Merge branch 'MihailRis:main' into main

2025-01-30 01:53:02 +03:00
parent fcb5c7fc1d df5645eb07
commit 4c4a6e08b8
38 changed files with 283 additions and 130 deletions
@@ -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
- blockwraps
- network (http requests and sockets)
+- headless mode `--headless`
+- script execution mode `--headless --script filename`
+- test execution mode `--headless --test filename`
+- vctest console application
 - libraries:
-	- base64
-	- gfx.text3d
-	- gfx.blockwraps
-    - network
+    - app
+    - byteutil
+- in-game chat
+- 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_block_replaced
-    - on_player_tick
- structures 'lowering' property
- add 'hint' property to textbox
- add 'taking' and 'placing' properties to slot and slotsgrid
- add 'scroll-step' property to container
- add 'line-numbers' and 'text-color' to textbox
- modules:
-    - base:util
- uinode property 'id'
- block.materials table
- block.properties table
- item.properties table
- add version to world info table
- add 'sizeSpread' particles property
- add user properties
+    - on_chunk_present
+    - on_chunk_remove
+    - on_inventory_open
+    - on_inventory_closed
+- [canvas](https://github.com/MihailRis/VoxelEngine-Cpp/pull/444) ui node
+- settings:
+    - `graphics.dense-render`
+- block properties:
+    - `culling`
+- particles properties:
+    - `angle_spread`
+    - `min_angular_vel`, `max_angular_vel`
+- bytearray support in serializers
+- ui properties:
+    - uinode: `cursor`
+    - textbox: `markup`, `syntax`, `text-color`
+    - 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
- player.set_infinite_items
- player.is_instant_destruction
- player.set_instant_destruction
- player.get_name
- player.set_name
- hud.open
- base64.encode
- base64.decode
- utf8.escape
- string.escape
- textbox:lineAt
- textbox:linePos
- network.get
- network.get_binary
- network.tcp_connect
- network.tcp_open
- network.get_total_upload
- network.get_total_download
- gfx.text3d.show
- gfx.text3d.hide
- gfx.text3d.get_text
- gfx.text3d.set_text
- gfx.text3d.get_pos
- gfx.text3d.set_pos
- gfx.text3d.get_axis_x
- gfx.text3d.set_axis_x
- gfx.text3d.get_axis_y
- gfx.text3d.set_axis_y
- gfx.text3d.set_rotation
- gfx.text3d.update_settings
+- app.tick
+- app.sleep
+- app.sleep_until
+- app.new_world
+- app.open_world
+- app.save_world
+- app.close_world
+- app.reopen_world
+- app.delete_world
+- app.config_packs
+- app.reconfig_packs
+- app.get_setting
+- app.set_setting
+- app.get_version
+- app.get_setting_info
+- app.load_content
+- app.reset_content
+- app.is_content_loaded
+- app.quit
+- entity:get_player
+- start_coroutine
+- gui.clear_markup
+- gui.escape_markup
+- gui.alert
+- gui.confirm
+- gui.load_document
+- console.get
+- world.get_chunk_data
+- world.set_chunk_data
+- world.save_chunk_data
+- 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 translucent blocks render](https://github.com/MihailRis/VoxelEngine-Cpp/pull/370)
- [fix blocks selection with semi-transparent blocks](https://github.com/MihailRis/VoxelEngine-Cpp/commit/171cbb48d099032d7e78c51a46c374104f96f0d1)
- [fix: commands repository not reset before world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1a00a91b604399f3108aa995422d371e573e650b)
- [mip-mapping related fixes](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d9277e1b31714632bd7f5f601b8362a9e7cb8819)
- [fix disabled slots display](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e8ee3e04b1398a3ada8445591267525304410571)
- [fix attack](https://github.com/MihailRis/VoxelEngine-Cpp/commit/bc17abc8b3ee7ff9027f7e3c375ca0330bb8e7bc)
- [fix: commands repository not reset before world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1a00a91b604399f3108aa995422d371e573e650b)
- [fix stdlib.lua](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6ec33ab98c78523eaececf40f113f2323d25a33a)
- [fix file.write_bytes](https://github.com/MihailRis/VoxelEngine-Cpp/commit/0fec17a8b69ac81255b77022f3af5addf8fcc8f8)
- [fix World::nextInventoryId](https://github.com/MihailRis/VoxelEngine-Cpp/commit/371fdaedcef2c163edd226160f388068b2bf5e83)
- [fix block inventory unbinding](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6f6c2a916afd6b9b79221111fc72b1a86109be13)
- [fix xml text escapes handling](https://github.com/MihailRis/VoxelEngine-Cpp/commit/53c54dc91d132c221ff5fea2f7e9fb4568db9a0f)
- [fix `\'` escape parsing](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2bc6cbda2e809b14fa6cffe09161b53c1636675f)
- [fix crosshair look](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e034bda477c35efe96548e78ecc722966a7a2197)
- [fix: actual block inventory size not updating on inventory-size property update](https://github.com/MihailRis/VoxelEngine-Cpp/commit/1ba5b0ce33103e539ccb199ee1cd52095e286a1f)
- [fix falling block hitbox](https://github.com/MihailRis/VoxelEngine-Cpp/commit/352ef6485a4b796d1cdc8dd0e00ab1a1d72a2c0a)
- [fix console position](https://github.com/MihailRis/VoxelEngine-Cpp/commit/3ea213e8d3cee7be55ec39ffb18dc557dec7557b)
- [fix: fatal error on pack removal when no world open](https://github.com/MihailRis/VoxelEngine-Cpp/commit/78d5ab02c2ba8a3d05cf5639eb10a49c9ca14ec3)
- [fix custom model lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/a333cadfcaeb485a30833343d55faf01b28a5c5f)
- [fix: emitter does not skip particles](https://github.com/MihailRis/VoxelEngine-Cpp/commit/983e516fb4ebc1f2def592f2b7f3195d968deed2)
- [fix old custom models render](https://github.com/MihailRis/VoxelEngine-Cpp/commit/82733d38011b52a426cb74560521949c1cd43cc1)
+- [fix on_block_interact & fix segfault after engine finished](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d1f92c21d0bbdf2df0eb3b31c5637bdf7110444c)
+- [fix item.properties](https://github.com/MihailRis/VoxelEngine-Cpp/commit/92fb19ba5e2307fdbcbf5d0e55f9c0712be45f72)
+- [fix base:bazalt durability](https://github.com/MihailRis/VoxelEngine-Cpp/commit/a036c5e383135dc0f9b086e244188d1ceb3f0bf2)
+- [fix camera-related bugs](https://github.com/MihailRis/VoxelEngine-Cpp/commit/0d071ab0141edbf087f3ec03505792740023c01e)
+- [fix: grabbed item is deleted on inventory close](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2787f2fc5495004f6029644ed5221f3abfc0c68f)
+- [fix block overriding](https://github.com/MihailRis/VoxelEngine-Cpp/commit/cda34e3975a42696ea31a1b0018731e746cd13bb)
+- [fix faces culling when 'light-passing' is false](https://github.com/MihailRis/VoxelEngine-Cpp/commit/954724c8378da525fc7349c018e9351c5bdfdf8f)
+- [fix particles lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/6be640458d6b4ae46866b342ca0f26e561ead125)
+- [fix non-skipping particles](https://github.com/MihailRis/VoxelEngine-Cpp/pull/421/commits/f1c7317c5ab2a148e5188e091cd1aa3490dc8b4d)
+- [fix content stats](https://github.com/MihailRis/VoxelEngine-Cpp/commit/97eef3ef1900157a9648bade8e06b203b99ee6f6)
+- [fix byte manipulation functions](https://github.com/MihailRis/VoxelEngine-Cpp/commit/9490d1f7eacb00f56112dfdd1ea12bb9c3ca528d)
+- [fix error handling in events and runnables](https://github.com/MihailRis/VoxelEngine-Cpp/commit/03a3062940ebfc4e8f0b3efc5930c71f8d07b604)
+- [fix small dumb legacy memory leak](https://github.com/MihailRis/VoxelEngine-Cpp/commit/4d0b9f049b79322959e4aefd95eedc665e87d087)
+- [fix grass lighting](https://github.com/MihailRis/VoxelEngine-Cpp/commit/9d7816a286fb3a7269b5220502354720e4d2726b)
+- [small fixes in translation.](https://github.com/MihailRis/VoxelEngine-Cpp/commit/d25452784d68be19821dc917ad15bc0a92d81bd9)
+- [fix errors handling in event handlers](https://github.com/MihailRis/VoxelEngine-Cpp/commit/f62fc5a039dca70219fb2b38f61fc53a2542adf7)
+- [fix lua stack manipulations](https://github.com/MihailRis/VoxelEngine-Cpp/commit/e7555448cf0df86995b40d67fa58de1ca78f8105)
+- [fix lua::create_lambda](https://github.com/MihailRis/VoxelEngine-Cpp/commit/40cdebb175014736e35bc31ecc93ae72fb00a6e9)
+- [fix some UB](https://github.com/MihailRis/VoxelEngine-Cpp/commit/b5999fe36420d116674abc353ed3dad739ac5f70)
+- [fix rigidbody:is_enabled](https://github.com/MihailRis/VoxelEngine-Cpp/commit/2adfbdb19226b2685848131073a56b354706433d)
+- [fix panel elements removal](https://github.com/MihailRis/VoxelEngine-Cpp/commit/c6951e09651149463528bdffbc2cba4ea41de4a4)
+- [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)
@@ -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

@@ -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

@@ -1,8 +1,6 @@
 # Documentation

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

 ## Sections

@@ -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(
@@ -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
@@ -1,8 +1,6 @@
 # Документация

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

 ## Разделы

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

@@ -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("%w+%s*=%s*\"%%{%w+}\"%s?", "")
+    text = text:gsub("%s*%S+='%%{[^}]+}'%s*", " ")
+    text = text:gsub('%s*%S+="%%{[^}]+}"%s*', " ")
    return text
 end

@@ -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);
@@ -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)) {
-    container = std::make_shared<Container>(glm::vec2(1000));
+GUI::GUI()
+    : 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);

@@ -65,9 +65,10 @@ void Menu::setPage(Page page, bool history) {
    setSize(current.panel->getSize());
 }

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

@@ -231,7 +231,13 @@ static int l_pack_assemble(lua::State* L) {
    }
    auto manager = engine->createPacksManager(worldFolder);
    manager.scan();
-    ids = std::move(manager.assemble(ids));
+    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++) {
@@ -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"),
@@ -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 {
@@ -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());
-            size_t size = bytes.size();
-            for (size_t i = 0; i < size;) {
-                pushinteger(L, bytes[i]);
-                i++;
-                rawseti(L, i);
-            }
+            newuserdata<LuaBytearray>(L, bytes.data(), bytes.size());
            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);
@@ -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() {
 }

@@ -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));
@@ -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);
-    std::string preferredLocaleName =
+    const char* const programLocaleName = setlocale(LC_ALL, nullptr);
+    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) {