feat: drop

packages/website/src/components/TierList/DropOff/constants.ts

@@ -0,0 +1 @@
+export const tierListDropOffs = new Set<HTMLDivElement>();

packages/website/src/components/TierList/DropOff/index.css

@@ -0,0 +1,9 @@
+.drop-off {
+  width: 0.125rem;
+  height: 100%;
+  border-radius: var(--radius-1);
+}
+
+.drop-off[data-dragging='true'] {
+  background-color: var(--accent-indicator);
+}

packages/website/src/components/TierList/DropOff/index.tsx

@@ -0,0 +1,42 @@
+import { Box } from '@radix-ui/themes';
+import { useEffect, useRef } from 'react';
+import { TierList } from '../../../stores/tierList';
+import { tierListDropOffs } from './constants';
+import './index.css';
+
+interface DropOffProps {
+  row: number;
+  index: number;
+}
+
+export function DropOff({ row, index }: DropOffProps) {
+  const tierListStore = TierList.useStore();
+  const ref = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    const unsubscribe = tierListStore.subscribe(
+      (state) => state.dragging,
+      (dragging) => {
+        if (!ref.current) return;
+        ref.current.dataset.dragging = `${dragging}`;
+      },
+    );
+
+    tierListDropOffs.add(ref.current!);
+
+    return () => {
+      unsubscribe();
+      tierListDropOffs.delete(ref.current!);
+    };
+  }, []);
+
+  return (
+    <Box
+      className="drop-off"
+      data-dragging="false"
+      data-row={row}
+      data-index={index}
+      ref={ref}
+    />
+  );
+}

packages/website/src/components/TierList/Row.tsx

@@ -0,0 +1,47 @@
+import { fetchTankDefinitions } from '@blitzkit/core';
+import { Flex, Heading, Table } from '@radix-ui/themes';
+import { Fragment } from 'react';
+import { Var } from '../../core/radix/var';
+import { TierList } from '../../stores/tierList';
+import { DropOff } from './DropOff';
+import { tierListRows } from './Table/constants';
+import { TierListTile } from './Tile';
+
+interface TierListRowProps {
+  index: number;
+}
+
+const tankDefinitions = await fetchTankDefinitions();
+
+export function TierListRow({ index }: TierListRowProps) {
+  const row = tierListRows[index];
+  const tanks = TierList.use((state) => state.tanks[index]);
+
+  return (
+    <Table.Row key={row.name}>
+      <Table.RowHeaderCell
+        width="0"
+        style={{ backgroundColor: Var(row.color) }}
+      >
+        <Heading>{row.name}</Heading>
+      </Table.RowHeaderCell>
+
+      <Table.Cell>
+        <Flex wrap="wrap" height="100%" gap="2">
+          <DropOff row={index} index={0} />
+
+          {tanks.map((id, tankIndex) => {
+            const tank = tankDefinitions.tanks[id];
+
+            return (
+              <Fragment key={id}>
+                <TierListTile tank={tank} />
+                <DropOff row={index} index={tankIndex + 1} />
+              </Fragment>
+            );
+          })}
+        </Flex>
+      </Table.Cell>
+    </Table.Row>
+  );
+}

packages/website/src/components/TierList/Table.tsx

@@ -1,34 +0,0 @@
-import { Heading, Table } from '@radix-ui/themes';
-import { Var, type VarName } from '../../core/radix/var';
-
-const rows: {
-  name: string;
-  color: VarName;
-}[] = [
-  { name: 'S', color: 'tomato-9' },
-  { name: 'A', color: 'orange-9' },
-  { name: 'B', color: 'amber-9' },
-  { name: 'C', color: 'green-9' },
-  { name: 'D', color: 'blue-9' },
-];
-
-export function TierListTable() {
-  return (
-    <Table.Root variant="surface">
-      <Table.Body>
-        {rows.map((row) => (
-          <Table.Row key={row.name}>
-            <Table.RowHeaderCell
-              width="0"
-              style={{ backgroundColor: Var(row.color) }}
-            >
-              <Heading>{row.name}</Heading>
-            </Table.RowHeaderCell>
-
-            <Table.Cell></Table.Cell>
-          </Table.Row>
-        ))}
-      </Table.Body>
-    </Table.Root>
-  );
-}

packages/website/src/components/TierList/Table/constants.ts

@@ -0,0 +1,12 @@
+import type { VarName } from '../../../core/radix/var';
+
+export const tierListRows: {
+  name: string;
+  color: VarName;
+}[] = [
+  { name: 'S', color: 'tomato-9' },
+  { name: 'A', color: 'orange-9' },
+  { name: 'B', color: 'amber-9' },
+  { name: 'C', color: 'green-9' },
+  { name: 'D', color: 'blue-9' },
+];

packages/website/src/components/TierList/Table/index.tsx

@@ -0,0 +1,15 @@
+import { Table } from '@radix-ui/themes';
+import { TierListRow } from '../Row';
+import { tierListRows } from './constants';
+
+export function TierListTable() {
+  return (
+    <Table.Root variant="surface">
+      <Table.Body>
+        {tierListRows.map((_, index) => (
+          <TierListRow index={index} key={index} />
+        ))}
+      </Table.Body>
+    </Table.Root>
+  );
+}

packages/website/src/components/TierList/Tile.tsx

@@ -4,7 +4,9 @@ import {
   useRef,
   type PointerEvent as ReactPointerEvent,
 } from 'react';
+import { TierList } from '../../stores/tierList';
 import { TankCard } from '../TankCard';
+import { tierListDropOffs } from './DropOff/constants';
 
 interface TierListTileProps {
   tank: TankDefinition;
@@ -12,11 +14,14 @@ interface TierListTileProps {
 
 export function TierListTile({ tank }: TierListTileProps) {
   const card = useRef<HTMLDivElement>(null);
+  const mutateTierList = TierList.useMutation();
   const lastPosition = useRef({ x: 0, y: 0 });
   const handlePointerDown = useCallback(
     (event: ReactPointerEvent<HTMLSpanElement>) => {
       if (!card.current) return;
 
+      event.preventDefault();
+
       const rect = card.current.getBoundingClientRect();
 
       card.current.style.position = 'fixed';
@@ -29,12 +34,18 @@ export function TierListTile({ tank }: TierListTileProps) {
 
       window.addEventListener('pointermove', handlePointerMove);
       window.addEventListener('pointerup', handlePointerUp);
+
+      mutateTierList((draft) => {
+        draft.dragging = true;
+      });
     },
     [],
   );
   const handlePointerMove = useCallback((event: PointerEvent) => {
     if (!card.current) return;
 
+    event.preventDefault();
+
     const rect = card.current.getBoundingClientRect();
     const dx = event.clientX - lastPosition.current.x;
     const dy = event.clientY - lastPosition.current.y;
@@ -44,12 +55,53 @@ export function TierListTile({ tank }: TierListTileProps) {
 
     lastPosition.current = { x: event.clientX, y: event.clientY };
   }, []);
-  const handlePointerUp = useCallback(() => {
+  const handlePointerUp = useCallback((event: PointerEvent) => {
     if (!card.current) return;
 
+    const rect = card.current.getBoundingClientRect();
+    let dropOff: { row: number; index: number; distance: number };
+
+    tierListDropOffs.forEach((element) => {
+      const thisRect = element.getBoundingClientRect();
+      const thisX = (thisRect.left + thisRect.right) / 2;
+      const thisY = (thisRect.top + thisRect.bottom) / 2;
+      let distance = 0;
+
+      if (
+        (thisX < rect.left || thisX > rect.right) &&
+        (thisY < rect.top || thisY > rect.bottom)
+      ) {
+        const rectX = (rect.left + rect.right) / 2;
+        const rectY = (rect.top + rect.bottom) / 2;
+        distance = Math.sqrt((thisX - rectX) ** 2 + (thisY - rectY) ** 2);
+      }
+
+      if (dropOff === undefined || dropOff.distance > distance) {
+        dropOff = {
+          row: Number(element.dataset.row),
+          index: Number(element.dataset.index),
+          distance,
+        };
+      }
+    });
+
+    mutateTierList((draft) => {
+      draft.dragging = false;
+      draft.tanks = draft.tanks.map((tanks) =>
+        tanks.filter((id) => id !== tank.id),
+      );
+
+      if (dropOff) {
+        draft.tanks[dropOff.row].splice(dropOff.index, 0, tank.id);
+      }
+    });
+
     card.current.style.position = 'static';
     card.current.style.zIndex = 'unset';
     card.current.style.cursor = 'grab';
+
+    window.removeEventListener('pointermove', handlePointerMove);
+    window.removeEventListener('pointerup', handlePointerUp);
   }, []);
 
   return (

packages/website/src/pages/tools/tier-list/_index.tsx

@@ -1,13 +1,16 @@
 import { PageWrapper } from '../../../components/PageWrapper';
-import { TierListTiles } from '../../../components/TierList/Tiles';
 import { TierListTable } from '../../../components/TierList/Table';
+import { TierListTiles } from '../../../components/TierList/Tiles';
 import { TankopediaPersistent } from '../../../stores/tankopediaPersistent';
+import { TierList } from '../../../stores/tierList';
 
 export function Page() {
   return (
-    <TankopediaPersistent.Provider>
-      <Content />
-    </TankopediaPersistent.Provider>
+    <TierList.Provider>
+      <TankopediaPersistent.Provider>
+        <Content />
+      </TankopediaPersistent.Provider>
+    </TierList.Provider>
   );
 }
 

packages/website/src/stores/tierList.ts

@@ -0,0 +1,18 @@
+import { create } from 'zustand';
+import { subscribeWithSelector } from 'zustand/middleware';
+import { tierListRows } from '../components/TierList/Table/constants';
+import { createContextualStore } from '../core/zustand/createContextualStore';
+
+export interface TierList {
+  dragging: boolean;
+  tanks: number[][];
+}
+
+export const TierList = createContextualStore(() =>
+  create<TierList>()(
+    subscribeWithSelector<TierList>(() => ({
+      dragging: false,
+      tanks: tierListRows.map(() => []),
+    })),
+  ),
+);