Graphite/frontend/src/state-providers/node-graph.ts

116 lines
3.6 KiB
TypeScript

import { writable } from "svelte/store";
import { type Editor } from "@graphite/wasm-communication/editor";
import {
type Box,
type ContextMenuInformation,
type FrontendNode,
type FrontendNodeWire as FrontendNodeWire,
type FrontendNodeType,
type WirePath,
UpdateBox,
UpdateContextMenuInformation,
UpdateLayerWidths,
UpdateNodeGraph,
UpdateNodeGraphSelection,
UpdateNodeGraphTransform,
UpdateNodeTypes,
UpdateNodeThumbnail,
UpdateSubgraphPath,
UpdateWirePathInProgress,
UpdateZoomWithScroll,
} from "@graphite/wasm-communication/messages";
// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
export function createNodeGraphState(editor: Editor) {
const { subscribe, update } = writable({
box: undefined as Box | undefined,
contextMenuInformation: undefined as ContextMenuInformation | undefined,
layerWidths: new Map<bigint, number>(),
nodes: [] as FrontendNode[],
wires: [] as FrontendNodeWire[],
wirePathInProgress: undefined as WirePath | undefined,
nodeTypes: [] as FrontendNodeType[],
zoomWithScroll: false as boolean,
thumbnails: new Map<bigint, string>(),
selected: [] as bigint[],
subgraphPath: [] as string[],
transform: { scale: 1, x: 0, y: 0 },
});
// Set up message subscriptions on creation
editor.subscriptions.subscribeJsMessage(UpdateBox, (updateBox) => {
update((state) => {
state.box = updateBox.box;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateContextMenuInformation, (updateContextMenuInformation) => {
update((state) => {
state.contextMenuInformation = updateContextMenuInformation.contextMenuInformation;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateLayerWidths, (updateLayerWidths) => {
update((state) => {
state.layerWidths = updateLayerWidths.layerWidths;
return state;
});
});
// TODO: Add a way to only update the nodes that have changed
editor.subscriptions.subscribeJsMessage(UpdateNodeGraph, (updateNodeGraph) => {
update((state) => {
state.nodes = updateNodeGraph.nodes;
state.wires = updateNodeGraph.wires;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateNodeGraphSelection, (updateNodeGraphSelection) => {
update((state) => {
state.selected = updateNodeGraphSelection.selected;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateNodeGraphTransform, (updateNodeGraphTransform) => {
update((state) => {
state.transform = updateNodeGraphTransform.transform;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateNodeTypes, (updateNodeTypes) => {
update((state) => {
state.nodeTypes = updateNodeTypes.nodeTypes;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateNodeThumbnail, (updateNodeThumbnail) => {
update((state) => {
state.thumbnails.set(updateNodeThumbnail.id, updateNodeThumbnail.value);
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateSubgraphPath, (UpdateSubgraphPath) => {
update((state) => {
state.subgraphPath = UpdateSubgraphPath.subgraphPath;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateWirePathInProgress, (updateWirePathInProgress) => {
update((state) => {
state.wirePathInProgress = updateWirePathInProgress.wirePath;
return state;
});
});
editor.subscriptions.subscribeJsMessage(UpdateZoomWithScroll, (updateZoomWithScroll) => {
update((state) => {
state.zoomWithScroll = updateZoomWithScroll.zoomWithScroll;
return state;
});
});
return {
subscribe,
};
}
export type NodeGraphState = ReturnType<typeof createNodeGraphState>;