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import { ThreeCameraService } from "./threeViewer/threeCamera.service"
import { CodeMapBuilding } from "./rendering/codeMapBuilding"
import { ViewCubeMouseEventsService } from "../viewCube/viewCube.mouseEvents.service"
import { BlacklistItem, CcState } from "../../codeCharta.model"
import { ThreeSceneService } from "./threeViewer/threeSceneService"
import { ThreeRendererService } from "./threeViewer/threeRenderer.service"
import { isPathHiddenOrExcluded } from "../../util/codeMapHelper"
import { hierarchy } from "d3-hierarchy"
import { Intersection, Object3D, Raycaster, Vector2 } from "three"
import { CodeMapLabelService } from "./codeMap.label.service"
import { ThreeViewerService } from "./threeViewer/threeViewer.service"
import { setHoveredNodeId } from "../../state/store/appStatus/hoveredNodeId/hoveredNodeId.actions"
import { setRightClickedNodeData } from "../../state/store/appStatus/rightClickedNodeData/rightClickedNodeData.actions"
import { idToNodeSelector } from "../../state/selectors/accumulatedData/idToNode.selector"
import { IdToBuildingService } from "../../services/idToBuilding/idToBuilding.service"
import { hoveredNodeIdSelector } from "../../state/store/appStatus/hoveredNodeId/hoveredNodeId.selector"
import { tap } from "rxjs"
import { visibleFileStatesSelector } from "../../state/selectors/visibleFileStates/visibleFileStates.selector"
import { blacklistSelector } from "../../state/store/fileSettings/blacklist/blacklist.selector"
import { debounce } from "../../util/debounce"
import { Store, State } from "@ngrx/store"
interface Coordinates {
x: number
y: number
}
export enum ClickType {
LeftClick = 0,
RightClick = 2
}
export enum CursorType {
Default = "default",
Grabbing = "grabbing",
Pointer = "pointer",
Moving = "move"
}
@Injectable({ providedIn: "root" })
export class CodeMapMouseEventService implements OnDestroy {
private readonly THRESHOLD_FOR_MOUSE_MOVEMENT_TRACKING = 3
private intersectedBuilding: CodeMapBuilding
private mouse: Coordinates = { x: 0, y: 0 }
private oldMouse: Coordinates = { x: 0, y: 0 }
private mouseOnLastClick: Coordinates = { x: 0, y: 0 }
private isGrabbing = false
private isMoving = false
private raycaster = new Raycaster()
private labelHoveredBuilding = null
private labelSelectedBuilding = null
private subscriptions = [
this.store
.select(visibleFileStatesSelector)
.pipe(tap(() => this.onFilesSelectionChanged()))
.subscribe(),
this.store
.select(blacklistSelector)
.pipe(tap(blacklist => this.onBlacklistChanged(blacklist)))
.subscribe(),
this.store
.select(hoveredNodeIdSelector)
.pipe(
tap(hoveredNodeId => {
Iif (hoveredNodeId !== null) {
this.hoverNode(hoveredNodeId)
} else {
this.unhoverNode(false)
}
})
)
.subscribe()
]
constructor(
private threeCameraService: ThreeCameraService,
private threeRendererService: ThreeRendererService,
private threeSceneService: ThreeSceneService,
private store: Store<CcState>,
private state: State<CcState>,
private codeMapLabelService: CodeMapLabelService,
private viewCubeMouseEvents: ViewCubeMouseEventsService,
private threeViewerService: ThreeViewerService,
private idToBuilding: IdToBuildingService
) {}
ngOnDestroy(): void {
for (const subscription of this.subscriptions) {
subscription.unsubscribe()
}
}
static changeCursorIndicator(cursorIcon: CursorType) {
document.body.style.cursor = cursorIcon
}
start() {
this.threeRendererService.renderer.domElement.addEventListener("mousemove", debounce(this.onDocumentMouseMove, 1))
this.threeRendererService.renderer.domElement.addEventListener("mouseup", event => this.onDocumentMouseUp(event))
this.threeRendererService.renderer.domElement.addEventListener("mousedown", event => this.onDocumentMouseDown(event))
this.threeRendererService.renderer.domElement.addEventListener("dblclick", () => this.onDocumentDoubleClick())
this.threeRendererService.renderer.domElement.addEventListener("mouseleave", event => this.onDocumentMouseLeave(event))
this.threeRendererService.renderer.domElement.addEventListener("mouseenter", () => this.onDocumentMouseEnter())
this.threeRendererService.renderer.domElement.addEventListener(
"wheel",
debounce(() => this.threeRendererService.render())
)
this.viewCubeMouseEvents.subscribe("viewCubeEventPropagation", this.onViewCubeEventPropagation)
}
hoverNode(id: number) {
Iif (this.isGrabbingOrMoving()) {
return
}
const { buildings } = this.threeSceneService.getMapMesh().getMeshDescription()
for (const building of buildings) {
Iif (building.node.id === id) {
this.hoverBuilding(building, false)
break
}
}
this.threeRendererService.render()
}
unhoverNode(updateStore = true) {
this.unhoverBuilding(updateStore)
this.threeRendererService.render()
}
onViewCubeEventPropagation = (data: { type: string; event: MouseEvent }) => {
switch (data.type) {
case "mousemove":
this.onDocumentMouseMove(data.event)
break
case "mouseup":
this.onDocumentMouseUp(data.event)
break
case "mousedown":
this.onDocumentMouseDown(data.event)
break
case "dblclick":
this.onDocumentDoubleClick()
break
}
}
onFilesSelectionChanged() {
this.threeSceneService.clearSelection()
this.threeSceneService.clearConstantHighlight()
this.clearLabelHoveredBuilding()
}
onBlacklistChanged(blacklist: BlacklistItem[]) {
const selectedBuilding = this.threeSceneService.getSelectedBuilding()
this.clearLabelHoveredBuilding()
if (selectedBuilding) {
const isSelectedBuildingBlacklisted = isPathHiddenOrExcluded(selectedBuilding.node.path, blacklist)
if (isSelectedBuildingBlacklisted) {
this.threeSceneService.clearSelection()
}
}
this.unhoverBuilding()
}
updateHovering() {
if (this.hasMouseMoved(this.oldMouse)) {
const labels = this.threeSceneService.labels?.children
if (this.isGrabbingOrMoving()) {
this.threeSceneService.resetLabel()
this.clearLabelHoveredBuilding()
this.threeRendererService.render()
return
}
this.oldMouse.x = this.mouse.x
this.oldMouse.y = this.mouse.y
const mapMesh = this.threeSceneService.getMapMesh()
if (mapMesh) {
this.threeCameraService.camera.updateMatrixWorld(false)
let nodeNameHoveredLabel = ""
const mouseCoordinates = this.transformHTMLToSceneCoordinates()
const camera = this.threeCameraService.camera
Iif (camera.isPerspectiveCamera) {
this.raycaster.setFromCamera(mouseCoordinates as Vector2, camera)
}
const hoveredLabel = this.calculateHoveredLabel(labels)
Iif (hoveredLabel) {
this.threeSceneService.animateLabel(hoveredLabel.object, this.raycaster, labels)
nodeNameHoveredLabel = hoveredLabel.object.userData.node.path
}
this.intersectedBuilding =
nodeNameHoveredLabel !== ""
? mapMesh.getBuildingByPath(nodeNameHoveredLabel)
: mapMesh.checkMouseRayMeshIntersection(mouseCoordinates, camera)
const from = this.threeSceneService.getHighlightedBuilding()
const to = this.intersectedBuilding
if (from?.id !== to?.id) {
this.clearLabelHoveredBuilding()
this.threeSceneService.resetLabel()
this.unhoverBuilding()
if (to && !this.isGrabbingOrMoving()) {
this.setLabelHoveredLeaf(to, labels)
this.hoverBuilding(to)
}
}
}
}
}
setLabelHoveredLeaf(codeMapBuilding: CodeMapBuilding, labels: Object3D[]) {
if (codeMapBuilding?.node?.isLeaf) {
const labelForBuilding =
this.threeSceneService.getLabelForHoveredNode(codeMapBuilding, labels) ?? this.drawLabelHoveredBuilding(codeMapBuilding)
this.threeSceneService.animateLabel(labelForBuilding, this.raycaster, labels)
}
}
drawLabelHoveredBuilding(codeMapBuilding: CodeMapBuilding) {
const enforceLabel = true
this.codeMapLabelService.addLeafLabel(codeMapBuilding.node, 0, enforceLabel)
const labels = this.threeSceneService.labels?.children
const labelForBuilding = this.threeSceneService.getLabelForHoveredNode(codeMapBuilding, labels)
this.labelHoveredBuilding = codeMapBuilding.node
return labelForBuilding
}
drawLabelSelectedBuilding(codeMapBuilding: CodeMapBuilding) {
this.clearLabelHoveredBuilding()
if (this.labelSelectedBuilding !== null) {
this.codeMapLabelService.clearTemporaryLabel(this.labelSelectedBuilding)
}
Iif (!codeMapBuilding.node.isLeaf) {
return
}
this.codeMapLabelService.addLeafLabel(codeMapBuilding.node, 0, true)
const labels = this.threeSceneService.labels?.children
const labelForBuilding = this.threeSceneService.getLabelForHoveredNode(codeMapBuilding, labels)
this.threeSceneService.animateLabel(labelForBuilding, this.raycaster, labels)
this.labelSelectedBuilding = codeMapBuilding.node
return labelForBuilding
}
clearLabelHoveredBuilding() {
if (this.labelHoveredBuilding !== null) {
this.codeMapLabelService.clearTemporaryLabel(this.labelHoveredBuilding)
this.labelHoveredBuilding = null
}
}
private clearLabelSelectedBuilding() {
if (this.labelSelectedBuilding !== null) {
this.codeMapLabelService.clearTemporaryLabel(this.labelSelectedBuilding)
this.labelSelectedBuilding = null
}
}
private EnableOrbitalsRotation(isRotation: boolean) {
this.threeViewerService.enableRotation(isRotation)
this.viewCubeMouseEvents.enableRotation(isRotation)
}
onDocumentMouseEnter() {
this.EnableOrbitalsRotation(true)
}
onDocumentMouseLeave(event: MouseEvent) {
if (!(event.relatedTarget instanceof HTMLCanvasElement)) {
this.EnableOrbitalsRotation(false)
}
}
onDocumentMouseMove = (event: MouseEvent) => {
this.mouse.x = event.clientX
this.mouse.y = event.clientY
this.updateHovering()
this.viewCubeMouseEvents.propagateMovement()
}
onDocumentDoubleClick() {
const highlightedBuilding = this.threeSceneService.getHighlightedBuilding()
const selectedBuilding = this.threeSceneService.getSelectedBuilding()
// Check if mouse moved to prevent opening the building link after
// rotating the map, when the cursor ends on a building.
const fileSourceLink = highlightedBuilding?.node.link
if (fileSourceLink && !this.hasMouseMoved(this.mouseOnLastClick)) {
window.open(fileSourceLink, "_blank")
}
if (selectedBuilding?.node.isLeaf) {
const sourceLink = selectedBuilding.node.link
if (sourceLink) {
window.open(sourceLink, "_blank")
return
}
}
}
onDocumentMouseDown(event: MouseEvent) {
if (event.button === ClickType.RightClick) {
this.isMoving = true
CodeMapMouseEventService.changeCursorIndicator(CursorType.Moving)
}
if (event.button === ClickType.LeftClick) {
this.isGrabbing = true
CodeMapMouseEventService.changeCursorIndicator(CursorType.Grabbing)
}
this.mouseOnLastClick = { x: event.clientX, y: event.clientY }
;(document.activeElement as HTMLElement).blur()
}
onDocumentMouseUp(event: MouseEvent) {
this.viewCubeMouseEvents.resetIsDragging()
if (event.button === ClickType.LeftClick) {
this.onLeftClick()
} else {
this.onRightClick()
}
if (this.intersectedBuilding !== undefined) {
CodeMapMouseEventService.changeCursorIndicator(CursorType.Pointer)
} else {
CodeMapMouseEventService.changeCursorIndicator(CursorType.Default)
}
}
private calculateHoveredLabel(labels: Object3D[]) {
let labelClosestToViewPoint: Intersection | null = null
for (let counter = 0; counter < labels?.length; counter += 2) {
const intersect = this.raycaster.intersectObject(this.threeSceneService.labels.children[counter])
Iif (intersect.length > 0) {
if (labelClosestToViewPoint === null) {
labelClosestToViewPoint = intersect[0]
} else {
labelClosestToViewPoint =
labelClosestToViewPoint.distance < intersect[0].distance ? labelClosestToViewPoint : intersect[0]
}
}
}
return labelClosestToViewPoint
}
private onRightClick() {
this.isMoving = false
// Check if mouse moved to prevent the node context menu to show up
// after moving the map, when the cursor ends on a building.
if (this.intersectedBuilding && !this.hasMouseMovedMoreThanThreePixels(this.mouseOnLastClick)) {
this.store.dispatch(
setRightClickedNodeData({
value: {
nodeId: this.intersectedBuilding.node.id,
xPositionOfRightClickEvent: this.mouse.x,
yPositionOfRightClickEvent: this.mouse.y
}
})
)
}
this.threeRendererService.render()
}
private onLeftClick() {
this.isGrabbing = false
if (!this.hasMouseMovedMoreThanThreePixels(this.mouseOnLastClick)) {
if (this.intersectedBuilding) {
this.threeSceneService.selectBuilding(this.intersectedBuilding)
this.drawLabelSelectedBuilding(this.intersectedBuilding)
} else {
this.threeSceneService.clearSelection()
this.clearLabelSelectedBuilding()
}
this.threeSceneService.clearConstantHighlight()
}
this.threeRendererService.render()
}
private hasMouseMovedMoreThanThreePixels({ x, y }: Coordinates) {
return (
Math.abs(this.mouse.x - x) > this.THRESHOLD_FOR_MOUSE_MOVEMENT_TRACKING ||
Math.abs(this.mouse.y - y) > this.THRESHOLD_FOR_MOUSE_MOVEMENT_TRACKING
)
}
private hasMouseMoved({ x, y }: Coordinates) {
return this.mouse.x !== x || this.mouse.y !== y
}
private isGrabbingOrMoving() {
return this.isGrabbing || this.isMoving
}
private hoverBuilding(hoveredBuilding: CodeMapBuilding, updateStore = true) {
CodeMapMouseEventService.changeCursorIndicator(CursorType.Pointer)
const idToNode = idToNodeSelector(this.state.getValue())
const codeMapNode = idToNode.get(hoveredBuilding.node.id)
for (const { data } of hierarchy(codeMapNode)) {
const building = this.idToBuilding.get(data.id)
if (building) {
this.threeSceneService.addBuildingToHighlightingList(building)
}
}
this.threeSceneService.highlightBuildings()
if (updateStore) {
this.store.dispatch(setHoveredNodeId({ value: hoveredBuilding.node.id }))
}
}
private transformHTMLToSceneCoordinates(): Coordinates {
const {
renderer,
renderer: { domElement }
} = this.threeRendererService
const pixelRatio = renderer.getPixelRatio()
const rect = domElement.getBoundingClientRect()
const x = (this.mouse.x / domElement.width) * pixelRatio * 2 - 1
const y = -(((this.mouse.y - rect.top) / domElement.height) * pixelRatio) * 2 + 1
return { x, y }
}
private unhoverBuilding(updateStore = true) {
if (!this.isGrabbingOrMoving()) {
CodeMapMouseEventService.changeCursorIndicator(CursorType.Default)
}
if (this.threeSceneService.getConstantHighlight().size > 0) {
this.threeSceneService.clearHoverHighlight()
} else {
this.threeSceneService.clearHighlight()
}
if (updateStore) {
this.store.dispatch(setHoveredNodeId({ value: null }))
}
}
}
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