diff --git a/src/assets/Assets.cpp b/src/assets/Assets.cpp
index 993e7360..c7ef6946 100644
--- a/src/assets/Assets.cpp
+++ b/src/assets/Assets.cpp
@@ -1,6 +1,7 @@
 #include "Assets.hpp"
 
-Assets::~Assets() = default;
+Assets::~Assets() {
+}
 
 const std::vector<TextureAnimation>& Assets::getAnimations() {
     return animations;
diff --git a/src/assets/Assets.hpp b/src/assets/Assets.hpp
index d30f8187..4474301e 100644
--- a/src/assets/Assets.hpp
+++ b/src/assets/Assets.hpp
@@ -68,7 +68,7 @@ class Assets {
     std::unordered_map<std::type_index, assets_map> assets;
     std::vector<assetload::setupfunc> setupFuncs;
 public:
-    Assets() = default;
+    Assets() {}
     Assets(const Assets&) = delete;
     ~Assets();
 
diff --git a/src/audio/AL/alutil.hpp b/src/audio/AL/alutil.hpp
index 9aff6433..6ceccda4 100644
--- a/src/audio/AL/alutil.hpp
+++ b/src/audio/AL/alutil.hpp
@@ -40,8 +40,7 @@ namespace AL {
     /// @param field enum value
     /// @param def default value will be returned in case of error
     /// @return field value or default
-    inline glm::vec3 getSource3f(uint source, ALenum field, const glm::vec3& def= {}
-    ) {
+    inline glm::vec3 getSource3f(uint source, ALenum field, glm::vec3 def={}) {
         glm::vec3 value = def;
         if (source == 0)
             return def;
diff --git a/src/audio/audio.cpp b/src/audio/audio.cpp
index afd96cb5..b6a36e42 100644
--- a/src/audio/audio.cpp
+++ b/src/audio/audio.cpp
@@ -210,10 +210,10 @@ std::unique_ptr<Stream> audio::open_stream(std::shared_ptr<PCMStream> stream, bo
 
 
 void audio::set_listener(
-    const glm::vec3& position,
-    const glm::vec3& velocity,
-    const glm::vec3& lookAt,
-    const glm::vec3& up
+    glm::vec3 position, 
+    glm::vec3 velocity, 
+    glm::vec3 lookAt, 
+    glm::vec3 up
 ) {
     backend->setListener(position, velocity, lookAt, up);
 }
@@ -253,7 +253,7 @@ speakerid_t audio::play(
     if (!sound->variants.empty()) {
         size_t index = rand() % (sound->variants.size() + 1);
         if (index < sound->variants.size()) {
-            sound = sound->variants[index].get();
+            sound = sound->variants.at(index).get();
         }
     }
     auto speaker_ptr = sound->newInstance(priority, channel);
@@ -266,7 +266,7 @@ speakerid_t audio::play(
     }
     auto speaker = speaker_ptr.get();
     speakerid_t id = nextId++;
-    speakers.try_emplace(id, std::move(speaker_ptr));
+    speakers.emplace(id, std::move(speaker_ptr));
     speaker->setPosition(position);
     speaker->setVolume(volume);
     speaker->setPitch(pitch);
@@ -295,8 +295,8 @@ speakerid_t audio::play(
     }
     auto speaker = speaker_ptr.get();
     speakerid_t id = nextId++;
-    streams.try_emplace(id, stream);
-    speakers.try_emplace(id, std::move(speaker_ptr));
+    streams.emplace(id, stream);
+    speakers.emplace(id, std::move(speaker_ptr));
     stream->bindSpeaker(id);
 
     speaker->setPosition(position);
@@ -310,7 +310,7 @@ speakerid_t audio::play(
 
 speakerid_t audio::play_stream(
     const fs::path& file,
-    const glm::vec3& position,
+    glm::vec3 position,
     bool relative,
     float volume,
     float pitch,
diff --git a/src/audio/audio.hpp b/src/audio/audio.hpp
index 5e58a854..4656de6f 100644
--- a/src/audio/audio.hpp
+++ b/src/audio/audio.hpp
@@ -399,10 +399,10 @@ namespace audio {
     /// @param lookAt point the listener look at
     /// @param up camera up vector
     void set_listener(
-        const glm::vec3& position,
-        const glm::vec3& velocity,
-        const glm::vec3& lookAt,
-        const glm::vec3& up
+        glm::vec3 position, 
+        glm::vec3 velocity, 
+        glm::vec3 lookAt, 
+        glm::vec3 up
     );
 
     /// @brief Play 3D sound in the world
@@ -457,7 +457,7 @@ namespace audio {
     /// @return speaker id or 0
     speakerid_t play_stream(
         const fs::path& file,
-        const glm::vec3& position,
+        glm::vec3 position,
         bool relative,
         float volume,
         float pitch,
diff --git a/src/coders/xml.hpp b/src/coders/xml.hpp
index 4af2e4b1..c70ce9c2 100644
--- a/src/coders/xml.hpp
+++ b/src/coders/xml.hpp
@@ -23,7 +23,7 @@ namespace xml {
         std::string name;
         std::string text;
     public:
-        Attribute() = default;
+        Attribute() {};
         Attribute(std::string name, std::string text);
 
         const std::string& getName() const;
diff --git a/src/content/Content.cpp b/src/content/Content.cpp
index 2e5612a4..11e204d6 100644
--- a/src/content/Content.cpp
+++ b/src/content/Content.cpp
@@ -46,7 +46,8 @@ Content::Content(
     }
 }
 
-Content::~Content() = default;
+Content::~Content() {
+}
 
 const rigging::SkeletonConfig* Content::getSkeleton(const std::string& id) const {
     auto found = skeletons.find(id);
diff --git a/src/content/Content.hpp b/src/content/Content.hpp
index 7f3a7d75..16e072b7 100644
--- a/src/content/Content.hpp
+++ b/src/content/Content.hpp
@@ -119,7 +119,7 @@ public:
 
     static constexpr size_t MISSING = SIZE_MAX;
 
-    void add(const std::string& name, dynamic::Map_sptr map) {
+    void add(std::string name, dynamic::Map_sptr map) {
         indices[name] = names.size();
         names.push_back(name);
         savedData->push_back(map);
diff --git a/src/content/ContentBuilder.cpp b/src/content/ContentBuilder.cpp
index 76f3052c..6f7b730b 100644
--- a/src/content/ContentBuilder.cpp
+++ b/src/content/ContentBuilder.cpp
@@ -2,7 +2,7 @@
 
 #include "../objects/rigging.hpp"
 
-ContentBuilder::~ContentBuilder() = default;
+ContentBuilder::~ContentBuilder() {}
 
 void ContentBuilder::add(std::unique_ptr<ContentPackRuntime> pack) {
     packs[pack->getId()] = std::move(pack);
diff --git a/src/content/ContentLoader.cpp b/src/content/ContentLoader.cpp
index d82f0b70..448754a2 100644
--- a/src/content/ContentLoader.cpp
+++ b/src/content/ContentLoader.cpp
@@ -85,7 +85,7 @@ bool ContentLoader::fixPackIndices(
             indexed.push_back(name);
         }
     }
-    for (const auto &name : detected) {
+    for (auto name : detected) {
         if (!util::contains(indexed, name)) {
             arr->put(name);
             modified = true;
@@ -176,10 +176,9 @@ void ContentLoader::loadBlock(Block& def, const std::string& name, const fs::pat
         def.hitboxes.resize(boxarr->size());
         for (uint i = 0; i < boxarr->size(); i++) {
             auto box = boxarr->list(i);
-            auto& hitboxesIndex = def.hitboxes[i];
-            hitboxesIndex.a = glm::vec3(box->num(0), box->num(1), box->num(2));
-            hitboxesIndex.b = glm::vec3(box->num(3), box->num(4), box->num(5));
-            hitboxesIndex.b += hitboxesIndex.a;
+            def.hitboxes[i].a = glm::vec3(box->num(0), box->num(1), box->num(2));
+            def.hitboxes[i].b = glm::vec3(box->num(3), box->num(4), box->num(5));
+            def.hitboxes[i].b += def.hitboxes[i].a;
         }
     } else if ((boxarr = root->list("hitbox"))){
         AABB aabb;
@@ -252,11 +251,11 @@ void ContentLoader::loadCustomBlockModel(Block& def, dynamic::Map* primitives) {
 
             if (boxarr->size() == 7)
                 for (uint j = 6; j < 12; j++) {
-                    def.modelTextures.emplace_back(boxarr->str(6));
+                    def.modelTextures.push_back(boxarr->str(6));
                 }
             else if (boxarr->size() == 12)
                 for (uint j = 6; j < 12; j++) {
-                    def.modelTextures.emplace_back(boxarr->str(j));
+                    def.modelTextures.push_back(boxarr->str(j));
                 }
             else
                 for (uint j = 6; j < 12; j++) {
@@ -277,7 +276,7 @@ void ContentLoader::loadCustomBlockModel(Block& def, dynamic::Map* primitives) {
             def.modelExtraPoints.push_back(p1+xw+yh);
             def.modelExtraPoints.push_back(p1+yh);
 
-            def.modelTextures.emplace_back(tgonobj->str(9));
+            def.modelTextures.push_back(tgonobj->str(9));
         }
     }
 }
@@ -314,7 +313,7 @@ void ContentLoader::loadEntity(EntityDef& def, const std::string& name, const fs
     auto root = files::read_json(file);
     if (auto componentsarr = root->list("components")) {
         for (size_t i = 0; i < componentsarr->size(); i++) {
-            def.components.emplace_back(componentsarr->str(i));
+            def.components.push_back(componentsarr->str(i));
         }
     }
     if (auto boxarr = root->list("hitbox")) {
@@ -325,12 +324,12 @@ void ContentLoader::loadEntity(EntityDef& def, const std::string& name, const fs
             if (auto sensorarr = sensorsarr->list(i)) {
                 auto sensorType = sensorarr->str(0);
                 if (sensorType == "aabb") {
-                    def.boxSensors.emplace_back(i, AABB{
+                    def.boxSensors.push_back({i, {
                         {sensorarr->num(1), sensorarr->num(2), sensorarr->num(3)},
                         {sensorarr->num(4), sensorarr->num(5), sensorarr->num(6)}
-                    });
+                    }});
                 } else if (sensorType == "radius") {
-                    def.radialSensors.emplace_back(i, sensorarr->num(1));
+                    def.radialSensors.push_back({i, sensorarr->num(1)});
                 } else {
                     logger.error() << name << ": sensor #" << i << " - unknown type "
                         << util::quote(sensorType);
diff --git a/src/content/ContentPack.cpp b/src/content/ContentPack.cpp
index 0c88c7b0..8388e30c 100644
--- a/src/content/ContentPack.cpp
+++ b/src/content/ContentPack.cpp
@@ -142,4 +142,5 @@ ContentPackRuntime::ContentPackRuntime(
 {
 }
 
-ContentPackRuntime::~ContentPackRuntime() = default;
+ContentPackRuntime::~ContentPackRuntime() {
+}
diff --git a/src/content/PacksManager.cpp b/src/content/PacksManager.cpp
index 3a47d66d..c8bb4e05 100644
--- a/src/content/PacksManager.cpp
+++ b/src/content/PacksManager.cpp
@@ -5,10 +5,11 @@
 #include <queue>
 #include <sstream>
 
-PacksManager::PacksManager() = default;
+PacksManager::PacksManager() {
+}
 
 void PacksManager::setSources(std::vector<fs::path> sources) {
-    this->sources = std::move(sources);
+    this->sources = sources;
 }
 
 void PacksManager::scan() {
@@ -18,7 +19,7 @@ void PacksManager::scan() {
     for (auto& folder : sources) {
         ContentPack::scanFolder(folder, packsList);
         for (auto& pack : packsList) {
-            packs.try_emplace(pack.id, pack);
+            packs.emplace(pack.id, pack);
         }
     }
 }
diff --git a/src/data/dynamic.hpp b/src/data/dynamic.hpp
index ab66bdd8..90f4fe69 100644
--- a/src/data/dynamic.hpp
+++ b/src/data/dynamic.hpp
@@ -41,7 +41,7 @@ namespace dynamic {
     public:
         std::vector<Value> values;
 
-        List() = default;
+        List() {}
         List(std::vector<Value> values) : values(std::move(values)) {}
 
         std::string str(size_t index) const;
@@ -79,7 +79,7 @@ namespace dynamic {
     public:
         std::unordered_map<std::string, Value> values;
 
-        Map() = default;
+        Map() {}
         Map(std::unordered_map<std::string, Value> values) 
         : values(std::move(values)) {};
 
@@ -118,34 +118,34 @@ namespace dynamic {
         List_sptr list(const std::string& key) const;
         void flag(const std::string& key, bool& dst) const;
 
-        Map& put(const std::string& key, std::unique_ptr<Map> value) {
+        Map& put(std::string key, std::unique_ptr<Map> value) {
             return put(key, Map_sptr(value.release()));
         }
-        Map& put(const std::string& key, std::unique_ptr<List> value) {
+        Map& put(std::string key, std::unique_ptr<List> value) {
             return put(key, List_sptr(value.release()));
         }
-        Map& put(const std::string& key, int value) {
+        Map& put(std::string key, int value) {
             return put(key, Value(static_cast<integer_t>(value)));
         }
-        Map& put(const std::string& key, unsigned int value) {
+        Map& put(std::string key, unsigned int value) {
             return put(key, Value(static_cast<integer_t>(value)));
         }
-        Map& put(const std::string& key, int64_t value) {
+        Map& put(std::string key, int64_t value) {
             return put(key, Value(static_cast<integer_t>(value)));
         }
-        Map& put(const std::string& key, uint64_t value) {
+        Map& put(std::string key, uint64_t value) {
             return put(key, Value(static_cast<integer_t>(value)));
         }
-        Map& put(const std::string& key, float value) {
+        Map& put(std::string key, float value) {
             return put(key, Value(static_cast<number_t>(value)));
         }
-        Map& put(const std::string& key, double value) {
+        Map& put(std::string key, double value) {
             return put(key, Value(static_cast<number_t>(value)));
         }
-        Map& put(const std::string& key, bool value) {
+        Map& put(std::string key, bool value) {
             return put(key, Value(static_cast<bool>(value)));
         }
-        Map& put(const std::string& key, const char* value) {
+        Map& put(std::string key, const char* value) {
             return put(key, Value(value));
         }
         Map& put(const std::string& key, const Value& value);
diff --git a/src/engine.cpp b/src/engine.cpp
index f7f6b0e1..cd88298f 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -55,7 +55,7 @@ static void add_world_generators() {
     WorldGenerators::addGenerator<FlatWorldGenerator>("core:flat");
 }
 
-static void create_channel(Engine* engine, const std::string& name, NumberSetting& setting) {
+static void create_channel(Engine* engine, std::string name, NumberSetting& setting) {
     if (name != "master") {
         audio::create_channel(name);
     }
diff --git a/src/files/WorldConverter.cpp b/src/files/WorldConverter.cpp
index 006d031b..1f0b7ad2 100644
--- a/src/files/WorldConverter.cpp
+++ b/src/files/WorldConverter.cpp
@@ -73,12 +73,11 @@ std::shared_ptr<Task> WorldConverter::startTask(
         [=](){return std::make_shared<ConverterWorker>(converter);},
         [=](int&) {}
     );
-    auto& converterTasks = converter->tasks;
-    while (!converterTasks.empty()) {
-        const convert_task& task = converterTasks.front();
+    while (!converter->tasks.empty()) {
+        const convert_task& task = converter->tasks.front();
         auto ptr = std::make_shared<convert_task>(task);
         pool->enqueueJob(ptr);
-        converterTasks.pop();
+        converter->tasks.pop();
     }
     pool->setOnComplete([=]() {
         converter->write();
diff --git a/src/files/WorldFiles.cpp b/src/files/WorldFiles.cpp
index 31868e81..0d2f96c5 100644
--- a/src/files/WorldFiles.cpp
+++ b/src/files/WorldFiles.cpp
@@ -47,7 +47,8 @@ WorldFiles::WorldFiles(const fs::path& directory, const DebugSettings& settings)
     regions.doWriteLights = doWriteLights;
 }
 
-WorldFiles::~WorldFiles() = default;
+WorldFiles::~WorldFiles() {
+}
 
 void WorldFiles::createDirectories() {
     fs::create_directories(directory / fs::path("data"));
diff --git a/src/files/WorldRegions.cpp b/src/files/WorldRegions.cpp
index f6bf00b9..92feacda 100644
--- a/src/files/WorldRegions.cpp
+++ b/src/files/WorldRegions.cpp
@@ -56,7 +56,8 @@ WorldRegion::WorldRegion()
     sizes(std::make_unique<uint32_t[]>(REGION_CHUNKS_COUNT))
 {}
 
-WorldRegion::~WorldRegion() = default;
+WorldRegion::~WorldRegion() {
+}
 
 void WorldRegion::setUnsaved(bool unsaved) {
     this->unsaved = unsaved;
@@ -97,7 +98,8 @@ WorldRegions::WorldRegions(const fs::path& directory) : directory(directory) {
     layers[REGION_LAYER_ENTITIES].folder = directory/fs::path("entities");
 }
 
-WorldRegions::~WorldRegions() = default;
+WorldRegions::~WorldRegions() {
+}
 
 WorldRegion* WorldRegions::getRegion(int x, int z, int layer) {
     RegionsLayer& regions = layers[layer];
@@ -196,7 +198,7 @@ ubyte* WorldRegions::getData(int x, int z, int layer, uint32_t& size) {
     return nullptr;
 }
 
-regfile_ptr WorldRegions::useRegFile(const glm::ivec3& coord) {
+regfile_ptr WorldRegions::useRegFile(glm::ivec3 coord) {
     auto* file = openRegFiles[coord].get();
     file->inUse = true;
     return regfile_ptr(file, &regFilesCv);
@@ -208,7 +210,7 @@ void WorldRegions::closeRegFile(glm::ivec3 coord) {
 }
 
 // Marks regfile as used and unmarks when shared_ptr dies
-regfile_ptr WorldRegions::getRegFile(const glm::ivec3& coord, bool create) {
+regfile_ptr WorldRegions::getRegFile(glm::ivec3 coord, bool create) {
     {
         std::lock_guard lock(regFilesMutex);
         const auto found = openRegFiles.find(coord);
@@ -225,7 +227,7 @@ regfile_ptr WorldRegions::getRegFile(const glm::ivec3& coord, bool create) {
     return nullptr;
 }
 
-regfile_ptr WorldRegions::createRegFile(const glm::ivec3& coord) {
+regfile_ptr WorldRegions::createRegFile(glm::ivec3 coord) {
     fs::path file = layers[coord[2]].folder/getRegionFilename(coord[0], coord[1]);
     if (!fs::exists(file)) {
         return nullptr;
@@ -352,7 +354,7 @@ static std::unique_ptr<ubyte[]> write_inventories(Chunk* chunk, uint& datasize)
 }
 
 /// @brief Store chunk data (voxels and lights) in region (existing or new)
-void WorldRegions::put(Chunk* chunk, const std::vector<ubyte>& entitiesData){
+void WorldRegions::put(Chunk* chunk, std::vector<ubyte> entitiesData){
     assert(chunk != nullptr);
     if (!chunk->flags.lighted) {
         return;
diff --git a/src/files/WorldRegions.hpp b/src/files/WorldRegions.hpp
index 67c6bb9d..f681794d 100644
--- a/src/files/WorldRegions.hpp
+++ b/src/files/WorldRegions.hpp
@@ -149,10 +149,10 @@ class WorldRegions {
 
     ubyte* getData(int x, int z, int layer, uint32_t& size);
 
-    regfile_ptr getRegFile(const glm::ivec3& coord, bool create=true);
+    regfile_ptr getRegFile(glm::ivec3 coord, bool create=true);
     void closeRegFile(glm::ivec3 coord);
-    regfile_ptr useRegFile(const glm::ivec3& coord);
-    regfile_ptr createRegFile(const glm::ivec3& coord);
+    regfile_ptr useRegFile(glm::ivec3 coord);
+    regfile_ptr createRegFile(glm::ivec3 coord);
 
     fs::path getRegionFilename(int x, int y) const;
 
@@ -172,7 +172,7 @@ public:
     ~WorldRegions();
 
     /// @brief Put all chunk data to regions
-    void put(Chunk* chunk, const std::vector<ubyte>& entitiesData);
+    void put(Chunk* chunk, std::vector<ubyte> entitiesData);
 
     /// @brief Store data in specified region 
     /// @param x chunk.x
diff --git a/src/files/engine_paths.cpp b/src/files/engine_paths.cpp
index 00bc7670..c08d6bd2 100644
--- a/src/files/engine_paths.cpp
+++ b/src/files/engine_paths.cpp
@@ -214,7 +214,7 @@ std::vector<std::string> ResPaths::listdirRaw(const std::string& folderName) con
             continue;
         for (const auto& entry : fs::directory_iterator(folder)) {
             auto name = entry.path().filename().u8string();
-            entries.emplace_back(root.name+":"+folderName+"/"+name);
+            entries.push_back(root.name+":"+folderName+"/"+name);
         }
     }
     {
@@ -223,7 +223,7 @@ std::vector<std::string> ResPaths::listdirRaw(const std::string& folderName) con
             return entries;
         for (const auto& entry : fs::directory_iterator(folder)) {
             auto name = entry.path().filename().u8string();
-            entries.emplace_back("core:"+folderName+"/"+name);
+            entries.push_back("core:"+folderName+"/"+name);
         }
     }
     return entries;
diff --git a/src/files/files.cpp b/src/files/files.cpp
index 3c0a7fe4..4c4d4ffd 100644
--- a/src/files/files.cpp
+++ b/src/files/files.cpp
@@ -103,7 +103,7 @@ std::string files::read_string(const fs::path& filename) {
     return std::string((const char*)bytes.get(), size);
 }
 
-bool files::write_string(const fs::path& filename, const std::string& content) {
+bool files::write_string(const fs::path& filename, const std::string content) {
     std::ofstream file(filename);
     if (!file) {
         return false;
diff --git a/src/files/files.hpp b/src/files/files.hpp
index 5c3cd0b2..1a124b25 100644
--- a/src/files/files.hpp
+++ b/src/files/files.hpp
@@ -40,7 +40,7 @@ namespace files {
     uint append_bytes(const fs::path& file, const ubyte* data, size_t size);
 
     /// @brief Write string to the file
-    bool write_string(const fs::path& filename, const std::string& content);
+    bool write_string(const fs::path& filename, const std::string content);
 
     /// @brief Write dynamic data to the JSON file
     /// @param nice if true, human readable format will be used, otherwise minimal
diff --git a/src/frontend/ContentGfxCache.cpp b/src/frontend/ContentGfxCache.cpp
index 4de80069..b18492fd 100644
--- a/src/frontend/ContentGfxCache.cpp
+++ b/src/frontend/ContentGfxCache.cpp
@@ -38,7 +38,8 @@ ContentGfxCache::ContentGfxCache(const Content* content, Assets* assets) : conte
     }
 }
 
-ContentGfxCache::~ContentGfxCache() = default;
+ContentGfxCache::~ContentGfxCache() {
+}
 
 const Content* ContentGfxCache::getContent() const {
     return content;
diff --git a/src/frontend/LevelFrontend.cpp b/src/frontend/LevelFrontend.cpp
index e5cadff5..067b71a3 100644
--- a/src/frontend/LevelFrontend.cpp
+++ b/src/frontend/LevelFrontend.cpp
@@ -81,7 +81,8 @@ LevelFrontend::LevelFrontend(
     );
 }
 
-LevelFrontend::~LevelFrontend() = default;
+LevelFrontend::~LevelFrontend() {
+}
 
 Level* LevelFrontend::getLevel() const {
     return level;
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index 2983f1af..055ae314 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -314,7 +314,7 @@ void Hud::openInventory() {
 }
 
 void Hud::openInventory(
-    const glm::ivec3& block,
+    glm::ivec3 block, 
     UiDocument* doc, 
     std::shared_ptr<Inventory> blockinv, 
     bool playerInventory
@@ -406,9 +406,9 @@ void Hud::add(const HudElement& element) {
     using namespace dynamic;
 
     gui->add(element.getNode());
+    auto invview = std::dynamic_pointer_cast<InventoryView>(element.getNode());
     auto document = element.getDocument();
     if (document) {
-        auto invview = std::dynamic_pointer_cast<InventoryView>(element.getNode());
         auto inventory = invview ? invview->getInventory() : nullptr;
         std::vector<Value> args;
         args.emplace_back(inventory ? inventory.get()->getId() : 0);
diff --git a/src/frontend/hud.hpp b/src/frontend/hud.hpp
index e296d9ac..a2a778ed 100644
--- a/src/frontend/hud.hpp
+++ b/src/frontend/hud.hpp
@@ -140,12 +140,12 @@ public:
     /// @brief Show block inventory in inventory-mode
     /// @param block block position
     /// @param doc block ui layout
-    /// @param blockinv block inventory
+    /// @param blockInv block inventory
     /// @param playerInventory show player inventory too
     void openInventory(
-        const glm::ivec3& block,
+        glm::ivec3 block, 
         UiDocument* doc, 
-        std::shared_ptr<Inventory> blockinv,
+        std::shared_ptr<Inventory> blockInv, 
         bool playerInventory
     );
 
diff --git a/src/frontend/locale.cpp b/src/frontend/locale.cpp
index f4f08a26..e20b3059 100644
--- a/src/frontend/locale.cpp
+++ b/src/frontend/locale.cpp
@@ -146,7 +146,7 @@ void langs::load(const fs::path& resdir,
     if (locale != fallback) {
         load(resdir, locale, packs, *lang.get());
     }
-    current = std::move(lang);
+    current.reset(lang.release());
 }
 
 void langs::setup(const fs::path& resdir,
diff --git a/src/graphics/core/Atlas.cpp b/src/graphics/core/Atlas.cpp
index 6823757d..7d8f7a31 100644
--- a/src/graphics/core/Atlas.cpp
+++ b/src/graphics/core/Atlas.cpp
@@ -19,7 +19,8 @@ Atlas::Atlas(
     }
 }
 
-Atlas::~Atlas() = default;
+Atlas::~Atlas() {
+}
 
 void Atlas::prepare() {
     texture = Texture::from(image.get());
diff --git a/src/graphics/core/Atlas.hpp b/src/graphics/core/Atlas.hpp
index 827f6d0a..8e8a7b33 100644
--- a/src/graphics/core/Atlas.hpp
+++ b/src/graphics/core/Atlas.hpp
@@ -47,7 +47,7 @@ class AtlasBuilder {
     std::vector<atlasentry> entries;
     std::set<std::string> names;
 public:
-    AtlasBuilder() = default;
+    AtlasBuilder() {}
     void add(const std::string& name, std::unique_ptr<ImageData> image);
     bool has(const std::string& name) const;
     const std::set<std::string>& getNames() { return names; };
diff --git a/src/graphics/core/Batch2D.cpp b/src/graphics/core/Batch2D.cpp
index c3521b76..387fa4da 100644
--- a/src/graphics/core/Batch2D.cpp
+++ b/src/graphics/core/Batch2D.cpp
@@ -59,8 +59,8 @@ void Batch2D::vertex(
     buffer[index++] = a;
 }
 void Batch2D::vertex(
-    const glm::vec2& point,
-    const glm::vec2& uvpoint,
+    glm::vec2 point,
+    glm::vec2 uvpoint,
     float r, float g, float b, float a
 ) {
     buffer[index++] = point.x;
@@ -138,7 +138,7 @@ void Batch2D::rect(
     UVRegion region,
     bool flippedX,
     bool flippedY,
-    const glm::vec4& tint
+    glm::vec4 tint
 ) {
     if (index + 6*B2D_VERTEX_SIZE >= capacity) {
         flush();
@@ -322,13 +322,11 @@ void Batch2D::rect(
     vertex(v1, glm::vec2(0, 0), r2,g2,b2,1.0f);
 }
 
-void Batch2D::sprite(float x, float y, float w, float h, const UVRegion& region,
-    const glm::vec4& tint){
+void Batch2D::sprite(float x, float y, float w, float h, const UVRegion& region, glm::vec4 tint){
     rect(x, y, w, h, region.u1, region.v1, region.u2-region.u1, region.v2-region.v1, tint.r, tint.g, tint.b, tint.a);
 }
 
-void Batch2D::sprite(float x, float y, float w, float h, int atlasRes, int index,
-    const glm::vec4& tint){
+void Batch2D::sprite(float x, float y, float w, float h, int atlasRes, int index, glm::vec4 tint){
     float scale = 1.0f / (float)atlasRes;
     float u = (index % atlasRes) * scale;
     float v = 1.0f - ((index / atlasRes) * scale) - scale;
diff --git a/src/graphics/core/Batch2D.hpp b/src/graphics/core/Batch2D.hpp
index 1e72a65f..ed8f9f70 100644
--- a/src/graphics/core/Batch2D.hpp
+++ b/src/graphics/core/Batch2D.hpp
@@ -31,8 +31,8 @@ class Batch2D : public Flushable {
     );
     
     void vertex(
-        const glm::vec2& point,
-        const glm::vec2& uvpoint,
+        glm::vec2 point,
+        glm::vec2 uvpoint,
         float r, float g, float b, float a
     );
 
@@ -44,13 +44,11 @@ public:
     void texture(Texture* texture);
     void untexture();
     void setRegion(UVRegion region);
-    void sprite(float x, float y, float w, float h, const UVRegion& region,
-        const glm::vec4& tint);
-    void sprite(float x, float y, float w, float h, int atlasRes, int index,
-        const glm::vec4& tint);
+    void sprite(float x, float y, float w, float h, const UVRegion& region, glm::vec4 tint);
+    void sprite(float x, float y, float w, float h, int atlasRes, int index, glm::vec4 tint);
     void point(float x, float y, float r, float g, float b, float a);
     
-    inline void setColor(const glm::vec4& color) {
+    inline void setColor(glm::vec4 color) {
         this->color = color;
     }
     inline glm::vec4 getColor() const {
@@ -71,7 +69,7 @@ public:
         float ox, float oy,
         float angle, UVRegion region,
         bool flippedX, bool flippedY,
-        const glm::vec4& tint
+        glm::vec4 tint
     );
 
     void rect(float x, float y, float w, float h);
diff --git a/src/graphics/core/Batch3D.cpp b/src/graphics/core/Batch3D.cpp
index 979347c6..c25d6f0b 100644
--- a/src/graphics/core/Batch3D.cpp
+++ b/src/graphics/core/Batch3D.cpp
@@ -51,7 +51,7 @@ void Batch3D::vertex(
     buffer[index++] = a;
 }
 void Batch3D::vertex(
-    const glm::vec3& coord, float u, float v,
+    glm::vec3 coord, float u, float v,
     float r, float g, float b, float a
 ) {
     buffer[index++] = coord.x;
@@ -65,8 +65,8 @@ void Batch3D::vertex(
     buffer[index++] = a;
 }
 void Batch3D::vertex(
-    const glm::vec3& point,
-    const glm::vec2& uvpoint,
+    glm::vec3 point,
+    glm::vec2 uvpoint,
     float r, float g, float b, float a
 ) {
     buffer[index++] = point.x;
@@ -118,12 +118,12 @@ void Batch3D::texture(Texture* new_texture){
 }
 
 void Batch3D::sprite(
-    const glm::vec3& pos,
-    const glm::vec3& up,
-    const glm::vec3& right,
+    glm::vec3 pos, 
+    glm::vec3 up, 
+    glm::vec3 right, 
     float w, float h, 
-    const UVRegion& uv,
-    const glm::vec4& color
+    const UVRegion& uv, 
+    glm::vec4 color
 ){
     const float r = color.r;
     const float g = color.g;
@@ -245,11 +245,11 @@ void Batch3D::blockCube(
     cube((1.0f - size) * -0.5f, size, texfaces, tint, shading);
 }
 
-void Batch3D::point(const glm::vec3& coord, const glm::vec2& uv, const glm::vec4& tint) {
+void Batch3D::point(glm::vec3 coord, glm::vec2 uv, glm::vec4 tint) {
     vertex(coord, uv, tint.r, tint.g, tint.b, tint.a);
 }
 
-void Batch3D::point(const glm::vec3& coord, const glm::vec4& tint) {
+void Batch3D::point(glm::vec3 coord, glm::vec4 tint) {
     point(coord, glm::vec2(), tint);
 }
 
diff --git a/src/graphics/core/Batch3D.hpp b/src/graphics/core/Batch3D.hpp
index 93bd0b64..79b17697 100644
--- a/src/graphics/core/Batch3D.hpp
+++ b/src/graphics/core/Batch3D.hpp
@@ -27,13 +27,12 @@ class Batch3D : public Flushable {
         float r, float g, float b, float a
     );
     void vertex(
-        const glm::vec3& coord,
+        glm::vec3 coord,
         float u, float v,
         float r, float g, float b, float a
     );
     void vertex(
-        const glm::vec3& point,
-        const glm::vec2& uvpoint,
+        glm::vec3 point, glm::vec2 uvpoint,
         float r, float g, float b, float a
     );
     void face(
@@ -50,18 +49,12 @@ public:
 
     void begin();
     void texture(Texture* texture);
-    void sprite(
-        const glm::vec3& pos,
-        const glm::vec3& up,
-        const glm::vec3& right, float w, float h, const UVRegion& uv,
-        const glm::vec4& color
-    );
+    void sprite(glm::vec3 pos, glm::vec3 up, glm::vec3 right, float w, float h, const UVRegion& uv, glm::vec4 tint);
     void xSprite(float w, float h, const UVRegion& uv, const glm::vec4 tint, bool shading=true);
     void cube(const glm::vec3 coords, const glm::vec3 size, const UVRegion(&texfaces)[6], const glm::vec4 tint, bool shading=true);
     void blockCube(const glm::vec3 size, const UVRegion(&texfaces)[6], const glm::vec4 tint, bool shading=true);
-    void point(
-        const glm::vec3& coord, const glm::vec2& uv, const glm::vec4& tint);
-    void point(const glm::vec3& coord, const glm::vec4& tint);
+    void point(glm::vec3 pos, glm::vec2 uv, glm::vec4 tint);
+    void point(glm::vec3 pos, glm::vec4 tint);
     void flush() override;
     void flushPoints();
 };
diff --git a/src/graphics/core/DrawContext.cpp b/src/graphics/core/DrawContext.cpp
index 0f07db3d..68b31125 100644
--- a/src/graphics/core/DrawContext.cpp
+++ b/src/graphics/core/DrawContext.cpp
@@ -148,7 +148,7 @@ void DrawContext::setBlendMode(BlendMode mode) {
     set_blend_mode(mode);
 }
 
-void DrawContext::setScissors(const glm::vec4& area) {
+void DrawContext::setScissors(glm::vec4 area) {
     Window::pushScissor(area);
     scissorsCount++;
 }
diff --git a/src/graphics/core/DrawContext.hpp b/src/graphics/core/DrawContext.hpp
index ffe05a37..ea152f20 100644
--- a/src/graphics/core/DrawContext.hpp
+++ b/src/graphics/core/DrawContext.hpp
@@ -35,7 +35,7 @@ public:
     void setDepthTest(bool flag);
     void setCullFace(bool flag);
     void setBlendMode(BlendMode mode);
-    void setScissors(const glm::vec4& area);
+    void setScissors(glm::vec4 area);
     void setLineWidth(float width);
 };
 
diff --git a/src/graphics/core/Font.cpp b/src/graphics/core/Font.cpp
index ca94bd8b..14a05296 100644
--- a/src/graphics/core/Font.cpp
+++ b/src/graphics/core/Font.cpp
@@ -12,7 +12,8 @@ Font::Font(std::vector<std::unique_ptr<Texture>> pages, int lineHeight, int yoff
     : lineHeight(lineHeight), yoffset(yoffset), pages(std::move(pages)) {
 }
 
-Font::~Font() = default;
+Font::~Font(){
+}
 
 int Font::getYOffset() const {
     return yoffset;
diff --git a/src/graphics/core/ImageData.cpp b/src/graphics/core/ImageData.cpp
index ee40bafc..6499afb4 100644
--- a/src/graphics/core/ImageData.cpp
+++ b/src/graphics/core/ImageData.cpp
@@ -41,7 +41,8 @@ ImageData::ImageData(ImageFormat format, uint width, uint height, const ubyte* d
     std::memcpy(this->data.get(), data, width * height * pixsize);
 }
 
-ImageData::~ImageData() = default;
+ImageData::~ImageData() {
+}
 
 void ImageData::flipX() {
     switch (format) {
diff --git a/src/graphics/core/LineBatch.hpp b/src/graphics/core/LineBatch.hpp
index b3dc689a..a31b827d 100644
--- a/src/graphics/core/LineBatch.hpp
+++ b/src/graphics/core/LineBatch.hpp
@@ -18,7 +18,7 @@ public:
     LineBatch(size_t capacity=4096);
     ~LineBatch();
 
-    inline void line(const glm::vec3 &a, const glm::vec3 &b, const glm::vec4 &color) {
+    inline void line(const glm::vec3 a, const glm::vec3 b, const glm::vec4 color) {
         line(a.x, a.y, a.z, b.x, b.y, b.z, color.r, color.g, color.b, color.a); 
     }
     void line(float x1, float y1, float z1, float x2, float y2, float z2,
@@ -26,7 +26,7 @@ public:
     void box(float x, float y, float z, float w, float h, float d,
              float r, float g, float b, float a);
 
-    inline void box(const glm::vec3 &xyz, const glm::vec3 &whd, const glm::vec4 &rgba) {
+    inline void box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
         box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
             rgba.r, rgba.g, rgba.b, rgba.a);
     }
diff --git a/src/graphics/core/Model.cpp b/src/graphics/core/Model.cpp
index ee58fefc..78e15354 100644
--- a/src/graphics/core/Model.cpp
+++ b/src/graphics/core/Model.cpp
@@ -8,11 +8,7 @@ inline constexpr glm::vec3 X(1, 0, 0);
 inline constexpr glm::vec3 Y(0, 1, 0);
 inline constexpr glm::vec3 Z(0, 0, 1);
 
-void Mesh::addPlane(
-    const glm::vec3 &pos,
-    const glm::vec3 &right,
-    const glm::vec3 &up,
-    const glm::vec3 &norm) {
+void Mesh::addPlane(glm::vec3 pos, glm::vec3 right, glm::vec3 up, glm::vec3 norm) {
     vertices.push_back({pos-right-up, {0,0}, norm});
     vertices.push_back({pos+right-up, {1,0}, norm});
     vertices.push_back({pos+right+up, {1,1}, norm});
@@ -22,7 +18,7 @@ void Mesh::addPlane(
     vertices.push_back({pos-right+up, {0,1}, norm});
 }
 
-void Mesh::addBox(const glm::vec3 &pos, const glm::vec3 &size) {
+void Mesh::addBox(glm::vec3 pos, glm::vec3 size) {
     addPlane(pos+Z*size, X*size, Y*size, Z);
     addPlane(pos-Z*size, -X*size, Y*size, -Z);
 
diff --git a/src/graphics/core/Model.hpp b/src/graphics/core/Model.hpp
index e7cae9fd..03d00826 100644
--- a/src/graphics/core/Model.hpp
+++ b/src/graphics/core/Model.hpp
@@ -16,12 +16,8 @@ namespace model {
         std::string texture;
         std::vector<Vertex> vertices;
     
-        void addPlane(
-            const glm::vec3& pos,
-            const glm::vec3& right,
-            const glm::vec3& up,
-            const glm::vec3& norm);
-        void addBox(const glm::vec3& pos, const glm::vec3& size);
+        void addPlane(glm::vec3 pos, glm::vec3 right, glm::vec3 up, glm::vec3 norm);
+        void addBox(glm::vec3 pos, glm::vec3 size);
     };
 
     struct Model {
diff --git a/src/graphics/core/PostProcessing.cpp b/src/graphics/core/PostProcessing.cpp
index 7352c3b5..0498c5e7 100644
--- a/src/graphics/core/PostProcessing.cpp
+++ b/src/graphics/core/PostProcessing.cpp
@@ -18,7 +18,8 @@ PostProcessing::PostProcessing() {
     quadMesh = std::make_unique<Mesh>(vertices, 6, attrs);
 }
 
-PostProcessing::~PostProcessing() = default;
+PostProcessing::~PostProcessing() {
+}
 
 void PostProcessing::use(DrawContext& context) {
     const auto& vp = context.getViewport();
diff --git a/src/graphics/core/Shader.cpp b/src/graphics/core/Shader.cpp
index 5917e834..62d82ee3 100644
--- a/src/graphics/core/Shader.cpp
+++ b/src/graphics/core/Shader.cpp
@@ -32,7 +32,7 @@ uint Shader::getUniformLocation(const std::string& name) {
     auto found = uniformLocations.find(name);
     if (found == uniformLocations.end()) {
         uint location = glGetUniformLocation(id, name.c_str());
-        uniformLocations.try_emplace(name, location);
+        uniformLocations.emplace(name, location);
         return location;
     }
     return found->second;
@@ -54,11 +54,11 @@ void Shader::uniform2f(const std::string& name, float x, float y){
     glUniform2f(getUniformLocation(name), x, y);
 }
 
-void Shader::uniform2f(const std::string& name, const glm::vec2& xy){
+void Shader::uniform2f(const std::string& name, glm::vec2 xy){
     glUniform2f(getUniformLocation(name), xy.x, xy.y);
 }
 
-void Shader::uniform2i(const std::string& name, const glm::ivec2& xy){
+void Shader::uniform2i(const std::string& name, glm::ivec2 xy){
     glUniform2i(getUniformLocation(name), xy.x, xy.y);
 }
 
@@ -66,7 +66,7 @@ void Shader::uniform3f(const std::string& name, float x, float y, float z){
     glUniform3f(getUniformLocation(name), x,y,z);
 }
 
-void Shader::uniform3f(const std::string& name, const glm::vec3& xyz){
+void Shader::uniform3f(const std::string& name, glm::vec3 xyz){
     glUniform3f(getUniformLocation(name), xyz.x, xyz.y, xyz.z);
 }
 
diff --git a/src/graphics/core/Shader.hpp b/src/graphics/core/Shader.hpp
index 2f5d8b89..25d182a5 100644
--- a/src/graphics/core/Shader.hpp
+++ b/src/graphics/core/Shader.hpp
@@ -26,10 +26,10 @@ public:
     void uniform1i(const std::string& name, int x);
     void uniform1f(const std::string& name, float x);
     void uniform2f(const std::string& name, float x, float y);
-    void uniform2f(const std::string& name, const glm::vec2& xy);
-    void uniform2i(const std::string& name, const glm::ivec2& xy);
+    void uniform2f(const std::string& name, glm::vec2 xy);
+    void uniform2i(const std::string& name, glm::ivec2 xy);
     void uniform3f(const std::string& name, float x, float y, float z);
-    void uniform3f(const std::string& name, const glm::vec3& xyz);
+    void uniform3f(const std::string& name, glm::vec3 xyz);
 
     /// @brief Create shader program using vertex and fragment shaders source.
     /// @param vertexFile vertex shader file name
diff --git a/src/graphics/core/TextureAnimation.hpp b/src/graphics/core/TextureAnimation.hpp
index 839566bd..ac6eb3b7 100644
--- a/src/graphics/core/TextureAnimation.hpp
+++ b/src/graphics/core/TextureAnimation.hpp
@@ -22,7 +22,7 @@ struct Frame {
 class TextureAnimation {
 public:
     TextureAnimation(Texture* srcTex, Texture* dstTex) : srcTexture(srcTex), dstTexture(dstTex) {};
-    ~TextureAnimation() = default;
+    ~TextureAnimation() {};
 
     void addFrame(const Frame& frame) { frames.emplace_back(frame); };
 
diff --git a/src/graphics/render/BlocksPreview.cpp b/src/graphics/render/BlocksPreview.cpp
index 3f3cce33..fa62e318 100644
--- a/src/graphics/render/BlocksPreview.cpp
+++ b/src/graphics/render/BlocksPreview.cpp
@@ -50,10 +50,9 @@ std::unique_ptr<ImageData> BlocksPreview::draw(
                 }
                 offset = glm::vec3(1, 1, 0.0f);
                 shader->uniformMatrix("u_apply", glm::translate(glm::mat4(1.0f), offset));
-                glm::vec3 scaledSize = glm::vec3(size * 0.63f);
                 batch->cube(
-                    -hitbox * scaledSize * 0.5f * glm::vec3(1,1,-1),
-                    hitbox * scaledSize,
+                    -hitbox * glm::vec3(size * 0.63f)*0.5f * glm::vec3(1,1,-1),
+                    hitbox * glm::vec3(size * 0.63f), 
                     texfaces, glm::vec4(1.0f), 
                     !def->rt.emissive
                 );
diff --git a/src/graphics/render/ModelBatch.cpp b/src/graphics/render/ModelBatch.cpp
index fd9d24c5..c5130402 100644
--- a/src/graphics/render/ModelBatch.cpp
+++ b/src/graphics/render/ModelBatch.cpp
@@ -35,7 +35,7 @@ struct DecomposedMat4 {
     glm::vec4 perspective;
 };
 
-static glm::mat4 extract_rotation(const glm::mat4& matrix) {
+static glm::mat4 extract_rotation(glm::mat4 matrix) {
     DecomposedMat4 decomposed = {};
     glm::quat rotation;
     glm::decompose(
@@ -64,12 +64,11 @@ ModelBatch::ModelBatch(size_t capacity, Assets* assets, Chunks* chunks)
     blank = Texture::from(&image);
 }
 
-ModelBatch::~ModelBatch() = default;
+ModelBatch::~ModelBatch() {
+}
 
-void ModelBatch::draw(const model::Mesh& mesh,
-                      const glm::mat4& matrix,
-                      const glm::mat3& rotation,
-                      const glm::vec3& tint,
+void ModelBatch::draw(const model::Mesh& mesh, const glm::mat4& matrix, 
+                      const glm::mat3& rotation, glm::vec3 tint,
                       const texture_names_map* varTextures) {
     glm::vec3 gpos = matrix * glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
     light_t light = chunks->getLight(floor(gpos.x), floor(gpos.y), floor(gpos.z));
@@ -96,9 +95,8 @@ void ModelBatch::draw(const model::Mesh& mesh,
     }
 }
 
-void ModelBatch::draw(
-                      const glm::mat4& matrix,
-                      const glm::vec3& tint,
+void ModelBatch::draw(glm::mat4 matrix,
+                      glm::vec3 tint,
                       const model::Model* model,
                       const texture_names_map* varTextures) {
     for (const auto& mesh : model->meshes) {
diff --git a/src/graphics/render/ModelBatch.hpp b/src/graphics/render/ModelBatch.hpp
index c34f9369..69608ddc 100644
--- a/src/graphics/render/ModelBatch.hpp
+++ b/src/graphics/render/ModelBatch.hpp
@@ -37,10 +37,7 @@ class ModelBatch {
     static inline glm::vec3 SUN_VECTOR {0.411934f, 0.863868f, -0.279161f};
 
     inline void vertex(
-        const glm::vec3& pos,
-        const glm::vec2& uv,
-        const glm::vec4& light,
-        const glm::vec3& tint
+        glm::vec3 pos, glm::vec2 uv, glm::vec4 light, glm::vec3 tint
     ) {
         float* buffer = this->buffer.get();
         buffer[index++] = pos.x;
@@ -67,8 +64,8 @@ class ModelBatch {
 
     void draw(const model::Mesh& mesh, 
               const glm::mat4& matrix, 
-              const glm::mat3& rotation,
-        const glm::vec3& tint,
+              const glm::mat3& rotation, 
+              glm::vec3 tint,
               const texture_names_map* varTextures);
     void setTexture(const std::string& name,
                     const texture_names_map* varTextures);
@@ -87,9 +84,8 @@ public:
     ModelBatch(size_t capacity, Assets* assets, Chunks* chunks);
     ~ModelBatch();
 
-    void draw(
-        const glm::mat4& matrix,
-        const glm::vec3& tint,
+    void draw(glm::mat4 matrix,
+              glm::vec3 tint,
               const model::Model* model,
               const texture_names_map* varTextures);
     void render();
diff --git a/src/graphics/render/Skybox.cpp b/src/graphics/render/Skybox.cpp
index 029f0b8b..49310609 100644
--- a/src/graphics/render/Skybox.cpp
+++ b/src/graphics/render/Skybox.cpp
@@ -55,7 +55,8 @@ Skybox::Skybox(uint size, Shader* shader)
     });
 }
 
-Skybox::~Skybox() = default;
+Skybox::~Skybox() {
+}
 
 void Skybox::drawBackground(Camera* camera, Assets* assets, int width, int height) {
     auto backShader = assets->get<Shader>("background");
diff --git a/src/graphics/render/WorldRenderer.cpp b/src/graphics/render/WorldRenderer.cpp
index 64212271..73a10047 100644
--- a/src/graphics/render/WorldRenderer.cpp
+++ b/src/graphics/render/WorldRenderer.cpp
@@ -75,7 +75,8 @@ WorldRenderer::WorldRenderer(Engine* engine, LevelFrontend* frontend, Player* pl
     );
 }
 
-WorldRenderer::~WorldRenderer() = default;
+WorldRenderer::~WorldRenderer() {
+}
 
 bool WorldRenderer::drawChunk(
     size_t index,
@@ -230,29 +231,26 @@ void WorldRenderer::renderBlockSelection() {
         : block->hitboxes;
 
     lineBatch->lineWidth(2.0f);
-    constexpr auto boxOffset = glm::vec3(0.02);
-    constexpr auto boxColor = glm::vec4(0.f, 0.f, 0.f, 0.5f);
     for (auto& hitbox: hitboxes) {
         const glm::vec3 center = glm::vec3(pos) + hitbox.center();
         const glm::vec3 size = hitbox.size();
-        lineBatch->box(center, size + boxOffset, boxColor);
+        lineBatch->box(center, size + glm::vec3(0.02), glm::vec4(0.f, 0.f, 0.f, 0.5f));
         if (player->debug) {
             lineBatch->line(point, point+norm*0.5f, glm::vec4(1.0f, 0.0f, 1.0f, 1.0f));
         }
     }
-    lineBatch->flush();
 }
 
 void WorldRenderer::renderLines(
     Camera* camera, Shader* linesShader, const DrawContext& pctx
 ) {
+    auto ctx = pctx.sub(lineBatch.get());
     linesShader->use();
     linesShader->uniformMatrix("u_projview", camera->getProjView());
     if (player->selection.vox.id != BLOCK_VOID) {
         renderBlockSelection();
     }
     if (player->debug && showEntitiesDebug) {
-        auto ctx = pctx.sub(lineBatch.get());
         level->entities->renderDebug(*lineBatch, *frustumCulling, ctx);
     }
 }
@@ -343,12 +341,12 @@ void WorldRenderer::draw(
             ctx.setDepthTest(true);
             ctx.setCullFace(true);
             renderLevel(ctx, camera, settings, delta, pause);
-
+            // Debug lines
             if (hudVisible){
                 renderLines(camera, linesShader, ctx);
             }
         }
-        // Debug lines
+
         if (hudVisible && player->debug) {
             renderDebugLines(wctx, camera, linesShader);
         }
diff --git a/src/graphics/ui/GUI.cpp b/src/graphics/ui/GUI.cpp
index 40ae9bf5..13f32a38 100644
--- a/src/graphics/ui/GUI.cpp
+++ b/src/graphics/ui/GUI.cpp
@@ -44,7 +44,8 @@ GUI::GUI() {
     container->add(tooltip);
 }
 
-GUI::~GUI() = default;
+GUI::~GUI() {
+}
 
 std::shared_ptr<Menu> GUI::getMenu() {
     return menu;
diff --git a/src/graphics/ui/elements/InventoryView.cpp b/src/graphics/ui/elements/InventoryView.cpp
index 8ae93eab..de121327 100644
--- a/src/graphics/ui/elements/InventoryView.cpp
+++ b/src/graphics/ui/elements/InventoryView.cpp
@@ -52,7 +52,7 @@ InventoryBuilder::InventoryBuilder() {
 
 void InventoryBuilder::addGrid(
     int cols, int count, 
-    const glm::vec2 &pos,
+    glm::vec2 pos, 
     int padding,
     bool addpanel,
     const SlotLayout& slotLayout
@@ -126,7 +126,7 @@ void SlotView::draw(const DrawContext* pctx, Assets* assets) {
                 langs::get(util::str2wstr_utf8(def->caption))
             );
         } else {
-            tooltip.clear();
+            tooltip = L"";
         }
     }
     prevItem = itemid;
@@ -381,7 +381,7 @@ void InventoryView::setPos(glm::vec2 pos) {
     Container::setPos(pos - origin);
 }
 
-void InventoryView::setOrigin(const glm::vec2 &origin) {
+void InventoryView::setOrigin(glm::vec2 origin) {
     this->origin = origin;
 }
 
diff --git a/src/graphics/ui/elements/InventoryView.hpp b/src/graphics/ui/elements/InventoryView.hpp
index 9aafd51b..476b4d99 100644
--- a/src/graphics/ui/elements/InventoryView.hpp
+++ b/src/graphics/ui/elements/InventoryView.hpp
@@ -93,7 +93,7 @@ namespace gui {
 
         virtual void setPos(glm::vec2 pos) override;
 
-        void setOrigin(const glm::vec2 &origin);
+        void setOrigin(glm::vec2 origin);
         glm::vec2 getOrigin() const;
 
         void setSelected(int index);
@@ -130,7 +130,7 @@ namespace gui {
         /// @param slotLayout slot settings (index and position are ignored)
         void addGrid(
             int cols, int count, 
-            const glm::vec2 &pos,
+            glm::vec2 pos, 
             int padding,
             bool addpanel,
             const SlotLayout& slotLayout
diff --git a/src/graphics/ui/elements/Label.cpp b/src/graphics/ui/elements/Label.cpp
index e2fd44db..ac31e2a9 100644
--- a/src/graphics/ui/elements/Label.cpp
+++ b/src/graphics/ui/elements/Label.cpp
@@ -145,7 +145,7 @@ uint Label::getLineByYOffset(int offset) const {
 
 uint Label::getLineByTextIndex(size_t index) const {
     for (size_t i = 0; i < cache.lines.size(); i++) {
-        if (cache.lines[i].offset > index) {
+        if (cache.lines.at(i).offset > index) {
             return i-1;
         }
     }
@@ -195,7 +195,7 @@ void Label::draw(const DrawContext* pctx, Assets* assets) {
 
     if (multiline) {
         for (size_t i = 0; i < cache.lines.size(); i++) {
-            auto& line = cache.lines[i];
+            auto& line = cache.lines.at(i);
             size_t offset = line.offset;
             std::wstring_view view(text.c_str()+offset, text.length()-offset);
             if (i < cache.lines.size()-1) {
diff --git a/src/graphics/ui/gui_xml.cpp b/src/graphics/ui/gui_xml.cpp
index 7b0bd0d5..297ee4ac 100644
--- a/src/graphics/ui/gui_xml.cpp
+++ b/src/graphics/ui/gui_xml.cpp
@@ -203,7 +203,7 @@ static void _readPanel(UiXmlReader& reader, const xml::xmlelement& element, Pane
         panel.setMaxLength(element->attr("max-length").asInt());
     }
     if (element->has("orientation")) {
-        const auto &oname = element->attr("orientation").getText();
+        auto oname = element->attr("orientation").getText();
         if (oname == "horizontal") {
             panel.setOrientation(Orientation::horizontal);
         }
@@ -286,7 +286,7 @@ static std::shared_ptr<UINode> readButton(UiXmlReader& reader, const xml::xmlele
 
     std::shared_ptr<Button> button;
     auto& elements = element->getElements();
-    if (!elements.empty() && elements[0]->getTag() != "#") {
+    if (!elements.empty() && elements.at(0)->getTag() != "#") {
         auto inner = reader.readUINode(element->getElements().at(0));
         if (inner != nullptr) {
             button = std::make_shared<Button>(inner, padding);
diff --git a/src/items/Inventories.cpp b/src/items/Inventories.cpp
index d14dcb0a..65e93535 100644
--- a/src/items/Inventories.cpp
+++ b/src/items/Inventories.cpp
@@ -8,7 +8,8 @@
 Inventories::Inventories(Level& level) : level(level) {
 }
 
-Inventories::~Inventories() = default;
+Inventories::~Inventories() {
+}
 
 std::shared_ptr<Inventory> Inventories::create(size_t size) {
     int64_t id = level.getWorld()->getNextInventoryId();
diff --git a/src/items/ItemDef.hpp b/src/items/ItemDef.hpp
index 319860e1..12100fb3 100644
--- a/src/items/ItemDef.hpp
+++ b/src/items/ItemDef.hpp
@@ -38,8 +38,8 @@ struct ItemDef {
 
     struct {
         itemid_t id;
-        blockid_t placingBlock;
         item_funcs_set funcsset {};
+        blockid_t placingBlock;
         bool emissive = false;
     } rt {};
 
diff --git a/src/lighting/Lighting.cpp b/src/lighting/Lighting.cpp
index 1236d7dd..6d2d5cc4 100644
--- a/src/lighting/Lighting.cpp
+++ b/src/lighting/Lighting.cpp
@@ -20,7 +20,8 @@ Lighting::Lighting(const Content* content, Chunks* chunks)
     solverS = std::make_unique<LightSolver>(indices, chunks, 3);
 }
 
-Lighting::~Lighting() = default;
+Lighting::~Lighting(){
+}
 
 void Lighting::clear(){
     for (size_t index = 0; index < chunks->volume; index++){
diff --git a/src/logic/ChunksController.cpp b/src/logic/ChunksController.cpp
index c8ba37fe..f4c9aea7 100644
--- a/src/logic/ChunksController.cpp
+++ b/src/logic/ChunksController.cpp
@@ -30,7 +30,8 @@ ChunksController::ChunksController(Level* level, uint padding)
     generator(WorldGenerators::createGenerator(level->getWorld()->getGenerator(), level->content)) {
 }
 
-ChunksController::~ChunksController() = default;
+ChunksController::~ChunksController(){
+}
 
 void ChunksController::update(int64_t maxDuration) {
     int64_t mcstotal = 0;
@@ -112,22 +113,21 @@ bool ChunksController::buildLights(const std::shared_ptr<Chunk>& chunk) {
 void ChunksController::createChunk(int x, int z) {
     auto chunk = level->chunksStorage->create(x, z);
     chunks->putChunk(chunk);
-    auto& chunkFlags = chunk->flags;
 
-    if (!chunkFlags.loaded) {
+    if (!chunk->flags.loaded) {
         generator->generate(
             chunk->voxels, x, z, 
             level->getWorld()->getSeed()
         );
-        chunkFlags.unsaved = true;
+        chunk->flags.unsaved = true;
     }
     chunk->updateHeights();
 
-    if (!chunkFlags.loadedLights) {
+    if (!chunk->flags.loadedLights) {
         Lighting::prebuildSkyLight(
             chunk.get(), level->content->getIndices()
         );
     }
-    chunkFlags.loaded = true;
-    chunkFlags.ready = true;
+    chunk->flags.loaded = true;
+    chunk->flags.ready = true;
 }
diff --git a/src/logic/CommandsInterpreter.cpp b/src/logic/CommandsInterpreter.cpp
index b93dbbac..85a082e7 100644
--- a/src/logic/CommandsInterpreter.cpp
+++ b/src/logic/CommandsInterpreter.cpp
@@ -255,8 +255,8 @@ public:
     }
 
     dynamic::Value applyRelative(
-        Argument* arg,
-        const dynamic::Value& value,
+        Argument* arg, 
+        dynamic::Value value,
         const dynamic::Value& origin
     ) {
         if (origin.index() == 0) {
diff --git a/src/logic/CommandsInterpreter.hpp b/src/logic/CommandsInterpreter.hpp
index f9295978..7d7d8508 100644
--- a/src/logic/CommandsInterpreter.hpp
+++ b/src/logic/CommandsInterpreter.hpp
@@ -55,7 +55,7 @@ namespace cmd {
         std::string description;
         executor_func executor;
     public:
-        Command() = default;
+        Command() {}
 
         Command(
             std::string name,
diff --git a/src/logic/LevelController.cpp b/src/logic/LevelController.cpp
index 053eb15e..ffb53590 100644
--- a/src/logic/LevelController.cpp
+++ b/src/logic/LevelController.cpp
@@ -47,12 +47,11 @@ void LevelController::update(float delta, bool input, bool pause) {
     player->postUpdate(delta, input, pause);
 
     // erease null pointers
-    auto& objects = level->objects;
-    objects.erase(
+    level->objects.erase(
         std::remove_if(
-            objects.begin(), objects.end(),
+            level->objects.begin(), level->objects.end(),
             [](auto obj) { return obj == nullptr; }),
-        objects.end()
+        level->objects.end()
     );
 }
 
diff --git a/src/logic/PlayerController.cpp b/src/logic/PlayerController.cpp
index dec48579..ba1f1069 100644
--- a/src/logic/PlayerController.cpp
+++ b/src/logic/PlayerController.cpp
@@ -105,7 +105,7 @@ glm::vec3 CameraControl::updateCameraShaking(const Hitbox& hitbox, float delta)
 }
 
 void CameraControl::updateFovEffects(const Hitbox& hitbox, 
-                                     PlayerInput input, float delta) {
+                                     const PlayerInput& input, float delta) {
     bool crouch = input.shift && hitbox.grounded && !input.sprint;
 
     float dt = fmin(1.0f, delta * ZOOM_SPEED);
@@ -146,7 +146,7 @@ void CameraControl::switchCamera() {
     }
 }
 
-void CameraControl::update(PlayerInput input, float delta, Chunks* chunks) {
+void CameraControl::update(const PlayerInput& input, float delta, Chunks* chunks) {
     offset = glm::vec3(0.0f, 0.0f, 0.0f);
 
     if (auto hitbox = player->getHitbox()) {
@@ -455,7 +455,7 @@ void PlayerController::updateEntityInteraction(entityid_t eid, bool lclick, bool
     if (!entityOpt.has_value()) {
         return;
     }
-    auto entity = *entityOpt;
+    auto entity = entityOpt.value();
     if (lclick) {
         scripting::on_attacked(entity, player.get(), player->getEntity());
     }
diff --git a/src/logic/PlayerController.hpp b/src/logic/PlayerController.hpp
index c90d1408..79363f61 100644
--- a/src/logic/PlayerController.hpp
+++ b/src/logic/PlayerController.hpp
@@ -32,7 +32,7 @@ class CameraControl {
     /// @brief Update field-of-view effects
     /// @param input player inputs
     /// @param delta delta time
-    void updateFovEffects(const Hitbox& hitbox, PlayerInput input,
+    void updateFovEffects(const Hitbox& hitbox, const PlayerInput& input,
                           float delta);
 
     /// @brief Switch active player camera
@@ -41,7 +41,7 @@ public:
     CameraControl(const std::shared_ptr<Player>& player,
                   const CameraSettings& settings);
     void updateMouse(PlayerInput& input);
-    void update(PlayerInput input, float delta, Chunks* chunks);
+    void update(const PlayerInput& input, float delta, Chunks* chunks);
     void refresh();
 };
 
diff --git a/src/logic/scripting/lua/libconsole.cpp b/src/logic/scripting/lua/libconsole.cpp
index 13f33e26..7c465a48 100644
--- a/src/logic/scripting/lua/libconsole.cpp
+++ b/src/logic/scripting/lua/libconsole.cpp
@@ -75,7 +75,7 @@ static int l_get_command_info(lua::State* L) {
     
     lua::createtable(L, args.size(), 0);
     for (size_t i = 0; i < args.size(); i++) {
-        auto& arg = args[i];
+        auto& arg = args.at(i);
         lua::createtable(L, 0, 2);
         
         lua::pushstring(L, arg.name);
diff --git a/src/logic/scripting/lua/libgui.cpp b/src/logic/scripting/lua/libgui.cpp
index 1829df06..7ae64d86 100644
--- a/src/logic/scripting/lua/libgui.cpp
+++ b/src/logic/scripting/lua/libgui.cpp
@@ -324,6 +324,8 @@ static int l_gui_getattr(lua::State* L) {
     auto docname = lua::require_string(L, 1);
     auto element = lua::require_string(L, 2);
     auto attr = lua::require_string(L, 3);
+    auto docnode = getDocumentNode(L, docname, element);
+    auto node = docnode.node;
 
     static const std::unordered_map<std::string_view, std::function<int(UINode*,lua::State*)>> getters {
         {"color", p_get_color},
@@ -365,8 +367,6 @@ static int l_gui_getattr(lua::State* L) {
     };
     auto func = getters.find(attr);
     if (func != getters.end()) {
-        auto docnode = getDocumentNode(L, docname, element);
-        auto node = docnode.node;
         return func->second(node.get(), L);
     }
     return 0;
diff --git a/src/logic/scripting/lua/libpack.cpp b/src/logic/scripting/lua/libpack.cpp
index f441e79f..0c1805a0 100644
--- a/src/logic/scripting/lua/libpack.cpp
+++ b/src/logic/scripting/lua/libpack.cpp
@@ -95,7 +95,7 @@ static int l_pack_get_info(lua::State* L, const ContentPack& pack, const Content
     if (!pack.dependencies.empty()) {
         lua::createtable(L, pack.dependencies.size(), 0);
         for (size_t i = 0; i < pack.dependencies.size(); i++) {
-            auto& dpack = pack.dependencies[i];
+            auto& dpack = pack.dependencies.at(i);
             std::string prefix;
             switch (dpack.level) {
                 case DependencyLevel::required: prefix = "!"; break;
@@ -142,7 +142,7 @@ static int l_pack_get_info(lua::State* L) {
         manager.scan();
         auto vec = manager.getAll({packid});
         if (!vec.empty()) {
-            return l_pack_get_info(L, vec[0], content);
+            return l_pack_get_info(L, vec.at(0), content);
         }
         return 0;
     }
diff --git a/src/logic/scripting/lua/lua_util.hpp b/src/logic/scripting/lua/lua_util.hpp
index 7bfb8fea..973dfc30 100644
--- a/src/logic/scripting/lua/lua_util.hpp
+++ b/src/logic/scripting/lua/lua_util.hpp
@@ -151,20 +151,20 @@ namespace lua {
         return 3;
     }
 
-    inline int pushivec3_stack(lua::State* L, const glm::ivec3 &vec) {
+    inline int pushivec3_stack(lua::State* L, glm::ivec3 vec) {
         pushinteger(L, vec.x);
         pushinteger(L, vec.y);
         pushinteger(L, vec.z);
         return 3;
     }
 
-    inline int pushvec3_stack(lua::State* L, const glm::vec3 &vec) {
+    inline int pushvec3_stack(lua::State* L, glm::vec3 vec) {
         pushnumber(L, vec.x);
         pushnumber(L, vec.y);
         pushnumber(L, vec.z);
         return 3;
     }
-    inline int pushvec4_stack(lua::State* L, const glm::vec4 &vec) {
+    inline int pushvec4_stack(lua::State* L, glm::vec4 vec) {
         pushnumber(L, vec.x);
         pushnumber(L, vec.y);
         pushnumber(L, vec.z);
@@ -179,15 +179,15 @@ namespace lua {
         lua_pushvalue(L, idx);
         return 1;
     }
-    inline int pushvec2(lua::State* L, const glm::vec2 &vec) {
+    inline int pushvec2(lua::State* L, glm::vec2 vec) {
         return pushvec(L, vec);
     }
 
-    inline int pushvec3(lua::State* L, const glm::vec3 &vec) {
+    inline int pushvec3(lua::State* L, glm::vec3 vec) {
         return pushvec(L, vec);
     }
 
-    inline int pushvec4(lua::State* L, const glm::vec4 &vec) {
+    inline int pushvec4(lua::State* L, glm::vec4 vec) {
         return pushvec(L, vec);
     }
     inline int pushcolor(lua::State* L, glm::vec4 vec) {
@@ -210,7 +210,7 @@ namespace lua {
         }
         return 1;
     }
-    inline int pushmat4(lua::State* L, const glm::mat4 &matrix) {
+    inline int pushmat4(lua::State* L, glm::mat4 matrix) {
         createtable(L, 16, 0);
         for (uint y = 0; y < 4; y++) {
             for (uint x = 0; x < 4; x++) {
@@ -222,7 +222,7 @@ namespace lua {
         return 1;
     }
     /// @brief pushes matrix table to the stack and updates it with glm matrix 
-    inline int setmat4(lua::State* L, int idx, const glm::mat4 &matrix) {
+    inline int setmat4(lua::State* L, int idx, glm::mat4 matrix) {
         pushvalue(L, idx);
         for (uint y = 0; y < 4; y++) {
             for (uint x = 0; x < 4; x++) {
diff --git a/src/logic/scripting/scripting.cpp b/src/logic/scripting/scripting.cpp
index 681cf3fa..cb248f72 100644
--- a/src/logic/scripting/scripting.cpp
+++ b/src/logic/scripting/scripting.cpp
@@ -240,8 +240,8 @@ void scripting::on_block_placed(Player* player, const Block* block, int x, int y
 }
 
 void scripting::on_block_broken(Player* player, const Block* block, int x, int y, int z) {
+    std::string name = block->name + ".broken";
     if (block->rt.funcsset.onbroken) {
-        std::string name = block->name + ".broken";
         lua::emit_event(lua::get_main_thread(), name, [x, y, z, player] (auto L) {
             lua::pushivec3_stack(L, x, y, z);
             lua::pushinteger(L, player ? player->getId() : -1);
diff --git a/src/logic/scripting/scripting_functional.cpp b/src/logic/scripting/scripting_functional.cpp
index 557ece1d..b3ad82af 100644
--- a/src/logic/scripting/scripting_functional.cpp
+++ b/src/logic/scripting/scripting_functional.cpp
@@ -66,7 +66,7 @@ wstringsupplier scripting::create_wstring_supplier(
             auto str = lua::require_wstring(L, -1); lua::pop(L);
             return str;
         }
-        return std::wstring();
+        return std::wstring(L"");
     };
 }
 
diff --git a/src/maths/FrustumCulling.hpp b/src/maths/FrustumCulling.hpp
index 1f3f3e67..f8372c14 100644
--- a/src/maths/FrustumCulling.hpp
+++ b/src/maths/FrustumCulling.hpp
@@ -5,7 +5,7 @@
 
 class Frustum {
 public:
-    Frustum() = default;
+    Frustum() {};
 
     void update(glm::mat4 projview);
     bool isBoxVisible(const glm::vec3& minp, const glm::vec3& maxp) const;
diff --git a/src/maths/aabb.hpp b/src/maths/aabb.hpp
index 57679394..1a86338c 100644
--- a/src/maths/aabb.hpp
+++ b/src/maths/aabb.hpp
@@ -70,7 +70,7 @@ struct AABB {
         b = end;
     }
 
-    inline void addPoint(const glm::vec3& p) {
+    inline void addPoint(glm::vec3 p) {
         a = glm::min(a, p);
         b = glm::max(b, p);
     }
diff --git a/src/maths/rays.hpp b/src/maths/rays.hpp
index 339c109b..d781881e 100644
--- a/src/maths/rays.hpp
+++ b/src/maths/rays.hpp
@@ -21,7 +21,7 @@ class AABBFaces {
 public:
     std::array<std::pair<rayvec3, rayvec2>, AABBFACES_COUNT> faces; // every face is min-point and opposite corner point
 
-    AABBFaces() = default;
+    AABBFaces(){};
     AABBFaces(const rayvec3& parentBoxPos, const AABB& parentBox);
 };
 
diff --git a/src/objects/Entities.cpp b/src/objects/Entities.cpp
index bd4b664e..b7042d8a 100644
--- a/src/objects/Entities.cpp
+++ b/src/objects/Entities.cpp
@@ -186,7 +186,7 @@ void Entities::loadEntity(const dynamic::Map_sptr& map) {
     spawn(def, {}, nullptr, map, uid);
 }
 
-void Entities::loadEntity(const dynamic::Map_sptr& map, const Entity &entity) {
+void Entities::loadEntity(const dynamic::Map_sptr& map, Entity entity) {
     auto& transform = entity.getTransform();
     auto& body = entity.getRigidbody();
     auto& skeleton = entity.getSkeleton();
@@ -228,7 +228,7 @@ void Entities::loadEntity(const dynamic::Map_sptr& map, const Entity &entity) {
 }
 
 std::optional<Entities::RaycastResult> Entities::rayCast(
-    const glm::vec3 &start, const glm::vec3 &dir, float maxDistance, entityid_t ignore
+    glm::vec3 start, glm::vec3 dir, float maxDistance, entityid_t ignore
 ) {
     Ray ray(start, dir);
     auto view = registry.view<EntityId, Transform, Rigidbody>();
@@ -547,7 +547,7 @@ bool Entities::hasBlockingInside(AABB aabb) {
     return false;
 }
 
-std::vector<Entity> Entities::getAllInside(const AABB &aabb) {
+std::vector<Entity> Entities::getAllInside(AABB aabb) {
     std::vector<Entity> collected;
     auto view = registry.view<Transform>();
     for (auto [entity, transform] : view.each()) {
@@ -564,7 +564,7 @@ std::vector<Entity> Entities::getAllInside(const AABB &aabb) {
     return collected;
 }
 
-std::vector<Entity> Entities::getAllInRadius(const glm::vec3 &center, float radius) {
+std::vector<Entity> Entities::getAllInRadius(glm::vec3 center, float radius) {
     std::vector<Entity> collected;
     auto view = registry.view<Transform>();
     for (auto [entity, transform] : view.each()) {
diff --git a/src/objects/Entities.hpp b/src/objects/Entities.hpp
index e6d55cee..65bad419 100644
--- a/src/objects/Entities.hpp
+++ b/src/objects/Entities.hpp
@@ -49,19 +49,19 @@ struct Transform {
 
     void refresh();
     
-    inline void setRot(const glm::mat3 &m) {
+    inline void setRot(glm::mat3 m) {
         rot = m;
         dirty = true;
     }
 
-    inline void setSize(const glm::vec3 &v) {
+    inline void setSize(glm::vec3 v) {
         if (glm::distance2(displaySize, v) >= 0.00001f) {
             dirty = true;
         }
         size = v;
     }
 
-    inline void setPos(const glm::vec3 &v) {
+    inline void setPos(glm::vec3 v) {
         if (glm::distance2(displayPos, v) >= 0.0001f) {
             dirty = true;
         }
@@ -212,15 +212,15 @@ public:
     /// @param ignore Ignored entity ID
     /// @return An optional structure containing entity, normal and distance
     std::optional<RaycastResult> rayCast(
-        const glm::vec3 &start, const glm::vec3 &dir, float maxDistance, entityid_t ignore=-1);
+        glm::vec3 start, glm::vec3 dir, float maxDistance, entityid_t ignore=-1);
 
     void loadEntities(dynamic::Map_sptr map);
     void loadEntity(const dynamic::Map_sptr& map);
-    void loadEntity(const dynamic::Map_sptr& map, const Entity &entity);
+    void loadEntity(const dynamic::Map_sptr& map, Entity entity);
     void onSave(const Entity& entity);
     bool hasBlockingInside(AABB aabb);
-    std::vector<Entity> getAllInside(const AABB &aabb);
-    std::vector<Entity> getAllInRadius(const glm::vec3 &center, float radius);
+    std::vector<Entity> getAllInside(AABB aabb);
+    std::vector<Entity> getAllInRadius(glm::vec3 center, float radius);
     void despawn(entityid_t id);
     dynamic::Value serialize(const Entity& entity);
 
diff --git a/src/objects/Player.cpp b/src/objects/Player.cpp
index de71f6e0..ac924b7e 100644
--- a/src/objects/Player.cpp
+++ b/src/objects/Player.cpp
@@ -169,7 +169,7 @@ void Player::postUpdate() {
         glm::mat4(1.0f), glm::radians(cam.y), glm::vec3(1, 0, 0));
 }
 
-void Player::teleport(const glm::vec3 &position) {
+void Player::teleport(glm::vec3 position) {
     this->position = position;
     if (auto hitbox = getHitbox()) {
         hitbox->position = position;
@@ -239,7 +239,7 @@ std::shared_ptr<Inventory> Player::getInventory() const {
     return inventory;
 }
 
-void Player::setSpawnPoint(const glm::vec3 &spawnpoint) {
+void Player::setSpawnPoint(glm::vec3 spawnpoint) {
     this->spawnpoint = spawnpoint;
 }
 
diff --git a/src/objects/Player.hpp b/src/objects/Player.hpp
index 0db3e971..7fa62c5a 100644
--- a/src/objects/Player.hpp
+++ b/src/objects/Player.hpp
@@ -64,7 +64,7 @@ public:
            std::shared_ptr<Inventory> inv, entityid_t eid);
     ~Player();
 
-    void teleport(const glm::vec3 &position);
+    void teleport(glm::vec3 position);
     void updateEntity();
     void updateInput(PlayerInput& input, float delta);
     void updateSelectedEntity();
@@ -96,7 +96,7 @@ public:
 
     Hitbox* getHitbox();
 
-    void setSpawnPoint(const glm::vec3 &spawnpoint);
+    void setSpawnPoint(glm::vec3 point);
     glm::vec3 getSpawnPoint() const;
 
     std::unique_ptr<dynamic::Map> serialize() const override;
diff --git a/src/objects/rigging.cpp b/src/objects/rigging.cpp
index f3f89f19..67b14c18 100644
--- a/src/objects/rigging.cpp
+++ b/src/objects/rigging.cpp
@@ -68,8 +68,8 @@ SkeletonConfig::SkeletonConfig(const std::string& name, std::unique_ptr<Bone> ro
 size_t SkeletonConfig::update(
     size_t index, 
     Skeleton& skeleton, 
-    Bone* node,
-    const glm::mat4& matrix) const
+    Bone* node, 
+    glm::mat4 matrix) const
 {
     auto boneMatrix = skeleton.pose.matrices[index];
     auto boneOffset = node->getOffset();
@@ -85,7 +85,7 @@ size_t SkeletonConfig::update(
     return count;
 }
 
-void SkeletonConfig::update(Skeleton& skeleton, const glm::mat4& matrix) const {
+void SkeletonConfig::update(Skeleton& skeleton, glm::mat4 matrix) const {
     update(0, skeleton, root.get(), matrix);
 }
 
diff --git a/src/objects/rigging.hpp b/src/objects/rigging.hpp
index 44a7acae..6d4469ee 100644
--- a/src/objects/rigging.hpp
+++ b/src/objects/rigging.hpp
@@ -103,12 +103,12 @@ namespace rigging {
             size_t index,
             Skeleton& skeleton,
             Bone* node,
-            const glm::mat4& matrix) const;
+            glm::mat4 matrix) const;
     public:
         SkeletonConfig(const std::string& name, std::unique_ptr<Bone> root, 
                   size_t nodesCount);
 
-        void update(Skeleton& skeleton, const glm::mat4& matrix) const;
+        void update(Skeleton& skeleton, glm::mat4 matrix) const;
         void render(
             Assets* assets,
             ModelBatch& batch,
diff --git a/src/util/ThreadPool.hpp b/src/util/ThreadPool.hpp
index 594885f2..6b098b09 100644
--- a/src/util/ThreadPool.hpp
+++ b/src/util/ThreadPool.hpp
@@ -28,8 +28,8 @@ struct ThreadPoolResult {
 template<class T, class R>
 class Worker {
 public:
-    Worker() = default;
-    virtual ~Worker() = default;
+    Worker() {}
+    virtual ~Worker() {}
     virtual R operator()(const std::shared_ptr<T>&) = 0;
 };
 
diff --git a/src/util/command_line.cpp b/src/util/command_line.cpp
index 16178662..16fbdade 100644
--- a/src/util/command_line.cpp
+++ b/src/util/command_line.cpp
@@ -11,12 +11,12 @@
 namespace fs = std::filesystem;
 
 class ArgsReader {
-    const char* last = "";
-    char** argv;
     int argc;
+    char** argv;
     int pos = 0;
+    const char* last = "";
 public:
-    ArgsReader(int argc, char** argv) : argv(argv), argc(argc) {}
+    ArgsReader(int argc, char** argv) : argc(argc), argv(argv) {}
 
     void skip() {
         pos++;
diff --git a/src/util/listutil.cpp b/src/util/listutil.cpp
index a9bc5000..51d38965 100644
--- a/src/util/listutil.cpp
+++ b/src/util/listutil.cpp
@@ -7,7 +7,7 @@ std::string util::to_string(const std::vector<std::string>& vec) {
     std::stringstream ss;
     ss << "[";
     for (size_t i = 0; i < vec.size(); i++) {
-        ss << util::quote(vec[1]);
+        ss << util::quote(vec.at(i));
         if (i < vec.size()-1) {
             ss << ", ";
         }
diff --git a/src/util/stringutil.cpp b/src/util/stringutil.cpp
index 1f09e0f5..bc155c6a 100644
--- a/src/util/stringutil.cpp
+++ b/src/util/stringutil.cpp
@@ -37,7 +37,7 @@ std::string util::quote(const std::string& s) {
     return escape(s);
 }
 
-std::wstring util::lfill(const std::wstring& s, uint length, wchar_t c) {
+std::wstring util::lfill(std::wstring s, uint length, wchar_t c) {
     if (s.length() >= length) {
         return s;
     }
@@ -49,7 +49,7 @@ std::wstring util::lfill(const std::wstring& s, uint length, wchar_t c) {
     return ss.str();
 }
 
-std::wstring util::rfill(const std::wstring& s, uint length, wchar_t c) {
+std::wstring util::rfill(std::wstring s, uint length, wchar_t c) {
     if (s.length() >= length) {
         return s;
     }
diff --git a/src/util/stringutil.hpp b/src/util/stringutil.hpp
index fbfc3665..273a9264 100644
--- a/src/util/stringutil.hpp
+++ b/src/util/stringutil.hpp
@@ -13,8 +13,8 @@ namespace util {
     /// @brief Function used for error messages
     std::string quote(const std::string& s);
 
-    std::wstring lfill(const std::wstring& s, uint length, wchar_t c);
-    std::wstring rfill(const std::wstring& s, uint length, wchar_t c);
+    std::wstring lfill(std::wstring s, uint length, wchar_t c);
+    std::wstring rfill(std::wstring s, uint length, wchar_t c);
 
     uint encode_utf8(uint32_t c, ubyte* bytes);
     uint32_t decode_utf8(uint& size, const char* bytes);
diff --git a/src/voxels/Block.hpp b/src/voxels/Block.hpp
index 0d0fb3f6..5c0dcfaa 100644
--- a/src/voxels/Block.hpp
+++ b/src/voxels/Block.hpp
@@ -48,7 +48,7 @@ struct CoordSystem {
 
     void transform(AABB& aabb) const;
 
-    inline bool isVectorHasNegatives(const glm::ivec3& vec) {
+    inline bool isVectorHasNegatives(glm::ivec3 vec) {
         return (vec.x < 0 || vec.y < 0 || vec.z < 0);
     }
 };
diff --git a/src/voxels/Chunks.cpp b/src/voxels/Chunks.cpp
index 5909b76d..1b8aff43 100644
--- a/src/voxels/Chunks.cpp
+++ b/src/voxels/Chunks.cpp
@@ -232,13 +232,13 @@ void Chunks::repairSegments(const Block* def, blockstate state, int x, int y, in
     }
 }
 
-bool Chunks::checkReplaceability(const Block* def, blockstate state, const glm::ivec3 &coord, blockid_t ignore) {
+bool Chunks::checkReplaceability(const Block* def, blockstate state, glm::ivec3 origin, blockid_t ignore) {
     const auto& rotation = def->rotations.variants[state.rotation];
     const auto size = def->size;
     for (int sy = 0; sy < size.y; sy++) {
         for (int sz = 0; sz < size.z; sz++) {
             for (int sx = 0; sx < size.x; sx++) {
-                auto pos = coord;
+                auto pos = origin;
                 pos += rotation.axisX * sx;
                 pos += rotation.axisY * sy;
                 pos += rotation.axisZ * sz;
@@ -257,7 +257,7 @@ bool Chunks::checkReplaceability(const Block* def, blockstate state, const glm::
 }
 
 void Chunks::setRotationExtended(
-    Block* def, blockstate state, const glm::ivec3 &origin, uint8_t index
+    Block* def, blockstate state, glm::ivec3 origin, uint8_t index
 ) {
     auto newstate = state;
     newstate.rotation = index;
@@ -387,8 +387,8 @@ void Chunks::set(int32_t x, int32_t y, int32_t z, uint32_t id, blockstate state)
 }
 
 voxel* Chunks::rayCast(
-    const glm::vec3 &start,
-    const glm::vec3 &dir,
+    glm::vec3 start, 
+    glm::vec3 dir, 
     float maxDist, 
     glm::vec3& end, 
     glm::ivec3& norm, 
@@ -520,7 +520,7 @@ voxel* Chunks::rayCast(
     return nullptr;
 }
 
-glm::vec3 Chunks::rayCastToObstacle(const glm::vec3 &start, const glm::vec3 &dir, float maxDist) {
+glm::vec3 Chunks::rayCastToObstacle(glm::vec3 start, glm::vec3 dir, float maxDist) {
     const float px = start.x;
     const float py = start.y;
     const float pz = start.z;
diff --git a/src/voxels/Chunks.hpp b/src/voxels/Chunks.hpp
index 677fd036..860d3da0 100644
--- a/src/voxels/Chunks.hpp
+++ b/src/voxels/Chunks.hpp
@@ -27,7 +27,7 @@ class Chunks {
 
     void eraseSegments(const Block* def, blockstate state, int x, int y, int z);
     void repairSegments(const Block* def, blockstate state, int x, int y, int z);
-    void setRotationExtended(Block* def, blockstate state, const glm::ivec3 &origin, uint8_t rotation);
+    void setRotationExtended(Block* def, blockstate state, glm::ivec3 origin, uint8_t rotation);
 public:
     std::vector<std::shared_ptr<Chunk>> chunks;
     std::vector<std::shared_ptr<Chunk>> chunksSecond;
@@ -48,7 +48,7 @@ public:
     Chunk* getChunkByVoxel(int32_t x, int32_t y, int32_t z);
     voxel* get(int32_t x, int32_t y, int32_t z) const;
 
-    inline voxel* get(const glm::ivec3 &pos) {
+    inline voxel* get(glm::ivec3 pos) {
         return get(pos.x, pos.y, pos.z);
     }
 
@@ -68,20 +68,20 @@ public:
     /// @param state the block state
     /// @param coord position of the zone start
     /// @param ignore ignored block id (will be counted as replaceable)
-    bool checkReplaceability(const Block* def, blockstate state, const glm::ivec3 &coord, blockid_t ignore=0);
+    bool checkReplaceability(const Block* def, blockstate state, glm::ivec3 coord, blockid_t ignore=0);
 
     void setRotation(int32_t x, int32_t y, int32_t z, uint8_t rotation);
 
     voxel* rayCast(
-        const glm::vec3 &start,
-        const glm::vec3 &dir,
+        glm::vec3 start, 
+        glm::vec3 dir, 
         float maxLength, 
         glm::vec3& end, 
         glm::ivec3& norm, 
         glm::ivec3& iend
     );
 
-    glm::vec3 rayCastToObstacle(const glm::vec3 &start, const glm::vec3 &dir, float maxDist);
+    glm::vec3 rayCastToObstacle(glm::vec3 start, glm::vec3 dir, float maxDist);
 
     const AABB* isObstacleAt(float x, float y, float z);
     bool isSolidBlock(int32_t x, int32_t y, int32_t z);
diff --git a/src/window/Events.cpp b/src/window/Events.cpp
index 6c237a28..cd94946c 100644
--- a/src/window/Events.cpp
+++ b/src/window/Events.cpp
@@ -115,7 +115,7 @@ void Events::bind(const std::string& name, inputtype type, mousecode code) {
 }
 
 void Events::bind(const std::string& name, inputtype type, int code) {
-    bindings.try_emplace(name, Binding(type, code));
+    bindings.emplace(name, Binding(type, code));
 }
 
 void Events::rebind(const std::string& name, inputtype type, int code) {
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 7bfb8fcc..bb266afe 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -205,11 +205,11 @@ void Window::clearDepth() {
     glClear(GL_DEPTH_BUFFER_BIT);
 }
 
-void Window::setBgColor(const glm::vec3 &color) {
+void Window::setBgColor(glm::vec3 color) {
     glClearColor(color.r, color.g, color.b, 1.0f);
 }
 
-void Window::setBgColor(const glm::vec4 &color) {
+void Window::setBgColor(glm::vec4 color) {
     glClearColor(color.r, color.g, color.b, color.a);
 }
 
diff --git a/src/window/Window.hpp b/src/window/Window.hpp
index ba60658d..44e6e7b6 100644
--- a/src/window/Window.hpp
+++ b/src/window/Window.hpp
@@ -49,8 +49,8 @@ public:
 
     static void clear();
     static void clearDepth();
-    static void setBgColor(const glm::vec3 &color);
-    static void setBgColor(const glm::vec4 &color);
+    static void setBgColor(glm::vec3 color);
+    static void setBgColor(glm::vec4 color);
     static double time();
     static const char* getClipboardText();
     static void setClipboardText(const char* text);
diff --git a/src/window/input.hpp b/src/window/input.hpp
index fe991e4b..7c966087 100644
--- a/src/window/input.hpp
+++ b/src/window/input.hpp
@@ -142,7 +142,7 @@ struct Binding {
     bool state = false;
     bool justChange = false;
     
-    Binding() = default;
+    Binding(){}
     Binding(inputtype type, int code) : type(type), code(code) {}
 
     bool active() const {
diff --git a/src/world/World.cpp b/src/world/World.cpp
index c8ad542a..37379852 100644
--- a/src/world/World.cpp
+++ b/src/world/World.cpp
@@ -201,7 +201,7 @@ void World::deserialize(dynamic::Map* root) {
     generator = root->get("generator", generator);
     seed = root->get("seed", seed);
 
-    if (generator.empty()) {
+    if (generator == "") {
         generator = WorldGenerators::getDefaultGeneratorID();
     }
     if (auto verobj = root->map("version")) {