110 lines
4.1 KiB
TypeScript
110 lines
4.1 KiB
TypeScript
import { getFromScope } from '/imports/api/creature/creatures/CreatureVariables';
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import { EngineAction } from '/imports/api/engine/action/EngineActions';
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import InputProvider from '/imports/api/engine/action/functions/userInput/InputProvider';
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import { applyDefaultAfterPropTasks } from '/imports/api/engine/action/functions/applyTaskGroups';
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import { getEffectiveActionScope } from '/imports/api/engine/action/functions/getEffectiveActionScope';
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import recalculateCalculation from '/imports/api/engine/action/functions/recalculateCalculation';
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import { PropTask } from '/imports/api/engine/action/tasks/Task';
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import TaskResult from '/imports/api/engine/action/tasks/TaskResult';
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import { getVariables } from '/imports/api/engine/loadCreatures';
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import numberToSignedString from '/imports/api/utility/numberToSignedString';
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import { isFiniteNode } from '/imports/parser/parseTree/constant';
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export default async function applySavingThrowProperty(
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task: PropTask, action: EngineAction, result: TaskResult, inputProvider: InputProvider
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): Promise<void> {
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const prop = task.prop;
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const originalTargetIds = task.targetIds;
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const saveTargetIds = prop.target === 'self' ? [action.creatureId] : originalTargetIds;
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if (saveTargetIds.length > 1)
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recalculateCalculation(prop.dc, action, 'reduce', inputProvider);
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if (!isFiniteNode(prop.dc)) {
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result.appendLog({
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name: 'Error',
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value: 'Saving throw requires a DC',
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}, saveTargetIds);
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return applyDefaultAfterPropTasks(action, prop, saveTargetIds, inputProvider);
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}
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const dc = (prop.dc?.value);
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if (!prop.silent) result.appendLog({
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name: prop.name,
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value: `DC **${dc}**`,
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inline: true,
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...prop.silent && { silenced: prop.silent }
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}, saveTargetIds);
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const scope = await getEffectiveActionScope(action);
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// If there are no save targets, apply all children as if the save both
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// succeeded and failed
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if (!saveTargetIds?.length) {
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result.scope = {
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['~saveFailed']: { value: true },
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['~saveSucceeded']: { value: true },
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}
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return applyDefaultAfterPropTasks(action, prop, saveTargetIds, inputProvider);
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}
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// Each target makes the saving throw
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for (const targetId of saveTargetIds) {
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const save = getFromScope('save', getVariables(targetId));
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if (!save) {
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result.appendLog({
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name: 'Saving throw error',
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value: 'No saving throw found: ' + prop.stat,
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}, [targetId]);
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applyDefaultAfterPropTasks(action, prop, [targetId], inputProvider);
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}
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const rollModifierText = numberToSignedString(save.value, true);
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const rollModifier = save.value;
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let value, resultPrefix;
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if (save.advantage === 1) {
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const [[a, b]] = await inputProvider.rollDice([{ number: 2, diceSize: 20 }]);
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if (a >= b) {
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value = a;
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resultPrefix = `Advantage\n1d20 [ ${a}, ~~${b}~~ ] ${rollModifierText}`;
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} else {
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value = b;
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resultPrefix = `Advantage\n1d20 [ ~~${a}~~, ${b} ] ${rollModifierText}`;
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}
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} else if (save.advantage === -1) {
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const [[a, b]] = await inputProvider.rollDice([{ number: 2, diceSize: 20 }]);
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if (a <= b) {
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value = a;
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resultPrefix = `Disadvantage\n1d20 [ ${a}, ~~${b}~~ ] ${rollModifierText}`;
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} else {
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value = b;
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resultPrefix = `Disadvantage\n1d20 [ ~~${a}~~, ${b} ] ${rollModifierText}`;
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}
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} else {
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const [[rolledValue]] = await inputProvider.rollDice([{ number: 1, diceSize: 20 }]);
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value = rolledValue;
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resultPrefix = `1d20 [ ${value} ] ${rollModifierText}`
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}
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scope['~saveDiceRoll'] = { value };
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const resultValue = value + rollModifier || 0;
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scope['~saveRoll'] = { value: resultValue };
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const saveSuccess = resultValue >= dc;
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if (saveSuccess) {
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scope['~saveSucceeded'] = { value: true };
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} else {
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scope['~saveFailed'] = { value: true };
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}
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if (!prop.silent) result.appendLog({
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name: saveSuccess ? 'Successful save' : 'Failed save',
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value: resultPrefix + '\n**' + resultValue + '**',
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inline: true,
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}, [targetId]);
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return applyDefaultAfterPropTasks(action, prop, [targetId], inputProvider);
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}
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}
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