added the rod of shadows

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

@@ -89,6 +89,16 @@ public class InternalHooks implements NaturesAuraAPI.IInternalHooks {
         }
     }
 
+    @Override
+    public void setParticleDepth(boolean depth) {
+        NaturesAura.proxy.setParticleDepth(depth);
+    }
+
+    @Override
+    public void setParticleSpawnRange(int range) {
+        NaturesAura.proxy.setParticleSpawnRange(range);
+    }
+
     @Override
     public IMultiblock createMultiblock(ResourceLocation name, String[][] pattern, Object... rawMatchers) {
         return new Multiblock(name, pattern, rawMatchers);

src/main/java/de/ellpeck/naturesaura/api/NaturesAuraAPI.java

@@ -242,6 +242,24 @@ public final class NaturesAuraAPI {
          */
         void spawnParticleStream(float startX, float startY, float startZ, float endX, float endY, float endZ, float speed, int color, float scale);
 
+        /**
+         * Sets wether Nature's Aura particles that are spawned will be rendered
+         * with depth test enabled or not. Default value is true, please reset
+         * after changing.
+         *
+         * @param depth Wether depth test should be enabled or not
+         */
+        void setParticleDepth(boolean depth);
+
+        /**
+         * Sets the range that Nature's Aura particles that are spawned will
+         * have to have from the player at most to actually be spawned. Default
+         * value is 32, please reset after changing.
+         *
+         * @param range The range that particle spawning should have
+         */
+        void setParticleSpawnRange(int range);
+
         /**
          * This method is used to create a custom multiblock from within the
          * API. The multiblock will automatically be registered both to Nature's

src/main/java/de/ellpeck/naturesaura/api/internal/StubHooks.java

@@ -31,6 +31,16 @@ public class StubHooks implements NaturesAuraAPI.IInternalHooks {
 
     }
 
+    @Override
+    public void setParticleDepth(boolean depth) {
+
+    }
+
+    @Override
+    public void setParticleSpawnRange(int range) {
+
+    }
+
     @Override
     public IMultiblock createMultiblock(ResourceLocation name, String[][] pattern, Object... rawMatchers) {
         return new StubMultiblock();

src/main/java/de/ellpeck/naturesaura/events/ClientEvents.java

@@ -72,7 +72,11 @@ public class ClientEvents {
             String prefix = TextFormatting.GREEN + "[" + NaturesAura.MOD_NAME + "]" + TextFormatting.RESET + " ";
             List<String> left = event.getLeft();
             left.add("");
-            left.add(prefix + "Particles: " + ParticleHandler.getParticleAmount());
+
+            int depth = ParticleHandler.getParticleAmount(true);
+            int noDepth = ParticleHandler.getParticleAmount(false);
+            left.add(prefix + "P: " + (depth + noDepth) + " (D: " + depth + " nD: " + noDepth + ")");
+            left.add(prefix + "PR: " + ParticleHandler.range + " PD: " + ParticleHandler.depthEnabled);
 
             if (mc.player.capabilities.isCreativeMode) {
                 MutableInt amount = new MutableInt(IAuraChunk.DEFAULT_AURA);
@@ -82,8 +86,8 @@ public class ClientEvents {
                     amount.add(drainSpot);
                 });
                 NumberFormat format = NumberFormat.getInstance();
-                left.add(prefix + "Aura: " + format.format(amount.intValue()) + " in " + spots.intValue() + " spots (range 35)");
+                left.add(prefix + "A: " + format.format(amount.intValue()) + " (S: " + spots.intValue() + ")");
-                left.add(prefix + "Type: " + IAuraType.forWorld(mc.world).getName());
+                left.add(prefix + "AT: " + IAuraType.forWorld(mc.world).getName());
             }
         }
         mc.profiler.endSection();

src/main/java/de/ellpeck/naturesaura/items/ItemCaveFinder.java

@@ -0,0 +1,61 @@
+package de.ellpeck.naturesaura.items;
+
+import de.ellpeck.naturesaura.api.NaturesAuraAPI;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.EntityLiving;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.EnumActionResult;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.EnumSkyBlock;
+import net.minecraft.world.World;
+
+public class ItemCaveFinder extends ItemImpl {
+    public ItemCaveFinder() {
+        super("cave_finder");
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World worldIn, EntityPlayer playerIn, EnumHand handIn) {
+        ItemStack stack = playerIn.getHeldItem(handIn);
+        NaturesAuraAPI.IInternalHooks inst = NaturesAuraAPI.instance();
+        if (!inst.extractAuraFromPlayer(playerIn, 20000, worldIn.isRemote))
+            return new ActionResult<>(EnumActionResult.FAIL, stack);
+        if (worldIn.isRemote) {
+            inst.setParticleDepth(false);
+            inst.setParticleSpawnRange(64);
+            BlockPos pos = playerIn.getPosition();
+            int range = 30;
+            for (int x = -range; x <= range; x++)
+                for (int y = -range; y <= range; y++)
+                    for (int z = -range; z <= range; z++) {
+                        BlockPos offset = pos.add(x, y, z);
+                        IBlockState state = worldIn.getBlockState(offset);
+                        if (!state.getBlock().canCreatureSpawn(state, worldIn, offset, EntityLiving.SpawnPlacementType.ON_GROUND))
+                            continue;
+
+                        BlockPos offUp = offset.up();
+                        IBlockState stateUp = worldIn.getBlockState(offUp);
+                        if (stateUp.isBlockNormalCube() || stateUp.getMaterial().isLiquid())
+                            continue;
+
+                        int sky = worldIn.getLightFor(EnumSkyBlock.SKY, offUp);
+                        int block = worldIn.getLightFor(EnumSkyBlock.BLOCK, offUp);
+                        if (sky > 7 || block > 7)
+                            continue;
+
+                        inst.spawnMagicParticle(
+                                offset.getX() + 0.5F, offset.getY() + 1.5F, offset.getZ() + 0.5F,
+                                0F, 0F, 0F, 0x992101, 2.5F, 20 * 30, 0F, false, true);
+                    }
+            inst.setParticleDepth(true);
+            inst.setParticleSpawnRange(32);
+
+            playerIn.swingArm(handIn);
+        }
+        playerIn.getCooldownTracker().setCooldown(this, 20 * 30);
+        return new ActionResult<>(EnumActionResult.SUCCESS, stack);
+    }
+}

src/main/java/de/ellpeck/naturesaura/items/ModItems.java

@@ -55,4 +55,5 @@ public final class ModItems {
     public static final Item TOKEN_RAGE = new ItemImpl("token_rage");
     public static final Item TOKEN_GRIEF = new ItemImpl("token_grief");
     public static final Item ENDER_ACCESS = new ItemEnderAccess();
+    public static final Item CAVE_FINDER = new ItemCaveFinder();
 }

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

@@ -20,9 +20,12 @@ import java.util.function.Supplier;
 @SideOnly(Side.CLIENT)
 public final class ParticleHandler {
 
+    public static boolean depthEnabled = true;
+    public static int range = 32;
     private static final List<Particle> PARTICLES = new ArrayList<>();
+    private static final List<Particle> PARTICLES_NO_DEPTH = new ArrayList<>();
 
-    public static void spawnParticle(Supplier<Particle> particle, double x, double y, double z, int range) {
+    public static void spawnParticle(Supplier<Particle> particle, double x, double y, double z) {
         if (Minecraft.getMinecraft().player.getDistanceSq(x, y, z) <= range * range) {
             Minecraft mc = Minecraft.getMinecraft();
             if (ModConfig.client.respectVanillaParticleSettings) {
@@ -35,16 +38,25 @@ public final class ParticleHandler {
             double setting = ModConfig.client.particleAmount;
             if (setting < 1 && mc.world.rand.nextDouble() > setting)
                 return;
+
+            if (depthEnabled)
                 PARTICLES.add(particle.get());
+            else
+                PARTICLES_NO_DEPTH.add(particle.get());
         }
     }
 
     public static void updateParticles() {
-        for (int i = PARTICLES.size() - 1; i >= 0; i--) {
+        updateList(PARTICLES);
-            Particle particle = PARTICLES.get(i);
+        updateList(PARTICLES_NO_DEPTH);
+    }
+
+    private static void updateList(List<Particle> particles) {
+        for (int i = particles.size() - 1; i >= 0; i--) {
+            Particle particle = particles.get(i);
             particle.onUpdate();
             if (!particle.isAlive())
-                PARTICLES.remove(i);
+                particles.remove(i);
         }
     }
 
@@ -70,6 +82,7 @@ public final class ParticleHandler {
             GlStateManager.enableBlend();
             GlStateManager.alphaFunc(516, 0.003921569F);
             GlStateManager.disableCull();
+            GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE);
 
             GlStateManager.depthMask(false);
 
@@ -77,13 +90,18 @@ public final class ParticleHandler {
             Tessellator tessy = Tessellator.getInstance();
             BufferBuilder buffer = tessy.getBuffer();
 
-            GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE);
             buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
             for (Particle particle : PARTICLES)
                 particle.renderParticle(buffer, player, partialTicks, x, xz, z, yz, xy);
-
             tessy.draw();
 
+            GlStateManager.disableDepth();
+            buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
+            for (Particle particle : PARTICLES_NO_DEPTH)
+                particle.renderParticle(buffer, player, partialTicks, x, xz, z, yz, xy);
+            tessy.draw();
+            GlStateManager.enableDepth();
+
             GlStateManager.enableCull();
             GlStateManager.depthMask(true);
             GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
@@ -94,13 +112,14 @@ public final class ParticleHandler {
         }
     }
 
-    public static int getParticleAmount() {
+    public static int getParticleAmount(boolean depth) {
-        return PARTICLES.size();
+        return depth ? PARTICLES.size() : PARTICLES_NO_DEPTH.size();
     }
 
     public static void clearParticles() {
-        if (!PARTICLES.isEmpty()) {
+        if (!PARTICLES.isEmpty())
             PARTICLES.clear();
-        }
+        if (!PARTICLES_NO_DEPTH.isEmpty())
+            PARTICLES_NO_DEPTH.clear();
     }
 }

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

@@ -90,7 +90,17 @@ public class ClientProxy implements IProxy {
         ParticleHandler.spawnParticle(() -> new ParticleMagic(Minecraft.getMinecraft().world,
                 posX, posY, posZ,
                 motionX, motionY, motionZ,
-                color, scale, maxAge, gravity, collision, fade), posX, posY, posZ, 32);
+                color, scale, maxAge, gravity, collision, fade), posX, posY, posZ);
+    }
+
+    @Override
+    public void setParticleDepth(boolean depth) {
+        ParticleHandler.depthEnabled = depth;
+    }
+
+    @Override
+    public void setParticleSpawnRange(int range) {
+        ParticleHandler.range = range;
     }
 
     @Override

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

@@ -32,5 +32,9 @@ public interface IProxy {
 
     void spawnMagicParticle(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 setParticleDepth(boolean depth);
+
+    void setParticleSpawnRange(int range);
+
     void scheduleTask(Runnable runnable);
 }

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

@@ -61,6 +61,16 @@ public class ServerProxy implements IProxy {
 
     }
 
+    @Override
+    public void setParticleDepth(boolean depth) {
+
+    }
+
+    @Override
+    public void setParticleSpawnRange(int range) {
+
+    }
+
     @Override
     public void scheduleTask(Runnable runnable) {
         FMLCommonHandler.instance().getMinecraftServerInstance().addScheduledTask(runnable);

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

@@ -91,6 +91,7 @@ item.naturesaura.token_rage.name=Token of Rage
 item.naturesaura.token_sorrow.name=Token of Sorrow
 item.naturesaura.token_terror.name=Token of Terror
 item.naturesaura.ender_access.name=Ender Ocular
+item.naturesaura.cave_finder.name=Staff of Shadows
 
 container.naturesaura.tree_ritual.name=Ritual of the Forest
 container.naturesaura.altar.name=Natural Altar Infusion

src/main/resources/assets/naturesaura/models/item/cave_finder.json

@@ -0,0 +1,6 @@
+{
+    "parent": "item/handheld",
+    "textures": {
+        "layer0": "naturesaura:items/cave_finder"
+    }
+}