108 lines
3.8 KiB
TypeScript
108 lines
3.8 KiB
TypeScript
type IRunner = {
|
|
getVariable(key: string): unknown;
|
|
setVariable(key: string, value: unknown): void;
|
|
setSmartVariable(name: string, expression: string): void;
|
|
}
|
|
export function getTtrpgFunctions(runner: IRunner){
|
|
/* time related */
|
|
function ensure_time(){
|
|
if(!runner.getVariable("time_day")){
|
|
runner.setVariable("time_day", 1);
|
|
runner.setVariable("time_hour", 0);
|
|
runner.setVariable("time_minute", 0);
|
|
runner.setSmartVariable("hour_total", "$time_day * 24 + $time_hour");
|
|
}
|
|
}
|
|
// midnight - 6am is night time
|
|
function is_night(){
|
|
ensure_time();
|
|
const hour = runner.getVariable("time_hour") as number;
|
|
return hour < 6;
|
|
}
|
|
function add_minute(delta: number){
|
|
ensure_time();
|
|
const min = (runner.getVariable("time_minute") as number) + delta;
|
|
runner.setVariable("time_minute", min % 60);
|
|
if(min >= 60) add_hour(Math.floor(min / 60));
|
|
}
|
|
function add_hour(delta: number){
|
|
ensure_time();
|
|
const hour = (runner.getVariable("time_hour") as number) + delta;
|
|
runner.setVariable("time_hour", hour % 24);
|
|
if(hour >= 24) add_day(Math.floor(hour / 24));
|
|
}
|
|
function add_day(delta: number){
|
|
ensure_time();
|
|
const day = (runner.getVariable("time_day") as number) + delta;
|
|
runner.setVariable("time_day", day);
|
|
}
|
|
/* stat related */
|
|
function ensure_stat(stat: string){
|
|
if(!runner.getVariable(stat)){
|
|
const statBase = `${stat}_base`;
|
|
const statMod = `${stat}_mod`;
|
|
const statDamage = `${stat}_damage`;
|
|
const statWound = `${stat}_wound`;
|
|
runner.setVariable(statBase, 10);
|
|
runner.setVariable(statMod, 0);
|
|
runner.setVariable(statDamage, 0);
|
|
runner.setVariable(statWound, false);
|
|
runner.setSmartVariable(stat, `$${statBase} - $${statDamage} + $${statMod}`);
|
|
}
|
|
}
|
|
function get_stat(stat: string){
|
|
ensure_stat(stat);
|
|
return runner.getVariable(stat) as number || 0;
|
|
}
|
|
function damage(stat: string, amount: number){
|
|
const current = get_stat(stat);
|
|
if(amount * 2 >= current)
|
|
runner.setVariable(`${stat}_wound`, true);
|
|
const damage = get_stat(`${stat}_damage`);
|
|
runner.setVariable(`${stat}_damage`, damage + amount);
|
|
}
|
|
function heal(stat: string, amount = 0){
|
|
ensure_stat(stat);
|
|
runner.setVariable(`${stat}_wound`, false);
|
|
const damage = get_stat(`${stat}_damage`);
|
|
runner.setVariable(`${stat}_damage`, Math.max(0, damage - amount));
|
|
}
|
|
function check(id: string, stat: string): number {
|
|
const statVal = get_stat(stat);
|
|
const pass = Math.ceil(Math.random() * 20) <= statVal;
|
|
const key = `${id}_${pass ? 'pass' : 'fail'}`;
|
|
const progress = runner.getVariable(key) as number || 0;
|
|
const newProgress = progress + Math.ceil(Math.random() * 4);
|
|
runner.setVariable(key, newProgress);
|
|
return pass ? newProgress : -newProgress;
|
|
}
|
|
function rollStat(){
|
|
const index = Math.floor(Math.random() * 6);
|
|
return ['str', 'dex', 'con', 'int', 'wis', 'cha'][index];
|
|
}
|
|
function fatigue(){
|
|
damage(rollStat(), 1);
|
|
}
|
|
function regen(){
|
|
let stat = rollStat();
|
|
if(runner.getVariable(`${stat}_wound`) || get_stat(`${stat}_damage`) <= 0) {
|
|
stat = rollStat();
|
|
}
|
|
if(runner.getVariable(`${stat}_wound`) || get_stat(`${stat}_damage`) <= 0) {
|
|
return;
|
|
}
|
|
heal(stat, 1);
|
|
}
|
|
return {
|
|
add_minutes: add_minute,
|
|
add_hours: add_hour,
|
|
add_days: add_day,
|
|
|
|
damage,
|
|
heal,
|
|
check,
|
|
|
|
fatigue,
|
|
regen,
|
|
};
|
|
} |