scummvm/engines/hugo/inventory.h
2011-05-12 01:16:22 +02:00

73 lines
2.3 KiB
C++

/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* 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_t {kInventoryActionInit, kInventoryActionLeft, kInventoryActionRight, kInventoryActionGet};
class InventoryHandler {
public:
InventoryHandler(HugoEngine *vm);
void setInventoryObjId(int16 objId);
void setInventoryState(istate_t state);
void freeInvent();
int16 getInventoryObjId() const;
istate_t getInventoryState() const;
int16 findIconId(int16 objId);
void loadInvent(Common::SeekableReadStream &in);
int16 processInventory(const invact_t 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_t _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