mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-12-02 08:51:57 +00:00
358 lines
7.1 KiB
C++
358 lines
7.1 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "Precompiled.h"
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#include "globaldata.h"
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#include <ctype.h>
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#include "doomdef.h"
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#include "v_video.h"
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#include "m_swap.h"
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#include "hu_lib.h"
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#include "r_local.h"
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#include "r_draw.h"
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// qboolean : whether the screen is always erased
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void HUlib_init(void)
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{
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}
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void HUlib_clearTextLine(hu_textline_t* t)
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{
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t->len = 0;
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t->l[0] = 0;
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t->needsupdate = true;
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}
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void
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HUlib_initTextLine
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( hu_textline_t* t,
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int x,
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int y,
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patch_t** f,
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int sc )
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{
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t->x = x;
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t->y = y;
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t->f = f;
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t->sc = sc;
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HUlib_clearTextLine(t);
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}
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qboolean
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HUlib_addCharToTextLine
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( hu_textline_t* t,
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char ch )
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{
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if (t->len == HU_MAXLINELENGTH)
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return false;
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else
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{
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t->l[t->len++] = ch;
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t->l[t->len] = 0;
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t->needsupdate = 4;
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return true;
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}
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}
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qboolean HUlib_delCharFromTextLine(hu_textline_t* t)
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{
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if (!t->len) return false;
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else
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{
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t->l[--t->len] = 0;
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t->needsupdate = 4;
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return true;
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}
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}
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void
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HUlib_drawTextLine
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( hu_textline_t* l,
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qboolean drawcursor )
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{
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int i;
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int w;
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int x;
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unsigned char c;
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// draw the new stuff
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x = l->x;
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for (i=0;i<l->len;i++)
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{
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c = toupper(l->l[i]);
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if (c != ' '
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&& c >= l->sc
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&& c <= '_')
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{
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w = SHORT(l->f[c - l->sc]->width);
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if (x+w > SCREENWIDTH)
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break;
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V_DrawPatchDirect(x, l->y, FG, l->f[c - l->sc]);
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x += w;
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}
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else
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{
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x += 4;
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if (x >= SCREENWIDTH)
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break;
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}
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}
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// draw the cursor if requested
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if (drawcursor
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&& x + SHORT(l->f['_' - l->sc]->width) <= SCREENWIDTH)
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{
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V_DrawPatchDirect(x, l->y, FG, l->f['_' - l->sc]);
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}
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}
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// sorta called by HU_Erase and just better darn get things straight
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void HUlib_eraseTextLine(hu_textline_t* l)
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{
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int lh;
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int y;
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int yoffset;
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// Only erases when NOT in automap and the screen is reduced,
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// and the text must either need updating or refreshing
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// (because of a recent change back from the automap)
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if (!::g->automapactive &&
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::g->viewwindowx && l->needsupdate)
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{
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lh = SHORT(l->f[0]->height) + 1;
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for (y=l->y,yoffset=y*SCREENWIDTH ; y<l->y+lh ; y++,yoffset+=SCREENWIDTH)
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{
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if (y < ::g->viewwindowy || y >= ::g->viewwindowy + ::g->viewheight)
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R_VideoErase(yoffset, SCREENWIDTH); // erase entire line
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else
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{
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R_VideoErase(yoffset, ::g->viewwindowx); // erase left border
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R_VideoErase(yoffset + ::g->viewwindowx + ::g->viewwidth, ::g->viewwindowx);
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// erase right border
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}
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}
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}
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::g->lastautomapactive = ::g->automapactive;
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if (l->needsupdate) l->needsupdate--;
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}
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void
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HUlib_initSText
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( hu_stext_t* s,
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int x,
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int y,
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int h,
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patch_t** font,
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int startchar,
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qboolean* on )
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{
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int i;
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s->h = h;
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s->on = on;
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s->laston = true;
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s->cl = 0;
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for (i=0;i<h;i++)
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HUlib_initTextLine(&s->l[i],
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x, y - i*(SHORT(font[0]->height)+1),
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font, startchar);
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}
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void HUlib_addLineToSText(hu_stext_t* s)
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{
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int i;
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// add a clear line
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if (++s->cl == s->h)
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s->cl = 0;
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HUlib_clearTextLine(&s->l[s->cl]);
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// everything needs updating
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for (i=0 ; i<s->h ; i++)
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s->l[i].needsupdate = 4;
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}
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void
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HUlib_addMessageToSText
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( hu_stext_t* s,
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const char* prefix,
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const char* msg )
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{
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HUlib_addLineToSText(s);
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if (prefix)
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while (*prefix)
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HUlib_addCharToTextLine(&s->l[s->cl], *(prefix++));
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while (*msg)
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HUlib_addCharToTextLine(&s->l[s->cl], *(msg++));
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}
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void HUlib_drawSText(hu_stext_t* s)
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{
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int i, idx;
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hu_textline_t *l;
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if (!*s->on)
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return; // if not on, don't draw
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// draw everything
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for (i=0 ; i<s->h ; i++)
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{
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idx = s->cl - i;
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if (idx < 0)
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idx += s->h; // handle queue of ::g->lines
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l = &s->l[idx];
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// need a decision made here on whether to skip the draw
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HUlib_drawTextLine(l, false); // no cursor, please
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}
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}
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void HUlib_eraseSText(hu_stext_t* s)
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{
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int i;
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for (i=0 ; i<s->h ; i++)
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{
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if (s->laston && !*s->on)
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s->l[i].needsupdate = 4;
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HUlib_eraseTextLine(&s->l[i]);
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}
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s->laston = *s->on;
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}
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void
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HUlib_initIText
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( hu_itext_t* it,
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int x,
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int y,
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patch_t** font,
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int startchar,
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qboolean* on )
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{
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it->lm = 0; // default left margin is start of text
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it->on = on;
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it->laston = true;
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HUlib_initTextLine(&it->l, x, y, font, startchar);
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}
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// The following deletion routines adhere to the left margin restriction
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void HUlib_delCharFromIText(hu_itext_t* it)
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{
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if (it->l.len != it->lm)
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HUlib_delCharFromTextLine(&it->l);
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}
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void HUlib_eraseLineFromIText(hu_itext_t* it)
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{
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while (it->lm != it->l.len)
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HUlib_delCharFromTextLine(&it->l);
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}
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// Resets left margin as well
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void HUlib_resetIText(hu_itext_t* it)
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{
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it->lm = 0;
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HUlib_clearTextLine(&it->l);
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}
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void
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HUlib_addPrefixToIText
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( hu_itext_t* it,
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char* str )
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{
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while (*str)
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HUlib_addCharToTextLine(&it->l, *(str++));
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it->lm = it->l.len;
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}
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// wrapper function for handling general keyed input.
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// returns true if it ate the key
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qboolean
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HUlib_keyInIText
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( hu_itext_t* it,
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unsigned char ch )
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{
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if (ch >= ' ' && ch <= '_')
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HUlib_addCharToTextLine(&it->l, (char) ch);
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else
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if (ch == KEY_BACKSPACE)
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HUlib_delCharFromIText(it);
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else
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if (ch != KEY_ENTER)
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return false; // did not eat key
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return true; // ate the key
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}
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void HUlib_drawIText(hu_itext_t* it)
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{
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hu_textline_t *l = &it->l;
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if (!*it->on)
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return;
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HUlib_drawTextLine(l, true); // draw the line w/ cursor
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}
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void HUlib_eraseIText(hu_itext_t* it)
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{
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if (it->laston && !*it->on)
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it->l.needsupdate = 4;
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HUlib_eraseTextLine(&it->l);
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it->laston = *it->on;
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}
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