onCampaignLoad

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onCampaignLoad Macro

• Introduced in version 1.3b51

A special macro that can be created on library tokens to have macro code automatically execute when a campaign is loaded. A campaign is considered to have been loaded if it is opened via the File menu, or upon connecting to a server running that campaign. All output from an onCampaignLoad macro is discarded, when it is executed automatically.

This special macro is ideally suited for loading your User Defined Functions (UDFs) via defineFunction().

When an onCampaignLoad macro is executed automatically, it is considered a Trusted Macro. If you wish to use trusted functions within onCampaignLoad and execute it manually (e.g. while developing macros), you will have to make sure that it follows all of the rules of Trusted Macros.

How to Create an onCampaignLoad Macro

You can create an onCampaignLoad macro on any library token; simply create a macro that is specifically named onCampaignLoad.

The library token must have "Owner: All Players" unchecked, otherwise onCampaignLoad is not executed. To avoid permission issues with called functions, the onCampaignLoad macro should have "Options: Allow Players to Edit Macro" unchecked.

Limitations

• Do not make changes within the onCampaignLoad macro to the library token it resides upon. This is not supported by MapTool. A duplicate lib token can/will appear and this will/can break stuff.
• Some macro functions may not work as expected if run in onCampaignLoad without deferring their execution by using the defer option of execLink().
  • goto(), setZoom() and similar function calls should be placed in a separate macro to be called via execLink()

Example of Deferred Function Calls

Inside the onCampaignLoad macro place code like this:

[h: link = macroLinkText("deferredCalls@"+getMacroLocation())]
[h: execLink(link,1)]

And in the deferredCalls() macro place the functions to be deferred.

[h: goto("2")]
[h: setZoom(2)]