Resolve "Add constants enabled texture units to pass to the set_textures_enabled() bitmask"

Luke Bensteadrequested to merge
363-texture-constants into master

Summary of Changes Introduced

  • Add DIFFUSE_MAP_ENABLED, LIGHT_MAP_ENABLED, SPECULAR_MAP_ENABLED, NORMAL_MAP_ENABLED

PR Checklist

  • I have documented any user-visible changes to the code in the documentation folder
  • I agree that the changes introduced in this PR are licensed under the LGPL-3.0 license (Why?)
  • I have added applicable tests, or at least not introduced any failures

Closes #363 (closed)

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