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

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