1.16.5 How to change block hitbox

marinz · August 26, 2021

I've made a block smaller then 16x16 but the bounding box or hitbox(I don't know what it's actually called) is still 16x16 or full cube block. How do I change that. Do I have to make seperate class for that block or can I just do something with this code below.

public class BlockInit{
	
	public static final DeferredRegister<Block> BLOCKS = DeferredRegister.create(ForgeRegistries.BLOCKS, asmMain.MODID);

	public static final RegistryObject<Block> ROCK = BLOCKS.register("rock",
			() -> new Block(AbstractBlock.Properties.of(Material.STONE, MaterialColor.COLOR_GRAY).speedFactor(0.3f)
					.friction(0.5f).harvestLevel(1).sound(SoundType.STONE).noOcclusion()));

}

Luis_ST · August 26, 2021

you need a separate class, take a look at vanilla Blocks (BrewingStandBlock) how they create the VoxelShape

marinz · August 27, 2021

I did it and it works but there is another question. My block is rock, I have 1 model for it and I did the facing, but I would like to add more variants(few more models so when I click with rock item on ground it puts a random model) with facing and that to spawn in every biome.

marinz · August 27, 2021

How do I do that?

marinz · August 27, 2021

I can't find it

marinz · August 27, 2021

I am using eclipse, I tried every search option and open type and got nothing. Is there any other way to search I am not that familiar with that.

marinz · August 27, 2021

Is this what you are talking about?

{
  "variants": {
    "": [
      {
        "model": "minecraft:block/stone"
      },
      {
        "model": "minecraft:block/stone_mirrored"
      },
      {
        "model": "minecraft:block/stone",
        "y": 180
      },
      {
        "model": "minecraft:block/stone_mirrored",
        "y": 180
      }
    ]
  }
}

marinz · August 27, 2021

First how sould I do different models all with different facing but with one item

marinz · August 27, 2021

So if I just do this it should work:

{
     "variants": {
          "facing=north": {"model": "asm:block/rock1"},
          "facing=east": {"model": "asm:block/rock1", "y": 90},
          "facing=south": {"model": "asm:block/rock1", "y": 180},
          "facing=west": {"model": "asm:block/rock1", "y": 270},
   		  "facing=north": {"model": "asm:block/rock2"},
          "facing=east": {"model": "asm:block/rock2", "y": 90},
          "facing=south": {"model": "asm:block/rock2", "y": 180},
          "facing=west": {"model": "asm:block/rock2", "y": 270}
     }
}

marinz · August 27, 2021

Now it just places the second model not the first one and is there a way to have seperated hit boxes cuz second model is not the same as the first one

marinz · August 27, 2021

Thats what I had in mind to get random variant from those two

marinz · August 27, 2021

But how do I do that

marinz · August 27, 2021

Randomly placing different variants of rock. This is my rock block class

package com.tzs.asm.blocks;

import java.util.stream.Stream;

import net.minecraft.block.AbstractBlock;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.SoundType;
import net.minecraft.block.material.Material;
import net.minecraft.block.material.MaterialColor;
import net.minecraft.item.BlockItemUseContext;
import net.minecraft.state.DirectionProperty;
import net.minecraft.state.StateContainer.Builder;
import net.minecraft.state.properties.BlockStateProperties;
import net.minecraft.util.Direction;
import net.minecraft.util.Mirror;
import net.minecraft.util.Rotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.shapes.IBooleanFunction;
import net.minecraft.util.math.shapes.ISelectionContext;
import net.minecraft.util.math.shapes.VoxelShape;
import net.minecraft.util.math.shapes.VoxelShapes;
import net.minecraft.world.IBlockReader;
import net.minecraft.world.IWorld;

public class rockBlock extends Block {
	
	public static final DirectionProperty FACING = BlockStateProperties.HORIZONTAL_FACING;
	
	
	
	public rockBlock() {
		super(AbstractBlock.Properties.of(Material.STONE, MaterialColor.COLOR_GRAY).speedFactor(0.3f)
				.friction(0.5f).harvestLevel(1).sound(SoundType.STONE).noOcclusion());
		
		this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH));
	}
	
	@SuppressWarnings("deprecation")
	@Override
	public BlockState mirror(BlockState state, Mirror mirrorIn) {
		return state.rotate(mirrorIn.getRotation(state.getValue(FACING)));
	}
	
	@Override
	public BlockState rotate(BlockState state, IWorld world, BlockPos pos, Rotation direction) {
		return state.setValue(FACING, direction.rotate(state.getValue(FACING)));
	}
	
	@Override
	public BlockState getStateForPlacement(BlockItemUseContext context) {
		return this.defaultBlockState().setValue(FACING, context.getHorizontalDirection().getOpposite());
	}
	
	@Override
	protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
		super.createBlockStateDefinition(builder);
		builder.add(FACING);
	}
	
	private static final VoxelShape rockN = Stream.of(
			Block.box(8.450000000000001, 0, 5.275, 9.450000000000001, 0.40000000000000036, 5.975),
			Block.box(6.850000000000001, 0, 5.975, 9.850000000000001, 1, 10.975),
			Block.box(5.850000000000001, 0, 8.575, 6.850000000000001, 0.40000000000000036, 10.674999999999999),
			Block.box(7.350000000000001, 0, 6.775, 9.350000000000001, 0.40000000000000036, 9.775)
			).reduce((v1, v2) -> VoxelShapes.join(v1, v2, IBooleanFunction.OR)).get();
	
	private static final VoxelShape rockE = Stream.of(
			Block.box(10.025000000000002, 0, 8.45, 10.725000000000001, 0.40000000000000036, 9.45),
			Block.box(5.025000000000002, 0, 6.85, 10.025000000000002, 1, 9.85),
			Block.box(5.325000000000003, 0, 5.85, 7.4250000000000025, 0.40000000000000036, 6.85),
			Block.box(6.225000000000001, 0, 7.35, 9.225000000000001, 0.40000000000000036, 9.35)
			).reduce((v1, v2) -> VoxelShapes.join(v1, v2, IBooleanFunction.OR)).get();
	
	private static final VoxelShape rockS = Stream.of(
			Block.box(6.5500000000000025, 0, 10.025, 7.5500000000000025, 0.40000000000000036, 10.725),
			Block.box(6.150000000000002, 0, 5.025, 9.150000000000002, 1, 10.025),
			Block.box(9.150000000000002, 0, 5.325000000000001, 10.150000000000002, 0.40000000000000036, 7.425000000000001),
			Block.box(6.650000000000002, 0, 6.225, 8.650000000000002, 0.40000000000000036, 9.225)
			).reduce((v1, v2) -> VoxelShapes.join(v1, v2, IBooleanFunction.OR)).get();
	
	private static final VoxelShape rockW = Stream.of(
			Block.box(5.275000000000002, 0, 6.550000000000001, 5.975000000000001, 0.40000000000000036, 7.550000000000001),
			Block.box(5.975000000000001, 0, 6.15, 10.975000000000001, 1, 9.15),
			Block.box(8.575000000000001, 0, 9.15, 10.675, 0.40000000000000036, 10.15),
			Block.box(6.775000000000002, 0, 6.65, 9.775000000000002, 0.40000000000000036, 8.65)
			).reduce((v1, v2) -> VoxelShapes.join(v1, v2, IBooleanFunction.OR)).get();

	@Override
	public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
	    switch(state.getValue(FACING)) {
		case EAST:
			return rockE;
		case SOUTH:
			return rockS;
		case WEST:
			return rockW;
		default:
			return rockN;
	    }
	}
}

marinz · August 27, 2021

Soo to use VariantPropertyBuilder or?

marinz · August 27, 2021

Then I don't know how to even start

marinz · August 27, 2021

yeah I get that but what to use exept

8 minutes ago, diesieben07 said:

DirectionProperty FACING = BlockStateProperties.HORIZONTAL_FACING;

marinz · August 27, 2021

Does that mean I have to make class for that property too? Is this good?

public static final VariantProperty VARIANT = new VariantProperty();

marinz · August 27, 2021

1 minute ago, marinz said:

public static final VariantProperty VARIANT = new VariantProperty();

So this is good? What do I do next

marinz · August 27, 2021

What does that mean?

marinz · August 27, 2021

Where do I even find that I new to this I don't get the most of this

marinz · August 27, 2021

I don't know... I am sorry I'm trying to figure it out but It's not going anywhere

marinz · August 27, 2021

Yes I see that

marinz · August 27, 2021

I am trying but still nothing.

marinz · August 27, 2021

Is this something?

public static final	VariantProperty VARIANT = VariantProperty.valueOf("variant");

marinz · August 27, 2021

I don't know what vanilla class to use

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1.16.5 How to change block hitbox

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