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implemented multi AABB collision checks for fences and walls

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fixes anti-cheat getting triggered when falling down between a square of fences
fixes not being able to shoot arrows between a square of fences
This commit is contained in:
Dylan K. Taylor 2017-10-12 18:33:26 +01:00
parent 3eb73ab468
commit 061a9444cc
2 changed files with 82 additions and 38 deletions
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40
src/pocketmine/block/CobblestoneWall.php
View File

@ -27,7 +27,7 @@ use pocketmine\item\Tool;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Vector3;
class CobblestoneWall extends Transparent{
class CobblestoneWall extends Fence{
const NONE_MOSSY_WALL = 0;
const MOSSY_WALL = 1;
@ -37,10 +37,6 @@ class CobblestoneWall extends Transparent{
$this->meta = $meta;
}
public function isSolid() : bool{
return false;
}
public function getToolType() : int{
return Tool::TYPE_PICKAXE;
}
@ -57,38 +53,8 @@ class CobblestoneWall extends Transparent{
return "Cobblestone Wall";
}
protected function recalculateBoundingBox() : ?AxisAlignedBB{
$north = $this->canConnect($this->getSide(Vector3::SIDE_NORTH));
$south = $this->canConnect($this->getSide(Vector3::SIDE_SOUTH));
$west = $this->canConnect($this->getSide(Vector3::SIDE_WEST));
$east = $this->canConnect($this->getSide(Vector3::SIDE_EAST));
$n = $north ? 0 : 0.25;
$s = $south ? 1 : 0.75;
$w = $west ? 0 : 0.25;
$e = $east ? 1 : 0.75;
if($north and $south and !$west and !$east){
$w = 0.3125;
$e = 0.6875;
}elseif(!$north and !$south and $west and $east){
$n = 0.3125;
$s = 0.6875;
}
return new AxisAlignedBB(
$this->x + $w,
$this->y,
$this->z + $n,
$this->x + $e,
$this->y + 1.5,
$this->z + $s
);
}
public function canConnect(Block $block){
return ($block->getId() !== self::COBBLESTONE_WALL and $block->getId() !== self::FENCE_GATE) ? $block->isSolid() and !$block->isTransparent() : true;
public function getThickness() : float{
return 0.5;
}
}

80
src/pocketmine/block/Fence.php
View File

@ -32,8 +32,12 @@ abstract class Fence extends Transparent{
$this->meta = $meta;
}
public function getThickness() : float{
return 0.25;
}
protected function recalculateBoundingBox() : ?AxisAlignedBB{
$width = 0.375;
$width = 0.5 - $this->getThickness() / 2;
return new AxisAlignedBB(
$this->x + ($this->canConnect($this->getSide(Vector3::SIDE_WEST)) ? 0 : $width),
@ -45,6 +49,80 @@ abstract class Fence extends Transparent{
);
}
protected function recalculateCollisionBoxes() : array{
$inset = 0.5 - $this->getThickness() / 2;
$bbs = [
new AxisAlignedBB( //centre post AABB
$this->x + $inset,
$this->y,
$this->z + $inset,
$this->x + 1 - $inset,
$this->y + 1.5,
$this->z + 1 - $inset
)
];
if($this->canConnect($this->getSide(Vector3::SIDE_WEST))){
//western side connected part from start X to post (negative X)
//
// -#
//
$bbs[] = new AxisAlignedBB(
$this->x,
$this->y,
$this->z + $inset,
$this->x + $inset, //don't overlap with centre post
$this->y + 1.5,
$this->z + 1 - $inset
);
}
if($this->canConnect($this->getSide(Vector3::SIDE_EAST))){
//eastern side connected part from post to end X (positive X)
//
// #-
//
$bbs[] = new AxisAlignedBB(
$this->x + 1 - $inset,
$this->y,
$this->z + $inset,
$this->x + 1,
$this->y + 1.5,
$this->z + 1 - $inset
);
}
if($this->canConnect($this->getSide(Vector3::SIDE_NORTH))){
//northern side connected part from start Z to post (negative Z)
// |
// #
//
$bbs[] = new AxisAlignedBB(
$this->x + $inset,
$this->y,
$this->z,
$this->x + 1 - $inset,
$this->y + 1.5,
$this->z + $inset
);
}
if($this->canConnect($this->getSide(Vector3::SIDE_SOUTH))){
//southern side connected part from post to end Z (positive Z)
//
// #
// |
$bbs[] = new AxisAlignedBB(
$this->x + $inset,
$this->y,
$this->z + 1 - $inset,
$this->x + 1 - $inset,
$this->y + 1.5,
$this->z + 1
);
}
return $bbs;
}
public function canConnect(Block $block){
return $block instanceof static or $block instanceof FenceGate or ($block->isSolid() and !$block->isTransparent());
}