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feuerwerk/src/core/graph/NodeContext.ts
T
rootandClaude Opus 5 4d84231b9f Trim needless comments and fix the picker width
Remove comments that only restate the code, keeping the section banners
and the notes that carry a reason, a measured fact or an external
contract.

ButtonOptions.width claimed to be a fixed width but only set minWidth,
so the Graph and Texture pickers grew with the name they showed. It is
now what it promises, with a separate minWidth for the buttons that have
two forms. Narrow buttons shrink their padding, otherwise a 24px icon
button had 8px left for its glyph and truncate dropped it entirely.

__gm.labelsDropped() guards that class: the overflow guard only saw text
that was too wide, never a label truncated to nothing.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-08 15:52:05 +02:00

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import type { PropertyBag } from '../model/Properties';
import { sumAlongChain } from '../model/walk';
import { enabledAlongChain } from '../properties/enabled';
/**
* What a graph sees of a running entity; the runtime's Entity satisfies this shape. Mutating
* `x`/`y`/`props` is how actions take effect.
*/
export interface EntityHandle {
id: string;
assetId: string;
name: string;
/** Position local to `parent` (world position for top-level entities). */
x: number;
y: number;
z: number;
props: PropertyBag;
parent: EntityHandle | null;
}
export function worldPositionOf(handle: EntityHandle): { x: number; y: number; z: number } {
return sumAlongChain(
handle,
(h) => h.parent,
(h) => h,
);
}
/** Whether a handle and every ancestor of it are switched on. */
export function isHandleEnabled(handle: EntityHandle): boolean {
return enabledAlongChain(
handle,
(h) => h.props,
(h) => h.parent,
);
}
/** Position in world units. */
export interface PointerState {
x: number;
y: number;
inside: boolean;
down: boolean;
/** Went down / up during this frame. */
pressed: boolean;
released: boolean;
}
/**
* Everything the graph does to the world goes through here, so the core stays free of runtime
* imports. Implemented by the runtime (BehaviorSystem) and by test doubles.
*/
export interface NodeContext {
self: EntityHandle;
/** The behavior's parent object – the one the graph acts on. */
owner: EntityHandle | null;
variables: PropertyBag;
/** Seconds since the world started and since the last tick. */
time: number;
dt: number;
findByName(name: string): EntityHandle | null;
isKeyDown(key: string): boolean;
pointer: PointerState;
/**
* Whether a world point lies on `target`: on its colliders when it has any, otherwise on its own
* footprint or that of anything parented below it.
*/
hitTest(target: EntityHandle, x: number, y: number): boolean;
/** A collider entity stands for itself; any other entity for its direct collider children. */
isTouching(a: EntityHandle, b: EntityHandle): boolean;
/**
* Moves `target` by (dx, dy) in local units, stopping solid colliders at other solid ones axis by
* axis (x first, then y) so it slides along walls.
*/
moveAndSlide(target: EntityHandle, dx: number, dy: number): { blockedX: boolean; blockedY: boolean };
log(message: string): void;
/**
* The position is local to `parent` (world when none); null when the asset does not exist or
* cannot be placed. A spawned behavior runs its `On start` on the next tick.
*/
spawn(
assetId: string,
position: { x: number; y: number; z: number },
parent: EntityHandle | null,
): EntityHandle | null;
destroy(target: EntityHandle): void;
stop(): void;
/** Ends the run and starts it again from the saved scene (everything spawned is lost). */
restart(): void;
}