⏳ Pregnancy Gestation & Prenatal Pasture Care

NOTE

📌 代码仓库源码状态免责声明：本 Wiki 文档反映了代码仓库中的当前源码状态（v1.3.4+26.2）。可能包含领先于 CurseForge 与 Modrinth 公开发布版本的最新未发布提交或开发特性。

📋 System Infobox

Property	Value
Feature Name	Autonomous & Manual Gestation Timers
Autonomous Gestation Toggle	`natural-reproduction:gestation_period` (Default: `true`)
Manual Breeding Gestation	`natural-reproduction:manual_gestation` (Default: `true`)
Default Gestation Duration	`natural-reproduction:gestation_duration` (`24000` ticks / 1 MC Day)
Prenatal Health Bonus	`+15%` Max Health
Prenatal Speed Bonus	`+10%` Movement Speed
Prenatal Scale Bonus	`+10%` Baseline Physical Scale
Primary Helper	`AnimalGestationHelper.java`

🎮 Player & Survival Gameplay Workflow

Mating & Conception: When two animals mate (either autonomously in the wild or via player manual feeding), the female parent enters pregnancy gestation.
Gestation Countdown: A 24,000-tick timer (1 in-game Minecraft Day) begins ticking down in the mother's persistent data.
Pasture Care During Pregnancy:
- If the mother spends her pregnancy in an Enriched Pasture with hay bales, water cauldrons, and shelter, she continuously accumulates Prenatal Vitality Points.
- If the mother is starved, trapped in a 1x1 pit, or overcrowded, prenatal vitality points decay.
Delivery: When the countdown reaches 0, the mother delivers her offspring. If prenatal points exceed the threshold, the baby is born with shimmering green HAPPY_VILLAGER sparkles and receives Prenatal Vitality.

🧮 Mathematical Formulas & Stat Inheritance

1. Gestation Countdown Progression

On each server tick ($20\text{ ticks} = 1\text{s}$):

$$T_{\text{remaining}} = T_{\text{remaining}} - 1$$

When $T_{\text{remaining}} \le 0$, deliverOffspring(mother, fatherLineage) executes.

2. Prenatal Vitality Buff Calculation

When born from a well-nourished mother ($\text{vitalityScore} \ge 80$):

$$\text{MaxHealth}_{\text{offspring}} = \text{BaseHealth} \times 1.15$$

$$\text{MovementSpeed}_{\text{offspring}} = \text{BaseSpeed} \times 1.10$$

$$\text{Scale}_{\text{offspring}} = \min(\text{InheritedScale} \times 1.10, \text{max_scale})$$

[Conception: 24,000 Ticks]
        │
        ▼ (Daylight Grazing)
Enriched Pasture Active? ──Yes──► [+1 Vitality Point / 200 ticks]
        │ No
Cramped Pen / Starved?   ──Yes──► [-1 Vitality Point / 200 ticks]
        │
        ▼ (Delivery at 0 Ticks)
Vitality >= 80 Points?
   ├── Yes ──► [Offspring receives +15% HP, +10% Speed, +10% Scale]
   └── No  ──► [Standard Base Offspring]

💻 Developer & NBT / CustomData Schema

Persistent Pregnancy Attachment

Gestation data is stored in the entity's persistent custom data:

json

{
  "NaturalReproduction": {
    "IsPregnant": true,
    "GestationTicks": 14200,
    "PrenatalVitality": 92,
    "FatherUUID": "c044d03e-8302-4212-9214-7d52ef7ca241"
  }
}

Programmatic Gestation API

java

// Check if an animal is pregnant
boolean pregnant = AnimalGestationHelper.isPregnant(animal);

// Query remaining gestation time
int remainingTicks = AnimalGestationHelper.getRemainingGestation(animal);

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⏳ Pregnancy Gestation & Prenatal Pasture Care ​

📋 System Infobox ​

🎮 Player & Survival Gameplay Workflow ​

🧮 Mathematical Formulas & Stat Inheritance ​

1. Gestation Countdown Progression ​

2. Prenatal Vitality Buff Calculation ​

💻 Developer & NBT / CustomData Schema ​

Persistent Pregnancy Attachment ​

Programmatic Gestation API ​

🔗 Related Documentation ​