added aura pulling and stuff

src/main/java/de/ellpeck/naturesaura/Helper.java

@@ -0,0 +1,26 @@
+package de.ellpeck.naturesaura;
+
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public final class Helper {
+
+    public static List<TileEntity> getTileEntitiesInArea(World world, BlockPos pos, int radius) {
+        List<TileEntity> tiles = new ArrayList<>();
+        for (int x = (pos.getX() - radius) >> 4; x <= (pos.getX() + radius) >> 4; x++) {
+            for (int z = (pos.getZ() - radius) >> 4; z <= (pos.getZ() + radius) >> 4; z++) {
+                for (TileEntity tile : world.getChunk(x, z).getTileEntityMap().values()) {
+                    if (tile.getPos().distanceSq(pos) <= radius * radius) {
+                        tiles.add(tile);
+                    }
+                }
+            }
+        }
+        return tiles;
+    }
+
+}

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

@@ -1,6 +1,7 @@
 package de.ellpeck.naturesaura;
 
 import de.ellpeck.naturesaura.blocks.ModBlocks;
+import de.ellpeck.naturesaura.packet.PacketHandler;
 import de.ellpeck.naturesaura.proxy.IProxy;
 import de.ellpeck.naturesaura.reg.ModRegistry;
 import net.minecraft.creativetab.CreativeTabs;
@@ -38,6 +39,7 @@ public final class NaturesAura {
     @EventHandler
     public void preInit(FMLPreInitializationEvent event) {
         new ModBlocks();
+        PacketHandler.init();
         ModRegistry.preInit(event);
         proxy.preInit(event);
     }

src/main/java/de/ellpeck/naturesaura/aura/BasicAuraContainer.java

@@ -0,0 +1,54 @@
+package de.ellpeck.naturesaura.aura;
+
+import net.minecraft.nbt.NBTTagCompound;
+
+public class BasicAuraContainer implements IAuraContainer {
+
+    protected final int maxAura;
+    protected int aura;
+
+    public BasicAuraContainer(int maxAura) {
+        this.maxAura = maxAura;
+    }
+
+    @Override
+    public int storeAura(int amountToStore, boolean simulate) {
+        int actual = Math.min(amountToStore, this.maxAura - this.aura);
+        if (!simulate) {
+            this.aura += actual;
+        }
+        return actual;
+    }
+
+    @Override
+    public int drainAura(int amountToDrain, boolean simulate) {
+        int actual = Math.min(amountToDrain, this.aura);
+        if (!simulate) {
+            this.aura -= actual;
+        }
+        return actual;
+    }
+
+    @Override
+    public int getStoredAura() {
+        return this.aura;
+    }
+
+    @Override
+    public int getMaxAura() {
+        return this.maxAura;
+    }
+
+    @Override
+    public int getAuraColor() {
+        return 0x00FF00;
+    }
+
+    public void writeNBT(NBTTagCompound compound) {
+        compound.setInteger("aura", this.aura);
+    }
+
+    public void readNBT(NBTTagCompound compound) {
+        this.aura = compound.getInteger("aura");
+    }
+}

src/main/java/de/ellpeck/naturesaura/aura/FiniteAuraContainer.java

@@ -0,0 +1,14 @@
+package de.ellpeck.naturesaura.aura;
+
+public class FiniteAuraContainer extends BasicAuraContainer {
+
+    public FiniteAuraContainer(int aura) {
+        super(aura);
+        this.aura = aura;
+    }
+
+    @Override
+    public int storeAura(int amountToStore, boolean simulate) {
+        return 0;
+    }
+}

src/main/java/de/ellpeck/naturesaura/aura/IAuraContainer.java

@@ -0,0 +1,13 @@
+package de.ellpeck.naturesaura.aura;
+
+public interface IAuraContainer {
+    int storeAura(int amountToStore, boolean simulate);
+
+    int drainAura(int amountToDrain, boolean simulate);
+
+    int getStoredAura();
+
+    int getMaxAura();
+
+    int getAuraColor();
+}

src/main/java/de/ellpeck/naturesaura/aura/IAuraContainerProvider.java

@@ -0,0 +1,6 @@
+package de.ellpeck.naturesaura.aura;
+
+public interface IAuraContainerProvider {
+
+    IAuraContainer container();
+}

src/main/java/de/ellpeck/naturesaura/blocks/BlockAncientLeaves.java

@@ -115,7 +115,7 @@ public class BlockAncientLeaves extends BlockLeaves implements
     @Nullable
     @Override
     public TileEntity createNewTileEntity(World worldIn, int meta) {
-        return new TileEntityAncientLeaves();
+        return (meta & 2) != 0 ? new TileEntityAncientLeaves() : null;
     }
 
     @Override
@@ -140,7 +140,7 @@ public class BlockAncientLeaves extends BlockLeaves implements
                     0F, 0F, 0F, 0xc46df9,
                     rand.nextFloat() * 2F + 0.5F,
                     rand.nextInt(100) + 150,
-                    rand.nextFloat() * 0.05F + 0.005F, true);
+                    rand.nextFloat() * 0.05F + 0.005F, true, true);
 
         }
     }

src/main/java/de/ellpeck/naturesaura/blocks/BlockNatureAltar.java

@@ -0,0 +1,32 @@
+package de.ellpeck.naturesaura.blocks;
+
+import de.ellpeck.naturesaura.blocks.tiles.TileEntityNatureAltar;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockAccess;
+
+public class BlockNatureAltar extends BlockContainerImpl {
+
+    private static final AxisAlignedBB BOUND_BOX = new AxisAlignedBB(0F, 0F, 0F, 1F, 12 / 16F, 1F);
+
+    public BlockNatureAltar() {
+        super(Material.ROCK, "nature_altar", TileEntityNatureAltar.class, "nature_altar");
+    }
+
+    @Override
+    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
+        return BOUND_BOX;
+    }
+
+    @Override
+    public boolean isFullCube(IBlockState state) {
+        return false;
+    }
+
+    @Override
+    public boolean isOpaqueCube(IBlockState state) {
+        return false;
+    }
+}

src/main/java/de/ellpeck/naturesaura/blocks/ModBlocks.java

@@ -10,4 +10,5 @@ public final class ModBlocks {
     public static final Block ANCIENT_BARK = new BlockImpl("ancient_bark", Material.WOOD).setSoundType(SoundType.WOOD).setHardness(2F);
     public static final Block ANCIENT_LEAVES = new BlockAncientLeaves();
     public static final Block ANCIENT_SAPLING = new BlockAncientSapling();
+    public static final Block NATURE_ALTAR = new BlockNatureAltar();
 }

src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityAncientLeaves.java

@@ -1,4 +1,33 @@
 package de.ellpeck.naturesaura.blocks.tiles;
 
-public class TileEntityAncientLeaves extends TileEntityImpl {
+import de.ellpeck.naturesaura.aura.FiniteAuraContainer;
+import de.ellpeck.naturesaura.aura.IAuraContainer;
+import de.ellpeck.naturesaura.aura.IAuraContainerProvider;
+import net.minecraft.nbt.NBTTagCompound;
+
+public class TileEntityAncientLeaves extends TileEntityImpl implements IAuraContainerProvider {
+
+    private final FiniteAuraContainer container = new FiniteAuraContainer(50) {
+        @Override
+        public int getAuraColor() {
+            return 0xc46df9;
+        }
+    };
+
+    @Override
+    public IAuraContainer container() {
+        return this.container;
+    }
+
+    @Override
+    public void writeNBT(NBTTagCompound compound, boolean syncing) {
+        super.writeNBT(compound, syncing);
+        this.container.writeNBT(compound);
+    }
+
+    @Override
+    public void readNBT(NBTTagCompound compound, boolean syncing) {
+        super.readNBT(compound, syncing);
+        this.container.readNBT(compound);
+    }
 }

src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityImpl.java

@@ -20,21 +20,20 @@ public class TileEntityImpl extends TileEntity {
     @Override
     public NBTTagCompound writeToNBT(NBTTagCompound compound) {
         this.writeNBT(compound, false);
-        return super.writeToNBT(compound);
+        return compound;
     }
 
     @Override
     public void readFromNBT(NBTTagCompound compound) {
         this.readNBT(compound, false);
-        super.readFromNBT(compound);
     }
 
     public void writeNBT(NBTTagCompound compound, boolean syncing) {
-
+        super.writeToNBT(compound);
     }
 
     public void readNBT(NBTTagCompound compound, boolean syncing) {
-
+        super.readFromNBT(compound);
     }
 
     @Override

src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityNatureAltar.java

@@ -0,0 +1,202 @@
+package de.ellpeck.naturesaura.blocks.tiles;
+
+import de.ellpeck.naturesaura.Helper;
+import de.ellpeck.naturesaura.NaturesAura;
+import de.ellpeck.naturesaura.aura.BasicAuraContainer;
+import de.ellpeck.naturesaura.aura.IAuraContainer;
+import de.ellpeck.naturesaura.aura.IAuraContainerProvider;
+import de.ellpeck.naturesaura.packet.PacketHandler;
+import de.ellpeck.naturesaura.packet.PacketParticles;
+import net.minecraft.block.BlockStoneBrick;
+import net.minecraft.block.BlockStoneBrick.EnumType;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.ITickable;
+import net.minecraft.util.math.BlockPos;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+public class TileEntityNatureAltar extends TileEntityImpl implements ITickable, IAuraContainerProvider {
+
+    private static final BlockPos[] BRICK_POSITIONS = new BlockPos[]{
+            new BlockPos(-2, -1, 0),
+            new BlockPos(-3, -1, 0),
+            new BlockPos(-4, 0, 0),
+            new BlockPos(-4, 1, 0),
+
+            new BlockPos(2, -1, 0),
+            new BlockPos(3, -1, 0),
+            new BlockPos(4, 0, 0),
+            new BlockPos(4, 1, 0),
+
+            new BlockPos(0, -1, -2),
+            new BlockPos(0, -1, -3),
+            new BlockPos(0, 0, -4),
+            new BlockPos(0, 1, -4),
+
+            new BlockPos(0, -1, 2),
+            new BlockPos(0, -1, 3),
+            new BlockPos(0, 0, 4),
+            new BlockPos(0, 1, 4)
+    };
+    private static final BlockPos[] MOSSY_POSITIONS = new BlockPos[]{
+            new BlockPos(-4, 2, 0),
+            new BlockPos(4, 2, 0),
+            new BlockPos(0, 2, -4),
+            new BlockPos(0, 2, 4),
+
+            new BlockPos(-2, 0, -2),
+            new BlockPos(2, 0, -2),
+            new BlockPos(2, 0, 2),
+            new BlockPos(-2, 0, 2)
+    };
+    private static final BlockPos[] CHISELED_POSITIONS = new BlockPos[]{
+            new BlockPos(0, -1, 0),
+            new BlockPos(1, -1, 1),
+            new BlockPos(-1, -1, 1),
+            new BlockPos(-1, -1, -1),
+            new BlockPos(1, -1, -1)
+    };
+    private static final BlockPos[] GRASS_POSITIONS = new BlockPos[]{
+            new BlockPos(-1, -1, 0),
+            new BlockPos(1, -1, 0),
+            new BlockPos(0, -1, -1),
+            new BlockPos(0, -1, 1),
+
+            new BlockPos(-2, -1, -1),
+            new BlockPos(-3, -1, -1),
+            new BlockPos(-2, -1, 1),
+            new BlockPos(-3, -1, 1),
+
+            new BlockPos(2, -1, -1),
+            new BlockPos(3, -1, -1),
+            new BlockPos(2, -1, 1),
+            new BlockPos(3, -1, 1),
+
+            new BlockPos(-1, -1, -2),
+            new BlockPos(-1, -1, -3),
+            new BlockPos(1, -1, -2),
+            new BlockPos(1, -1, -3),
+
+            new BlockPos(-1, -1, 2),
+            new BlockPos(-1, -1, 3),
+            new BlockPos(1, -1, 2),
+            new BlockPos(1, -1, 3),
+    };
+
+    private final List<WeakReference<IAuraContainerProvider>> cachedProviders = new ArrayList<>();
+    private final BasicAuraContainer container = new BasicAuraContainer(5000);
+    public boolean structureFine;
+
+    private int lastAura;
+
+    @Override
+    public void update() {
+        Random rand = this.world.rand;
+
+        if (!this.world.isRemote) {
+            if (this.world.getTotalWorldTime() % 40 == 0) {
+                boolean fine = this.check(BRICK_POSITIONS, Blocks.STONEBRICK.getDefaultState())
+                        && this.check(MOSSY_POSITIONS, Blocks.STONEBRICK.getDefaultState().withProperty(BlockStoneBrick.VARIANT, EnumType.MOSSY))
+                        && this.check(CHISELED_POSITIONS, Blocks.STONEBRICK.getDefaultState().withProperty(BlockStoneBrick.VARIANT, EnumType.CHISELED))
+                        && this.check(GRASS_POSITIONS, Blocks.GRASS.getDefaultState());
+                if (fine != this.structureFine) {
+                    this.structureFine = fine;
+                    this.sendToClients();
+                }
+            }
+
+            if (this.structureFine) {
+                if (this.world.getTotalWorldTime() % 100 == 0) {
+                    this.cachedProviders.clear();
+                    for (TileEntity tile : Helper.getTileEntitiesInArea(this.world, this.pos, 15)) {
+                        if (tile instanceof IAuraContainerProvider && tile != this) {
+                            this.cachedProviders.add(new WeakReference<>((IAuraContainerProvider) tile));
+                        }
+                    }
+                }
+
+                if (!this.cachedProviders.isEmpty()) {
+                    IAuraContainerProvider provider = this.cachedProviders.get(rand.nextInt(this.cachedProviders.size())).get();
+                    if (provider != null) {
+                        int stored = this.container.storeAura(provider.container().drainAura(5, true), false);
+                        if (stored > 0) {
+                            provider.container().drainAura(stored, false);
+
+                            BlockPos pos = ((TileEntity) provider).getPos();
+                            PacketHandler.sendToAllLoaded(this.world, this.pos, new PacketParticles(
+                                    pos.getX() + 0.5F, pos.getY() + 0.5F, pos.getZ() + 0.5F,
+                                    this.pos.getX() + 0.5F, this.pos.getY() + 0.5F, this.pos.getZ() + 0.5F,
+                                    rand.nextFloat() * 0.05F + 0.05F, provider.container().getAuraColor(), rand.nextFloat() * 1F + 1F
+                            ));
+                        }
+                    }
+                }
+            }
+
+            if (this.world.getTotalWorldTime() % 10 == 0 && this.lastAura != this.container.getStoredAura()) {
+                this.lastAura = this.container.getStoredAura();
+                this.sendToClients();
+            }
+        } else {
+            if (this.structureFine) {
+                if (rand.nextFloat() >= 0.7F) {
+                    int fourths = this.container.getMaxAura() / 4;
+                    if (this.container.getStoredAura() > 0) {
+                        NaturesAura.proxy.spawnMagicParticle(this.world,
+                                this.pos.getX() - 4F + rand.nextFloat(), this.pos.getY() + 3F, this.pos.getZ() + rand.nextFloat(),
+                                0F, 0F, 0F, this.container.getAuraColor(), rand.nextFloat() * 3F + 1F, rand.nextInt(200) + 100, -0.025F, true, true);
+                    }
+                    if (this.container.getStoredAura() >= fourths) {
+                        NaturesAura.proxy.spawnMagicParticle(this.world,
+                                this.pos.getX() + 4F + rand.nextFloat(), this.pos.getY() + 3F, this.pos.getZ() + rand.nextFloat(),
+                                0F, 0F, 0F, this.container.getAuraColor(), rand.nextFloat() * 3F + 1F, rand.nextInt(200) + 100, -0.025F, true, true);
+                    }
+                    if (this.container.getStoredAura() >= fourths * 2) {
+                        NaturesAura.proxy.spawnMagicParticle(this.world,
+                                this.pos.getX() + rand.nextFloat(), this.pos.getY() + 3F, this.pos.getZ() - 4F + rand.nextFloat(),
+                                0F, 0F, 0F, this.container.getAuraColor(), rand.nextFloat() * 3F + 1F, rand.nextInt(200) + 100, -0.025F, true, true);
+                    }
+                    if (this.container.getStoredAura() >= fourths * 3) {
+                        NaturesAura.proxy.spawnMagicParticle(this.world,
+                                this.pos.getX() + rand.nextFloat(), this.pos.getY() + 3F, this.pos.getZ() + 4F + rand.nextFloat(),
+                                0F, 0F, 0F, this.container.getAuraColor(), rand.nextFloat() * 3F + 1F, rand.nextInt(200) + 100, -0.025F, true, true);
+                    }
+                }
+            }
+        }
+    }
+
+    private boolean check(BlockPos[] positions, IBlockState state) {
+        for (BlockPos offset : positions) {
+            if (this.world.getBlockState(this.pos.add(offset)) != state) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public void writeNBT(NBTTagCompound compound, boolean syncing) {
+        super.writeNBT(compound, syncing);
+        compound.setBoolean("fine", this.structureFine);
+        this.container.writeNBT(compound);
+    }
+
+    @Override
+    public void readNBT(NBTTagCompound compound, boolean syncing) {
+        super.readNBT(compound, syncing);
+        this.structureFine = compound.getBoolean("fine");
+        this.container.readNBT(compound);
+    }
+
+    @Override
+    public IAuraContainer container() {
+        return this.container;
+    }
+}

src/main/java/de/ellpeck/naturesaura/packet/PacketHandler.java

@@ -0,0 +1,24 @@
+package de.ellpeck.naturesaura.packet;
+
+import de.ellpeck.naturesaura.NaturesAura;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraftforge.fml.common.network.NetworkRegistry;
+import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
+import net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper;
+import net.minecraftforge.fml.relauncher.Side;
+
+public final class PacketHandler {
+
+    private static SimpleNetworkWrapper network;
+
+    public static void init() {
+        network = new SimpleNetworkWrapper(NaturesAura.MOD_ID);
+        network.registerMessage(PacketParticles.Handler.class, PacketParticles.class, 0, Side.CLIENT);
+    }
+
+    public static void sendToAllLoaded(World world, BlockPos pos, IMessage message) {
+        network.sendToAllTracking(message, new NetworkRegistry.TargetPoint(world.provider.getDimension(), pos.getX(), pos.getY(), pos.getZ(), 0));
+    }
+
+}

src/main/java/de/ellpeck/naturesaura/packet/PacketParticles.java

@@ -0,0 +1,91 @@
+package de.ellpeck.naturesaura.packet;
+
+import de.ellpeck.naturesaura.NaturesAura;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.client.Minecraft;
+import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
+import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler;
+import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+import org.lwjgl.util.vector.Vector3f;
+
+public class PacketParticles implements IMessage {
+
+    private float startX;
+    private float startY;
+    private float startZ;
+
+    private float endX;
+    private float endY;
+    private float endZ;
+
+    private float speed;
+    private int color;
+    private float scale;
+
+    public PacketParticles(float startX, float startY, float startZ, float endX, float endY, float endZ, float speed, int color, float scale) {
+        this.startX = startX;
+        this.startY = startY;
+        this.startZ = startZ;
+        this.endX = endX;
+        this.endY = endY;
+        this.endZ = endZ;
+        this.speed = speed;
+        this.color = color;
+        this.scale = scale;
+    }
+
+    public PacketParticles() {
+
+    }
+
+    @Override
+    public void fromBytes(ByteBuf buf) {
+        this.startX = buf.readFloat();
+        this.startY = buf.readFloat();
+        this.startZ = buf.readFloat();
+        this.endX = buf.readFloat();
+        this.endY = buf.readFloat();
+        this.endZ = buf.readFloat();
+        this.speed = buf.readFloat();
+        this.color = buf.readInt();
+        this.scale = buf.readFloat();
+    }
+
+    @Override
+    public void toBytes(ByteBuf buf) {
+        buf.writeFloat(this.startX);
+        buf.writeFloat(this.startY);
+        buf.writeFloat(this.startZ);
+        buf.writeFloat(this.endX);
+        buf.writeFloat(this.endY);
+        buf.writeFloat(this.endZ);
+        buf.writeFloat(this.speed);
+        buf.writeInt(this.color);
+        buf.writeFloat(this.scale);
+    }
+
+    public static class Handler implements IMessageHandler<PacketParticles, IMessage> {
+
+        @Override
+        @SideOnly(Side.CLIENT)
+        public IMessage onMessage(PacketParticles message, MessageContext ctx) {
+            NaturesAura.proxy.scheduleTask(() -> {
+                Vector3f dir = new Vector3f(
+                        message.endX - message.startX,
+                        message.endY - message.startY,
+                        message.endZ - message.startZ);
+                int maxAge = (int) (dir.length() / message.speed);
+                dir.normalise();
+
+                NaturesAura.proxy.spawnMagicParticle(Minecraft.getMinecraft().world,
+                        message.startX, message.startY, message.startZ,
+                        dir.x * message.speed, dir.y * message.speed, dir.z * message.speed,
+                        message.color, message.scale, maxAge, 0F, false, false);
+            });
+
+            return null;
+        }
+    }
+}

src/main/java/de/ellpeck/naturesaura/particles/ParticleMagic.java

@@ -15,13 +15,15 @@ public class ParticleMagic extends Particle {
     public static final ResourceLocation TEXTURE = new ResourceLocation(NaturesAura.MOD_ID, "particles/magic_round");
 
     private final float desiredScale;
+    private final boolean fade;
 
-    public ParticleMagic(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision) {
+    public ParticleMagic(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision, boolean fade) {
         super(world, posX, posY, posZ);
         this.desiredScale = scale;
         this.particleMaxAge = maxAge;
         this.canCollide = collision;
         this.particleGravity = gravity;
+        this.fade = fade;
 
         this.motionX = motionX;
         this.motionY = motionY;
@@ -32,17 +34,29 @@ public class ParticleMagic extends Particle {
         TextureMap map = Minecraft.getMinecraft().getTextureMapBlocks();
         this.setParticleTexture(map.getAtlasSprite(TEXTURE.toString()));
 
-        this.particleAlpha = 0F;
-        this.particleScale = 0F;
+        this.particleAlpha = 0.75F;
+        this.particleScale = this.desiredScale;
     }
 
     @Override
     public void onUpdate() {
-        super.onUpdate();
+        this.prevPosX = this.posX;
+        this.prevPosY = this.posY;
+        this.prevPosZ = this.posZ;
 
-        float lifeRatio = (float) this.particleAge / (float) this.particleMaxAge;
-        this.particleAlpha = 0.75F - (lifeRatio * 0.75F);
-        this.particleScale = this.desiredScale - (this.desiredScale * lifeRatio);
+        this.particleAge++;
+        if (this.particleAge >= this.particleMaxAge) {
+            this.setExpired();
+        } else {
+            this.motionY -= 0.04D * (double) this.particleGravity;
+            this.move(this.motionX, this.motionY, this.motionZ);
+
+            if (this.fade) {
+                float lifeRatio = (float) this.particleAge / (float) this.particleMaxAge;
+                this.particleAlpha = 0.75F - (lifeRatio * 0.75F);
+                this.particleScale = this.desiredScale - (this.desiredScale * lifeRatio);
+            }
+        }
     }
 
     @Override

src/main/java/de/ellpeck/naturesaura/proxy/ClientProxy.java

@@ -62,8 +62,8 @@ public class ClientProxy implements IProxy {
     }
 
     @Override
-    public void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision) {
-        ParticleMagic particle = new ParticleMagic(world, posX, posY, posZ, motionX, motionY, motionZ, color, scale, maxAge, gravity, collision);
+    public void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision, boolean fade) {
+        ParticleMagic particle = new ParticleMagic(world, posX, posY, posZ, motionX, motionY, motionZ, color, scale, maxAge, gravity, collision, fade);
         ParticleHandler.spawnParticle(particle, posX, posY, posZ, 32);
     }
 

src/main/java/de/ellpeck/naturesaura/proxy/IProxy.java

@@ -22,7 +22,7 @@ public interface IProxy {
 
     void addColorProvidingBlock(IColorProvidingBlock block);
 
-    void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision);
+    void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision, boolean fade);
 
     void scheduleTask(Runnable runnable);
 }

src/main/java/de/ellpeck/naturesaura/proxy/ServerProxy.java

@@ -43,7 +43,7 @@ public class ServerProxy implements IProxy {
     }
 
     @Override
-    public void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision) {
+    public void spawnMagicParticle(World world, double posX, double posY, double posZ, double motionX, double motionY, double motionZ, int color, float scale, int maxAge, float gravity, boolean collision, boolean fade) {
 
     }
 

src/main/resources/assets/naturesaura/blockstates/nature_altar.json

@@ -0,0 +1,16 @@
+{
+    "forge_marker": 1,
+    "defaults": {
+        "model": "naturesaura:nature_altar",
+        "textures": {
+            "texture": "naturesaura:blocks/nature_altar",
+            "top": "naturesaura:blocks/nature_altar_top",
+            "particle": "#top"
+        },
+        "transform": "forge:default-block"
+    },
+    "variants": {
+        "normal": [{}],
+        "inventory": [{}]
+    }
+}

src/main/resources/assets/naturesaura/lang/en_US.lang

@@ -3,4 +3,5 @@ itemGroup.naturesaura=Nature's Aura
 tile.naturesaura.ancient_log.name=Ancient Log
 tile.naturesaura.ancient_bark.name=Ancient Bark
 tile.naturesaura.ancient_leaves.name=Ancient Leaves
-tile.naturesaura.ancient_sapling.name=Ancient Sapling
+tile.naturesaura.ancient_sapling.name=Ancient Sapling
+tile.naturesaura.nature_altar.name=Natural Altar

src/main/resources/assets/naturesaura/models/block/nature_altar.json

@@ -0,0 +1,39 @@
+{
+    "elements": [
+        {
+            "from": [0, 0, 0],
+            "to": [16, 12, 16],
+            "faces": {
+                "down": {
+                    "uv": [0, 0, 16, 16],
+                    "texture": "#top",
+                    "cullface": "down"
+                },
+                "up": {
+                    "uv": [0, 0, 16, 16],
+                    "texture": "#top"
+                },
+                "north": {
+                    "uv": [0, 4, 16, 16],
+                    "texture": "#texture",
+                    "cullface": "north"
+                },
+                "south": {
+                    "uv": [0, 4, 16, 16],
+                    "texture": "#texture",
+                    "cullface": "south"
+                },
+                "west": {
+                    "uv": [0, 4, 16, 16],
+                    "texture": "#texture",
+                    "cullface": "west"
+                },
+                "east": {
+                    "uv": [0, 4, 16, 16],
+                    "texture": "#texture",
+                    "cullface": "east"
+                }
+            }
+        }
+    ]
+}