Panda3D.Framework.Input 0.1.0-preview.13

Panda3D.Framework.Input

Builds Panda's data graph and per-window input chain, registers the dataLoop task that traverses and evaluates it each frame, and exposes input through three layers: raw device polling at the bottom, a serializable action / binding / context layer in the middle, and both polling and typed-event (IObservable<T>) access on top. Bindings and polling are physical (raw scan position), so WASD is correct on any keyboard layout.

Provides

• AddInput() — devices, the action runtime, and the dataLoop frame task (capture edges → traverse → evaluate actions).
• IInput — per-view raw polling: IsDown/Pressed/Released(ButtonId), MousePosition, IsOverUi, CaptureNext(). Per-view — resolve it from the view scope via view.Input() (or view.Services), not the root provider.
• Keys / Mouse / Gamepad — ButtonId vocabularies (Keys.Space, Keys.Ascii('w'), Mouse.Left, Gamepad.A, …); ButtonId persists by stable Name.
• Actions: ButtonAction (bool), AxisAction (float), VectorAction (LVector2f) — each with polling state and Pressed/Released/Changed observables; Bindings is statically constrained to compatible binding types.
• Bindings: ButtonBinding, AxisBinding, CompositeAxisBinding, CompositeVectorBinding, StickBinding (deadzone/invert/scale live on the analog binding).
• IInputContext — a named, prioritized, enable/disable-able action set; create with serviceProvider.CreateContext(name, priority) (e.g. view.Services.CreateContext(...)).
• IDevices — gamepad/joystick enumeration plus Connected/Disconnected hotplug observables.
• IButtonLabels — layout-aware display labels for HUD / rebind UI.

Usage

var ctx = view.Services.CreateContext("gameplay");

var move = ctx.Add(new VectorAction("move"));
move.Bindings.Add(new CompositeVectorBinding(Keys.Ascii('w'), Keys.Ascii('s'), Keys.Ascii('a'), Keys.Ascii('d')));
move.Bindings.Add(new StickBinding(InputDeviceAxis.LeftX, InputDeviceAxis.LeftY) { Deadzone = 0.15f });
LVector2f dir = move.Value;                       // poll, or move.Changed.Subscribe(v => …)

var jump = ctx.Add(new ButtonAction("jump"));
jump.Bindings.Add(new ButtonBinding(Keys.Space));
jump.Bindings.Add(new ButtonBinding(Gamepad.A));  // multiple bindings, OR'd
jump.Pressed.Subscribe(_ => DoJump());            // observable… or poll: if (jump.WasPressed) …

// raw-polling escape hatch (per view):
if (view.Input().Pressed(Keys.Escape)) Quit();

Part of Panda3D.Framework; the Panda3D.Framework umbrella package pulls in every library plus the bindings and native runtimes.