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Lemontropia-Suite/docs/ATTACHMENT_MECHANICS.md

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Entropia Universe Attachment Mechanics - Technical Breakdown

Source: Domain expert knowledge from user (@ImpulsiveFPS)
Date: 2026-02-09

1. Amplifiers (Amps)

Most common attachment for damage increase.

Mechanics:

  • Additional Damage: Added to weapon's base damage
  • Cost Per Shot: Increases SIGNIFICANTLY
    • Pay weapon's normal ammo/decay PLUS amplifier decay
  • Economy: Amp is "Eco" only if weapon Efficiency remains high

Strategic Use:

  • Higher DPS = kill faster = less time mob hits you
  • Saves money on armor decay and healing
  • Most players use amps for speed, not efficiency

2. Sights & Scopes

"Skill-based" attachments.

Mechanics:

  • Stats: Aiming/Skill Increase Bonus + Zoom
  • High-end versions: Critical Hit Chance or Critical Damage bonuses
  • Cost Per Shot: Increases SLIGHTLY
    • No ammo cost
    • Decay (lose value) every trigger pull

Economy Analysis:

  • "Standard" scopes provide ~0.1% efficiency boost
  • Veteran advice: Don't use basic ones - decay cost outweighs tiny accuracy benefit
  • Only use if trying to "skill up" faster

3. Absorbers (Deterioration Absorbers)

Overlooked by beginners - protects weapon durability.

Examples:

  • ArMatrix Extender series

Mechanics:

  • What they do: "Absorb" percentage of weapon's decay
  • Stats: No damage or accuracy - strictly protect durability
  • Cost Per Shot: Technically NEUTRAL or CHEAPER
    • Absorber decays, but prevents gun from decaying

Strategic Use:

  • Use on Limited (L) weapons with high "Markup"
  • Makes expensive guns last longer
  • Saves money long-term on high-markup weapons

4. Enhancers ("Slot" Attachments)

High-risk, high-reward attachments.

Types:

  • Damage Enhancer
  • Economy Enhancer
  • Range Enhancer
  • etc.

Mechanics:

  • Stats: Massive boosts (+10% Damage, -1% Weapon Decay)
  • Cost Per Shot: HIGH RISK
    • Don't just decay - have RANDOM CHANCE TO BREAK and disappear completely

Strategic Use:

  • Only recommended for HIGH-LEVEL hunting
  • "Killing it before it kills you" survival strategy
  • Not for casual/beginner hunters

Important Note: Sights Stacking

Weapons can have multiple sights:

  • Weapon can have a sight
  • Scope can ALSO have a sight
  • Maximum: 2 sights possible (weapon + scope)

Cost Calculation Formula (Correct)

Base Weapon Cost Per Shot:

Cost = (weapon_decay_pec + weapon_ammo_pec) / 100  # PED

With Amplifier:

Cost = (weapon_decay_pec + weapon_ammo_pec + amp_decay_pec) / 100

With Scope:

Cost = (weapon_decay_pec + weapon_ammo_pec + scope_decay_pec) / 100
# (ammo cost unchanged)

With Absorber:

Weapon decay prevented = weapon_decay_pec × absorption_rate
Net cost = (weapon_decay_pec × (1 - absorption_rate) + absorber_decay_pec + weapon_ammo_pec) / 100

With Enhancer:

Base cost + enhancer_decay
# Plus risk of total enhancer loss (breakage)

Implementation Notes for Lemontropia Suite

  1. Amp Cost: Add amp_decay_pec to every shot cost
  2. Scope Cost: Add scope_decay_pec (no ammo impact)
  3. Absorber: Reduce weapon decay by absorption %, add absorber decay
  4. Enhancer: Add decay + implement breakage chance mechanic
  5. Double Sights: Support weapon sight + scope sight combination

Key Insight: Amps increase DPS but cost more per shot. Scopes/Absorbers are situational. Enhancers are high-risk endgame.

Armor Plating Mechanics

Source: Domain expert knowledge from user (@ImpulsiveFPS)
Date: 2026-02-09

How It Works (The "Shield" Layer)

When a monster hits you, damage flows through layers in specific order:

Incoming Damage → PLATE → ARMOR → PLAYER HEALTH

Example:

  • Armor: Protects against 10 Impact damage
  • Plate: Protects against 15 Impact damage
  • Monster hits: 20 Impact damage

Result:

  • Plate absorbs 15 → Plate takes decay
  • Armor absorbs remaining 5 → Armor takes decay
  • Player takes 0 damage

Why Use Plating?

1. Specialization

Don't buy "Acid Armor" - just add Acid Plates to your current suit.

2. Saving Money (Efficiency)

  • Plates usually have lower decay cost than high-end armor
  • Plates are easier to repair than armor
  • Cheaper to let plate take damage than armor itself

3. Boosting Weak Armor

Make "weak" starter armor viable for mid-level monsters by adding strong plating.

The Rules of Plating

Rule 1: One Plate Per Piece

  • You have 7 armor pieces: Head, Chest, Arms (2), Hands (2), Legs, Feet
  • Maximum: 1 plate per piece = 7 plates total

Rule 2: Matching Types (CRITICAL)

  • You want all 7 plates to be the same type
  • If you only plate your chest, and monster hits your leg → Plate does nothing!
  • Partial plating = wasted protection

Rule 3: Drag and Drop

  • Drag plate onto armor piece in inventory to "slot" it
  • Just like weapon attachments

Armor Piece Breakdown

Slot Can Have Plate?
Head Yes
Chest/Harness Yes
Left Arm Yes
Right Arm Yes
Left Hand Yes
Right Hand Yes
Thighs/Legs Yes
Feet Yes

Total: 7 plate slots

Decay Mechanics

When Damage is Absorbed:

  1. Plate takes decay first (primary layer)
  2. Armor takes decay second (overflow only)
  3. Player health reduced (if damage exceeds both)

Cost Optimization Strategy:

  • Cheap plates: High protection, low decay
  • Use plates for: Specific damage types (Acid, Cold, etc.)
  • Use armor for: General protection + cosmetic looks

Implementation Notes for Lemontropia Suite

  1. Plate Selection: Show 7 plate slots (one per armor piece)
  2. Protection Stacking: Plate protection + Armor protection = Total
  3. Decay Order: Plate decays first, armor decays second
  4. Matching Warning: Alert if player has mismatched plates
  5. Cost Calculation: Track plate decay separately from armor decay