NaturesAura/src/main/java/de/ellpeck/naturesaura/blocks/BlockChunkLoader.java

package de.ellpeck.naturesaura.blocks;

import de.ellpeck.naturesaura.api.NaturesAuraAPI;
import de.ellpeck.naturesaura.api.render.IVisualizable;
import de.ellpeck.naturesaura.blocks.tiles.TileEntityChunkLoader;
import net.minecraft.block.BlockState;
import net.minecraft.block.SoundType;
import net.minecraft.block.material.Material;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.shapes.ISelectionContext;
import net.minecraft.util.math.shapes.VoxelShape;
import net.minecraft.world.IBlockReader;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

import java.util.Random;

public class BlockChunkLoader extends BlockContainerImpl implements IVisualizable {

    private static final VoxelShape SHAPE = makeCuboidShape(4, 4, 4, 12, 12, 12);

    public BlockChunkLoader() {
        super("chunk_loader", TileEntityChunkLoader::new, ModBlocks.prop(Material.ROCK).hardnessAndResistance(3F).sound(SoundType.STONE));
    }

    @Override
    @OnlyIn(Dist.CLIENT)
    public AxisAlignedBB getVisualizationBounds(World world, BlockPos pos) {
        TileEntity tile = world.getTileEntity(pos);
        if (tile instanceof TileEntityChunkLoader) {
            int range = ((TileEntityChunkLoader) tile).range();
            if (range > 0) {
                return new AxisAlignedBB(
                        (pos.getX() - range) >> 4 << 4,
                        0,
                        (pos.getZ() - range) >> 4 << 4,
                        ((pos.getX() + range) >> 4 << 4) + 16,
                        world.getHeight(),
                        ((pos.getZ() + range) >> 4 << 4) + 16);
            }
        }
        return null;
    }

    @Override
    @OnlyIn(Dist.CLIENT)
    public void animateTick(BlockState stateIn, World worldIn, BlockPos pos, Random rand) {
        TileEntity tile = worldIn.getTileEntity(pos);
        if (tile instanceof TileEntityChunkLoader) {
            int range = ((TileEntityChunkLoader) tile).range();
            for (int i = MathHelper.ceil(range / 8F); i > 0; i--) {
                NaturesAuraAPI.instance().spawnMagicParticle(
                        pos.getX() + worldIn.rand.nextFloat(), pos.getY() + worldIn.rand.nextFloat(), pos.getZ() + worldIn.rand.nextFloat(),
                        0, 0, 0, 0xa12dff, 1F + worldIn.rand.nextFloat(), 100, 0, false, true);
            }
        }
    }

    @Override
    @OnlyIn(Dist.CLIENT)
    public int getVisualizationColor(World world, BlockPos pos) {
        return 0xc159f9;
    }

    @Override
    public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
        return SHAPE;
    }
    
}