* Reduce the use of rct_sprite
* Pass the correct types in S4 importer
* Add additional nullptr checks
* Simplify the viewport interaction
* Apply review comments
* Small cleanup of GetEntity
* Fix test paint
This will eventually replace all of the get_sprite and try_get_sprite calls
Further use of GetSprite
Use GetSprite in all remaining easy to use functions
Correct formatting
Rename GetSprite to GetEntity
Make suggested changes
Remove const to allow for building
Fix crashes due to next sprite
* Rename Peep::destination_tolerance to use TitleCase
* Rename Peep::destination_y to use TitleCase
* Rename Peep::destination_x to use TitleCase
* Rename Peep::trousers_colour to use Title Case
* Rename Peep::tshirt_colour to use TitleCase
* Rename Peep::no_of_rides to use Title Case
* Rename Peep::staff_type to use TitleCase
* Rename Peep::type to use TitleCase
* Rename Peep::sprite_type to use TitleCase
* Rename Peep::sub_state to use TitleCase
* Rename Peep::state to use TitleCase
* Rename Peep::outside_of_park to use TitleCase
* Rename Peep::next_flags to use TitleCase
* Rename Peep::name to use TitleCase
* Rename Peep::NoOfRides to GuestNoOfRides
* Rename Peep::Type to AssignedPeepType
* Rename Peep::GuestNoOfRides to GuestNumRides
Since many of the changes were made before the clang-format changes went live, the new source files used a different format still. This PR applies the new style to all the new source files.