/**
* Determine if the job can be accomodated before the fixed job, without
* stalling the fixed job.
* @param Job $job
* @param Job $fixedJob
* @return bool
*/
public function canAccommodate($job, $fixedJob)
{
if ($this->debug || Hatcheries::$debug) {
tracemsg("Timeline::canAccommodate(" . $job . ", " . $fixedJob . ")");
}
// only jobs that could clash
if ($job->larvaCost() == 0 && $job->energyCost() == 0 && $job->queueTypesExpended() === null) {
return true;
}
if ($fixedJob->larvaCost() == 0 && $fixedJob->energyCost() == 0 && $fixedJob->queueTypesExpended() === null) {
return true;
}
// remember previous queues & spellcasters state
$holdHatcheries = $this->hatcheries;
$holdQueues = $this->queues;
$holdSpellcasters = $this->spellcasters;
$this->hatcheries = clone $this->hatcheries;
$this->queues = clone $this->queues;
$this->spellcasters = clone $this->spellcasters;
// can we use larvae without delaying fixed job?
if ($job->larvaCost() > 0) {
$this->hatcheries->expend($job->timeStarted, $job->larvaCost(), $job->tagsRequired);
}
if ($fixedJob->larvaCost() > 0) {
$larvaeAvailable = $this->hatcheries->when($fixedJob->larvaCost(), $fixedJob->tagsRequired);
} else {
$larvaeAvailable = -INF;
}
// can we use production queues without delaying fixed job?
$this->queue($job, $job->timeStarted, true);
list($queueTypesExpended, $expendAll) = $job->queueTypesExpended();
if ($queueTypesExpended !== null) {
list($queuesAvailable, $unused) = $this->queues->when($queueTypesExpended, $expendAll, $fixedJob->tagsRequired);
} else {
$queuesAvailable = -INF;
}
// can we use spellcaster without delaying fixed job?
if ($job->energyCost() > 0) {
$this->spellcasters->update($job->timeStarted);
$this->spellcasters->expend($job->spellcasterTypeExpended(), $job->energyCost(), $job->timeStarted, $job->tagsRequired);
}
if ($fixedJob->energyCost() > 0) {
$spellcasterAvailable = $this->spellcasters->when($fixedJob->spellcasterTypeExpended(), $fixedJob->energyCost(), $fixedJob->tagsRequired);
} else {
$spellcasterAvailable = -INF;
}
// reinstate remembered queues & spellcasters state
$this->hatcheries = $holdHatcheries;
$this->queues = $holdQueues;
$this->spellcasters = $holdSpellcasters;
return $larvaeAvailable <= $fixedJob->timeStarted && $queuesAvailable <= $fixedJob->timeStarted && $spellcasterAvailable <= $fixedJob->timeStarted;
}
