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import _ from 'lodash';
import Tile, { Feature, Direction } from './Tile';
export interface Attachment {
attachTo: TileOnBoard;
side: Direction;
tile: Tile;
orientation: number; // Clockwise rotation of a tile
}
export default class TileOnBoard extends Tile {
orientation: number; // amount of 90-degree clockwise rotations from original orientation
position: {
x: number;
y: number;
}
constructor(
center: Feature,
sides: [Feature, Feature, Feature, Feature],
shield = false,
position = { x: 0, y: 0 },
orientation = 0
) {
super(center, sides, shield);
this.position = position;
this.orientation = orientation;
}
getSide(direction: Direction) {
return super.getSide(direction - this.orientation);
}
rotate(rotation = 1) {
this.orientation += rotation;
}
getAttachments(tile: Tile): Attachment[] {
return _.flatten([0, 1, 2, 3].map(side => {
const item = this.getSide(side);
return [0, 1, 2, 3]
.filter(orientation => tile.getSide(side - orientation + 2) === item)
.map(orientation => ({
tile,
orientation,
side,
attachTo: this as Tile
}))
}));
}
}
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