Files
Foundry-VTT-Docker/resources/app/client/pixi/layers/placeables/regions.js
2025-01-04 00:34:03 +01:00

489 lines
14 KiB
JavaScript

/**
* The Regions Container.
* @category - Canvas
*/
class RegionLayer extends PlaceablesLayer {
/** @inheritDoc */
static get layerOptions() {
return foundry.utils.mergeObject(super.layerOptions, {
name: "regions",
controllableObjects: true,
confirmDeleteKey: true,
quadtree: false,
zIndex: 100,
zIndexActive: 600
});
}
/* -------------------------------------------- */
/** @inheritDoc */
static documentName = "Region";
/* -------------------------------------------- */
/**
* The method to sort the Regions.
* @type {Function}
*/
static #sortRegions = function() {
for ( let i = 0; i < this.children.length; i++ ) {
this.children[i]._lastSortedIndex = i;
}
this.children.sort((a, b) => (a.zIndex - b.zIndex)
|| (a.top - b.top)
|| (a.bottom - b.bottom)
|| (a._lastSortedIndex - b._lastSortedIndex));
this.sortDirty = false;
};
/* -------------------------------------------- */
/** @inheritDoc */
get hookName() {
return RegionLayer.name;
}
/* -------------------------------------------- */
/**
* The RegionLegend application of this RegionLayer.
* @type {foundry.applications.ui.RegionLegend}
*/
get legend() {
return this.#legend ??= new foundry.applications.ui.RegionLegend();
}
#legend;
/* -------------------------------------------- */
/**
* The graphics used to draw the highlighted shape.
* @type {PIXI.Graphics}
*/
#highlight;
/* -------------------------------------------- */
/**
* The graphics used to draw the preview of the shape that is drawn.
* @type {PIXI.Graphics}
*/
#preview;
/* -------------------------------------------- */
/**
* Draw shapes as holes?
* @type {boolean}
* @internal
*/
_holeMode = false;
/* -------------------------------------------- */
/* Methods
/* -------------------------------------------- */
/** @inheritDoc */
_activate() {
super._activate();
// noinspection ES6MissingAwait
this.legend.render({force: true});
}
/* -------------------------------------------- */
/** @inheritDoc */
_deactivate() {
super._deactivate();
this.objects.visible = true;
// noinspection ES6MissingAwait
this.legend.close({animate: false});
}
/* -------------------------------------------- */
/** @inheritDoc */
storeHistory(type, data) {
super.storeHistory(type, type === "update" ? data.map(d => {
if ( "behaviors" in d ) {
d = foundry.utils.deepClone(d);
delete d.behaviors;
}
return d;
}) : data);
}
/* -------------------------------------------- */
/** @override */
copyObjects() {
return []; // Prevent copy & paste
}
/* -------------------------------------------- */
/** @override */
getSnappedPoint(point) {
const M = CONST.GRID_SNAPPING_MODES;
const size = canvas.dimensions.size;
return canvas.grid.getSnappedPoint(point, canvas.forceSnapVertices ? {mode: M.VERTEX} : {
mode: M.CENTER | M.VERTEX | M.CORNER | M.SIDE_MIDPOINT,
resolution: size >= 128 ? 8 : (size >= 64 ? 4 : 2)
});
}
/* -------------------------------------------- */
/** @override */
getZIndex() {
return this.active ? this.options.zIndexActive : this.options.zIndex;
}
/* -------------------------------------------- */
/** @inheritDoc */
async _draw(options) {
await super._draw(options);
this.objects.sortChildren = RegionLayer.#sortRegions;
this.objects.visible = true;
this.#highlight = this.addChild(new PIXI.Graphics());
this.#highlight.eventMode = "none";
this.#highlight.visible = false;
this.#preview = this.addChild(new PIXI.Graphics());
this.#preview.eventMode = "none";
this.#preview.visible = false;
this.filters = [VisionMaskFilter.create()];
this.filterArea = canvas.app.screen;
}
/* -------------------------------------------- */
/**
* Highlight the shape or clear the highlight.
* @param {foundry.data.BaseShapeData|null} data The shape to highlight, or null to clear the highlight
* @internal
*/
_highlightShape(data) {
this.#highlight.clear();
this.#highlight.visible = false;
if ( !data ) return;
this.#highlight.visible = true;
this.#highlight.lineStyle({
width: CONFIG.Canvas.objectBorderThickness,
color: 0x000000,
join: PIXI.LINE_JOIN.ROUND,
shader: new PIXI.smooth.DashLineShader()
});
const shape = foundry.canvas.regions.RegionShape.create(data);
shape._drawShape(this.#highlight);
}
/* -------------------------------------------- */
/**
* Refresh the preview shape.
* @param {PIXI.FederatedEvent} event
*/
#refreshPreview(event) {
this.#preview.clear();
this.#preview.lineStyle({
width: CONFIG.Canvas.objectBorderThickness,
color: 0x000000,
join: PIXI.LINE_JOIN.ROUND,
cap: PIXI.LINE_CAP.ROUND,
alignment: 0.75
});
this.#preview.beginFill(event.interactionData.drawingColor, 0.5);
this.#drawPreviewShape(event);
this.#preview.endFill();
this.#preview.lineStyle({
width: CONFIG.Canvas.objectBorderThickness / 2,
color: CONFIG.Canvas.dispositionColors.CONTROLLED,
join: PIXI.LINE_JOIN.ROUND,
cap: PIXI.LINE_CAP.ROUND,
alignment: 1
});
this.#drawPreviewShape(event);
}
/* -------------------------------------------- */
/**
* Draw the preview shape.
* @param {PIXI.FederatedEvent} event
*/
#drawPreviewShape(event) {
const data = this.#createShapeData(event);
if ( !data ) return;
switch ( data.type ) {
case "rectangle": this.#preview.drawRect(data.x, data.y, data.width, data.height); break;
case "circle": this.#preview.drawCircle(data.x, data.y, data.radius); break;
case "ellipse": this.#preview.drawEllipse(data.x, data.y, data.radiusX, data.radiusY); break;
case "polygon":
const polygon = new PIXI.Polygon(data.points);
if ( !polygon.isPositive ) polygon.reverseOrientation();
this.#preview.drawPath(polygon.points);
break;
}
}
/* -------------------------------------------- */
/**
* Create the shape data.
* @param {PIXI.FederatedEvent} event
* @returns {object|void}
*/
#createShapeData(event) {
let data;
switch ( event.interactionData.drawingTool ) {
case "rectangle": data = this.#createRectangleData(event); break;
case "ellipse": data = this.#createCircleOrEllipseData(event); break;
case "polygon": data = this.#createPolygonData(event); break;
}
if ( data ) {
data.elevation = {
bottom: Number.isFinite(this.legend.elevation.bottom) ? this.legend.elevation.bottom : null,
top: Number.isFinite(this.legend.elevation.top) ? this.legend.elevation.top : null
};
if ( this._holeMode ) data.hole = true;
return data;
}
}
/* -------------------------------------------- */
/**
* Create the rectangle shape data.
* @param {PIXI.FederatedEvent} event
* @returns {object|void}
*/
#createRectangleData(event) {
const {origin, destination} = event.interactionData;
let dx = Math.abs(destination.x - origin.x);
let dy = Math.abs(destination.y - origin.y);
if ( event.altKey ) dx = dy = Math.min(dx, dy);
let x = origin.x;
let y = origin.y;
if ( event.ctrlKey || event.metaKey ) {
x -= dx;
y -= dy;
dx *= 2;
dy *= 2;
} else {
if ( origin.x > destination.x ) x -= dx;
if ( origin.y > destination.y ) y -= dy;
}
if ( (dx === 0) || (dy === 0) ) return;
return {type: "rectangle", x, y, width: dx, height: dy, rotation: 0};
}
/* -------------------------------------------- */
/**
* Create the circle or ellipse shape data.
* @param {PIXI.FederatedEvent} event
* @returns {object|void}
*/
#createCircleOrEllipseData(event) {
const {origin, destination} = event.interactionData;
let dx = Math.abs(destination.x - origin.x);
let dy = Math.abs(destination.y - origin.y);
if ( event.altKey ) dx = dy = Math.min(dx, dy);
let x = origin.x;
let y = origin.y;
if ( !(event.ctrlKey || event.metaKey) ) {
if ( origin.x > destination.x ) x -= dx;
if ( origin.y > destination.y ) y -= dy;
dx /= 2;
dy /= 2;
x += dx;
y += dy;
}
if ( (dx === 0) || (dy === 0) ) return;
return event.altKey
? {type: "circle", x, y, radius: dx}
: {type: "ellipse", x, y, radiusX: dx, radiusY: dy, rotation: 0};
}
/* -------------------------------------------- */
/**
* Create the polygon shape data.
* @param {PIXI.FederatedEvent} event
* @returns {object|void}
*/
#createPolygonData(event) {
let {destination, points, complete} = event.interactionData;
if ( !complete ) points = [...points, destination.x, destination.y];
else if ( points.length < 6 ) return;
return {type: "polygon", points};
}
/* -------------------------------------------- */
/* Event Listeners and Handlers */
/* -------------------------------------------- */
/** @inheritDoc */
_onClickLeft(event) {
const interaction = event.interactionData;
// Continue polygon point placement
if ( interaction.drawingTool === "polygon" ) {
const {destination, points} = interaction;
const point = !event.shiftKey ? this.getSnappedPoint(destination) : destination;
// Clicking on the first point closes the shape
if ( (point.x === points.at(0)) && (point.y === points.at(1)) ) {
interaction.complete = true;
}
// Don't add the point if it is equal to the last one
else if ( (point.x !== points.at(-2)) || (point.y !== points.at(-1)) ) {
interaction.points.push(point.x, point.y);
this.#refreshPreview(event);
}
return;
}
// If one of the drawing tools is selected, prevent left-click-to-release
if ( ["rectangle", "ellipse", "polygon"].includes(game.activeTool) ) return;
// Standard left-click handling
super._onClickLeft(event);
}
/* -------------------------------------------- */
/** @inheritDoc */
_onClickLeft2(event) {
const interaction = event.interactionData;
// Conclude polygon drawing with a double-click
if ( interaction.drawingTool === "polygon" ) {
interaction.complete = true;
return;
}
// Standard double-click handling
super._onClickLeft2(event);
}
/* -------------------------------------------- */
/** @inheritDoc */
_canDragLeftStart(user, event) {
if ( !super._canDragLeftStart(user, event) ) return false;
if ( !["rectangle", "ellipse", "polygon"].includes(game.activeTool) ) return false;
if ( this.controlled.length > 1 ) {
ui.notifications.error("REGION.NOTIFICATIONS.DrawingMultipleRegionsControlled", {localize: true});
return false;
}
if ( this.controlled.at(0)?.document.locked ) {
ui.notifications.warn(game.i18n.format("CONTROLS.ObjectIsLocked", {
type: game.i18n.localize(RegionDocument.metadata.label)}));
return false;
}
return true;
}
/* -------------------------------------------- */
/** @override */
_onDragLeftStart(event) {
const interaction = event.interactionData;
if ( !event.shiftKey ) interaction.origin = this.getSnappedPoint(interaction.origin);
// Set drawing tool
interaction.drawingTool = game.activeTool;
interaction.drawingRegion = this.controlled.at(0);
interaction.drawingColor = interaction.drawingRegion?.document.color
?? Color.from(RegionDocument.schema.fields.color.getInitialValue({}));
// Initialize the polygon points with the origin
if ( interaction.drawingTool === "polygon" ) {
const point = interaction.origin;
interaction.points = [point.x, point.y];
}
this.#refreshPreview(event);
this.#preview.visible = true;
}
/* -------------------------------------------- */
/** @override */
_onDragLeftMove(event) {
const interaction = event.interactionData;
if ( !interaction.drawingTool ) return;
if ( !event.shiftKey ) interaction.destination = this.getSnappedPoint(interaction.destination);
this.#refreshPreview(event);
}
/* -------------------------------------------- */
/** @override */
_onDragLeftDrop(event) {
const interaction = event.interactionData;
if ( !interaction.drawingTool ) return;
if ( !event.shiftKey ) interaction.destination = this.getSnappedPoint(interaction.destination);
// In-progress polygon drawing
if ( (interaction.drawingTool === "polygon") && (interaction.complete !== true) ) {
event.preventDefault();
return;
}
// Clear preview and refresh Regions
this.#preview.clear();
this.#preview.visible = false;
// Create the shape from the preview
const shape = this.#createShapeData(event);
if ( !shape ) return;
// Add the shape to controlled Region or create a new Region if none is controlled
const region = interaction.drawingRegion;
if ( region ) {
if ( !region.document.locked ) region.document.update({shapes: [...region.document.shapes, shape]});
} else RegionDocument.implementation.create({
name: RegionDocument.implementation.defaultName({parent: canvas.scene}),
color: interaction.drawingColor,
shapes: [shape]
}, {parent: canvas.scene, renderSheet: true}).then(r => r.object.control({releaseOthers: true}));
}
/* -------------------------------------------- */
/** @override */
_onDragLeftCancel(event) {
const interaction = event.interactionData;
if ( !interaction.drawingTool ) return;
// Remove point from in-progress polygon drawing
if ( (interaction.drawingTool === "polygon") && (interaction.complete !== true) ) {
interaction.points.splice(-2, 2);
if ( interaction.points.length ) {
event.preventDefault();
this.#refreshPreview(event);
return;
}
}
// Clear preview and refresh Regions
this.#preview.clear();
this.#preview.visible = false;
}
/* -------------------------------------------- */
/** @inheritDoc */
_onClickRight(event) {
const interaction = event.interactionData;
if ( interaction.drawingTool ) return canvas.mouseInteractionManager._dragRight = false;
super._onClickRight(event);
}
}