42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
package com.hypherionmc.craterlib.util;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.world.phys.shapes.Shapes;
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import net.minecraft.world.phys.shapes.VoxelShape;
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/**
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* @author HypherionSA
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* Utility class to handle various mathematical functions
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*/
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public class MathUtils {
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public static VoxelShape rotateShape(Direction from, Direction to, VoxelShape shape) {
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VoxelShape[] buffer = new VoxelShape[]{shape, Shapes.empty()};
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int times = (to.ordinal() - from.ordinal() + 4) % 4;
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for (int i = 0; i < times; i++) {
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buffer[0].forAllBoxes((minX, minY, minZ, maxX, maxY, maxZ) -> buffer[1] = Shapes.or(buffer[1], Shapes.box(1 - maxZ, minY, minX, 1 - minZ, maxY, maxX)));
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buffer[0] = buffer[1];
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buffer[1] = Shapes.empty();
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}
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return buffer[0];
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}
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public static void writeBlockPosToNBT(BlockPos pos, CompoundTag tag) {
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tag.putInt("block_x", pos.getX());
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tag.putInt("block_y", pos.getY());
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tag.putInt("block_z", pos.getZ());
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}
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public static BlockPos readBlockPosFromNBT(CompoundTag tag) {
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int x, y, z;
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x = tag.getInt("block_x");
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y = tag.getInt("block_y");
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z = tag.getInt("block_z");
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return new BlockPos(x, y, z);
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}
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}
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