tron@2186: /* $Id$ */
tron@2186: 
belugas@6527: /** @file misc_cmd.cpp */
belugas@6527: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
rubidium@9723: #include "command_func.h"
rubidium@9723: #include "economy_func.h"
Darkvater@1500: #include "gui.h"
rubidium@9723: #include "window_func.h"
rubidium@9723: #include "textbuf_gui.h"
rubidium@5720: #include "network/network.h"
tron@2159: #include "variables.h"
peter1138@4603: #include "livery.h"
rubidium@6516: #include "player_face.h"
rubidium@9723: #include "strings_func.h"
rubidium@9723: #include "gfx_func.h"
rubidium@9723: #include "functions.h"
rubidium@9723: #include "vehicle_func.h"
rubidium@9723: #include "string_func.h"
rubidium@9724: #include "player_func.h"
rubidium@9724: #include "player_base.h"
rubidium@9724: #include "player_gui.h"
rubidium@9724: #include "settings_type.h"
rubidium@9724: 
rubidium@9724: #include "table/strings.h"
truelight@0: 
Darkvater@1786: /** Change the player's face.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1786:  * @param p1 unused
Darkvater@1786:  * @param p2 face bitmasked
truelight@0:  */
glx@9629: CommandCost CmdSetPlayerFace(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
rubidium@6516: 	PlayerFace pf = (PlayerFace)p2;
rubidium@6516: 
rubidium@6516: 	if (!IsValidPlayerFace(pf)) return CMD_ERROR;
rubidium@6516: 
truelight@0: 	if (flags & DC_EXEC) {
rubidium@6516: 		GetPlayer(_current_player)->face = pf;
truelight@0: 		MarkWholeScreenDirty();
truelight@0: 	}
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
Darkvater@1786: /** Change the player's company-colour
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
peter1138@4603:  * @param p1 bitstuffed:
peter1138@4603:  * p1 bits 0-7 scheme to set
peter1138@4603:  * p1 bits 8-9 set in use state or first/second colour
Darkvater@1786:  * @param p2 new colour for vehicles, property, etc.
truelight@0:  */
glx@9629: CommandCost CmdSetPlayerColor(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
Darkvater@1786: 	Player *p, *pp;
tron@2150: 	byte colour;
rubidium@5838: 	LiveryScheme scheme = (LiveryScheme)GB(p1, 0, 8);
peter1138@4603: 	byte state = GB(p1, 8, 2);
Darkvater@1878: 
Darkvater@1878: 	if (p2 >= 16) return CMD_ERROR; // max 16 colours
tron@2150: 	colour = p2;
truelight@0: 
peter1138@4603: 	if (scheme >= LS_END || state >= 3) return CMD_ERROR;
peter1138@4603: 
tron@1767: 	p = GetPlayer(_current_player);
truelight@0: 
peter1138@4603: 	/* Ensure no two companies have the same primary colour */
peter1138@4603: 	if (scheme == LS_DEFAULT && state == 0) {
peter1138@4603: 		FOR_ALL_PLAYERS(pp) {
peter1138@4603: 			if (pp->is_active && pp != p && pp->player_color == colour) return CMD_ERROR;
peter1138@4603: 		}
truelight@0: 	}
truelight@193: 
truelight@0: 	if (flags & DC_EXEC) {
peter1138@4603: 		switch (state) {
peter1138@4603: 			case 0:
peter1138@4603: 				p->livery[scheme].colour1 = colour;
peter1138@4603: 
peter1138@4603: 				/* If setting the first colour of the default scheme, adjust the
peter1138@4603: 				 * original and cached player colours too. */
peter1138@4603: 				if (scheme == LS_DEFAULT) {
peter1138@4603: 					_player_colors[_current_player] = colour;
peter1138@4603: 					p->player_color = colour;
peter1138@4603: 				}
peter1138@4603: 				break;
peter1138@4603: 
peter1138@4603: 			case 1:
peter1138@4603: 				p->livery[scheme].colour2 = colour;
peter1138@4603: 				break;
peter1138@4603: 
peter1138@4603: 			case 2:
peter1138@4603: 				p->livery[scheme].in_use = colour != 0;
peter1138@4603: 
peter1138@4603: 				/* Now handle setting the default scheme's in_use flag.
peter1138@4603: 				 * This is different to the other schemes, as it signifies if any
peter1138@4603: 				 * scheme is active at all. If this flag is not set, then no
peter1138@4603: 				 * processing of vehicle types occurs at all, and only the default
peter1138@4603: 				 * colours will be used. */
peter1138@4603: 
peter1138@4603: 				/* If enabling a scheme, set the default scheme to be in use too */
peter1138@4603: 				if (colour != 0) {
peter1138@4603: 					p->livery[LS_DEFAULT].in_use = true;
peter1138@4603: 					break;
peter1138@4603: 				}
peter1138@4603: 
peter1138@4603: 				/* Else loop through all schemes to see if any are left enabled.
peter1138@4603: 				 * If not, disable the default scheme too. */
peter1138@4603: 				p->livery[LS_DEFAULT].in_use = false;
peter1138@4603: 				for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
peter1138@4603: 					if (p->livery[scheme].in_use) {
peter1138@4603: 						p->livery[LS_DEFAULT].in_use = true;
peter1138@4603: 						break;
peter1138@4603: 					}
peter1138@4603: 				}
peter1138@4603: 				break;
peter1138@4603: 
peter1138@4603: 			default:
peter1138@4603: 				break;
peter1138@4603: 		}
rubidium@9722: 		ResetVehicleColorMap();
truelight@0: 		MarkWholeScreenDirty();
truelight@0: 	}
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
Darkvater@1786: /** Increase the loan of your company.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
rubidium@9462:  * @param p1 amount to increase the loan with, multitude of LOAN_INTERVAL. Only used when p2 == 2.
rubidium@9462:  * @param p2 when 0: loans LOAN_INTERVAL
rubidium@9462:  *           when 1: loans the maximum loan permitting money (press CTRL),
rubidium@9462:  *           when 2: loans the amount specified in p1
Darkvater@1786:  */
glx@9629: CommandCost CmdIncreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
rubidium@9462: 	Player *p = GetPlayer(_current_player);
truelight@0: 
truelight@0: 	if (p->current_loan >= _economy.max_loan) {
tron@534: 		SetDParam(0, _economy.max_loan);
truelight@0: 		return_cmd_error(STR_702B_MAXIMUM_PERMITTED_LOAN);
truelight@0: 	}
truelight@0: 
glx@9629: 	Money loan;
rubidium@9628: 	switch (p2) {
rubidium@9628: 		default: return CMD_ERROR; // Invalid method
rubidium@9628: 		case 0: // Take some extra loan
rubidium@9628: 			loan = LOAN_INTERVAL;
rubidium@9628: 			break;
rubidium@9628: 		case 1: // Take a loan as big as possible
rubidium@9628: 			loan = _economy.max_loan - p->current_loan;
rubidium@9628: 			break;
rubidium@9628: 		case 2: // Take the given amount of loan
rubidium@9628: 			if ((((int32)p1 < LOAN_INTERVAL) || p->current_loan + (int32)p1 > _economy.max_loan || (p1 % LOAN_INTERVAL) != 0)) return CMD_ERROR;
rubidium@9628: 			loan = p1;
rubidium@9628: 			break;
rubidium@9628: 	}
rubidium@9462: 
glx@9629: 	/* Overflow protection */
glx@9629: 	if (p->player_money + p->current_loan + loan < p->player_money) return CMD_ERROR;
glx@9629: 
truelight@0: 	if (flags & DC_EXEC) {
glx@9629: 		p->player_money += loan;
Darkvater@1786: 		p->current_loan += loan;
truelight@0: 		InvalidatePlayerWindows(p);
truelight@0: 	}
truelight@0: 
rubidium@9723: 	return CommandCost(EXPENSES_OTHER);
truelight@0: }
truelight@0: 
Darkvater@1786: /** Decrease the loan of your company.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
rubidium@9462:  * @param p1 amount to decrease the loan with, multitude of LOAN_INTERVAL. Only used when p2 == 2.
rubidium@9462:  * @param p2 when 0: pays back LOAN_INTERVAL
rubidium@9462:  *           when 1: pays back the maximum loan permitting money (press CTRL),
rubidium@9462:  *           when 2: pays back the amount specified in p1
Darkvater@1786:  */
glx@9629: CommandCost CmdDecreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
rubidium@9462: 	Player *p = GetPlayer(_current_player);
truelight@0: 
Darkvater@1786: 	if (p->current_loan == 0) return_cmd_error(STR_702D_LOAN_ALREADY_REPAYED);
truelight@0: 
glx@9629: 	Money loan;
rubidium@9462: 	switch (p2) {
rubidium@9462: 		default: return CMD_ERROR; // Invalid method
rubidium@9628: 		case 0: // Pay back one step
glx@9629: 			loan = min(p->current_loan, (Money)LOAN_INTERVAL);
rubidium@9462: 			break;
rubidium@9628: 		case 1: // Pay back as much as possible
glx@9629: 			loan = max(min(p->current_loan, p->player_money), (Money)LOAN_INTERVAL);
rubidium@9462: 			loan -= loan % LOAN_INTERVAL;
rubidium@9462: 			break;
rubidium@9628: 		case 2: // Repay the given amount of loan
rubidium@9462: 			if ((p1 % LOAN_INTERVAL != 0) || ((int32)p1 < LOAN_INTERVAL)) return CMD_ERROR; // Invalid amount to loan
rubidium@9462: 			loan = p1;
rubidium@9462: 			break;
truelight@0: 	}
truelight@0: 
Darkvater@1786: 	if (p->player_money < loan) {
Darkvater@1786: 		SetDParam(0, loan);
truelight@0: 		return_cmd_error(STR_702E_REQUIRED);
truelight@0: 	}
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
glx@9629: 		p->player_money -= loan;
Darkvater@1786: 		p->current_loan -= loan;
truelight@0: 		InvalidatePlayerWindows(p);
truelight@0: 	}
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
rubidium@9631: static bool IsUniqueCompanyName(const char *name)
rubidium@9631: {
rubidium@9631: 	const Player *p;
rubidium@9631: 	char buf[512];
rubidium@9631: 
rubidium@9631: 	FOR_ALL_PLAYERS(p) {
rubidium@9631: 		if (!p->is_active) continue;
rubidium@9631: 		SetDParam(0, p->index);
rubidium@9631: 		GetString(buf, STR_COMPANY_NAME, lastof(buf));
rubidium@9631: 		if (strcmp(buf, name) == 0) return false;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	return true;
rubidium@9631: }
rubidium@9631: 
Darkvater@1786: /** Change the name of the company.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1786:  * @param p1 unused
Darkvater@1786:  * @param p2 unused
Darkvater@1786:  */
glx@9629: CommandCost CmdChangeCompanyName(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Player *p;
truelight@0: 
rubidium@9631: 	if (StrEmpty(_cmd_text)) return CMD_ERROR;
Darkvater@1840: 
rubidium@9631: 	if (!IsUniqueCompanyName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
rubidium@9631: 
truelight@0: 	if (flags & DC_EXEC) {
celestar@1962: 		p = GetPlayer(_current_player);
rubidium@9724: 		free(p->name);
rubidium@9724: 		p->name = strdup(_cmd_text);
truelight@0: 		MarkWholeScreenDirty();
tron@4077: 	}
truelight@0: 
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
rubidium@9631: static bool IsUniquePresidentName(const char *name)
rubidium@9631: {
rubidium@9631: 	const Player *p;
rubidium@9631: 	char buf[512];
rubidium@9631: 
rubidium@9631: 	FOR_ALL_PLAYERS(p) {
rubidium@9631: 		if (!p->is_active) continue;
rubidium@9631: 		SetDParam(0, p->index);
rubidium@9631: 		GetString(buf, STR_PLAYER_NAME, lastof(buf));
rubidium@9631: 		if (strcmp(buf, name) == 0) return false;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	return true;
rubidium@9631: }
rubidium@9631: 
Darkvater@1786: /** Change the name of the president.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1786:  * @param p1 unused
Darkvater@1786:  * @param p2 unused
Darkvater@1786:  */
glx@9629: CommandCost CmdChangePresidentName(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	Player *p;
truelight@0: 
rubidium@9631: 	if (StrEmpty(_cmd_text)) return CMD_ERROR;
Darkvater@1840: 
rubidium@9631: 	if (!IsUniquePresidentName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
rubidium@9631: 
truelight@0: 	if (flags & DC_EXEC) {
celestar@1962: 		p = GetPlayer(_current_player);
rubidium@9724: 		free(p->president_name);
rubidium@9724: 		p->president_name = strdup(_cmd_text);
truelight@0: 
truelight@0: 		if (p->name_1 == STR_SV_UNNAMED) {
tron@1820: 			char buf[80];
tron@1820: 
tron@1820: 			snprintf(buf, lengthof(buf), "%s Transport", _cmd_text);
tron@1820: 			_cmd_text = buf;
tron@3491: 			DoCommand(0, 0, 0, DC_EXEC, CMD_CHANGE_COMPANY_NAME);
truelight@193: 		}
truelight@0: 		MarkWholeScreenDirty();
tron@4077: 	}
truelight@0: 
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
rubidium@9723: /**
rubidium@9723:  * In case of an unsafe unpause, we want the
rubidium@9723:  * user to confirm that it might crash.
rubidium@9723:  * @param w         unused
rubidium@9723:  * @param confirmed whether the user confirms his/her action
rubidium@9723:  */
rubidium@9723: static void AskUnsafeUnpauseCallback(Window *w, bool confirmed)
rubidium@9723: {
rubidium@9723: 	DoCommandP(0, confirmed ? 0 : 1, 0, NULL, CMD_PAUSE);
rubidium@9723: }
rubidium@9723: 
Darkvater@1793: /** Pause/Unpause the game (server-only).
Darkvater@1793:  * Increase or decrease the pause counter. If the counter is zero,
Darkvater@1793:  * the game is unpaused. A counter is used instead of a boolean value
Darkvater@1793:  * to have more control over the game when saving/loading, etc.
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1793:  * @param p1 0 = decrease pause counter; 1 = increase pause counter
Darkvater@1793:  * @param p2 unused
Darkvater@1793:  */
glx@9629: CommandCost CmdPause(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	if (flags & DC_EXEC) {
rubidium@9723: 		_pause_game += (p1 == 0) ? -1 : 1;
rubidium@9723: 
rubidium@9723: 		switch (_pause_game) {
rubidium@9826: 			case -4:
rubidium@9826: 			case -1:
rubidium@9723: 				_pause_game = 0;
rubidium@9723: 				break;
rubidium@9826: 			case -3:
rubidium@9723: 				ShowQuery(
rubidium@9723: 					STR_NEWGRF_UNPAUSE_WARNING_TITLE,
rubidium@9723: 					STR_NEWGRF_UNPAUSE_WARNING,
rubidium@9723: 					NULL,
rubidium@9723: 					AskUnsafeUnpauseCallback
rubidium@9723: 				);
rubidium@9723: 				break;
rubidium@9723: 
rubidium@9723: 			default: break;
rubidium@9723: 		}
rubidium@9723: 
truelight@0: 		InvalidateWindow(WC_STATUS_BAR, 0);
truelight@0: 		InvalidateWindow(WC_MAIN_TOOLBAR, 0);
truelight@0: 	}
glx@9629: 	return CommandCost();
truelight@0: }
truelight@0: 
Darkvater@1796: /** Change the financial flow of your company.
Darkvater@1796:  * This is normally only enabled in offline mode, but if there is a debug
Darkvater@1796:  * build, you can cheat (to test).
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1796:  * @param p1 the amount of money to receive (if negative), or spend (if positive)
Darkvater@1796:  * @param p2 unused
Darkvater@1796:  */
glx@9629: CommandCost CmdMoneyCheat(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
Darkvater@1796: #ifndef _DEBUG
Darkvater@1796: 	if (_networking) return CMD_ERROR;
Darkvater@1796: #endif
rubidium@9826: 	return CommandCost(EXPENSES_OTHER, -(int32)p1);
truelight@0: }
truelight@0: 
Darkvater@1796: /** Transfer funds (money) from one player to another.
rubidium@4434:  * To prevent abuse in multiplayer games you can only send money to other
Darkvater@1799:  * players if you have paid off your loan (either explicitely, or implicitely
Darkvater@1799:  * given the fact that you have more money than loan).
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1799:  * @param p1 the amount of money to transfer; max 20.000.000
Darkvater@1796:  * @param p2 the player to transfer the money to
Darkvater@1796:  */
glx@9629: CommandCost CmdGiveMoney(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@543: {
glx@9704: 	if (!_patches.give_money) return CMD_ERROR;
glx@9704: 
celestar@1962: 	const Player *p = GetPlayer(_current_player);
rubidium@9723: 	CommandCost amount(EXPENSES_OTHER, min((Money)p1, (Money)20000000LL));
truelight@543: 
Darkvater@1799: 	/* You can only transfer funds that is in excess of your loan */
glx@9629: 	if (p->player_money - p->current_loan < amount.GetCost() || amount.GetCost() <= 0) return CMD_ERROR;
Darkvater@4850: 	if (!_networking || !IsValidPlayer((PlayerID)p2)) return CMD_ERROR;
truelight@813: 
truelight@543: 	if (flags & DC_EXEC) {
Darkvater@1799: 		/* Add money to player */
Darkvater@1796: 		PlayerID old_cp = _current_player;
rubidium@5838: 		_current_player = (PlayerID)p2;
rubidium@9723: 		SubtractMoneyFromPlayer(CommandCost(EXPENSES_OTHER, -amount.GetCost()));
truelight@543: 		_current_player = old_cp;
truelight@543: 	}
truelight@543: 
Darkvater@1799: 	/* Subtract money from local-player */
Darkvater@1799: 	return amount;
truelight@543: }
truelight@543: 
Darkvater@1793: /** Change difficulty level/settings (server-only).
Darkvater@1793:  * We cannot really check for valid values of p2 (too much work mostly); stored
Darkvater@1793:  * in file 'settings_gui.c' _game_setting_info[]; we'll just trust the server it knows
Darkvater@1793:  * what to do and does this correctly
tron@3491:  * @param tile unused
rubidium@9601:  * @param flags operation to perform
Darkvater@1793:  * @param p1 the difficulty setting being changed. If it is -1, the difficulty level
Darkvater@1793:  *           itself is changed. The new value is inside p2
Darkvater@1793:  * @param p2 new value for a difficulty setting or difficulty level
Darkvater@1793:  */
glx@9629: CommandCost CmdChangeDifficultyLevel(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
Darkvater@1877: 	if (p1 != (uint32)-1L && ((int32)p1 >= GAME_DIFFICULTY_NUM || (int32)p1 < 0)) return CMD_ERROR;
Darkvater@1793: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		if (p1 != (uint32)-1L) {
truelight@9718: 			((GDType*)&_opt_ptr->diff)[p1] = p2;
Darkvater@1793: 			_opt_ptr->diff_level = 3; // custom difficulty level
tron@4077: 		} else {
Darkvater@1500: 			_opt_ptr->diff_level = p2;
tron@4077: 		}
Darkvater@1500: 
Darkvater@1793: 		/* If we are a network-client, update the difficult setting (if it is open).
Darkvater@1793: 		 * Use this instead of just dirtying the window because we need to load in
Darkvater@1877: 		 * the new difficulty settings */
truelight@543: 		if (_networking && !_network_server && FindWindowById(WC_GAME_OPTIONS, 0) != NULL)
Darkvater@1500: 			ShowGameDifficulty();
truelight@0: 	}
glx@9629: 	return CommandCost();
truelight@0: }