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RangedManager.cpp
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RangedManager.cpp
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#include "RangedManager.h"
#include "Util.h"
#include "YoAgent.h"
RangedManager::RangedManager(YoAgent & bot)
: MicroManager(bot)
{
}
void RangedManager::executeMicro(const std::vector<const sc2::Unit *> & targets)
{
assignTargets(targets);
}
void RangedManager::assignTargets(const std::vector<const sc2::Unit *> & targets)
{
const std::vector<const sc2::Unit *> & rangedUnits = getUnits();
// figure out targets
std::vector<const sc2::Unit *> rangedUnitTargets;
for (auto target : targets)
{
if (!target) { continue; }
if (target->unit_type == sc2::UNIT_TYPEID::ZERG_EGG) { continue; }
if (target->unit_type == sc2::UNIT_TYPEID::ZERG_LARVA) { continue; }
rangedUnitTargets.push_back(target);
}
// for each meleeUnit
for (auto rangedUnit : rangedUnits)
{
//BOT_ASSERT(rangedUnit, "ranged unit is null");
// if the order is to attack or defend
if (order.getType() == SquadOrderTypes::Attack || order.getType() == SquadOrderTypes::Defend)
{
if (!rangedUnitTargets.empty())
{
// find the best target for this meleeUnit
const sc2::Unit * target = getTarget(rangedUnit, rangedUnitTargets);
// attack it
//if (m_bot.Config().KiteWithRangedUnits)
//Only Kite if we've lost shields completely
if (rangedUnit->health < rangedUnit->health_max && rangedUnit->shield < 5) Micro::SmartKiteTarget(rangedUnit, target, m_bot);
else Micro::SmartAttackUnit(rangedUnit, target, m_bot);
}
// if there are no targets
else
{
// if we're not near the order position
if (Util::Dist(rangedUnit->pos, order.getPosition()) > 4)
{
// move to it
Micro::SmartMove(rangedUnit, order.getPosition(), m_bot);
}
}
}
//if (m_bot.Config().DrawUnitTargetInfo) { // TODO: draw the line to the unit's target }
}
}
// get a target for the ranged unit to attack
// TODO: this is the melee targeting code, replace it with something better for ranged units
const sc2::Unit * RangedManager::getTarget(const sc2::Unit * rangedUnit, const std::vector<const sc2::Unit *> & targets)
{
//BOT_ASSERT(rangedUnit, "null melee unit in getTarget");
int highPriority = 0;
double closestDist = std::numeric_limits<double>::max();
const sc2::Unit * closestTarget = nullptr;
// for each target possiblity
for (auto targetUnit : targets)
{
//BOT_ASSERT(targetUnit, "null target unit in getTarget");
int priority = getAttackPriority(rangedUnit, targetUnit);
float distance = Util::Dist(rangedUnit->pos, targetUnit->pos);
// if it's a higher priority, or it's closer, set it
if (!closestTarget || (priority > highPriority) || (priority == highPriority && distance < closestDist))
{
closestDist = distance;
highPriority = priority;
closestTarget = targetUnit;
}
}
return closestTarget;
}
// get the attack priority of a type in relation to a zergling
int RangedManager::getAttackPriority(const sc2::Unit * attacker, const sc2::Unit * unit)
{
//BOT_ASSERT(unit, "null unit in getAttackPriority");
if (Util::IsCombatUnit(unit, m_bot))
{
return 10;
}
if (Util::IsWorker(unit))
{
return 9;
}
return 1;
}