DimDoors/StevenDimDoors/mod_pocketDim/helpers/yCoordHelper.java

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package StevenDimDoors.mod_pocketDim.helpers;
import StevenDimDoors.mod_pocketDim.LinkData;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
public class yCoordHelper
{
private static final int MAXIMUM_UNCOVERED_Y = 245;
public static int getFirstUncovered(LinkData pointerLink)
{
return yCoordHelper.getFirstUncovered(
pointerLink.destDimID,
pointerLink.destXCoord,
pointerLink.destYCoord,
pointerLink.destZCoord);
}
public static int getFirstUncovered(int worldID, int x, int yStart, int z)
{
if (dimHelper.getWorld(worldID) == null ||
dimHelper.getWorld(worldID).provider == null)
{
dimHelper.initDimension(worldID);
}
return yCoordHelper.getFirstUncovered(dimHelper.getWorld(worldID), x, yStart, z);
}
public static int getFirstUncovered(World world, int x, int yStart, int z)
{
Chunk chunk = world.getChunkProvider().loadChunk(x >> 4, z >> 4);
int localX = x < 0 ? (x % 16) + 16 : (x % 16);
int localZ = z < 0 ? (z % 16) + 16 : (z % 16);
int height = MAXIMUM_UNCOVERED_Y; //world.getHeight();
int y;
boolean covered = true;
for (y = yStart; y < height && covered; y++)
{
covered = IsCoveredBlock(chunk, localX, y - 1, localZ) || IsCoveredBlock(chunk, localX, y, localZ);
}
return y;
}
public static boolean IsCoveredBlock(Chunk chunk, int localX, int y, int localZ)
{
int blockID;
Block block;
Material material;
if (y < 0)
return false;
blockID = chunk.getBlockID(localX, y, localZ);
if (blockID == 0)
return false;
block = Block.blocksList[blockID];
if (block == null)
return false;
material = block.blockMaterial;
return (!material.isLiquid() && !material.isReplaceable());
}
}