dd9b1f0c65
Created NewLinkData and replaced references to the original LinkData. Moved it to the mod_pocketDim.core package. Added Point4D, an immutable point type for 3D integer coordinates with an added dimension ID.
89 lines
2.3 KiB
Java
89 lines
2.3 KiB
Java
package StevenDimDoors.mod_pocketDim.helpers;
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import StevenDimDoors.mod_pocketDim.core.NewLinkData;
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import net.minecraft.block.Block;
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import net.minecraft.block.material.Material;
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import net.minecraft.world.World;
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import net.minecraft.world.chunk.Chunk;
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public class yCoordHelper
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{
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private static final int MAXIMUM_UNCOVERED_Y = 245;
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public static int getFirstUncovered(NewLinkData pointerLink)
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{
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return yCoordHelper.getFirstUncovered(
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pointerLink.destDimID,
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pointerLink.destXCoord,
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pointerLink.destYCoord,
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pointerLink.destZCoord);
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}
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public static int getFirstUncovered(int worldID, int x, int yStart, int z)
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{ return getFirstUncovered(worldID, x, yStart, z, false); }
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public static int getFirstUncovered(int worldID, int x, int yStart, int z, boolean fromTop)
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{
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if (dimHelper.getWorld(worldID) == null ||
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dimHelper.getWorld(worldID).provider == null)
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{
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dimHelper.initDimension(worldID);
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}
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return yCoordHelper.getFirstUncovered(dimHelper.getWorld(worldID), x, yStart, z, fromTop);
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}
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public static int getFirstUncovered(World world, int x, int yStart, int z)
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{ return getFirstUncovered(world, x, yStart, z, false); }
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public static int getFirstUncovered(World world, int x, int yStart, int z, boolean fromTop)
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{
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Chunk chunk = world.getChunkProvider().loadChunk(x >> 4, z >> 4);
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int localX = x < 0 ? (x % 16) + 16 : (x % 16);
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int localZ = z < 0 ? (z % 16) + 16 : (z % 16);
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int height = MAXIMUM_UNCOVERED_Y; //world.getHeight();
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int y;
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if(!fromTop)
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{
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boolean covered = true;
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for (y = yStart; y < height && covered; y++)
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{
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covered = IsCoveredBlock(chunk, localX, y - 1, localZ) || IsCoveredBlock(chunk, localX, y, localZ);
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}
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} else {
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boolean covered = false;
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for (y = MAXIMUM_UNCOVERED_Y; y > 1 && !covered; y--)
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{
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covered = IsCoveredBlock(chunk, localX, y - 1, localZ);
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}
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if (!covered) y = 63;
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y++;
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}
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return y;
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}
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public static boolean IsCoveredBlock(Chunk chunk, int localX, int y, int localZ)
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{
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int blockID;
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Block block;
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Material material;
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if (y < 0)
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return false;
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blockID = chunk.getBlockID(localX, y, localZ);
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if (blockID == 0)
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return false;
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block = Block.blocksList[blockID];
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if (block == null)
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return false;
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material = block.blockMaterial;
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return (material.isLiquid() || !material.isReplaceable());
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}
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}
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