Initial commit

engines/crab/ui/CreditScreen.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 the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#include "crab/ScreenSettings.h"
+#include "crab/XMLDoc.h"
+#include "crab/ui/CreditScreen.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::ui;
+using namespace pyrodactyl::text;
+
+void CreditScreen::reset() {
+	_start.x = g_engine->_screenSettings->_cur.w / 2 - 150;
+	_start.y = g_engine->_screenSettings->_cur.h + 20;
+	_cur.x = _start.x;
+	_speed._cur = _speed._slow;
+}
+
+void CreditScreen::load(const Common::Path &filename) {
+	XMLDoc conf(filename);
+	if (conf.ready()) {
+		rapidxml::xml_node<char> *node = conf.doc()->first_node("credits");
+
+		if (nodeValid("bg", node))
+			_bg.load(node->first_node("bg"));
+
+		if (nodeValid("h", node))
+			_heading.load(node->first_node("h"));
+
+		if (nodeValid("p", node))
+			_paragraph.load(node->first_node("p"));
+
+		if (nodeValid("logo", node))
+			_logo.load(node->first_node("logo"));
+
+		if (nodeValid("website", node))
+			_website.load(node->first_node("website"), false);
+
+		if (nodeValid("twitter", node))
+			_twitter.load(node->first_node("twitter"), false);
+
+		if (nodeValid("twitter", node))
+			_back.load(node->first_node("back"));
+
+		if (nodeValid("fast", node)) {
+			rapidxml::xml_node<char> *fnode = node->first_node("fast");
+			_fast.load(fnode);
+			loadNum(_speed._fast, "val", fnode);
+		}
+
+		if (nodeValid("slow", node)) {
+			rapidxml::xml_node<char> *snode = node->first_node("slow");
+			_slow.load(snode);
+			loadNum(_speed._slow, "val", snode);
+		}
+
+		if (nodeValid("reverse", node)) {
+			rapidxml::xml_node<char> *rnode = node->first_node("reverse");
+			_reverse.load(rnode);
+			loadNum(_speed._reverse, "val", rnode);
+		}
+
+		_speed._cur = _speed._slow;
+
+		if (nodeValid("pause", node))
+			_pause.load(node->first_node("pause"));
+
+		if (nodeValid("text", node)) {
+			rapidxml::xml_node<char> *tnode = node->first_node("text");
+			for (rapidxml::xml_node<char> *n = tnode->first_node(); n != nullptr; n = n->next_sibling()) {
+				CreditText t;
+				t._text = n->value();
+				t._heading = (n->name()[0] == 'h');
+				_list.push_back(t);
+			}
+		}
+	}
+}
+
+bool CreditScreen::handleEvents(Common::Event &event) {
+	if (_slow.handleEvents(event) == BUAC_LCLICK)
+		_speed._cur = _speed._slow;
+	else if (_fast.handleEvents(event) == BUAC_LCLICK)
+		_speed._cur = _speed._fast;
+	else if (_pause.handleEvents(event) == BUAC_LCLICK)
+		_speed._cur = 0.0f;
+	else if (_reverse.handleEvents(event) == BUAC_LCLICK)
+		_speed._cur = _speed._reverse;
+
+	if (_website.handleEvents(event) != BUAC_IGNORE)
+		g_system->openUrl("http://pyrodactyl.com");
+	else if (_twitter.handleEvents(event) != BUAC_IGNORE)
+		g_system->openUrl("https://www.twitter.com/pyrodactylgames");
+
+	return (_back.handleEvents(event) == BUAC_LCLICK);
+}
+
+void CreditScreen::draw() {
+	_bg.draw();
+
+	_slow.draw();
+	_fast.draw();
+	_pause.draw();
+	_reverse.draw();
+
+	_logo.draw();
+	_twitter.draw();
+	_website.draw();
+
+	_back.draw();
+
+	_cur.y = _start.y;
+
+	for (const auto &i : _list) {
+		_cur.y += _paragraph._inc;
+
+		if (i._heading) {
+			_cur.y += _heading._inc;
+			if (_cur.y > -30 && _cur.y < g_engine->_screenSettings->_cur.h + 40) // Only draw text if it is actually visible on screen
+				g_engine->_textManager->draw(_cur.x, _cur.y, i._text, _heading._color, _heading._font, _heading._align);
+		} else if (_cur.y > -30 && _cur.y < g_engine->_screenSettings->_cur.h + 40)
+			g_engine->_textManager->draw(_cur.x, _cur.y, i._text, _paragraph._color, _paragraph._font, _paragraph._align);
+
+		// If our cur value has reached below the screen, simply exit the loop as we won't draw anything else
+		if (_cur.y > g_engine->_screenSettings->_cur.h + 40)
+			break;
+	}
+
+	_start.y -= _speed._cur;
+
+	// Sanity check so that we don't scroll too high or low
+	if (_start.y > g_engine->_screenSettings->_cur.h + 40)
+		_start.y = g_engine->_screenSettings->_cur.h + 40;
+	else if (_start.y < INT_MIN + 10)
+		_start.y = INT_MIN + 10;
+}
+
+void CreditScreen::setUI() {
+	_bg.setUI();
+	_back.setUI();
+
+	_slow.setUI();
+	_fast.setUI();
+	_pause.setUI();
+	_reverse.setUI();
+
+	_logo.setUI();
+	_twitter.setUI();
+	_website.setUI();
+}
+
+} // End of namespace Crab