app/entities/creatures/strategies/RandomWalkStrategy.js
import Strategy from './Strategy.js';
import Creature from '../Creature.js';
import Dungeon from '../../../dungeons/Dungeon.js';
import Pather from './Pather.js';
/**
* @class RandomWalkStrategy
* @description Makes enemies move to a random adjacent tile each time they act
*/
export default class RandomWalkStrategy extends Strategy {
getNextMove(dungeon, creature) {
if(!(dungeon instanceof Dungeon)) {
throw new Error('First parameter must be a Dungeon');
} else if(!(creature instanceof Creature)) {
throw new Error('Second parameter must be a Creature');
}
var tiles = dungeon.getTile(creature).getNeighbors8(dungeon).filter((tile)=>creature.canOccupyNow(tile));
if(tiles.length) {
var move = Pather.getMoveToward(dungeon, creature, Random.pick(dungeon.getRng(), tiles));
if(!move.getReasonIllegal(dungeon, creature)) {
return move;
}
}
return null;
}
observeMove(dungeon, observer, actor, move) {
}
}