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css only checkered pattern, simplified Tile, deleted number prop #148

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253 changes: 131 additions & 122 deletions reactjs-projects/chess-app/src/components/Chessboard/Chessboard.tsx
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Original file line number Diff line number Diff line change
@@ -1,137 +1,146 @@
import { useRef, useState } from "react";
import "./Chessboard.css";
import Tile from "../Tile/Tile";
import {
VERTICAL_AXIS,
HORIZONTAL_AXIS,
GRID_SIZE,
} from "../../Constants";
import { VERTICAL_AXIS, HORIZONTAL_AXIS, GRID_SIZE } from "../../Constants";
import { Piece, Position } from "../../models";

interface Props {
playMove: (piece: Piece, position: Position) => boolean;
pieces: Piece[];
playMove: (piece: Piece, position: Position) => boolean;
pieces: Piece[];
}

export default function Chessboard({playMove, pieces} : Props) {
const [activePiece, setActivePiece] = useState<HTMLElement | null>(null);
const [grabPosition, setGrabPosition] = useState<Position>(new Position(-1, -1));
const chessboardRef = useRef<HTMLDivElement>(null);

function grabPiece(e: React.MouseEvent) {
const element = e.target as HTMLElement;
const chessboard = chessboardRef.current;
if (element.classList.contains("chess-piece") && chessboard) {
const grabX = Math.floor((e.clientX - chessboard.offsetLeft) / GRID_SIZE);
const grabY = Math.abs(
Math.ceil((e.clientY - chessboard.offsetTop - 800) / GRID_SIZE)
);
setGrabPosition(new Position(grabX, grabY));

const x = e.clientX - GRID_SIZE / 2;
const y = e.clientY - GRID_SIZE / 2;
element.style.position = "absolute";
element.style.left = `${x}px`;
element.style.top = `${y}px`;

setActivePiece(element);
}
}

function movePiece(e: React.MouseEvent) {
const chessboard = chessboardRef.current;
if (activePiece && chessboard) {
const minX = chessboard.offsetLeft - 25;
const minY = chessboard.offsetTop - 25;
const maxX = chessboard.offsetLeft + chessboard.clientWidth - 75;
const maxY = chessboard.offsetTop + chessboard.clientHeight - 75;
const x = e.clientX - 50;
const y = e.clientY - 50;
activePiece.style.position = "absolute";

//If x is smaller than minimum amount
if (x < minX) {
activePiece.style.left = `${minX}px`;
}
//If x is bigger than maximum amount
else if (x > maxX) {
activePiece.style.left = `${maxX}px`;
}
//If x is in the constraints
else {
activePiece.style.left = `${x}px`;
}

//If y is smaller than minimum amount
if (y < minY) {
activePiece.style.top = `${minY}px`;
}
//If y is bigger than maximum amount
else if (y > maxY) {
activePiece.style.top = `${maxY}px`;
}
//If y is in the constraints
else {
activePiece.style.top = `${y}px`;
}
}
}

function dropPiece(e: React.MouseEvent) {
const chessboard = chessboardRef.current;
if (activePiece && chessboard) {
const x = Math.floor((e.clientX - chessboard.offsetLeft) / GRID_SIZE);
const y = Math.abs(
Math.ceil((e.clientY - chessboard.offsetTop - 800) / GRID_SIZE)
);

const currentPiece = pieces.find((p) =>
p.samePosition(grabPosition)
);

if (currentPiece) {
var succes = playMove(currentPiece.clone(), new Position(x, y));

if(!succes) {
//RESETS THE PIECE POSITION
activePiece.style.position = "relative";
activePiece.style.removeProperty("top");
activePiece.style.removeProperty("left");
export default function Chessboard({ playMove, pieces }: Props) {
const [activePiece, setActivePiece] = useState<HTMLElement | null>(null);
const [grabPosition, setGrabPosition] = useState<Position>(
new Position(-1, -1)
);
const chessboardRef = useRef<HTMLDivElement>(null);

function grabPiece(e: React.MouseEvent) {
const element = e.target as HTMLElement;
const chessboard = chessboardRef.current;
if (element.classList.contains("chess-piece") && chessboard) {
const grabX = Math.floor(
(e.clientX - chessboard.offsetLeft) / GRID_SIZE
);
const grabY = Math.abs(
Math.ceil((e.clientY - chessboard.offsetTop - 800) / GRID_SIZE)
);
setGrabPosition(new Position(grabX, grabY));

const x = e.clientX - GRID_SIZE / 2;
const y = e.clientY - GRID_SIZE / 2;
element.style.position = "absolute";
element.style.left = `${x}px`;
element.style.top = `${y}px`;

setActivePiece(element);
}
}
setActivePiece(null);
}
}

let board = [];

for (let j = VERTICAL_AXIS.length - 1; j >= 0; j--) {
for (let i = 0; i < HORIZONTAL_AXIS.length; i++) {
const number = j + i + 2;
const piece = pieces.find((p) =>
p.samePosition(new Position(i, j))
);
let image = piece ? piece.image : undefined;
function movePiece(e: React.MouseEvent) {
const chessboard = chessboardRef.current;
if (activePiece && chessboard) {
const minX = chessboard.offsetLeft - 25;
const minY = chessboard.offsetTop - 25;
const maxX = chessboard.offsetLeft + chessboard.clientWidth - 75;
const maxY = chessboard.offsetTop + chessboard.clientHeight - 75;
const x = e.clientX - 50;
const y = e.clientY - 50;
activePiece.style.position = "absolute";

//If x is smaller than minimum amount
if (x < minX) {
activePiece.style.left = `${minX}px`;
}
//If x is bigger than maximum amount
else if (x > maxX) {
activePiece.style.left = `${maxX}px`;
}
//If x is in the constraints
else {
activePiece.style.left = `${x}px`;
}

//If y is smaller than minimum amount
if (y < minY) {
activePiece.style.top = `${minY}px`;
}
//If y is bigger than maximum amount
else if (y > maxY) {
activePiece.style.top = `${maxY}px`;
}
//If y is in the constraints
else {
activePiece.style.top = `${y}px`;
}
}
}

let currentPiece = activePiece != null ? pieces.find(p => p.samePosition(grabPosition)) : undefined;
let highlight = currentPiece?.possibleMoves ?
currentPiece.possibleMoves.some(p => p.samePosition(new Position(i, j))) : false;
function dropPiece(e: React.MouseEvent) {
const chessboard = chessboardRef.current;
if (activePiece && chessboard) {
const x = Math.floor(
(e.clientX - chessboard.offsetLeft) / GRID_SIZE
);
const y = Math.abs(
Math.ceil((e.clientY - chessboard.offsetTop - 800) / GRID_SIZE)
);

const currentPiece = pieces.find((p) =>
p.samePosition(grabPosition)
);

if (currentPiece) {
var succes = playMove(currentPiece.clone(), new Position(x, y));

if (!succes) {
//RESETS THE PIECE POSITION
activePiece.style.position = "relative";
activePiece.style.removeProperty("top");
activePiece.style.removeProperty("left");
}
}
setActivePiece(null);
}
}

board.push(<Tile key={`${j},${i}`} image={image} number={number} highlight={highlight} />);
let board = [];

for (let j = VERTICAL_AXIS.length - 1; j >= 0; j--) {
for (let i = 0; i < HORIZONTAL_AXIS.length; i++) {
const piece = pieces.find((p) =>
p.samePosition(new Position(i, j))
);
let image = piece ? piece.image : undefined;

let currentPiece =
activePiece != null
? pieces.find((p) => p.samePosition(grabPosition))
: undefined;
let highlight = currentPiece?.possibleMoves
? currentPiece.possibleMoves.some((p) =>
p.samePosition(new Position(i, j))
)
: false;

board.push(
<Tile key={`${j},${i}`} image={image} highlight={highlight} />
);
}
}
}

return (
<>
<div
onMouseMove={(e) => movePiece(e)}
onMouseDown={(e) => grabPiece(e)}
onMouseUp={(e) => dropPiece(e)}
id="chessboard"
ref={chessboardRef}
>
{board}
</div>
</>
);

return (
<>
<div
onMouseMove={(e) => movePiece(e)}
onMouseDown={(e) => grabPiece(e)}
onMouseUp={(e) => dropPiece(e)}
id="chessboard"
ref={chessboardRef}
>
{board}
</div>
</>
);
}
22 changes: 13 additions & 9 deletions reactjs-projects/chess-app/src/components/Tile/Tile.css
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,18 @@
place-content: center;
width: 100px;
height: 100px;
background-color: #779556;
}

.tile:nth-child(16n + 1),
.tile:nth-child(16n + 3),
.tile:nth-child(16n + 5),
.tile:nth-child(16n + 7),
.tile:nth-child(16n + 10),
.tile:nth-child(16n + 12),
.tile:nth-child(16n + 14),
.tile:nth-child(16n + 16) {
background-color: #ebecd0;
}

.tile .chess-piece {
Expand All @@ -21,14 +33,6 @@
cursor: grabbing;
}

.black-tile {
background-color: #779556;
}

.white-tile {
background-color: #ebecd0;
}

.tile img {
width: 80px;
}
Expand All @@ -48,4 +52,4 @@
height: 90px;
border: 5px solid rgba(0, 0, 0, 0.4);
border-radius: 50%;
}
}
35 changes: 18 additions & 17 deletions reactjs-projects/chess-app/src/components/Tile/Tile.tsx
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Original file line number Diff line number Diff line change
@@ -1,22 +1,23 @@
import "./Tile.css";

interface Props {
image?: string;
number: number;
highlight: boolean;
image?: string;
highlight: boolean;
}

export default function Tile({ number, image, highlight }: Props) {
const className: string = ["tile",
number % 2 === 0 && "black-tile",
number % 2 !== 0 && "white-tile",
highlight && "tile-highlight",
image && "chess-piece-tile"].filter(Boolean).join(' ');


return (
<div className={className}>
{image && <div style={{ backgroundImage: `url(${image})` }} className="chess-piece"></div>}
</div>
);
}
export default function Tile({ image, highlight }: Props) {
return (
<div
className={`tile ${highlight && "tile-highlight"} ${
image && "chess-piece-tile"
}`}
>
{image && (
<div
style={{ backgroundImage: `url(${image})` }}
className="chess-piece"
></div>
)}
</div>
);
}