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engines/hugo/inventory.h

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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 original Hugo Trilogy source code
+ *
+ * Copyright (c) 1989-1995 David P. Gray
+ *
+ */
+
+#ifndef HUGO_INVENTORY_H
+#define HUGO_INVENTORY_H
+namespace Hugo {
+
+/**
+ * Actions for Process_inventory()
+ */
+enum InvAct {kInventoryActionInit, kInventoryActionLeft, kInventoryActionRight, kInventoryActionGet};
+
+class InventoryHandler {
+public:
+	InventoryHandler(HugoEngine *vm);
+
+	void     setInventoryObjId(int16 objId);
+	void     setInventoryState(Istate state);
+	void     freeInvent();
+
+	int16    getInventoryObjId() const;
+	Istate   getInventoryState() const;
+
+	int16 findIconId(int16 objId);
+	void  loadInvent(Common::SeekableReadStream &in);
+	int16 processInventory(const int action, ...);
+	void  runInventory();
+
+private:
+	HugoEngine *_vm;
+
+	static const int kStepDy = 8;                   // Pixels per step movement
+
+	int16    _firstIconId;                          // Index of first icon to display
+	int16   *_invent;
+	Istate   _inventoryState;                       // Inventory icon bar state
+	int16    _inventoryHeight;                      // Inventory icon bar height
+	int16    _inventoryObjId;                       // Inventory object selected, or -1
+	byte     _maxInvent;
+
+	void constructInventory(const int16 imageTotNumb, int displayNumb, const bool scrollFl, int16 firstObjId);
+};
+
+} // End of namespace Hugo
+
+#endif // HUGO_INVENTORY_H