From bd28cbca5776a3a033bfc9da4b6401f74e1a7879 Mon Sep 17 00:00:00 2001
From: Dev <dev@dev.sp-tarkov.com>
Date: Sun, 30 Jun 2024 23:20:49 +0100
Subject: [PATCH] Feature, plates in armors listed by fence now have individual
 chances to be removed before listing based on plate protection level

---
 project/assets/configs/trader.json            |  7 +++++-
 .../src/models/spt/config/ITraderConfig.ts    |  3 ++-
 project/src/services/FenceService.ts          | 25 +++++++++++--------
 3 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/project/assets/configs/trader.json b/project/assets/configs/trader.json
index b57b94b6..24905f12 100644
--- a/project/assets/configs/trader.json
+++ b/project/assets/configs/trader.json
@@ -201,7 +201,12 @@
                 "max": 100
             }
         },
-        "chancePlateExistsInArmorPercent": 50,
+        "chancePlateExistsInArmorPercent": {
+			"3": 95,
+			"4": 75,
+			"5": 25,
+			"6": 10
+		},
         "armorMaxDurabilityPercentMinMax": {
             "current": {
                 "min": 50,
diff --git a/project/src/models/spt/config/ITraderConfig.ts b/project/src/models/spt/config/ITraderConfig.ts
index de2e8756..8409ac58 100644
--- a/project/src/models/spt/config/ITraderConfig.ts
+++ b/project/src/models/spt/config/ITraderConfig.ts
@@ -33,7 +33,8 @@ export interface FenceConfig
     presetPriceMult: number
     armorMaxDurabilityPercentMinMax: IItemDurabilityCurrentMax
     weaponDurabilityPercentMinMax: IItemDurabilityCurrentMax
-    chancePlateExistsInArmorPercent: number
+    /** Keyed to plate protection level */
+    chancePlateExistsInArmorPercent: Record<string, number>
     /** Key: item tpl */
     itemStackSizeOverrideMinMax: Record<string, MinMax>
     itemTypeLimits: Record<string, number>
diff --git a/project/src/services/FenceService.ts b/project/src/services/FenceService.ts
index ad97df23..00be79c0 100644
--- a/project/src/services/FenceService.ts
+++ b/project/src/services/FenceService.ts
@@ -1220,6 +1220,7 @@ export class FenceService
 
     /**
      * Randomise the durability values of plate items in armor
+     * Has chance to remove plate
      * @param plateSlots Slots of items to randomise
      * @param armorItemAndMods Array of armor + inserts to get items from
      */
@@ -1227,23 +1228,27 @@ export class FenceService
     {
         for (const plateSlot of plateSlots!)
         {
-            // Chance to not add plate
-            if (!this.randomUtil.getChance100(this.traderConfig.fence.chancePlateExistsInArmorPercent))
-            {
-                // Remove plate from armor
-                armorItemAndMods = armorItemAndMods
-                    .filter((item) => item.slotId!.toLowerCase() !== plateSlot._name.toLowerCase());
-                continue;
-            }
-
             const plateTpl = plateSlot._props.filters[0].Plate;
             if (!plateTpl)
             {
-                // Bsg data lacks a default plate, skip adding mod
+                // Bsg data lacks a default plate, skip randomisng for this mod
                 continue;
             }
 
             const modItemDbDetails = this.itemHelper.getItem(plateTpl)[1];
+
+            // Chance to remove plate
+            const plateExistsChance = this.traderConfig
+                .fence.chancePlateExistsInArmorPercent[modItemDbDetails._props?.armorClass ?? "3"];
+            if (!this.randomUtil.getChance100(plateExistsChance))
+            {
+                // Remove plate from armor
+                armorItemAndMods = armorItemAndMods
+                    .filter((item) => item.slotId!.toLowerCase() !== plateSlot._name.toLowerCase());
+
+                continue;
+            }
+
             const durabilityValues = this.getRandomisedArmorDurabilityValues(
                 modItemDbDetails,
                 this.traderConfig.fence.armorMaxDurabilityPercentMinMax,