@116: 	int score = 0;
dominik@116: 
dominik@116: 	memset(_score_part[owner], 0, sizeof(_score_part[owner]));
truelight@0: 
truelight@0: /* Count vehicles */
truelight@0: 	{
truelight@0: 		Vehicle *v;
truelight@0: 		int32 min_profit = MAX_INT;
truelight@0: 		uint num = 0;
truelight@0: 
truelight@0: 		FOR_ALL_VEHICLES(v) {
truelight@0: 			if (v->owner != owner)
truelight@0: 				continue;
truelight@0: 			if ((v->type == VEH_Train && v->subtype == 0) ||
truelight@0: 					v->type == VEH_Road ||
truelight@0: 					(v->type == VEH_Aircraft && v->subtype<=2) ||
truelight@0: 					v->type == VEH_Ship) {
truelight@0: 				num++;
truelight@0: 				if (v->age > 730) {
dominik@116: 					if (min_profit > v->profit_last_year)
truelight@0: 						min_profit = v->profit_last_year;
truelight@0: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 
dominik@116: 		_score_part[owner][SCORE_VEHICLES] = num;
truelight@0: 
truelight@0: 		if (min_profit != MAX_INT && min_profit > 0)
dominik@116: 			_score_part[owner][SCORE_MIN_PROFIT] = min_profit;
truelight@0: 	}
truelight@0: 
truelight@0: /* Count stations */
truelight@0: 	{
truelight@0: 		uint num = 0;
truelight@0: 		Station *st;
truelight@0: 
truelight@0: 		FOR_ALL_STATIONS(st) {
truelight@0: 			if (st->xy != 0 && st->owner == owner) {
truelight@0: 				int facil = st->facilities;
truelight@0: 				do num += facil&1; while (facil>>=1);
truelight@0: 			}
truelight@0: 		}
dominik@116: 		_score_part[owner][SCORE_STATIONS] = num;
truelight@0: 	}
truelight@0: 
truelight@0: /* Generate statistics depending on recent income statistics */
truelight@0: 	{
truelight@0: 		PlayerEconomyEntry *pee;
truelight@0: 		int numec;
truelight@0: 		int32 min_income;
truelight@543: 		int32 max_income;
truelight@0: 
truelight@0: 		numec = min(p->num_valid_stat_ent, 12);
truelight@0: 		if (numec != 0) {
truelight@0: 			min_income = 0x7FFFFFFF;
truelight@0: 			max_income = 0;
truelight@0: 			pee = p->old_economy;
truelight@0: 			do {
truelight@0: 				min_income = min(min_income, pee->income + pee->expenses);
truelight@0: 				max_income = max(max_income, pee->income + pee->expenses);
truelight@0: 			} while (++pee,--numec);
truelight@0: 
truelight@0: 			if (min_income > 0)
dominik@116: 				_score_part[owner][SCORE_MIN_INCOME] = min_income;
truelight@0: 
dominik@116: 			_score_part[owner][SCORE_MAX_INCOME] = max_income;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: /* Generate score depending on amount of transported cargo */
truelight@0: 	{
truelight@0: 		PlayerEconomyEntry *pee;
truelight@0: 		int numec;
truelight@0: 		uint32 total_delivered;
truelight@0: 
truelight@0: 		numec = min(p->num_valid_stat_ent, 4);
truelight@0: 		if (numec != 0) {
truelight@0: 			pee = p->old_economy;
truelight@0: 			total_delivered = 0;
truelight@0: 			do {
truelight@0: 				total_delivered += pee->delivered_cargo;
truelight@0: 			} while (++pee,--numec);
truelight@0: 
dominik@116: 			_score_part[owner][SCORE_DELIVERED] = total_delivered;
truelight@0: 		}
truelight@0: 	}
dominik@116: 
truelight@0: /* Generate score for variety of cargo */
truelight@0: 	{
truelight@0: 		uint cargo = p->cargo_types;
truelight@0: 		uint num = 0;
truelight@0: 		do num += cargo&1; while (cargo>>=1);
dominik@116: 		_score_part[owner][SCORE_CARGO] = num;
dominik@116: 		if (update)
dominik@116: 			p->cargo_types = 0;
truelight@0: 	}
truelight@0: 
truelight@0: /* Generate score for player money */
truelight@0: 	{
truelight@0: 		int32 money = p->player_money;
truelight@0: 		if (money > 0) {
dominik@116: 			_score_part[owner][SCORE_MONEY] = money;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: /* Generate score for loan */
truelight@0: 	{
dominik@116: 		_score_part[owner][SCORE_LOAN] = score_info[SCORE_LOAN].needed - p->current_loan;
dominik@116: 	}
truelight@193: 
dominik@116: 	// Now we calculate the score for each item..
dominik@116: 	{
dominik@116: 		int i;
dominik@116: 		int total_score = 0;
dominik@116: 		int s;
dominik@116: 		score = 0;
dominik@116: 		for (i=0;i<NUM_SCORE;i++) {
dominik@116: 			// Skip the total
dominik@116: 			if (i == SCORE_TOTAL) continue;
dominik@116: 			// Check the score
dominik@116: 			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);
dominik@116: 			if (s < 0) s = 0;
dominik@116: 			score += s;
dominik@116: 			total_score += score_info[i].score;
dominik@116: 		}
truelight@193: 
dominik@116: 		_score_part[owner][SCORE_TOTAL] = score;
truelight@193: 
dominik@116: 		// We always want the score scaled to SCORE_MAX (1000)
dominik@116: 		if (total_score != SCORE_MAX)
dominik@116: 			score = score * SCORE_MAX / total_score;
truelight@0: 	}
truelight@0: 
dominik@116: 	if (update) {
dominik@116:     	p->old_economy[0].performance_history = score;
dominik@116:     	UpdatePlayerHouse(p, score);
dominik@116:     	p->old_economy[0].company_value = CalculateCompanyValue(p);
dominik@116:     }
truelight@193: 
dominik@116: 	InvalidateWindow(WC_PERFORMANCE_DETAIL, 0);
darkvater@147: 	return score;
truelight@0: }
truelight@0: 
truelight@0: // use 255 as new_player to delete the player.
truelight@0: void ChangeOwnershipOfPlayerItems(byte old_player, byte new_player)
truelight@0: {
truelight@0: 	byte old = _current_player;
truelight@0: 	_current_player = old_player;
truelight@0: 
truelight@0: 	if (new_player == 255) {
truelight@0: 		Subsidy *s;
truelight@193: 
truelight@0: 		for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 			if (s->cargo_type != 0xff && s->age >= 12) {
truelight@919: 				Station *st = GetStation(s->to);
truelight@0: 				if (st->owner == old_player)
truelight@0: 					s->cargo_type = 0xff;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	// take care of rating in towns
truelight@0: 	{
truelight@0: 		Town *t;
truelight@193: 
truelight@0: 		// if a player takes over, give the ratings to that player.
truelight@0: 		if (new_player != 255) {
truelight@0: 			FOR_ALL_TOWNS(t) if (t->xy && HASBIT(t->have_ratings, old_player)) {
truelight@0: 				if (HASBIT(t->have_ratings, new_player)) {
truelight@0: 					// use max of the two ratings.
truelight@0: 					t->ratings[new_player] = max(t->ratings[new_player], t->ratings[old_player]);
truelight@0: 				} else {
truelight@0: 					SETBIT(t->have_ratings, new_player);
truelight@0: 					t->ratings[new_player] = t->ratings[old_player];
truelight@0: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		// reset rating for the towns.
truelight@0: 		FOR_ALL_TOWNS(t) if (t->xy) {
truelight@0: 			t->ratings[old_player] = 500;
truelight@0: 			CLRBIT(t->have_ratings, old_player);
truelight@0: 		}
truelight@0: 	}
truelight@193: 
truelight@0: 	{
truelight@0: 		int num_train = 0;
truelight@0: 		int num_road = 0;
truelight@0: 		int num_ship = 0;
truelight@0: 		int num_aircraft = 0;
truelight@0: 		Vehicle *v;
truelight@0: 
truelight@0: 		// Determine Ids for the new vehicles
truelight@0: 		FOR_ALL_VEHICLES(v) {
truelight@0: 			if (v->owner == new_player) {
truelight@0: 				if (v->type == VEH_Train && v->subtype == 0)
truelight@0: 					num_train++;
truelight@0: 				else if (v->type == VEH_Road)
truelight@0: 					num_road++;
truelight@0: 				else if (v->type == VEH_Ship)
truelight@0: 					num_ship++;
truelight@0: 				else if (v->type == VEH_Aircraft && v->subtype <= 2)
truelight@0: 					num_aircraft++;
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		FOR_ALL_VEHICLES(v) {
truelight@0: 			if (v->owner == old_player && IS_BYTE_INSIDE(v->type, VEH_Train, VEH_Aircraft+1) ) {
truelight@0: 				if (new_player == 255) {
truelight@0: 					DeleteWindowById(WC_VEHICLE_VIEW, v->index);
truelight@0: 					DeleteWindowById(WC_VEHICLE_DETAILS, v->index);
truelight@0: 					DeleteWindowById(WC_VEHICLE_ORDERS, v->index);
truelight@0: 					DeleteVehicle(v);
truelight@0: 				} else {
truelight@0: 					v->owner = new_player;
truelight@0: 					if (v->type == VEH_Train && v->subtype == 0)
truelight@0: 						v->unitnumber = ++num_train;
truelight@0: 					else if (v->type == VEH_Road)
truelight@0: 						v->unitnumber = ++num_road;
truelight@0: 					else if (v->type == VEH_Ship)
truelight@0: 						v->unitnumber = ++num_ship;
truelight@0: 					else if (v->type == VEH_Aircraft && v->subtype <= 2)
truelight@0: 						v->unitnumber = ++num_aircraft;
truelight@0: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	// Change ownership of tiles
truelight@0: 	{
truelight@0: 		uint tile = 0;
truelight@0: 		do {
truelight@0: 			ChangeTileOwner(tile, old_player, new_player);
tron@863: 		} while (++tile != MapSize());
truelight@0: 	}
truelight@0: 
truelight@0: 	// Change color of existing windows
truelight@0: 	if (new_player != 255) {
truelight@0: 		Window *w;
truelight@0: 		for(w=_windows; w != _last_window; w++) {
truelight@0: 			if (w->caption_color == old_player)
truelight@0: 				w->caption_color = new_player;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@780: 	{
truelight@780: 		Player *p;
truelight@780: 		uint i;
truelight@780: 
truelight@780: 		/* Check for shares */
truelight@780: 		FOR_ALL_PLAYERS(p) {
truelight@780: 			for(i = 0; i < 4; i++) {
truelight@780: 				/* 'Sell' the share if this player has any */
truelight@780: 				if (p->share_owners[i] == _current_player)
truelight@780: 					p->share_owners[i] = 0xFF;
truelight@780: 			}
truelight@780: 		}
truelight@780: 		p = DEREF_PLAYER(_current_player);
truelight@780: 		/* Sell all the shares that people have on this company */
truelight@780: 		for(i = 0; i < 4; i++)
truelight@780: 			p->share_owners[i] = 0xFF;
truelight@780: 	}
truelight@780: 
truelight@0: 	_current_player = old;
truelight@0: 
truelight@0: 	MarkWholeScreenDirty();
truelight@0: }
truelight@0: 
truelight@0: extern void DeletePlayerWindows(int pi);
truelight@0: 
truelight@0: static void PlayersCheckBankrupt(Player *p)
truelight@0: {
truelight@0: 	int owner;
truelight@200: 	int64 val;
truelight@0: 
truelight@543: 	// If the player has money again, it does not go bankrupt
truelight@0: 	if (p->player_money >= 0) {
truelight@0: 		p->quarters_of_bankrupcy = 0;
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@0: 	p->quarters_of_bankrupcy++;
truelight@0: 
truelight@0: 	owner = p->index;
truelight@0: 
truelight@543: 	switch (p->quarters_of_bankrupcy) {
truelight@543: 		case 2:
truelight@543: 			AddNewsItem( (StringID)(owner + 16),
truelight@543: 				NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
truelight@543: 			break;
truelight@543: 		case 3: {
truelight@543: 			/* XXX - In multiplayer, should we ask other players if it wants to take
truelight@543: 		          over when it is a human company? -- TrueLight */
truelight@543: 			if (IS_HUMAN_PLAYER(owner)) {
truelight@543: 				AddNewsItem( (StringID)(owner + 16),
truelight@543: 					NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
truelight@543: 				break;
truelight@543: 			}
truelight@0: 
truelight@543: 			// Check if the company has any value.. if not, declare it bankrupt
truelight@543: 			//  right now
truelight@543: 			val = CalculateCompanyValue(p);
truelight@543: 			if (val > 0) {
truelight@543: 				p->bankrupt_value = val;
truelight@543: 				p->bankrupt_asked = 1 << owner; // Don't ask the owner
truelight@543: 				p->bankrupt_timeout = 0;
truelight@543: 				break;
truelight@543: 			}
truelight@543: 			// Else, falltrue to case 4...
truelight@0: 		}
truelight@543: 		case 4: {
truelight@543: 			// Close everything the owner has open
truelight@543: 			DeletePlayerWindows(owner);
truelight@0: 
truelight@543: //		Show bankrupt news
truelight@543: 			SetDParam(0, p->name_1);
truelight@543: 			SetDParam(1, p->name_2);
truelight@543: 			AddNewsItem( (StringID)(owner + 16*3), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
truelight@543: 
truelight@543: 			// If the player is human, and it is no network play, leave the player playing
truelight@543: 			if (IS_HUMAN_PLAYER(owner) && !_networking) {
truelight@543: 				p->bankrupt_asked = 255;
truelight@543: 				p->bankrupt_timeout = 0x456;
truelight@543: 			} else {
truelight@630: #ifdef ENABLE_NETWORK
truelight@543: 				if (IS_HUMAN_PLAYER(owner) && _network_server) {
truelight@687: 					// If we are the server, make sure it is clear that his player is no
truelight@687: 					//  longer with us!
truelight@543: 					NetworkClientInfo *ci;
truelight@716: 					NetworkClientState *cs;
truelight@687: 					/* Find all clients that were in control of this company */
truelight@687: 					FOR_ALL_CLIENTS(cs) {
truelight@687: 						ci = DEREF_CLIENT_INFO(cs);
truelight@687: 						if ((ci->client_playas-1) == owner) {
truelight@687: 							ci->client_playas = OWNER_SPECTATOR;
truelight@687: 							// Send the new info to all the clients
truelight@687: 							NetworkUpdateClientInfo(_network_own_client_index);
truelight@687: 						}
truelight@687: 					}
truelight@543: 				}
truelight@543: 				// Make sure the player no longer controls the company
truelight@543: 				if (IS_HUMAN_PLAYER(owner) && owner == _local_player) {
truelight@543: 					// Switch the player to spectator..
truelight@543: 					_local_player = OWNER_SPECTATOR;
truelight@543: 				}
truelight@687: #endif /* ENABLE_NETWORK */
truelight@687: 
truelight@543: 				// Convert everything the player owns to NO_OWNER
truelight@543: 				p->money64 = p->player_money = 100000000;
truelight@543: 				ChangeOwnershipOfPlayerItems(owner, 0xFF); // 255 is no owner
truelight@543: 				// Register the player as not-active
truelight@543: 				p->is_active = false;
truelight@543: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DrawNewsBankrupcy(Window *w)
truelight@0: {
truelight@0: 	Player *p;
truelight@0: 
truelight@193: 	DrawNewsBorder(w);
truelight@0: 
truelight@0: 	p = DEREF_PLAYER(WP(w,news_d).ni->string_id & 15);
truelight@0: 	DrawPlayerFace(p->face, p->player_color, 2, 23);
truelight@0: 	GfxFillRect(3, 23, 3+91, 23+118, 0x4323);
truelight@0: 
tron@534: 	SetDParam(0, p->president_name_1);
tron@534: 	SetDParam(1, p->president_name_2);
truelight@0: 
truelight@0: 	DrawStringMultiCenter(49, 148, STR_7058_PRESIDENT, 94);
truelight@0: 
truelight@0: 	switch(WP(w,news_d).ni->string_id >> 4) {
truelight@0: 	case 1:
truelight@0: 		DrawStringCentered(w->width>>1, 1, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE, 0);
truelight@0: 
tron@534: 		SetDParam(0, p->name_1);
tron@534: 		SetDParam(1, p->name_2);
truelight@0: 
truelight@0: 		DrawStringMultiCenter(
truelight@0: 			((w->width - 101) >> 1) + 98,
truelight@0: 			90,
truelight@0: 			STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED,
truelight@0: 			w->width - 101);
truelight@0: 		break;
truelight@0: 
truelight@0: 	case 2: {
truelight@0: 		int32 price;
truelight@0: 
truelight@0: 		DrawStringCentered(w->width>>1, 1, STR_7059_TRANSPORT_COMPANY_MERGER, 0);
truelight@0: 		COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
tron@534: 		SetDParam(2, p->name_1);
tron@534: 		SetDParam(3, p->name_2);
truelight@0: 		price = WP(w,news_d).ni->params[2];
tron@534: 		SetDParam(4, price);
truelight@0: 		DrawStringMultiCenter(
truelight@0: 			((w->width - 101) >> 1) + 98,
truelight@0: 			90,
truelight@0: 			price==0 ? STR_707F_HAS_BEEN_TAKEN_OVER_BY : STR_705A_HAS_BEEN_SOLD_TO_FOR,
truelight@0: 			w->width - 101);
truelight@0: 		break;
truelight@0: 	}
truelight@0: 
truelight@0: 	case 3:
truelight@0: 		DrawStringCentered(w->width>>1, 1, STR_705C_BANKRUPT, 0);
truelight@0: 		COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
truelight@0: 		DrawStringMultiCenter(
truelight@0: 			((w->width - 101) >> 1) + 98,
truelight@0: 			90,
truelight@0: 			STR_705D_HAS_BEEN_CLOSED_DOWN_BY,
truelight@0: 			w->width - 101);
truelight@193: 		break;
truelight@0: 
truelight@0: 	case 4:
truelight@0: 		DrawStringCentered(w->width>>1, 1, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED, 0);
tron@534: 		SetDParam(0, p->name_1);
tron@534: 		SetDParam(1, p->name_2);
truelight@0: 		COPY_IN_DPARAM(2,WP(w,news_d).ni->params, 2);
truelight@0: 		DrawStringMultiCenter(
truelight@0: 			((w->width - 101) >> 1) + 98,
truelight@0: 			90,
truelight@0: 			STR_705F_STARTS_CONSTRUCTION_NEAR,
truelight@0: 			w->width - 101);
truelight@0: 		break;
truelight@0: 
truelight@0: 	default:
truelight@0: 		NOT_REACHED();
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: StringID GetNewsStringBankrupcy(NewsItem *ni)
truelight@0: {
truelight@0: 	Player *p = DEREF_PLAYER(ni->string_id & 0xF);
truelight@0: 
truelight@0: 	switch(ni->string_id >> 4) {
truelight@0: 	case 1:
tron@534: 		SetDParam(0, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE);
tron@534: 		SetDParam(1, STR_7057_WILL_BE_SOLD_OFF_OR_DECLARED);
tron@534: 		SetDParam(2, p->name_1);
tron@534: 		SetDParam(3, p->name_2);
truelight@0: 		return STR_02B6;
truelight@0: 	case 2:
tron@534: 		SetDParam(0, STR_7059_TRANSPORT_COMPANY_MERGER);
tron@534: 		SetDParam(1, STR_705A_HAS_BEEN_SOLD_TO_FOR);
truelight@0: 		COPY_IN_DPARAM(2,ni->params, 2);
tron@534: 		SetDParam(4, p->name_1);
tron@534: 		SetDParam(5, p->name_2);
truelight@0: 		COPY_IN_DPARAM(6,ni->params + 2, 1);
truelight@0: 		return STR_02B6;
truelight@0: 	case 3:
tron@534: 		SetDParam(0, STR_705C_BANKRUPT);
tron@534: 		SetDParam(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
truelight@0: 		COPY_IN_DPARAM(2,ni->params, 2);
truelight@0: 		return STR_02B6;
truelight@0: 	case 4:
tron@534: 		SetDParam(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
tron@534: 		SetDParam(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
tron@534: 		SetDParam(2, p->name_1);
tron@534: 		SetDParam(3, p->name_2);
truelight@0: 		COPY_IN_DPARAM(4,ni->params, 2);
truelight@0: 		return STR_02B6;
truelight@0: 	default:
truelight@0: 		NOT_REACHED();
truelight@0: 	}
truelight@193: 
truelight@0: 	/* useless, but avoids compiler warning this way */
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: static void PlayersGenStatistics()
truelight@0: {
truelight@0: 	Station *st;
truelight@0: 	Player *p;
truelight@0: 
truelight@0: 	FOR_ALL_STATIONS(st) {
truelight@0: 		if (st->xy != 0) {
truelight@0: 			_current_player = st->owner;
truelight@0: 			SET_EXPENSES_TYPE(EXPENSES_PROPERTY);
truelight@0: 			SubtractMoneyFromPlayer(_price.station_value >> 1);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (!HASBIT(1<<0|1<<3|1<<6|1<<9, _cur_month))
truelight@0: 		return;
truelight@0: 
truelight@0: 	FOR_ALL_PLAYERS(p) {
truelight@0: 		if (p->is_active) {
truelight@0: 			memmove(&p->old_economy, &p->cur_economy, sizeof(p->old_economy));
truelight@0: 			memset(&p->cur_economy, 0, sizeof(p->cur_economy));
truelight@0: 
truelight@0: 			if (p->num_valid_stat_ent != 24)
truelight@0: 				p->num_valid_stat_ent++;
truelight@0: 
dominik@116: 			UpdateCompanyRatingAndValue(p, true);
truelight@0: 			PlayersCheckBankrupt(p);
truelight@0: 
truelight@0: 			if (p->block_preview != 0)
truelight@0: 				p->block_preview--;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	InvalidateWindow(WC_INCOME_GRAPH, 0);
truelight@0: 	InvalidateWindow(WC_OPERATING_PROFIT, 0);
truelight@0: 	InvalidateWindow(WC_DELIVERED_CARGO, 0);
truelight@0: 	InvalidateWindow(WC_PERFORMANCE_HISTORY, 0);
truelight@0: 	InvalidateWindow(WC_COMPANY_VALUE, 0);
truelight@0: 	InvalidateWindow(WC_COMPANY_LEAGUE, 0);
truelight@0: }
truelight@0: 
truelight@0: static void AddSingleInflation(int32 *value, uint16 *frac, int32 amt)
truelight@0: {
truelight@0: 	int64 tmp;
truelight@0: 	int32 low;
truelight@0: 	tmp = BIGMULS(*value, amt);
truelight@0: 	*frac = (uint16)(low = (uint16)tmp + *frac);
truelight@0: 	*value += (int32)(tmp >> 16) + (low >> 16);
truelight@0: }
truelight@0: 
truelight@0: static void AddInflation()
truelight@0: {
truelight@0: 	int i;
truelight@0: 	int32 inf = _economy.infl_amount * 54;
truelight@0: 
truelight@0: 	for(i=0; i!=NUM_PRICES; i++) {
truelight@0: 		AddSingleInflation( (int32*)&_price + i, _price_frac + i, inf );
truelight@0: 	}
truelight@0: 
truelight@0: 	_economy.max_loan_unround += BIGMULUS(_economy.max_loan_unround, inf, 16);
truelight@193: 
truelight@0: 	if (_economy.max_loan + 50000 <= _economy.max_loan_unround)
truelight@0: 		_economy.max_loan += 50000;
truelight@0: 
truelight@0: 	inf = _economy.infl_amount_pr * 54;
truelight@0: 	for(i=0; i!=NUM_CARGO; i++) {
truelight@193: 		AddSingleInflation(
truelight@0: 			_cargo_payment_rates + i,
truelight@0: 			_cargo_payment_rates_frac + i,
truelight@0: 			inf
truelight@0: 		);
truelight@0: 	}
truelight@0: 
truelight@0: 	InvalidateWindowClasses(WC_BUILD_VEHICLE);
truelight@0: 	InvalidateWindowClasses(WC_VEHICLE_DETAILS);
truelight@0: 	InvalidateWindow(WC_PAYMENT_RATES, 0);
truelight@0: }
truelight@0: 
truelight@0: static void PlayersPayInterest()
truelight@0: {
truelight@0: 	Player *p;
truelight@0: 	int interest = _economy.interest_rate * 54;
truelight@0: 
truelight@0: 	FOR_ALL_PLAYERS(p) {
truelight@0: 		if (!p->is_active)
truelight@0: 			continue;
truelight@0: 
truelight@0: 		_current_player = p->index;
truelight@0: 		SET_EXPENSES_TYPE(EXPENSES_LOAN_INT);
truelight@193: 
truelight@0: 		SubtractMoneyFromPlayer(BIGMULUS(p->current_loan, interest, 16));
truelight@0: 
truelight@0: 		SET_EXPENSES_TYPE(EXPENSES_OTHER);
truelight@0: 		SubtractMoneyFromPlayer(_price.station_value >> 2);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void HandleEconomyFluctuations()
truelight@0: {
truelight@0: 	if (_opt.diff.economy == 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (--_economy.fluct == 0) {
truelight@0: 		_economy.fluct = - (int)(Random()&3);
truelight@0: 		AddNewsItem(STR_7073_WORLD_RECESSION_FINANCIAL, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
truelight@0: 	} else if (_economy.fluct == -12) {
truelight@0: 		_economy.fluct = (Random()&255) + 312;
truelight@0: 		AddNewsItem(STR_7074_RECESSION_OVER_UPTURN_IN, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static byte _price_category[NUM_PRICES] = {
truelight@0: 	0, 2, 2, 2, 2, 2, 2, 2,
truelight@0: 	2, 2, 2, 2, 2, 2, 2, 2,
truelight@0: 	2, 2, 2, 2, 2, 2, 2, 2,
truelight@0: 	2, 2, 2, 2, 2, 2, 2, 2,
truelight@0: 	2, 2, 2, 2, 2, 2, 2, 2,
truelight@0: 	2, 2, 1, 1, 1, 1, 1, 1,
truelight@0: 	2,
truelight@0: };
truelight@0: 
truelight@0: static const int32 _price_base[NUM_PRICES] = {
dominik@9: 	100,		// station_value
dominik@9: 	100,		// build_rail
dominik@9: 	95,			// build_road
dominik@9: 	65,			// build_signals
dominik@9: 	275,		// build_bridge
dominik@9: 	600,		// build_train_depot
dominik@9: 	500,		// build_road_depot
dominik@9: 	700,		// build_ship_depot
dominik@9: 	450,		// build_tunnel
dominik@9: 	200,		// train_station_track
dominik@9: 	180,		// train_station_length
dominik@9: 	600,		// build_airport
dominik@9: 	200,		// build_bus_station
dominik@9: 	200,		// build_truck_station
dominik@9: 	350,		// build_dock
dominik@9: 	400000,	// build_railvehicle
dominik@9: 	2000,		// build_railwagon
dominik@9: 	700000,	// aircraft_base
dominik@9: 	14000,	// roadveh_base
dominik@9: 	65000,	// ship_base
dominik@9: 	20,			// build_trees
dominik@9: 	250,		// terraform
dominik@9: 	20,			// clear_1
dominik@9: 	40,			// purchase_land
dominik@9: 	200,		// clear_2
dominik@9: 	500,		// clear_3
dominik@9: 	20,			// remove_trees
dominik@9: 	-70,		// remove_rail
dominik@9: 	10,			// remove_signals
dominik@9: 	50,			// clear_bridge
dominik@9: 	80,			// remove_train_depot
dominik@9: 	80,			// remove_road_depot
dominik@9: 	90,			// remove_ship_depot
dominik@9: 	30,			// clear_tunnel
dominik@9: 	10000,	// clear_water
dominik@9: 	50,			// remove_rail_station
dominik@9: 	30,			// remove_airport
dominik@9: 	50,			// remove_bus_station
dominik@9: 	50,			// remove_truck_station
dominik@9: 	55,			// remove_dock
dominik@9: 	1600,		// remove_house
dominik@9: 	40,			// remove_road
dominik@9: 	5600,		// running_rail[0] railroad
dominik@9: 	5200,		// running_rail[1] monorail
dominik@9: 	4800,		// running_rail[2] maglev
dominik@9: 	9600,		// aircraft_running
dominik@9: 	1600,		// roadveh_running
dominik@9: 	5600,		// ship_running
dominik@9: 	1000000, // build_industry
truelight@0: };
truelight@0: 
truelight@0: void StartupEconomy()
truelight@0: {
truelight@0: 	int i;
truelight@0: 
truelight@0: 	assert(sizeof(_price) == NUM_PRICES * sizeof(int32));
truelight@0: 
truelight@0: 	for(i=0; i!=NUM_PRICES; i++) {
truelight@0: 		int32 price = _price_base[i];
truelight@0: 		if (_price_category[i] != 0) {
truelight@0: 			uint mod = _price_category[i] == 1 ? _opt.diff.vehicle_costs : _opt.diff.construction_cost;
truelight@0: 			if (mod < 1) {
truelight@0: 				price = price * 3 >> 2;
truelight@0: 			} else if (mod > 1) {
truelight@0: 				price = price * 9 >> 3;
truelight@0: 			}
truelight@0: 		}
truelight@0: 		((int32*)&_price)[i] = price;
truelight@0: 		_price_frac[i] = 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	_economy.interest_rate = _opt.diff.initial_interest;
truelight@0: 	_economy.infl_amount = _opt.diff.initial_interest;
truelight@0: 	_economy.infl_amount_pr = max(0, _opt.diff.initial_interest - 1);
truelight@0: 	_economy.max_loan_unround = _economy.max_loan = _opt.diff.max_loan * 1000;
truelight@0: 	_economy.fluct = (byte)(Random()) + 168;
truelight@0: }
truelight@0: 
truelight@0: Pair SetupSubsidyDecodeParam(Subsidy *s, bool mode)
truelight@0: {
truelight@0: 	int tile, tile2;
truelight@0: 	Industry *i;
truelight@0: 	Town *t;
truelight@0: 	Station *st;
truelight@0: 	Pair tp;
truelight@0: 
truelight@0: 	/* if mode is false, convert into plural */
tron@534: 	SetDParam(0, _cargoc.names_s[s->cargo_type] + (mode?0:32));
truelight@0: 
truelight@0: 	if (s->age < 12) {
truelight@0: 		if (!(s->cargo_type == CT_PASSENGERS || s->cargo_type == CT_MAIL)) {
tron@534: 			SetDParam(1, STR_2029);
truelight@919: 			i = GetIndustry(s->from);
truelight@0: 			tile = i->xy;
tron@534: 			SetDParam(2, i->town->townnametype);
tron@534: 			SetDParam(3, i->town->townnameparts);
truelight@0: 
tron@534: 			SetDParam(4, i->type + STR_4802_COAL_MINE);
truelight@0: 
truelight@0: 			if (s->cargo_type != CT_GOODS && s->cargo_type != CT_FOOD) {
tron@534: 				SetDParam(5, STR_2029);
truelight@919: 				i = GetIndustry(s->to);
truelight@0: 				tile2 = i->xy;
tron@534: 				SetDParam(8, i->type + STR_4802_COAL_MINE);
tron@534: 				SetDParam(6, i->town->townnametype);
tron@534: 				SetDParam(7, i->town->townnameparts);
truelight@0: 			} else {
truelight@919: 				t = GetTown(s->to);
truelight@0: 				tile2 = t->xy;
tron@534: 				SetDParam(5, t->townnametype);
tron@534: 				SetDParam(6, t->townnameparts);
truelight@0: 			}
truelight@0: 		} else {
truelight@919: 			t = GetTown(s->from);
truelight@0: 			tile = t->xy;
tron@534: 			SetDParam(1, t->townnametype);
tron@534: 			SetDParam(2, t->townnameparts);
truelight@0: 
truelight@919: 			t = GetTown(s->to);
truelight@0: 			tile2 = t->xy;
tron@534: 			SetDParam(3, t->townnametype);
tron@534: 			SetDParam(4, t->townnameparts);
truelight@0: 		}
truelight@0: 	} else {
truelight@919: 		st = GetStation(s->from);
truelight@0: 		tile = st->xy;
tron@534: 		SetDParam(1, st->index);
truelight@0: 
truelight@919: 		st = GetStation(s->to);
truelight@0: 		tile2 = st->xy;
tron@534: 		SetDParam(2, st->index);
truelight@0: 	}
truelight@0: 
truelight@0: 	tp.a = tile;
truelight@0: 	tp.b = tile2;
truelight@0: 
truelight@0: 	return tp;
truelight@0: }
truelight@0: 
truelight@820: void DeleteSubsidyWithIndustry(uint16 index)
truelight@0: {
truelight@0: 	Subsidy *s;
truelight@193: 
truelight@0: 	for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 		if (s->cargo_type != 0xFF && s->age < 12 &&
truelight@0: 				s->cargo_type != CT_PASSENGERS && s->cargo_type != CT_MAIL &&
truelight@0: 				(index == s->from || (s->cargo_type!=CT_GOODS && s->cargo_type!=CT_FOOD && index==s->to))) {
truelight@0: 			s->cargo_type = 0xFF;
truelight@0: 		}
truelight@193: 	}
truelight@0: }
truelight@0: 
truelight@820: void DeleteSubsidyWithStation(uint16 index)
truelight@0: {
truelight@0: 	Subsidy *s;
truelight@0: 	bool dirty = false;
truelight@193: 
truelight@0: 	for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 		if (s->cargo_type != 0xFF && s->age >= 12 &&
truelight@0: 				(s->from == index || s->to == index)) {
truelight@0: 			s->cargo_type = 0xFF;
truelight@0: 			dirty = true;
truelight@0: 		}
truelight@193: 	}
truelight@0: 
truelight@0: 	if (dirty)
truelight@0: 		InvalidateWindow(WC_SUBSIDIES_LIST, 0);
truelight@0: }
truelight@0: 
truelight@0: typedef struct FoundRoute {
truelight@0: 	uint distance;
truelight@0: 	byte cargo;
truelight@0: 	void *from;
truelight@0: 	void *to;
truelight@0: } FoundRoute;
truelight@0: 
truelight@0: static void FindSubsidyPassengerRoute(FoundRoute *fr)
truelight@0: {
truelight@0: 	Town *from,*to;
truelight@0: 
truelight@0: 	fr->distance = (uint)-1;
truelight@0: 
truelight@919: 	fr->from = from = GetTown(RandomRange(_total_towns));
truelight@0: 	if (from->xy == 0 || from->population < 400)
truelight@0: 		return;
truelight@0: 
truelight@919: 	fr->to = to = GetTown(RandomRange(_total_towns));
truelight@0: 	if (from==to || to->xy == 0 || to->population < 400 || to->pct_pass_transported > 42)
truelight@0: 		return;
truelight@0: 
truelight@0: 	fr->distance = GetTileDist(from->xy, to->xy);
truelight@0: }
truelight@0: 
truelight@0: static void FindSubsidyCargoRoute(FoundRoute *fr)
truelight@0: {
truelight@0: 	Industry *i;
truelight@0: 	int trans, total;
truelight@0: 	byte cargo;
truelight@0: 
truelight@0: 	fr->distance = (uint)-1;
truelight@0: 
truelight@919: 	fr->from = i = GetIndustry(RandomRange(_total_industries));
truelight@0: 	if (i->xy == 0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	// Randomize cargo type
truelight@543: 	if (Random()&1 && i->produced_cargo[1] != 0xFF) {
truelight@0: 		cargo = i->produced_cargo[1];
truelight@0: 		trans = i->pct_transported[1];
truelight@0: 		total = i->total_production[1];
truelight@0: 	} else {
truelight@0: 		cargo = i->produced_cargo[0];
truelight@0: 		trans = i->pct_transported[0];
truelight@0: 		total = i->total_production[0];
truelight@0: 	}
truelight@0: 
truelight@0: 	// Quit if no production in this industry
truelight@0: 	//  or if the cargo type is passengers
truelight@0: 	//  or if the pct transported is already large enough
truelight@0: 	if (total == 0  || trans > 42 || cargo == 0xFF || cargo == CT_PASSENGERS)
truelight@0: 		return;
truelight@0: 
truelight@0: 	fr->cargo = cargo;
truelight@0: 
truelight@0: 	if (cargo == CT_GOODS || cargo == CT_FOOD) {
truelight@0: 		// The destination is a town
truelight@919: 		Town *t = GetTown(RandomRange(_total_towns));
truelight@193: 
truelight@0: 		// Only want big towns
truelight@0: 		if (t->xy == 0 || t->population < 900)
truelight@0: 			return;
truelight@0: 		fr->distance = GetTileDist(i->xy, t->xy);
truelight@0: 		fr->to = t;
truelight@0: 	} else {
truelight@0: 		// The destination is an industry
truelight@919: 		Industry *i2 = GetIndustry(RandomRange(_total_industries));
truelight@193: 
truelight@0: 		// The industry must accept the cargo
truelight@193: 		if (i == i2 || i2->xy == 0 ||
truelight@0: 				(cargo != i2->accepts_cargo[0] &&
truelight@0: 				cargo != i2->accepts_cargo[1] &&
truelight@0: 				cargo != i2->accepts_cargo[2]))
truelight@0: 			return;
truelight@0: 		fr->distance = GetTileDist(i->xy, i2->xy);
truelight@0: 		fr->to = i2;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@193: static bool CheckSubsidyDuplicate(Subsidy *s)
truelight@0: {
truelight@0: 	Subsidy *ss;
truelight@0: 
truelight@0: 	for(ss=_subsidies; ss != endof(_subsidies); ss++) {
truelight@193: 		if (s != ss &&
truelight@193: //				ss->age < 12 &&
truelight@193: 				ss->from == s->from &&
truelight@193: 				ss->to == s->to &&
truelight@0: 				ss->cargo_type == s->cargo_type) {
truelight@0: 			s->cargo_type = 0xFF;
truelight@0: 			return true;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
signde@239: void RemoteSubsidyAdd(Subsidy *s_new)
signde@239: {
signde@239: 	Subsidy *s;
signde@239: 	Pair pair;
signde@239: 
signde@239: 	// search the first free subsidy
darkvater@240: 	for(s=_subsidies; s != endof(_subsidies); s++)
signde@239: 		if (s->cargo_type == 0xFF)
signde@239: 			break;
signde@239: 
signde@239: 	memcpy(s,s_new,sizeof(Subsidy));
signde@239: 
signde@239: 	pair = SetupSubsidyDecodeParam(s, 0);
signde@239: 	AddNewsItem(STR_2030_SERVICE_SUBSIDY_OFFERED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
signde@239: 
signde@239: 	InvalidateWindow(WC_SUBSIDIES_LIST, 0);
signde@239: }
signde@239: 
truelight@0: static void SubsidyMonthlyHandler()
truelight@0: {
truelight@0: 	Subsidy *s;
truelight@0: 	Pair pair;
truelight@0: 	Station *st;
truelight@0: 	uint n;
truelight@0: 	FoundRoute fr;
truelight@0: 	bool modified = false;
truelight@0: 
truelight@0: 	for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 		if (s->cargo_type == 0xFF)
truelight@0: 			continue;
truelight@0: 
truelight@0: 		if (s->age == 12-1) {
truelight@0: 			pair = SetupSubsidyDecodeParam(s, 1);
truelight@0: 			AddNewsItem(STR_202E_OFFER_OF_SUBSIDY_EXPIRED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
truelight@0: 			s->cargo_type = 0xFF;
truelight@0: 			modified = true;
truelight@0: 		} else if (s->age == 2*12-1) {
truelight@919: 			st = GetStation(s->to);
truelight@0: 			if (st->owner == _local_player) {
truelight@0: 				pair = SetupSubsidyDecodeParam(s, 1);
truelight@0: 				AddNewsItem(STR_202F_SUBSIDY_WITHDRAWN_SERVICE, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
truelight@0: 			}
truelight@0: 			s->cargo_type = 0xFF;
truelight@0: 			modified = true;
truelight@0: 		} else {
truelight@0: 			s->age++;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	// 25% chance to go on
truelight@543: 	if (CHANCE16(1,4)) {
truelight@0: 		// Find a free slot
truelight@0: 		s = _subsidies;
truelight@0: 		while (s->cargo_type != 0xFF) {
truelight@0: 			if (++s == endof(_subsidies))
truelight@0: 				goto no_add;
truelight@0: 		}
truelight@193: 
truelight@0: 		n = 1000;
truelight@0: 		do {
truelight@0: 			FindSubsidyPassengerRoute(&fr);
truelight@0: 			if (fr.distance <= 70) {
truelight@0: 				s->cargo_type = CT_PASSENGERS;
truelight@0: 				s->from = ((Town*)fr.from)->index;
truelight@0: 				s->to = ((Town*)fr.to)->index;
truelight@0: 				goto add_subsidy;
truelight@0: 			}
truelight@0: 			FindSubsidyCargoRoute(&fr);
truelight@0: 			if (fr.distance <= 70) {
truelight@0: 				s->cargo_type = fr.cargo;
truelight@919: 				s->from = ((Industry*)fr.from)->index;
truelight@919: 				s->to = (fr.cargo == CT_GOODS || fr.cargo == CT_FOOD) ? ((Town*)fr.to)->index : ((Industry*)fr.to)->index;
truelight@0: 	add_subsidy:
truelight@0: 				if (!CheckSubsidyDuplicate(s)) {
truelight@0: 					s->age = 0;
truelight@0: 					pair = SetupSubsidyDecodeParam(s, 0);
truelight@0: 					AddNewsItem(STR_2030_SERVICE_SUBSIDY_OFFERED, NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0), pair.a, pair.b);
truelight@0: 					modified = true;
truelight@0: 					break;
truelight@0: 				}
truelight@0: 			}
signde@239: 		} while (n--);
truelight@0: 	}
truelight@0: no_add:;
truelight@0: 	if (modified)
truelight@0: 		InvalidateWindow(WC_SUBSIDIES_LIST, 0);
truelight@0: }
truelight@0: 
truelight@0: static const byte _subsidies_desc[] = {
truelight@0: 	SLE_VAR(Subsidy,cargo_type,		SLE_UINT8),
truelight@0: 	SLE_VAR(Subsidy,age,					SLE_UINT8),
truelight@820: 	SLE_CONDVAR(Subsidy,from,			SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@820: 	SLE_CONDVAR(Subsidy,from,			SLE_UINT16, 5, 255),
truelight@820: 	SLE_CONDVAR(Subsidy,to,				SLE_FILE_U8 | SLE_VAR_U16, 0, 4),
truelight@820: 	SLE_CONDVAR(Subsidy,to,				SLE_UINT16, 5, 255),
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: static void Save_SUBS()
truelight@0: {
truelight@0: 	int i;
truelight@0: 	Subsidy *s;
truelight@0: 
truelight@0: 	for(i=0; i!=lengthof(_subsidies); i++) {
truelight@0: 		s = &_subsidies[i];
truelight@0: 		if (s->cargo_type != 0xFF) {
truelight@0: 			SlSetArrayIndex(i);
truelight@0: 			SlObject(s, _subsidies_desc);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void Load_SUBS()
truelight@0: {
truelight@0: 	int index;
truelight@0: 	while ((index = SlIterateArray()) != -1)
truelight@0: 		SlObject(&_subsidies[index], _subsidies_desc);
truelight@0: }
truelight@0: 
truelight@0: int32 GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, byte cargo_type)
truelight@0: {
truelight@0: 	int cargo = cargo_type;
truelight@0: 	byte f;
truelight@0: 
truelight@0: 	/* zero the distance if it's the bank and very short transport. */
truelight@0: 	if (_opt.landscape == LT_NORMAL && cargo == CT_VALUABLES && dist < 10)
truelight@0: 		dist = 0;
truelight@0: 
truelight@0: 	f = 255;
truelight@0: 	if (transit_days > _cargoc.transit_days_1[cargo]) {
truelight@0: 		transit_days -= _cargoc.transit_days_1[cargo];
truelight@0: 		f -= transit_days;
truelight@193: 
truelight@0: 		if (transit_days > _cargoc.transit_days_2[cargo]) {
truelight@0: 			transit_days -= _cargoc.transit_days_2[cargo];
truelight@0: 
truelight@0: 			if (f < transit_days)
truelight@0: 				f = 0;
truelight@0: 			else
truelight@0: 				f -= transit_days;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	if (f < 31) f = 31;
truelight@0: 
truelight@0: 	return BIGMULSS(dist * f * num_pieces, _cargo_payment_rates[cargo], 21);
truelight@0: }
truelight@0: 
truelight@0: static void DeliverGoodsToIndustry(TileIndex xy, byte cargo_type, int num_pieces)
truelight@0: {
truelight@193: 	Industry *ind, *best;
truelight@0: 	int t, u;
truelight@0: 
truelight@0: 	/* Check if there's an industry close to the station that accepts
truelight@0: 	 * the cargo */
truelight@0: 	best = NULL;
darkvater@33: 	u = _patches.station_spread + 8;
truelight@830: 	FOR_ALL_INDUSTRIES(ind) {
truelight@0: 		if (ind->xy != 0 && (cargo_type == ind->accepts_cargo[0] || cargo_type
truelight@0: 				 == ind->accepts_cargo[1] || cargo_type == ind->accepts_cargo[2]) &&
truelight@0: 				 ind->produced_cargo[0] != 0xFF &&
truelight@0: 				 ind->produced_cargo[0] != cargo_type &&
truelight@193: 				 (t=GetTileDist(ind->xy, xy)) < u) {
truelight@0: 			u = t;
truelight@0: 			best = ind;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	/* Found one? */
truelight@0: 	if (best != NULL) {
truelight@0: 		best->was_cargo_delivered = true;
truelight@0: 		best->cargo_waiting[0] = min(best->cargo_waiting[0] + num_pieces, 0xFFFF);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static bool CheckSubsidised(Station *from, Station *to, byte cargo_type)
truelight@0: {
truelight@0: 	Subsidy *s;
truelight@0: 	TileIndex xy;
truelight@0: 	Pair pair;
truelight@0: 	Player *p;
truelight@0: 
truelight@0: 	// check if there is an already existing subsidy that applies to us
truelight@0: 	for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 		if (s->cargo_type == cargo_type &&
truelight@0: 				s->age >= 12 &&
truelight@0: 				s->from == from->index &&
truelight@0: 				s->to == to->index)
truelight@0: 			return true;
truelight@0: 	}
truelight@0: 
truelight@0: 	/* check if there's a new subsidy that applies.. */
truelight@0: 	for(s=_subsidies; s != endof(_subsidies); s++) {
truelight@0: 		if (s->cargo_type == cargo_type && s->age < 12) {
truelight@193: 
truelight@0: 			/* Check distance from source */
truelight@0: 			if (cargo_type == CT_PASSENGERS || cargo_type == CT_MAIL) {
truelight@919: 				xy = GetTown(s->from)->xy;
truelight@0: 			} else {
truelight@919: 				xy = (GetIndustry(s->from))->xy;
truelight@0: 			}
truelight@0: 			if (GetTileDist1D(xy, from->xy) > 9)
truelight@0: 				continue;
truelight@193: 
truelight@0: 			/* Check distance from dest */
truelight@0: 			if (cargo_type == CT_PASSENGERS || cargo_type == CT_MAIL || cargo_type == CT_GOODS || cargo_type == CT_FOOD) {
truelight@919: 				xy = GetTown(s->to)->xy;
truelight@0: 			} else {
truelight@919: 				xy = (GetIndustry(s->to))->xy;
truelight@0: 			}
truelight@0: 
truelight@0: 			if (GetTileDist1D(xy, to->xy) > 9)
truelight@0: 				continue;
truelight@0: 
truelight@0: 			/* Found a subsidy, change the values to indicate that it's in use */
truelight@0: 			s->age = 12;
truelight@0: 			s->from = from->index;
truelight@0: 			s->to = to->index;
truelight@0: 
truelight@0: 			/* Add a news item */
truelight@0: 			pair = SetupSubsidyDecodeParam(s, 0);
truelight@0: 			INJECT_DPARAM(2);
truelight@0: 
truelight@0: 			p = DEREF_PLAYER(_current_player);
tron@534: 			SetDParam(0, p->name_1);
tron@534: 			SetDParam(1, p->name_2);
truelight@0: 			AddNewsItem(
truelight@193: 				STR_2031_SERVICE_SUBSIDY_AWARDED + _opt.diff.subsidy_multiplier,
truelight@0: 				NEWS_FLAGS(NM_NORMAL, NF_TILE, NT_SUBSIDIES, 0),
truelight@0: 				pair.a, pair.b);
truelight@0: 
truelight@0: 			InvalidateWindow(WC_SUBSIDIES_LIST, 0);
truelight@0: 			return true;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return false;
truelight@0: }
truelight@0: 
truelight@0: static int32 DeliverGoods(int num_pieces, byte cargo_type, byte source, byte dest, byte days_in_transit)
truelight@0: {
truelight@0: 	bool subsidised;
truelight@0: 	Station *s_from, *s_to;
truelight@0: 	int32 profit;
truelight@0: 
truelight@0:  	assert(num_pieces > 0);
truelight@0: 
truelight@0: 	// Update player statistics
truelight@0: 	{
truelight@0: 		Player *p = DEREF_PLAYER(_current_player);
truelight@0: 		p->cur_economy.delivered_cargo += num_pieces;
truelight@0: 		SETBIT(p->cargo_types, cargo_type);
truelight@0: 	}
truelight@0: 
truelight@0: 	// Get station pointers.
truelight@919: 	s_from = GetStation(source);
truelight@919: 	s_to = GetStation(dest);
truelight@0: 
truelight@0: 	// Check if a subsidy applies.
truelight@0: 	subsidised = CheckSubsidised(s_from, s_to, cargo_type);
truelight@0: 
truelight@0: 	// Increase town's counter for some special goods types
truelight@0: 	{
truelight@0: 		Town *t = s_to->town;
truelight@0: 		if (cargo_type == CT_FOOD) t->new_act_food += num_pieces;
darkvater@4: 		if (cargo_type == CT_STEEL)  t->new_act_water += num_pieces;
truelight@0: 	}
truelight@0: 
truelight@0: 	// Give the goods to the industry.
truelight@0: 	DeliverGoodsToIndustry(s_to->xy, cargo_type, num_pieces);
truelight@193: 
truelight@0: 	// Determine profit
truelight@0: 	{
truelight@0: 		int t = GetTileDist(s_from->xy, s_to->xy);
truelight@0: 		int r = num_pieces;
truelight@0: 		profit = 0;
truelight@0: 		do {
truelight@0: 			int u = min(r, 255);
truelight@0: 			r -= u;
truelight@0: 			profit += GetTransportedGoodsIncome(u, t, days_in_transit, cargo_type);
truelight@0: 		} while (r != 0);
truelight@0: 	}
truelight@0: 
truelight@0: 	// Modify profit if a subsidy is in effect
truelight@0: 	if (subsidised) {
truelight@0: 		if (_opt.diff.subsidy_multiplier < 1) {
truelight@0: 			/* 1.5x */
truelight@0: 			profit += profit >> 1;
truelight@0: 		} else if (_opt.diff.subsidy_multiplier == 1) {
truelight@0: 			/* 2x */
truelight@0: 			profit *= 2;
truelight@0: 		} else if (_opt.diff.subsidy_multiplier == 2) {
truelight@0: 			/* 3x */
truelight@0: 			profit *= 3;
truelight@0: 		} else {
truelight@0: 			/* 4x */
truelight@0: 			profit *= 4;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	// Computers get 25% extra profit if they're intelligent.
truelight@0: 	if (_opt.diff.competitor_intelligence>=1 && !IS_HUMAN_PLAYER(_current_player))
truelight@0: 		profit += profit >> 2;
truelight@0: 
truelight@0: 	return profit;
truelight@0: }
truelight@0: 
tron@523: /*
tron@523:  * Returns true if Vehicle v should wait loading because other vehicle is
tron@523:  * already loading the same cargo type
tron@523:  * v = vehicle to load, u = GetFirstInChain(v)
tron@523:  */
tron@523: static bool LoadWait(const Vehicle *v, const Vehicle *u) {
tron@523: 	const Vehicle *w;
tron@523: 	const Vehicle *x;
tron@523: 	bool has_any_cargo = false;
tron@523: 
tron@555: 	if (!(u->current_order.flags & OF_FULL_LOAD)) return false;
tron@523: 
tron@523: 	for (w = u; w != NULL; w = w->next) {
tron@523: 		if (w->cargo_count != 0) {
tron@523: 			if (v->cargo_type == w->cargo_type &&
tron@523: 					u->last_station_visited == w->cargo_source)
tron@523: 				return false;
tron@523: 			has_any_cargo = true;
tron@523: 		}
tron@523: 	}
tron@523: 
tron@523: 	FOR_ALL_VEHICLES(x) {
tron@523: 		if ((x->type != VEH_Train || x->subtype == 0) && // for all locs
tron@523: 				u->last_station_visited == x->last_station_visited && // at the same station
tron@523: 				!(x->vehstatus & VS_STOPPED) && // not stopped
tron@555: 				x->current_order.type == OT_LOADING && // loading
tron@523: 				u != x) { // not itself
tron@523: 			bool other_has_any_cargo = false;
tron@523: 			bool has_space_for_same_type = false;
tron@523: 			bool other_has_same_type = false;
tron@523: 
tron@523: 			for (w = x; w != NULL; w = w->next) {
tron@523: 				if (w->cargo_count < w->cargo_cap && v->cargo_type == w->cargo_type)
tron@523: 					has_space_for_same_type = true;
tron@523: 
tron@523: 				if (w->cargo_count != 0) {
tron@523: 					if (v->cargo_type == w->cargo_type &&
tron@523: 							u->last_station_visited == w->cargo_source)
tron@523: 						other_has_same_type = true;
tron@523: 					other_has_any_cargo = true;
tron@523: 				}
tron@523: 			}
tron@523: 
tron@523: 			if (has_space_for_same_type) {
tron@523: 				if (other_has_same_type) return true;
tron@523: 				if (other_has_any_cargo && !has_any_cargo) return true;
tron@523: 			}
tron@523: 		}
tron@523: 	}
tron@523: 
tron@523: 	return false;
tron@523: }
tron@523: 
truelight@0: int LoadUnloadVehicle(Vehicle *v)
truelight@0: {
truelight@0: 	int profit = 0;
truelight@0: 	int unloading_time = 20;
truelight@0: 	Vehicle *u = v;
truelight@0: 	int result = 0;
truelight@0: 	int last_visited;
truelight@0: 	Station *st;
truelight@0: 	GoodsEntry *ge;
truelight@0: 	int t;
truelight@0: 	uint count, cap;
truelight@260: 	byte old_player;
tron@445: 	bool completely_empty = true;
truelight@0: 
tron@555: 	assert(v->current_order.type == OT_LOADING);
truelight@0: 
truelight@0: 	v->cur_speed = 0;
truelight@260: 	old_player = _current_player;
truelight@0: 	_current_player = v->owner;
truelight@0: 
truelight@919: 	st = GetStation(last_visited = v->last_station_visited);
truelight@0: 
tron@499: 	for (; v != NULL; v = v->next) {
tron@499: 		if (v->cargo_cap == 0) continue;
truelight@193: 
truelight@0: 		ge = &st->goods[v->cargo_type];
truelight@0: 
truelight@0: 		/* unload? */
truelight@0: 		if (v->cargo_count != 0) {
truelight@0: 			if (v->cargo_source != (byte)last_visited && ge->waiting_acceptance & 0x8000) {
truelight@0: 				// deliver goods to the station
truelight@0: 				unloading_time += v->cargo_count; /* TTDBUG: bug in original TTD */
truelight@0: 				profit += DeliverGoods(v->cargo_count, v->cargo_type, v->cargo_source, last_visited, v->cargo_days);
truelight@0: 				result |= 1;
truelight@0: 				v->cargo_count = 0;
tron@555: 			} else if (u->current_order.flags & OF_UNLOAD) {
truelight@0: 				/* unload goods and let it wait at the station */
truelight@0: 				st->time_since_unload = 0;
truelight@193: 
truelight@0: 				if ((t=ge->waiting_acceptance & 0xFFF) == 0) {
truelight@0: 					// No goods waiting at station
truelight@0: 					ge->enroute_time = v->cargo_days;
truelight@0: 					ge->enroute_from = v->cargo_source;
truelight@0: 				} else {
truelight@0: 					// Goods already waiting at station. Set counters to the worst value.
truelight@0: 					if (v->cargo_days >= ge->enroute_time)
truelight@0: 						ge->enroute_time = v->cargo_days;
truelight@0: 					if ((byte)last_visited != ge->enroute_from)
truelight@0: 						ge->enroute_from = v->cargo_source;
truelight@0: 				}
truelight@0: 				// Update amount of waiting cargo
truelight@0: 				ge->waiting_acceptance = (ge->waiting_acceptance &~0xFFF) | min(v->cargo_count + t, 0xFFF);
truelight@0: 				result |= 2;
truelight@0: 				v->cargo_count = 0;
truelight@0: 			}
tron@445: 
tron@445: 			if (v->cargo_count != 0)
tron@445: 				completely_empty = false;
truelight@0: 		}
truelight@193: 
truelight@0: 		/* don't pick up goods that we unloaded */
tron@555: 		if (u->current_order.flags & OF_UNLOAD) continue;
truelight@0: 
truelight@0: 		/* update stats */
truelight@0: 		ge->days_since_pickup = 0;
truelight@0: 		t = u->max_speed;
truelight@0: 		if (u->type == VEH_Road) t >>=1;
truelight@193: 
truelight@0: 		// if last speed is 0, we treat that as if no vehicle has ever visited the station.
truelight@0: 		ge->last_speed = t < 255 ? t : 255;
truelight@0: 		ge->last_age = _cur_year - v->build_year;
truelight@0: 
truelight@0: 		// If there's goods waiting at the station, and the vehicle
truelight@0: 		//  has capacity for it, load it on the vehicle.
truelight@0: 		if ((count=ge->waiting_acceptance & 0xFFF) != 0 &&
truelight@0: 				(cap = v->cargo_cap - v->cargo_count) != 0) {
tron@445: 			if (v->cargo_count == 0)
tron@445: 				TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
tron@445: 
tron@523: 			/* Skip loading this vehicle if another train/vehicle is already handling
tron@523: 			 * the same cargo type at this station */
tron@523: 			if (_patches.improved_load && LoadWait(v,u)) continue;
tron@523: 
tron@445: 			/* TODO: Regarding this, when we do gradual loading, we
tron@445: 			 * should first unload all vehicles and then start
tron@445: 			 * loading them. Since this will cause
tron@445: 			 * VEHICLE_TRIGGER_EMPTY to be called at the time when
tron@445: 			 * the whole vehicle chain is really totally empty, the
tron@445: 			 * @completely_empty assignment can then be safely
tron@445: 			 * removed; that's how TTDPatch behaves too. --pasky */
tron@445: 			completely_empty = false;
tron@445: 
truelight@0: 			if (cap > count) cap = count;
truelight@0: 			v->cargo_count += cap;
truelight@0: 			ge->waiting_acceptance -= cap;
truelight@0: 			unloading_time += cap;
truelight@0: 			st->time_since_load = 0;
truelight@193: 
truelight@0: 			// And record the source of the cargo, and the days in travel.
truelight@0: 			v->cargo_source = ge->enroute_from;
truelight@0: 			v->cargo_days = ge->enroute_time;
truelight@0: 			result |= 2;
truelight@0: 			st->last_vehicle = v->index;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	v = u;
truelight@0: 
truelight@0: 	if (v->type == VEH_Train) {
truelight@0: 		int num = - (int)GetStationPlatforms(st, v->tile) * 2;
truelight@0: 		do num++; while ( (v=v->next) != NULL);
truelight@0: 		if (num > 0) {
truelight@0: 			unloading_time <<=1;
truelight@0: 			unloading_time += num * unloading_time;
truelight@0: 		}
truelight@0: 		v = u;
truelight@0: 	}
truelight@0: 
truelight@0: 	v->load_unload_time_rem = unloading_time;
truelight@0: 
tron@445: 	if (completely_empty) {
tron@445: 		TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
tron@445: 	}
tron@445: 
truelight@0: 	if (result != 0) {
truelight@0: 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
truelight@0: 
truelight@0: 		if (result & 2)
truelight@0: 			InvalidateWindow(WC_STATION_VIEW, last_visited);
truelight@0: 
truelight@0: 		if (profit != 0) {
truelight@0: 			v->profit_this_year += profit;
truelight@0: 			SubtractMoneyFromPlayer(-profit);
truelight@0: 
truelight@0: 			if (_current_player == _local_player)
tron@541: 				SndPlayVehicleFx(SND_14_CASHTILL, v);
truelight@0: 
truelight@0: 			ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, -profit);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@260: 	_current_player = old_player;
truelight@0: 	return result;
truelight@0: }
truelight@0: 
truelight@0: void PlayersMonthlyLoop()
truelight@0: {
truelight@0: 	PlayersGenStatistics();
truelight@0: 	if (_patches.inflation)
truelight@0: 		AddInflation();
truelight@0: 	PlayersPayInterest();
signde@206: 	// Reset the _current_player flag
signde@206: 	_current_player = OWNER_NONE;
truelight@0: 	HandleEconomyFluctuations();
truelight@0: 	SubsidyMonthlyHandler();
truelight@0: }
truelight@0: 
truelight@0: static void DoAcquireCompany(Player *p)
truelight@0: {
truelight@0: 	Player *owner;
truelight@0: 	int i,pi;
truelight@200: 	int64 value;
truelight@0: 
tron@534: 	SetDParam(0, p->name_1);
tron@534: 	SetDParam(1, p->name_2);
tron@534: 	SetDParam(2, p->bankrupt_value);
truelight@0: 	AddNewsItem( (StringID)(_current_player + 16*2), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
truelight@0: 
truelight@0: 	// original code does this a little bit differently
truelight@0: 	pi = p->index;
truelight@0: 	ChangeOwnershipOfPlayerItems(pi, _current_player);
truelight@0: 
truelight@0: 	if (p->bankrupt_value == 0) {
truelight@0: 		owner = DEREF_PLAYER(_current_player);
truelight@0: 		owner->current_loan += p->current_loan;
truelight@0: 	}
truelight@0: 
truelight@0: 	value = CalculateCompanyValue(p) >> 2;
truelight@0: 	for(i=0; i!=4; i++) {
truelight@0: 		if (p->share_owners[i] != 0xFF) {
truelight@0: 			owner = DEREF_PLAYER(p->share_owners[i]);
truelight@0: 			owner->money64 += value;
truelight@0: 			owner->yearly_expenses[0][EXPENSES_OTHER] += value;
truelight@0: 			UpdatePlayerMoney32(owner);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	p->is_active = false;
truelight@0: 
truelight@0: 	DeletePlayerWindows(pi);
truelight@0: }
truelight@0: 
truelight@599: extern int GetAmountOwnedBy(Player *p, byte owner);
truelight@599: 
truelight@0: int32 CmdBuyShareInCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Player *p;
truelight@200: 	int64 cost;
truelight@0: 	byte *b;
truelight@0: 	int i;
truelight@0: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_OTHER);
truelight@0: 	p = DEREF_PLAYER(p1);
truelight@0: 
darkvater@930: 	/* Check if buying shares is allowed (protection against modified clients */
darkvater@930: 	if (!_patches.allow_shares)
darkvater@930: 		return CMD_ERROR;
darkvater@930: 
truelight@599: 	/* Those lines are here for network-protection (clients can be slow) */
truelight@599: 	if (GetAmountOwnedBy(p, OWNER_SPECTATOR) == 0)
truelight@599: 		return 0;
darkvater@930: 
truelight@599: 	/* We can not buy out a real player in networking */
truelight@599: 	if (GetAmountOwnedBy(p, OWNER_SPECTATOR) == 1 && !p->is_ai)
truelight@599: 		return 0;
darkvater@930: 	
truelight@0: 	cost = CalculateCompanyValue(p) >> 2;
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		b = p->share_owners;
truelight@0: 		while (*b != 0xFF) b++; /* share owners is guaranteed to contain at least one 0xFF */
truelight@0: 		*b = _current_player;
truelight@0: 
truelight@0: 		for(i=0;p->share_owners[i] == _current_player;) {
truelight@0: 			if (++i == 4) {
truelight@0: 				p->bankrupt_value = 0;
truelight@0: 				DoAcquireCompany(p);
truelight@0: 				break;
truelight@0: 			}
truelight@0: 		}
truelight@0: 		InvalidateWindow(WC_COMPANY, (int)p1);
truelight@0: 	}
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
truelight@0: int32 CmdSellShareInCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Player *p;
truelight@200: 	int64 cost;
truelight@0: 	byte *b;
truelight@0: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_OTHER);
truelight@0: 	p = DEREF_PLAYER(p1);
truelight@0: 
darkvater@930: 	/* Check if selling shares is allowed (protection against modified clients */
darkvater@930: 	if (!_patches.allow_shares)
darkvater@930: 		return CMD_ERROR;
darkvater@930: 		
truelight@653: 	/* Those lines are here for network-protection (clients can be slow) */
truelight@653: 	if (GetAmountOwnedBy(p, _current_player) == 0)
truelight@653: 		return 0;
truelight@653: 
truelight@0: 	/* adjust it a little to make it less profitable to sell and buy */
truelight@0: 	cost = CalculateCompanyValue(p) >> 2;
truelight@0: 	cost = -(cost - (cost >> 7));
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		b = p->share_owners;
truelight@0: 		while (*b != _current_player) b++; /* share owners is guaranteed to contain player */
truelight@0: 		*b = 0xFF;
truelight@0: 		InvalidateWindow(WC_COMPANY, (int)p1);
truelight@0: 	}
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
truelight@0: int32 CmdBuyCompany(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Player *p;
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_OTHER);
truelight@0: 	p = DEREF_PLAYER(p1);
truelight@0: 	if (flags & 1) {
truelight@0: 		DoAcquireCompany(p);
truelight@0: 	}
truelight@0: 	return p->bankrupt_value;
truelight@0: }
truelight@0: 
truelight@0: // Prices
truelight@0: static void SaveLoad_PRIC()
truelight@0: {
truelight@0: 	SlArray(&_price, NUM_PRICES, SLE_INT32);
truelight@0: 	SlArray(&_price_frac, NUM_PRICES, SLE_UINT16);
truelight@0: }
truelight@0: 
truelight@0: // Cargo payment rates
truelight@0: static void SaveLoad_CAPR()
truelight@0: {
truelight@0: 	SlArray(&_cargo_payment_rates, NUM_CARGO, SLE_INT32);
truelight@0: 	SlArray(&_cargo_payment_rates_frac, NUM_CARGO, SLE_UINT16);
truelight@0: }
truelight@0: 
truelight@0: static const byte _economy_desc[] = {
truelight@0: 	SLE_VAR(Economy,max_loan,						SLE_INT32),
truelight@0: 	SLE_VAR(Economy,max_loan_unround,		SLE_INT32),
truelight@0: 	SLE_VAR(Economy,fluct,							SLE_FILE_I16 | SLE_VAR_I32),
truelight@0: 	SLE_VAR(Economy,interest_rate,			SLE_UINT8),
truelight@0: 	SLE_VAR(Economy,infl_amount,				SLE_UINT8),
truelight@0: 	SLE_VAR(Economy,infl_amount_pr,			SLE_UINT8),
truelight@0: 	SLE_END()
truelight@0: };
truelight@0: 
truelight@0: // Economy variables
truelight@0: static void SaveLoad_ECMY()
truelight@0: {
truelight@0: 	SlObject(&_economy, &_economy_desc);
truelight@0: }
truelight@0: 
truelight@0: const ChunkHandler _economy_chunk_handlers[] = {
truelight@0: 	{ 'PRIC', SaveLoad_PRIC, SaveLoad_PRIC, CH_RIFF | CH_AUTO_LENGTH},
truelight@0: 	{ 'CAPR', SaveLoad_CAPR, SaveLoad_CAPR, CH_RIFF | CH_AUTO_LENGTH},
truelight@0: 	{ 'SUBS', Save_SUBS,			Load_SUBS, CH_ARRAY},
truelight@0: 	{ 'ECMY', SaveLoad_ECMY, SaveLoad_ECMY, CH_RIFF | CH_LAST},
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: 
truelight@0: