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DrPerkyLegit
251
Minecraft.World/CombatTracker.cpp
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251
Minecraft.World/CombatTracker.cpp
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#include "stdafx.h"
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#include "net.minecraft.world.entity.h"
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#include "net.minecraft.world.level.h"
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#include "net.minecraft.world.level.tile.h"
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#include "net.minecraft.world.phys.h"
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#include "net.minecraft.world.damagesource.h"
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#include "CombatTracker.h"
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CombatTracker::CombatTracker(LivingEntity *mob)
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{
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this->mob = mob;
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}
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CombatTracker::~CombatTracker()
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{
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for ( auto& it : entries )
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{
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delete it;
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}
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}
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void CombatTracker::prepareForDamage()
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{
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resetPreparedStatus();
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if (mob->onLadder())
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{
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int type = mob->level->getTile(Mth::floor(mob->x), Mth::floor(mob->bb->y0), Mth::floor(mob->z));
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if (type == Tile::ladder->id)
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{
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nextLocation = eLocation_LADDER;
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}
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else if (type == Tile::vine->id)
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{
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nextLocation = eLocation_VINES;
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}
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}
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else if (mob->isInWater())
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{
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nextLocation = eLocation_WATER;
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}
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}
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void CombatTracker::recordDamage(DamageSource *source, float health, float damage)
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{
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recheckStatus();
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prepareForDamage();
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CombatEntry *entry = new CombatEntry(source, mob->tickCount, health, damage, nextLocation, mob->fallDistance);
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entries.push_back(entry);
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lastDamageTime = mob->tickCount;
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takingDamage = true;
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inCombat |= entry->isCombatRelated();
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}
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shared_ptr<ChatPacket> CombatTracker::getDeathMessagePacket()
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{
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if (entries.size() == 0) return std::make_shared<ChatPacket>(mob->getNetworkName());
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CombatEntry *knockOffEntry = getMostSignificantFall();
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CombatEntry *killingBlow = entries[entries.size() - 1];
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shared_ptr<ChatPacket> result;
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shared_ptr<Entity> killingEntity = killingBlow->getSource()->getEntity();
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if (knockOffEntry != nullptr && killingBlow->getSource()->equals(DamageSource::fall))
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{
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shared_ptr<Entity> attackerEntity = knockOffEntry->getSource()->getEntity();
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if (knockOffEntry->getSource()->equals(DamageSource::fall) || knockOffEntry->getSource()->equals(DamageSource::outOfWorld))
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{
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ChatPacket::EChatPacketMessage message;
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switch(getFallLocation(knockOffEntry))
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{
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case eLocation_GENERIC:
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message = ChatPacket::e_ChatDeathFellAccidentGeneric;
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break;
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case eLocation_LADDER:
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message = ChatPacket::e_ChatDeathFellAccidentLadder;
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break;
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case eLocation_VINES:
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message = ChatPacket::e_ChatDeathFellAccidentVines;
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break;
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case eLocation_WATER:
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message = ChatPacket::e_ChatDeathFellAccidentWater;
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break;
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}
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), message);
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}
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else if (attackerEntity != nullptr && (killingEntity == nullptr || attackerEntity != killingEntity))
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{
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shared_ptr<ItemInstance> attackerItem = attackerEntity->instanceof(eTYPE_LIVINGENTITY) ? dynamic_pointer_cast<LivingEntity>(attackerEntity)->getCarriedItem() : nullptr;
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if (attackerItem != nullptr && attackerItem->hasCustomHoverName())
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{
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), ChatPacket::e_ChatDeathFellAssistItem, attackerEntity->GetType(), attackerEntity->getNetworkName(), attackerItem->getHoverName());
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}
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else
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{
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), ChatPacket::e_ChatDeathFellAssist, attackerEntity->GetType(), attackerEntity->getNetworkName());
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}
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}
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else if (killingEntity != nullptr)
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{
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shared_ptr<ItemInstance> killerItem = killingEntity->instanceof(eTYPE_LIVINGENTITY) ? dynamic_pointer_cast<LivingEntity>(killingEntity)->getCarriedItem() : nullptr;
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if (killerItem != nullptr && killerItem->hasCustomHoverName())
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{
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), ChatPacket::e_ChatDeathFellFinishItem, killingEntity->GetType(), killingEntity->getNetworkName(), killerItem->getHoverName());
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}
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else
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{
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), ChatPacket::e_ChatDeathFellFinish, killingEntity->GetType(), killingEntity->getNetworkName());
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}
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}
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else
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{
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result = std::make_shared<ChatPacket>(mob->getNetworkName(), ChatPacket::e_ChatDeathFellKiller);
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}
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}
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else
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{
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result = killingBlow->getSource()->getDeathMessagePacket(dynamic_pointer_cast<LivingEntity>(mob->shared_from_this()));
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}
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return result;
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}
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shared_ptr<LivingEntity> CombatTracker::getKiller()
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{
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shared_ptr<LivingEntity> bestMob = nullptr;
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shared_ptr<Player> bestPlayer = nullptr;
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float bestMobDamage = 0;
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float bestPlayerDamage = 0;
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for ( CombatEntry *entry : entries )
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{
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if ( entry->getSource() != nullptr && entry->getSource()->getEntity() != nullptr && entry->getSource()->getEntity()->instanceof(eTYPE_PLAYER) && (bestPlayer == nullptr || entry->getDamage() > bestPlayerDamage))
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{
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bestPlayerDamage = entry->getDamage();
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bestPlayer = dynamic_pointer_cast<Player>(entry->getSource()->getEntity());
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}
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if ( entry->getSource() != nullptr && entry->getSource()->getEntity() != nullptr && entry->getSource()->getEntity()->instanceof(eTYPE_LIVINGENTITY) && (bestMob == nullptr || entry->getDamage() > bestMobDamage))
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{
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bestMobDamage = entry->getDamage();
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bestMob = dynamic_pointer_cast<LivingEntity>(entry->getSource()->getEntity());
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}
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}
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if (bestPlayer != nullptr && bestPlayerDamage >= bestMobDamage / 3)
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{
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return bestPlayer;
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}
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else
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{
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return bestMob;
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}
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}
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CombatEntry *CombatTracker::getMostSignificantFall()
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{
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CombatEntry *result = nullptr;
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CombatEntry *alternative = nullptr;
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int altDamage = 0;
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float bestFall = 0;
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for (size_t i = 0; i < entries.size(); i++)
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{
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CombatEntry *entry = entries.at(i);
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CombatEntry *previous = i > 0 ? entries.at(i - 1) : nullptr;
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bool isFall = entry->getSource()->equals(DamageSource::fall);
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bool isOutOfWorld = entry->getSource()->equals(DamageSource::outOfWorld);
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if ((isFall || isOutOfWorld) && (entry->getFallDistance() > 0) && (result == nullptr || entry->getFallDistance() > bestFall))
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{
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if (i > 0)
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{
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result = previous;
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}
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else
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{
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result = entry;
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}
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bestFall = entry->getFallDistance();
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}
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if (entry->getLocation() != eLocation_GENERIC && (alternative == nullptr || entry->getDamage() > altDamage))
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{
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alternative = entry;
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}
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}
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if (bestFall > 5 && result != nullptr)
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{
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return result;
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}
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else if (altDamage > 5 && alternative != nullptr)
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{
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return alternative;
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}
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else
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{
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return nullptr;
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}
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}
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CombatTracker::eLOCATION CombatTracker::getFallLocation(CombatEntry *entry)
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{
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return entry->getLocation();
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}
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bool CombatTracker::isTakingDamage()
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{
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recheckStatus();
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return takingDamage;
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}
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bool CombatTracker::isInCombat()
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{
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recheckStatus();
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return inCombat;
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}
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void CombatTracker::resetPreparedStatus()
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{
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nextLocation = eLocation_GENERIC;
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}
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void CombatTracker::recheckStatus()
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{
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int reset = inCombat ? RESET_COMBAT_STATUS_TIME : RESET_DAMAGE_STATUS_TIME;
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if (takingDamage && mob->tickCount - lastDamageTime > reset)
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{
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for ( auto& it : entries )
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{
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delete it;
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}
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entries.clear();
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takingDamage = false;
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inCombat = false;
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}
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}
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