Fixed emitting redstone on one side providing weak power to all other sides.

src/main/java/li/cil/oc2/common/block/ComputerBlock.java

@@ -31,6 +31,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.text.ITextComponent;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
@@ -94,6 +95,11 @@ public final class ComputerBlock extends HorizontalBlock {
         return getWeakPower(state, world, pos, side);
     }
 
+    @Override
+    public boolean shouldCheckWeakPower(final BlockState state, final IWorldReader world, final BlockPos pos, final Direction side) {
+        return false;
+    }
+
     @SuppressWarnings("deprecation")
     @Override
     public void neighborChanged(final BlockState state, final World world, final BlockPos pos, final Block changedBlock, final BlockPos changedBlockPos, final boolean isMoving) {

src/main/java/li/cil/oc2/common/block/RedstoneInterfaceBlock.java

@@ -13,6 +13,7 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 
 import javax.annotation.Nullable;
 
@@ -61,6 +62,11 @@ public final class RedstoneInterfaceBlock extends HorizontalBlock {
         return super.getWeakPower(state, world, pos, side);
     }
 
+    @Override
+    public boolean shouldCheckWeakPower(final BlockState state, final IWorldReader world, final BlockPos pos, final Direction side) {
+        return false;
+    }
+
     @SuppressWarnings("deprecation")
     @Override
     public int getStrongPower(final BlockState state, final IBlockReader world, final BlockPos pos, final Direction side) {