Small loader performance improvements

Author: Foereaper

ElunaLoader.cpp

@@ -166,9 +166,8 @@ void ElunaLoader::LoadScripts()
 
 int ElunaLoader::LoadBytecodeChunk(lua_State* /*L*/, uint8* bytes, size_t len, BytecodeBuffer* buffer)
 {
-    for (size_t i = 0; i < len; i++)
-        buffer->push_back(bytes[i]);
-
+    buffer->reserve(buffer->size() + len);
+    buffer->insert(buffer->end(), bytes, bytes + len);
     return 0;
 }
 
@@ -338,8 +337,10 @@ void ElunaLoader::CombineLists()
     m_scripts.sort(ScriptPathComparator);
 
     m_scriptCache.clear();
-    m_scriptCache.insert(m_scriptCache.end(), m_extensions.begin(), m_extensions.end());
-    m_scriptCache.insert(m_scriptCache.end(), m_scripts.begin(), m_scripts.end());
+    m_scriptCache.reserve(m_extensions.size() + m_scripts.size());
+
+    std::move(m_extensions.begin(), m_extensions.end(), std::back_inserter(m_scriptCache));
+    std::move(m_scripts.begin(), m_scripts.end(), std::back_inserter(m_scriptCache));
 
     m_extensions.clear();
     m_scripts.clear();