export default function*({ecs, plant}) {
  if (3 === plant.stage) {
    return false;
  }
  const {TileLayers, Water} = ecs.get(1);
  const layer = TileLayers.layer(0);
  const {Position} = ecs.get(plant.entity);
  const x = (Position.x - layer.tileSize.x * 0.5) / layer.tileSize.x;
  const y = (Position.y - layer.tileSize.y * 0.5) / layer.tileSize.y;
  const tileIndex = layer.area.x * y + x;
  if (!Water.water[tileIndex]) {
    return false;
  }
  if (Water.water[tileIndex] < 32) {
    return false;
  }
  if (Water.water[tileIndex] > 224) {
    return false;
  }
  return true;
}