src/components/arrows/BendableArrow.tsx

@@ -36,6 +36,7 @@ export interface BendableArrowProps {
     onSegmentsChanges: (edges: Segment[]) => void
     forceStraight: boolean
     wavy: boolean
+    readOnly: boolean
 
     startRadius?: number
     endRadius?: number
@@ -87,6 +88,7 @@ function constraintInCircle(center: Pos, reference: Pos, radius: number): Pos {
  * @param segments
  * @param onSegmentsChanges
  * @param wavy
+ * @param readOnly
  * @param forceStraight
  * @param style
  * @param startRadius
@@ -103,6 +105,7 @@ export default function BendableArrow({
 
     forceStraight,
     wavy,
+    readOnly,
 
     style,
     startRadius = 0,
@@ -531,7 +534,7 @@ export default function BendableArrow({
                     }
                     fill="none"
                     tabIndex={0}
-                    onDoubleClick={addSegment}
+                    onDoubleClick={readOnly ? undefined : addSegment}
                     onKeyUp={(e) => {
                         if (onDeleteRequested && e.key == "Delete")
                             onDeleteRequested()
@@ -555,6 +558,7 @@ export default function BendableArrow({
 
             {!forceStraight &&
                 isSelected &&
+                !readOnly &&
                 computePoints(area.current!.getBoundingClientRect())}
         </div>
     )

src/components/editor/BasketCourt.tsx

@@ -6,10 +6,11 @@ import { ComponentId, TacticComponent } from "../../model/tactic/Tactic"
 
 export interface BasketCourtProps {
     components: TacticComponent[]
+    parentComponents: TacticComponent[] | null
     previewAction: ActionPreview | null
 
-    renderComponent: (comp: TacticComponent) => ReactNode
-    renderActions: (comp: TacticComponent) => ReactNode[]
+    renderComponent: (comp: TacticComponent, isFromParent: boolean) => ReactNode
+    renderActions: (comp: TacticComponent, isFromParent: boolean) => ReactNode[]
 
     courtImage: ReactElement
     courtRef: RefObject<HTMLDivElement>
@@ -22,6 +23,7 @@ export interface ActionPreview extends Action {
 
 export function BasketCourt({
     components,
+    parentComponents,
     previewAction,
 
     renderComponent,
@@ -37,15 +39,23 @@ export function BasketCourt({
             style={{ position: "relative" }}>
             {courtImage}
 
-            {courtRef.current && components.map(renderComponent)}
-            {courtRef.current && components.flatMap(renderActions)}
+            {courtRef.current &&
+                parentComponents?.map((i) => renderComponent(i, true))}
+            {courtRef.current &&
+                parentComponents?.flatMap((i) => renderActions(i, true))}
+
+            {courtRef.current &&
+                components.map((i) => renderComponent(i, false))}
+            {courtRef.current &&
+                components.flatMap((i) => renderActions(i, false))}
 
             {previewAction && (
                 <CourtAction
                     courtRef={courtRef}
                     action={previewAction}
                     origin={previewAction.origin}
-                    isInvalid={previewAction.isInvalid}
+                    color={previewAction.isInvalid ? "red" : "black"}
+                    isEditable={true}
                     //do nothing on interacted, not really possible as it's a preview arrow
                     onActionDeleted={() => {}}
                     onActionChanges={() => {}}

src/components/editor/CourtAction.tsx

@@ -7,22 +7,22 @@ import { ComponentId } from "../../model/tactic/Tactic"
 export interface CourtActionProps {
     origin: ComponentId
     action: Action
-    onActionChanges: (a: Action) => void
-    onActionDeleted: () => void
+    color: string
     courtRef: RefObject<HTMLElement>
-    isInvalid: boolean
+    isEditable: boolean
+    onActionChanges?: (a: Action) => void
+    onActionDeleted?: () => void
 }
 
 export function CourtAction({
     origin,
     action,
+    color,
     onActionChanges,
     onActionDeleted,
     courtRef,
-    isInvalid,
+    isEditable,
 }: CourtActionProps) {
-    const color = isInvalid ? "red" : "black"
-
     let head
     switch (action.type) {
         case ActionKind.DRIBBLE:
@@ -49,9 +49,11 @@ export function CourtAction({
             startPos={origin}
             segments={action.segments}
             onSegmentsChanges={(edges) => {
-                onActionChanges({ ...action, segments: edges })
+                if (onActionChanges)
+                    onActionChanges({ ...action, segments: edges })
             }}
             wavy={action.type == ActionKind.DRIBBLE}
+            readOnly={!isEditable}
             //TODO place those magic values in constants
             endRadius={action.target ? 26 : 17}
             startRadius={10}

src/components/editor/PlayerPiece.tsx

@@ -10,7 +10,9 @@ export interface PlayerPieceProps {
 export function PlayerPiece({ team, text, hasBall }: PlayerPieceProps) {
     let className = `player-piece ${team}`
     if (hasBall) {
-        className += ` player-piece-has-ball`
+        className += " player-piece-has-ball"
+    } else {
+        className += " player-piece-has-no-ball"
     }
 
     return (

src/components/editor/StepsTree.tsx

@@ -70,6 +70,7 @@ function StepsTreeNode({
                     onSegmentsChanges={() => {}}
                     forceStraight={true}
                     wavy={false}
+                    readOnly={true}
                     //TODO remove magic constants
                     startRadius={10}
                     endRadius={10}

src/editor/PlayerDomains.ts

@@ -279,9 +279,12 @@ export function removePlayer(
         if (action.type !== ActionKind.SHOOT) {
             continue
         }
-        const actionTarget = content.components.find(
-            (c) => c.id === action.target,
-        )! as PlayerLike
+        if (typeof action.target !== "string") continue
+        const actionTarget = tryGetComponent<PlayerLike>(
+            action.target,
+            content.components,
+        )
+        if (actionTarget === undefined) continue //the target was maybe removed
         return (
             spreadNewStateFromOriginStateChange(
                 actionTarget,

src/editor/StepsDomain.ts

@@ -98,9 +98,9 @@ export function getAvailableId(root: StepInfoNode): number {
 
 export function getParent(
     root: StepInfoNode,
-    node: StepInfoNode,
+    node: number,
 ): StepInfoNode | null {
-    if (root.children.find((n) => n.id === node.id)) return root
+    if (root.children.find((n) => n.id === node)) return root
 
     for (const child of root.children) {
         const result = getParent(child, node)

src/editor/TacticContentDomains.ts

@@ -26,9 +26,10 @@ import {
     getComponent,
     getOrigin,
     getPrecomputedPosition,
+    removePlayer,
     tryGetComponent,
 } from "./PlayerDomains"
-import { ActionKind } from "../model/tactic/Action.ts"
+import { Action, ActionKind } from "../model/tactic/Action.ts"
 import { spreadNewStateFromOriginStateChange } from "./ActionsDomains.ts"
 
 export function placePlayerAt(
@@ -458,17 +459,73 @@ export function drainTerminalStateOnChildContent(
 
     const initialChildCompsCount = childContent.components.length
 
-    //filter out all frozen components that are not present on the parent's terminal state anymore
-    childContent = {
-        components: childContent.components.filter(
-            (comp) =>
-                comp.type === "phantom" ||
-                !comp.frozen ||
-                tryGetComponent(comp.id, parentTerminalState.components),
-        ),
+    for (const component of childContent.components) {
+        if (
+            component.type !== "phantom" &&
+            component.frozen &&
+            !tryGetComponent(component.id, parentTerminalState.components)
+        ) {
+            if (component.type === "player")
+                childContent = removePlayer(component, childContent)
+            else
+                childContent = {
+                    ...childContent,
+                    components: childContent.components.filter(
+                        (c) => c.id !== component.id,
+                    ),
+                }
+        }
     }
 
     gotUpdated ||= childContent.components.length !== initialChildCompsCount
 
     return gotUpdated ? childContent : null
 }
+
+export function mapToParentContent(content: StepContent): StepContent {
+    function mapToParentActions(actions: Action[]): Action[] {
+        return actions.map((a) => ({
+            ...a,
+            target: a.target + "-parent",
+            segments: a.segments.map((s) => ({
+                ...s,
+                next: typeof s.next === "string" ? s.next + "-parent" : s.next,
+            })),
+        }))
+    }
+
+    return {
+        ...content,
+        components: content.components.map((p) => {
+            if (p.type == "ball") return p
+            if (p.type == "player") {
+                return {
+                    ...p,
+                    id: p.id + "-parent",
+                    actions: mapToParentActions(p.actions),
+                    path: p.path && {
+                        items: p.path.items.map((p) => p + "-parent"),
+                    },
+                }
+            }
+            return {
+                ...p,
+                pos:
+                    p.pos.type == "follows"
+                        ? { ...p.pos, attach: p.pos.attach + "-parent" }
+                        : p.pos,
+                id: p.id + "-parent",
+                originPlayerId: p.originPlayerId + "-parent",
+                actions: mapToParentActions(p.actions),
+            }
+        }),
+    }
+}
+
+export function selectContent(
+    id: string,
+    content: StepContent,
+    parentContent: StepContent | null,
+): StepContent {
+    return parentContent && id.endsWith("-parent") ? parentContent : content
+}

src/pages/Editor.tsx

@@ -42,11 +42,13 @@ import {
     dropBallOnComponent,
     getComponentCollided,
     getRackPlayers,
+    mapToParentContent,
     moveComponent,
     placeBallAt,
     placeObjectAt,
     placePlayerAt,
     removeBall,
+    selectContent,
     updateComponent,
 } from "../editor/TacticContentDomains"
 
@@ -202,6 +204,8 @@ function EditorPageWrapper({ service }: { service: TacticService }) {
         [stepsVersions, service, stepId, stepsTree],
     )
 
+    const [parentContent, setParentContent] = useState<StepContent | null>(null)
+
     const [stepContent, setStepContent, saveState] =
         useContentState<StepContent>(
             { components: [] },
@@ -271,21 +275,30 @@ function EditorPageWrapper({ service }: { service: TacticService }) {
         if (isNotInit) init()
     }, [isNotInit, service, setStepContent, stepsVersions])
 
-    const editorService: EditorService = useMemo(
-        () => ({
+    const editorService: EditorService = useMemo(() => {
+        let internalStepsTree = stepsTree
+        return {
             async addStep(
                 parent: StepInfoNode,
                 content: StepContent,
             ): Promise<StepInfoNode | ServiceError> {
                 const result = await service.addStep(parent, content)
-                if (typeof result !== "string")
-                    setStepsTree(addStepNode(stepsTree!, parent, result))
+                if (typeof result !== "string") {
+                    internalStepsTree = addStepNode(
+                        internalStepsTree!,
+                        parent,
+                        result,
+                    )
+                    setStepsTree(internalStepsTree)
+                }
                 return result
             },
             async removeStep(step: number): Promise<void | ServiceError> {
                 const result = await service.removeStep(step)
-                if (typeof result !== "string")
-                    setStepsTree(removeStepNode(stepsTree!, step))
+                if (typeof result !== "string") {
+                    internalStepsTree = removeStepNode(internalStepsTree!, step)
+                    setStepsTree(internalStepsTree)
+                }
                 stepsVersions.delete(step)
                 return result
             },
@@ -304,12 +317,19 @@ function EditorPageWrapper({ service }: { service: TacticService }) {
             async selectStep(step: number): Promise<void | ServiceError> {
                 const result = await service.getContent(step)
                 if (typeof result === "string") return result
+                const stepParent = getParent(internalStepsTree!, step)?.id
+                if (stepParent) {
+                    const parentResult = await service.getContent(stepParent)
+                    if (typeof parentResult === "string") return parentResult
+                    setParentContent(mapToParentContent(parentResult))
+                } else {
+                    setParentContent(null)
+                }
                 setStepId(step)
                 setStepContent(result, false)
             },
-        }),
-        [stepsVersions, service, setStepContent, stepsTree],
-    )
+        }
+    }, [stepsVersions, service, setStepContent, stepsTree])
 
     if (panicMessage) {
         return <p>{panicMessage}</p>
@@ -326,6 +346,7 @@ function EditorPageWrapper({ service }: { service: TacticService }) {
             stepId={stepId}
             stepsTree={stepsTree}
             contentSaveState={saveState}
+            parentContent={parentContent}
             content={stepContent}
             service={editorService}
             courtRef={courtRef}
@@ -337,10 +358,12 @@ export interface EditorViewProps {
     stepsTree: StepInfoNode
     name: string
     courtType: CourtType
-    content: StepContent
     contentSaveState: SaveState
     stepId: number
 
+    parentContent: StepContent | null
+    content: StepContent
+
     courtRef: RefObject<HTMLDivElement>
 
     service: EditorService
@@ -349,6 +372,7 @@ export interface EditorViewProps {
 function EditorPage({
     name,
     courtType,
+    parentContent,
     content,
     stepId,
     contentSaveState,
@@ -465,7 +489,10 @@ function EditorPage({
                     ) == -1
                 isFrozen = player.frozen
             } else {
-                const origin = getOrigin(player, content.components)
+                const origin = getOrigin(
+                    player,
+                    selectContent(player.id, content, parentContent).components,
+                )
                 const path = origin.path!
                 // phantoms can only place other arrows if they are the head of the path
                 canPlaceArrows =
@@ -516,18 +543,23 @@ function EditorPage({
     )
 
     const renderPlayer = useCallback(
-        (component: PlayerLike) => {
+        (component: PlayerLike, isFromParent: boolean) => {
             let info: PlayerInfo
             const isPhantom = component.type == "phantom"
+
+            let forceFreeze = isFromParent
+
+            const usedContent = isFromParent ? parentContent! : content
+
             if (isPhantom) {
-                const origin = getOrigin(component, content.components)
+                const origin = getOrigin(component, usedContent.components)
                 info = {
                     id: component.id,
                     team: origin.team,
                     role: origin.role,
                     pos: computePhantomPositioning(
                         component,
-                        content,
+                        usedContent,
                         relativePositions,
                         courtBounds(),
                     ),
@@ -536,24 +568,31 @@ function EditorPage({
             } else {
                 info = component
 
-                if (component.frozen) {
-                    return (
-                        <CourtPlayer
-                            key={component.id}
-                            playerInfo={info}
-                            className={"player"}
-                            availableActions={() =>
-                                renderAvailablePlayerActions(info, component)
-                            }
-                        />
-                    )
-                }
+                forceFreeze ||= component.frozen
+            }
+
+            const className =
+                (isPhantom ? "phantom" : "player") +
+                " " +
+                (isFromParent ? "from-parent" : "")
+
+            if (forceFreeze) {
+                return (
+                    <CourtPlayer
+                        key={component.id}
+                        playerInfo={info}
+                        className={className}
+                        availableActions={() =>
+                            renderAvailablePlayerActions(info, component)
+                        }
+                    />
+                )
             }
 
             return (
                 <EditableCourtPlayer
                     key={component.id}
-                    className={isPhantom ? "phantom" : "player"}
+                    className={className}
                     playerInfo={info}
                     onPositionValidated={(newPos) =>
                         validatePlayerPosition(component, info, newPos)
@@ -604,11 +643,11 @@ function EditorPage({
     )
 
     const renderComponent = useCallback(
-        (component: TacticComponent) => {
+        (component: TacticComponent, isFromParent: boolean) => {
             if (component.type === "player" || component.type === "phantom") {
-                return renderPlayer(component)
+                return renderPlayer(component, isFromParent)
             }
-            if (component.type === BALL_TYPE) {
+            if (component.type === BALL_TYPE && !isFromParent) {
                 return (
                     <CourtBall
                         key="ball"
@@ -630,7 +669,7 @@ function EditorPage({
     )
 
     const renderActions = useCallback(
-        (component: TacticComponent) =>
+        (component: TacticComponent, isFromParent: boolean) =>
             component.actions.map((action, i) => {
                 return (
                     <CourtAction
@@ -638,13 +677,16 @@ function EditorPage({
                         action={action}
                         origin={component.id}
                         courtRef={courtRef}
-                        isInvalid={false}
+                        color={isFromParent ? "gray" : "black"}
+                        isEditable={!isFromParent}
                         onActionDeleted={() => {
-                            doDeleteAction(action, i, component)
+                            if (!isFromParent)
+                                doDeleteAction(action, i, component)
+                        }}
+                        onActionChanges={(action) => {
+                            if (!isFromParent)
+                                doUpdateAction(component, action, i)
                         }}
-                        onActionChanges={(action) =>
-                            doUpdateAction(component, action, i)
-                        }
                     />
                 )
             }),
@@ -698,6 +740,7 @@ function EditorPage({
             <div id="court-div">
                 <div id="court-div-bounds">
                     <BasketCourt
+                        parentComponents={parentContent?.components ?? null}
                         components={content.components}
                         courtImage={<Court courtType={courtType} />}
                         courtRef={courtRef}
@@ -731,7 +774,9 @@ function EditorPage({
             onRemoveNode={useCallback(
                 async (removed) => {
                     await service.removeStep(removed.id)
-                    await service.selectStep(getParent(stepsTree, removed)!.id)
+                    await service.selectStep(
+                        getParent(stepsTree, removed.id)!.id,
+                    )
                 },
                 [service, stepsTree],
             )}

src/style/player.css

@@ -6,6 +6,11 @@
     opacity: 50%;
 }
 
+.from-parent .player-piece {
+    color: white;
+    background-color: var(--player-from-parent-color);
+}
+
 .player-content {
     display: flex;
     flex-direction: column;
@@ -40,8 +45,13 @@
     border-color: var(--player-piece-ball-border-color);
 }
 
+.player-piece-has-no-ball {
+    padding: 2px;
+}
+
 .player-actions {
     display: flex;
+    pointer-events: none;
 
     position: absolute;
     flex-direction: row;

src/style/template/header.css

@@ -15,6 +15,7 @@
 
 #img-account {
     cursor: pointer;
+    margin-right: 5px;
 }
 
 #header-left,
@@ -28,6 +29,8 @@
     flex-direction: column;
     justify-content: center;
     align-items: end;
+    color: white;
+    margin-right: 5px;
 }
 
 #clickable-header-right:hover #username {

src/style/theme/default.css

@@ -9,6 +9,7 @@
     --selected-team-secondarycolor: #000000;
     --player-allies-color: #64e4f5;
     --player-opponents-color: #f59264;
+    --player-from-parent-color: #494949;
 
     --buttons-shadow-color: #a8a8a8;