Implement corner stair BB handling

This commit is contained in:
Dylan K. Taylor 2018-09-24 16:25:17 +01:00
parent 0b989925d7
commit a77e05f875

View File

@ -50,8 +50,6 @@ abstract class Stair extends Transparent{
}
protected function recalculateCollisionBoxes() : array{
//TODO: handle corners
$minYSlab = $this->upsideDown ? 0.5 : 0;
$bbs = [
@ -60,29 +58,55 @@ abstract class Stair extends Transparent{
$minY = $this->upsideDown ? 0 : 0.5;
$minX = $minZ = 0;
$maxX = $maxZ = 1;
$topStep = new AxisAlignedBB(0, $minY, 0, 1, $minY + 0.5, 1);
self::setBoundsForFacing($topStep, $this->facing);
switch($this->facing){
case Facing::EAST:
$minX = 0.5;
break;
case Facing::WEST:
$maxX = 0.5;
break;
case Facing::SOUTH:
$minZ = 0.5;
break;
case Facing::NORTH:
$maxZ = 0.5;
break;
/** @var Stair $corner */
if(($backFacing = $this->getPossibleCornerFacing(false)) !== null){
self::setBoundsForFacing($topStep, $backFacing);
}elseif(($frontFacing = $this->getPossibleCornerFacing(true)) !== null){
//add an extra cube
$extraCube = new AxisAlignedBB(0, $minY, 0, 1, $minY + 0.5, 1);
self::setBoundsForFacing($extraCube, Facing::opposite($this->facing));
self::setBoundsForFacing($extraCube, $frontFacing);
$bbs[] = $extraCube;
}
$bbs[] = new AxisAlignedBB($minX, $minY, $minZ, $maxX, $minY + 0.5, $maxZ);
$bbs[] = $topStep;
return $bbs;
}
private function getPossibleCornerFacing(bool $oppositeFacing) : ?int{
$side = $this->getSide($oppositeFacing ? Facing::opposite($this->facing) : $this->facing);
if($side instanceof Stair and $side->upsideDown === $this->upsideDown and (
$side->facing === Facing::rotate($this->facing, Facing::AXIS_Y, true) or
$side->facing === Facing::rotate($this->facing, Facing::AXIS_Y, false))
){
return $side->facing;
}
return null;
}
private static function setBoundsForFacing(AxisAlignedBB $bb, int $facing) : void{
switch($facing){
case Facing::EAST:
$bb->minX = 0.5;
break;
case Facing::WEST:
$bb->maxX = 0.5;
break;
case Facing::SOUTH:
$bb->minZ = 0.5;
break;
case Facing::NORTH:
$bb->maxZ = 0.5;
break;
default:
throw new \InvalidArgumentException("Facing must be horizontal");
}
}
public function place(Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, Player $player = null) : bool{
if($player !== null){
$this->facing = Bearing::toFacing($player->getDirection());