Data structure for a window viewport. More...

#include <window_gui.h>

Inheritance diagram for ViewportData:

Data Fields
VehicleID	follow_vehicle
	VehicleID to follow if following a vehicle, INVALID_VEHICLE otherwise.

int32_t	scrollpos_x
	Currently shown x coordinate (virtual screen coordinate of topleft corner of the viewport).

int32_t	scrollpos_y
	Currently shown y coordinate (virtual screen coordinate of topleft corner of the viewport).

int32_t	dest_scrollpos_x
	Current destination x coordinate to display (virtual screen coordinate of topleft corner of the viewport).

int32_t	dest_scrollpos_y
	Current destination y coordinate to display (virtual screen coordinate of topleft corner of the viewport).

Data Fields inherited from Viewport
int	left
	Screen coordinate left edge of the viewport.

int	top
	Screen coordinate top edge of the viewport.

int	width
	Screen width of the viewport.

int	height
	Screen height of the viewport.

int	virtual_left
	Virtual left coordinate.

int	virtual_top
	Virtual top coordinate.

int	virtual_width
	width << zoom

int	virtual_height
	height << zoom

ZoomLevel	zoom
	The zoom level of the viewport.

std::shared_ptr< LinkGraphOverlay >	overlay

Detailed Description

Data structure for a window viewport.

A viewport is either following a vehicle (its id in then in follow_vehicle), or it aims to display a specific location dest_scrollpos_x, dest_scrollpos_y (follow_vehicle is then INVALID_VEHICLE). The actual location being shown is scrollpos_x, scrollpos_y.

See also: InitializeViewport(), UpdateViewportPosition(), UpdateViewportCoordinates().

Definition at line 252 of file window_gui.h.

The documentation for this struct was generated from the following file:

Data Fields