Editing May 21 2025 build

{{legit}}{{db}}
This build finishes more of the Texture Manager window, where in-memory textures such as text-to-textures can now be displayed.  It does this by saving the in-memory texture to the file "temp.jpg", and then loading that into the image dialog.  I've also made more fixes to the new native frontend.

In the Skyscraper 2.1 code (master branch), I'm looking into using a serializer or database to export all of the simulator data to, in order to support saved games and also network/multiplayer communication in the future.  So far I've been working with the library Cereal, and it works very well, but requires smart pointers in order to do dependency tracking, which we don't use in Skyscraper yet at least.  Cereal supports outputting the simulator data into binary, XML and JSON formats, with binary being the fastest.  Cereal so far has been easy to use, but if it requires smart pointers, that kind of a change won't make it into Skyscraper 2.0 since the changes would touch nearly everything in the simulator.  Let me know if you have any ideas for this, or if you want to help with the code.

'''Changelog for 2.0:'''
#Added support for displaying in-memory textures, by saving the texture as "temp.jpg" and loading
#(Guide) Fixed elevator cars section
#Native frontend build fixes
#Native frontend runtime fixes
#Disable sleep function on main loop, for native frontend
#Don't use GUI console when GUI is disabled

'''Changelog for 2.1:'''
#started Serializer object (the change was reverted, but is active in a local branch for the time being)

== See also ==
*[[May 11 2025 build|Previous build]] 
*Next build
*[[Development Builds]]

== External links ==
*[https://skyscrapersimulatorforum.createaforum.com/download-skyscraper-simulator/new-build-52125-build/ New build: 5/21/25 build]
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