wynnbuilder-idk/js/damage_calc.js
2022-06-20 10:51:17 -07:00

279 lines
15 KiB
JavaScript

const damageMultipliers = new Map([ ["allytotem", .15], ["yourtotem", .35], ["vanish", 0.80], ["warscream", 0.10], ["bash", 0.50] ]);
// Calculate spell damage given a spell elemental conversion table, and a spell multiplier.
// If spell mult is 0, its melee damage and we don't multiply by attack speed.
function calculateSpellDamage(stats, spellConversions, rawModifier, pctModifier, spellMultiplier, weapon, total_skillpoints, damageMultiplier) {
let buildStats = new Map(stats);
//6x for damages, normal min normal max crit min crit max
let powders = weapon.get("powders").slice();
// Array of neutral + ewtfa damages. Each entry is a pair (min, max).
let damages = [];
const rawDamages = buildStats.get("damageRaw");
for (let i = 0; i < rawDamages.length; i++) {
const damage_vals = rawDamages[i].split("-").map(Number);
damages.push(damage_vals);
}
// Applying spell conversions
let neutralBase = damages[0].slice();
let neutralRemainingRaw = damages[0].slice();
//powder application for custom crafted weapons is inherently fucked because there is no base. Unsure what to do.
//Powder application for Crafted weapons - this implementation is RIGHT YEAAAAAAAAA
//1st round - apply each as ingred, 2nd round - apply as normal
if (weapon.get("tier") === "Crafted") {
let damageBases = buildStats.get("damageBases").slice();
for (const p of powders.concat(weapon.get("ingredPowders"))) {
let powder = powderStats[p]; //use min, max, and convert
let element = Math.floor((p+0.01)/6); //[0,4], the +0.01 attempts to prevent division error
let diff = Math.floor(damageBases[0] * powder.convert/100);
damageBases[0] -= diff;
damageBases[element+1] += diff + Math.floor( (powder.min + powder.max) / 2 );
}
//update all damages
if(!weapon.get("custom")) {
for (let i = 0; i < damages.length; i++) {
damages[i] = [Math.floor(damageBases[i] * 0.9), Math.floor(damageBases[i] * 1.1)];
}
}
neutralRemainingRaw = damages[0].slice();
neutralBase = damages[0].slice();
}
for (let i = 0; i < 5; ++i) {
let conversionRatio = spellConversions[i+1]/100;
let min_diff = Math.min(neutralRemainingRaw[0], conversionRatio * neutralBase[0]);
let max_diff = Math.min(neutralRemainingRaw[1], conversionRatio * neutralBase[1]);
damages[i+1][0] = Math.floor(round_near(damages[i+1][0] + min_diff));
damages[i+1][1] = Math.floor(round_near(damages[i+1][1] + max_diff));
neutralRemainingRaw[0] = Math.floor(round_near(neutralRemainingRaw[0] - min_diff));
neutralRemainingRaw[1] = Math.floor(round_near(neutralRemainingRaw[1] - max_diff));
}
//apply powders to weapon
for (const powderID of powders) {
const powder = powderStats[powderID];
// Bitwise to force conversion to integer (integer division).
const element = (powderID/6) | 0;
let conversionRatio = powder.convert/100;
if (neutralRemainingRaw[1] > 0) {
let min_diff = Math.min(neutralRemainingRaw[0], conversionRatio * neutralBase[0]);
let max_diff = Math.min(neutralRemainingRaw[1], conversionRatio * neutralBase[1]);
damages[element+1][0] = Math.floor(round_near(damages[element+1][0] + min_diff));
damages[element+1][1] = Math.floor(round_near(damages[element+1][1] + max_diff));
neutralRemainingRaw[0] = Math.floor(round_near(neutralRemainingRaw[0] - min_diff));
neutralRemainingRaw[1] = Math.floor(round_near(neutralRemainingRaw[1] - max_diff));
}
damages[element+1][0] += powder.min;
damages[element+1][1] += powder.max;
}
damages[0] = neutralRemainingRaw;
let damageMult = damageMultiplier;
let melee = false;
// If we are doing melee calculations:
if (spellMultiplier == 0) {
spellMultiplier = 1;
melee = true;
}
else {
damageMult *= spellMultiplier * baseDamageMultiplier[attackSpeeds.indexOf(buildStats.get("atkSpd"))];
}
//console.log(damages);
//console.log(damageMult);
rawModifier *= spellMultiplier * damageMultiplier;
let totalDamNorm = [0, 0];
let totalDamCrit = [0, 0];
let damages_results = [];
// 0th skillpoint is strength, 1st is dex.
let str = total_skillpoints[0];
let strBoost = 1 + skillPointsToPercentage(str);
if(!melee){
let baseDam = rawModifier * strBoost;
let baseDamCrit = rawModifier * (1 + strBoost);
totalDamNorm = [baseDam, baseDam];
totalDamCrit = [baseDamCrit, baseDamCrit];
}
let staticBoost = (pctModifier / 100.);
let skillBoost = [0];
for (let i in total_skillpoints) {
skillBoost.push(skillPointsToPercentage(total_skillpoints[i]) + buildStats.get(skp_elements[i]+"DamPct") / 100.);
}
for (let i in damages) {
let damageBoost = 1 + skillBoost[i] + staticBoost;
damages_results.push([
Math.max(damages[i][0] * strBoost * Math.max(damageBoost,0) * damageMult, 0), // Normal min
Math.max(damages[i][1] * strBoost * Math.max(damageBoost,0) * damageMult, 0), // Normal max
Math.max(damages[i][0] * (strBoost + 1) * Math.max(damageBoost,0) * damageMult, 0), // Crit min
Math.max(damages[i][1] * (strBoost + 1) * Math.max(damageBoost,0) * damageMult, 0), // Crit max
]);
totalDamNorm[0] += damages_results[i][0];
totalDamNorm[1] += damages_results[i][1];
totalDamCrit[0] += damages_results[i][2];
totalDamCrit[1] += damages_results[i][3];
}
if (melee) {
totalDamNorm[0] += Math.max(strBoost*rawModifier, -damages_results[0][0]);
totalDamNorm[1] += Math.max(strBoost*rawModifier, -damages_results[0][1]);
totalDamCrit[0] += Math.max((strBoost+1)*rawModifier, -damages_results[0][2]);
totalDamCrit[1] += Math.max((strBoost+1)*rawModifier, -damages_results[0][3]);
}
damages_results[0][0] += strBoost*rawModifier;
damages_results[0][1] += strBoost*rawModifier;
damages_results[0][2] += (strBoost + 1)*rawModifier;
damages_results[0][3] += (strBoost + 1)*rawModifier;
if (totalDamNorm[0] < 0) totalDamNorm[0] = 0;
if (totalDamNorm[1] < 0) totalDamNorm[1] = 0;
if (totalDamCrit[0] < 0) totalDamCrit[0] = 0;
if (totalDamCrit[1] < 0) totalDamCrit[1] = 0;
return [totalDamNorm, totalDamCrit, damages_results];
}
const spell_table = {
"wand": [
{ title: "Heal", cost: 6, parts: [
{ subtitle: "First Pulse", type: "heal", strength: 0.12 },
{ subtitle: "Second and Third Pulses", type: "heal", strength: 0.06 },
{ subtitle: "Total Heal", type: "heal", strength: 0.24, summary: true },
{ subtitle: "First Pulse (Ally)", type: "heal", strength: 0.20 },
{ subtitle: "Second and Third Pulses (Ally)", type: "heal", strength: 0.1 },
{ subtitle: "Total Heal (Ally)", type: "heal", strength: 0.4 }
] },
{ title: "Teleport", cost: 4, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 150, conversion: [60, 0, 40, 0, 0, 0], summary: true },
] },
{ title: "Meteor", cost: 8, parts: [
{ subtitle: "Blast Damage", type: "damage", multiplier: 500, conversion: [40, 30, 0, 0, 30, 0], summary: true },
{ subtitle: "Burn Damage", type: "damage", multiplier: 125, conversion: [100, 0, 0, 0, 0, 0] },
] },
{ title: "Ice Snake", cost: 4, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 70, conversion: [50, 0, 0, 50, 0, 0], summary: true },
] },
],
"spear": [
{ title: "Bash", cost: 6, parts: [
{ subtitle: "First Damage", type: "damage", multiplier: 130, conversion: [60, 40, 0, 0, 0, 0]},
{ subtitle: "Explosion Damage", type: "damage", multiplier: 130, conversion: [100, 0, 0, 0, 0, 0]},
{ subtitle: "Total Damage", type: "total", factors: [1, 1], summary: true },
] },
{ title: "Charge", cost: 4, variants: {
DEFAULT: [
{ subtitle: "Total Damage", type: "damage", multiplier: 150, conversion: [60, 0, 0, 0, 40, 0], summary: true }
],
RALLY: [
{ subtitle: "Self Heal", type: "heal", strength: 0.07, summary: true },
{ subtitle: "Ally Heal", type: "heal", strength: 0.15 }
]
} },
{ title: "Uppercut", cost: 9, parts: [
{ subtitle: "First Damage", type: "damage", multiplier: 300, conversion: [70, 20, 10, 0, 0, 0] },
{ subtitle: "Fireworks Damage", type: "damage", multiplier: 50, conversion: [60, 0, 40, 0, 0, 0] },
{ subtitle: "Crash Damage", type: "damage", multiplier: 50, conversion: [80, 0, 20, 0, 0, 0] },
{ subtitle: "Total Damage", type: "total", factors: [1, 1, 1], summary: true },
] },
{ title: "War Scream", cost: 6, parts: [
{ subtitle: "Area Damage", type: "damage", multiplier: 50, conversion: [0, 0, 0, 0, 75, 25], summary: true },
{ subtitle: "Air Shout (Per Hit)", type: "damage", multiplier: 30, conversion: [0, 0, 0, 0, 75, 25] },
] },
],
"bow": [
{ title: "Arrow Storm", cost: 6, variants: {
DEFAULT: [
{ subtitle: "Total Damage", type: "damage", multiplier: 600, conversion: [60, 0, 25, 0, 15, 0], summary: true },
{ subtitle: "Per Arrow (60)", type: "damage", multiplier: 10, conversion: [60, 0, 25, 0, 15, 0]}
],
HAWKEYE: [
{ subtitle: "Total Damage (Hawkeye)", type: "damage", multiplier: 400, conversion: [60, 0, 25, 0, 15, 0], summary: true },
{ subtitle: "Per Arrow (5)", type: "damage", multiplier: 80, conversion: [60, 0, 25, 0, 15, 0]}
],
} },
{ title: "Escape", cost: 3, parts: [
{ subtitle: "Landing Damage", type: "damage", multiplier: 100, conversion: [50, 0, 0, 0, 0, 50], summary: true },
] },
{ title: "Bomb Arrow", cost: 8, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 250, conversion: [60, 25, 0, 0, 15, 0], summary: true },
] },
{ title: "Arrow Shield", cost: 10, parts: [
{ subtitle: "Shield Damage", type: "damage", multiplier: 100, conversion: [70, 0, 0, 0, 0, 30], summary: true },
{ subtitle: "Arrow Rain Damage", type: "damage", multiplier: 200, conversion: [70, 0, 0, 0, 0, 30] },
] },
],
"dagger": [
{ title: "Spin Attack", cost: 6, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 150, conversion: [70, 0, 30, 0, 0, 0], summary: true},
] },
{ title: "Vanish", cost: 2, parts: [
{ subtitle: "No Damage", type: "none", summary: true }
] },
{ title: "Multihit", cost: 8, parts: [
{ subtitle: "1st to 10th Hit", type: "damage", multiplier: 27, conversion: [100, 0, 0, 0, 0, 0] },
{ subtitle: "Fatality", type: "damage", multiplier: 120, conversion: [20, 0, 30, 50, 0, 0] },
{ subtitle: "Total Damage", type: "total", factors: [10, 1], summary: true },
] },
{ title: "Smoke Bomb", cost: 8, variants: {
DEFAULT: [
{ subtitle: "Tick Damage (10 max)", type: "damage", multiplier: 60, conversion: [50, 25, 0, 0, 0, 25] },
{ subtitle: "Total Damage", type: "damage", multiplier: 600, conversion: [50, 25, 0, 0, 0, 25], summary: true },
],
CHERRY_BOMBS: [
{ subtitle: "Total Damage (Cherry Bombs)", type: "damage", multiplier: 330, conversion: [50, 25, 0, 0, 0, 25], summary: true },
{ subtitle: "Per Bomb", type: "damage", multiplier: 110, conversion: [50, 25, 0, 0, 0, 25] }
]
} },
],
"relik": [
{ title: "Totem", cost: 4, parts: [
{ subtitle: "Smash Damage", type: "damage", multiplier: 100, conversion: [80, 0, 0, 0, 20, 0]},
{ subtitle: "Damage Tick", type: "damage", multiplier: 20, conversion: [80, 0, 0, 0, 0, 20]},
{ subtitle: "Heal Tick", type: "heal", strength: 0.03, summary: true },
] },
{ title: "Haul", cost: 1, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 100, conversion: [80, 0, 20, 0, 0, 0], summary: true },
] },
{ title: "Aura", cost: 8, parts: [
{ subtitle: "One Wave", type: "damage", multiplier: 200, conversion: [70, 0, 0, 30, 0, 0], summary: true },
] },
{ title: "Uproot", cost: 6, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: 100, conversion: [70, 30, 0, 0, 0, 0], summary: true },
] },
],
"sword": [
{ title: "Successive Strikes", cost: 5, parts: [
{ subtitle: "Damage", type: "damage", multiplier: 65, conversion: [70, 0, 15, 0, 0, 15]},
{ subtitle: "Final Strike", type: "damage", multiplier: 120, conversion: [70, 0, 15, 0, 0, 15]},
{ subtitle: "Total Damage (Normal)", type: "total", factors: [2, 0], summary: true },
] },
{ title: "Dash", cost: 3, parts: [
{ subtitle: "Damage", type: "damage", multiplier: 120, conversion: [60, 0, 0, 0, 0, 40], summary: true },
] },
{ title: "Execute", cost: 8, parts: [
{ subtitle: "Minimum Damage", type: "damage", multiplier: 100, conversion: [60, 0, 20, 0, 20, 0]},
{ subtitle: "Maximum Damage", type: "damage", multiplier: 1200, conversion: [60, 0, 20, 0, 20, 0], summary: true },
] },
{ title: "Blade Echo", cost: 4, parts: [
{ subtitle: "Damage", type: "damage", multiplier: 125, conversion: [60, 0, 0, 20, 0, 20], summary: true },
] },
],
"powder": [ //This is how instant-damage powder specials are implemented.
{ title: "Quake", cost: 0, parts:[
{ subtitle: "Total Damage", type: "damage", multiplier: [155, 220, 285, 350, 415], conversion: [0,100,0,0,0,0], summary: true},
] },
{ title: "Chain Lightning", cost: 0, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: [200, 225, 250, 275, 300], conversion: [0,0,100,0,0,0], summary: true},
]},
{ title: "Courage", cost: 0, parts: [
{ subtitle: "Total Damage", type: "damage", multiplier: [75, 87.5, 100, 112.5, 125], conversion: [0,0,0,0,100,0], summary: true},
]}, //[75, 87.5, 100, 112.5, 125]
]
};