308 lines
12 KiB
JavaScript
308 lines
12 KiB
JavaScript
import { app } from "../../scripts/app.js";
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// Function to generate an hsl color, based on a value and a maximum range
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function generateHslColor(value, max, alpha) {
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if (max <= 0) {
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return `hsl(0, 0%, 0%, 1.0)`;
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}
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const hue = Math.round(((value % max) / max) * 360);
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return `hsl(${hue}, 100%, 50%, ${alpha})`;
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}
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function computeCanvasSize(node, size) {
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if (node.widgets[0].last_y == null) {
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return;
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}
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const MIN_SIZE = 200;
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const widgetBaseHeight = LiteGraph.NODE_WIDGET_HEIGHT;
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const yBase = widgetBaseHeight * Math.max(node.inputs.length, node.outputs.length) + 5;
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let remainingHeight = size[1] - yBase;
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let widgetTotalHeight = 0;
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// Calculate total height for all non-custom widgets
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for (const widget of node.widgets) {
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if (widget.type !== "areaCondCanvas") {
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widgetTotalHeight += (widget.computeSize ? widget.computeSize()[1] : widgetBaseHeight) + 5;
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}
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}
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// Adjust remaining height and node size if needed
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remainingHeight -= widgetTotalHeight;
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if (remainingHeight < MIN_SIZE) {
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remainingHeight = MIN_SIZE;
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node.size[1] = yBase + widgetTotalHeight + remainingHeight;
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node.graph.setDirtyCanvas(true);
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}
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// Position each widget within the canvas
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let currentY = yBase;
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for (const widget of node.widgets) {
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widget.y = currentY;
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currentY += (widget.type === "areaCondCanvas" ? remainingHeight : (widget.computeSize ? widget.computeSize()[1] : widgetBaseHeight)) + 4;
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}
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node.canvasHeight = remainingHeight;
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}
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function addAreaGraphWidget(node) {
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const widget = {
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type: "areaCondCanvas",
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name: "AreaConditioningCanvas",
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draw: function(ctx, node, widgetWidth, widgetY) {
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if (!node.canvasHeight) {
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computeCanvasSize(node, node.size)
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}
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const t = ctx.getTransform();
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const margin = 2;
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const border = 1;
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const widgetHeight = node.canvasHeight;
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const values = node.properties["area_values"];
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const width = 900;
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const height = 900;
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const scale = Math.min((widgetWidth - margin * 2) / width, (widgetHeight - margin * 2) / height);
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Object.assign(this.canvas.style, {
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left: `${t.e}px`,
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top: `${t.f + (widgetY * t.d)}px`,
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width: `${widgetWidth * t.a}px`,
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height: `${widgetHeight * t.d}px`,
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position: "absolute",
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zIndex: 1,
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pointerEvents: "none",
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});
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const backgroudWidth = width * scale;
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const backgroundHeight = height * scale;
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let xOffset = margin;
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if (backgroudWidth < widgetWidth) {
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xOffset += (widgetWidth - backgroudWidth) / 2 - margin;
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}
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let yOffset = margin
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if (backgroundHeight < widgetHeight) {
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yOffset += (widgetHeight - backgroundHeight) / 2 - margin;
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}
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const getDrawArea = (v) => {
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let x = v[0] * backgroudWidth
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let y = v[1] * backgroundHeight
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let w = v[2] * backgroudWidth
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let h = v[3] * backgroundHeight
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if (x > backgroudWidth) {
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x = backgroudWidth
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}
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if (y > backgroundHeight) {
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y = backgroundHeight
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}
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if (x + w > backgroudWidth) {
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w = Math.max(0, backgroudWidth - x)
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}
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if (y + h > backgroundHeight) {
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h = Math.max(0, backgroundHeight - y)
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}
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return [x, y, w, h]
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}
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let widgetX = xOffset
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widgetY = widgetY + yOffset
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ctx.fillStyle = "#000000"
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ctx.fillRect(widgetX - border, widgetY - border, backgroudWidth + border * 2, backgroundHeight + border * 2)
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ctx.fillStyle = globalThis.LiteGraph.NODE_DEFAULT_BGCOLOR
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ctx.fillRect(widgetX, widgetY, backgroudWidth, backgroundHeight);
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// Draw all of the conditioning areas
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for (const [k, v] of values.entries()) {
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// Skip the selected one, as we need to draw it last to highlight it
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if (k == node.index) {
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continue;
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}
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const [x, y, w, h] = getDrawArea(v);
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ctx.fillStyle = generateHslColor(k + 1, values.length, 0.3);
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ctx.fillRect(widgetX + x, widgetY + y, w, h);
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}
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// Draw selected index area
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const [x, y, w, h] = getDrawArea(values[node.index]);
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ctx.fillStyle = generateHslColor(node.index + 1, values.length, 0.8);
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ctx.fillRect(widgetX + x, widgetY + y, w, h);
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}
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}
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widget.canvas = document.createElement("canvas");
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widget.canvas.className = "area-cond-canvas";
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widget.parent = node;
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document.body.appendChild(widget.canvas);
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node.addCustomWidget(widget);
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node.onResize = function(size) {
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computeCanvasSize(node, size);
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}
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return {
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widget
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};
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}
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function addNumberInput(node, inputName, startValue, updateFunc, settings = { min: 0, max: 1, step: 0.1, precision: 2 }) {
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node.addWidget(
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"number",
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inputName,
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startValue,
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updateFunc,
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settings
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)
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}
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function updateWidgetValues(node, index) {
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if (!node.properties["area_values"][index]) {
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node.properties["area_values"][index] = [];
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}
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// Return x value to widget
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const xValue = node.properties["area_values"][index][0];
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node.properties["area_values"][index][0] = xValue ? xValue : 0.0;
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node.widgets[2].value = xValue ? xValue : 0.0;
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// Return y value to widget
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const yValue = node.properties["area_values"][index][1];
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node.properties["area_values"][index][1] = yValue ? yValue : 0.0;
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node.widgets[3].value = yValue ? yValue : 0.0;
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// Return width value to widget
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const widthValue = node.properties["area_values"][index][2];
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node.properties["area_values"][index][2] = widthValue ? widthValue : 1.0;
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node.widgets[4].value = widthValue ? widthValue : 1.0;
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// Return height value to widget
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const heightValue = node.properties["area_values"][index][3];
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node.properties["area_values"][index][3] = heightValue ? heightValue : 1.0;
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node.widgets[5].value = heightValue ? heightValue : 1.0;
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// Return strength value to widget
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const strValue = node.properties["area_values"][index][4];
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node.properties["area_values"][index][4] = strValue ? strValue : 1.0;
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node.widgets[6].value = strValue ? strValue : 1.0;
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}
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const TypeSlot = {
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Input: 1,
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Output: 2,
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};
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// Id of the node
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const _ID = "VisualAreaPrompt";
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// Prefix of the input to add
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const _PREFIX = "area-conditioning_";
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// Type of the input to add
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const _TYPE = "CONDITIONING";
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app.registerExtension({
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name: 'fuwuffy.' + _ID,
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async beforeRegisterNodeDef(nodeType, nodeData, _app) {
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// Discard other nodes
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if (nodeData.name !== _ID) {
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return;
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}
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// On creation
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const onNodeCreated = nodeType.prototype.onNodeCreated;
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nodeType.prototype.onNodeCreated = async function() {
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// Create node
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const me = onNodeCreated?.apply(this);
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// Setup index for current conditioning
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this.index = 0;
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// Set properties for the elements (first is initialized because of index 0)
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this.setProperty("area_values", [[0.0, 0.0, 1.0, 1.0, 1.0]]);
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// Add the canvas
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addAreaGraphWidget(this);
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// Add base controls for conditionings
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addNumberInput(this, "id", 0, (value, _, node) => {
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this.index = value;
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updateWidgetValues(node, this.index);
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}, { min: 0, max: 0, step: 10, precision: 0 });
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// x value input, has index 0
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addNumberInput(this, "x", 0.0, (value, _, node) => {
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node.properties["area_values"][this.index][0] = value;
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}, { min: 0, max: 1, step: 0.1, precision: 2 });
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// y value input, has index 1
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addNumberInput(this, "y", 0.0, (value, _, node) => {
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node.properties["area_values"][this.index][1] = value;
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}, { min: 0, max: 1, step: 0.1, precision: 2 });
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// width value input, has index 2
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addNumberInput(this, "width", 1.0, (value, _, node) => {
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node.properties["area_values"][this.index][2] = value;
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}, { min: 0, max: 1, step: 0.1, precision: 2 });
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// height value input, has index 3
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addNumberInput(this, "height", 1.0, (value, _, node) => {
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node.properties["area_values"][this.index][3] = value;
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}, { min: 0, max: 1, step: 0.1, precision: 2 });
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// strength value input, has index 4
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addNumberInput(this, "strength", 1.0, (value, _, node) => {
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node.properties["area_values"][this.index][4] = value;
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}, { min: 0, max: 10, step: 0.1, precision: 2 });
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// Add first conditioning (name, type)
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this.addInput(_PREFIX, _TYPE);
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// Return node
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return me;
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}
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// When connections change
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const onConnectionsChange = nodeType.prototype.onConnectionsChange
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nodeType.prototype.onConnectionsChange = function(slotType, slot_idx, event, link_info, node_slot) {
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// Change the connections like normal
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const me = onConnectionsChange?.apply(this, arguments);
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// Get all dynamic inputs
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const dynamicInputs = this.inputs.filter((input) => input.name.includes(_PREFIX));
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// Only for inputs
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if (slotType === TypeSlot.Input) {
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// Skip non dynamic
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if (!dynamicInputs.includes(node_slot)) {
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return me;
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} else if (link_info && event === true) { // If connects
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// Get the parent (left side node) from the link
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const fromNode = this.graph._nodes.find(
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(otherNode) => otherNode.id == link_info.origin_id
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)
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if (fromNode) {
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// Make sure there is a parent for the link
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const parent_link = fromNode.outputs[link_info.origin_slot];
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if (parent_link) {
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node_slot.type = parent_link.type;
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node_slot.name = `${_PREFIX}_`;
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}
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}
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} else if (event === false) { // If disconnects
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// Remove the input
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this.removeInput(slot_idx);
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}
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let slot_tracker = {};
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let idx = 0;
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for (const slot of this.inputs) {
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// Skip static nodes
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if (!dynamicInputs.includes(slot)) {
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idx += 1;
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continue;
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}
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// Remove unlinked dynamic nodes
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if (slot.link === null) {
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this.removeInput(idx);
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continue;
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}
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idx += 1;
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const name = slot.name.split('_')[0];
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// Correctly increment the count in slot_tracker
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const count = (slot_tracker[name] || 0) + 1;
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slot_tracker[name] = count;
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// Update the slot name with the count if greater than 1
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slot.name = `${name}_${count - 1}`;
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}
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// Set ID widgets to new max index to create base values
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const countDynamicInputs = this.inputs.filter((input) => input.name.includes(_PREFIX)).length;
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const newMaxIdx = (countDynamicInputs - 1) >= 0 ? (countDynamicInputs - 1) : 0;
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this.widgets[1].options.max = newMaxIdx;
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updateWidgetValues(this, newMaxIdx);
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// Restore widget values
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updateWidgetValues(this, this.index);
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// Remove extra values
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this.properties["area_values"] = this.properties["area_values"].slice(0, countDynamicInputs);
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// Create a list of all dynamic inputs by filtering out static inputs.
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const dynamicIndices = this.inputs
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.map((_input, index) => ({ index: index, input: _input }))
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.filter((obj) => dynamicInputs.includes(obj.input))
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.map((obj) => obj.index);
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// Find the last dynamic input index
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const lastDynamicInputIndex = dynamicIndices[dynamicIndices.length - 1];
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const lastDynamicInput = this.inputs[lastDynamicInputIndex];
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// Check if last dynamic input is defined and matches the prefix/type
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if (lastDynamicInput === undefined || (lastDynamicInput.name !== _PREFIX || lastDynamicInput.type !== _TYPE)) {
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// Add last input to fix the removed ones
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this.addInput(_PREFIX, _TYPE);
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}
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// Return node
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this?.graph?.setDirtyCanvas(true);
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return me;
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}
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}
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return nodeType;
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}
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})
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