drawString(fontRendererObj, "Guns : " + (selectedType.ammoSlots()), guiOriginX + 82, guiOriginY + 104, 0xffffff);
drawString(fontRendererObj, selectedType.numEngines() + "x", guiOriginX + 100, guiOriginY + 141, 0xffffff);
//Create a temporary copy of the player inventory in order to work out whether the player has each of the itemstacks required
InventoryPlayer temporaryInventory = new InventoryPlayer(null);
temporaryInventory.copyInventory(inventory);
//Draw the recipe items
//Iterate over rows then columns
for(int r = 0; r < 3; r++)
{