Files
DiceCloud/app/imports/api/creature/actions/applyDamage.js
2021-03-28 12:31:39 +02:00

116 lines
3.2 KiB
JavaScript

import evaluateString from '/imports/api/creature/computation/afterComputation/evaluateString.js';
import dealDamage from '/imports/api/creature/creatureProperties/methods/dealDamage.js';
import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
import { CompilationContext } from '/imports/parser/parser.js';
export default function applyDamage({
prop,
creature,
targets,
actionContext,
log,
}){
let damageTargets = prop.target === 'self' ? [creature] : targets;
let scope = {
...creature.variables,
...actionContext,
};
// Add the target's variables to the scope
if (targets.length === 1){
scope.target = targets[0].variables;
}
// Determine if the hit is critical
let criticalHit = !!(
actionContext.criticalHit &&
actionContext.criticalHit.value &&
prop.damageType !== 'healing' // Can't critically heal
);
// Double the damage rolls if the hit is critical
let context = new CompilationContext({
doubleRolls: criticalHit,
});
// Compute the roll the first time, logging any errors
var {result} = evaluateString({
string: prop.amount,
scope,
fn: 'reduce',
context
});
// If the result is an error bail out now
if (result.constructor.name === 'ErrorNode'){
log.content.push({
name: 'Damage error',
value: result.toString(),
});
return;
}
// Memoise the damage suffix for the log
let suffix = (criticalHit ? ' critical ' : ' ') +
prop.damageType +
(prop.damageType !== ' healing ' ? ' damage ': '');
if (damageTargets && damageTargets.length) {
// Iterate through all the targets
damageTargets.forEach(target => {
let name = prop.damageType === 'healing' ? 'Healing' : 'Damage';
// Reroll the damage if needed
if (prop.target === 'each'){
({result, context} = evaluateString({
string: prop.amount,
scope,
fn: 'reduce'
}));
}
// If the result is an error or not a number bail out now
if (result.constructor.name === 'ErrorNode' || !result.isNumber){
log.content.push({
name: 'Damage error',
value: result.toString(),
});
return;
}
// Deal the damage to the target
let damageDealt = dealDamage.call({
creatureId: target._id,
damageType: prop.damageType,
amount: result.value,
});
// Log the damage done
if (target._id === creature._id){
// Target is same as self, log damage as such
log.content.push({
name,
value: damageDealt + suffix + ' to self',
});
} else {
log.content.push({
name,
value: 'Dealt ' + damageDealt + suffix + ` ${target.name && ' to '}${target.name}`,
});
// Log the damage received on that creature's log as well
insertCreatureLog.call({
log: {
creatureId: target._id,
content: [{
name,
value: 'Recieved ' + damageDealt + suffix,
}],
}
});
}
});
} else {
// There are no targets, just log the result
log.content.push({
name: prop.damageType === 'healing' ? 'Healing' : 'Damage',
value: result.toString() + suffix,
});
}
}