package net.minecraftforge.common.util;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.world.ChunkCoordIntPair;
// Sorter to load nearby chunks first
public class ChunkCoordComparator implements java.util.Comparator<ChunkCoordIntPair>
{
private int x;
private int z;
public ChunkCoordComparator(EntityPlayerMP entityplayer)
{
x = (int) entityplayer.posX >> 4;
z = (int) entityplayer.posZ >> 4;
}
public int compare(ChunkCoordIntPair a, ChunkCoordIntPair b)
{
if (a.equals(b))
{
return 0;
}
// Subtract current position to set center point
int ax = a.chunkXPos - this.x;
int az = a.chunkZPos - this.z;
int bx = b.chunkXPos - this.x;
int bz = b.chunkZPos - this.z;
int result = ((ax - bx) * (ax + bx)) + ((az - bz) * (az + bz));
if (result != 0)
{
return result;
}
if (ax < 0)
{
if (bx < 0)
{
return bz - az;
}
else
{
return -1;
}
}
else
{
if (bx < 0)
{
return 1;
}
else
{
return az - bz;
}
}
}
}