cppcheck

source/core/resources/resource_pack.cpp

@@ -5,6 +5,7 @@
 #include <filesystem>
 #include <fstream>
 #include <iostream>
+#include <numeric>
 #include <utility>
 
 const std::string ResourcePack::DEFAULT_ENCRYPT_KEY = "CCRS_RESOURCES__2026";
@@ -17,11 +18,8 @@ ResourcePack::~ResourcePack() {
 }
 
 uint32_t ResourcePack::calculateChecksum(const std::vector<uint8_t>& data) {
-    uint32_t checksum = 0x12345678;
-    for (unsigned char i : data) {
-        checksum = ((checksum << 5) + checksum) + i;
-    }
-    return checksum;
+    return std::accumulate(data.begin(), data.end(), uint32_t(0x12345678),
+                           [](uint32_t acc, uint8_t b) { return ((acc << 5) + acc) + b; });
 }
 
 void ResourcePack::encryptData(std::vector<uint8_t>& data, const std::string& key) {