No point using BMP, since they're way bigger, and they're not
required for authenticity, since the original files were .cur and
.ico files. At some point, I'd like to support those formats, so this
branch can use the original files.
Now it just outputs big lists of numbers, instead of a proper array.
This allows Resource.cpp to control the name of these arrays, while
also making the resource system in general more transparent.
This used to be a feature before the accurate-portable split, I'm
just restoring it.
Previously, while the EXE itself had a unique icon, the window and
taskbar both used the generic 'small' icon, which the original EXE
only used for the window.
SDL2 gives us a way to assign separate icons to each, but it's a
little clunky: it's Windows-only, requires the icons be in .ico
format, and needs them to be embedded in the EXE as resource files.
Also, for some reason, SDL2 doesn't let us refer to them by name - we
have to use their numerical ID.
The Linux port's get_resource function seems to be using the original
filenames, rather than the 8.3 filenames used by the Windows EXE's
resource system. Too bad it doesn't tell us the original file extensions.
I've included the .h files in the repo since I might add automatic
resource generation in the future, and in order for that to work, all .h
files must be present on the first pass.
