khanat-code-old/code/ryzom/common/src/game_share/multi_target.h
2010-06-10 11:50:19 +02:00

83 lines
2.8 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef RY_MULTI_TARGET_H
#define RY_MULTI_TARGET_H
#include "entity_types.h"
const float MULTI_TARGET_DISTANCE_UNIT = 100.f / 127.f;
/** A list of targets, which can be packed/unpacked in visual properties (see PROPERTY_TARGET_LIST_x in entity_types.h)
*
* \author Nicolas Vizerie
* \author Nevrax France
* \date 2003
*/
class CMultiTarget
{
public:
// a single target
class CTarget
{
public:
uint8 TargetSlot; // the slot that is targetted
uint8 Info; // Damage shield for melee 5:3 format (damage shield io : power )
// Distance for range attacks (that do not have damage shield) format is 7:1
public:
CTarget(uint8 slot = CLFECOMMON::INVALID_SLOT, bool resist = false, uint8 dist = 0) : TargetSlot(slot)
{
Info = (resist == 0 ? 0 : 0x80) | (dist & 0x7f);
}
uint16 getPacked() const;
void setPacked(uint16 value);
};
typedef std::vector<CTarget> TTargetVect;
// the list of targets
TTargetVect Targets;
public:
/** create packed version of targets (to store in visual properties)
* each VP encodes 4 targets
* caller must provide enough room to store the result (assertion is raised otherwise)
*/
void pack(uint64 *destVP, uint numVP);
// build the target from their packed version
void unpack(const uint64 *srcVP, uint numVP);
};
////////////
// INLINE //
////////////
// *******************************************************************************************
inline uint16 CMultiTarget::CTarget::getPacked() const
{
//return (uint16) TargetSlot | ((uint16) (Resist ? 1 : 0) << 15) | ((uint16) Distance << 8);
return (uint16) TargetSlot | (uint16(Info) << 8);
}
// *******************************************************************************************
inline void CMultiTarget::CTarget::setPacked(uint16 value)
{
TargetSlot = uint8(value & 0xff);
/*Distance = (uint8) ((value >> 8) & 0x7f);
Resist = (value & 0x8000) != 0;*/
Info = value >> 8;
}
#endif