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// Copyright (c) Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// Copyright (c) 2014 - 2015 Evol developers
#include "common/hercules.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common/HPMi.h"
#include "common/nullpo.h"
#include "common/utils.h"
#include "map/itemdb.h"
#include "map/mob.h"
#include "map/pc.h"
#include "plugins/HPMHooking.h"
#include "emap/data/itemd.h"
#include "emap/data/mobd.h"
#include "emap/struct/itemdext.h"
#include "emap/struct/mobdext.h"
// copy from common/utils.c
/**
* Applies a percentual rate modifier.
*
* @param value The base value.
* @param rate The rate modifier to apply.
* @param stdrate The rate modifier's divider (rate == stdrate => 100%).
* @return The modified value.
*/
int64 apply_percentrate64(int64 value, int rate, int stdrate)
{
Assert_ret(stdrate > 0);
Assert_ret(rate >= 0);
if (rate == stdrate)
return value;
if (rate == 0)
return 0;
if (INT64_MAX / rate < value)
{
// Give up some precision to prevent overflows
return value / stdrate * rate;
}
return value * rate / stdrate;
}
bool ebattle_check_arrows_post(bool retVal,
struct map_session_data *sd)
{
if (retVal == true)
{
if (!sd)
return retVal;
const int ammoIndex = sd->equip_index[EQI_AMMO];
if (ammoIndex < 0)
return true;
const int ammoId = sd->inventory_data[ammoIndex]->nameid;
if (ammoId <= 0)
return true;
const int weaponIndex = sd->equip_index[EQI_HAND_L];
if (weaponIndex < 0)
return true;
struct ItemdExt *data = itemd_get(sd->inventory_data[weaponIndex]);
if (!data)
return true;
const int sz = VECTOR_LENGTH(data->allowedAmmo);
if (sz == 0) // allow any ammo if AllowedAmmo list is empty
return true;
for (int f = 0; f < sz; f ++)
{
const int id = VECTOR_INDEX(data->allowedAmmo, f);
if (ammoId == id)
return true;
}
clif->arrow_fail(sd, 0);
return false;
}
return false;
}
struct Damage ebattle_calc_weapon_attack_post(struct Damage retVal,
struct block_list *src,
struct block_list *target,
uint16 skill_id,
uint16 skill_lv,
int wflag)
{
if (src == NULL)
return retVal;
struct map_session_data *sd = BL_CAST(BL_PC, src);
if (sd == NULL)
return retVal;
// Staffs and Books will use MATK instead of ATK.
// These regular attacks are still subject to regular DEF/Evade/etc.
// And base attack bonus might still be gained from STR instead of INT.
// TODO: Move this to a pre-hook to avoid extra calculation
/* FIXME - Uncomment & Deploy after fixing infinite loop
if (!skill_id && (sd->weapontype == W_STAFF || sd->weapontype == W_BOOK)) {
retVal=battle->calc_magic_attack(src, target, skill_id, skill_lv, wflag);
}
*/
struct mob_data *md = BL_CAST(BL_MOB, target);
if (md == NULL)
return retVal;
struct MobdExt *data = mobd_get_by_mob(md);
if (data == NULL)
return retVal;
int mod = 0;
if (skill_id > 0)
{
const int idx = skill->get_index(skill_id);
mod = data->skillAttacks[idx];
}
else
{
mod = data->weaponAttacks[sd->weapontype1];
}
retVal.damage = apply_percentrate64(retVal.damage, mod, 10000);
retVal.damage2 = apply_percentrate64(retVal.damage2, mod, 10000);
return retVal;
}
enum damage_lv ebattle_weapon_attack_pre(struct block_list **srcPtr,
struct block_list **targetPtr,
int64 *tickPtr __attribute__ ((unused)),
int *flagPtr __attribute__ ((unused)))
{
struct block_list *src = *srcPtr;
struct block_list *target = *targetPtr;
nullpo_retr(ATK_NONE, src);
nullpo_retr(ATK_NONE, target);
struct map_session_data *sd = BL_CAST(BL_PC, src);
if (sd == NULL)
return ATK_NONE;
const int weaponIndex = sd->equip_index[EQI_HAND_L];
if (weaponIndex < 0)
return ATK_NONE;
struct ItemdExt *data = itemd_get(sd->inventory_data[weaponIndex]);
if (!data)
return ATK_NONE;
if (distance_bl(src, target) < data->minRange)
{ // if range between player and target > minRange, then dont attack
hookStop();
return ATK_NONE;
}
return ATK_NONE;
}
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