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/*
* Heal.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "Heal.h"
#include "Registry.h"
#include "../ISpellMechanics.h"
#include "../../battle/IBattleState.h"
#include "../../battle/CUnitState.h"
#include "../../battle/CBattleInfoCallback.h"
#include "../../battle/Unit.h"
#include "../../networkPacks/PacksForClientBattle.h"
#include "../../serializer/JsonSerializeFormat.h"
VCMI_LIB_NAMESPACE_BEGIN
namespace spells
{
namespace effects
{
void Heal::apply(ServerCallback * server, const Mechanics * m, const EffectTarget & target) const
{
apply(m->getEffectValue(), server, m, target);
}
void Heal::apply(int64_t value, ServerCallback * server, const Mechanics * m, const EffectTarget & target) const
{
BattleLogMessage logMessage;
logMessage.battleID = m->battle()->getBattle()->getBattleID();
BattleUnitsChanged pack;
pack.battleID = m->battle()->getBattle()->getBattleID();
prepareHealEffect(value, pack, logMessage, *server->getRNG(), m, target);
if(!pack.changedStacks.empty())
server->apply(pack);
if(!logMessage.lines.empty())
server->apply(logMessage);
}
bool Heal::isValidTarget(const Mechanics * m, const battle::Unit * unit) const
{
const bool onlyAlive = healLevel == EHealLevel::HEAL;
const bool validInGenaral = unit->isValidTarget(!onlyAlive);
if(!validInGenaral)
return false;
auto injuries = unit->getTotalHealth() - unit->getAvailableHealth();
if(injuries == 0)
return false;
if(minFullUnits > 0)
{
auto hpGained = std::min(m->getEffectValue(), injuries);
if(hpGained < minFullUnits * unit->getMaxHealth())
return false;
}
if(unit->isDead())
{
//check if alive unit blocks resurrection
for(const BattleHex & hex : unit->getHexes())
{
auto blocking = m->battle()->battleGetUnitsIf([hex, unit](const battle::Unit * other)
{
return other->isValidTarget(false) && other->coversPos(hex) && other != unit;
});
if(!blocking.empty())
return false;
}
}
return true;
}
void Heal::serializeJsonUnitEffect(JsonSerializeFormat & handler)
{
static const std::vector<std::string> HEAL_LEVEL_MAP =
{
"heal",
"resurrect",
"overHeal"
};
static const std::vector<std::string> HEAL_POWER_MAP =
{
"oneBattle",
"permanent"
};
handler.serializeEnum("healLevel", healLevel, EHealLevel::HEAL, HEAL_LEVEL_MAP);
handler.serializeEnum("healPower", healPower, EHealPower::PERMANENT, HEAL_POWER_MAP);
handler.serializeInt("minFullUnits", minFullUnits);
}
void Heal::prepareHealEffect(int64_t value, BattleUnitsChanged & pack, BattleLogMessage & logMessage, RNG & rng, const Mechanics * m, const EffectTarget & target) const
{
for(const auto & oneTarget : target)
{
const battle::Unit * unit = oneTarget.unitValue;
if(unit)
{
auto unitHPgained = m->applySpellBonus(value, unit);
auto state = unit->acquire();
const auto countBeforeHeal = state->getCount();
state->heal(unitHPgained, healLevel, healPower);
if(const auto resurrectedCount = std::max(0, state->getCount() - countBeforeHeal))
{
// %d %s rise from the dead!
// in the table first comes plural string, then the singular one
MetaString resurrectText;
state->addText(resurrectText, EMetaText::GENERAL_TXT, 116, resurrectedCount == 1);
state->addNameReplacement(resurrectText);
resurrectText.replaceNumber(resurrectedCount);
logMessage.lines.push_back(std::move(resurrectText));
}
else if (unitHPgained > 0 && m->caster->getHeroCaster() == nullptr) //Show text about healed HP if healed by unit
{
MetaString healText;
auto casterUnitID = m->caster->getCasterUnitId();
auto casterUnit = m->battle()->battleGetUnitByID(casterUnitID);
healText.appendLocalString(EMetaText::GENERAL_TXT, 414);
casterUnit->addNameReplacement(healText, false);
state->addNameReplacement(healText, false);
healText.replaceNumber((int)unitHPgained);
logMessage.lines.push_back(std::move(healText));
}
if(unitHPgained > 0)
{
UnitChanges info(state->unitId(), UnitChanges::EOperation::RESET_STATE);
info.healthDelta = unitHPgained;
state->save(info.data);
pack.changedStacks.push_back(info);
}
}
}
}
}
}
VCMI_LIB_NAMESPACE_END
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