void AiSequence::stack (const AiPackage& package, const MWWorld::Ptr& actor, bool cancelOther)
{
if (actor == getPlayer())
throw std::runtime_error("Can't add AI packages to player");
// Stop combat when a non-combat AI package is added
if (isActualAiPackage(package.getTypeId()))
stopCombat();
// We should return a wandering actor back after combat, casting or pursuit.
// The same thing for actors without AI packages.
// Also there is no point to stack return packages.
int currentTypeId = getTypeId();
int newTypeId = package.getTypeId();
if (currentTypeId <= MWMechanics::AiPackage::TypeIdWander
&& !hasPackage(MWMechanics::AiPackage::TypeIdInternalTravel)
&& (newTypeId <= MWMechanics::AiPackage::TypeIdCombat
|| newTypeId == MWMechanics::AiPackage::TypeIdPursue
|| newTypeId == MWMechanics::AiPackage::TypeIdCast))
{
osg::Vec3f dest;
if (currentTypeId == MWMechanics::AiPackage::TypeIdWander)
{
AiPackage* activePackage = getActivePackage();
dest = activePackage->getDestination(actor);
}
else
{
dest = actor.getRefData().getPosition().asVec3();
}
MWMechanics::AiTravel travelPackage(dest.x(), dest.y(), dest.z(), true);
stack(travelPackage, actor, false);
}
// remove previous packages if required
if (cancelOther && package.shouldCancelPreviousAi())
{
for(std::list<AiPackage *>::iterator it = mPackages.begin(); it != mPackages.end();)
{
if((*it)->canCancel())
{
delete *it;
it = mPackages.erase(it);
}
else
++it;
}
mRepeat=false;
}
// insert new package in correct place depending on priority
for(std::list<AiPackage *>::iterator it = mPackages.begin(); it != mPackages.end(); ++it)
{
// We should keep current AiCast package, if we try to add a new one.
if ((*it)->getTypeId() == MWMechanics::AiPackage::TypeIdCast &&
package.getTypeId() == MWMechanics::AiPackage::TypeIdCast)
{
continue;
}
if((*it)->getPriority() <= package.getPriority())
{
mPackages.insert(it,package.clone());
return;
}
}
mPackages.push_back (package.clone());
// Make sure that temporary storage is empty
if (cancelOther)
{
mAiState.moveIn(new AiCombatStorage());
mAiState.moveIn(new AiFollowStorage());
mAiState.moveIn(new AiWanderStorage());
}
}
