function inventoryGUI() {
  if (Oversimplified.DEBUG.showMessages) console.log("Ran inventoryGUI()");
}

guiControl.inventory = {
  screen: "main",
  cursorPosition: 0,
  show: false,
  activateDelay: 0,
}

guiControl.inventory.Draw = function () {
  if (guiControl.inventory && guiControl.inventory.show) {
    guiControl.inventory.activateDelay -= (guiControl.inventory.activateDelay > 0) ? 1 : 0;

    guiControl.drawGUIBackground();

    if (ct_down().down) {
      snd_cursordown.Play();
      guiControl.inventory.cursorPosition++;
    }
    if (ct_up().down) {
      snd_cursordown.Play();
      guiControl.inventory.cursorPosition--;
    }
    
    if (guiControl.inventory.screen == "main") {
      // Limit Cursor
      if (guiControl.inventory.cursorPosition < 0) {
        guiControl.inventory.cursorPosition = 3;
      }
      if (guiControl.inventory.cursorPosition > 3) {
        guiControl.inventory.cursorPosition = 0;
      }

      // Title
      guiControl.drawPixelText("Storage", guiControl.leftBorder - pixel(2), guiControl.topOfBackground, 8, "black", 6);

      guiControl.drawPageArrow("left", pixel(4), guiControl.topOfBackground);
      guiControl.drawPageArrow("right", OS.camera.width - pixel(4) - pixel(4), guiControl.topOfBackground);

      // Money icon
      guiControl.drawIcon(7, 2, guiControl.leftBorder, guiControl.rowTop(0));
      guiControl.drawPixelText(G.inventory.moneyDisplay(), guiControl.leftBorder + pixel(guiControl.iconSize + 4), guiControl.rowTop(0) + pixel(), 8, "black", 6);
      // Cargo icon
      guiControl.drawIcon(1, 0, guiControl.leftBorder, guiControl.rowTop(1));
      guiControl.drawPixelText(G.inventory.CargoTotal().toString(), guiControl.leftBorder + pixel(guiControl.iconSize + 4), guiControl.rowTop(1) + pixel(), 8, "black", 6);
      // Stats icon
      // guiControl.drawIcon(9, 2, guiControl.leftBorder, guiControl.rowTop(2));
      guiControl.drawPixelText("Status", guiControl.leftBorder, guiControl.rowTop(2) + pixel(), 8, "black", 6);
      
      // Close Text
      guiControl.drawPixelText("Close", guiControl.leftBorder, guiControl.rowTop(3) + pixel(), 8, "black", 6);
      
      // Draw cursor
      guiControl.drawCursor(guiControl.leftBorder - (guiControl.iconScaled), guiControl.rowTop(guiControl.inventory.cursorPosition));

      // Button Action
      if (guiControl.inventory.activateDelay <= 0) {
        if (ct_confirm().down) {
          switch (guiControl.inventory.cursorPosition) {
            case 0: {
              snd_select.Play();
              guiControl.inventory.screen = "money";
							break;
						}
            case 1: {
              snd_select.Play();
              guiControl.inventory.screen = "cargo";
							break;
						}
            case 2: {
              snd_select.Play();
              guiControl.inventory.screen = "status";
							break;
						}
            default: {
              snd_cursorup.Play();
              guiControl.inventory.show = false;
							break;
						}
          }

          guiControl.inventory.cursorPosition = 0;
          guiControl.inventory.activateDelay = 5;
        }
        if (ct_cancel().down) {
          snd_cursorup.Play();
          guiControl.inventory.show = false;
        }
        if (ct_left().down) {
          snd_cursordown.Play();
          guiControl.inventory.show = false;
          guiControl.map.activateDelay = 5;
          guiControl.map.show = true;
        }
        if (ct_right().down) {
          snd_cursordown.Play();
          guiControl.inventory.show = false;
          guiControl.map.activateDelay = 5;
          guiControl.map.show = true;
        }
      }
    }
    else if (guiControl.inventory.screen == "money") {
      // Limit Cursor
      if (guiControl.inventory.cursorPosition < 0) {
        guiControl.inventory.cursorPosition = 0;
      }
      if (guiControl.inventory.cursorPosition > 0) {
        guiControl.inventory.cursorPosition = 0;
      }

      // Title
      guiControl.drawPixelText("Money", guiControl.leftBorder + pixel(3), guiControl.topOfBackground, 8, "black", 6);

      guiControl.drawPixelText("Actual Amt", guiControl.leftBorder - pixel(5), guiControl.rowTop(0) + pixel(), 10, "black", 4);
      // Money icon
      guiControl.drawIcon(7, 2, guiControl.leftBorder - pixel(5), guiControl.rowTop(1) - pixel(3));
      guiControl.drawPixelText(G.inventory.money.toString(), guiControl.leftBorder - pixel(5) + pixel(guiControl.iconSize + 2), guiControl.rowTop(1) + pixel(2) - pixel(3), 10, "black", 4);
      
      // Back Text
      guiControl.drawPixelText("Back", guiControl.leftBorder, guiControl.rowTop(4) - pixel(3), 8, "black", 6);
      
      // Draw cursor
      guiControl.drawCursor(guiControl.leftBorder - (guiControl.iconScaled), guiControl.rowTop(4) - pixel(4));

      // Button Action
      if (guiControl.inventory.activateDelay <= 0) {
        if (ct_confirm().down || ct_cancel().down) {
          snd_cursorup.Play();
          guiControl.inventory.screen = "main";
          guiControl.inventory.activateDelay = 5;
          guiControl.inventory.cursorPosition = 0;
        }
      }
    }
    else if (guiControl.inventory.screen == "cargo") {
      // Limit Cursor
      if (guiControl.inventory.cursorPosition < 0) {
        guiControl.inventory.cursorPosition = 0;
      }
      if (guiControl.inventory.cursorPosition > 0) {
        guiControl.inventory.cursorPosition = 0;
      }

      // Title
      guiControl.drawPixelText("Cargo", guiControl.leftBorder + pixel(3), guiControl.topOfBackground, 8, "black", 6);

      // Cargo icons
      var cargo = G.inventory.CheckCargo();  // Contains the item ids that have more than 1 item
      for (var i = 0; i < cargo.length; i++) {
        guiControl.drawItem(cargo[i], guiControl.leftBorder, guiControl.rowTop(i));
        guiControl.drawPixelText(G.inventory.cargo[cargo[i]], guiControl.leftBorder + pixel(guiControl.iconSize + 4), guiControl.rowTop(i) + pixel(), 8, "black", 6);
      }

      // Back Text
      guiControl.drawPixelText("Back", guiControl.leftBorder, guiControl.rowTop(4) - pixel(3), 8, "black", 6);
      
      // Draw cursor
      guiControl.drawCursor(guiControl.leftBorder - (guiControl.iconScaled), guiControl.rowTop(4) - pixel(4));

      // Button Action
      if (guiControl.inventory.activateDelay <= 0) {
        if (ct_confirm().down || ct_cancel().down) {
          snd_cursorup.Play();
          guiControl.inventory.screen = "main";
          guiControl.inventory.activateDelay = 5;
          guiControl.inventory.cursorPosition = 1;
        }
      }
    }
    else if (guiControl.inventory.screen == "status") {
      // Limit Cursor
      if (guiControl.inventory.cursorPosition < 0) {
        guiControl.inventory.cursorPosition = 0;
      }
      if (guiControl.inventory.cursorPosition > 0) {
        guiControl.inventory.cursorPosition = 0;
      }

      // guiControl.drawPageArrow("left", pixel(4), guiControl.topOfBackground);
      // guiControl.drawPageArrow("right", OS.camera.width - pixel(4) - pixel(4), guiControl.topOfBackground);

      // Title
      guiControl.drawPixelText("Status", guiControl.leftBorder + pixel(), guiControl.topOfBackground, 8, "black", 6);

      // Illness icon
      guiControl.drawIcon(4, 1, guiControl.leftBorder - pixel(6), guiControl.rowTop(0));
      guiControl.drawPixelText(G.stats.illness.toString(), guiControl.leftBorder - pixel(6) + (guiControl.iconScaled + pixel(2)), guiControl.rowTop(0) + pixel(2), 2, "black", 4);
      
      guiControl.drawPixelText("This will show more data when stati can change.", guiControl.leftBorder - pixel(5), guiControl.rowTop(1), 10, "black", 4);
      /*// Energy icon
      guiControl.drawIcon(9, 2, guiControl.leftBorder - pixel(5), guiControl.rowTop(0) - pixel(3));
      guiControl.drawPixelText(G.stats.energy.toString(), guiControl.leftBorder - pixel(5) + pixel(guiControl.iconSize + 2), guiControl.rowTop(1) + pixel(2) - pixel(3), 2, "black", 4);
      // Illness icon
      guiControl.drawIcon(4, 1, guiControl.leftBorder - pixel(5) + pixel(24), guiControl.rowTop(1) - pixel(3));
      guiControl.drawPixelText(G.stats.illness.toString(), guiControl.leftBorder - pixel(5) + pixel(24) + pixel(guiControl.iconSize + 2), guiControl.rowTop(1) + pixel(2) - pixel(3), 2, "black", 4);

      // Yes/No options
      guiControl.drawPixelText("No", guiControl.leftBorder, guiControl.rowTop(2) - pixel(3), 3, "black", 6);
      guiControl.drawPixelText("Yes", guiControl.leftBorder, guiControl.rowTop(3) - pixel(3), 3, (G.inventory.supplies > 0 && G.stats.illness > 0) ? "black" : "white", 6);
      */
      // Back Text
      guiControl.drawPixelText("Back", guiControl.leftBorder, guiControl.rowTop(4) - pixel(3), 8, "black", 6);
      
      // Draw cursor
      guiControl.drawCursor(guiControl.leftBorder - (guiControl.iconScaled), guiControl.rowTop(4) - pixel(3));

      // Button Action
      if (guiControl.inventory.activateDelay <= 0) {
        if (ct_confirm().down || ct_cancel().down) {
          snd_cursorup.Play();
          guiControl.inventory.screen = "main";
          guiControl.inventory.activateDelay = 5;
          guiControl.inventory.cursorPosition = 2;  // The position where "Supplies" is on main screen.
        }
      }
    }
  }
}