initial commit of the paytime session frontend
This commit is contained in:
jenz
@@ -0,0 +1,338 @@
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'use client';
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import { useEffect, useRef, useState } from 'react';
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import Link from 'next/link';
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import { useContainerWidth } from '@/lib/useContainerWidth';
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import PlayerChipList from './PlayerChipList';
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interface MapPoint {
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map_id: number;
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map_name: string;
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map_start_dt: string;
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players_online_at_start: number;
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}
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interface PlayerChip {
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steamid: string;
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name: string;
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avatarUrl: string;
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}
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const HEIGHT = 288;
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const PAD_LEFT = 32;
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const PAD_RIGHT = 8;
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const PAD_TOP = 8;
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const PAD_BOTTOM = 36;
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const FETCH_LIMIT = 150; // pool of maps available to pan/zoom through
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const DEFAULT_VISIBLE = 40;
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const MIN_VISIBLE = 5;
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export default function MapPopulationChart() {
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const { ref: containerRef, width } = useContainerWidth<HTMLDivElement>();
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const [points, setPoints] = useState<MapPoint[]>([]);
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const [loading, setLoading] = useState(true);
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const [hoverIndex, setHoverIndex] = useState<number | null>(null);
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// Visible window (index range into `points`) — what scroll-to-zoom /
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// drag-to-pan adjusts. Defaults to the most recent DEFAULT_VISIBLE maps.
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const [viewStartIdx, setViewStartIdx] = useState(0);
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const [viewEndIdx, setViewEndIdx] = useState(0);
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const dragStartRef = useRef<{ x: number; startIdx: number; endIdx: number } | null>(null);
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const dragMovedRef = useRef(false);
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const [selectedMap, setSelectedMap] = useState<MapPoint | null>(null);
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const [selectedPlayers, setSelectedPlayers] = useState<PlayerChip[]>([]);
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const [loadingPlayers, setLoadingPlayers] = useState(false);
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useEffect(() => {
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fetch(`/api/map-population?limit=${FETCH_LIMIT}`)
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.then((res) => res.json())
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.then((data) => {
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const pts: MapPoint[] = data.points ?? [];
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setPoints(pts);
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const startIdx = Math.max(0, pts.length - DEFAULT_VISIBLE);
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setViewStartIdx(startIdx);
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setViewEndIdx(pts.length);
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const latest = pts[pts.length - 1];
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if (latest) loadPlayersFor(latest);
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})
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.finally(() => setLoading(false));
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, []);
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async function loadPlayersFor(point: MapPoint) {
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setSelectedMap(point);
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setLoadingPlayers(true);
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try {
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const res = await fetch(`/api/map-population/players?mapId=${point.map_id}`);
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const data = await res.json();
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setSelectedPlayers(data.players ?? []);
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} catch {
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setSelectedPlayers([]);
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} finally {
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setLoadingPlayers(false);
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}
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}
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const visiblePoints = points.slice(viewStartIdx, viewEndIdx);
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const plotWidth = Math.max(0, width - PAD_LEFT - PAD_RIGHT);
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const plotHeight = HEIGHT - PAD_TOP - PAD_BOTTOM;
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const maxValue = Math.max(1, ...visiblePoints.map((p) => p.players_online_at_start));
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const axisMax = Math.ceil((maxValue * 1.15) / 5) * 5 || 5;
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const slotWidth = visiblePoints.length > 0 ? plotWidth / visiblePoints.length : 0;
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const barWidth = Math.max(2, slotWidth * 0.6);
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function barX(i: number) {
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return PAD_LEFT + i * slotWidth + (slotWidth - barWidth) / 2;
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}
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function barY(value: number) {
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const h = (value / axisMax) * plotHeight;
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return PAD_TOP + (plotHeight - h);
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}
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function barHeight(value: number) {
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return Math.max(value > 0 ? 2 : 0, (value / axisMax) * plotHeight);
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}
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function indexForX(x: number): number {
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if (slotWidth === 0) return 0;
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return Math.max(0, Math.min(visiblePoints.length - 1, Math.floor((x - PAD_LEFT) / slotWidth)));
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}
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function handleMouseDown(e: React.MouseEvent<SVGSVGElement>) {
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const rect = e.currentTarget.getBoundingClientRect();
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dragStartRef.current = { x: e.clientX - rect.left, startIdx: viewStartIdx, endIdx: viewEndIdx };
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dragMovedRef.current = false;
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}
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function handleMouseMove(e: React.MouseEvent<SVGSVGElement>) {
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const rect = e.currentTarget.getBoundingClientRect();
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const x = e.clientX - rect.left;
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if (dragStartRef.current) {
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const dx = x - dragStartRef.current.x;
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if (Math.abs(dx) > 3) dragMovedRef.current = true;
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if (dragMovedRef.current && slotWidth > 0) {
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const shiftBars = -Math.round(dx / slotWidth);
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const windowSize = dragStartRef.current.endIdx - dragStartRef.current.startIdx;
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let newStart = dragStartRef.current.startIdx + shiftBars;
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let newEnd = dragStartRef.current.endIdx + shiftBars;
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if (newStart < 0) {
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newStart = 0;
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newEnd = windowSize;
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}
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if (newEnd > points.length) {
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newEnd = points.length;
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newStart = newEnd - windowSize;
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}
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setViewStartIdx(newStart);
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setViewEndIdx(newEnd);
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}
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} else {
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setHoverIndex(indexForX(x));
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}
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}
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function handleMouseUp() {
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dragStartRef.current = null;
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}
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function handleWheel(e: React.WheelEvent<SVGSVGElement>) {
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e.preventDefault();
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if (points.length === 0) return;
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const rect = e.currentTarget.getBoundingClientRect();
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const x = e.clientX - rect.left;
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const anchorIdxInView = indexForX(x);
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const anchorAbsIdx = viewStartIdx + anchorIdxInView;
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const currentSize = viewEndIdx - viewStartIdx;
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const zoomFactor = e.deltaY > 0 ? 1.2 : 1 / 1.2; // scroll down = zoom out (more bars), up = zoom in (fewer bars)
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let newSize = Math.round(currentSize * zoomFactor);
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newSize = Math.max(MIN_VISIBLE, Math.min(points.length, newSize));
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const ratio = currentSize > 0 ? (anchorAbsIdx - viewStartIdx) / currentSize : 0.5;
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let newStart = Math.round(anchorAbsIdx - ratio * newSize);
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let newEnd = newStart + newSize;
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if (newStart < 0) {
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newStart = 0;
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newEnd = newSize;
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}
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if (newEnd > points.length) {
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newEnd = points.length;
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newStart = newEnd - newSize;
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}
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setViewStartIdx(newStart);
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setViewEndIdx(newEnd);
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}
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function resetZoom() {
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const startIdx = Math.max(0, points.length - DEFAULT_VISIBLE);
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setViewStartIdx(startIdx);
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setViewEndIdx(points.length);
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}
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const isZoomed = viewStartIdx > 0 || viewEndIdx < points.length;
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const yTicks = [0, Math.round(axisMax / 2), axisMax];
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return (
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<div className="panel p-6">
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<div className="mb-6">
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<div className="stat-label mb-1">Population by map</div>
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<h2 className="text-lg text-ink">
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{visiblePoints.length} of {points.length} maps
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</h2>
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</div>
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<div className="flex items-center justify-between gap-4 mb-2">
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<div className="flex items-center gap-1.5 text-xs text-accent">
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<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
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<path d="M9 9l6 6M9 15l6-6" strokeLinecap="round" />
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<circle cx="12" cy="12" r="9" />
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</svg>
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Scroll to zoom, drag to pan, click a bar for who was online
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</div>
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{isZoomed && (
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<button onClick={resetZoom} className="text-xs text-ink-muted hover:text-accent transition-colors underline">
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Reset zoom
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</button>
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)}
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</div>
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<div ref={containerRef} className="h-72 w-full relative">
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{loading ? (
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<div className="h-full flex items-center justify-center text-ink-faint text-sm font-mono">
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loading…
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</div>
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) : points.length === 0 ? (
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<div className="h-full flex items-center justify-center text-ink-muted text-sm">
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No map history recorded yet.
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</div>
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) : (
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<>
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<svg
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width={width}
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height={HEIGHT}
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style={{ cursor: 'crosshair', touchAction: 'none' }}
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onMouseDown={handleMouseDown}
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onMouseMove={handleMouseMove}
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onMouseUp={handleMouseUp}
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onMouseLeave={() => {
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setHoverIndex(null);
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dragStartRef.current = null;
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}}
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onWheel={handleWheel}
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onClick={() => {
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if (dragMovedRef.current) {
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dragMovedRef.current = false;
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return;
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}
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if (hoverIndex != null && visiblePoints[hoverIndex]) {
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loadPlayersFor(visiblePoints[hoverIndex]);
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}
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}}
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>
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{yTicks.map((v) => {
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const y = barY(v);
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return (
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<g key={v}>
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<line x1={PAD_LEFT} y1={y} x2={width - PAD_RIGHT} y2={y} stroke="#2A332E" />
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<text x={PAD_LEFT - 6} y={y + 3} textAnchor="end" fontSize={11} fill="#8A9691">
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{v}
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</text>
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</g>
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);
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})}
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{visiblePoints.map((p, i) => (
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<rect
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key={p.map_id}
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x={barX(i)}
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y={barY(p.players_online_at_start)}
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width={barWidth}
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height={barHeight(p.players_online_at_start)}
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rx={2}
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fill="#3FD37A"
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fillOpacity={hoverIndex === i ? 1 : 0.85}
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/>
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))}
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{visiblePoints.map((p, i) => {
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const showEvery = Math.max(1, Math.ceil((visiblePoints.length * 70) / plotWidth));
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if (i !== 0 && i !== visiblePoints.length - 1 && i % showEvery !== 0) return null;
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const label = p.map_name.length > 12 ? `${p.map_name.slice(0, 11)}…` : p.map_name;
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return (
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<text
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key={p.map_id}
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x={barX(i) + barWidth / 2}
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y={HEIGHT - PAD_BOTTOM + 14}
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textAnchor="middle"
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fontSize={9}
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fill="#8A9691"
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>
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{label}
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</text>
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);
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})}
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<line
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x1={PAD_LEFT}
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y1={PAD_TOP + plotHeight}
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x2={width - PAD_RIGHT}
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y2={PAD_TOP + plotHeight}
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stroke="#4C5652"
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/>
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</svg>
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{hoverIndex != null && visiblePoints[hoverIndex] && (
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<div
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className="absolute pointer-events-none"
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style={{
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left: Math.min(width - 180, Math.max(0, barX(hoverIndex) - 60)),
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top: barY(visiblePoints[hoverIndex].players_online_at_start) - 60,
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background: '#121715',
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border: '1px solid #1F2723',
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borderRadius: 6,
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fontSize: 12,
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padding: '8px 10px',
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whiteSpace: 'nowrap',
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}}
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>
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<div style={{ color: '#E4EBE7' }}>{visiblePoints[hoverIndex].map_name}</div>
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<div style={{ color: '#8A9691' }}>
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{new Date(visiblePoints[hoverIndex].map_start_dt.replace(' ', 'T')).toLocaleString()}
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</div>
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<div style={{ color: '#3FD37A' }}>
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{visiblePoints[hoverIndex].players_online_at_start} players at map start
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</div>
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</div>
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)}
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</>
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)}
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</div>
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{points.length > 0 && (
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<div className="mt-2 text-xs text-ink-faint">
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Visit the{' '}
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<Link href="/maps" className="text-accent hover:underline">
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maps page
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</Link>{' '}
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for full detail (votes, prev/next map).
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</div>
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)}
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{selectedMap && (
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<div className="mt-4 pt-4 border-t border-base-border">
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<div className="stat-label mb-3">
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Players during{' '}
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<Link href={`/maps/period/${selectedMap.map_id}`} className="text-accent hover:underline">
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{selectedMap.map_name}
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</Link>{' '}
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({selectedPlayers.length} player{selectedPlayers.length === 1 ? '' : 's'})
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</div>
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<PlayerChipList players={selectedPlayers} loading={loadingPlayers} />
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</div>
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)}
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</div>
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);
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}
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