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engines/pegasus/items/inventory/inventoryitem.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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * 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/>.
+ *
+ */
+
+#include "common/stream.h"
+
+#include "pegasus/pegasus.h"
+#include "pegasus/ai/ai_area.h"
+#include "pegasus/items/inventory/inventoryitem.h"
+
+namespace Pegasus {
+
+InventoryItem::InventoryItem(const ItemID id, const NeighborhoodID neighborhood, const RoomID room, const DirectionConstant direction) :
+		Item(id, neighborhood, room, direction) {
+
+	Common::SeekableReadStream *leftInfo = g_vm->_resFork->getResource(MKTAG('L', 'e', 'f', 't'), kItemBaseResID + id);
+	if (leftInfo) {
+		_leftAreaInfo = readItemState(leftInfo);
+		delete leftInfo;
+	} else {
+		_leftAreaInfo.numEntries = 0;
+		_leftAreaInfo.entries = nullptr;
+	}
+
+	Common::SeekableReadStream *inventoryInfo = g_vm->_resFork->getResource(MKTAG('I', 'n', 'v', 'I'), kItemBaseResID + id);
+	if (inventoryInfo) {
+		_inventoryInfo.panelStart = inventoryInfo->readUint32BE();
+		_inventoryInfo.panelStop = inventoryInfo->readUint32BE();
+		delete inventoryInfo;
+	} else {
+		_inventoryInfo.panelStart = _inventoryInfo.panelStop = 0;
+	}
+
+	_itemAnimationTime = 0;
+}
+
+InventoryItem::~InventoryItem() {
+	delete[] _leftAreaInfo.entries;
+}
+
+ItemType InventoryItem::getItemType() {
+	return kInventoryItemType;
+}
+
+TimeValue InventoryItem::getLeftAreaTime() const {
+	if (!_leftAreaInfo.entries)
+		return 0xffffffff;
+
+	TimeValue time;
+	ItemState state;
+
+	findItemStateEntryByState(_leftAreaInfo, _itemState, time);
+	if (time == 0xffffffff)
+		getItemStateEntry(_leftAreaInfo, 0, state, time);
+
+	return time;
+}
+
+void InventoryItem::setAnimationTime(const TimeValue time) {
+	_itemAnimationTime = time;
+}
+
+TimeValue InventoryItem::getAnimationTime() const {
+	return _itemAnimationTime;
+}
+
+//	Must affect images in left area.
+void InventoryItem::select() {
+	Item::select();
+
+	if (g_AIArea)
+		g_AIArea->setAIAreaToTime(kInventorySignature, kLeftAreaSignature, getLeftAreaTime());
+}
+
+void InventoryItem::deselect() {
+	Item::deselect();
+
+	if (g_AIArea)
+		g_AIArea->setAIAreaToTime(kInventorySignature, kLeftAreaSignature, 0xffffffff);
+}
+
+void InventoryItem::getPanelTimes(TimeValue &start, TimeValue &stop) const {
+	start = _inventoryInfo.panelStart;
+	stop = _inventoryInfo.panelStop;
+}
+
+} // End of namespace Pegasus