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TCArknight
Senior Member
 
Join Date: Jan 2007
Location: NW Arkansas
Posts: 1,301

Old August 15th, 2022, 01:33 PM
Howdy all!

I'm playing around with a dataset where improving Attributes and Skills has a varying cost based on the level of the Trait.

For Attributes, the XP cost of an advance is twice the next level (Current is 9, going to 10 costs 20 points, then to 11 is 22 (for 42 total to go from 9->11). Skills are the next level for cost (current is 1, going to 2 is 2, then to 3 is another 3 for 5 total to go from 1-3).

However, when I take a second advance for the same Trait (whether it's Attribute or Skill) both advances take the most recent cost. So, above would be fine with the first advance to the Attribute, the cost is 20. As soon as I take the second advance, the previous advance to the attribute takes on the new cost of 22, and the new advance is 22 as well.

There's a simple solution to this I know, but I'm drawing a blank... Anyone see a solution?

Trait (XP Fields):
Code:
 	  
    <field
      id="trtAdvBonus"
      name="Advancement Bonus Value"
      type="derived">
	  <!-- Calculate the final value from the three distinct pieces -->
      <calculate phase="Traits" priority="2950" name=""><![CDATA[

        @value = tagcount[Helper.Advancement]
		
        ]]></calculate>
      </field>
   <field
      id="trtXPCurr"
      name="XP For Current Point/Add"
      type="derived">
	  <!-- Calculate the xp cost based on the trtUser -->
      <calculate phase="Traits" priority="3050" name="Calc trtXPCurr"><![CDATA[
		var nextAdd as number
	    var nextCost as number
		
        ~ Attribute Cost
		if (tagis[component.Attribute] <> 0) then
		  nextAdd = field[trtUser].value + field[trtAdvBonus].value
	      nextCost = 2 * nextAdd
		elseif (tagis[component.Skill] <> 0) then
		  nextAdd = field[trtUser].value + field[trtAdvBonus].value
	      nextCost = nextAdd
		  endif
		  
		@value = nextCost
		
        ]]></calculate>
      </field>
    <!-- In-play bonuses applied to the trait -->
    <field
      id="trtXPNext"
      name="XP For Next Point/Add"
      type="derived">
	  <!-- Calculate the xp cost based on the trtUser -->
      <calculate phase="Traits" priority="3050" name="Calc trtXPNext"><![CDATA[
		var nextAdd as number
	    var nextCost as number
		
        ~ Attribute Cost
		if (tagis[component.Attribute] <> 0) then
		  nextAdd = field[trtUser].value + field[trtAdvBonus].value + 1
	      nextCost = 2 * nextAdd
		elseif (tagis[component.Skill] <> 0) then
		  nextAdd = field[trtUser].value + field[trtAdvBonus].value + 1
	      nextCost = nextAdd
		  endif
		  
		@value = nextCost
		
        ]]></calculate>
      </field>
CanAdvance Component:
Code:
    <eval index="2" phase="Traits" priority="2900"><![CDATA[
      ~we only worry about this on actual advances - not traits added at creation
      doneif (tagis[Advance.Gizmo] = 0)

      ~apply any appropriate increase or decrease for the linked trait
      ~Note: This pick is a child of the gizmo and our parent pick is the actual "Advance"
      ~       pick that contains the appopriate "Advance" tag, so be sure to check there.
      ~Note: Since the advancement is displaced to the hero, it's "parent" is *not* the
      ~       gizmo, so we must explicitly reference through the "origin" container.
	  
      if (origin.parent.tagis[Advance.Increase] > 0) then
	    ~ origin.parent.field[advCost].value += linkage[basis].field[trtXPNext].value
		
        perform linkage[basis].assign[Helper.Advancement]
		
		endif

      ]]></eval>

    <eval index="3" phase="Traits" priority="3060"><![CDATA[
      ~we only worry about this on actual advances - not traits added at creation
      doneif (tagis[Advance.Gizmo] = 0)
      
	  var currCost as number
	  notify linkage[basis].field[name].text & " This Cost: " & linkage[basis].field[trtXPCurr].value
	  
	  currCost = linkage[basis].field[trtXPCurr].value
	  
      ~apply any appropriate increase or decrease for the linked trait
      origin.parent.field[advCost].value += currCost


      ]]></eval>
Advance Component:
Code:
    <eval index="1" phase="Traits" priority="3200">
        <after name="Calc trtXPNext"/><![CDATA[
      #resspent[resXP] += field[advCost].value
      ]]></eval>

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