Initial commit

engines/crab/event/EventSequence.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/XMLDoc.h"
+#include "crab/event/EventSequence.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::event;
+
+//------------------------------------------------------------------------
+// Purpose: Load
+//------------------------------------------------------------------------
+void EventSequence::load(const Common::Path &filename) {
+	XMLDoc conf(filename);
+	if (conf.ready()) {
+		rapidxml::xml_node<char> *node = conf.doc()->first_node("events");
+		for (auto n = node->first_node("event"); n != nullptr; n = n->next_sibling("event")) {
+			GameEvent e(n);
+			_events.push_back(e);
+		}
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Check for events happening
+//------------------------------------------------------------------------
+void EventSequence::internalEvents(pyrodactyl::event::Info &info) {
+	for (const auto &nxe : _next) {
+		if (nxe < _events.size()) {
+			if (_events[nxe]._trig.evaluate(info)) {
+				_eventInProgress = true;
+				_cur = nxe;
+				break;
+			}
+		}
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Go to next event
+//------------------------------------------------------------------------
+void EventSequence::nextEvent(pyrodactyl::event::Info &info, const Common::String &player_id, Common::Array<EventResult> &result,
+							  Common::Array<EventSeqInfo> &end_seq, int NextEventChoice) {
+	bool sync = false;
+	_eventInProgress = false;
+
+	// Execute all effects associated with the event
+	for (auto &i : _events[_cur]._effect)
+		if (i.execute(info, player_id, result, end_seq))
+			sync = true;
+
+	// Play a notification sound
+	using namespace pyrodactyl::music;
+
+	if (info._sound._repDec)
+		g_engine->_musicManager->playEffect(g_engine->_musicManager->_repDec, 0);
+	else if (info._sound._repInc)
+		g_engine->_musicManager->playEffect(g_engine->_musicManager->_repInc, 0);
+	else if (info._sound._notify)
+		g_engine->_musicManager->playEffect(g_engine->_musicManager->_notify, 0);
+
+	info._sound._notify = false;
+	info._sound._repDec = false;
+	info._sound._repInc = false;
+
+	if (!result.empty() || sync) {
+		EventResult r;
+		r._type = ER_SYNC;
+		result.push_back(r);
+	}
+
+	// Clear the next event list
+	_next.clear();
+
+	// Add the next event to the event list
+	if (NextEventChoice != -1)
+		_next.push_back(NextEventChoice);
+	else {
+		for (const auto &i : _events[_cur]._next)
+			_next.push_back(i);
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Save the state of the object
+//------------------------------------------------------------------------
+void EventSequence::saveState(rapidxml::xml_document<char> &doc, rapidxml::xml_node<char> *root, const char *name) {
+	rapidxml::xml_node<char> *seqnode = doc.allocate_node(rapidxml::node_element, "set");
+
+	// Write current event id and name to node
+	seqnode->append_attribute(doc.allocate_attribute("name", name));
+	seqnode->append_attribute(doc.allocate_attribute("current", g_engine->_stringPool->get(_cur)));
+
+	// Prepare strings of next events and write them
+	for (uint i = 0; i < _next.size(); i++) {
+		rapidxml::xml_node<char> *child = doc.allocate_node(rapidxml::node_element, "next");
+		child->value(g_engine->_stringPool->get(_next[i]));
+		seqnode->append_node(child);
+	}
+
+	root->append_node(seqnode);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Load the state of the object
+//------------------------------------------------------------------------
+void EventSequence::loadState(rapidxml::xml_node<char> *node) {
+	rapidxml::xml_attribute<char> *curid = node->first_attribute("current");
+	if (curid != nullptr)
+		_cur = stringToNumber<uint>(curid->value());
+
+	_next.clear();
+	for (auto n = node->first_node("next"); n != nullptr; n = n->next_sibling("next"))
+		_next.push_back(stringToNumber<uint>(n->value()));
+
+	if (_next.empty())
+		_next.push_back(0);
+}
+
+} // End of namespace Crab