initial commit

config/config.json

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+{
+    "traders": [
+        {
+            "name": "lotus",
+            "discount": 0
+        },
+        {
+            "name": "scorpion",
+            "discount": 0
+        }
+    ]
+}

package.json

@@ -0,0 +1,26 @@
+{
+    "name": "average custom traders price",
+    "version": "0.0.3",
+    "main": "src/mod.js",
+    "license": "MIT",
+    "author": "robinxb",
+    "sptVersion": "~3.9",
+    "scripts": {
+        "setup": "npm i",
+        "build": "node ./build.mjs",
+        "buildinfo": "node ./build.mjs --verbose"
+    },
+    "devDependencies": {
+        "@types/node": "20.11",
+        "@typescript-eslint/eslint-plugin": "7.2",
+        "@typescript-eslint/parser": "7.2",
+        "archiver": "^6.0",
+        "eslint": "8.57",
+        "fs-extra": "11.2",
+        "ignore": "^5.2",
+        "os": "^0.1",
+        "tsyringe": "4.8.0",
+        "typescript": "5.4",
+        "winston": "3.12"
+    }
+}

src/mod.ts

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+import type { DependencyContainer } from "tsyringe";
+import { DatabaseServer } from "@spt/servers/DatabaseServer";
+import type { IPostDBLoadMod } from "@spt/models/external/IPostDBLoadMod";
+import type { IDatabaseTables } from "@spt/models/spt/server/IDatabaseTables";
+import type { ILogger } from "@spt/models/spt/utils/ILogger";
+const modConfig = require("../config/config.json");
+
+const traderIds = [
+    "54cb50c76803fa8b248b4571", // Prapor
+    "54cb57776803fa99248b456e", // Therapist
+    "58330581ace78e27b8b10cee", // Fence
+    "5935c25fb3acc3127c3d8cd9", // Skier
+    "5a7c2eca46aef81a7ca2145d", // Peacekeeper
+    "5ac3b934156ae10c4430e83c", // Mechanic
+    "5c0647fdd443bc2504c2d371"  // Ragman
+];
+
+class Mod implements IPostDBLoadMod {
+    private tables: IDatabaseTables;
+    private logger: ILogger;
+
+    private calculateAndPrintAverages() {
+        const averages = [];
+        const loyaltyLevels = Object.keys(this.tables.traders[traderIds[0]].base.loyaltyLevels);
+
+        this.logger.log("[ACTP] Average Custom Trader Prices starting to apply trader changes...", "yellow");
+
+        loyaltyLevels.forEach(ll => {
+            let accumCoef = 0;
+            traderIds.forEach(id => {
+                const buyPriceCoef = this.tables.traders[id].base.loyaltyLevels[ll].buy_price_coef;
+                accumCoef += buyPriceCoef;
+            });
+            const avg = Math.round(accumCoef / traderIds.length);
+            averages[ll] = avg;
+        });
+
+        this.logger.log(`[ACTP] Averages: ${loyaltyLevels.map(ll => `LL${parseInt(ll) + 1} - ${averages[ll]}`).join(' | ')}`, "white");
+
+        return averages;
+    }
+
+    private applyTradersChange(averages: number[]) {
+        for (let i in modConfig['traders']) {
+            const traderConfig = modConfig['traders'][i];
+            const name = traderConfig.name;
+            const discount = traderConfig.discount || 0;
+            const finalValues = [];
+
+            if (this.tables.traders[name]) {
+                for (let ll in this.tables.traders[name].base.loyaltyLevels) {
+                    let avg = averages[ll];
+                    avg += avg * (discount / 100);
+                    const finalValue = Math.floor(avg);
+                    this.tables.traders[name].base.loyaltyLevels[ll].buy_price_coef = finalValue;
+                    finalValues.push(`LL${parseInt(ll) + 1} - ${finalValue}`);
+                }
+                this.logger.log(`[ACTP] Changed trader ${name} with discount ${discount}%: ${finalValues.join(' | ')}`, "white");
+            } else {
+                this.logger.log(`[ACTP] Trader ${name} not found in database.`, "red");
+            }
+        }
+    }
+
+    postDBLoad(container: DependencyContainer): void {
+        this.logger = container.resolve<ILogger>("WinstonLogger");
+        this.tables = container.resolve<DatabaseServer>("DatabaseServer").getTables();
+        
+        const averages = this.calculateAndPrintAverages();
+        this.applyTradersChange(averages);
+
+        this.logger.log("[ACTP] Finished applying trader changes.", "yellow");
+    }
+}
+
+module.exports = { mod: new Mod() };