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#include "TargetKey.h"
#include "TargetManager.h"
#include "TargetKeyCollection.h"
namespace entity {
TargetKey::TargetKey(TargetKeyCollection& owner) :
_owner(owner)
{}
void TargetKey::onTargetManagerChanged()
{
ITargetManager* manager = _owner.getTargetManager();
if (manager == nullptr)
{
_positionChangedSignal.disconnect();
_target.reset();
return;
}
_target = std::static_pointer_cast<Target>(manager->getTarget(_curValue));
assert(_target);
_target->signal_TargetChanged().connect(sigc::mem_fun(this, &TargetKey::onTargetPositionChanged));
}
const TargetPtr& TargetKey::getTarget() const
{
return _target;
}
void TargetKey::attachToKeyValue(EntityKeyValue& value)
{
// Observe this entity keyvalue
value.attach(*this);
}
void TargetKey::detachFromKeyValue(EntityKeyValue& value)
{
// Stop observing this KeyValue
value.detach(*this);
}
void TargetKey::onKeyValueChanged(const std::string& newValue)
{
_curValue = newValue;
ITargetManager* targetManager = _owner.getTargetManager();
if (targetManager != nullptr)
{
// If we have a target manager, acquire the Target right away
// Acquire the Target object (will be created if nonexistent)
_positionChangedSignal.disconnect();
_target = std::static_pointer_cast<Target>(targetManager->getTarget(_curValue));
assert(_target);
_target->signal_TargetChanged().connect(sigc::mem_fun(this, &TargetKey::onTargetPositionChanged));
}
}
void TargetKey::onTargetPositionChanged()
{
_owner.onTargetPositionChanged();
}
} // namespace entity
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