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/*
* Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MANGOS_FORMULAS_H
#define MANGOS_FORMULAS_H
#include "World.h"
namespace MaNGOS
{
namespace XP
{
typedef enum XPColorChar { RED, ORANGE, YELLOW, GREEN, GRAY };
inline uint32 GetGrayLevel(uint32 pl_level)
{
if( pl_level <= 5 )
return 0;
else if( pl_level <= 39 )
return pl_level - 5 - pl_level/10;
else if( pl_level <= 59 )
return pl_level - 1 - pl_level/5;
else
return pl_level - 9;
}
inline XPColorChar GetColorCode(uint32 pl_level, uint32 mob_level)
{
if( mob_level >= pl_level + 5 )
return RED;
else if( mob_level >= pl_level + 3 )
return ORANGE;
else if( mob_level >= pl_level - 2 )
return YELLOW;
else if( mob_level > GetGrayLevel(pl_level) )
return GREEN;
else
return GRAY;
}
inline uint32 GetZeroDifference(uint32 pl_level)
{
if( pl_level < 8 ) return 5;
if( pl_level < 10 ) return 6;
if( pl_level < 12 ) return 7;
if( pl_level < 16 ) return 8;
if( pl_level < 20 ) return 9;
if( pl_level < 30 ) return 11;
if( pl_level < 40 ) return 12;
if( pl_level < 45 ) return 13;
if( pl_level < 50 ) return 14;
if( pl_level < 55 ) return 15;
if( pl_level < 60 ) return 16;
return 17;
}
inline uint32 BaseGain(uint32 pl_level, uint32 mob_level, ContentLevels content)
{
const uint32 nBaseExp = content == CONTENT_1_60 ? 45 : 235;
if( mob_level >= pl_level )
{
uint32 nLevelDiff = mob_level - pl_level;
if (nLevelDiff > 4)
nLevelDiff = 4;
return ((pl_level*5 + nBaseExp) * (20 + nLevelDiff)/10 + 1)/2;
}
else
{
uint32 gray_level = GetGrayLevel(pl_level);
if( mob_level > gray_level )
{
uint32 ZD = GetZeroDifference(pl_level);
return (pl_level*5 + nBaseExp) * (ZD + mob_level - pl_level)/ZD;
}
return 0;
}
}
inline uint32 Gain(Player *pl, Unit *u)
{
if(u->GetTypeId()==TYPEID_UNIT && (
((Creature*)u)->isTotem() || ((Creature*)u)->isPet() ||
(((Creature*)u)->GetCreatureInfo()->flags_extra & CREATURE_FLAG_EXTRA_NO_XP_AT_KILL) ))
return 0;
uint32 xp_gain= BaseGain(pl->getLevel(), u->getLevel(), GetContentLevelsForMapAndZone(pl->GetMapId(),pl->GetZoneId()));
if( xp_gain == 0 )
return 0;
if(u->GetTypeId()==TYPEID_UNIT && ((Creature*)u)->isElite())
xp_gain *= 2;
return (uint32)(xp_gain*sWorld.getRate(RATE_XP_KILL));
}
inline uint32 xp_Diff(uint32 lvl)
{
if( lvl < 29 )
return 0;
if( lvl == 29 )
return 1;
if( lvl == 30 )
return 3;
if( lvl == 31 )
return 6;
else
return (5*(lvl-30));
}
inline uint32 mxp(uint32 lvl)
{
if (lvl < 60)
{
return (45 + (5*lvl));
}
else
{
return (235 + (5*lvl));
}
}
inline uint32 xp_to_level(uint32 lvl)
{
uint32 xp = 0;
if (lvl < 60)
{
xp = (8*lvl + xp_Diff(lvl)) * mxp(lvl);
}
else if (lvl == 60)
{
xp = (155 + mxp(lvl) * (1344 - 70 - ((69 - lvl) * (7 + (69 - lvl) * 8 - 1)/2)));
}
else if (lvl < 70)
{
xp = (155 + mxp(lvl) * (1344 - ((69-lvl) * (7 + (69 - lvl) * 8 - 1)/2)));
}else
{
// level higher than 70 is not supported
xp = (uint32)(779700 * (pow(sWorld.getRate(RATE_XP_PAST_70), (int32)lvl - 69)));
return ((xp < 0x7fffffff) ? xp : 0x7fffffff);
}
// The XP to Level is always rounded to the nearest 100 points (50 rounded to high).
xp = ((xp + 50) / 100) * 100; // use additional () for prevent free association operations in C++
if ((lvl > 10) && (lvl < 60)) // compute discount added in 2.3.x
{
uint32 discount = (lvl < 28) ? (lvl - 10) : 18;
xp = (xp * (100 - discount)) / 100; // apply discount
xp = (xp / 100) * 100; // floor to hundreds
}
return xp;
}
inline float xp_in_group_rate(uint32 count, bool isRaid)
{
if(isRaid)
{
// FIX ME: must apply decrease modifiers dependent from raid size
return 1.0f;
}
else
{
switch(count)
{
case 0:
case 1:
case 2:
return 1.0f;
case 3:
return 1.166f;
case 4:
return 1.3f;
case 5:
default:
return 1.4f;
}
}
}
}
}
#endif
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