From 64660d2d282c620e36abf262cc26f49486b7d903 Mon Sep 17 00:00:00 2001
From: Nick <speedynutty68@gmail.com>
Date: Mon, 8 Feb 2016 13:49:40 -0800
Subject: [PATCH] Comparator support for Blood Altar

Default behavior is to check the amount of LP currently inside the Altar. To modify the behavior to check the amount of LP in a network (As it did in 1.7.10), place a Blood Stone Brick (either kind) directly underneath the altar.
---
 .../bloodmagic/block/BlockAltar.java          | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/src/main/java/WayofTime/bloodmagic/block/BlockAltar.java b/src/main/java/WayofTime/bloodmagic/block/BlockAltar.java
index f49f4675..2164ce45 100644
--- a/src/main/java/WayofTime/bloodmagic/block/BlockAltar.java
+++ b/src/main/java/WayofTime/bloodmagic/block/BlockAltar.java
@@ -4,8 +4,13 @@ import WayofTime.bloodmagic.BloodMagic;
 import WayofTime.bloodmagic.api.Constants;
 import WayofTime.bloodmagic.api.altar.IAltarManipulator;
 import WayofTime.bloodmagic.api.iface.IAltarReader;
+import WayofTime.bloodmagic.api.iface.IBindable;
+import WayofTime.bloodmagic.api.network.SoulNetwork;
+import WayofTime.bloodmagic.api.orb.IBloodOrb;
+import WayofTime.bloodmagic.api.util.helper.NetworkHelper;
 import WayofTime.bloodmagic.tile.TileAltar;
 import WayofTime.bloodmagic.util.Utils;
+import com.google.common.base.Strings;
 import net.minecraft.block.BlockContainer;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.state.IBlockState;
@@ -30,6 +35,52 @@ public class BlockAltar extends BlockContainer
         setHarvestLevel("pickaxe", 2);
     }
 
+    @Override
+    public boolean hasComparatorInputOverride()
+    {
+        return true;
+    }
+
+    @Override
+    public int getComparatorInputOverride(World world, BlockPos pos)
+    {
+        if (world.isRemote)
+            return 0;
+
+        TileEntity tile = world.getTileEntity(pos);
+
+        if (tile != null && tile instanceof TileAltar)
+        {
+            TileAltar altar = (TileAltar) tile;
+            ItemStack orbStack = altar.getStackInSlot(0);
+
+            if (world.getBlockState(pos.down()).getBlock() instanceof BlockBloodStoneBrick)
+            {
+                if (orbStack != null && orbStack.getItem() instanceof IBloodOrb && orbStack.getItem() instanceof IBindable)
+                {
+                    IBloodOrb bloodOrb = (IBloodOrb) orbStack.getItem();
+                    IBindable bindable = (IBindable) orbStack.getItem();
+                    if (!Strings.isNullOrEmpty(bindable.getOwnerUUID(orbStack)))
+                    {
+                        SoulNetwork soulNetwork = NetworkHelper.getSoulNetwork(bindable.getOwnerUUID(orbStack));
+
+                        int maxEssence = bloodOrb.getMaxEssence(orbStack.getItemDamage());
+                        int currentEssence = soulNetwork.getCurrentEssence();
+                        int level = currentEssence * 15 / maxEssence;
+                        return Math.min(15, level) % 16;
+                    }
+                }
+            } else {
+                int maxEssence = altar.getCapacity();
+                int currentEssence = altar.getCurrentBlood();
+                int level = currentEssence * 15 / maxEssence;
+                return Math.min(15, level) % 16;
+            }
+        }
+
+        return 0;
+    }
+
     @Override
     public boolean isOpaqueCube()
     {