Display active machines in controller.

src/main/java/refinedstorage/gui/GuiController.java

@@ -1,8 +1,13 @@
 package refinedstorage.gui;
 
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.RenderHelper;
+import net.minecraft.item.ItemStack;
 import refinedstorage.container.ContainerController;
 import refinedstorage.gui.sidebutton.SideButtonRedstoneMode;
 import refinedstorage.tile.TileController;
+import refinedstorage.tile.TileMachine;
 
 public class GuiController extends GuiBase
 {
@@ -11,7 +16,9 @@ public class GuiController extends GuiBase
 	private int barX = 8;
 	private int barY = 20;
 	private int barWidth = 16;
-	private int barHeight = 58;
+	private int barHeight = 59;
+
+	private Scrollbar scrollbar = new Scrollbar(157, 20, 12, 59);
 
 	public GuiController(ContainerController container, TileController controller)
 	{
@@ -29,6 +36,7 @@ public class GuiController extends GuiBase
 	@Override
 	public void update(int x, int y)
 	{
+		scrollbar.setCanScroll(getRows() > getVisibleRows());
 	}
 
 	@Override
@@ -41,19 +49,72 @@ public class GuiController extends GuiBase
 		int barHeightNew = (int) ((float) controller.getEnergyStored(null) / (float) controller.getMaxEnergyStored(null) * (float) barHeight);
 
 		drawTexture(x + barX, y + barY + barHeight - barHeightNew, 178, 0 + (barHeight - barHeightNew), barWidth, barHeightNew);
+
+		scrollbar.draw(this);
 	}
 
 	@Override
 	public void drawForeground(int mouseX, int mouseY)
 	{
+		scrollbar.update(this, mouseX, mouseY);
+
 		drawString(7, 7, t("gui.refinedstorage:controller." + controller.getType().getId()));
 		drawString(7, 87, t("container.inventory"));
 
-		drawString(31, 20, t("misc.refinedstorage:energy_usage", controller.getEnergyUsage()));
+		int x = 33;
+		int y = 26;
+
+		int slot = getOffset() * 2;
+
+		RenderHelper.enableGUIStandardItemLighting();
+
+		for (int i = 0; i < 4; ++i)
+		{
+			if (slot < controller.getMachines().size())
+			{
+				TileMachine machine = controller.getMachines().get(slot);
+				IBlockState machineState = machine.getWorld().getBlockState(machine.getPos());
+				Block machineBlock = machineState.getBlock();
+
+				ItemStack machineStack = new ItemStack(machineBlock, 1, machineBlock.getMetaFromState(machineState));
+
+				drawItem(x, y, machineStack);
+				drawString(x + 21, y + 5, t("misc.refinedstorage:energy_usage_minimal", machine.getEnergyUsage()));
+			}
+
+			if (i == 1)
+			{
+				x = 33;
+				y += 30;
+			}
+			else
+			{
+				x += 60;
+			}
+
+			slot++;
+		}
 
 		if (inBounds(barX, barY, barWidth, barHeight, mouseX, mouseY))
 		{
-			drawTooltip(mouseX, mouseY, t("misc.refinedstorage:energy_stored", controller.getEnergyStored(null), controller.getMaxEnergyStored(null)));
+			drawTooltip(mouseX, mouseY, t("misc.refinedstorage:energy_usage", controller.getEnergyUsage()) + "\n" + t("misc.refinedstorage:energy_stored", controller.getEnergyStored(null), controller.getMaxEnergyStored(null)));
 		}
 	}
+
+	public int getOffset()
+	{
+		return (int) (scrollbar.getCurrentScroll() / 59f * (float) getRows());
+	}
+
+	private int getRows()
+	{
+		int max = (int) Math.ceil((float) controller.getMachines().size() / (float) 2);
+
+		return max < 0 ? 0 : max;
+	}
+
+	private int getVisibleRows()
+	{
+		return 2;
+	}
 }

src/main/java/refinedstorage/gui/GuiGrid.java

@@ -12,7 +12,6 @@ import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.init.SoundEvents;
 import net.minecraft.inventory.Slot;
-import org.lwjgl.input.Mouse;
 import refinedstorage.RefinedStorage;
 import refinedstorage.block.EnumGridType;
 import refinedstorage.container.ContainerGrid;
@@ -66,24 +65,6 @@ public class GuiGrid extends GuiBase
 	public void update(int x, int y)
 	{
 		scrollbar.setCanScroll(getRows() > getVisibleRows());
-
-		if (scrollbar.canScroll())
-		{
-			int wheel = Mouse.getDWheel();
-
-			wheel = Math.max(Math.min(-wheel, 1), -1);
-
-			float delta = 20;
-
-			if (wheel == -1)
-			{
-				scrollbar.setCurrentScroll(scrollbar.getCurrentScroll() - delta);
-			}
-			else if (wheel == 1)
-			{
-				scrollbar.setCurrentScroll(scrollbar.getCurrentScroll() + delta);
-			}
-		}
 	}
 
 	public int getOffset()

src/main/java/refinedstorage/gui/Scrollbar.java

@@ -73,6 +73,21 @@ public class Scrollbar
 		}
 		else
 		{
+			int wheel = Mouse.getDWheel();
+
+			wheel = Math.max(Math.min(-wheel, 1), -1);
+
+			float delta = 15;
+
+			if (wheel == -1)
+			{
+				setCurrentScroll(currentScroll - delta);
+			}
+			else if (wheel == 1)
+			{
+				setCurrentScroll(currentScroll + delta);
+			}
+
 			boolean down = Mouse.isButtonDown(0);
 
 			if (!wasClicking && down && gui.inBounds(x, y, scrollbarWidth, scrollbarHeight, mouseX, mouseY))

src/main/java/refinedstorage/tile/TileController.java

@@ -413,6 +413,21 @@ public class TileController extends TileBase implements IEnergyReceiver, INetwor
 		{
 			items.add(new StorageItem(buf));
 		}
+
+		machines.clear();
+
+		size = buf.readInt();
+
+		for (int i = 0; i < size; ++i)
+		{
+			TileEntity tile = worldObj.getTileEntity(new BlockPos(buf.readInt(), buf.readInt(), buf.readInt()));
+
+			if (tile instanceof TileMachine)
+			{
+				machines.add((TileMachine) tile);
+			}
+		}
+
 	}
 
 	@Override
@@ -429,5 +444,14 @@ public class TileController extends TileBase implements IEnergyReceiver, INetwor
 		{
 			item.toBytes(buf, items.indexOf(item));
 		}
+
+		buf.writeInt(machines.size());
+
+		for (TileMachine machine : machines)
+		{
+			buf.writeInt(machine.getPos().getX());
+			buf.writeInt(machine.getPos().getY());
+			buf.writeInt(machine.getPos().getZ());
+		}
 	}
 }

src/main/java/refinedstorage/tile/TileDetector.java

@@ -44,7 +44,7 @@ public class TileDetector extends TileMachine implements ICompareSetting
 	@Override
 	public int getEnergyUsage()
 	{
-		return 4;
+		return 3;
 	}
 
 	@Override

src/main/java/refinedstorage/tile/TileGrid.java

@@ -52,7 +52,7 @@ public class TileGrid extends TileMachine
 	@Override
 	public int getEnergyUsage()
 	{
-		return 5;
+		return 4;
 	}
 
 	@Override

src/main/java/refinedstorage/tile/TileInterface.java

@@ -25,7 +25,7 @@ public class TileInterface extends TileMachine implements ICompareSetting, ISide
 	@Override
 	public int getEnergyUsage()
 	{
-		return 5;
+		return 4;
 	}
 
 	@Override

src/main/java/refinedstorage/tile/TileStorage.java

@@ -45,7 +45,7 @@ public class TileStorage extends TileMachine implements IStorageProvider, IStora
 	@Override
 	public int getEnergyUsage()
 	{
-		return 1;
+		return 3;
 	}
 
 	@Override

src/main/java/refinedstorage/tile/TileWirelessTransmitter.java

@@ -26,7 +26,7 @@ public class TileWirelessTransmitter extends TileMachine implements IInventory
 	@Override
 	public int getEnergyUsage()
 	{
-		return 4;
+		return 3;
 	}
 
 	@Override