/**
* Checks for blocks below and above the entity.
*
* @param origin The origin position of the entity
* @return True if a vertical collision was detected
*/
private boolean verticalHitTest(Vector3d origin) {
ArrayList<BlockPosition> blockPositions = gatherAdjacentBlockPositions(origin);
for (int i = 0; i < blockPositions.size(); i++) {
BlockPosition p = blockPositions.get(i);
byte blockType1 = _parent.getWorldProvider().getBlockAtPosition(new Vector3d(p.x, p.y, p.z));
AABB entityAABB = getAABB();
if (BlockManager.getInstance().getBlock(blockType1).isPenetrable()
|| !entityAABB.overlaps(Block.AABBForBlockAt(p.x, p.y, p.z))) continue;
double direction = origin.y - getPosition().y;
if (direction >= 0) getPosition().y = p.y + 0.50001f + entityAABB.getDimensions().y;
else getPosition().y = p.y - 0.50001f - entityAABB.getDimensions().y;
return true;
}
return false;
}
