Initial commit

engines/cge2/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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on original Sfinx source code
+ * Copyright (c) 1994-1997 Janusz B. Wisniewski and L.K. Avalon
+ */
+
+#include "cge2/text.h"
+#include "common/str.h"
+
+namespace CGE2 {
+
+Text::Text(CGE2Engine *vm, const char *fname) : _vm(vm) {
+	_vm->mergeExt(_fileName, fname, kSayExt);
+	if (!_vm->_resman->exist(_fileName))
+		error("No talk (%s)", _fileName);
+	_txtCount = count();
+	if (_txtCount == -1)
+		error("Unable to read dialog file %s", _fileName);
+
+	_txtCount += 2;
+	_cache = new Handler[_txtCount];
+	for (_size = 0; _size < _txtCount; _size++) {
+		_cache[_size]._ref = 0;
+		_cache[_size]._text = nullptr;
+	}
+	load();
+
+	_cache[_txtCount - 1]._ref = -1;
+	_cache[_txtCount - 1]._text = new char[3];
+	_cache[_txtCount - 1]._text[0] = '\0';
+}
+
+Text::~Text() {
+	clear();
+	delete[] _cache;
+}
+
+int16 Text::count() {
+	EncryptedStream tf(_vm->_resman, _fileName);
+	if (tf.err())
+		return -1;
+
+	Common::String line;
+	char tmpStr[kLineMax + 1];
+
+	int counter = 0;
+
+	for (line = tf.readLine(); !tf.eos(); line = tf.readLine()) {
+		char *s;
+		assert(line.size() <= 513);
+		Common::strlcpy(tmpStr, line.c_str(), sizeof(tmpStr));
+		if ((s = strtok(tmpStr, " =,;/\t\n")) == nullptr)
+			continue;
+		if (!Common::isDigit(*s))
+			continue;
+
+		counter++;
+	}
+	return counter;
+}
+
+void Text::clear() {
+	for (int i = 0; i < _txtCount; i++) {
+		if (_cache[i]._ref) {
+			_cache[i]._ref = 0;
+			delete[] _cache[i]._text;
+			_cache[i]._text = nullptr;
+		}
+	}
+}
+
+void Text::load() {
+	EncryptedStream tf(_vm->_resman, _fileName);
+	assert(!tf.err());
+
+	Common::String line;
+	char tmpStr[kLineMax + 1];
+	int idx;
+
+	for (idx = 0, line = tf.readLine(); !tf.eos(); line = tf.readLine()) {
+		int n = line.size();
+		char *s;
+		Common::strlcpy(tmpStr, line.c_str(), sizeof(tmpStr));
+		if ((s = strtok(tmpStr, " =,;/\t\n")) == nullptr)
+			continue;
+		if (!Common::isDigit(*s))
+			continue;
+
+		int r = _vm->number(s);
+
+		s += strlen(s);
+		if (s < tmpStr + n)
+			++s;
+
+		_cache[idx]._ref = r;
+		size_t ln = strlen(s) + 1;
+		_cache[idx]._text = new char[ln];
+		Common::strcpy_s(_cache[idx]._text, ln, s);
+		idx++;
+	}
+}
+
+char *Text::getText(int ref) {
+	int i;
+	for (i = 0; (i < _size) && (_cache[i]._ref != ref); i++)
+		;
+
+	if (i < _size)
+		return _cache[i]._text;
+
+	warning("getText: Unable to find ref %d:%d", ref / 256, ref % 256);
+	return _cache[0]._text;
+}
+
+void Text::say(const char *text, Sprite *spr) {
+	_vm->killText();
+
+	_vm->_talk = new Talk(_vm, text, kTBRound, kCBSay);
+
+	Speaker *speaker = new Speaker(_vm);
+
+	bool east = spr->_flags._east;
+	V2D d(_vm, 20, spr->_siz.y - 2);
+	if (!east)
+		d.x = -d.x;
+	if (_vm->isHero(spr))
+		d = d.scale(spr->_pos3D._z.trunc());
+	V2D pos = spr->_pos2D + d;
+	uint16 sw = (speaker->_siz.x >> 1);
+	if (!east)
+		sw = -sw;
+
+	if (east) {
+		if (pos.x + sw + kTextRoundCorner + kCaptionSide >= kScrWidth)
+			east = false;
+	} else if (pos.x <= kCaptionSide + kTextRoundCorner - sw)
+		east = true;
+
+	if (east != (d.x > 0)) {
+		d.x = -d.x;
+		sw = -sw;
+	}
+	pos.x = spr->_pos2D.x + d.x + sw;
+
+	_vm->_talk->_flags._kill = true;
+	_vm->_talk->setName(getText(kSayName));
+	_vm->_talk->gotoxyz(pos.x, pos.y + speaker->_siz.y - 1, 0);
+
+	speaker->gotoxyz(pos.x, _vm->_talk->_pos3D._y.trunc() - speaker->_siz.y + 1, 0);
+	speaker->_flags._slav = true;
+	speaker->_flags._kill = true;
+	speaker->setName(getText(kSayName));
+	speaker->step(east);
+
+	_vm->_vga->_showQ->append(_vm->_talk);
+	_vm->_vga->_showQ->append(speaker);
+}
+
+void CGE2Engine::inf(const char *text, ColorBank col) {
+	killText();
+	_talk = new Talk(this, text, kTBRect, col, true);
+	_talk->_flags._kill = true;
+	_talk->setName(_text->getText(kInfName));
+	_talk->center();
+	_vga->_showQ->append(_talk);
+}
+
+void Text::sayTime(Sprite *spr) {
+	TimeDate curTime;
+	_vm->_system->getTimeAndDate(curTime);
+
+	char t[6];
+	snprintf(t, 6, "%d:%02d", curTime.tm_hour, curTime.tm_min);
+	say(t, spr);
+}
+
+} // End of namespace CGE2