Fixes for older campaign compatibility issues. #3653
Merged
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Identify the Bug or Feature request
fixes #3645
Description of the Change
The new protobuf code was not accounting for situations where templates values for line templates could be null. Also in pre 1.5.6 there was no way to set the texture for fog so it will be null from campaigns before 1.5.6.
Possible Drawbacks
Hopefully none
Documentation Notes
Fix compatibility issues for some older campaigns with line templates and campaigns last saved in a version before 1.5.6
Release Notes
This change is