RPG Dialog System

<?xml version="1.0" ?>
<!--Valid checks:
    HasQuest
    AttribLess
    AttribGreat
    DiscLess
    DiscGreat
    HasItem
-->

<!--The root node is the entry point to the dialog.
It is quite complex, because it is like the trunk of the tree.
 -->
<dialog>
<node id="root">
    <!--First line matching check will be displayed -->
    <line check="HasQuest" value="defend-getgear" eval="no" replies="1">Hey! What side are you?</line>
    <line check="HasQuest" value="defend-getgear" eval="active" replies="1">What are you waiting for! Get the stuff and report to me!</line>
    <line check="HasQuest" value="defend-getgear" eval="complete" replies="1">Great, you got the stuff! Now you need some healing pots. Go with Bubbles, our alchemist. He is right there in front of me.</line>
 </node>
<replies id="1">
    <!--If an option doesnt passes check, it is not displayed -->
    <option link="side1">Side? didnt knew I had to choose a side.</option>
    <option link="side2">Im with the winner side.</option>
</replies>

<node id="side1">
    <line replies="s1-rep">We are about to be attacked by demons. Are you with us or with them?</line>
</node>

<replies id="s1-rep">
<option link="side1">Im with myself.</option>
<option link="side1">As Im inside the castle, I suppose that means Im against them, dont you think?</option>
</replies>

<node id="side2">
    <line replies="s2-rep">Strong spirit... I am the winning side.</line>
</node>

<replies id="s2-rep">
<option link="side-accept">Then we are in the same team.</option>
</replies>

</dialog>