106 lines
3.8 KiB
Markdown
106 lines
3.8 KiB
Markdown
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# **Research Specification: The Ancient Archive**
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This document defines the UI and Logic for the Research Facility. This is the primary sink for **Ancient Cores** (Rare Currency) and provides global, permanent buffs to the campaign.
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## **1. Context & Unlock**
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What is it?
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A facility where the player studies recovered technology and magical theory to improve the efficiency of their operation. Unlike Class Mastery (which buffs specific units), Research buffs the player's infrastructure.
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**How is it unlocked?**
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- **Requirement:** Complete Story Mission 3 ("The Buried Library").
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- **Narrative Event:** The player recovers a damaged "Archive Core" AI. Installing it in the Hub opens the Research tab.
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## **2. Visual Design & Layout**
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**Setting:** A cluttered corner of the camp filled with glowing blue hologram projectors and piles of scrolls.
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- **Vibe:** Intellectual, mystical, high-tech.
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**Layout:**
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- **Header:** "Ancient Archive". Displays **Ancient Cores** count (Large).
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- **Main View (The Tree):** A horizontal scrolling view of 3 distinct "Tech Trees".
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1. **Logistics (Green):** Economic and Roster upgrades.
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2. **Intelligence (Blue):** Map and Enemy info upgrades.
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3. **Field Ops (Red):** Combat preparation and starting bonuses.
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- **Inspector Panel (Right):**
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- Selected Node Name & Icon.
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- Description ("Increases Roster Size by 2").
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- Cost ("2 Ancient Cores").
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- Status ("Locked", "Available", "Researched").
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- Button: "RESEARCH".
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## **3. The Tech Trees**
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### **A. Logistics (Economy & Management)**
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1. **Expanded Barracks I:** Roster Limit +2.
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2. **Bulk Contracts:** Recruiting cost -10%.
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3. **Expanded Barracks II:** Roster Limit +4.
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4. **Deep Pockets:** Market Buyback slots +2.
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5. **Salvage Protocol:** Sell prices at Market +10%.
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### **B. Intelligence (Information Warfare)**
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1. **Scout Drone:** Reveals the biome type of Side Missions before accepting them.
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2. **Vital Sensors:** Enemy Health Bars show exact numbers instead of just bars.
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3. **Threat Analysis:** Reveals Enemy Types (e.g. "Mechanical") on the Mission Board dossier.
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4. **Map Data:** Reveals the location of the Boss Room on the minimap at start of run.
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### **C. Field Ops (Combat Prep)**
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1. **Supply Drop:** Start every run with 1 Free Potion in the shared stash.
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2. **Fast Deploy:** First turn of combat grants +1 AP to all units.
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3. **Emergency Beacon:** "Retreat" option becomes available (Escape with 50% loot retention instead of 0%).
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4. **Hardened Steel:** All crafted/bought weapons start with +1 Damage.
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## **4. TypeScript Interfaces**
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```ts
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// src/types/Research.ts
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export type ResearchTreeType = "LOGISTICS" | "INTEL" | "FIELD_OPS";
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export interface ResearchNode {
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id: string; // e.g. "RES_LOGISTICS_01"
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name: string;
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description: string;
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tree: ResearchTreeType;
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tier: number; // Depth in the tree (1-5)
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cost: number; // Ancient Cores
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/** IDs of parent nodes that must be unlocked first */
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prerequisites: string[];
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/** The actual effect applied to the game state */
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effect: {
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type: "ROSTER_LIMIT" | "MARKET_DISCOUNT" | "STARTING_ITEM" | "UI_UNLOCK";
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value: number | string;
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};
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}
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export interface ResearchState {
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unlockedNodeIds: string[]; // List of IDs player has bought
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availableCores: number;
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}
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```
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## **5. Conditions of Acceptance (CoA)**
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**CoA 1: Dependency Logic**
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- A node cannot be researched unless _all_ its prerequisites are in the unlockedNodeIds list.
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- The UI must visually distinguish between Locked (Grey), Available (Lit), and Completed (Gold).
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**CoA 2: Currency Consumption**
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- Researching a node must deduct the exact Ancient Core cost from the global persistence.
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- The action must fail if availableCores < cost.
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**CoA** 3: Effect **Application**
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- **Passive:** "Expanded Barracks" must immediately update the RosterManager.rosterLimit.
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- **Runtime:** "Supply Drop" must trigger a check in GameLoop.startLevel to insert the item.
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