1 files changed, 86 insertions, 2 deletions

diff --git a/src/main/java/gregtech/common/covers/GT_Cover_LiquidMeter.java b/src/main/java/gregtech/common/covers/GT_Cover_LiquidMeter.java
index 5a0bb2e7d2..9ca2f77d62 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_LiquidMeter.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_LiquidMeter.java
@@ -1,8 +1,14 @@
 package gregtech.common.covers;
 
+import gregtech.api.enums.GT_Values;
+import gregtech.api.gui.GT_GUICover;
+import gregtech.api.gui.widgets.GT_GuiIcon;
+import gregtech.api.gui.widgets.GT_GuiIconCheckButton;
 import gregtech.api.interfaces.tileentity.ICoverable;
+import gregtech.api.net.GT_Packet_TileEntityCover;
 import gregtech.api.util.GT_CoverBehavior;
 import gregtech.api.util.GT_Utility;
+import net.minecraft.client.gui.GuiButton;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraftforge.common.util.ForgeDirection;
 import net.minecraftforge.fluids.Fluid;
@@ -42,9 +48,9 @@ public class GT_Cover_LiquidMeter
 
     public int onCoverScrewdriverclick(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity, EntityPlayer aPlayer, float aX, float aY, float aZ) {
         if (aCoverVariable == 0) {
-            GT_Utility.sendChatToPlayer(aPlayer, trans("054", "Inverted"));
-        } else {
             GT_Utility.sendChatToPlayer(aPlayer, trans("055", "Normal"));
+        } else {
+            GT_Utility.sendChatToPlayer(aPlayer, trans("054", "Inverted"));
         }
         return aCoverVariable == 0 ? 1 : 0;
     }
@@ -80,4 +86,82 @@ public class GT_Cover_LiquidMeter
     public int getTickRate(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity) {
         return 5;
     }
+    /**
+     * GUI Stuff
+     */
+
+    @Override
+    public boolean hasCoverGUI() {
+        return true;
+    }
+
+    @Override
+    public Object getClientGUI(byte aSide, int aCoverID, int coverData, ICoverable aTileEntity)  {
+        return new GUI(aSide, aCoverID, coverData, aTileEntity);
+    }
+
+    private class GUI extends GT_GUICover {
+        private final byte side;
+        private final int coverID;
+        private int coverVariable;
+
+        private final static int startX = 10;
+        private final static int startY = 25;
+        private final static int spaceX = 18;
+        private final static int spaceY = 18;
+
+        public GUI(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity) {
+            super(aTileEntity, 176, 107, GT_Utility.intToStack(aCoverID));
+            this.side = aSide;
+            this.coverID = aCoverID;
+            this.coverVariable = aCoverVariable;
+            new GT_GuiIconCheckButton(this, 0, startX + spaceX*0, startY+spaceY*0, GT_GuiIcon.REDSTONE_ON, GT_GuiIcon.REDSTONE_OFF);
+        }
+
+        @Override
+        public void drawExtras(int mouseX, int mouseY, float parTicks) {
+            super.drawExtras(mouseX, mouseY, parTicks);
+            String s2;
+            if (coverVariable == 0)
+                s2 = trans("INVERTED","Inverted");
+            else
+                s2 = trans("NORMAL","Normal");
+
+            this.fontRendererObj.drawString(s2,  startX + spaceX*1, 4+startY+spaceY*0, 0xFF555555);
+        }
+
+        @Override
+        protected void onInitGui(int guiLeft, int guiTop, int gui_width, int gui_height) {
+            updateButtons();
+        }
+
+        public void buttonClicked(GuiButton btn){
+            boolean state = false;
+            if (btn.id == 0)
+                state = ((GT_GuiIconCheckButton) btn).isChecked();
+
+            coverVariable = getNewCoverVariable(btn.id, state);
+            GT_Values.NW.sendToServer(new GT_Packet_TileEntityCover(side, coverID, coverVariable, tile));
+            updateButtons();
+        }
+
+        private void updateButtons(){
+            GuiButton b;
+            for (Object o : buttonList) {
+                b = (GuiButton) o;
+                if(b.id == 0)
+                    ((GT_GuiIconCheckButton) b).setChecked(coverVariable == 0);
+            }
+        }
+
+        private int getNewCoverVariable(int id, boolean buttonState) {
+            if (id == 0) {
+                if (buttonState)
+                    return coverVariable | 0x1;
+                else
+                    return coverVariable & ~0x1;
+            }
+            return coverVariable;
+        }
+    }
 }
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