bitburner-src/src/Locations/ui/GymLocation.tsx

/**
 * React Subcomponent for displaying a location's UI, when that location is a gym
 *
 * This subcomponent renders all of the buttons for training at the gym
 */
import * as React from "react";

import { Location }         from "../Location";

import { CONSTANTS }              from "../../Constants";
import { IPlayer }                from "../../PersonObjects/IPlayer";
import { getServer }              from "../../Server/ServerHelpers";
import { Server }                 from "../../Server/Server";
import { SpecialServerIps }       from "../../Server/SpecialServerIps";

import { StdButton }        from "../../ui/React/StdButton";
import { Money }            from "../../ui/React/Money";

type IProps = {
    loc: Location;
    p: IPlayer;
}

export class GymLocation extends React.Component<IProps, any> {
    /**
     * Stores button styling that sets them all to block display
     */
    btnStyle: any;

    constructor(props: IProps) {
        super(props);

        this.btnStyle = { display: "block" };

        this.trainStrength = this.trainStrength.bind(this);
        this.trainDefense = this.trainDefense.bind(this);
        this.trainDexterity = this.trainDexterity.bind(this);
        this.trainAgility = this.trainAgility.bind(this);

        this.calculateCost = this.calculateCost.bind(this);
    }

    calculateCost(): number {
        const ip = SpecialServerIps.getIp(this.props.loc.name);
        const server = getServer(ip);
        if(server == null || !server.hasOwnProperty('backdoorInstalled')) return this.props.loc.costMult;
        const discount = (server as Server).backdoorInstalled? 0.9 : 1;
        return this.props.loc.costMult * discount;
    }

    train(stat: string): void {
        const loc = this.props.loc;
        this.props.p.startClass(this.calculateCost(), loc.expMult, stat);
    }

    trainStrength(): void {
        this.train(CONSTANTS.ClassGymStrength);
    }

    trainDefense(): void {
        this.train(CONSTANTS.ClassGymDefense);
    }

    trainDexterity(): void {
        this.train(CONSTANTS.ClassGymDexterity);
    }

    trainAgility(): void {
        this.train(CONSTANTS.ClassGymAgility);
    }

    render(): React.ReactNode {
        const cost = CONSTANTS.ClassGymBaseCost * this.calculateCost();

        return (
            <div>
                <StdButton
                    onClick={this.trainStrength}
                    style={this.btnStyle}
                    text={<>Train Strength ({Money(cost)} / sec)</>}
                />
                <StdButton
                    onClick={this.trainDefense}
                    style={this.btnStyle}
                    text={<>Train Defense ({Money(cost)} / sec)</>}
                />
                <StdButton
                    onClick={this.trainDexterity}
                    style={this.btnStyle}
                    text={<>Train Dexterity ({Money(cost)} / sec)</>}
                />
                <StdButton
                    onClick={this.trainAgility}
                    style={this.btnStyle}
                    text={<>Train Agility ({Money(cost)} / sec)</>}
                />
            </div>
        )
    }
}