@Override
public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player) {
if (!world.isRemote) {
TerminalData terminalData = TerminalData.get(player);
if (!terminalData.isTerminalInstalled()) {
player.addChatMessage(new ChatComponentTranslation("ac.terminal.notinstalled"));
} else if (terminalData.isInstalled(app)) {
player.addChatMessage(
new ChatComponentTranslation("ac.terminal.app_alrdy_installed", app.getDisplayName()));
} else {
if (!player.capabilities.isCreativeMode) stack.stackSize--;
terminalData.installApp(app);
player.addChatMessage(
new ChatComponentTranslation("ac.terminal.app_installed", app.getDisplayName()));
}
}
return stack;
}