Force handguards that take a sub-handguard to set handguard spawn chance to 100% - fixes split handguards appearing without the lower part

Only adds lower when weapon has no launcher attached

Adjust sub stock adding code to trigger when stock has a subslot that starts with `mod_stock`, this means `mod_stock_akms` and `mod_stock_000` will be included

project/assets/database/bots/types/bear.json

@@ -13785,6 +13785,11 @@
                     "5a800961159bd4315e3a1657"
                 ]
             },
+            "637f57b78d137b27f70c496a": {
+                "mod_foregrip": [
+                    "58c157c886f774032749fb06"
+                ]
+            },
             "6386300124a1dc425c00577a": {
                 "mod_stock": [
                     "5a0c59791526d8dba737bba7"

project/assets/database/bots/types/usec.json

@@ -4068,6 +4068,9 @@
                     "5a800961159bd4315e3a1657"
                 ]
             },
+			"637f57b78d137b27f70c496a": {
+				"mod_foregrip": ["58c157c886f774032749fb06"]
+			},
             "55d45f484bdc2d972f8b456d": {
                 "mod_foregrip": [
                     "5c1bc5af2e221602b412949b"

project/src/generators/BotEquipmentModGenerator.ts

@@ -266,8 +266,16 @@ export class BotEquipmentModGenerator
                 modSpawnChances.mod_sight_rear = 100;
             }
 
+            // Handguard mod can take a sub handguard mod + weapon has no UBGL (takes same slot)
+            // Force spawn chance to be 100% to ensure it gets added
+            if (modSlot === "mod_handguard" && modToAddTemplate._props.Slots.find(x => x._name === "mod_handguard") && !weapon.find(x => x.slotId === "mod_launcher"))
+            {
+                // Needed for handguards with lower
+                modSpawnChances.mod_handguard = 100;
+            }
+
             // If stock mod can take a sub stock mod, force spawn chance to be 100% to ensure stock gets added
-            if (modSlot === "mod_stock" && modToAddTemplate._props.Slots.find(x => x._name === "mod_stock"))
+            if (modSlot === "mod_stock" && modToAddTemplate._props.Slots.find(x => x._name.includes("mod_stock")))
             {
                 // Stock mod can take additional stocks, could be a locking device, force 100% chance
                 modSpawnChances.mod_stock = 100;

project/src/models/eft/common/tables/IBotType.ts

@@ -82,6 +82,7 @@ export interface ModsChances
     mod_tactical_001: number
     mod_tactical_002: number
     mod_tactical_003: number
+    mod_handguard: number
 }
 
 export interface Difficulties