From 52a5380c3361de60598ae4477862b4a150c46800 Mon Sep 17 00:00:00 2001
From: Dev <dev@dev.sp-tarkov.com>
Date: Sat, 6 Jan 2024 15:19:04 +0000
Subject: [PATCH] Add `botRelativeLevelDeltaMin` to pmc.json to allow
 configuration of lowest level of pmc relative to player

---
 project/assets/configs/pmc.json               |  1 +
 project/src/controllers/BotController.ts      |  1 +
 project/src/generators/BotGenerator.ts        |  1 +
 project/src/generators/BotLevelGenerator.ts   | 33 ++++++++++++++++++-
 .../models/spt/bots/BotGenerationDetails.ts   |  4 ++-
 project/src/models/spt/config/IPmcConfig.ts   |  2 ++
 6 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/project/assets/configs/pmc.json b/project/assets/configs/pmc.json
index f7cf9bc5..8aff3b57 100644
--- a/project/assets/configs/pmc.json
+++ b/project/assets/configs/pmc.json
@@ -173,6 +173,7 @@
     "useDifficultyOverride": false,
     "difficulty": "AsOnline",
     "botRelativeLevelDeltaMax": 10,
+    "botRelativeLevelDeltaMin": 70,
     "_isUsec": "Percentage chance PMC will be USEC",
     "isUsec": 50,
     "chanceSameSideIsHostilePercent": 80,
diff --git a/project/src/controllers/BotController.ts b/project/src/controllers/BotController.ts
index 03f810af..f1c5332a 100644
--- a/project/src/controllers/BotController.ts
+++ b/project/src/controllers/BotController.ts
@@ -153,6 +153,7 @@ export class BotController
                 role: condition.Role,
                 playerLevel: pmcProfile.Info.Level,
                 botRelativeLevelDeltaMax: this.pmcConfig.botRelativeLevelDeltaMax,
+                botRelativeLevelDeltaMin: this.pmcConfig.botRelativeLevelDeltaMin,
                 botCountToGenerate: this.botConfig.presetBatch[condition.Role],
                 botDifficulty: condition.Difficulty,
                 isPlayerScav: false,
diff --git a/project/src/generators/BotGenerator.ts b/project/src/generators/BotGenerator.ts
index 200bb8be..e82086a1 100644
--- a/project/src/generators/BotGenerator.ts
+++ b/project/src/generators/BotGenerator.ts
@@ -83,6 +83,7 @@ export class BotGenerator
             role: role,
             playerLevel: 0,
             botRelativeLevelDeltaMax: 0,
+            botRelativeLevelDeltaMin: 0,
             botCountToGenerate: 1,
             botDifficulty: difficulty,
             isPlayerScav: true,
diff --git a/project/src/generators/BotLevelGenerator.ts b/project/src/generators/BotLevelGenerator.ts
index 38778504..6ac8d71c 100644
--- a/project/src/generators/BotLevelGenerator.ts
+++ b/project/src/generators/BotLevelGenerator.ts
@@ -39,10 +39,15 @@ export class BotLevelGenerator
             levelDetails,
             expTable,
         );
+        const lowestLevel = this.getLowestRelativeBotLevel(
+            botGenerationDetails.playerLevel,
+            botGenerationDetails.botRelativeLevelDeltaMin,
+            levelDetails,
+            expTable);
 
         // Get random level based on the exp table.
         let exp = 0;
-        const level = this.randomUtil.getInt(1, highestLevel);
+        const level = this.randomUtil.getInt(lowestLevel, highestLevel);
 
         for (let i = 0; i < level; i++)
         {
@@ -71,6 +76,7 @@ export class BotLevelGenerator
         expTable: IExpTable[],
     ): number
     {
+        // Some bots have a max level of 1
         const maxPossibleLevel = Math.min(levelDetails.max, expTable.length);
 
         let level = playerLevel + relativeDeltaMax;
@@ -81,4 +87,29 @@ export class BotLevelGenerator
 
         return level;
     }
+
+    /**
+     * Get the highest level a bot can be relative to the players level, but no further than the max size from globals.exp_table
+     * @param playerLevel Players current level
+     * @param relativeDeltaMax max delta above player level to go
+     * @returns highest level possible for bot
+     */
+    protected getLowestRelativeBotLevel(
+        playerLevel: number,
+        relativeDeltaMin: number,
+        levelDetails: MinMax,
+        expTable: IExpTable[],
+    ): number
+    {
+        // Some bots have a max level of 1
+        const minPossibleLevel = Math.min(levelDetails.min, expTable.length);
+
+        let level = playerLevel - relativeDeltaMin;
+        if (level < minPossibleLevel)
+        {
+            level = minPossibleLevel;
+        }
+
+        return level;
+    }
 }
diff --git a/project/src/models/spt/bots/BotGenerationDetails.ts b/project/src/models/spt/bots/BotGenerationDetails.ts
index 90596346..c1158ebb 100644
--- a/project/src/models/spt/bots/BotGenerationDetails.ts
+++ b/project/src/models/spt/bots/BotGenerationDetails.ts
@@ -8,8 +8,10 @@ export interface BotGenerationDetails
     side: string;
     /** Active players current level */
     playerLevel: number;
-    /** Delta of highest level of bot */
+    /** Delta of highest level of bot e.g. 50 means 50 levels above player */
     botRelativeLevelDeltaMax: number;
+    /** Delta of lowest level of bot e.g. 50 means 50 levels below player */
+    botRelativeLevelDeltaMin: number;
     /** How many to create and store */
     botCountToGenerate: number;
     /** Desired difficulty of the bot */
diff --git a/project/src/models/spt/config/IPmcConfig.ts b/project/src/models/spt/config/IPmcConfig.ts
index fff537e1..c57276ca 100644
--- a/project/src/models/spt/config/IPmcConfig.ts
+++ b/project/src/models/spt/config/IPmcConfig.ts
@@ -44,6 +44,8 @@ export interface IPmcConfig extends IBaseConfig
     enemyTypes: string[];
     /** How many levels above player level can a PMC be */
     botRelativeLevelDeltaMax: number;
+    /** How many levels below player level can a PMC be */
+    botRelativeLevelDeltaMin: number;
     /** Force a number of healing items into PMCs secure container to ensure they can heal */
     forceHealingItemsIntoSecure: boolean;
     addPrefixToSameNamePMCAsPlayerChance: number;