Easier handling of meta blocks

src/main/java/WayofTime/bloodmagic/block/base/BlockInteger.java

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+package WayofTime.bloodmagic.block.base;
+
+import WayofTime.bloodmagic.block.property.UnlistedPropertyInteger;
+import lombok.Getter;
+import net.minecraft.block.Block;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.properties.IProperty;
+import net.minecraft.block.properties.PropertyInteger;
+import net.minecraft.block.state.BlockState;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Blocks;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.MovingObjectPosition;
+import net.minecraft.world.World;
+import net.minecraftforge.common.property.ExtendedBlockState;
+import net.minecraftforge.common.property.IExtendedBlockState;
+import net.minecraftforge.common.property.IUnlistedProperty;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+import java.util.List;
+
+/**
+ * Creates a block that has multiple meta-based states.
+ *
+ * These states will be numbered 0 through {@code maxMeta}.
+ *
+ * For {@link net.minecraft.tileentity.TileEntity}'s, use {@link BlockIntegerContainer}.
+ */
+@Getter
+public class BlockInteger extends Block {
+
+    private final int maxMeta;
+    private final PropertyInteger metaProp;
+    private final IUnlistedProperty unlistedMetaProp;
+    private final BlockState realBlockState;
+
+    public BlockInteger(Material material, int maxMeta, String propName) {
+        super(material);
+
+        this.maxMeta = maxMeta;
+
+        this.metaProp = PropertyInteger.create(propName, 0, maxMeta);
+        this.unlistedMetaProp = new UnlistedPropertyInteger(maxMeta, propName);
+        this.realBlockState = createRealBlockState();
+        setupStates();
+    }
+
+    public BlockInteger(Material material, int maxMeta) {
+        this(material, maxMeta, "meta");
+    }
+
+    @Override
+    public IBlockState getStateFromMeta(int meta) {
+        return getBlockState().getBaseState().withProperty(metaProp, meta);
+    }
+
+    @Override
+    public int getMetaFromState(IBlockState state) {
+        return (Integer) state.getValue(metaProp);
+    }
+
+    @Override
+    public int damageDropped(IBlockState state) {
+        return getMetaFromState(state);
+    }
+
+    @Override
+    public BlockState getBlockState() {
+        return this.realBlockState;
+    }
+
+    @Override
+    public BlockState createBlockState() {
+        return Blocks.air.getBlockState();
+    }
+
+    @Override
+    public ItemStack getPickBlock(MovingObjectPosition target, World world, BlockPos pos, EntityPlayer player) {
+        return new ItemStack(this, 1, this.getMetaFromState(world.getBlockState(pos)));
+    }
+
+    @Override
+    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("unchecked")
+    public void getSubBlocks(Item item, CreativeTabs creativeTabs, List list) {
+        for (int i = 0; i < maxMeta + 1; i++)
+            list.add(new ItemStack(this, 1, i));
+    }
+
+    private void setupStates() {
+        this.setDefaultState(getExtendedBlockState().withProperty(unlistedMetaProp, 0).withProperty(metaProp, 0));
+    }
+
+    public ExtendedBlockState getBaseExtendedState() {
+        return (ExtendedBlockState) this.getBlockState();
+    }
+
+    public IExtendedBlockState getExtendedBlockState() {
+        return (IExtendedBlockState) this.getBaseExtendedState().getBaseState();
+    }
+
+    private BlockState createRealBlockState() {
+        return new ExtendedBlockState(this, new IProperty[] { metaProp }, new IUnlistedProperty[] { unlistedMetaProp });
+    }
+}

src/main/java/WayofTime/bloodmagic/block/base/BlockIntegerContainer.java

@@ -0,0 +1,34 @@
+package WayofTime.bloodmagic.block.base;
+
+import net.minecraft.block.ITileEntityProvider;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.BlockPos;
+import net.minecraft.world.World;
+
+public abstract class BlockIntegerContainer extends BlockInteger implements ITileEntityProvider {
+
+    public BlockIntegerContainer(Material material, int maxMeta, String propName) {
+        super(material, maxMeta, propName);
+
+        this.isBlockContainer = true;
+    }
+
+    public BlockIntegerContainer(Material material, int maxMeta) {
+        this(material, maxMeta, "meta");
+    }
+
+    @Override
+    public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
+        super.breakBlock(worldIn, pos, state);
+        worldIn.removeTileEntity(pos);
+    }
+
+    @Override
+    public boolean onBlockEventReceived(World worldIn, BlockPos pos, IBlockState state, int eventID, int eventParam) {
+        super.onBlockEventReceived(worldIn, pos, state, eventID, eventParam);
+        TileEntity tileentity = worldIn.getTileEntity(pos);
+        return tileentity != null && tileentity.receiveClientEvent(eventID, eventParam);
+    }
+}

src/main/java/WayofTime/bloodmagic/block/base/BlockString.java

@@ -0,0 +1,114 @@
+package WayofTime.bloodmagic.block.base;
+
+import WayofTime.bloodmagic.block.property.PropertyString;
+import WayofTime.bloodmagic.block.property.UnlistedPropertyString;
+import lombok.Getter;
+import net.minecraft.block.Block;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.properties.IProperty;
+import net.minecraft.block.state.BlockState;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Blocks;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.MovingObjectPosition;
+import net.minecraft.world.World;
+import net.minecraftforge.common.property.ExtendedBlockState;
+import net.minecraftforge.common.property.IExtendedBlockState;
+import net.minecraftforge.common.property.IUnlistedProperty;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Creates a block that has multiple meta-based states.
+ *
+ * These states will be named after the given string array. Somewhere along the way, each
+ * value is {@code toLowerCase()}'ed, so the blockstate JSON needs all values to be lowercase.
+ *
+ * For {@link net.minecraft.tileentity.TileEntity}'s, use {@link BlockStringContainer}.
+ */
+@Getter
+public class BlockString extends Block {
+
+    private final int maxMeta;
+    private final List<String> values;
+    private final PropertyString stringProp;
+    private final IUnlistedProperty unlistedStringProp;
+    private final BlockState realBlockState;
+
+    public BlockString(Material material, String[] values, String propName) {
+        super(material);
+
+        this.maxMeta = values.length - 1;
+        this.values = Arrays.asList(values);
+
+        this.stringProp = PropertyString.create(propName, values);
+        this.unlistedStringProp = new UnlistedPropertyString(values, propName);
+        this.realBlockState = createRealBlockState();
+        setupStates();
+    }
+
+    public BlockString(Material material, String[] values) {
+        this(material, values, "type");
+    }
+
+    @Override
+    public IBlockState getStateFromMeta(int meta) {
+        return getBlockState().getBaseState().withProperty(stringProp, values.get(meta));
+    }
+
+    @Override
+    public int getMetaFromState(IBlockState state) {
+        return values.indexOf(String.valueOf(state.getValue(stringProp)));
+    }
+
+    @Override
+    public int damageDropped(IBlockState state) {
+        return getMetaFromState(state);
+    }
+
+    @Override
+    public BlockState getBlockState() {
+        return this.realBlockState;
+    }
+
+    @Override
+    public BlockState createBlockState() {
+        return Blocks.air.getBlockState();
+    }
+
+    @Override
+    public ItemStack getPickBlock(MovingObjectPosition target, World world, BlockPos pos, EntityPlayer player) {
+        return new ItemStack(this, 1, this.getMetaFromState(world.getBlockState(pos)));
+    }
+
+    @Override
+    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("unchecked")
+    public void getSubBlocks(Item item, CreativeTabs creativeTabs, List list) {
+        for (int i = 0; i < maxMeta + 1; i++)
+            list.add(new ItemStack(this, 1, i));
+    }
+
+    private void setupStates() {
+        this.setDefaultState(getExtendedBlockState().withProperty(unlistedStringProp, values.get(0)).withProperty(stringProp, values.get(0)));
+    }
+
+    public ExtendedBlockState getBaseExtendedState() {
+        return (ExtendedBlockState) this.getBlockState();
+    }
+
+    public IExtendedBlockState getExtendedBlockState() {
+        return (IExtendedBlockState) this.getBaseExtendedState().getBaseState();
+    }
+
+    private BlockState createRealBlockState() {
+        return new ExtendedBlockState(this, new IProperty[] { stringProp }, new IUnlistedProperty[] { unlistedStringProp });
+    }
+}

src/main/java/WayofTime/bloodmagic/block/base/BlockStringContainer.java

@@ -0,0 +1,34 @@
+package WayofTime.bloodmagic.block.base;
+
+import net.minecraft.block.ITileEntityProvider;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.BlockPos;
+import net.minecraft.world.World;
+
+public abstract class BlockStringContainer extends BlockString implements ITileEntityProvider {
+
+    public BlockStringContainer(Material material, String[] values, String propName) {
+        super(material, values, propName);
+
+        this.isBlockContainer = true;
+    }
+
+    public BlockStringContainer(Material material, String[] values) {
+        this(material, values, "type");
+    }
+
+    @Override
+    public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
+        super.breakBlock(worldIn, pos, state);
+        worldIn.removeTileEntity(pos);
+    }
+
+    @Override
+    public boolean onBlockEventReceived(World worldIn, BlockPos pos, IBlockState state, int eventID, int eventParam) {
+        super.onBlockEventReceived(worldIn, pos, state, eventID, eventParam);
+        TileEntity tileentity = worldIn.getTileEntity(pos);
+        return tileentity != null && tileentity.receiveClientEvent(eventID, eventParam);
+    }
+}