scummvm/engines/cge/text.cpp

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
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#include "cge/general.h"
#include "cge/text.h"
#include "cge/talk.h"
#include "cge/vol.h"
#include "cge/game.h"
#include "cge/snail.h"
#include "cge/cge_main.h"
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namespace CGE {
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Text *_text;
Talk *_talk = NULL;
Text::Text(CGEEngine *vm, const char *fname, int size) : _vm(vm) {
_cache = new Han[size];
mergeExt(_fileName, fname, SAY_EXT);
if (!INI_FILE::exist(_fileName))
error("No talk (%s)\n", _fileName);
for (_size = 0; _size < size; _size++) {
_cache[_size]._ref = 0;
_cache[_size]._txt = NULL;
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}
}
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Text::~Text() {
clear();
delete[] _cache;
}
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void Text::clear(int from, int upto) {
Han *p, * q;
for (p = _cache, q = p + _size; p < q; p++) {
if (p->_ref && p->_ref >= from && p->_ref < upto) {
p->_ref = 0;
delete[] p->_txt;
p->_txt = NULL;
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}
}
}
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int Text::find(int ref) {
Han *p, * q;
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int i = 0;
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for (p = _cache, q = p + _size; p < q; p++) {
if (p->_ref == ref)
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break;
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else
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i++;
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}
return i;
}
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void Text::preload(int from, int upto) {
INI_FILE tf = _fileName;
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if (!tf._error) {
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Han *CacheLim = _cache + _size;
char line[kLineMax + 1];
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int n;
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while ((n = tf.read((uint8 *)line)) != 0) {
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char *s;
int ref;
if (line[n - 1] == '\n')
line[-- n] = '\0';
if ((s = strtok(line, " =,;/\t\n")) == NULL)
continue;
if (! IsDigit(*s))
continue;
ref = atoi(s);
if (ref && ref >= from && ref < upto) {
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Han *p;
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p = &_cache[find(ref)];
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if (p < CacheLim) {
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delete[] p->_txt;
p->_txt = NULL;
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} else
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p = &_cache[find(0)];
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if (p >= CacheLim)
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break;
s += strlen(s);
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if (s < line + n)
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++s;
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if ((p->_txt = new char[strlen(s) + 1]) == NULL)
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break;
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p->_ref = ref;
strcpy(p->_txt, s);
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}
}
}
}
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char *Text::load(int idx, int ref) {
INI_FILE tf = _fileName;
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if (!tf._error) {
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Han *p = &_cache[idx];
char line[kLineMax + 1];
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int n;
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while ((n = tf.read((uint8 *)line)) != 0) {
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char *s;
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if (line[n - 1] == '\n')
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line[-- n] = '\0';
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if ((s = strtok(line, " =,;/\t\n")) == NULL)
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continue;
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if (! IsDigit(*s))
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continue;
int r = atoi(s);
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if (r < ref)
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continue;
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if (r > ref)
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break;
// (r == ref)
s += strlen(s);
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if (s < line + n)
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++s;
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p->_ref = ref;
if ((p->_txt = new char[strlen(s) + 1]) == NULL)
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return NULL;
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return strcpy(p->_txt, s);
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}
}
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return NULL;
}
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char *Text::getText(int ref) {
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int i;
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if ((i = find(ref)) < _size)
return _cache[i]._txt;
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if ((i = find(0)) >= _size) {
clear(SYSTXT_MAX); // clear non-system
if ((i = find(0)) >= _size) {
clear(); // clear all
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i = 0;
}
}
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return load(i, ref);
}
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void Text::say(const char *txt, Sprite *spr) {
killText();
_talk = new Talk(_vm, txt, ROUND);
if (_talk) {
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bool east = spr->_flags._east;
int x = (east) ? (spr->_x + spr->_w - 2) : (spr->_x + 2);
int y = spr->_y + 2;
Sprite *spike = new Spike(_vm);
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uint16 sw = spike->_w;
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if (east) {
if (x + sw + kTextRoundCorner + 5 >= kScrWidth)
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east = false;
} else {
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if (x <= 5 + kTextRoundCorner + sw)
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east = true;
}
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x = (east) ? (spr->_x + spr->_w - 2) : (spr->_x + 2 - sw);
if (spr->_ref == 1)
x += ((east) ? -10 : 10); // Hero
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_talk->_flags._kill = true;
_talk->_flags._bDel = true;
_talk->setName(_text->getText(SAY_NAME));
_talk->gotoxy(x - (_talk->_w - sw) / 2 - 3 + 6 * east, y - spike->_h - _talk->_h + 1);
_talk->_z = 125;
_talk->_ref = SAY_REF;
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spike->gotoxy(x, _talk->_y + _talk->_h - 1);
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spike->_z = 126;
spike->_flags._slav = true;
spike->_flags._kill = true;
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spike->setName(_text->getText(SAY_NAME));
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spike->step(east);
spike->_ref = SAY_REF;
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_vga->_showQ->insert(_talk, _vga->_showQ->last());
_vga->_showQ->insert(spike, _vga->_showQ->last());
}
}
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void CGEEngine::inf(const char *txt) {
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debugC(1, kCGEDebugEngine, "CGEEngine::inf(%s)", txt);
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killText();
_talk = new Talk(this, txt, RECT);
if (_talk) {
_talk->_flags._kill = true;
_talk->_flags._bDel = true;
_talk->setName(_text->getText(INF_NAME));
_talk->center();
_talk->gotoxy(_talk->_x, _talk->_y - 20);
_talk->_z = 126;
_talk->_ref = INF_REF;
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_vga->_showQ->insert(_talk, _vga->_showQ->last());
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}
}
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void sayTime(Sprite *spr) {
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/*
static char t[] = "00:00";
struct time ti;
gettime(&ti);
wtom(ti.ti_hour, t+0, 10, 2);
wtom(ti.ti_min, t+3, 10, 2);
Say((*t == '0') ? (t+1) : t, spr);
*/
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warning("STUB: sayTime");
}
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void killText() {
if (_talk) {
SNPOST_(SNKILL, -1, 0, _talk);
_talk = NULL;
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}
}
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} // End of namespace CGE