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// Emacs style mode select   -*- C++ -*-

//-----------------------------------------------------------------------------

//

// $Id:$

//

// Copyright (C) 1993-1996 by id Software, Inc.

//

// This source is available for distribution and/or modification

// only under the terms of the DOOM Source Code License as

// published by id Software. All rights reserved.

//

// The source is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License

// for more details.

//

// $Log:$

//

// DESCRIPTION:

//	The status bar widget code.

//

//-----------------------------------------------------------------------------

static const char

rcsid[] = "$Id: st_lib.c,v 1.4 1997/02/03 16:47:56 b1 Exp $";

#include 

#include "doomdef.h"

#include "z_zone.h"

#include "v_video.h"

#include "m_swap.h"

#include "i_system.h"

#include "w_wad.h"

#include "st_stuff.h"

#include "st_lib.h"

#include "r_local.h"

// in AM_map.c

extern boolean		automapactive;

//

// Hack display negative frags.

//  Loads and store the stminus lump.

//

patch_t*		sttminus;

void STlib_init(void)

{

    sttminus = (patch_t *) W_CacheLumpName("STTMINUS", PU_STATIC);

}

// ?

void

STlib_initNum

( st_number_t*		n,

  int			x,

  int			y,

  patch_t**		pl,

  int*			num,

  boolean*		on,

  int			width )

{

    n->x	= x;

    n->y	= y;

    n->oldnum	= 0;

    n->width	= width;

    n->num	= num;

    n->on	= on;

    n->p	= pl;

}

//

// A fairly efficient way to draw a number

//  based on differences from the old number.

// Note: worth the trouble?

//

void

STlib_drawNum

( st_number_t*	n,

  boolean	refresh )

{

    int		numdigits = n->width;

    int		num = *n->num;

    int		w = SHORT(n->p[0]->width);

    int		h = SHORT(n->p[0]->height);

    int		x = n->x;

    int		neg;

    n->oldnum = *n->num;

    neg = num < 0;

    if (neg)

    {

	if (numdigits == 2 && num < -9)

	    num = -9;

	else if (numdigits == 3 && num < -99)

	    num = -99;

	num = -num;

    }

    // clear the area

    x = n->x - numdigits*w;

    if (n->y - ST_Y < 0)

	I_Error("drawNum: n->y - ST_Y < 0");

    V_CopyRect(x, n->y - ST_Y, BG, w*numdigits, h, x, n->y, FG);

    // if non-number, do not draw it

    if (num == 1994)

	return;

    x = n->x;

    // in the special case of 0, you draw 0

    if (!num)

	V_DrawPatch(x - w, n->y, FG, n->p[ 0 ]);

    // draw the new number

    while (num && numdigits--)

    {

	x -= w;

	V_DrawPatch(x, n->y, FG, n->p[ num % 10 ]);

	num /= 10;

    }

    // draw a minus sign if necessary

    if (neg)

	V_DrawPatch(x - 8, n->y, FG, sttminus);

}

//

void

STlib_updateNum

( st_number_t*		n,

  boolean		refresh )

{

    if (*n->on) STlib_drawNum(n, refresh);

}

//

void

STlib_initPercent

( st_percent_t*		p,

  int			x,

  int			y,

  patch_t**		pl,

  int*			num,

  boolean*		on,

  patch_t*		percent )

{

    STlib_initNum(&p->n, x, y, pl, num, on, 3);

    p->p = percent;

}

void

STlib_updatePercent

( st_percent_t*		per,

  int			refresh )

{

    if (refresh && *per->n.on)

	V_DrawPatch(per->n.x, per->n.y, FG, per->p);

    STlib_updateNum(&per->n, refresh);

}

void

STlib_initMultIcon

( st_multicon_t*	i,

  int			x,

  int			y,

  patch_t**		il,

  int*			inum,

  boolean*		on )

{

    i->x	= x;

    i->y	= y;

    i->oldinum 	= -1;

    i->inum	= inum;

    i->on	= on;

    i->p	= il;

}

void

STlib_updateMultIcon

( st_multicon_t*	mi,

  boolean		refresh )

{

    int			w;

    int			h;

    int			x;

    int			y;

    if (*mi->on

	&& (mi->oldinum != *mi->inum || refresh)

	&& (*mi->inum!=-1))

    {

	if (mi->oldinum != -1)

	{

	    x = mi->x - SHORT(mi->p[mi->oldinum]->leftoffset);

	    y = mi->y - SHORT(mi->p[mi->oldinum]->topoffset);

	    w = SHORT(mi->p[mi->oldinum]->width);

	    h = SHORT(mi->p[mi->oldinum]->height);

	    if (y - ST_Y < 0)

		I_Error("updateMultIcon: y - ST_Y < 0");

	    V_CopyRect(x, y-ST_Y, BG, w, h, x, y, FG);

	}

	V_DrawPatch(mi->x, mi->y, FG, mi->p[*mi->inum]);

	mi->oldinum = *mi->inum;

    }

}

void

STlib_initBinIcon

( st_binicon_t*		b,

  int			x,

  int			y,

  patch_t*		i,

  boolean*		val,

  boolean*		on )

{

    b->x	= x;

    b->y	= y;

    b->oldval	= 0;

    b->val	= val;

    b->on	= on;

    b->p	= i;

}

void

STlib_updateBinIcon

( st_binicon_t*		bi,

  boolean		refresh )

{

    int			x;

    int			y;

    int			w;

    int			h;

    if (*bi->on

	&& (bi->oldval != *bi->val || refresh))

    {

	x = bi->x - SHORT(bi->p->leftoffset);

	y = bi->y - SHORT(bi->p->topoffset);

	w = SHORT(bi->p->width);

	h = SHORT(bi->p->height);

	if (y - ST_Y < 0)

	    I_Error("updateBinIcon: y - ST_Y < 0");

	if (*bi->val)

	    V_DrawPatch(bi->x, bi->y, FG, bi->p);

	else

	    V_CopyRect(x, y-ST_Y, BG, w, h, x, y, FG);

	bi->oldval = *bi->val;

    }

}