Adds set_density()
Fixes one instance of a duplicate density assignment on an object.
Comments two hacky usages of density which will have to forgo using the setter for now.
Lets us append code to the event of density changing.
Pretty sure this is leading up to some multitile object thing -Lemon
Co-authored-by: Rohesie <rohesie@gmail.com>
* use SIGNAL_HANDLER REEEEEE (#59242)
makes as many procs as i can find use the SIGNAL_HANDLER define which i assumed they all already did
* USE SIGNAL_HANDLER REEEEEE
Co-authored-by: Kylerace <kylerlumpkin1@gmail.com>