loot finder, part 1

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

@@ -77,6 +77,11 @@ public class InternalHooks implements NaturesAuraAPI.IInternalHooks {
         NaturesAura.proxy.setParticleSpawnRange(range);
     }
 
+    @Override
+    public void setParticleCulling(boolean cull) {
+        NaturesAura.proxy.setParticleCulling(cull);
+    }
+
     @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

@@ -274,6 +274,8 @@ public final class NaturesAuraAPI {
          */
         void setParticleSpawnRange(int range);
 
+        void setParticleCulling(boolean cull);
+
         /**
          * 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

@@ -46,6 +46,11 @@ public class StubHooks implements NaturesAuraAPI.IInternalHooks {
 
     }
 
+    @Override
+    public void setParticleCulling(boolean cull) {
+
+    }
+
     @Override
     public IMultiblock createMultiblock(ResourceLocation name, String[][] pattern, Object... rawMatchers) {
         return new StubMultiblock();

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

@@ -27,6 +27,7 @@ public class ItemCaveFinder extends ItemImpl {
         if (worldIn.isRemote) {
             inst.setParticleDepth(false);
             inst.setParticleSpawnRange(64);
+            inst.setParticleCulling(false);
             BlockPos pos = playerIn.getPosition();
             int range = 30;
             for (int x = -range; x <= range; x++)
@@ -53,6 +54,7 @@ public class ItemCaveFinder extends ItemImpl {
                     }
             inst.setParticleDepth(true);
             inst.setParticleSpawnRange(32);
+            inst.setParticleCulling(true);
 
             playerIn.swingArm(handIn);
         }

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

@@ -0,0 +1,59 @@
+package de.ellpeck.naturesaura.items;
+
+import de.ellpeck.naturesaura.Helper;
+import de.ellpeck.naturesaura.api.NaturesAuraAPI;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Hand;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraftforge.items.CapabilityItemHandler;
+
+public class ItemLootFinder extends ItemImpl {
+    public ItemLootFinder() {
+        super("loot_finder");
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World worldIn, PlayerEntity playerIn, Hand handIn) {
+        ItemStack stack = playerIn.getHeldItem(handIn);
+        NaturesAuraAPI.IInternalHooks inst = NaturesAuraAPI.instance();
+        if (!inst.extractAuraFromPlayer(playerIn, 100000, false))
+            return new ActionResult<>(ActionResultType.FAIL, stack);
+        if (worldIn.isRemote) {
+            inst.setParticleDepth(false);
+            inst.setParticleSpawnRange(64);
+            inst.setParticleCulling(false);
+
+            BlockPos pos = playerIn.getPosition();
+            Helper.getTileEntitiesInArea(worldIn, pos, 64, tile -> {
+                if (tile.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY).isPresent()) {
+                    inst.spawnMagicParticle(
+                            tile.getPos().getX() + 0.5F, tile.getPos().getY() + 0.5F, tile.getPos().getZ() + 0.5F,
+                            0F, 0F, 0F, 0xf5f10a, 6F, 20 * 60, 0F, false, true);
+                }
+                return false;
+            });
+            for (Entity entity : worldIn.getEntitiesWithinAABB(Entity.class, new AxisAlignedBB(pos).grow(64))) {
+                if (!(entity instanceof LivingEntity) && entity.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY).isPresent()) {
+                    inst.spawnMagicParticle(
+                            entity.getPosX(), entity.getPosYEye(), entity.getPosZ(),
+                            0F, 0F, 0F, 0xf5f10a, 6F, 20 * 60, 0F, false, true);
+                }
+            }
+
+            inst.setParticleDepth(true);
+            inst.setParticleSpawnRange(32);
+            inst.setParticleCulling(true);
+
+            playerIn.swingArm(handIn);
+        }
+        playerIn.getCooldownTracker().setCooldown(this, 20 * 60);
+        return new ActionResult<>(ActionResultType.SUCCESS, stack);
+    }
+}

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

@@ -47,4 +47,5 @@ public final class ModItems {
     public static Item CRIMSON_MEAL;
     public static Item DEATH_RING;
     public static Item TAINTED_GOLD;
+    public static Item LOOT_FINDER;
 }

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

@@ -28,9 +28,11 @@ public final class ParticleHandler {
     private static final List<Particle> PARTICLES_NO_DEPTH = new ArrayList<>();
     public static boolean depthEnabled = true;
     public static int range = 32;
+    public static boolean culling = true;
 
     public static void spawnParticle(Supplier<Particle> particle, double x, double y, double z) {
         if (Minecraft.getInstance().player.getDistanceSq(x, y, z) <= range * range) {
+            if (culling) {
                 Minecraft mc = Minecraft.getInstance();
                 if (ModConfig.instance.respectVanillaParticleSettings.get()) {
                     ParticleStatus setting = mc.gameSettings.particles;
@@ -42,6 +44,7 @@ public final class ParticleHandler {
                 double setting = ModConfig.instance.particleAmount.get();
                 if (setting < 1 && mc.world.rand.nextDouble() > setting)
                     return;
+            }
 
             if (depthEnabled)
                 PARTICLES.add(particle.get());
@@ -56,6 +59,7 @@ public final class ParticleHandler {
 
         depthEnabled = true;
         range = 32;
+        culling = true;
     }
 
     private static void updateList(List<Particle> particles) {

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

@@ -103,6 +103,11 @@ public class ClientProxy implements IProxy {
         ParticleHandler.range = range;
     }
 
+    @Override
+    public void setParticleCulling(boolean cull) {
+        ParticleHandler.culling = cull;
+    }
+
     @Override
     public <T extends Entity> void registerEntityRenderer(EntityType<T> entityClass, Supplier<IRenderFactory<T>> renderFactory) {
         RenderingRegistry.registerEntityRenderingHandler(entityClass, renderFactory.get());

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

@@ -29,6 +29,8 @@ public interface IProxy {
 
     void setParticleSpawnRange(int range);
 
+    void setParticleCulling(boolean cull);
+
     <T extends Entity> void registerEntityRenderer(EntityType<T> entityClass, Supplier<IRenderFactory<T>> renderFactory);
 
 }

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

@@ -57,6 +57,11 @@ public class ServerProxy implements IProxy {
 
     }
 
+    @Override
+    public void setParticleCulling(boolean cull) {
+
+    }
+
     @Override
     public <T extends Entity> void registerEntityRenderer(EntityType<T> entityClass, Supplier<IRenderFactory<T>> renderFactory) {
 

src/main/java/de/ellpeck/naturesaura/reg/ModRegistry.java

@@ -196,7 +196,8 @@ public final class ModRegistry {
                 new ItemCaveFinder(),
                 new ItemCrimsonMeal(),
                 new ItemDeathRing(),
-                new ItemImpl("tainted_gold")
+                new ItemImpl("tainted_gold"),
+                new ItemLootFinder()
         );
         Helper.populateObjectHolders(ModItems.class, event.getRegistry());
     }