Since about a year ago, OpenRCT2 has allowed players to shift ride/track designs using modifier keys (#22669). This was, however, limited to heights above-ground. This PR changes this by omitting the 'Z placement assist' when ctrl/shift modifiers are used. This means the helpful 'nudge' to overground is now omitted if (and only if) these modifier keys are involved.
Below is an example of what placement now looks like (with clearance checks disabled for easier debugging):
https://github.com/user-attachments/assets/3b23bc1d-ab7b-43a2-ad40-216ab83952d2
* Move WindowInvalidate and WidgetInvalidate families into WindowManager
* Use InvalidateWidget shorthand in more places
* Cut back on UiContext includes
* Cut back on Window.h includes
* Remove outdated parameter comments
* Replace WindowClose() calls with Close method calls where possible
* Move WindowClose family into WindowManager
* Remove UpdateSceneryGroupIndexes hack
* Refactor windows to not share widget state
* First half of refactoring all the windows
* Refactor the remaining windows, compiles but has issues
* Fix drawing only every second widget
* Remove the need of an terminating widget
* Address WidgetIndex signedness issues; use kWidgetIndexNull more
* Address constexpr issue with Widget content union
* Fix tabs in scenery window
* Fix tabs in object selection window
* Adjust custom widget index for CustomTool events
* Use STR_NONE for default tooltip initialisation
* Adjustment for mingw compiler
* Fix bottom toolbar using the widget declaration not instance
* Remove pointless code in Guest window, handled by SetPage
* Prevent out of bounds crash
* Move scroll widgets initialization to SetPage in Cheats window
* Remove special logic in Options window
* Remove special logic in Park window
* Remove special logic for Player window
* Remove special logic for Research window
* Remove special logic for Ride window
* Remove special logic for Staff window
* Remove special logic for Finances window
* Remove special logic for MapGen window
* Remove special logic for editor objective options window
* Remove special logic for editor scenario options window
* Fix widgets not being set since page is initialized to 0
* Remove more redundant code
* Fix remaining access to widget declarations
* Remove unused variable
* Fix editor object selection tabs on successive windows
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Co-authored-by: Aaron van Geffen <aaron@aaronweb.net>
* Consolidate util/Math.hpp into core/Numerics.hpp
* Remove branching; replace isPowerOf2 with std::has_single_bit
* Add templated types to floor2 and ceil2
* Allow using construction modifier keys for track design placement
* Reduce nesting in OnToolDown
* Allow ctrl-matching against more interaction types
* Amend changelog
* Introduce isToolActive function
* Ride window: use isToolActive instead of gCurrentToolWidget
* Footpath window: use isToolActive instead of gCurrentToolWidget
* Staff window: use isToolActive instead of gCurrentToolWidget
* MazeConstruction window: use isToolActive instead of gCurrentToolWidget
* Guest window: use isToolActive instead of gCurrentToolWidget
* Map window: use isToolActive instead of gCurrentToolWidget
* LandRights window: use isToolActive instead of gCurrentToolWidget
* Replace SceneryToolIsActive legacy function with calls to isToolActive
* ClearScenery window: use isToolActive instead of gCurrentToolWidget
* Scenery window: use isToolActive instead of gCurrentToolWidget
* Water window: use isToolActive instead of gCurrentToolWidget
* Land window: use isToolActive instead of gCurrentToolWidget
* Widget: replace WidgetIsActiveTool with isToolActive
* RideConstruction window: use isToolActive instead of gCurrentToolWidget
* Ride: use isToolActive instead of gCurrentToolWidget
* TrackDesignPlace window: use isToolActive instead of gCurrentToolWidget
* StaffList window: use isToolActive instead of gCurrentToolWidget
* ViewClipping window: use isToolActive instead of gCurrentToolWidget
* PatrolArea window: use isToolActive instead of gCurrentToolWidget
* TileInspector window: use isToolActive instead of gCurrentToolWidget
* Park window: use isToolActive instead of gCurrentToolWidget
