src/actions/simulation/tick.js


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import {getDatacenterIdOfTick} from "../../util/timeline";
import {setCurrentDatacenter} from "../topology/building";

export const GO_TO_TICK = "GO_TO_TICK";
export const SET_LAST_SIMULATED_TICK = "SET_LAST_SIMULATED_TICK";

export function incrementTick() {
    return (dispatch, getState) => {
        const {currentTick} = getState();
        dispatch(goToTick(currentTick + 1));
    }
}

export function goToTick(tick) {
    return (dispatch, getState) => {
        const state = getState();

        let sections = [];
        if (state.currentExperimentId !== -1) {
            const sectionIds = state.objects.path[state.objects.experiment[state.currentExperimentId].pathId].sectionIds;

            if (sectionIds) {
                sections = sectionIds.map(sectionId => state.objects.section[sectionId]);
            }
        }

        const newDatacenterId = getDatacenterIdOfTick(tick, sections);
        if (state.currentDatacenterId !== newDatacenterId) {
            dispatch(setCurrentDatacenter(newDatacenterId));
        }

        dispatch({
            type: GO_TO_TICK,
            tick
        });
    }
}

export function setLastSimulatedTick(tick) {
    return {
        type: SET_LAST_SIMULATED_TICK,
        tick
    }
}