Merge branch 'MihailRis:main' into main

CHANGELOG.md

@@ -1,96 +1,153 @@
-# 0.25 - 2024.12.01
+# 0.26 - 2025.01.27
 
-[Documentation](https://github.com/MihailRis/VoxelEngine-Cpp/tree/release-0.25/doc/en/main-page.md) for 0.25
+[Documentation](https://github.com/MihailRis/VoxelEngine-Cpp/tree/release-0.26/doc/en/main-page.md) for 0.26
 
 Table of contents:
 
 - [Added](#added)
+    - [Changes](#changes)
     - [Functions](#functions)
 - [Fixes](#fixes)
 
 ## Added
 
-- 3dtext
+- headless mode `--headless`
-- blockwraps
+- script execution mode `--headless --script filename`
-- network (http requests and sockets)
+- test execution mode `--headless --test filename`
+- vctest console application
 - libraries:
-	- base64
+    - app
-	- gfx.text3d
+    - byteutil
-	- gfx.blockwraps
+- in-game chat
-    - network
+- text markup: Markdown
+- syntax-highlighting: Lua
+- http post requests
+- `Scripts` menu page for app scripts
+- binding `hud.chat`
+- user-defined console.submit
 - events:
-    - on_replaced
+    - on_chunk_present
-    - on_block_replaced
+    - on_chunk_remove
-    - on_player_tick
+    - on_inventory_open
-- structures 'lowering' property
+    - on_inventory_closed
-- add 'hint' property to textbox
+- [canvas](https://github.com/MihailRis/VoxelEngine-Cpp/pull/444) ui node
-- add 'taking' and 'placing' properties to slot and slotsgrid
+- settings:
-- add 'scroll-step' property to container
+    - `graphics.dense-render`
-- add 'line-numbers' and 'text-color' to textbox
+- block properties:
-- modules:
+    - `culling`
-    - base:util
+- particles properties:
-- uinode property 'id'
+    - `angle_spread`
-- block.materials table
+    - `min_angular_vel`, `max_angular_vel`
-- block.properties table
+- bytearray support in serializers
-- item.properties table
+- ui properties:
-- add version to world info table
+    - uinode: `cursor`
-- add 'sizeSpread' particles property
+    - textbox: `markup`, `syntax`, `text-color`
-- add user properties
+    - label: `markup`
+- base pack:
+    - add transparent leaves render mode
+    - add falling leaves particles
+    - 'states' parameter in base:falling_block
+    - added/updated sounds
+- nameless worlds
+- SIGTERM handler
+- project:
+    - clang Windows workflow
+    - engine tests
+
+### Changes
+
+- moved `devtools.console` binding handler to Lua
+- move `key:escape` binding handler to Lua
+- upgrade dead emitters garbage collection
+- reserved player entity ids: `0` - none (example: dead), `-1` - auto (spawns new one)
+- input.add_callback("key:name") support and add optional `owner` argument
 
 ### Functions
 
-- player.is_infinite_items
+- app.tick
-- player.set_infinite_items
+- app.sleep
-- player.is_instant_destruction
+- app.sleep_until
-- player.set_instant_destruction
+- app.new_world
-- player.get_name
+- app.open_world
-- player.set_name
+- app.save_world
-- hud.open
+- app.close_world
-- base64.encode
+- app.reopen_world
-- base64.decode
+- app.delete_world
-- utf8.escape
+- app.config_packs
-- string.escape
+- app.reconfig_packs
-- textbox:lineAt
+- app.get_setting
-- textbox:linePos
+- app.set_setting
-- network.get
+- app.get_version
-- network.get_binary
+- app.get_setting_info
-- network.tcp_connect
+- app.load_content
-- network.tcp_open
+- app.reset_content
-- network.get_total_upload
+- app.is_content_loaded
-- network.get_total_download
+- app.quit
-- gfx.text3d.show
+- entity:get_player
-- gfx.text3d.hide
+- start_coroutine
-- gfx.text3d.get_text
+- gui.clear_markup
-- gfx.text3d.set_text
+- gui.escape_markup
-- gfx.text3d.get_pos
+- gui.alert
-- gfx.text3d.set_pos
+- gui.confirm
-- gfx.text3d.get_axis_x
+- gui.load_document
-- gfx.text3d.set_axis_x
+- console.get
-- gfx.text3d.get_axis_y
+- world.get_chunk_data
-- gfx.text3d.set_axis_y
+- world.set_chunk_data
-- gfx.text3d.set_rotation
+- world.save_chunk_data
-- gfx.text3d.update_settings
+- world.count_chunks
+- player.create
+- player.delete
+- player.is_suspended
+- player.set_suspended
+- player.is_loaded_chunks
+- player.set_loading_chunks
+- network.post
+- table.shuffle
+- table.deep_copy
+- math.normalize
+- math.round
+- byteutil.pack
+- byteutil.unpack
+- file.name
+- file.stem
+- file.ext
+- file.prefix
+- hud.set_allow_pause
+
+Methods:
+- uinode:reposition
+- socket:available
+
+New overloads:
+- block.get_X, block.get_Y, block.get_Z
+- player.get_rot
+- Bytearray:append
 
 ## Fixes
-
+- [fix on_block_interact & fix segfault after engine finished](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d1f92c21d0bbdf2df0eb3b31c5637bdf7110444c)
-- [fix translucent blocks render](https://github.com/MihailRis/VoxelEngine-Cpp/pull/370)
+- [fix item.properties](https://github.com/MihailRis/VoxelEngine-Cpp/commit/92fb19ba5e2307fdbcbf5d0e55f9c0712be45f72)
-- [fix blocks selection with semi-transparent blocks](https://github.com/MihailRis/VoxelEngine-Cpp/commit/171cbb48d099032d7e78c51a46c374104f96f0d1)
+- [fix base:bazalt durability](https://github.com/MihailRis/VoxelEngine-Cpp/commit/a036c5e383135dc0f9b086e244188d1ceb3f0bf2)
-- [fix: commands repository not reset before world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1a00a91b604399f3108aa995422d371e573e650b)
+- [fix camera-related bugs](https://github.com/MihailRis/VoxelEngine-Cpp/commit/0d071ab0141edbf087f3ec03505792740023c01e)
-- [mip-mapping related fixes](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d9277e1b31714632bd7f5f601b8362a9e7cb8819)
+- [fix: grabbed item is deleted on inventory close](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2787f2fc5495004f6029644ed5221f3abfc0c68f)
-- [fix disabled slots display](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e8ee3e04b1398a3ada8445591267525304410571)
+- [fix block overriding](https://github.com/MihailRis/VoxelEngine-Cpp/commit/cda34e3975a42696ea31a1b0018731e746cd13bb)
-- [fix attack](https://github.com/MihailRis/VoxelEngine-Cpp/commit/bc17abc8b3ee7ff9027f7e3c375ca0330bb8e7bc)
+- [fix faces culling when 'light-passing' is false](https://github.com/MihailRis/VoxelEngine-Cpp/commit/954724c8378da525fc7349c018e9351c5bdfdf8f)
-- [fix: commands repository not reset before world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1a00a91b604399f3108aa995422d371e573e650b)
+- [fix particles lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6be640458d6b4ae46866b342ca0f26e561ead125)
-- [fix stdlib.lua](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6ec33ab98c78523eaececf40f113f2323d25a33a)
+- [fix non-skipping particles](https://github.com/MihailRis/VoxelEngine-Cpp/pull/421/commits/f1c7317c5ab2a148e5188e091cd1aa3490dc8b4d)
-- [fix file.write_bytes](https://github.com/MihailRis/VoxelEngine-Cpp/commit/0fec17a8b69ac81255b77022f3af5addf8fcc8f8)
+- [fix content stats](https://github.com/MihailRis/VoxelEngine-Cpp/commit/97eef3ef1900157a9648bade8e06b203b99ee6f6)
-- [fix World::nextInventoryId](https://github.com/MihailRis/VoxelEngine-Cpp/commit/371fdaedcef2c163edd226160f388068b2bf5e83)
+- [fix byte manipulation functions](https://github.com/MihailRis/VoxelEngine-Cpp/commit/9490d1f7eacb00f56112dfdd1ea12bb9c3ca528d)
-- [fix block inventory unbinding](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6f6c2a916afd6b9b79221111fc72b1a86109be13)
+- [fix error handling in events and runnables](https://github.com/MihailRis/VoxelEngine-Cpp/commit/03a3062940ebfc4e8f0b3efc5930c71f8d07b604)
-- [fix xml text escapes handling](https://github.com/MihailRis/VoxelEngine-Cpp/commit/53c54dc91d132c221ff5fea2f7e9fb4568db9a0f)
+- [fix small dumb legacy memory leak](https://github.com/MihailRis/VoxelEngine-Cpp/commit/4d0b9f049b79322959e4aefd95eedc665e87d087)
-- [fix `\'` escape parsing](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2bc6cbda2e809b14fa6cffe09161b53c1636675f)
+- [fix grass lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/9d7816a286fb3a7269b5220502354720e4d2726b)
-- [fix crosshair look](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e034bda477c35efe96548e78ecc722966a7a2197)
+- [small fixes in translation.](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d25452784d68be19821dc917ad15bc0a92d81bd9)
-- [fix: actual block inventory size not updating on inventory-size property update](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1ba5b0ce33103e539ccb199ee1cd52095e286a1f)
+- [fix errors handling in event handlers](https://github.com/MihailRis/VoxelEngine-Cpp/commit/f62fc5a039dca70219fb2b38f61fc53a2542adf7)
-- [fix falling block hitbox](https://github.com/MihailRis/VoxelEngine-Cpp/commit/352ef6485a4b796d1cdc8dd0e00ab1a1d72a2c0a)
+- [fix lua stack manipulations](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e7555448cf0df86995b40d67fa58de1ca78f8105)
-- [fix console position](https://github.com/MihailRis/VoxelEngine-Cpp/commit/3ea213e8d3cee7be55ec39ffb18dc557dec7557b)
+- [fix lua::create_lambda](https://github.com/MihailRis/VoxelEngine-Cpp/commit/40cdebb175014736e35bc31ecc93ae72fb00a6e9)
-- [fix: fatal error on pack removal when no world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/78d5ab02c2ba8a3d05cf5639eb10a49c9ca14ec3)
+- [fix some UB](https://github.com/MihailRis/VoxelEngine-Cpp/commit/b5999fe36420d116674abc353ed3dad739ac5f70)
-- [fix custom model lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/a333cadfcaeb485a30833343d55faf01b28a5c5f)
+- [fix rigidbody:is_enabled](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2adfbdb19226b2685848131073a56b354706433d)
-- [fix: emitter does not skip particles](https://github.com/MihailRis/VoxelEngine-Cpp/commit/983e516fb4ebc1f2def592f2b7f3195d968deed2)
+- [fix panel elements removal](https://github.com/MihailRis/VoxelEngine-Cpp/commit/c6951e09651149463528bdffbc2cba4ea41de4a4)
-- [fix old custom models render](https://github.com/MihailRis/VoxelEngine-Cpp/commit/82733d38011b52a426cb74560521949c1cd43cc1)
+- [fix infinite block fields conversion requests](https://github.com/MihailRis/VoxelEngine-Cpp/commit/0494db91872abff500cfc153a32035ee3f2745ae)
+- [fix data_buffer:put_number](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e247902cc6ffdaa6beab391fcfdaea7f021ab063)
+- [fix textbox horizontal scroll & fix console log width](https://github.com/MihailRis/VoxelEngine-Cpp/commit/13fde2116d095b9393c4f5804ba23071e5f56ad6)
+- [fix is_array](https://github.com/MihailRis/VoxelEngine-Cpp/pull/420)
+- [fix neighbour chunk update](https://github.com/MihailRis/VoxelEngine-Cpp/pull/404)
+- [fix lamp material](https://github.com/MihailRis/VoxelEngine-Cpp/commit/57356e1d64d6d9d7e8d59b078543b290e998ad00)

Dockerfile

@@ -29,7 +29,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
 # Install EnTT
 RUN git clone https://github.com/skypjack/entt.git && \
     cd entt/build && \
-    cmake -DCMAKE_BUILD_TYPE=Release .. && \
+    cmake -DCMAKE_BUILD_TYPE=Release -DENTT_INSTALL=on .. && \
     make install && \
     cd ../.. && rm -rf entt
 

README.md

@@ -3,7 +3,7 @@
 ## Latest release
 
 - [Download](https://github.com/MihailRis/VoxelEngine-Cpp/releases/latest) | [Скачать](https://github.com/MihailRis/VoxelEngine-Cpp/releases/latest)
-- [Documentation](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.25/doc/en/main-page.md) | [Документация](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.25/doc/ru/main-page.md)
+- [Documentation](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.26/doc/en/main-page.md) | [Документация](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.26/doc/ru/main-page.md)
 
 ## Build project in Linux
 

doc/en/main-page.md

@@ -1,8 +1,6 @@
 # Documentation
 
-Documentation for in-development version 0.26.
+Documentation for release 0.26.
-
-[Documentation for stable release 0.25.x.](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.25/doc/en/main-page.md)
 
 ## Sections
 

doc/en/scripting/builtins/libgui.md

@@ -62,6 +62,17 @@ gui.escape_markup(
 
 Escapes markup in text.
 
+```lua
+gui.alert(
+    -- message (not automatically translated, use gui.str(...))
+    message: str,
+    -- function called on close
+    on_ok: function() -> nil
+)
+```
+
+Displays a message box. **Non-blocking**.
+
 ```lua
 gui.confirm(
     -- message (does not translate automatically, use gui.str(...))
@@ -78,7 +89,7 @@ gui.confirm(
 )
 ```
 
-Requests confirmation from the user for an action. **Does not** stop code execution.
+Requests confirmation from the user for an action. **Non-blocking**.
 
 ```lua
 gui.load_document(

doc/en/scripting/builtins/libplayer.md

@@ -96,6 +96,15 @@ player.get_spawnpoint(playerid: int) -> number, number, number
 
 Spawn point setter and getter
 
+```lua
+player.is_suspended(pid: int) -> bool
+player.set_suspended(pid: int, suspended: bool)
+```
+
+Setter and getter for the player's suspended status.
+
+When suspended, the entity is deleted and the player is disabled from the world simulation.
+
 ```lua
 player.set_name(playerid: int, name: str)
 player.get_name(playerid: int) -> str

doc/ru/main-page.md

@@ -1,8 +1,6 @@
 # Документация
 
-Документация разрабатываемой версии 0.26.
+Документация версии 0.26.
-
-[Документация стабильной версии 0.25.x.](https://github.com/MihailRis/VoxelEngine-Cpp/blob/release-0.25/doc/ru/main-page.md)
 
 ## Разделы
 

doc/ru/scripting/builtins/libgui.md

@@ -59,6 +59,17 @@ gui.escape_markup(
 
 Экранирует разметку в тексте.
 
+```lua
+gui.alert(
+    -- сообщение (не переводится автоматически, используйте gui.str(...))
+    message: str,
+    -- функция, вызываемая при закрытии
+    on_ok: function() -> nil
+)
+```
+
+Выводит окно с сообщением. **Не** останавливает выполнение кода.
+
 ```lua
 gui.confirm(
     -- сообщение (не переводится автоматически, используйте gui.str(...))

doc/ru/scripting/builtins/libplayer.md

@@ -96,6 +96,15 @@ player.get_spawnpoint(playerid: int) -> number, number, number
 
 Сеттер и геттер точки спавна игрока
 
+```lua
+player.is_suspended(pid: int) -> bool
+player.set_suspended(pid: int, suspended: bool)
+```
+
+Сеттер и геттер статуса "заморозки" игрока.
+
+При "заморозке" удаляется сущность, а игрок выключается из симуляции мира.
+
 ```lua
 player.set_name(playerid: int, name: str) 
 player.get_name(playerid: int) -> str

res/content/base/block_materials/snow.json

@@ -0,0 +1,5 @@
+{
+    "steps-sound": "steps/snow",
+    "place-sound": "blocks/snow_place",
+    "break-sound": "blocks/snow_break"
+}

res/content/base/scripts/components/player_animator.lua

@@ -19,7 +19,7 @@ function on_render()
         return
     end
     
-    local rx, ry, rz = player.get_rot(pid, true)
+    local rx, ry, rz = player.get_rot(pid, pid ~= hud.get_player())
     rig:set_matrix(headIndex, mat4.rotate({1, 0, 0}, ry))
     rig:set_matrix(bodyIndex, mat4.rotate({0, 1, 0}, rx))
 

res/scripts/stdlib.lua

@@ -194,8 +194,8 @@ function gui.template(name, params)
     text = text:gsub("if%s*=%s*'%%{%w+}'", "if=''")
     text = text:gsub("if%s*=%s*\"%%{%w+}\"", "if=\"\"")
     -- remove unsolved properties: attr='%{var}'
-    text = text:gsub("%w+%s*=%s*'%%{%w+}'%s?", "")
+    text = text:gsub("%s*%S+='%%{[^}]+}'%s*", " ")
-    text = text:gsub("%w+%s*=%s*\"%%{%w+}\"%s?", "")
+    text = text:gsub('%s*%S+="%%{[^}]+}"%s*', " ")
     return text
 end
 

src/graphics/render/BlocksRenderer.cpp

@@ -9,7 +9,7 @@
 #include "lighting/Lightmap.hpp"
 #include "frontend/ContentGfxCache.hpp"
 
-const glm::vec3 BlocksRenderer::SUN_VECTOR (0.411934f, 0.863868f, -0.279161f);
+const glm::vec3 BlocksRenderer::SUN_VECTOR (0.2275f,0.9388f,-0.1005f);
 
 BlocksRenderer::BlocksRenderer(
     size_t capacity,
@@ -129,7 +129,7 @@ void BlocksRenderer::faceAO(
     float s = 0.5f;
     if (lights) {
         float d = glm::dot(glm::normalize(Z), SUN_VECTOR);
-        d = 0.8f + d * 0.2f;
+        d = 0.7f + d * 0.3f;
 
         auto axisX = glm::normalize(X);
         auto axisY = glm::normalize(Y);
@@ -167,7 +167,7 @@ void BlocksRenderer::face(
     float s = 0.5f;
     if (lights) {
         float d = glm::dot(glm::normalize(Z), SUN_VECTOR);
-        d = 0.8f + d * 0.2f;
+        d = 0.7f + d * 0.3f;
         tint *= d;
     }
     vertex(coord + (-X - Y + Z) * s, region.u1, region.v1, tint);

src/graphics/ui/GUI.cpp

@@ -5,6 +5,7 @@
 #include "elements/UINode.hpp"
 #include "elements/Label.hpp"
 #include "elements/Menu.hpp"
+#include "elements/Panel.hpp"
 
 #include "assets/Assets.hpp"
 #include "frontend/UiDocument.hpp"
@@ -23,8 +24,10 @@
 
 using namespace gui;
 
-GUI::GUI() : batch2D(std::make_unique<Batch2D>(1024)) {
+GUI::GUI()
-    container = std::make_shared<Container>(glm::vec2(1000));
+    : batch2D(std::make_unique<Batch2D>(1024)),
+      container(std::make_shared<Container>(glm::vec2(1000))) {
+    container->setId("root");
     uicamera = std::make_unique<Camera>(glm::vec3(), Window::height);
     uicamera->perspective = false;
     uicamera->flipped = true;
@@ -214,6 +217,14 @@ void GUI::draw(const DrawContext& pctx, const Assets& assets) {
     auto& viewport = ctx.getViewport();
     glm::vec2 wsize = viewport.size();
 
+    auto& page = menu->getCurrent();
+    if (page.panel) {
+        menu->setSize(page.panel->getSize());
+        page.panel->refresh();
+        if (auto panel = std::dynamic_pointer_cast<gui::Panel>(page.panel)) {
+            panel->cropToContent();
+        }
+    }
     menu->setPos((wsize - menu->getSize()) / 2.0f);
     uicamera->setFov(wsize.y);
 

src/graphics/ui/elements/Menu.cpp

@@ -65,9 +65,10 @@ void Menu::setPage(Page page, bool history) {
     setSize(current.panel->getSize());
 }
 
-void Menu::back() {
+bool Menu::back() {
-    if (pageStack.empty())
+    if (pageStack.empty()) {
-        return;
+        return false;
+    }
     Page page = pageStack.top();
     pageStack.pop();
 
@@ -77,6 +78,7 @@ void Menu::back() {
     }
 
     setPage(page, false);
+    return true;
 }
 
 void Menu::setPageLoader(PageLoaderFunc loader) {

src/graphics/ui/elements/Menu.hpp

@@ -54,7 +54,7 @@ namespace gui {
         PageLoaderFunc getPageLoader();
 
         /// @brief Set page to previous saved in history
-        void back();
+        bool back();
 
         /// @brief Clear pages history
         void clearHistory();

src/graphics/ui/elements/Panel.cpp

@@ -70,9 +70,6 @@ void Panel::remove(const std::shared_ptr<UINode> &node) {
 
 void Panel::refresh() {
     UINode::refresh();
-    std::stable_sort(nodes.begin(), nodes.end(), [](auto a, auto b) {
-        return a->getZIndex() < b->getZIndex();
-    });
 
     float x = padding.x;
     float y = padding.y;
@@ -80,20 +77,21 @@ void Panel::refresh() {
     if (orientation == Orientation::vertical) {
         float maxw = size.x;
         for (auto& node : nodes) {
-            glm::vec2 nodesize = node->getSize();
             const glm::vec4 margin = node->getMargin();
             y += margin.y;
             
             float ex = x + margin.x;
             node->setPos(glm::vec2(ex, y));
-            y += nodesize.y + margin.w + interval;
             
             float width = size.x - padding.x - padding.z - margin.x - margin.z;
             if (node->isResizing()) {
-                node->setSize(glm::vec2(width, nodesize.y));
+                node->setMaxSize({width, node->getMaxSize().y});
+                node->setSize(glm::vec2(width, node->getSize().y));
             }
             node->refresh();
-            maxw = fmax(maxw, ex+node->getSize().x+margin.z+padding.z);
+            glm::vec2 nodeSize = node->getSize();
+            y += nodeSize.y + margin.w + interval;
+            maxw = fmax(maxw, ex+nodeSize.x+margin.z+padding.z);
         }
         actualLength = y + padding.w;
     } else {

src/graphics/ui/elements/UINode.cpp

@@ -195,7 +195,8 @@ glm::vec2 UINode::getSize() const {
 
 void UINode::setSize(glm::vec2 size) {
     this->size = glm::vec2(
-        glm::max(minSize.x, size.x), glm::max(minSize.y, size.y)
+        glm::max(minSize.x, glm::min(maxSize.x, size.x)),
+        glm::max(minSize.y, glm::min(maxSize.y, size.y))
     );
 }
 
@@ -208,6 +209,15 @@ void UINode::setMinSize(glm::vec2 minSize) {
     setSize(getSize());
 }
 
+glm::vec2 UINode::getMaxSize() const {
+    return maxSize;
+}
+
+void UINode::setMaxSize(glm::vec2 maxSize) {
+    this->maxSize = maxSize;
+    setSize(getSize());
+}
+
 void UINode::setColor(glm::vec4 color) {
     this->color = color;
     this->hoverColor = color;

src/graphics/ui/elements/UINode.hpp

@@ -75,6 +75,8 @@ namespace gui {
         glm::vec2 size;
         /// @brief minimal element size
         glm::vec2 minSize {1.0f};
+        /// @brief maximal element size
+        glm::vec2 maxSize {1e6f};
         /// @brief element primary color (background-color or text-color if label)
         glm::vec4 color {1.0f};
         /// @brief element color when mouse is over it
@@ -224,6 +226,8 @@ namespace gui {
         virtual void setSize(glm::vec2 size);
         virtual glm::vec2 getMinSize() const;
         virtual void setMinSize(glm::vec2 size);
+        virtual glm::vec2 getMaxSize() const;
+        virtual void setMaxSize(glm::vec2 size);
         /// @brief Called in containers when new element added
         virtual void refresh() {};
         virtual void fullRefresh() {

src/graphics/ui/gui_util.cpp

@@ -31,7 +31,17 @@ void guiutil::alert(
     const std::wstring& text,
     const runnable& on_hidden
 ) {
-    auto panel = std::make_shared<Panel>(glm::vec2(500, 300), glm::vec4(4.0f), 4.0f);
+    auto panel = std::make_shared<Panel>(
+        glm::vec2(
+            glm::min(
+                static_cast<size_t>(650),
+                glm::max(text.length() * 10, static_cast<size_t>(200))
+            ),
+            300
+        ),
+        glm::vec4(4.0f),
+        4.0f
+    );
     panel->setColor(glm::vec4(0.0f, 0.0f, 0.0f, 0.5f));
 
     auto menuPtr = engine.getGUI()->getMenu();
@@ -40,14 +50,15 @@ void guiutil::alert(
         menu.removePage("<alert>");
         if (on_hidden) {
             on_hidden();
-        } else {
+        } else if (!menu.back()) {
-            menu.back();
+            menu.reset();
         }
     };
     
     auto label = std::make_shared<Label>(text);
     label->setMultiline(true);
     label->setSize(glm::vec2(1, 24));
+    label->setAutoResize(true);
     panel->add(label);
     panel->add(std::make_shared<Button>(
         langs::get(L"Ok"), glm::vec4(10.f), 
@@ -56,6 +67,7 @@ void guiutil::alert(
         }
     ));
     panel->refresh();
+
     panel->keepAlive(Events::keyCallbacks[keycode::ENTER].add([on_hidden_final](){
         on_hidden_final();
         return true;

src/logic/scripting/lua/libs/libcore.cpp

@@ -148,7 +148,13 @@ static int l_reconfig_packs(lua::State* L) {
         lua::pop(L);
     }
     auto engineController = engine->getController();
+    try {
         engineController->reconfigPacks(controller, addPacks, remPacks);
+    } catch (const contentpack_error& err) {
+        throw std::runtime_error(
+            std::string(err.what()) + " [" + err.getPackId() + " ]"
+        );
+    }
     return 0;
 }
 

src/logic/scripting/lua/libs/libpack.cpp

@@ -231,7 +231,13 @@ static int l_pack_assemble(lua::State* L) {
     }
     auto manager = engine->createPacksManager(worldFolder);
     manager.scan();
+    try {
         ids = std::move(manager.assemble(ids));
+    } catch (const contentpack_error& err) {
+        throw std::runtime_error(
+            std::string(err.what()) + " [" + err.getPackId() + "]"
+        );
+    }
 
     lua::createtable(L, ids.size(), 0);
     for (size_t i = 0; i < ids.size(); i++) {

src/logic/scripting/lua/libs/libworld.cpp

@@ -55,7 +55,7 @@ static int l_get_list(lua::State* L) {
 
         auto assets = engine->getAssets();
         std::string icon = "world#" + name + ".icon";
-        if (!AssetsLoader::loadExternalTexture(
+        if (!engine->isHeadless() && !AssetsLoader::loadExternalTexture(
                 assets,
                 icon,
                 {worlds[i] / fs::path("icon.png"),

src/logic/scripting/lua/lua_custom_types.hpp

@@ -23,6 +23,7 @@ namespace lua {
     public:
         LuaBytearray(size_t capacity);
         LuaBytearray(std::vector<ubyte> buffer);
+        LuaBytearray(const ubyte* data, size_t size);
         virtual ~LuaBytearray();
 
         const std::string& getTypeName() const override {

src/logic/scripting/lua/lua_util.cpp

@@ -1,4 +1,5 @@
 #include "lua_util.hpp"
+#include "lua_engine.hpp"
 
 #include <iomanip>
 #include <iostream>
@@ -60,13 +61,7 @@ int lua::pushvalue(State* L, const dv::value& value) {
             break;
         case value_type::bytes: {
             const auto& bytes = value.asBytes();
-            createtable(L, 0, bytes.size());
+            newuserdata<LuaBytearray>(L, bytes.data(), bytes.size());
-            size_t size = bytes.size();
-            for (size_t i = 0; i < size;) {
-                pushinteger(L, bytes[i]);
-                i++;
-                rawseti(L, i);
-            }
             break;
         }
     }
@@ -234,6 +229,7 @@ static std::shared_ptr<std::string> create_lambda_handler(State* L) {
     return std::shared_ptr<std::string>(
         new std::string(name),
         [=](std::string* name) {
+            auto L = lua::get_main_state();
             requireglobal(L, LAMBDAS_TABLE);
             pushnil(L);
             setfield(L, *name);
@@ -246,6 +242,7 @@ static std::shared_ptr<std::string> create_lambda_handler(State* L) {
 runnable lua::create_runnable(State* L) {
     auto funcptr = create_lambda_handler(L);
     return [=]() {
+        auto L = lua::get_main_state();
         if (!get_from(L, LAMBDAS_TABLE, *funcptr, false))
             return;
         call_nothrow(L, 0, 0);

src/logic/scripting/lua/usertypes/lua_type_bytearray.cpp

@@ -14,6 +14,9 @@ LuaBytearray::LuaBytearray(size_t capacity) : buffer(capacity) {
 LuaBytearray::LuaBytearray(std::vector<ubyte> buffer) : buffer(std::move(buffer)) {
 }
 
+LuaBytearray::LuaBytearray(const ubyte* data, size_t size) : buffer(data, data + size) {
+}
+
 LuaBytearray::~LuaBytearray() {
 }
 

src/network/Network.cpp

@@ -319,7 +319,6 @@ public:
     ~SocketConnection() {
         if (state != ConnectionState::CLOSED) {
             shutdown(descriptor, 2);
-            closesocket(descriptor);
         }
         if (thread) {
             thread->join();
@@ -382,6 +381,9 @@ public:
     }
 
     int send(const char* buffer, size_t length) override {
+        if (state == ConnectionState::CLOSED) {
+            return 0;
+        }
         int len = sendsocket(descriptor, buffer, length, 0);
         if (len == -1) {
             int err = errno;
@@ -444,7 +446,7 @@ public:
         hints.ai_family = AF_INET;
         hints.ai_socktype = SOCK_STREAM;
 
-        addrinfo* addrinfo;
+        addrinfo* addrinfo = nullptr;
         if (int res = getaddrinfo(
             address.c_str(), nullptr, &hints, &addrinfo
         )) {
@@ -452,12 +454,11 @@ public:
         }
 
         sockaddr_in serverAddress = *(sockaddr_in*)addrinfo->ai_addr;
-        freeaddrinfo(addrinfo);
         serverAddress.sin_port = htons(port);
+        freeaddrinfo(addrinfo);
 
         SOCKET descriptor = socket(AF_INET, SOCK_STREAM, 0);
         if (descriptor == -1) {
-            freeaddrinfo(addrinfo);
             throw std::runtime_error("Could not create socket");
         }
         auto socket = std::make_shared<SocketConnection>(descriptor, std::move(serverAddress));

src/util/platform.cpp

@@ -65,17 +65,21 @@ int platform::get_process_id() {
 #else // _WIN32
 
 #include <unistd.h>
+#include "frontend/locale.hpp"
 
 void platform::configure_encoding() {
 }
 
 std::string platform::detect_locale() {
-    std::string programLocaleName = setlocale(LC_ALL, nullptr);
+    const char* const programLocaleName = setlocale(LC_ALL, nullptr);
-    std::string preferredLocaleName =
+    const char* const preferredLocaleName =
         setlocale(LC_ALL, "");  // locale name format: ll_CC.encoding
-    setlocale(LC_ALL, programLocaleName.c_str());
+    if (programLocaleName && preferredLocaleName) {
+        setlocale(LC_ALL, programLocaleName);
 
-    return preferredLocaleName.substr(0, 5);
+        return std::string(preferredLocaleName, 5);
+    }
+    return langs::FALLBACK_DEFAULT;
 }
 
 void platform::sleep(size_t millis) {