Nether coral growth

Can grow when receiving meat
Can attack entities that walk through them

src/java/mmm/plants/PNetherCoral.java

@@ -4,6 +4,7 @@ package mmm.plants;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Random;
 
 import mmm.core.CRegistry;
 import mmm.core.api.I_FloraRegistrar;
@@ -11,18 +12,26 @@ import mmm.core.api.world.I_FloraParameters;
 import mmm.utils.UBlockItemWithVariants;
 import mmm.world.WLocation;
 import mmm.world.gen.WGFloraParameters;
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockBush;
 import net.minecraft.block.SoundType;
 import net.minecraft.block.properties.PropertyEnum;
 import net.minecraft.block.state.BlockStateContainer;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.item.EntityItem;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Blocks;
 import net.minecraft.init.Items;
 import net.minecraft.item.Item;
+import net.minecraft.item.ItemFood;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.DamageSource;
+import net.minecraft.util.EnumParticleTypes;
 import net.minecraft.util.IStringSerializable;
+import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.world.IBlockAccess;
@@ -99,6 +108,13 @@ public class PNetherCoral
 		}
 
 
+		@Override
+		public AxisAlignedBB getBoundingBox( final IBlockState state , final IBlockAccess source , final BlockPos pos )
+		{
+			return Block.FULL_BLOCK_AABB;
+		}
+
+
 		@Override
 		protected BlockStateContainer createBlockState( )
 		{
@@ -190,8 +206,87 @@ public class PNetherCoral
 			return new ItemStack( PNetherCoral.this.ITEM , 1 , state.getValue( PNetherCoral.COLOR ).toMetadata( ) );
 		}
 
+
+		@Override
+		public void onEntityCollidedWithBlock( final World worldIn , final BlockPos pos , final IBlockState state ,
+				final Entity entityIn )
+		{
+			final Random rand = worldIn.rand == null ? Block.RANDOM : worldIn.rand;
+
+			if ( entityIn instanceof EntityItem ) {
+				final ItemStack stack = ( (EntityItem) entityIn ).getEntityItem( );
+				final Item item = stack.getItem( );
+				if ( item instanceof ItemFood && ( (ItemFood) item ).isWolfsFavoriteMeat( ) ) {
+					entityIn.setDead( );
+					this.doSmokeParticles( worldIn , pos , rand );
+					this.doFlameParticles( worldIn , pos , rand );
+					if ( !worldIn.isRemote ) {
+						this.tryGrow( worldIn , pos , state );
+					}
+				}
+			} else if ( entityIn instanceof EntityLivingBase && worldIn.rand.nextFloat( ) < .01f ) {
+				this.doFlameParticles( worldIn , pos , rand );
+				if ( !entityIn.isImmuneToFire( ) ) {
+					entityIn.attackEntityFrom( PNetherCoral.this.DAMAGE , 1f );
+				}
+			}
 		}
 
+
+		private void tryGrow( final World worldIn , final BlockPos pos , final IBlockState state )
+		{
+			final ArrayList< BlockPos > positions = new ArrayList<>( 26 );
+			int nAround = -1;
+			for ( int i = -1 ; i <= 1 ; i++ ) {
+				for ( int j = -1 ; j <= 1 ; j++ ) {
+					for ( int k = -1 ; k <= 1 ; k++ ) {
+						final BlockPos nPos = pos.add( i , j , k );
+						if ( worldIn.isAirBlock( nPos ) && this.canBlockStay( worldIn , nPos , state ) ) {
+							positions.add( nPos );
+						} else if ( worldIn.getBlockState( nPos ).getBlock( ) == this ) {
+							nAround++;
+						}
+					}
+				}
+			}
+
+			final float limit = .5f + nAround / 8f;
+			if ( positions.isEmpty( ) || worldIn.rand.nextFloat( ) < limit ) {
+				return;
+			}
+			final BlockPos growPos = positions.get( worldIn.rand.nextInt( positions.size( ) ) );
+			worldIn.setBlockState( growPos , state , 3 );
+		}
+
+
+		private void doSmokeParticles( final World world , final BlockPos pos , final Random rand )
+		{
+			world.spawnParticle( EnumParticleTypes.SMOKE_LARGE , pos.getX( ) + .5 , pos.getY( ) + .5 ,
+					pos.getZ( ) + .5 , 0 , .1 + rand.nextFloat( ) * .2 , 0 );
+			for ( int i = 0 ; i < 8 ; i++ ) {
+				world.spawnParticle( EnumParticleTypes.SMOKE_NORMAL , //
+						pos.getX( ) + .1 + rand.nextFloat( ) * .8 , //
+						pos.getY( ) + .4 + rand.nextFloat( ) * .2 , //
+						pos.getZ( ) + .1 + rand.nextFloat( ) * .8 , //
+						0 , .1 + rand.nextFloat( ) * .2 , 0 );
+			}
+		}
+
+
+		private void doFlameParticles( final World world , final BlockPos pos , final Random rand )
+		{
+			for ( int i = 0 ; i < 50 ; i++ ) {
+				world.spawnParticle( EnumParticleTypes.FLAME , //
+						pos.getX( ) + rand.nextFloat( ) , //
+						pos.getY( ) + .4 + rand.nextFloat( ) * .2 , //
+						pos.getZ( ) + rand.nextFloat( ) , //
+						0 , 0 , 0 );
+			}
+		}
+
+	}
+
+	public final DamageSource DAMAGE = new DamageSource( "nether_coral" ).setFireDamage( ).setDamageBypassesArmor( );
 	public final Plant PLANT;
 	public final UBlockItemWithVariants ITEM;
 

src/resources/assets/mmm/lang/en_US.lang

@@ -11,6 +11,9 @@ gui.mmm.tech.base.am.disabled=Deactivated
 item.mmm.plant.fruit.tomato.name=Tomato
 item.mmm.plant.seeds.tomato.name=Tomato Seeds
 tile.mmm.plant.block.wild_tomato.name=Wild Tomato Plant
+
+death.attack.nether_coral=%1$s became Nether Coral food
+death.attack.nether_coral.player=%1$s fled away from %2$s and straight into hungry Nether Coral
 tile.mmm.plant.block.nether_coral.red.name=Red Nether Coral
 tile.mmm.plant.block.nether_coral.yellow.name=Yellow Nether Coral
 tile.mmm.plant.block.nether_coral.orange.name=Orange Nether Coral