94 lines
7.2 KiB
JavaScript
94 lines
7.2 KiB
JavaScript
// ---- Isaac-style stacking passive items ----
|
|
|
|
const ITEMS = {
|
|
hollowpoints: { name: 'Hollow Points', desc: '+25% damage', apply: s => { s.dmgMul *= 1.25; } },
|
|
twitch: { name: 'Twitch Fibers', desc: '+20% fire rate', apply: s => { s.rateMul *= 1.20; } },
|
|
scalpel: { name: 'Scalpel', desc: '+25% shot speed', apply: s => { s.shotSpeedMul *= 1.25; } },
|
|
leadmarrow: { name: 'Lead Marrow', desc: '+25% range', apply: s => { s.rangeMul *= 1.25; } },
|
|
piercegaze: { name: 'Piercing Gaze', desc: 'Shots pierce +1 enemy', apply: s => { s.pierce += 1; } },
|
|
ricochet: { name: 'Ricochet Ribs', desc: 'Shots bounce +1 time', apply: s => { s.bounce += 1; } },
|
|
splittongue: { name: 'Split Tongue', desc: 'Twin parallel shot', apply: s => { s.split += 1; } },
|
|
hydramaw: { name: 'Hydra Maw', desc: 'Fires 2 extra angled shots', apply: s => { s.fan += 1; } },
|
|
homingtumor: { name: 'Homing Tumor', desc: 'Shots seek flesh (stronger per tier)', apply: s => { s.homing = (s.homing || 0) + 1; } },
|
|
orbitalknives: { name: 'Orbital Knives', desc: '+1 circling knife', apply: s => { s.orbitals += 1; } },
|
|
dentures: { name: 'Vampire Dentures', desc: 'Kills may heal you', apply: s => { s.lifestealChance += 0.04; } },
|
|
volatilebile: { name: 'Volatile Bile', desc: 'Kills explode (bigger per tier)', apply: s => { s.explodeOnKill = (s.explodeOnKill || 0) + 1; } },
|
|
backstabber: { name: 'Backstabber', desc: '+1 rear shot', apply: s => { s.rear = (s.rear || 0) + 1; } },
|
|
splinterbone: { name: 'Splinter Bone', desc: 'Shots shatter into +2 shards on hit', apply: s => { s.splinter = (s.splinter || 0) + 2; } },
|
|
ironstomach: { name: 'Iron Stomach', desc: '+½ heart container, heal ½ heart', apply: (s, p) => { s.maxHp += 1; p.hp = Math.min(s.maxHp, p.hp + 1); } },
|
|
luckycoin: { name: 'Lucky Coin', desc: 'Better drops', apply: s => { s.luck += 0.2; } },
|
|
magnetmaw: { name: 'Magnet Maw', desc: '+60% pickup radius', apply: s => { s.magnet *= 1.6; } },
|
|
bloodlust: { name: 'Bloodlust', desc: 'Kills may drop bonus XP', apply: s => { s.bloodlust = (s.bloodlust || 0) + 0.12; } },
|
|
ghoulheart: { name: 'Ghoul Heart', desc: '+2 max HP, heal 2', apply: (s, p) => { s.maxHp += 2; p.hp = Math.min(s.maxHp, p.hp + 2); } },
|
|
chainsinew: { name: 'Chain Sinew', desc: 'Hits arc to +1 nearby enemy', apply: s => { s.chain += 1; } },
|
|
mortarbone: { name: 'Mortar Bone', desc: 'Every sixth hit erupts', apply: s => { s.mortar += 1; } },
|
|
bloatrounds: { name: 'Bloat Rounds', desc: '+25% attack size, +10% damage', apply: s => { s.sizeMul *= 1.25; s.dmgMul *= 1.10; } },
|
|
marrowglut: { name: 'Marrow Glut', desc: '+20% damage, -10% fire rate', apply: s => { s.dmgMul *= 1.20; s.rateMul *= 0.90; } },
|
|
hollowneedle: { name: 'Hollow Needle', desc: '+50% critical damage', apply: s => { s.critMul += 0.50; } },
|
|
bloodshoteye: { name: 'Bloodshot Eye', desc: '+6% critical chance', apply: s => { s.crit += 0.06; } },
|
|
flayerkiss: { name: 'Flayer Kiss', desc: 'Hits inflict heavy bleeding', apply: s => { s.bleed += 0.20; } },
|
|
emberjar: { name: 'Ember Jar', desc: '20% chance to ignite', apply: s => { s.igniteChance += 0.20; } },
|
|
acidgland: { name: 'Acid Gland', desc: 'Hits may leave acid pools', apply: s => { s.acidOnHit += 0.12; } },
|
|
hookrounds: { name: 'Hook Rounds', desc: 'Hits pull enemies toward you', apply: s => { s.pullOnHit += 0.18; } },
|
|
sledgerounds: { name: 'Sledge Rounds', desc: 'More knockback, hits may stun', apply: s => { s.knockbackMul *= 1.35; s.stunOnHit += 0.08; } },
|
|
graftedtrigger:{ name: 'Grafted Trigger', desc: '+18% fire rate', apply: s => { s.rateMul *= 1.18; } },
|
|
deadmanswitch: { name: "Dead Man's Switch", desc: 'Kills trigger a fire-rate frenzy', apply: s => { s.frenzy += 0.12; } },
|
|
orbitcrown: { name: 'Orbit Crown', desc: '+25% orbital speed and damage', apply: s => { s.orbSpeedMul *= 1.25; s.orbDmgMul *= 1.25; } },
|
|
tannedhide: { name: 'Tanned Hide', desc: '+8% chance to ignore damage', apply: s => { s.armor += 0.08 / 0.92; } },
|
|
deadmansclock: { name: "Dead Man's Clock", desc: '+0.25s hurt immunity', apply: s => { s.invBonus += 0.25; } },
|
|
hollowbones: { name: 'Hollow Bones', desc: '+12% move speed', apply: s => { s.speedMul *= 1.12; } },
|
|
boneplate: { name: 'Bone Plate', desc: '+½ shield heart each floor', apply: (s, p) => { s.shieldPerk = (s.shieldPerk || 0) + 1; p.shieldHp += 1; } },
|
|
wormgut: { name: 'Worm Gut', desc: 'Heal ½ heart after combat rooms', apply: s => { s.roomHeal += 1; } },
|
|
spinecage: { name: 'Spine Cage', desc: 'Contact attackers take damage', apply: s => { s.thorns += 8; } },
|
|
secondstomach: { name: 'Second Stomach', desc: '+½ heart and excess healing shields', apply: (s, p) => { s.maxHp += 1; s.overShield += 1; p.hp = Math.min(s.maxHp, p.hp + 1); } },
|
|
spitewell: { name: 'Spite Well', desc: 'Taking damage releases a blood nova', apply: s => { s.retaliate += 10; } },
|
|
twinhearts: { name: 'Twin Hearts', desc: '+1 max heart, heal 1 heart', apply: (s, p) => { s.maxHp += 2; p.hp = Math.min(s.maxHp, p.hp + 2); } },
|
|
brassmagazine: { name: 'Brass Magazine', desc: '15% less ammo use, +20% ammo found', apply: s => { s.ammoEff *= 1.15; s.ammoPickupMul *= 1.20; } },
|
|
crowbait: { name: 'Crow Bait', desc: '+25% drop luck', apply: s => { s.luck += 0.25; } },
|
|
gorgingleech: { name: 'Gorging Leech', desc: '+20% XP gained', apply: s => { s.xpMul *= 1.20; } },
|
|
rerollrib: { name: 'Reroll Rib', desc: '+1 perk reroll each level', apply: s => { s.rerollPerLevel += 1; s.rerolls += 1; } },
|
|
};
|
|
|
|
// 50% of rolls favor items the player already owns (below cap) so high tiers
|
|
// are reachable if you commit to them
|
|
function randomItemId() {
|
|
const p = G.player;
|
|
const owned = p ? Object.keys(p.items).filter(iid => (p.items[iid] || 0) < ITEM_LEVEL_CAP) : [];
|
|
if (owned.length && chance(0.5)) return choice(owned);
|
|
return choice(Object.keys(ITEMS));
|
|
}
|
|
|
|
const ITEM_LEVEL_CAP = 9;
|
|
function romanNum(n) { return ['I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'][n - 1] || ('Lv' + n); }
|
|
|
|
// duplicate pickups upgrade the item's quality (effect re-applies per tier)
|
|
function giveItem(iid) {
|
|
const p = G.player;
|
|
const item = ITEMS[iid];
|
|
const lvl = p.items[iid] || 0;
|
|
if (lvl >= ITEM_LEVEL_CAP) {
|
|
addScore(150);
|
|
spawnGems(p.x, p.y, 5);
|
|
addToast(item.name + ' MAX', 'already mastered — +150 score');
|
|
Sfx.pickup();
|
|
return;
|
|
}
|
|
item.apply(p.stats, p);
|
|
p.items[iid] = lvl + 1;
|
|
if (lvl > 0) {
|
|
addToast(item.name + ' ' + romanNum(lvl + 1), 'UPGRADED — ' + item.desc);
|
|
spawnText(p.x, p.y - 14, 'UPGRADED!', '#ffd060');
|
|
} else {
|
|
addToast(item.name, item.desc);
|
|
spawnText(p.x, p.y - 14, item.name.toUpperCase(), '#c9a227');
|
|
}
|
|
Sfx.item();
|
|
refreshOrbitals(p);
|
|
}
|
|
|
|
// spawn an item pedestal (item room / boss reward)
|
|
function spawnItemPedestal(x, y, iid) {
|
|
spawnPickup('itemspot', x, y);
|
|
spawnPickup('item', x, y, { iid: iid || randomItemId() });
|
|
}
|