Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234]

▼Nge211	The game engine namespace
▼Naudio	Audio facilities, for playing music and sound effects
CAudio_clip	Common interface to classes that load audio data, Music_track and Sound_effect
CMixer	The entity that coordinates playing all audio tracks
CMusic_track	A music track, which can be attached to the Mixer and played
CSound_effect	A sound effect track, which can be attached to a Mixer channel and played
CSound_effect_handle	Used to control a Sound_effect after it is started playing on a Mixer
▼Nevents	Types for representing mouse and keyboard events
CKey	Represents a key on the keyboard
▼Nexceptions	An exception hierarchy for ge211 to report errors
CClient_logic_error	An exception that indicates that a logic error was performed by the client
CEnvironment_error	Indicates that an error was encountered by the game engine or in the client's environment
CException_base	The root of the ge211 exception hierarchy
CFile_error	Indicates an error opening a file
CFont_error	Indicates an error loading a font front an already-open file
CGe211_logic_error	Indicates a condition unexpected by ge211, that appears to break its invariants
CHost_error	Indicates an exception from the host environment being passed along by ge211
CImage_error	Indicates an error loading an image from an already-open file
CLate_paint_error	Thrown by member functions of internal::Render_sprite when the sprite has already been rendered to the screen and can no longer be modified
CMixer_error	Indicates an error in the mixer, which could include the inability to understand an audio file format
CSession_needed_error	An exception thrown when the client attempts to perform an action that requires a GE211 session before GE211 starts
▼Ngeometry	Geometric objects and their operations
CDims	Represents the dimensions of an object, or more generally, the displacement between two Posns
Corigin_type	The type of the special value the_origin
CPosn	A position in the `COORDINATE`-valued Cartesian plane, where `COORDINATE` can be any arithmetic type
▼CRect	Represents a positioned rectangle
Citerator	An iterator over the `Posn<COORDINATE>`s of a `Rect<COORDINATE>`
CTransform	A rendering transformation, which can scale, flip, and rotate
▼Ninternal	Internal facilities that you might want to use if you're doing something fancy
▼Nlogging	Facilities for logging to the console
CLog_message	A Log_message accumulates information and then prints it all at once when it's about to be destroyed
CLogger	Right now a Logger just keeps track of the current log level
CRender_sprite	A `Render_sprite` works by allowing its derived classes to render themselves pixel-by-pixel onto an `SDL_Surface`☛
▼Nsprites	Sprites are images that can be rendered to the screen
CCircle_sprite	A Sprite that renders as a solid circle
CImage_sprite	A Sprite that displays a bitmap image
CMultiplexed_sprite	A Sprite that allows switching between other sprites based on the time at rendering
CRectangle_sprite	A Sprite that renders as a solid rectangle
CSprite	A sprite is an image that knows how to render itself to the screen at a given location, under a particular transformation
▼CText_sprite	A Sprite that displays text
CBuilder	Builder-style API for configuring and constructing Text_sprites
▼Ntime	Types for representing time and timers
CDuration	A length of time
CPausable_timer	A class for timing intervals while supporting pausing
CTime_point	A point in time
CTimer	A class for timing intervals. The result is a Duration
CAbstract_game	This is the abstract base class for deriving games
▼CColor	For representing colors
CHSLA	Representation for the hue-saturation-lightness-alpha color model
CHSVA	Representation for the hue-saturation-value-alpha color model
CFont	Represents a font that can be used to render a sprites::Text_sprite
CRandom_source	A generic class for generating pseudorandom numbers in uniform distribution over a specified range
CSprite_set	A collection of positioned Sprites ready to be rendered to the screen
Cunbounded_type	The type of special tag value unbounded
CWindow	Provides access to the game window and its properties
▼Nstd
Chash< ge211::Posn< COORDINATE > >	Template specialization to define hashing of ge211::geometry::Posns, which allows storing them as members of an std::unordered_set or as keys of an std::unordered_map