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engines/crab/item/ItemCollection.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/item/ItemCollection.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::people;
+using namespace pyrodactyl::item;
+using namespace pyrodactyl::ui;
+
+//------------------------------------------------------------------------
+// Purpose: Load the reference information
+//------------------------------------------------------------------------
+void ItemCollection::load(rapidxml::xml_node<char> *node) {
+	if (nodeValid("info", node))
+		_itemInfo.load(node->first_node("info"));
+
+	if (nodeValid("ref", node))
+		_ref.load(node->first_node("ref"));
+
+	if (nodeValid("inc", node))
+		_inc.load(node->first_node("inc"));
+
+	if (nodeValid("dim", node)) {
+		rapidxml::xml_node<char> *dimnode = node->first_node("dim");
+		loadNum(_rows, "rows", dimnode);
+		loadNum(_cols, "cols", dimnode);
+	}
+
+	loadBool(_useKeyboard, "keyboard", node);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Add a character's inventory if not added already
+//------------------------------------------------------------------------
+void ItemCollection::init(const Common::String &charId) {
+	if (!_item.contains(charId))
+		_item[charId].init(_ref, _inc, _rows, _cols, _useKeyboard);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Handle events
+//------------------------------------------------------------------------
+void ItemCollection::handleEvents(const Common::String &charId, const Common::Event &event) {
+	if (_item.contains(charId))
+		_item[charId].handleEvents(event);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Draw
+//------------------------------------------------------------------------
+void ItemCollection::draw(const Common::String &charId) {
+	if (_item.contains(charId))
+		_item[charId].draw(_itemInfo);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Delete an item from a character's inventory
+//------------------------------------------------------------------------
+void ItemCollection::del(const Common::String &charId, const Common::String &itemId) {
+	if (_item.contains(charId))
+		_item[charId].del(itemId);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Add an item to a character's inventory
+//------------------------------------------------------------------------
+void ItemCollection::add(const Common::String &charId, Item &itemData) {
+	// We might want to give a player character not yet encountered an item before we ever meet them
+	// Which is why we add a new inventory in case the character inventory does not exist yet
+	init(charId);
+
+	_item[charId].equip(itemData);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Find if a character has an item
+//------------------------------------------------------------------------
+bool ItemCollection::has(const Common::String &charId, const Common::String &container, const Common::String &itemId) {
+	if (_item.contains(charId))
+		return _item[charId].has(container, itemId);
+
+	return false;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Load items from save file
+//------------------------------------------------------------------------
+void ItemCollection::loadState(rapidxml::xml_node<char> *node) {
+	for (auto n = node->first_node(); n != nullptr; n = n->next_sibling()) {
+		// Add all characters in the save file, whether we have them in the inventory or not
+		init(n->name());
+		_item[n->name()].loadState(n);
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Write items to save file
+//------------------------------------------------------------------------
+void ItemCollection::saveState(rapidxml::xml_document<> &doc, rapidxml::xml_node<char> *root) {
+	for (auto &i : _item) {
+		rapidxml::xml_node<char> *child = doc.allocate_node(rapidxml::node_element, i._key.c_str());
+		i._value.saveState(doc, child);
+		root->append_node(child);
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Reset UI elements when resolution changes
+//------------------------------------------------------------------------
+void ItemCollection::setUI() {
+	_itemInfo.setUI();
+
+	for (auto &i : _item)
+		i._value.setUI();
+}
+
+} // End of namespace Crab