Initial commit

engines/crab/item/ItemSlot.cpp

@@ -0,0 +1,169 @@
+/* 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/crab.h"
+#include "crab/item/ItemSlot.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::ui;
+using namespace pyrodactyl::item;
+using namespace pyrodactyl::input;
+using namespace pyrodactyl::music;
+using namespace pyrodactyl::people;
+
+//------------------------------------------------------------------------
+// Purpose: Load
+//------------------------------------------------------------------------
+void ItemSlot::load(rapidxml::xml_node<char> *node) {
+	StateButton::load(node);
+
+	if (node->first_attribute("slot") == nullptr)
+		_noType = true;
+	else {
+		loadStr(_itemType, "slot", node);
+		_noType = false;
+	}
+
+	Common::String name = node->name();
+	if (name == "equip")
+		_category = SLOT_EQUIP;
+	else
+		_category = SLOT_STORAGE;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Initialize from reference item slot
+//------------------------------------------------------------------------
+void ItemSlot::init(const ItemSlot &ref, const int &xOffset, const int &YOffset) {
+	StateButton::init(ref, xOffset, YOffset);
+	_canmove = ref._canmove;
+	_noType = ref._noType;
+	_category = ref._category;
+	_unread = ref._unread;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Save state to file
+//------------------------------------------------------------------------
+void ItemSlot::saveState(rapidxml::xml_document<> &doc, rapidxml::xml_node<char> *root) {
+	rapidxml::xml_node<char> *child;
+
+	if (_category == SLOT_EQUIP)
+		child = doc.allocate_node(rapidxml::node_element, "equip");
+	else
+		child = doc.allocate_node(rapidxml::node_element, "storage");
+
+	_item.saveState(doc, child);
+	saveBool(_unread, "unread", doc, child);
+
+	root->append_node(child);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Load state from file
+//------------------------------------------------------------------------
+void ItemSlot::loadState(rapidxml::xml_node<char> *node) {
+	_item.load(node);
+	loadBool(_unread, "unread", node);
+
+	if (_item._id == "")
+		_empty = true;
+	else
+		_empty = false;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Draw
+//------------------------------------------------------------------------
+void ItemSlot::draw() {
+	StateButton::draw();
+
+	if (!_empty)
+		_item.draw(x, y);
+
+	if (_unread)
+		g_engine->_imageManager->notifyDraw(x + w, y);
+}
+
+//------------------------------------------------------------------------
+// Purpose: Handle user input
+//------------------------------------------------------------------------
+ButtonAction ItemSlot::handleEvents(const Common::Event &event, const int &xOffset, const int &yOffset) {
+	ButtonAction ac = StateButton::handleEvents(event, xOffset, yOffset);
+	if (ac == BUAC_LCLICK || ac == BUAC_RCLICK)
+		_unread = false;
+
+	return ac;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Exchange items with another slot
+// this object is the current slot, parameter object is target slot
+//------------------------------------------------------------------------
+bool ItemSlot::swap(ItemSlot &target) {
+	if (canSwap(target)) {
+		Item temp = _item;
+		_item = target._item;
+		target._item = temp;
+
+		bool val = _empty;
+		_empty = target._empty;
+		target._empty = val;
+
+		return true;
+	}
+
+	return false;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Equip an item
+//------------------------------------------------------------------------
+bool ItemSlot::equip(Item &i) {
+	if ((_itemType == i._type || _noType) && _empty) {
+		_item = i;
+		_empty = false;
+		_unread = true;
+		return true;
+	}
+
+	return false;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Change stats based on item
+//------------------------------------------------------------------------
+void ItemSlot::statChange(pyrodactyl::people::Person &obj, bool increase) {
+	if (_enabled)
+		_item.statChange(obj, increase);
+}
+
+} // End of namespace Crab