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import _ from 'lodash';
import Tile, { Attachment, Direction } from '../Tile/Tile';
const { North, East, South, West } = Direction;
export default class Board {
tiles: Tile[];
constructor(tiles?: Tile[]) {
if (tiles) this.tiles = tiles;
else this.tiles = [new Tile('R', 'CRFR')]
}
print() {
const maxY = _.maxBy(this.tiles, 'position.y').position.y;
const minY = _.minBy(this.tiles, 'position.y').position.y;
const maxX = _.maxBy(this.tiles, 'position.x').position.x;
const minX = _.minBy(this.tiles, 'position.x').position.x;
_.range(maxY, minY - 1, -1)
.map((y: number) => {
const rowTiles = _.filter(this.tiles, { position: { y } });
console.log(
_.range(minX, maxX + 1)
.map((x: number) => {
const tile = _.find(rowTiles, { position: { x, y } });
if (!tile) return ' ';
return ` ${tile.edges[North]} `;
})
.join('|')
);
console.log(
_.range(minX, maxX + 1)
.map((x: number) => {
const tile = _.find(rowTiles, { position: { x, y } });
if (!tile) return ' ';
return `${tile.edges[West]}${tile.center}${tile.edges[East]}`;
})
.join('|')
);
console.log(
_.range(minX, maxX + 1)
.map((x: number) => {
const tile = _.find(rowTiles, { position: { x, y } });
if (!tile) return ' ';
return ` ${tile.edges[South]} `;
})
.join('|')
);
});
}
getAttachments(tile: Tile): Attachment[] {
return _
.flatten(this.tiles.map(attachTo => attachTo.getAttachments(tile)))
.filter((attachment: Attachment) => this.isLegalAttachment(attachment));
}
previewAttachment(attachment: Attachment) {
console.log(attachment);
const previewBoard = _.cloneDeep(this);
previewBoard.attach(attachment);
previewBoard.print();
}
getTileNeighbors(position: Tile['position']): Tile[] {
// Do not change the order!
const neighborIncrements = [
{ x: 0, y: 1 },
{ x: 1, y: 0 },
{ x: 0, y: -1 },
{ x: -1, y: 0 },
];
return _.map(neighborIncrements, ({ x, y }) => {
return _.find(this.tiles, {
position: {
x: position.x + x,
y: position.y + y,
}
});
});
}
calculateNewTilePosition(attachment: Attachment): Tile['position'] {
const { attachTo: { position }, edge } = attachment
const xIncrement = {
[East]: 1,
[West]: -1,
};
const yIncrement = {
[North]: 1,
[South]: -1,
};
return {
x: position.x + (xIncrement[edge] || 0),
y: position.y + (yIncrement[edge] || 0),
};
}
isLegalAttachment(attachment: Attachment) {
const { tile } = attachment;
const position = this.calculateNewTilePosition(attachment);
const isBusy = _.find(this.tiles, { position });
if (isBusy) return false;
const neighbors = this.getTileNeighbors(position);
const neighborsRegex = _.map(neighbors, (neighbor: Tile, edge: number) => neighbor?.edges[edge] || '.').join('');
const str = [tile.edges, tile.edges, tile.edges].join('');
console.log(neighborsRegex, str);
return new RegExp(neighborsRegex).test(str);
}
attach(attachment: Attachment) {
const { tile, orientation } = attachment;
const position = this.calculateNewTilePosition(attachment);
const tileOnBoard = new Tile(
tile.center,
tile.edges,
tile.shield,
position,
orientation,
);
this.tiles.push(tileOnBoard);
}
}
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