TyrealGray/Qin.js

import produce from 'immer';
import { STORE_CONNECT_REACTOR } from '../actions/actionTypes';
import { processReaction } from '../../processReaction';

const initialState = {
    dataSet: [],
};

export const npcInfoContent = { npcInfo: initialState };

export const npcInfo = (state = initialState, action) =>
    produce(state, draft => {
        switch (action.type) {
            case STORE_CONNECT_REACTOR:
                return action.payload.npcInfo;
        }

        const { type, triggerBy, triggerTo } = action;
        draft.dataSet.forEach((data, index) => {
            if (data.eventMap[type]) {
                const { onlyDirect, isAny, types, triggers, blockers } = data.eventMap[type];
                if (
                    (onlyDirect && triggerTo?.qinId !== data.qinId)
                    || blockers.includes(triggerBy.qinId)
                    || (!isAny && !types.includes(triggerBy.type) && !triggers.includes(triggerBy.qinId))
                ) {
                    return;
                }
                /* reaction -> e.g: [
                    {type:ADD, attribute:'hp', value: 100 },
                    {type:MAYBE_ADD, attribute:'mp', rate: 0.9 , value: 0 },
                ] */
                const reactions = data.eventMap[type].reactions;
                draft.dataSet[index] = processReaction(action, reactions, data);
            }
        });
    });