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fix super cap, nan with no shield

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This commit is contained in:
William Blythe
2018-04-30 10:57:42 +10:00
parent 7577fb53a2
commit 3ba878237b
5 changed files with 2394 additions and 2385 deletions
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16
src/app/shipyard/Calculations.js
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@@ -47,7 +47,7 @@ export function totalJumpRange(mass, fsd, fuel) {
* @param {number} multiplier Shield multiplier for ship (1 + shield boosters if any)
* @return {number} Approximate shield strengh in MJ
*/
export function shieldStrength(mass, baseShield, sg, multiplier) {
export function shieldStrength(mass, baseShield, sg, multiplier, ship) {
// sg might be a module or a template; handle either here
let minMass = sg instanceof Module ? sg.getMinMass() : sg.minmass;
let optMass = sg instanceof Module ? sg.getOptMass() : sg.optmass;
@@ -55,7 +55,17 @@ export function shieldStrength(mass, baseShield, sg, multiplier) {
let minMul = sg instanceof Module ? sg.getMinMul() : sg.minmul;
let optMul = sg instanceof Module ? sg.getOptMul() : sg.optmul;
let maxMul = sg instanceof Module ? sg.getMaxMul() : sg.maxmul;
if (ship) {
for (const i of ship.hardpoints) {
if (!i.maxClass) {
if (i.grp === 'sb' || (i.m && i.m.grp === 'sb')) {
if (!isNaN(i.m.getModValue('optmul'))) {
optMul += i.m.getModValue('optmul') / 10000;
}
}
}
}
}
let xnorm = Math.min(1, (maxMass - mass) / (maxMass - minMass));
let exponent = Math.log((optMul - minMul) / (maxMul - minMul)) / Math.log(Math.min(1, (maxMass - optMass) / (maxMass - minMass)));
let ynorm = Math.pow(xnorm, exponent);
@@ -351,7 +361,7 @@ export function shieldMetrics(ship, sys) {
boosterKinDmg = boosterKinDmg > 0.7 ? boosterKinDmg : 0.7 - (0.7 - boosterKinDmg) / 2;
boosterThermDmg = boosterThermDmg > 0.7 ? boosterThermDmg : 0.7 - (0.7 - boosterThermDmg) / 2;
const generatorStrength = this.shieldStrength(ship.hullMass, ship.baseShieldStrength, shieldGenerator, 1);
const generatorStrength = this.shieldStrength(ship.hullMass, ship.baseShieldStrength, shieldGenerator, 1, ship);
const boostersStrength = generatorStrength * boost;
// Recover time is the time taken to go from 0 to 50%. It includes a 16-second wait before shields start to recover