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engines/kyra/engine/items_v2.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/>.
+ *
+ */
+
+#include "kyra/engine/kyra_v2.h"
+#include "kyra/graphics/screen_v2.h"
+
+namespace Kyra {
+
+void KyraEngine_v2::initItemList(int size) {
+	delete[] _itemList;
+
+	_itemList = new ItemDefinition[size]();
+	assert(_itemList);
+	_itemListSize = size;
+
+	resetItemList();
+}
+
+int KyraEngine_v2::findFreeItem() {
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == kItemNone)
+			return i;
+	}
+	return -1;
+}
+
+int KyraEngine_v2::countAllItems() {
+	int num = 0;
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id != kItemNone)
+			++num;
+	}
+	return num;
+}
+
+int KyraEngine_v2::findItem(uint16 sceneId, Item id) {
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == id && _itemList[i].sceneId == sceneId)
+			return i;
+	}
+	return -1;
+}
+
+int KyraEngine_v2::findItem(Item item) {
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == item)
+			return i;
+	}
+	return -1;
+}
+
+void KyraEngine_v2::resetItemList() {
+	for (int i = 0; i < _itemListSize; ++i)
+		resetItem(i);
+}
+
+void KyraEngine_v2::resetItem(int index) {
+	_itemList[index].id = kItemNone;
+	_itemList[index].sceneId = 0xFFFF;
+	_itemList[index].x = 0;
+	_itemList[index].y = 0;
+}
+
+void KyraEngine_v2::setHandItem(Item item) {
+	if (item == kItemNone) {
+		removeHandItem();
+	} else {
+		setMouseCursor(item);
+		_itemInHand = item;
+	}
+}
+
+void KyraEngine_v2::removeHandItem() {
+	Screen *scr = screen();
+	scr->setMouseCursor(0, 0, getShapePtr(0));
+	_itemInHand = kItemNone;
+	_mouseState = kItemNone;
+}
+
+} // end of namesapce Kyra