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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/>.
*
*/
#ifndef ULTIMA8_USECODE_GLOBAL_STORAGE_H
#define ULTIMA8_USECODE_GLOBAL_STORAGE_H
namespace Ultima {
namespace Ultima8 {
/**
* Base class for globals that are accessed by the Usecode.
* In U8 this is a bitfield, in Crusader it's a byte array.
*/
class GlobalStorage {
public:
virtual ~GlobalStorage() {};
virtual void setSize(unsigned int size) = 0;
//! get a value
//! \param pos zero-based position
//! \param n number of entries to read
//! \return the value these entries represent
virtual uint32 getEntries(unsigned int pos, unsigned int n) const = 0;
//! set a value
//! \param pos zero-based position
//! \param n number of entries (no greater than one uint32-worth)
//! \param val the value to set
virtual void setEntries(unsigned int pos, unsigned int n, uint32 val) = 0;
virtual void save(Common::WriteStream *ws) = 0;
virtual bool load(Common::ReadStream *rs, uint32 version) = 0;
};
} // End of namespace Ultima8
} // End of namespace Ultima
#endif
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