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Oh, OK! I will go and watch turtywurty. Thanks for your help!

OK, I found it. Sorry if im being dumb here, but I always made my blocks like this: (This if from one of my old mods) public class RubyBlock extends Block { public RubyBlock() { super(Block.Properties.create(Material.IRON) .hardnessAndResistance(5.0f, 6.0f) .sound(SoundType.METAL) .harvestLevel(2) .harvestTool(ToolType.PICKAXE) ); } } And here is the code from TNTBlock.java: public class TNTBlock extends Block { public static final BooleanProperty UNSTABLE = BlockStateProperties.UNSTABLE; public TNTBlock(Block.Properties properties) { super(properties); this.setDefaultState(this.getDefaultState().with(UNSTABLE, Boolean.valueOf(false))); } public void catchFire(BlockState state, World world, BlockPos pos, @Nullable net.minecraft.util.Direction face, @Nullable LivingEntity igniter) { explode(world, pos, igniter); } public void onBlockAdded(BlockState state, World worldIn, BlockPos pos, BlockState oldState, boolean isMoving) { if (oldState.getBlock() != state.getBlock()) { if (worldIn.isBlockPowered(pos)) { catchFire(state, worldIn, pos, null, null); worldIn.removeBlock(pos, false); } } } public void neighborChanged(BlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos, boolean isMoving) { if (worldIn.isBlockPowered(pos)) { catchFire(state, worldIn, pos, null, null); worldIn.removeBlock(pos, false); } } /** * Called before the Block is set to air in the world. Called regardless of if the player's tool can actually collect * this block */ public void onBlockHarvested(World worldIn, BlockPos pos, BlockState state, PlayerEntity player) { if (!worldIn.isRemote() && !player.isCreative() && state.get(UNSTABLE)) { catchFire(state, worldIn, pos, null, null); } super.onBlockHarvested(worldIn, pos, state, player); } /** * Called when this Block is destroyed by an Explosion */ public void onExplosionDestroy(World worldIn, BlockPos pos, Explosion explosionIn) { if (!worldIn.isRemote) { TNTEntity tntentity = new TNTEntity(worldIn, (double)((float)pos.getX() + 0.5F), (double)pos.getY(), (double)((float)pos.getZ() + 0.5F), explosionIn.getExplosivePlacedBy()); tntentity.setFuse((short)(worldIn.rand.nextInt(tntentity.getFuse() / 4) + tntentity.getFuse() / 8)); worldIn.addEntity(tntentity); } } @Deprecated //Forge: Prefer using IForgeBlock#catchFire public static void explode(World p_196534_0_, BlockPos worldIn) { explode(p_196534_0_, worldIn, (LivingEntity)null); } @Deprecated //Forge: Prefer using IForgeBlock#catchFire private static void explode(World p_196535_0_, BlockPos p_196535_1_, @Nullable LivingEntity p_196535_2_) { if (!p_196535_0_.isRemote) { TNTEntity tntentity = new TNTEntity(p_196535_0_, (double)p_196535_1_.getX() + 0.5D, (double)p_196535_1_.getY(), (double)p_196535_1_.getZ() + 0.5D, p_196535_2_); p_196535_0_.addEntity(tntentity); p_196535_0_.playSound((PlayerEntity)null, tntentity.func_226277_ct_(), tntentity.func_226278_cu_(), tntentity.func_226281_cx_(), SoundEvents.ENTITY_TNT_PRIMED, SoundCategory.BLOCKS, 1.0F, 1.0F); } } public ActionResultType func_225533_a_(BlockState p_225533_1_, World p_225533_2_, BlockPos p_225533_3_, PlayerEntity p_225533_4_, Hand p_225533_5_, BlockRayTraceResult p_225533_6_) { ItemStack itemstack = p_225533_4_.getHeldItem(p_225533_5_); Item item = itemstack.getItem(); if (item != Items.FLINT_AND_STEEL && item != Items.FIRE_CHARGE) { return super.func_225533_a_(p_225533_1_, p_225533_2_, p_225533_3_, p_225533_4_, p_225533_5_, p_225533_6_); } else { catchFire(p_225533_1_, p_225533_2_, p_225533_3_, p_225533_6_.getFace(), p_225533_4_); p_225533_2_.setBlockState(p_225533_3_, Blocks.AIR.getDefaultState(), 11); if (!p_225533_4_.isCreative()) { if (item == Items.FLINT_AND_STEEL) { itemstack.damageItem(1, p_225533_4_, (p_220287_1_) -> { p_220287_1_.sendBreakAnimation(p_225533_5_); }); } else { itemstack.shrink(1); } } return ActionResultType.SUCCESS; } } public void onProjectileCollision(World worldIn, BlockState state, BlockRayTraceResult hit, Entity projectile) { if (!worldIn.isRemote && projectile instanceof AbstractArrowEntity) { AbstractArrowEntity abstractarrowentity = (AbstractArrowEntity)projectile; Entity entity = abstractarrowentity.getShooter(); if (abstractarrowentity.isBurning()) { BlockPos blockpos = hit.getPos(); catchFire(state, worldIn, blockpos, null, entity instanceof LivingEntity ? (LivingEntity)entity : null); worldIn.removeBlock(blockpos, false); } } } /** * Return whether this block can drop from an explosion. */ public boolean canDropFromExplosion(Explosion explosionIn) { return false; } protected void fillStateContainer(StateContainer.Builder<Block, BlockState> builder) { builder.add(UNSTABLE); } } So, do i need to do it like this: public class EpicTNT extends Block { public EpicTNT() { super(Block.Properties.create(Material.TNT) .catchFire(true) // The rest of the methods in TNTBlock.java ); } } That makes sense, but I dont think that will work.

I am using Eclipse. I am going to find them right now

How can I do that? I know about MCP, but that is discontinued and its latest version is 1.12.2, i think. Do I use MCPReborn?

Hi! I am trying to make a mod which adds TNT that has bigger explosion radiuses, or other effects. I know how to make new blocks, but I dont know how to make TNT. Can someone tell me how to do this?