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|
"use client";
import type {
PreviewOverlayHudAnchor,
PreviewOverlayInstance,
PreviewOverlayPlane,
} from "@/preview/overlays";
import { usePreviewViewport } from "./preview-viewport";
const HUD_ANCHOR_CLASS_NAMES: Record<PreviewOverlayHudAnchor, string> = {
"top-left": "absolute top-2 left-2 flex flex-col items-start gap-1.5",
"top-right": "absolute top-2 right-2 flex flex-col items-end gap-1.5",
"bottom-left":
"absolute bottom-2 left-2 flex flex-col-reverse items-start gap-1.5",
"bottom-right":
"absolute right-2 bottom-2 flex flex-col-reverse items-end gap-1.5",
};
function getPositionedMountStyle({
instance,
baseStyle,
sceneLeft,
sceneTop,
sceneWidth,
sceneHeight,
}: {
instance: PreviewOverlayInstance;
baseStyle: {
pointerEvents: "none" | "auto";
zIndex: number | undefined;
};
sceneLeft: number;
sceneTop: number;
sceneWidth: number;
sceneHeight: number;
}) {
if (instance.mount.kind === "hud") {
return baseStyle;
}
const isSceneMount = instance.mount.kind === "scene";
const mount = instance.mount;
const hasExplicitBounds =
mount.x != null ||
mount.y != null ||
mount.width != null ||
mount.height != null;
return {
...baseStyle,
left: (isSceneMount ? sceneLeft : 0) + (mount.x ?? 0),
top: (isSceneMount ? sceneTop : 0) + (mount.y ?? 0),
...(hasExplicitBounds
? {
...(mount.width != null ? { width: mount.width } : {}),
...(mount.height != null ? { height: mount.height } : {}),
}
: {
width: isSceneMount ? sceneWidth : "100%",
height: isSceneMount ? sceneHeight : "100%",
}),
} as const;
}
export function PreviewOverlayLayer({
instances,
plane,
}: {
instances: PreviewOverlayInstance[];
plane: PreviewOverlayPlane;
}) {
const viewport = usePreviewViewport();
const visibleInstances = instances
.filter((instance) => (instance.plane ?? "over-interaction") === plane)
.sort((left, right) => (left.zIndex ?? 0) - (right.zIndex ?? 0));
if (visibleInstances.length === 0) {
return null;
}
const hudInstancesByAnchor = visibleInstances.reduce<
Record<PreviewOverlayHudAnchor, PreviewOverlayInstance[]>
>(
(groups, instance) => {
if (instance.mount.kind === "hud") {
groups[instance.mount.anchor].push(instance);
}
return groups;
},
{
"top-left": [],
"top-right": [],
"bottom-left": [],
"bottom-right": [],
},
);
return (
<>
{visibleInstances.map((instance) => {
if (instance.mount.kind === "hud") {
return null;
}
const pointerEvents = instance.pointerEvents ?? "none";
const baseStyle = {
pointerEvents,
zIndex: instance.zIndex,
} as const;
const content = instance.render({
sceneHeight: viewport.sceneHeight,
sceneWidth: viewport.sceneWidth,
});
switch (instance.mount.kind) {
case "scene":
return (
<div
key={instance.id}
className="absolute"
style={getPositionedMountStyle({
instance,
baseStyle,
sceneLeft: viewport.sceneLeft,
sceneTop: viewport.sceneTop,
sceneWidth: viewport.sceneWidth,
sceneHeight: viewport.sceneHeight,
})}
>
{content}
</div>
);
case "viewport":
return (
<div
key={instance.id}
className="absolute"
style={getPositionedMountStyle({
instance,
baseStyle,
sceneLeft: viewport.sceneLeft,
sceneTop: viewport.sceneTop,
sceneWidth: viewport.sceneWidth,
sceneHeight: viewport.sceneHeight,
})}
>
{content}
</div>
);
default:
return null;
}
})}
{(
Object.entries(hudInstancesByAnchor) as Array<
[PreviewOverlayHudAnchor, PreviewOverlayInstance[]]
>
).map(([anchor, anchorInstances]) => {
if (anchorInstances.length === 0) {
return null;
}
const sortedAnchorInstances = [...anchorInstances].sort(
(left, right) =>
(left.mount.kind === "hud" ? (left.mount.order ?? 0) : 0) -
(right.mount.kind === "hud" ? (right.mount.order ?? 0) : 0),
);
return (
<div key={anchor} className={HUD_ANCHOR_CLASS_NAMES[anchor]}>
{sortedAnchorInstances.map((instance) => {
const pointerEvents = instance.pointerEvents ?? "none";
const content = instance.render({
sceneHeight: viewport.sceneHeight,
sceneWidth: viewport.sceneWidth,
});
return (
<div
key={instance.id}
style={{
pointerEvents,
zIndex: instance.zIndex,
}}
>
{content}
</div>
);
})}
</div>
);
})}
</>
);
}
|
