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#include "stdafx.h"

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#include "ttd.h"

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#include "command.h"

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#include "player.h"

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#include "gfx.h"

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#include "window.h"

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#include "saveload.h"

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#include "economy.h"

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/* p1 = player

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   p2 = face

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 */

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int32 CmdSetPlayerFace(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	if (flags & DC_EXEC) {

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		DEREF_PLAYER(p1)->face = p2;

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		MarkWholeScreenDirty();

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	}

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	return 0;

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}

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/* p1 = player

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 * p2 = color

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 */

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int32 CmdSetPlayerColor(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	Player *p,*pp;

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//	/* can only set color for itself */

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//	if ( (byte)p1 != _current_player)

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//		return CMD_ERROR;

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	p = DEREF_PLAYER(p1);

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	/* ensure no dups */

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	FOR_ALL_PLAYERS(pp) {

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		if (pp->is_active && pp != p && pp->player_color == (byte)p2)

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			return CMD_ERROR;

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	}

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	if (flags & DC_EXEC) {

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		_player_colors[p1] = (byte)p2;

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		p->player_color = (byte)p2;

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		MarkWholeScreenDirty();

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	}

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	return 0;

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}

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int32 CmdIncreaseLoan(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	Player *p;

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	int32 size;

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	if ( (byte)p1 != _current_player)

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		return CMD_ERROR;

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	p = DEREF_PLAYER(p1);

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	if (p->current_loan >= _economy.max_loan) {

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		SET_DPARAM32(0, _economy.max_loan);

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		return_cmd_error(STR_702B_MAXIMUM_PERMITTED_LOAN);

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	}

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	if (flags & DC_EXEC) {

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		if (p2)

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			size = _economy.max_loan - p->current_loan;

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		else

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			size = IS_HUMAN_PLAYER((byte)p1) ? 10000 : 50000;

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		p->money64 += size;

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		p->current_loan += size;

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		UpdatePlayerMoney32(p);

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		InvalidatePlayerWindows(p);

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	}

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	return 0;

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}

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int32 CmdDecreaseLoan(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	Player *p;

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	int32 size;

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	if ( (byte)p1 != _current_player)

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		return CMD_ERROR;

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	p = DEREF_PLAYER(p1);

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	if (p->current_loan == 0)

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		return_cmd_error(STR_702D_LOAN_ALREADY_REPAYED);

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	size = p->current_loan;

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	// p2 is true while CTRL is pressed (repay all possible loan, or max money you have)

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	if (!p2) {

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	    if (_patches.ainew_active)

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 		    size = min(size, 10000);

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	    else

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		    size = min(size, IS_HUMAN_PLAYER((byte)p1) ? 10000 : 50000);

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	} else {	// only repay in chunks of 10K

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		size = min(size, p->player_money);

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		size = max(size, 10000);

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		size -= size % 10000;

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	}

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	if (p->player_money < size) {

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		SET_DPARAM32(0, size);

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		return_cmd_error(STR_702E_REQUIRED);

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	}

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	if (flags & DC_EXEC) {

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		p->money64 -= size;

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		p->current_loan -= size;

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		UpdatePlayerMoney32(p);

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		InvalidatePlayerWindows(p);

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	}

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	return 0;

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}

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int32 CmdChangeCompanyName(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	StringID str,old_str;

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	Player *p;

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	str = AllocateName((byte*)_decode_parameters, 4);

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	if (str == 0)

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		return CMD_ERROR;

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	if (flags & DC_EXEC) {

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		p = DEREF_PLAYER(p1);

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		old_str = p->name_1;

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		p->name_1 = str;

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		DeleteName(old_str);

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		MarkWholeScreenDirty();

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	} else {

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		DeleteName(str);

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	}

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	return 0;

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}

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int32 CmdChangePresidentName(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	StringID str,old_str;

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	Player *p;

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	str = AllocateName((byte*)_decode_parameters, 4);

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	if (str == 0)

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		return CMD_ERROR;

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	if (flags & DC_EXEC) {

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		p = DEREF_PLAYER(p1);

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		old_str = p->president_name_1;

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		p->president_name_1 = str;

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		DeleteName(old_str);

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		if (p->name_1 == STR_SV_UNNAMED) {

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			byte *s = " Transport";

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			byte *d = (byte*)_decode_parameters, b;

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			d--; do d++; while (*d);

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			do *d++ = b = *s++; while(d != (byte*)endof(_decode_parameters) && b != 0);

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			DoCommandByTile(0, p1, 0, DC_EXEC, CMD_CHANGE_COMPANY_NAME);

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		}

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		MarkWholeScreenDirty();

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	} else {

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		DeleteName(str);

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	}

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	return 0;

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}

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static void UpdateSignVirtCoords(SignStruct *ss)

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{

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	Point pt = RemapCoords(ss->x, ss->y, ss->z);

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	SET_DPARAM16(0, ss->str);

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	UpdateViewportSignPos(&ss->sign, pt.x, pt.y - 6, STR_2806);

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}

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void UpdateAllSignVirtCoords()

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{

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	SignStruct *ss;

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	for(ss=_sign_list; ss != endof(_sign_list); ss++)

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		if (ss->str != 0)

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			UpdateSignVirtCoords(ss);

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}

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static void MarkSignDirty(SignStruct *ss)

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{

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	MarkAllViewportsDirty(

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		ss->sign.left-6,

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		ss->sign.top-3,

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		ss->sign.left+ss->sign.width_1*4+12,

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		ss->sign.top + 45

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	);

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}

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int32 CmdPlaceSign(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	SignStruct *ss;

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	for(ss=_sign_list; ss != endof(_sign_list); ss++) {

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		if (ss->str == 0) {

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			if (flags & DC_EXEC) {

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				ss->str = STR_280A_SIGN;

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				ss->x = x;

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				ss->y = y;

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				ss->z = GetSlopeZ(x,y);

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				UpdateSignVirtCoords(ss);

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				MarkSignDirty(ss);

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				_new_sign_struct = ss;

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			}

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			return 0;

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		}

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	}

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	return_cmd_error(STR_2808_TOO_MANY_SIGNS);

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}

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// p1 = sign index

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// p2: 1 -> remove sign

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int32 CmdRenameSign(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	StringID str,old_str;

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	SignStruct *ss;

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	if (_decode_parameters[0] != 0 && !p2) {

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		str = AllocateName((byte*)_decode_parameters, 0);

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		if (str == 0)

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			return CMD_ERROR;

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		if (flags & DC_EXEC) {

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			ss = &_sign_list[p1];

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			MarkSignDirty(ss);

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			DeleteName(ss->str);

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			ss->str = str;

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			UpdateSignVirtCoords(ss);

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			MarkSignDirty(ss);

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		} else {

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			DeleteName(str);

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		}

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	}	else {

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		if (flags & DC_EXEC) {

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			ss = &_sign_list[p1];

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			old_str = ss->str;

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			ss->str = 0;

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			DeleteName(old_str);

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			MarkSignDirty(ss);

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		}

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	}

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	return 0;

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}

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// p1 = 0   decrease pause counter

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// p1 = 1   increase pause counter

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int32 CmdPause(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	if (flags & DC_EXEC) {

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		_pause += p1?1:-1;

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		if(_pause==(byte)-1) _pause = 0;

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		InvalidateWindow(WC_STATUS_BAR, 0);

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		InvalidateWindow(WC_MAIN_TOOLBAR, 0);

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	}

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	return 0;

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}

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int32 CmdResume(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	return 0;

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}

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int32 CmdMoneyCheat(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	SET_EXPENSES_TYPE(EXPENSES_OTHER);

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	return (int32)p1;

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}

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int32 CmdChangeDifficultyLevel(int x, int y, uint32 flags, uint32 p1, uint32 p2)

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{

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	if (flags & DC_EXEC) {

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		if (p1 != (uint32)-1L) {

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			((int*)&_opt_mod_ptr->diff)[p1] = p2;

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			_opt_mod_ptr->diff_level = 3;

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		} else {

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			_opt_mod_ptr->diff_level = p2;

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		}

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		InvalidateWindow(WC_GAME_OPTIONS, 0);

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	}

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	return 0;

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}

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static const byte _sign_desc[] = {

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	SLE_VAR(SignStruct,str,						SLE_UINT16),

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	SLE_VAR(SignStruct,x,							SLE_INT16),

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	SLE_VAR(SignStruct,y,							SLE_INT16),

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	SLE_VAR(SignStruct,z,							SLE_UINT8),

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	SLE_END()

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};

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static void Save_SIGN()

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{

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	SignStruct *s;

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	int i;

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	for(i=0,s=_sign_list; i!=lengthof(_sign_list); i++,s++) {

   310

		if (s->str != 0) {

   311

			SlSetArrayIndex(i);

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			SlObject(s, _sign_desc);

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		}

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	}

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}

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static void Load_SIGN()

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{

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	int index;

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	while ((index = SlIterateArray()) != -1) {

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		SlObject(&_sign_list[index], _sign_desc);

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	}

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}

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const ChunkHandler _sign_chunk_handlers[] = {

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	{ 'SIGN', Save_SIGN, Load_SIGN, CH_ARRAY | CH_LAST},

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};

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   329