Files
DiceCloud/app/imports/api/engine/action/applyProperties/applySavingThrowProperty.ts
2024-02-16 10:30:50 +02:00

106 lines
3.2 KiB
TypeScript

// TODO
export default function applySavingThrow(node, actionContext) {
applyNodeTriggers(node, 'before', actionContext);
const prop = node.doc
const originalTargets = actionContext.targets;
let saveTargets = prop.target === 'self' ? [actionContext.creature] : actionContext.targets;
recalculateCalculation(prop.dc, actionContext);
const dc = (prop.dc?.value);
if (!isFinite(dc)) {
actionContext.addLog({
name: 'Error',
value: 'Saving throw requires a DC',
});
return node.children.forEach(child => applyProperty(child, actionContext));
}
if (!prop.silent) actionContext.addLog({
name: prop.name,
value: `DC **${dc}**`,
inline: true,
});
const scope = actionContext.scope;
// If there are no save targets, apply all children as if the save both
// succeeeded and failed
if (!saveTargets?.length) {
scope['~saveFailed'] = { value: true };
scope['~saveSucceeded'] = { value: true };
return applyChildren(node, actionContext);
}
// Each target makes the saving throw
saveTargets.forEach(target => {
delete scope['~saveFailed'];
delete scope['~saveSucceeded'];
delete scope['~saveDiceRoll'];
delete scope['~saveRoll'];
const applyChildrenToTarget = function () {
actionContext.targets = [target];
return applyChildren(node, actionContext);
};
const save = target.variables[prop.stat];
if (!save) {
actionContext.addLog({
name: 'Saving throw error',
value: 'No saving throw found: ' + prop.stat,
});
return applyChildrenToTarget();
}
let rollModifierText = numberToSignedString(save.value, true);
let rollModifier = save.value
const { effectBonus, effectString } = applyUnresolvedEffects(save, scope)
rollModifierText += effectString;
rollModifier += effectBonus;
let value, values, resultPrefix;
if (save.advantage === 1) {
const [a, b] = rollDice(2, 20);
if (a >= b) {
value = a;
resultPrefix = `Advantage\n1d20 [ ${a}, ~~${b}~~ ] ${rollModifierText}`;
} else {
value = b;
resultPrefix = `Advantage\n1d20 [ ~~${a}~~, ${b} ] ${rollModifierText}`;
}
} else if (save.advantage === -1) {
const [a, b] = rollDice(2, 20);
if (a <= b) {
value = a;
resultPrefix = `Disadvantage\n1d20 [ ${a}, ~~${b}~~ ] ${rollModifierText}`;
} else {
value = b;
resultPrefix = `Disadvantage\n1d20 [ ~~${a}~~, ${b} ] ${rollModifierText}`;
}
} else {
values = rollDice(1, 20);
value = values[0];
resultPrefix = `1d20 [ ${value} ] ${rollModifierText}`
}
scope['~saveDiceRoll'] = { value };
const result = value + rollModifier || 0;
scope['~saveRoll'] = { value: result };
const saveSuccess = result >= dc;
if (saveSuccess) {
scope['~saveSucceeded'] = { value: true };
} else {
scope['~saveFailed'] = { value: true };
}
if (!prop.silent) actionContext.addLog({
name: saveSuccess ? 'Successful save' : 'Failed save',
value: resultPrefix + '\n**' + result + '**',
inline: true,
});
return applyChildrenToTarget();
});
// reset the targets after the save to each child
actionContext.targets = originalTargets;
}