aotds-docks/src/lib/store/ship/structure/armor.ts

48 lines
1.2 KiB
TypeScript

import { reqs, type Reqs } from "$lib/shipDux/reqs";
import Updux, { createPayloadAction } from "updux";
import u from "@yanick/updeep-remeda";
import { createSelector } from "reselect";
type Layer = number;
const initialState = {
reqs,
layers: [] as Layer[],
};
const setNbrArmorLayers = createPayloadAction<number>("setNbrArmorLayers");
const setArmorRating = createPayloadAction(
"setArmorRating",
(id: number, rating: number) => ({ index: id - 1, rating })
);
export const armorDux = new Updux({
initialState,
actions: { setNbrArmorLayers, setArmorRating },
});
armorDux.addMutation(setArmorRating, ({ index, rating }) => (state) => {
state.layers[index] = rating;
state.reqs = calcArmorReqs(state.layers);
});
armorDux.addMutation(setNbrArmorLayers, (nbrLayers) => (state) => {
while (state.layers.length > nbrLayers) {
state.layers.pop();
}
while (state.layers.length < nbrLayers) {
state.layers.push(0);
}
state.reqs = calcArmorReqs(state.layers);
});
function calcArmorReqs(layers: Layer[]): Reqs {
const mass = 2 * layers.reduce((a, b) => a + b, 0);
const cost = 2 * layers.map((v, k) => v * (k + 1)).reduce((a, b) => a + b, 0);
return {
mass,
cost,
};
}