scummvm/engines/ultima/ultima8/world/damage_info.h
2021-12-26 18:48:43 +01:00

99 lines
2.5 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 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 WORLD_DAMAGE_INFO_H
#define WORLD_DAMAGE_INFO_H
#include "ultima/shared/std/string.h"
namespace Ultima {
namespace Ultima8 {
class Item;
/**
* The damage.dat flex contains data about each shape and how it should be damaged
*/
class DamageInfo {
public:
DamageInfo(uint8 data[6]);
~DamageInfo() {};
//! apply this damage info to the given item. Returns true if the item was destroyed in the process.
bool applyToItem(Item *item, uint16 points) const;
bool frameDataIsAbsolute() const {
return (_flags >> 7) & 1;
}
bool replaceItem() const {
return (_flags >> 6) & 1;
}
bool explodeDestroysItem() const {
return (_flags >> 5) & 1;
}
bool explodeWithDamage() const {
return (_flags >> 3) & 1;
}
bool takesDamage() const {
return _flags & 1;
}
uint8 damagePoints() const {
return _damagePoints;
}
protected:
bool explode() const {
return (_flags & 0x06) != 0;
}
int explosionType() const {
assert(explode());
return ((_flags & 0x06) >> 1) - 1;
}
uint16 getReplacementShape() const {
assert(replaceItem());
return static_cast<uint16>(_data[1]) << 8 | _data[0];
}
uint16 getReplacementFrame() const {
assert(replaceItem());
return static_cast<uint16>(_data[2]);
}
// Flags are ABCxDEEF
// A = frame data is absolute (not relative to current)
// B = item is replaced when destroyed
// C = item destroyed after explosion
// D = explosion damages surrounding items
// EE = 2 bits for explosion type
// F = item takes damage
uint8 _flags;
uint8 _sound;
uint8 _data[3];
uint8 _damagePoints;
};
} // End of namespace Ultima8
} // End of namespace Ultima
#endif