Started on a power bar GUI component

Should be a simple and fast way for any GUI to create a power bar on the
screen

src/dark/core/client/gui/GuiMachineBase.java

@@ -1,6 +1,12 @@
 package dark.core.client.gui;
 
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.util.ResourceLocation;
+import dark.core.common.DarkMain;
 import dark.core.prefab.invgui.GuiBase;
+import dark.core.prefab.invgui.GuiButtonImage;
+import dark.core.prefab.machine.TileEntityMachine;
 
 /** To be used with all machine that have a gui to allow generic settings and feature all all devices
  * 
@@ -8,6 +14,56 @@ import dark.core.prefab.invgui.GuiBase;
 public class GuiMachineBase extends GuiBase
 {
 
+    public static final ResourceLocation TEXTURE = new ResourceLocation(DarkMain.getInstance().DOMAIN, DarkMain.GUI_DIRECTORY + "gui_base_machine.png");
+
+    protected static final int MAX_BUTTON_ID = 3;
+    protected TileEntityMachine tileEntity;
+    protected EntityPlayer entityPlayer;
+
+    public GuiMachineBase(EntityPlayer player, TileEntityMachine tileEntity)
+    {
+        this.tileEntity = tileEntity;
+        this.entityPlayer = player;
+        this.guiSize.y = 380 / 2;
+    }
+
+    @Override
+    public void initGui()
+    {
+        super.initGui();
+        this.buttonList.clear();
+        // Inventory, Should be the Gui the machine opens to unless it has no inventory
+        this.buttonList.add(new GuiButtonImage(0, (this.width - this.guiSize.intX()) / 2 - 22, (this.height - this.guiSize.intY()) / 2 + 0, 3));
+        // Machine settings
+        this.buttonList.add(new GuiButtonImage(1, (this.width - this.guiSize.intX()) / 2 - 22, (this.height - this.guiSize.intY()) / 2 + 22, 0));
+        // About page, should display information about the machines power needs, help information, and tips
+        this.buttonList.add(new GuiButtonImage(2, (this.width - this.guiSize.intX()) / 2 - 22, (this.height - this.guiSize.intY()) / 2 + 44, 2));
+
+    }
+
+    @Override
+    protected void actionPerformed(GuiButton button)
+    {
+        switch (button.id)
+        {
+            case 0:
+            {
+                //TODO open main GUI
+                break;
+            }
+            case 1:
+            {
+                //TODO open second GUI
+                break;
+            }
+            case 2:
+            {
+                //TODO open third GUI
+                break;
+            }
+        }
+    }
+
     @Override
     protected void drawForegroundLayer(int var2, int var3, float var1)
     {

src/dark/core/prefab/invgui/GuiPowerBar.java

@@ -0,0 +1,22 @@
+package dark.core.prefab.invgui;
+
+import universalelectricity.core.vector.Vector2;
+import net.minecraft.client.gui.Gui;
+
+/** When done should be a prefab that can be used to render a power bar on the screen
+ * 
+ * @author DarkGuardsman */
+public class GuiPowerBar extends Gui
+{
+    float currentLevel = 0;
+    float maxLevel = 10;
+
+    protected Vector2 size;
+    protected Vector2 position;
+
+    public GuiPowerBar(int xx, int yy, int width, int height)
+    {
+        this.size = new Vector2(width, height);
+        this.position = new Vector2(xx, yy);
+    }
+}