@Override
public String onKill(L2Npc npc, L2PcInstance killer, boolean isPet) {
// Retrieve individual mob informations.
final LevelingInfo npcInfo = SoulCrystalsTable.getNpcInfos().get(npc.getNpcId());
if (npcInfo == null) return null;
// Handle npc leveling info type.
switch (npcInfo.getAbsorbCrystalType()) {
case FULL_PARTY:
final L2Attackable mob = (L2Attackable) npc;
final int chance = Rnd.get(100);
for (L2PcInstance player : getPartyMembersState(killer, npc, Quest.STATE_STARTED))
tryToStageCrystal(player, mob, npcInfo, chance);
break;
case PARTY_ONE_RANDOM:
final L2PcInstance player = getRandomPartyMemberState(killer, npc, Quest.STATE_STARTED);
if (player != null) tryToStageCrystal(player, (L2Attackable) npc, npcInfo, Rnd.get(100));
break;
case LAST_HIT:
if (checkPlayerState(killer, npc, Quest.STATE_STARTED) != null)
tryToStageCrystal(killer, (L2Attackable) npc, npcInfo, Rnd.get(100));
break;
}
return null;
}
/**
* Define the Soul Crystal and try to stage it. Checks for quest enabled, crystal(s) in inventory,
* required usage of crystal, mob's ability to level crystal and mob vs player level gap.
*
* @param player : The player to make checks on.
* @param mob : The mob to make checks on.
* @param npcInfo : The mob's leveling informations.
* @param chance : Input variable used to determine keep/stage/break of the crystal.
* @return Returns true only, when crystal is staged or broken (aka any type of crystal change is
* made), else returns false.
*/
private void tryToStageCrystal(
L2PcInstance player, L2Attackable mob, LevelingInfo npcInfo, int chance) {
SoulCrystalData crystalData = null;
ItemInstance crystalItem = null;
// Iterate through player's inventory to find crystal(s).
for (ItemInstance item : player.getInventory().getItems()) {
SoulCrystalData data = SoulCrystalsTable.getSoulCrystalInfos().get(item.getItemId());
if (data == null) continue;
// More crystals found.
if (crystalData != null) {
// Leveling requires soul crystal being used?
if (npcInfo.skillRequired()) {
// Absorb list contains killer and his AbsorbInfo is registered.
final AbsorbInfo ai = mob.getAbsorbInfo(player.getObjectId());
if (ai != null && ai.isRegistered())
player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_FAILED_RESONATION);
} else player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_FAILED_RESONATION);
return;
}
crystalData = data;
crystalItem = item;
}
// No crystal found, return without any notification.
if (crystalData == null || crystalItem == null) return;
// Leveling requires soul crystal being used?
if (npcInfo.skillRequired()) {
// Absorb list doesn't contain killer or his AbsorbInfo is not registered.
final AbsorbInfo ai = mob.getAbsorbInfo(player.getObjectId());
if (ai == null || !ai.isRegistered()) return;
// Check if Absorb list contains valid crystal and whether it was used properly.
if (!ai.isValid(crystalItem.getObjectId())) {
player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_REFUSED);
return;
}
}
// Check, if npc stages this type of crystal.
if (!npcInfo.isInLevelList(crystalData.getLevel())) {
player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_REFUSED);
return;
}
// Check level difference limitation, dark blue monsters does not stage.
if (player.getLevel() - mob.getLevel() > 8) {
player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_REFUSED);
return;
}
// Lucky, crystal successfully stages.
if (chance < npcInfo.getChanceStage()) exchangeCrystal(player, crystalData, true);
// Bad luck, crystal accidentally breaks.
else if (chance < (npcInfo.getChanceStage() + npcInfo.getChanceBreak()))
exchangeCrystal(player, crystalData, false);
// Bad luck, crystal doesn't stage.
else player.sendPacket(SystemMessageId.SOUL_CRYSTAL_ABSORBING_FAILED);
}