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ModLoader 10 Changes

  • Conditional ModOps
  • Groups
  • Disable warnings with AllowNoMatch
  • Include Skip and Mod Relative Paths
  • Copy Existing Nodes with Content
  • > and < in Path
  • Changed Merge Behavior
  • Loading Order

Conditional ModOps

You can use conditions to skip ModOps. The ModOp will only be executed when nodes with the path in Condition are found - or none exist if you start with !.

<ModOp Type="addNextSibling" GUID="190886"
       Condition="!//Values[Standard/GUID='1500010714']">
  <Asset>
    <Template>ItemEffectTargetPool</Template>
    <Values>
      <Standard>
        <GUID>1500010714</GUID>
        <Name>all sand mines</Name>
      </Standard>
      <ItemEffectTargetPool>
        <EffectTargetGUIDs />
      </ItemEffectTargetPool>
    </Values>
  </Asset>
</ModOp>

Before you had to always add, remove the duplicate and deal with warnings.

  <ModOp Type="addNextSibling" GUID="190886">
    <Asset>
      <!-- 2nd duplicate to ensure there's always
           at least one to remove afterwards to avoid warnings -->
      <Template>ItemEffectTargetPool</Template>
      <Values>
        <Standard>
          <GUID>1500010714</GUID>
          <Name>duplicate</Name>
        </Standard>
      </Values>
    </Asset>
    <Asset>
      <Template>ItemEffectTargetPool</Template>
      <Values>
        <Standard>
          <GUID>1500010714</GUID>
          <Name>all sand mines</Name>
        </Standard>
        <ItemEffectTargetPool>
          <EffectTargetGUIDs />
        </ItemEffectTargetPool>
      </Values>
    </Asset>
  </ModOp>
  <!-- remove duplicates -->
  <ModOp Type="remove"
         Path="//Asset[Values/Standard/GUID='1500010714'][position() < last()]"/>

Conditional Includes

Conditions also work for includes.

<Include File="/products/cheese/assets.include.xml"
         Condition="!//Values[Standard/GUID='1500010102']" />

Groups

You can now also group your ModOps for combined Skip or Condition use. They basically behave the same was as Include except you don't need an extra file.

<Group Condition="">
  <ModOp />
  <ModOp />
</Group>

Disable warnings with AllowNoMatch

Disable match not found warnings. Useful if you want to add items, but only if they don't exist.

Adding a product only once to a list with AllowNoMatch:

<ModOp Type="add" GUID="120055"
       Path="/Values/ProductStorageList/ProductList[not(Item/Product='1500010102')]"
       AllowNoMatch="1">
  <Item>
    <Product>1500010102</Product>
  </Item>
</ModOp>

The same without AllowNoMatch while dealing with warnings:

<ModOp Type="addNextSibling" GUID="120055">
  <Asset>
    <Template>fallback</Template>
    <Values>
      <Standard>
        <GUID>1500010221</GUID>
      </Standard>
      <ProductStorageList>
        <ProductList>
          <Item />
        </ProductList>
      </ProductStorageList>
    </Values>
  </Asset>
</ModOp>
<ModOp Type="add" GUID="120055"
       Path="/Values/ProductStorageList/ProductList[not(Item/Product='1500010102')] | //Values[Standard/GUID='1500010221']/ProductStorageList/ProductList">
  <Item>
    <Product>1500010102</Product>
  </Item>
</ModOp>
<ModOp Type="remove" GUID="1500010221"/>

Include Skip and Mod Relative Paths

The Skip attribute is now also supported on Include operations.

And you don't need to use endless ../../ anymore if you want to point to top-level files in your mod. If you start with / the path is treated as relative to your mod folder.

<ModOps>
  <Include File="/feature.include.xml" Skip="1" />
</ModOps>

Note: the skip happens when the attribute Skip is present. It doesn't matter if you write Skip="1", Skip="True" or even Skip="0" - all of them lead to skipping the include.

Copy Existing Nodes with Content

<ModOp Type="replace" GUID="1500010225"
       Path="/Properties/Building/InfluencedVariationDirection"
       Content="//Values[Standard/GUID='1500010200']/Building/InfluencedVariationDirection" />

&gt; and &lt; in Path

< and > are illegal characters in XML attributes. While it works, you get annoying errors if you use XML validation.

Now you can work with escape sequences &gt; and &lt;:

<ModOp Type="remove" Path="//Asset[Values/Standard/GUID='1500010714'][position() &lt; last()]"/>

Works, but is not correct XML:

<ModOp Type="remove" Path="//Asset[Values/Standard/GUID='1500010714'][position() < last()]"/>

Changed Merge Behavior

Merge is order independent

The order of nodes do not matter anymore for successful merges. Before you had to have the exact same order as the game.

<ModOp GUID="123" Type="merge" Path="/Values/Building">
  <AllowChangeDirection>1</AllowChangeDirection>
  <AllowChangeVariation>1</AllowChangeVariation>
</ModOp>

Result:

<Asset>
  <Values>
    <Standard>
      <GUID>123</GUID>
    </Standard>
    <Building>
-     <AllowChangeVariation>0</AllowChangeVariation>
-     <AllowChangeDirection>0</AllowChangeDirection>
+     <AllowChangeVariation>1</AllowChangeVariation>
+     <AllowChangeDirection>1</AllowChangeDirection>
    </Building>
  </Values>
</Asset>

Merge adds missing nodes

<ModOp GUID="123" Type="merge" Path="/Values/Building">
  <AllowChangeVariation>1</AllowChangeVariation>
  <BuildModeStartVariation>0</BuildModeStartVariation>
</ModOp>

Result:

<Asset>
  <Values>
    <Standard>
      <GUID>123</GUID>
    </Standard>
    <Building>
-     <AllowChangeVariation>0</AllowChangeVariation>
+     <AllowChangeVariation>1</AllowChangeVariation>
+     <BuildModeStartVariation>0</BuildModeStartVariation>
    </Building>
  </Values>
</Asset>

Merge top-level container like replace

If you have exactly one content node named the same as the last path element it will be skipped and it's content merged into the path node.

<ModOp GUID="123" Type="merge" Path="/Values/Building">
  <Building>
    <AllowChangeVariation>1</AllowChangeVariation>
  </Building>
</ModOp>

This behavior is kept to ensure backwards compatibility. The recommended way is to omit that container node:

<ModOp GUID="123" Type="merge" Path="/Values/Building">
  <AllowChangeVariation>1</AllowChangeVariation>
</ModOp>

Merge is strict

The following ModOp doesn't update AllowChangeVariation anymore. Yes, it did before... It will instead add the node to Values.

<ModOp GUID="123" Type="merge" Path="/Values">
  <AllowChangeVariation>1</AllowChangeVariation>
  <Building>
    <BuildModeStartVariation>0</BuildModeStartVariation>
  </Building>
</ModOp>

Result:

<Asset>
  <Values>
    <Standard>
      <GUID>123</GUID>
    </Standard>
    <Building>
      <AllowChangeVariation>0</AllowChangeVariation>
+     <BuildModeStartVariation>0</BuildModeStartVariation>
    </Building>
+   <AllowChangeVariation>1</AllowChangeVariation>
  </Values>
</Asset>

Merge doesn't work with same name nodes

Merging with multiple same name nodes (usually Item) is not supported anymore.

Relying on index is prone to compatibility issues.

<ModOp Type="merge" GUID="100780" Path="/Values/Maintenance">
  <Maintenances>
    <Item>
      <Product>1010017</Product>
      <Amount>50000</Amount>
      <InactiveAmount>30000</InactiveAmount>
    </Item>
    <Item>
      <Product>1010367</Product>
      <Amount>50</Amount>
    </Item>
  </Maintenances>
</ModOp>

Do individual merges instead:

<ModOp Type="merge" GUID="100780" Path="/Values/Maintenance/Maintenances/Item[Product='1010017']">
  <Product>1010017</Product>
  <Amount>50000</Amount>
  <InactiveAmount>30000</InactiveAmount>
</ModOp>
<ModOp Type="merge" GUID="100780" Path="/Values/Maintenance/Maintenances/Item[Product='1010367']">
  <Product>1010367</Product>
  <Amount>50</Amount>
</ModOp>

Error on missing dependency

Mods mentioned in ModDependencies but not available and active in the mods/ will print an error in the logs now.

Loading order

You can specificy LoadAfterIds in modinfo.json now to load your mod after another.

No warning will printed if the mentioned mod is not available. Use ModDependencies to signal required mods.

{
  "ModID": "ModC",
  "LoadAfterIds": [
    "ModA",
    "ModB"
  ]
}
{
  "ModID": "PostB",
  "LoadAfterIds": [
    "*",
    "PostA"
  ]
}

The order is as follows:

  1. Mods with LoadAfterIds but without * following the order. Alphabetically order is ignored.
  2. Mods without LoadAfterIds loaded alphabetically.
  3. Mods with * loaded in order of LoadAfterIds.

A mod without a * cannot load after a mod with a *.

Note: Step 2 ensures previous behavior as long as there's no LoadAfterIds.

Mods in sub-folders

- mods/
  - Collection/
    - ModA/
      - data/
      - modinfo.json
    - ModB/
      - data/
      - modinfo.json

Collection folders do not act as mods. They don't have activation or ModIDs.

A mod manager may bulk enable/disable based on those folders though...

modinfo.json is required for mods in sub-folders.

Mods in zip files

- mods/
  - Mod.zip/
    - data/
    - modinfo.json
- mods/
  - Collection.zip/
    - ModA/
      - data/
      - modinfo.json
    - ModB/
      - data/
      - modinfo.json

modinfo.json is required for mods in zips.

Shared Mods within Mods

Perfect for shared data. You can version your shared data now to make sure the latest copy across all mods is used.

- mods/
  - ModA/
    - data/
    - modinfo.json
    - SharedMod/
      - data/
      - modinfo.json
  - ModB/
    - data/
    - modinfo.json
    - SharedMod/
      - data/
      - modinfo.json

modinfo.json is required for such mods.

Make part of your mod load at the end

Sub-mods also follow loading order. You can use that fact to add a few ModOps to be executed after other mods, rather than loading your complete mod at the end.

Activation via activation.json in mods folder

With enabling mods in zips an alternative way to deactivate mods is needed.

You can do that now with the following json file in your mods/ folder:

{
  "disabledIds": [
    "ModA",
    "ModB"
  ]
}

ModID from modinfo.json is used, and if not specified the folder name of the mod as a fallback.