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, kSayExt);
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if (!INI_FILE::exist(_fileName))
error("No talk (%s)\n", _fileName);
for (_size = 0; _size < size; _size++) {
_cache[_size]._ref = 0;
_cache[_size]._text = 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) {
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for (Han *p = _cache, *q = p + _size; p < q; p++) {
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if (p->_ref && p->_ref >= from && p->_ref < upto) {
p->_ref = 0;
delete[] p->_text;
p->_text = NULL;
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}
}
}
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int Text::find(int ref) {
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int i = 0;
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for (Han *p = _cache, *q = p + _size; p < q; p++) {
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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;
if (line[n - 1] == '\n')
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line[--n] = '\0';
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if ((s = strtok(line, " =,;/\t\n")) == NULL)
continue;
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if (!IsDigit(*s))
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continue;
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int ref = atoi(s);
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if (ref && ref >= from && ref < upto) {
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Han *p = &_cache[find(ref)];
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if (p < CacheLim) {
delete[] p->_text;
p->_text = 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;
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s += strlen(s);
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if (s < line + n)
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++s;
if ((p->_text = new char[strlen(s) + 1]) == NULL)
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break;
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p->_ref = ref;
strcpy(p->_text, 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)
return NULL;
char line[kLineMax + 1];
int n;
while ((n = tf.read((uint8 *)line)) != 0) {
char *s;
if (line[n - 1] == '\n')
line[-- n] = '\0';
if ((s = strtok(line, " =,;/\t\n")) == NULL)
continue;
if (!IsDigit(*s))
continue;
int r = atoi(s);
if (r < ref)
continue;
if (r > ref)
break;
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// (r == ref)
s += strlen(s);
if (s < line + n)
++s;
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Han *p = &_cache[idx];
p->_ref = ref;
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if ((p->_text = new char[strlen(s) + 1]) == NULL)
return NULL;
return strcpy(p->_text, s);
}
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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]._text;
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if ((i = find(0)) >= _size) {
clear(kSysTextMax); // clear non-system
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if ((i = find(0)) >= _size) {
clear(); // clear all
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i = 0;
}
}
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return load(i, ref);
}
void Text::say(const char *text, Sprite *spr) {
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killText();
_talk = new Talk(_vm, text, kTBRound);
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if (!_talk)
return;
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);
uint16 sw = spike->_w;
if (east) {
if (x + sw + kTextRoundCorner + 5 >= kScrWidth)
east = false;
} else {
if (x <= 5 + kTextRoundCorner + sw)
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
_talk->_flags._kill = true;
_talk->_flags._bDel = true;
_talk->setName(_text->getText(kSayName));
_talk->gotoxy(x - (_talk->_w - sw) / 2 - 3 + 6 * east, y - spike->_h - _talk->_h + 1);
_talk->_z = 125;
_talk->_ref = kSayRef;
spike->gotoxy(x, _talk->_y + _talk->_h - 1);
spike->_z = 126;
spike->_flags._slav = true;
spike->_flags._kill = true;
spike->setName(_text->getText(kSayName));
spike->step(east);
spike->_ref = kSayRef;
_vga->_showQ->insert(_talk, _vga->_showQ->last());
_vga->_showQ->insert(spike, _vga->_showQ->last());
}
void CGEEngine::inf(const char *text) {
debugC(1, kCGEDebugEngine, "CGEEngine::inf(%s)", text);
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killText();
_talk = new Talk(this, text, kTBRect);
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if (!_talk)
return;
_talk->_flags._kill = true;
_talk->_flags._bDel = true;
_talk->setName(_text->getText(kInfName));
_talk->center();
_talk->gotoxy(_talk->_x, _talk->_y - 20);
_talk->_z = 126;
_talk->_ref = kInfRef;
_vga->_showQ->insert(_talk, _vga->_showQ->last());
}
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void Text::sayTime(Sprite *spr) {
TimeDate curTime;
_vm->_system->getTimeAndDate(curTime);
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char t[6];
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sprintf(t, "%d:%02d", curTime.tm_hour, curTime.tm_min);
say(t, spr);
}
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void killText() {
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if (!_talk)
return;
_snail_->addCom(kSnKill, -1, 0, _talk);
_talk = NULL;
}
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} // End of namespace CGE