initial commit

ChestPreview/ChestPreview/ChestPreview.csproj

@@ -0,0 +1,80 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+    <OutputPath>bin\$(Configuration)\Mods\mod</OutputPath>
+    <Nullable>enable</Nullable>
+    <Configurations>Debug;Release;Version22</Configurations>
+    <VintageStoryDataPathArgs></VintageStoryDataPathArgs>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)' == 'Version22'">
+    <TargetFramework>net10.0</TargetFramework>
+    <VINTAGE_STORY>$(VINTAGE_STORY_22PRE2)</VINTAGE_STORY>
+    <VintageStoryDataPathArgs> --dataPath "..\VintageStory22Data"</VintageStoryDataPathArgs>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Reference Include="VintagestoryAPI">
+      <HintPath>$(VINTAGE_STORY)/VintagestoryAPI.dll</HintPath>
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="VSSurvivalMod">
+      <HintPath>$(VINTAGE_STORY)/Mods/VSSurvivalMod.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="VSEssentials">
+      <HintPath>$(VINTAGE_STORY)/Mods/VSEssentials.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="VSCreativeMod">
+      <HintPath>$(VINTAGE_STORY)/Mods/VSCreativeMod.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>$(VINTAGE_STORY)/Lib/Newtonsoft.Json.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="0Harmony">
+      <HintPath>$(VINTAGE_STORY)/Lib/0Harmony.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="VintagestoryLib">
+      <HintPath>$(VINTAGE_STORY)/VintagestoryLib.dll</HintPath>
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="protobuf-net">
+      <HintPath>$(VINTAGE_STORY)/Lib/protobuf-net.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="cairo-sharp">
+      <HintPath>$(VINTAGE_STORY)/Lib/cairo-sharp.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="Microsoft.Data.Sqlite">
+      <HintPath>$(VINTAGE_STORY)/Lib/Microsoft.Data.Sqlite.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="configlib">
+      <HintPath>E:\Code\VintageStory\configlib_1.10.14\configlib.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+  </ItemGroup>
+
+<ItemGroup>
+  <Content Include="modinfo.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+  </Content>
+</ItemGroup>
+
+<ItemGroup>
+  <Content Include="modicon.png" Condition="Exists('modicon.png')">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+  </Content>
+</ItemGroup>
+
+</Project>

ChestPreview/ChestPreview/Configs/Config.cs

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+namespace ChestPreview.Configs;
+
+public sealed class Config
+{
+    public string Mode { get; set; } = PreviewModes.UNDER_CURSOR;
+
+    public bool HoldKey { get; set; } = true;
+
+    public int BillboardColumnsPerBlock { get; set; } = 4;
+
+    public int ColumnsUnderCursor { get; set; } = 10;
+
+    public int PreviewNearbyRadius { get; set; } = 8;
+
+    public bool WhitelistedContainersOnly { get; set; } = true;
+
+    public string WhitelistedContainers { get; set; } = "barrel, crate, chest-*, trunk-*, storagevessel-*, stationarybasket-*, labeledchest-*";
+
+    public string BlacklistedContainers { get; set; } = "";
+}

ChestPreview/ChestPreview/Configs/ConfigLibBridge.cs

@@ -0,0 +1,50 @@
+using ChestPreview.Core;
+using ConfigLib;
+using System;
+using Vintagestory.API.Client;
+
+namespace ChestPreview.Configs;
+
+internal class ConfigLibBridge(Config config) : IDisposable
+{
+    public const string CONFIGLIB_MODID = "configlib";
+
+    private readonly Config config = config;
+
+    private ConfigLibModSystem? configLibSystem;
+
+    public static ConfigLibBridge? TryCreate(ICoreClientAPI api, Config config)
+    {
+        if (!api.ModLoader.IsModEnabled(CONFIGLIB_MODID))
+            return null;
+
+        ConfigLibModSystem? configLibSystem = api.ModLoader.GetModSystem<ConfigLibModSystem>();
+        if (configLibSystem == null)
+            return null;
+
+        var bridge = new ConfigLibBridge(config)
+        {
+            configLibSystem = configLibSystem
+        };
+
+        configLibSystem.SettingChanged += bridge.OnSettingChanged;
+        return bridge;
+    }
+
+    public void Dispose()
+    {
+        if (configLibSystem == null)
+            return;
+
+        configLibSystem.SettingChanged -= OnSettingChanged;
+        configLibSystem = null;
+    }
+
+    private void OnSettingChanged(string domain, IConfig configObject, ISetting settingObject)
+    {
+        if (domain != ChestPreviewModSystem.CONFIGLIB_DOMAIN || settingObject == null)
+            return;
+
+        settingObject.AssignSettingValue(config);
+    }
+}

ChestPreview/ChestPreview/Configs/PreviewModes.cs

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+namespace ChestPreview.Configs;
+
+public static class PreviewModes
+{
+    public const string NONE = "None";
+    public const string UNDER_CURSOR = "UnderCursor";
+    public const string ON_HOVERED_CONTAINER = "OnHoveredContainer";
+    public const string ON_NEARBY_CONTAINERS = "OnNearbyContainers";
+
+    public static string Normalize(string? mode)
+    {
+        return mode switch
+        {
+            NONE => NONE,
+            UNDER_CURSOR => UNDER_CURSOR,
+            ON_HOVERED_CONTAINER => ON_HOVERED_CONTAINER,
+            ON_NEARBY_CONTAINERS => ON_NEARBY_CONTAINERS,
+            _ => ON_HOVERED_CONTAINER
+        };
+    }
+}

ChestPreview/ChestPreview/Core/ChestPreviewModSystem.cs

@@ -0,0 +1,111 @@
+using ChestPreview.Configs;
+using ChestPreview.Rendering;
+using System;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+using Vintagestory.API.Config;
+
+namespace ChestPreview.Core;
+
+public class ChestPreviewModSystem : ModSystem
+{
+    internal const string CONFIG_FILENAME = "chestpreview.json";
+    internal const string CONFIGLIB_DOMAIN = "chestpreview";
+    internal const string PREVIEW_CONTAINERS_HOTKEY_CODE = "chestpreview-preview-containers";
+    internal const string PREVIEW_CONTAINERS_NEARBY_HOTKEY_CODE = "chestpreview-preview-containers-nearby";
+
+    private Config config = new();
+    private CardRenderer? cardRenderer;
+    private ConfigLibBridge? configLibBridge;
+    private StorageHoverHudRenderer? storageHoverHudRenderer;
+    private WorldBillboardRenderer? worldBillboardRenderer;
+
+    public override bool ShouldLoad(EnumAppSide forSide) => forSide is EnumAppSide.Client;
+
+    public override void StartClientSide(ICoreClientAPI api)
+    {
+        config = LoadClientConfig(api);
+        RegisterHotkeys(api);
+        if (api.ModLoader.IsModEnabled(ConfigLibBridge.CONFIGLIB_MODID))
+            configLibBridge = ConfigLibBridge.TryCreate(api, config);
+        cardRenderer = new CardRenderer(api, config);
+
+        storageHoverHudRenderer = new StorageHoverHudRenderer(api, config, cardRenderer);
+        api.Event.RegisterRenderer(storageHoverHudRenderer, EnumRenderStage.Ortho, "chestpreview-storage-hover-hud");
+
+        worldBillboardRenderer = new WorldBillboardRenderer(api, config, cardRenderer);
+        api.Event.RegisterRenderer(worldBillboardRenderer, EnumRenderStage.AfterOIT, "chestpreview-world-billboard-preview");
+    }
+
+    public override void Dispose()
+    {
+        configLibBridge?.Dispose();
+        configLibBridge = null;
+
+        if (storageHoverHudRenderer is { } renderer)
+        {
+            renderer.Api.Event.UnregisterRenderer(renderer, EnumRenderStage.Ortho);
+            renderer.Dispose();
+            storageHoverHudRenderer = null;
+        }
+
+        if (worldBillboardRenderer is { } billboardRenderer)
+        {
+            billboardRenderer.Api.Event.UnregisterRenderer(billboardRenderer, EnumRenderStage.AfterOIT);
+            billboardRenderer.Dispose();
+            worldBillboardRenderer = null;
+        }
+
+        cardRenderer?.Dispose();
+        cardRenderer = null;
+    }
+
+    public Config LoadClientConfig(ICoreClientAPI api)
+    {
+        Config config;
+
+        try
+        {
+            config = api.LoadModConfig<Config>(CONFIG_FILENAME) ?? new Config();
+        }
+        catch (Exception ex)
+        {
+            Mod.Logger.Error("Error while loading config.");
+            Mod.Logger.Error(ex);
+            config = new Config();
+        }
+
+        config.Mode = PreviewModes.Normalize(config.Mode);
+        if (config.BillboardColumnsPerBlock <= 0)
+            config.BillboardColumnsPerBlock = 5;
+
+        if (config.ColumnsUnderCursor <= 0)
+            config.ColumnsUnderCursor = 10;
+
+        config.PreviewNearbyRadius = config.PreviewNearbyRadius;
+
+        api.StoreModConfig(config, CONFIG_FILENAME);
+        return config;
+    }
+
+    private static void RegisterHotkeys(ICoreClientAPI api)
+    {
+        api.Input.RegisterHotKey(
+            hotkeyCode: PREVIEW_CONTAINERS_HOTKEY_CODE,
+            name: Lang.Get("chestpreview:hotkey-preview-container"),
+            key: GlKeys.LShift,
+            type: HotkeyType.HelpAndOverlays,
+            altPressed: false,
+            ctrlPressed: false,
+            shiftPressed: false);
+
+        api.Input.RegisterHotKey(
+            hotkeyCode: PREVIEW_CONTAINERS_NEARBY_HOTKEY_CODE,
+            name: Lang.Get("chestpreview:hotkey-preview-containers-nearby"),
+            key: GlKeys.LShift,
+            type: HotkeyType.HelpAndOverlays,
+            altPressed: false,
+            ctrlPressed: true,
+            shiftPressed: false);
+    }
+}

ChestPreview/ChestPreview/Models/BillboardTarget.cs

@@ -0,0 +1,22 @@
+using Vintagestory.API.MathTools;
+
+namespace ChestPreview.Models;
+
+internal readonly struct BillboardTarget(PreviewTarget previewTarget, Vec3d center, Vec3f right, Vec3f up, Vec3f forward, float width, float height, bool isFrontPlacement)
+{
+    public PreviewTarget PreviewTarget { get; } = previewTarget;
+
+    public Vec3d Center { get; } = center;
+
+    public Vec3f Right { get; } = right;
+
+    public Vec3f Up { get; } = up;
+
+    public Vec3f Forward { get; } = forward;
+
+    public float Width { get; } = width;
+
+    public float Height { get; } = height;
+
+    public bool IsFrontPlacement { get; } = isFrontPlacement;
+}

ChestPreview/ChestPreview/Models/PreviewTarget.cs

@@ -0,0 +1,15 @@
+using Vintagestory.API.Common;
+using Vintagestory.API.MathTools;
+
+namespace ChestPreview.Models;
+
+internal readonly struct PreviewTarget(Block block, BlockEntity blockEntity, string mode, Vec3d anchor)
+{
+    public Block Block { get; } = block;
+
+    public BlockEntity BlockEntity { get; } = blockEntity;
+
+    public string Mode { get; } = mode;
+
+    public Vec3d Anchor { get; } = anchor;
+}

ChestPreview/ChestPreview/PreviewTargetProvider.cs

@@ -0,0 +1,284 @@
+using ChestPreview.Configs;
+using ChestPreview.Core;
+using ChestPreview.Models;
+using ChestPreview.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text.RegularExpressions;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+using Vintagestory.API.MathTools;
+using Vintagestory.API.Util;
+
+namespace ChestPreview;
+
+internal partial class PreviewTargetProvider(ICoreClientAPI api, Config config) : IDisposable
+{
+    private const float nearby_scan_interval_seconds = 0.1f;
+    private static readonly Regex list_separator_regex = ListSeparatorRegex();
+
+    private readonly ICoreClientAPI api = api;
+    private readonly Config config = config;
+    private readonly List<BlockEntity> nearbyContainerEntities = [];
+    private float nearbyScanAccumulator;
+
+    public void CollectTargets(float deltaTime, List<PreviewTarget> targets)
+    {
+        string mode = GetActiveMode();
+        if (mode == PreviewModes.NONE)
+            return;
+
+        if (mode == PreviewModes.ON_NEARBY_CONTAINERS)
+        {
+            CollectNearbyTargets(deltaTime, targets);
+            return;
+        }
+
+        if (!TryGetHoveredContainer(out Block hoveredBlock, out BlockEntity hoveredBlockEntity))
+            return;
+
+        if (!CanAccessContainer(hoveredBlockEntity))
+            return;
+
+        if (!IsContainerAllowed(hoveredBlock))
+            return;
+
+        targets.Add(new PreviewTarget(hoveredBlock, hoveredBlockEntity, mode, GetContainerAnchor(hoveredBlock, hoveredBlockEntity.Pos)));
+    }
+
+    public void Dispose()
+    {
+        nearbyContainerEntities.Clear();
+    }
+
+    private void CollectNearbyTargets(float deltaTime, List<PreviewTarget> targets)
+    {
+        nearbyScanAccumulator += deltaTime;
+        bool shouldRefresh = nearbyContainerEntities.Count == 0 || nearbyScanAccumulator >= nearby_scan_interval_seconds;
+
+        if (shouldRefresh)
+        {
+            RefreshNearbyContainers();
+            nearbyScanAccumulator = 0f;
+        }
+
+        foreach (BlockEntity blockEntity in nearbyContainerEntities)
+        {
+            Block block = api.World.BlockAccessor.GetBlock(blockEntity.Pos);
+            if (block.Id == 0)
+                continue;
+
+            if (!CanAccessContainer(blockEntity))
+                continue;
+
+            if (!IsContainerAllowed(block))
+                continue;
+
+            targets.Add(new PreviewTarget(block, blockEntity, PreviewModes.ON_NEARBY_CONTAINERS, GetContainerAnchor(block, blockEntity.Pos)));
+        }
+    }
+
+    private string GetActiveMode()
+    {
+        if (IsHotkeyHeld(ChestPreviewModSystem.PREVIEW_CONTAINERS_NEARBY_HOTKEY_CODE))
+            return PreviewModes.ON_NEARBY_CONTAINERS;
+
+        if (config.HoldKey && !IsHotkeyHeld(ChestPreviewModSystem.PREVIEW_CONTAINERS_HOTKEY_CODE))
+            return PreviewModes.NONE;
+
+        return PreviewModes.Normalize(config.Mode);
+    }
+
+    private bool IsHotkeyHeld(string hotkeyCode)
+    {
+        HotKey? hotKey = api.Input.GetHotKeyByCode(hotkeyCode);
+        if (hotKey?.CurrentMapping == null)
+            return false;
+
+        KeyCombination mapping = hotKey.CurrentMapping;
+        if (!IsKeyHeld(mapping.KeyCode))
+            return false;
+
+        if (mapping.SecondKeyCode.HasValue && !IsKeyHeld(mapping.SecondKeyCode.Value))
+            return false;
+
+        EntityControls? controls = api.World.Player?.Entity?.Controls;
+        if (mapping.Ctrl && controls?.CtrlKey != true)
+            return false;
+
+        if (mapping.Shift && controls?.ShiftKey != true)
+            return false;
+
+        return !mapping.Alt || IsAltHeld();
+    }
+
+    private bool IsKeyHeld(int keyCode)
+    {
+        bool[] keyStates = api.Input.KeyboardKeyStateRaw;
+        return keyCode >= 0 && keyCode < keyStates.Length && keyStates[keyCode];
+    }
+
+    private bool IsAltHeld()
+    {
+        return IsKeyHeld((int)GlKeys.AltLeft) || IsKeyHeld((int)GlKeys.AltRight);
+    }
+
+    private bool TryGetHoveredContainer(out Block block, out BlockEntity blockEntity)
+    {
+        block = null!;
+        blockEntity = null!;
+
+        BlockSelection? currentBlockSelection = api.World.Player?.CurrentBlockSelection;
+        if (currentBlockSelection == null)
+            return false;
+
+        BlockEntity? currentBlockEntity = api.World.BlockAccessor.GetBlockEntity(currentBlockSelection.Position);
+        if (currentBlockEntity is IBlockEntityContainer)
+        {
+            block = currentBlockSelection.Block;
+            blockEntity = currentBlockEntity;
+            return true;
+        }
+
+        if (!TryResolveMultiblockControllerContainer(currentBlockSelection, out Block controllerBlock, out BlockEntity controllerBlockEntity))
+            return false;
+
+        block = controllerBlock;
+        blockEntity = controllerBlockEntity;
+        return true;
+    }
+
+    private bool TryResolveMultiblockControllerContainer(BlockSelection blockSelection, out Block controllerBlock, out BlockEntity controllerBlockEntity)
+    {
+        controllerBlock = null!;
+        controllerBlockEntity = null!;
+
+        if (blockSelection.Block is not IMultiblockOffset multiblockOffset)
+            return false;
+
+        BlockPos controllerPos = multiblockOffset.GetControlBlockPos(blockSelection.Position);
+        BlockEntity? blockEntity = api.World.BlockAccessor.GetBlockEntity(controllerPos);
+        if (blockEntity is not IBlockEntityContainer)
+            return false;
+
+        controllerBlock = api.World.BlockAccessor.GetBlock(controllerPos);
+        if (controllerBlock.Id == 0)
+            return false;
+
+        controllerBlockEntity = blockEntity;
+        return true;
+    }
+
+    private void RefreshNearbyContainers()
+    {
+        nearbyContainerEntities.Clear();
+
+        EntityPlayer? playerEntity = api.World.Player?.Entity;
+        if (playerEntity?.CameraPos == null)
+            return;
+
+        float nearbyRadius = config.PreviewNearbyRadius;
+        float nearbyRadiusSquared = nearbyRadius * nearbyRadius;
+
+        Vec3d nearbyRadiusOffset = new(nearbyRadius, nearbyRadius, nearbyRadius);
+        BlockPos minPos = (playerEntity.CameraPos - nearbyRadiusOffset).AsBlockPos;
+        BlockPos maxPos = (playerEntity.CameraPos + nearbyRadiusOffset + new Vec3d(1d, 1d, 1d)).AsBlockPos;
+
+        api.World.BlockAccessor.WalkBlocks(minPos, maxPos, (block, x, y, z) =>
+        {
+            double horizontalDx = x + 0.5d - playerEntity.CameraPos.X;
+            double horizontalDz = z + 0.5d - playerEntity.CameraPos.Z;
+            if (horizontalDx * horizontalDx + horizontalDz * horizontalDz > nearbyRadiusSquared)
+                return;
+
+            if (Math.Abs(y + 0.5d - playerEntity.CameraPos.Y) > nearbyRadius)
+                return;
+
+            BlockEntity? blockEntity = api.World.BlockAccessor.GetBlockEntity(new BlockPos(x, y, z));
+            if (blockEntity is not IBlockEntityContainer)
+                return;
+
+            if (block.Id == 0)
+                return;
+
+            nearbyContainerEntities.Add(blockEntity);
+        });
+    }
+
+    private Vec3d GetContainerAnchor(Block block, BlockPos blockPos)
+    {
+        GetContainerBounds(block, blockPos, out Vector3 min, out Vector3 max);
+
+        Vector3 anchor = blockPos.ToVector3() + new Vector3((min.X + max.X) * 0.5f, max.Y + 0.1f, (min.Z + max.Z) * 0.5f);
+        return anchor.ToVec3d();
+    }
+
+    private void GetContainerBounds(Block block, BlockPos blockPos, out Vector3 min, out Vector3 max)
+    {
+        Cuboidf[]? selectionBoxes = block.GetSelectionBoxes(api.World.BlockAccessor, blockPos);
+
+        min = new Vector3(0f, 0f, 0f);
+        max = new Vector3(1f, 1f, 1f);
+
+        if (selectionBoxes is not { Length: > 0 })
+            return;
+
+        foreach (Cuboidf selectionBox in selectionBoxes)
+        {
+            min = Vector3.Min(min, selectionBox.Start.ToVector3());
+            max = Vector3.Max(max, selectionBox.End.ToVector3());
+        }
+    }
+
+    private bool CanAccessContainer(BlockEntity blockEntity)
+    {
+        if (blockEntity is not IBlockEntityContainer container || container.Inventory is not InventoryBase inventory)
+            return false;
+
+        IPlayer? player = api.World.Player;
+        EntityPlayer? playerEntity = player?.Entity;
+        if (player == null || playerEntity == null)
+            return false;
+
+        return inventory.CanPlayerAccess(player, playerEntity.Pos);
+    }
+
+    private bool IsContainerAllowed(Block block)
+    {
+        string? code = block.Code?.Path;
+        if (string.IsNullOrWhiteSpace(code))
+            return true;
+
+        HashSet<string> blacklist = ParseContainerCodes(config.BlacklistedContainers);
+        if (blacklist.Any(x => WildcardUtil.Match(x, code)))
+            return false;
+
+        if (!config.WhitelistedContainersOnly)
+            return true;
+
+        HashSet<string> whitelist = ParseContainerCodes(config.WhitelistedContainers);
+        return whitelist.Any(x => WildcardUtil.Match(x, code));
+    }
+
+    private static HashSet<string> ParseContainerCodes(string rawList)
+    {
+        if (string.IsNullOrWhiteSpace(rawList))
+            return [];
+
+        string[] entries = list_separator_regex.Split(rawList.Trim());
+        HashSet<string> result = new(StringComparer.OrdinalIgnoreCase);
+
+        foreach (string entry in entries)
+        {
+            if (!string.IsNullOrWhiteSpace(entry))
+                result.Add(entry);
+        }
+
+        return result;
+    }
+
+    [GeneratedRegex("[,;\\s]+", RegexOptions.Compiled)]
+    private static partial Regex ListSeparatorRegex();
+}

ChestPreview/ChestPreview/Properties/launchSettings.json

@@ -0,0 +1,10 @@
+{
+  "profiles": {
+    "Client": {
+      "commandName": "Executable",
+      "executablePath": "dotnet",
+      "commandLineArgs": "\"$(VINTAGE_STORY)/Vintagestory.dll\" --tracelog --addModPath \"$(ProjectDir)/bin/$(Configuration)/Mods\" --addOrigin \"$(ProjectDir)/assets\"$(VintageStoryDataPathArgs)",
+      "workingDirectory": "$(VINTAGE_STORY)"
+    }
+  }
+}

ChestPreview/ChestPreview/Rendering/CardRenderer.cs

@@ -0,0 +1,525 @@
+using Cairo;
+using ChestPreview.Configs;
+using ChestPreview.Models;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+using Vintagestory.API.Config;
+using Vintagestory.API.MathTools;
+
+namespace ChestPreview.Rendering;
+
+internal class CardRenderer(ICoreClientAPI api, Config config) : IDisposable
+{
+    private static readonly int rendered_icon_size = 64;
+    private static readonly float hud_z = 0f;
+    private static readonly double hud_outer_alpha = 0.36d;
+    private static readonly float cell_padding = 10f;
+    private static readonly float cell_gap = 6f;
+    private static readonly float cell_width = 72f;
+    private static readonly float cell_height = 86f;
+    private static readonly float icon_size = 64f;
+    private static readonly double count_font_size = 20d;
+    private static readonly float count_anchor_inset = 2f;
+
+    private readonly ICoreClientAPI api = api;
+    private readonly Config config = config;
+    private readonly Dictionary<string, CachedCardTexture> cardTextureByTarget = [];
+    private readonly Dictionary<int, LoadedTexture> atlasTextureById = [];
+    private readonly Dictionary<string, RenderedIconEntry> renderedIconByStack = [];
+    private int iconRenderVersion;
+
+    public static float Width => GetCardWidth(1);
+
+    public static float Height => GetCardHeight(1);
+
+    public bool TryGetOrCreateCardTexture(PreviewTarget target, out LoadedTexture texture)
+    {
+        return TryGetOrCreateCardTexture(target, GetDefaultMaxColumns(target), out texture);
+    }
+
+    public bool TryGetOrCreateCardTexture(PreviewTarget target, int maxColumns, out LoadedTexture texture)
+    {
+        texture = null!;
+
+        if (target.BlockEntity is not IBlockEntityContainer container || container.Inventory is not InventoryBase inventory)
+            return false;
+
+        IPlayer? player = api.World.Player;
+        EntityPlayer? playerEntity = player?.Entity;
+        if (player == null || playerEntity == null || !inventory.CanPlayerAccess(player, playerEntity.Pos))
+            return false;
+
+        string targetKey = CreateTargetKey(target.BlockEntity.Pos);
+        if (!cardTextureByTarget.TryGetValue(targetKey, out CachedCardTexture? cachedTexture))
+        {
+            cachedTexture = new CachedCardTexture(new LoadedTexture(api), string.Empty);
+            cardTextureByTarget[targetKey] = cachedTexture;
+        }
+
+        BuildLayout(inventory, maxColumns, out List<GroupedItemCell> cells, out int usedColumns, out int usedRows, out string fingerprint);
+        if (cachedTexture.Fingerprint != fingerprint)
+        {
+            ComposeTexture(cachedTexture.Texture, cells, usedColumns, usedRows);
+            cachedTexture.Fingerprint = fingerprint;
+        }
+
+        texture = cachedTexture.Texture;
+        return texture.TextureId != 0;
+    }
+
+    public void DrawAtScreen(float x, float y, LoadedTexture texture)
+    {
+        if (texture.TextureId == 0)
+            return;
+
+        api.Render.RenderTexture(texture.TextureId, x, y, texture.Width, texture.Height, hud_z, new Vec4f(1f, 1f, 1f, 1f));
+    }
+
+    public void ClampToScreen(ref float x, ref float y)
+    {
+        ClampToScreen(ref x, ref y, Width, Height);
+    }
+
+    public void ClampToScreen(ref float x, ref float y, float cardWidth, float cardHeight)
+    {
+        float max_x = api.Render.FrameWidth - cardWidth;
+        float max_y = api.Render.FrameHeight - cardHeight;
+
+        x = Math.Clamp(x, 0f, max_x);
+        y = Math.Clamp(y, 0f, max_y);
+    }
+
+    public void Dispose()
+    {
+        foreach (CachedCardTexture cardTexture in cardTextureByTarget.Values)
+            cardTexture.Texture.Dispose();
+
+        cardTextureByTarget.Clear();
+        atlasTextureById.Clear();
+        renderedIconByStack.Clear();
+    }
+
+    private void BuildLayout(IInventory inventory, int maxColumns, out List<GroupedItemCell> cells, out int usedColumns, out int usedRows, out string fingerprint)
+    {
+        List<GroupedItemCell> groupedItems = [];
+        int naturalOrder = 0;
+
+        foreach (ItemSlot? slot in inventory)
+        {
+            if (slot == null || slot.Empty || slot.Itemstack == null)
+                continue;
+
+            ItemStack stack = slot.Itemstack;
+            int existingIndex = FindMatchingItemIndex(groupedItems, stack);
+            if (existingIndex >= 0)
+            {
+                GroupedItemCell existing = groupedItems[existingIndex];
+                existing.Count += stack.StackSize;
+                continue;
+            }
+
+            ItemStack representativeStack = stack.Clone();
+            representativeStack.StackSize = 1;
+            groupedItems.Add(new GroupedItemCell(representativeStack, stack.StackSize, naturalOrder));
+            naturalOrder++;
+        }
+
+        groupedItems.Sort(static (left, right) =>
+        {
+            int countComparison = right.Count.CompareTo(left.Count);
+            return countComparison != 0 ? countComparison : left.NaturalOrder.CompareTo(right.NaturalOrder);
+        });
+
+        maxColumns = Math.Max(1, maxColumns);
+        usedColumns = GetUsedColumnCount(groupedItems.Count, maxColumns);
+        usedRows = GetRowCount(groupedItems.Count, maxColumns);
+
+        cells = groupedItems;
+        fingerprint = BuildFingerprint(cells, maxColumns, usedColumns, usedRows);
+    }
+
+    private int FindMatchingItemIndex(List<GroupedItemCell> groupedItems, ItemStack stack)
+    {
+        for (int i = 0; i < groupedItems.Count; i++)
+        {
+            if (AreStacksEquivalent(groupedItems[i].Stack, stack))
+                return i;
+        }
+
+        return -1;
+    }
+
+    private bool AreStacksEquivalent(ItemStack left, ItemStack right)
+    {
+        if (left.Class != right.Class || left.Id != right.Id)
+            return false;
+
+        ItemStack leftComparable = left.Clone();
+        ItemStack rightComparable = right.Clone();
+        leftComparable.StackSize = 1;
+        rightComparable.StackSize = 1;
+        return leftComparable.Equals(api.World, rightComparable, GlobalConstants.IgnoredStackAttributes);
+    }
+
+    private string BuildFingerprint(List<GroupedItemCell> cells, int maxColumns, int usedColumns, int usedRows)
+    {
+        StringBuilder builder = new();
+        builder.Append('m');
+        builder.Append(maxColumns);
+        builder.Append('|');
+        builder.Append('w');
+        builder.Append(GetCardWidth(usedColumns).ToString(CultureInfo.InvariantCulture));
+        builder.Append('h');
+        builder.Append(GetCardHeight(usedRows).ToString(CultureInfo.InvariantCulture));
+        builder.Append('|');
+        builder.Append("iv");
+        builder.Append(iconRenderVersion);
+        builder.Append('|');
+
+        foreach (GroupedItemCell cell in cells)
+        {
+            builder.Append((int)cell.Stack.Class);
+            builder.Append(':');
+            builder.Append(cell.Stack.Id);
+            builder.Append(':');
+            builder.Append(cell.Count);
+            builder.Append(':');
+            builder.Append(HashBytes(cell.Stack.ToBytes()));
+            builder.Append('|');
+        }
+
+        return builder.ToString();
+    }
+
+    private static uint HashBytes(byte[] bytes)
+    {
+        const uint offset_basis = 2166136261;
+        const uint prime = 16777619;
+
+        uint hash = offset_basis;
+        for (int i = 0; i < bytes.Length; i++)
+            hash = (hash ^ bytes[i]) * prime;
+
+        return hash;
+    }
+
+    private void ComposeTexture(LoadedTexture targetTexture, List<GroupedItemCell> cells, int usedColumns, int usedRows)
+    {
+        float hudWidth = GetCardWidth(usedColumns);
+        float hudHeight = GetCardHeight(usedRows);
+
+        using ImageSurface surface = new(Format.Argb32, (int)hudWidth, (int)hudHeight);
+        using Context context = new(surface);
+
+        context.Operator = Operator.Source;
+        context.SetSourceRGBA(0d, 0d, 0d, 0d);
+        context.Paint();
+
+        context.SetSourceRGBA(0.28d, 0.28d, 0.28d, hud_outer_alpha);
+        context.Rectangle(0d, 0d, hudWidth, hudHeight);
+        context.Fill();
+
+        context.SelectFontFace("sans", FontSlant.Normal, FontWeight.Bold);
+        context.SetFontSize(count_font_size);
+
+        api.Gui.LoadOrUpdateCairoTexture(surface, true, ref targetTexture);
+
+        for (int i = 0; i < cells.Count; i++)
+        {
+            GroupedItemCell cell = cells[i];
+            if (!TryGetCellBounds(i, usedColumns, hudWidth, hudHeight, out float cellX, out float cellY))
+                continue;
+
+            if (!TryGetIconTexture(cell.Stack, out LoadedTexture atlasTexture, out TextureAtlasPosition textureAtlasPosition))
+                continue;
+
+            float sourceX = textureAtlasPosition.x1 * atlasTexture.Width;
+            float sourceY = textureAtlasPosition.y1 * atlasTexture.Height;
+            float sourceWidth = (textureAtlasPosition.x2 - textureAtlasPosition.x1) * atlasTexture.Width;
+            float sourceHeight = (textureAtlasPosition.y2 - textureAtlasPosition.y1) * atlasTexture.Height;
+
+            float iconX = cellX + (cell_width - icon_size) / 2f;
+            float iconY = cellY + 1f;
+
+            api.Render.RenderTextureIntoTexture(atlasTexture, sourceX, sourceY, sourceWidth, sourceHeight, targetTexture, iconX, iconY, 0.01f);
+        }
+
+        using ImageSurface labelsSurface = new(Format.Argb32, (int)hudWidth, (int)hudHeight);
+        using Context labelsContext = new(labelsSurface);
+        LoadedTexture labelsTexture = new(api);
+
+        labelsContext.Operator = Operator.Source;
+        labelsContext.SetSourceRGBA(0d, 0d, 0d, 0d);
+        labelsContext.Paint();
+        labelsContext.SelectFontFace("sans", FontSlant.Normal, FontWeight.Bold);
+        labelsContext.SetFontSize(count_font_size);
+
+        for (int i = 0; i < cells.Count; i++)
+        {
+            GroupedItemCell cell = cells[i];
+            if (!TryGetCellBounds(i, usedColumns, hudWidth, hudHeight, out float cellX, out float cellY))
+                continue;
+
+            float iconX = cellX + (cell_width - icon_size) / 2f;
+            float iconY = cellY + 1f;
+            float iconRight = iconX + icon_size - count_anchor_inset;
+            float iconBottom = iconY + icon_size - count_anchor_inset;
+
+            string countText = cell.Count.ToString(CultureInfo.InvariantCulture);
+            TextExtents textExtents = labelsContext.TextExtents(countText);
+
+            double textX = iconRight - (textExtents.Width + textExtents.XBearing);
+            double textY = iconBottom - (textExtents.Height + textExtents.YBearing);
+
+            labelsContext.SetSourceRGBA(0d, 0d, 0d, 0.95d);
+            labelsContext.MoveTo(textX + 1d, textY + 1d);
+            labelsContext.ShowText(countText);
+
+            labelsContext.SetSourceRGBA(1d, 1d, 1d, 1d);
+            labelsContext.MoveTo(textX, textY);
+            labelsContext.ShowText(countText);
+        }
+
+        try
+        {
+            api.Gui.LoadOrUpdateCairoTexture(labelsSurface, true, ref labelsTexture);
+            api.Render.RenderTextureIntoTexture(labelsTexture, 0f, 0f, labelsTexture.Width, labelsTexture.Height, targetTexture, 0f, 0f, 0.01f);
+        }
+        finally
+        {
+            labelsTexture.Dispose();
+        }
+
+        api.Render.BindTexture2d(targetTexture.TextureId);
+    }
+
+    private bool TryGetIconTexture(ItemStack stack, out LoadedTexture atlasTexture, out TextureAtlasPosition textureAtlasPosition)
+    {
+        if (TryGetRenderedItemIcon(stack, out atlasTexture, out textureAtlasPosition))
+            return true;
+
+        TextureAtlasPosition fallbackTextureAtlasPosition = api.Render.GetTextureAtlasPosition(stack);
+        if (fallbackTextureAtlasPosition == null || !TryGetAtlasTexture(fallbackTextureAtlasPosition, out atlasTexture))
+            return false;
+
+        textureAtlasPosition = fallbackTextureAtlasPosition;
+        return true;
+    }
+
+    private bool TryGetRenderedItemIcon(ItemStack stack, out LoadedTexture atlasTexture, out TextureAtlasPosition textureAtlasPosition)
+    {
+        atlasTexture = null!;
+        textureAtlasPosition = null!;
+
+        string key = BuildStackKey(stack);
+        if (!renderedIconByStack.TryGetValue(key, out RenderedIconEntry? entry))
+        {
+            entry = new RenderedIconEntry(stack.Clone());
+            renderedIconByStack[key] = entry;
+        }
+
+        if (!entry.Requested)
+        {
+            entry.Requested = true;
+            api.Render.RenderItemStackToAtlas(
+                entry.Stack,
+                api.ItemTextureAtlas,
+                rendered_icon_size,
+                textureSubId =>
+                {
+                    entry.TextureSubId = textureSubId;
+                    entry.Ready = true;
+                    iconRenderVersion++;
+                },
+                ColorUtil.WhiteArgb,
+                0f,
+                1f
+            );
+        }
+
+        if (!entry.Ready)
+            return false;
+
+        if (!TryGetAtlasPosition(api.ItemTextureAtlas, entry.TextureSubId, out TextureAtlasPosition texPos))
+            return false;
+
+        if (!TryGetAtlasTexture(api.ItemTextureAtlas, texPos.atlasNumber, out LoadedTexture tex))
+            return false;
+
+        atlasTexture = tex;
+        textureAtlasPosition = texPos;
+        return true;
+    }
+
+    private bool TryGetAtlasTexture(TextureAtlasPosition textureAtlasPosition, out LoadedTexture atlasTexture)
+    {
+        atlasTexture = null!;
+
+        int textureId = textureAtlasPosition.atlasTextureId;
+        if (textureId <= 0)
+            return false;
+
+        if (atlasTextureById.TryGetValue(textureId, out LoadedTexture? cachedAtlasTexture))
+        {
+            atlasTexture = cachedAtlasTexture;
+            return true;
+        }
+
+        int atlasSize = ResolveAtlasSize(textureId);
+        if (atlasSize <= 0)
+            return false;
+
+        atlasTexture = new LoadedTexture(api, textureId, atlasSize, atlasSize)
+        {
+            IgnoreUndisposed = true
+        };
+
+        atlasTextureById[textureId] = atlasTexture;
+        return true;
+    }
+
+    private int ResolveAtlasSize(int textureId)
+    {
+        if (TryGetAtlasSize(api.ItemTextureAtlas, textureId, out int itemAtlasSize))
+            return itemAtlasSize;
+
+        if (TryGetAtlasSize(api.BlockTextureAtlas, textureId, out int blockAtlasSize))
+            return blockAtlasSize;
+
+        if (TryGetAtlasSize(api.EntityTextureAtlas, textureId, out int entityAtlasSize))
+            return entityAtlasSize;
+
+        return 0;
+    }
+
+    private static bool TryGetAtlasPosition(ITextureAtlasAPI atlas, int textureSubId, out TextureAtlasPosition textureAtlasPosition)
+    {
+        textureAtlasPosition = null!;
+        if (atlas.Positions == null || textureSubId < 0 || textureSubId >= atlas.Positions.Length)
+            return false;
+
+        textureAtlasPosition = atlas.Positions[textureSubId];
+        return textureAtlasPosition != null;
+    }
+
+    private static bool TryGetAtlasTexture(ITextureAtlasAPI? atlas, int atlasNumber, out LoadedTexture texture)
+    {
+        texture = null!;
+        if (atlas == null || atlas.AtlasTextures == null || atlasNumber < 0 || atlasNumber >= atlas.AtlasTextures.Count)
+            return false;
+
+        LoadedTexture atlasTexture = atlas.AtlasTextures[atlasNumber];
+        if (atlasTexture.TextureId == 0)
+            return false;
+
+        texture = atlasTexture;
+        return true;
+    }
+
+    private static bool TryGetAtlasSize(ITextureAtlasAPI? atlas, int textureId, out int size)
+    {
+        size = 0;
+        if (atlas == null || atlas.AtlasTextures == null)
+            return false;
+
+        foreach (LoadedTexture atlasTexture in atlas.AtlasTextures)
+        {
+            if (atlasTexture.TextureId != textureId)
+                continue;
+
+            size = atlasTexture.Width;
+            if (size > 0)
+                return true;
+        }
+
+        return false;
+    }
+
+    private static string CreateTargetKey(BlockPos blockPos)
+    {
+        return $"{blockPos.X}:{blockPos.Y}:{blockPos.Z}";
+    }
+
+    private static string BuildStackKey(ItemStack stack)
+    {
+        return $"{(int)stack.Class}:{stack.Id}:{HashBytes(stack.ToBytes())}";
+    }
+
+    private static bool TryGetCellBounds(int index, int maxColumns, float hudWidth, float hudHeight, out float x, out float y)
+    {
+        int row = index / maxColumns;
+        int column = index % maxColumns;
+
+        x = cell_padding + column * (cell_width + cell_gap);
+        y = cell_padding + row * (cell_height + cell_gap);
+        if (x + cell_width > hudWidth - cell_padding || y + cell_height > hudHeight - cell_padding)
+            return false;
+
+        return true;
+    }
+
+    private static float GetCardWidth(int maxColumns)
+    {
+        return cell_padding * 2f + maxColumns * cell_width + (maxColumns - 1) * cell_gap;
+    }
+
+    private static float GetCardHeight(int rows)
+    {
+        return cell_padding * 2f + rows * cell_height + (rows - 1) * cell_gap;
+    }
+
+    private static int GetRowCount(int itemCount, int maxColumns)
+    {
+        int safeMaxColumns = Math.Max(1, maxColumns);
+        int safeItemCount = Math.Max(1, itemCount);
+        return (safeItemCount + safeMaxColumns - 1) / safeMaxColumns;
+    }
+
+    private static int GetUsedColumnCount(int itemCount, int maxColumns)
+    {
+        int safeMaxColumns = Math.Max(1, maxColumns);
+        if (itemCount <= 0)
+            return 1;
+
+        return Math.Min(itemCount, safeMaxColumns);
+    }
+
+    private int GetDefaultMaxColumns(PreviewTarget target)
+    {
+        if (target.Mode == PreviewModes.UNDER_CURSOR)
+            return Math.Max(1, config.ColumnsUnderCursor <= 0 ? 1 : config.ColumnsUnderCursor);
+
+        return Math.Max(1, config.BillboardColumnsPerBlock <= 0 ? 1 : config.BillboardColumnsPerBlock);
+    }
+
+    private class CachedCardTexture(LoadedTexture texture, string fingerprint)
+    {
+        public LoadedTexture Texture { get; } = texture;
+
+        public string Fingerprint { get; set; } = fingerprint;
+    }
+
+    private class GroupedItemCell(ItemStack stack, int count, int naturalOrder)
+    {
+        public ItemStack Stack { get; } = stack;
+
+        public int Count { get; set; } = count;
+
+        public int NaturalOrder { get; } = naturalOrder;
+    }
+
+    private class RenderedIconEntry(ItemStack stack)
+    {
+        public ItemStack Stack { get; } = stack;
+
+        public bool Requested { get; set; }
+
+        public bool Ready { get; set; }
+
+        public int TextureSubId { get; set; } = -1;
+    }
+}

ChestPreview/ChestPreview/Rendering/StorageHoverHudRenderer.cs

@@ -0,0 +1,57 @@
+using ChestPreview.Configs;
+using ChestPreview.Models;
+using System.Collections.Generic;
+using Vintagestory.API.Client;
+
+namespace ChestPreview.Rendering;
+
+internal sealed class StorageHoverHudRenderer(ICoreClientAPI api, Config config, CardRenderer cardRenderer) : IRenderer
+{
+    private const float hud_offset_y = 24f;
+    private readonly List<PreviewTarget> frameTargets = [];
+    private readonly CardRenderer cardRenderer = cardRenderer;
+    private readonly PreviewTargetProvider targetProvider = new(api, config);
+
+    public ICoreClientAPI Api { get; } = api;
+
+    public double RenderOrder => 5;
+
+    public int RenderRange => 0;
+
+    public void OnRenderFrame(float deltaTime, EnumRenderStage stage)
+    {
+        frameTargets.Clear();
+        targetProvider.CollectTargets(deltaTime, frameTargets);
+
+        foreach (PreviewTarget target in frameTargets)
+            DrawHudForTarget(target);
+    }
+
+    public void Dispose()
+    {
+        frameTargets.Clear();
+        targetProvider.Dispose();
+    }
+
+    private void DrawHudForTarget(PreviewTarget target)
+    {
+        if (target.Mode is not PreviewModes.UNDER_CURSOR)
+            return;
+
+        if (!cardRenderer.TryGetOrCreateCardTexture(target, out LoadedTexture texture))
+            return;
+
+        if (!TryGetHudPosition(texture.Width, texture.Height, out float x, out float y))
+            return;
+
+        cardRenderer.DrawAtScreen(x, y, texture);
+    }
+
+    private bool TryGetHudPosition(float cardWidth, float cardHeight, out float x, out float y)
+    {
+        x = Api.Input.MouseX - cardWidth / 2f;
+        y = Api.Input.MouseY + hud_offset_y;
+        cardRenderer.ClampToScreen(ref x, ref y, cardWidth, cardHeight);
+        return true;
+    }
+}

ChestPreview/ChestPreview/Rendering/WorldBillboardPresenter.cs

@@ -0,0 +1,329 @@
+using ChestPreview.Configs;
+using ChestPreview.Models;
+using ChestPreview.Utils;
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+using Vintagestory.API.MathTools;
+using Vintagestory.GameContent;
+
+namespace ChestPreview.Rendering;
+
+internal class WorldBillboardPresenter(ICoreClientAPI api)
+{
+    private const int multiblock_scan_radius = 2;
+    private static readonly float front_face_offset = 0.01f;
+
+    private readonly ICoreClientAPI api = api;
+    private readonly List<BillboardTarget> frameBillboards = [];
+
+    public IReadOnlyList<BillboardTarget> FrameBillboards => frameBillboards;
+
+    public void PrepareFrame(List<PreviewTarget> previewTargets)
+    {
+        frameBillboards.Clear();
+
+        foreach (PreviewTarget previewTarget in previewTargets)
+        {
+            if (!CanPresentAsBillboard(previewTarget))
+                continue;
+
+            if (!TryCreateBillboardTarget(previewTarget, out BillboardTarget billboardTarget))
+                continue;
+
+            frameBillboards.Add(billboardTarget);
+        }
+    }
+
+    public void Clear()
+    {
+        frameBillboards.Clear();
+    }
+
+    private static bool CanPresentAsBillboard(PreviewTarget previewTarget)
+    {
+        return previewTarget.Mode is PreviewModes.ON_HOVERED_CONTAINER or PreviewModes.ON_NEARBY_CONTAINERS;
+    }
+
+    private bool TryCreateBillboardTarget(PreviewTarget previewTarget, out BillboardTarget billboardTarget)
+    {
+        return TryCreateFrontBillboardTarget(previewTarget, out billboardTarget);
+    }
+
+    private bool TryCreateFrontBillboardTarget(PreviewTarget previewTarget, out BillboardTarget billboardTarget)
+    {
+        billboardTarget = default;
+
+        Block block = previewTarget.Block;
+        BlockPos blockPos = previewTarget.BlockEntity.Pos;
+        GetContainerBounds(block, blockPos, out Vector3 min, out Vector3 max);
+
+        if (!TryResolveFacingNormal(previewTarget.Block, previewTarget.BlockEntity, out Vec3f forward, out Vec3f right, out Vec3f up))
+            return false;
+
+        Vector3 centerLocal = (min + max) * 0.5f;
+        Vector3 halfExtents = (max - min) * 0.5f;
+        Vector3 rightVector = right.ToVector3();
+        Vector3 upVector = up.ToVector3();
+        Vector3 forwardVector = forward.ToVector3();
+
+        float halfWidth = Vector3.Dot(Vector3.Abs(rightVector), halfExtents);
+        float halfHeight = Vector3.Dot(Vector3.Abs(upVector), halfExtents);
+        float halfDepth = ResolveStableHalfDepth(forwardVector, halfExtents);
+
+        float width = halfWidth * 2f;
+        float height = halfHeight * 2f;
+
+        Vector3 center = blockPos.ToVector3() + centerLocal + forwardVector * (halfDepth + front_face_offset);
+
+        width = Math.Max(0.05f, width);
+        height = Math.Max(0.05f, height);
+
+        billboardTarget = new BillboardTarget(previewTarget, center.ToVec3d(), right, up, forward, width, height, true);
+        return true;
+    }
+
+    private static float ResolveStableHalfDepth(Vector3 forward, Vector3 halfExtents)
+    {
+        if (MathF.Abs(forward.Y) < 0.5f)
+            return MathF.Abs(forward.X) >= MathF.Abs(forward.Z) ? halfExtents.X : halfExtents.Z;
+
+        return MathF.Abs(forward.Y) >= MathF.Abs(forward.Z) ? halfExtents.Y : halfExtents.Z;
+    }
+
+    private void GetContainerBounds(Block block, BlockPos blockPos, out Vector3 min, out Vector3 max)
+    {
+        min = new Vector3(0f, 0f, 0f);
+        max = new Vector3(1f, 1f, 1f);
+
+        ExpandBoundsFromSelectionBoxes(block, blockPos, blockPos, ref min, ref max);
+        ExpandBoundsFromLinkedMultiblockParts(blockPos, ref min, ref max);
+    }
+
+    private void ExpandBoundsFromLinkedMultiblockParts(BlockPos controllerPos, ref Vector3 min, ref Vector3 max)
+    {
+        int minScanX = controllerPos.X - multiblock_scan_radius;
+        int maxScanX = controllerPos.X + multiblock_scan_radius;
+        int minScanY = controllerPos.Y - multiblock_scan_radius;
+        int maxScanY = controllerPos.Y + multiblock_scan_radius;
+        int minScanZ = controllerPos.Z - multiblock_scan_radius;
+        int maxScanZ = controllerPos.Z + multiblock_scan_radius;
+        Vector3 minLocal = min;
+        Vector3 maxLocal = max;
+
+        api.World.BlockAccessor.WalkBlocks(new BlockPos(minScanX, minScanY, minScanZ), new BlockPos(maxScanX, maxScanY, maxScanZ), (partBlock, x, y, z) =>
+        {
+            if (x == controllerPos.X && y == controllerPos.Y && z == controllerPos.Z)
+                return;
+
+            if (partBlock.Id == 0 || partBlock is not IMultiblockOffset multiblockOffset)
+                return;
+
+            BlockPos partPos = new(x, y, z);
+            BlockPos linkedControllerPos = multiblockOffset.GetControlBlockPos(partPos);
+            if (!IsSameBlockPos(linkedControllerPos, controllerPos))
+                return;
+
+            ExpandBoundsFromSelectionBoxes(partBlock, partPos, controllerPos, ref minLocal, ref maxLocal);
+        });
+
+        min = minLocal;
+        max = maxLocal;
+    }
+
+    private void ExpandBoundsFromSelectionBoxes(Block block, BlockPos sourcePos, BlockPos originPos, ref Vector3 min, ref Vector3 max)
+    {
+        Cuboidf[]? selectionBoxes = block.GetSelectionBoxes(api.World.BlockAccessor, sourcePos);
+        Vector3 sourceOffset = sourcePos.ToVector3() - originPos.ToVector3();
+        if (selectionBoxes is not { Length: > 0 })
+        {
+            min = Vector3.Min(min, sourceOffset);
+            max = Vector3.Max(max, sourceOffset + Vector3.One);
+            return;
+        }
+
+        foreach (Cuboidf selectionBox in selectionBoxes)
+        {
+            min = Vector3.Min(min, sourceOffset + selectionBox.Start.ToVector3());
+            max = Vector3.Max(max, sourceOffset + selectionBox.End.ToVector3());
+        }
+    }
+
+    private static bool IsSameBlockPos(BlockPos a, BlockPos b)
+    {
+        return a.X == b.X && a.Y == b.Y && a.Z == b.Z;
+    }
+
+    private bool TryResolveFacingNormal(Block block, BlockEntity blockEntity, out Vec3f forward, out Vec3f right, out Vec3f up)
+    {
+        forward = new Vec3f(0f, 0f, 1f);
+        right = new Vec3f(1f, 0f, 0f);
+        up = new Vec3f(0f, 1f, 0f);
+
+        if (TryGetMeshAngle(blockEntity, out float meshAngleRadians))
+        {
+            // MeshAngle is around Y axis in radians.
+            forward = new Vec3f(MathF.Sin(meshAngleRadians), 0f, MathF.Cos(meshAngleRadians));
+            NormalizeFacing(ref forward);
+            BuildBasisFromForward(forward, out right, out up);
+            return true;
+        }
+
+        if (TryGetBlockSideFacing(block, out forward))
+        {
+            BuildBasisFromForward(forward, out right, out up);
+            return true;
+        }
+
+        if (!TryGetPlayerFacing(blockEntity.Pos, out forward))
+            return false;
+
+        BuildBasisFromForward(forward, out right, out up);
+        return true;
+    }
+
+    private bool TryGetPlayerFacing(BlockPos blockPos, out Vec3f facing)
+    {
+        facing = new Vec3f(0f, 0f, 1f);
+
+        EntityPlayer? playerEntity = api.World.Player?.Entity;
+        if (playerEntity?.CameraPos == null)
+            return false;
+
+        Vec3d cameraPos = playerEntity.CameraPos + playerEntity.LocalEyePos;
+        double dx = cameraPos.X - (blockPos.X + 0.5d);
+        double dz = cameraPos.Z - (blockPos.Z + 0.5d);
+        if (Math.Abs(dx) <= 0.0001d && Math.Abs(dz) <= 0.0001d)
+            return false;
+
+        double absDx = Math.Abs(dx);
+        double absDz = Math.Abs(dz);
+        double diagonalTolerance = Math.Max(absDx, absDz) * 0.65d;
+        bool isDiagonalView = Math.Abs(absDx - absDz) <= diagonalTolerance;
+        if (isDiagonalView)
+        {
+            Vec3f facingX = dx >= 0d ? new Vec3f(1f, 0f, 0f) : new Vec3f(-1f, 0f, 0f);
+            Vec3f facingZ = dz >= 0d ? new Vec3f(0f, 0f, 1f) : new Vec3f(0f, 0f, -1f);
+
+            int obstructionX = GetFacingObstructionScore(blockPos, facingX);
+            int obstructionZ = GetFacingObstructionScore(blockPos, facingZ);
+            if (obstructionX != obstructionZ)
+            {
+                facing = obstructionX < obstructionZ ? facingX : facingZ;
+                return true;
+            }
+        }
+
+        facing = absDx >= absDz
+            ? (dx >= 0d ? new Vec3f(1f, 0f, 0f) : new Vec3f(-1f, 0f, 0f))
+            : (dz >= 0d ? new Vec3f(0f, 0f, 1f) : new Vec3f(0f, 0f, -1f));
+
+        return true;
+    }
+
+    private int GetFacingObstructionScore(BlockPos blockPos, Vec3f facing)
+    {
+        int offsetX = Math.Sign(facing.X);
+        int offsetZ = Math.Sign(facing.Z);
+        int score = 0;
+
+        for (int yOffset = 0; yOffset <= 1; yOffset++)
+        {
+            BlockPos checkPos = new(blockPos.X + offsetX, blockPos.Y + yOffset, blockPos.Z + offsetZ);
+            if (IsSolidBlock(checkPos))
+                score++;
+        }
+
+        return score;
+    }
+
+    private bool IsSolidBlock(BlockPos blockPos)
+    {
+        Block block = api.World.BlockAccessor.GetBlock(blockPos);
+        if (block.Id == 0)
+            return false;
+
+        Cuboidf[]? collisionBoxes = block.GetCollisionBoxes(api.World.BlockAccessor, blockPos);
+        return collisionBoxes is { Length: > 0 };
+    }
+
+    private static bool TryGetBlockSideFacing(Block block, out Vec3f facing)
+    {
+        facing = new Vec3f(0f, 0f, 1f);
+
+        string? side = block.Variant?["side"];
+        if (string.IsNullOrWhiteSpace(side))
+            return false;
+
+        switch (side.ToLowerInvariant())
+        {
+            case "north":
+                facing = new Vec3f(0f, 0f, -1f);
+                return true;
+            case "south":
+                facing = new Vec3f(0f, 0f, 1f);
+                return true;
+            case "east":
+                facing = new Vec3f(1f, 0f, 0f);
+                return true;
+            case "west":
+                facing = new Vec3f(-1f, 0f, 0f);
+                return true;
+            case "up":
+                facing = new Vec3f(0f, 1f, 0f);
+                return true;
+            case "down":
+                facing = new Vec3f(0f, -1f, 0f);
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    private static void BuildBasisFromForward(Vec3f forward, out Vec3f right, out Vec3f up)
+    {
+        up = new Vec3f(0f, 1f, 0f);
+
+        if (Math.Abs(forward.Y) > 0.5f)
+        {
+            up = forward.Y > 0f ? new Vec3f(0f, 0f, -1f) : new Vec3f(0f, 0f, 1f);
+            right = new Vec3f(1f, 0f, 0f);
+            return;
+        }
+
+        right = new Vec3f(-forward.Z, 0f, forward.X);
+    }
+
+    private static void NormalizeFacing(ref Vec3f facing)
+    {
+        float length = MathF.Sqrt(facing.X * facing.X + facing.Y * facing.Y + facing.Z * facing.Z);
+        if (length <= 0.0001f)
+        {
+            facing = new Vec3f(0f, 0f, 1f);
+            return;
+        }
+
+        float invLength = 1f / length;
+        facing = new Vec3f(facing.X * invLength, facing.Y * invLength, facing.Z * invLength);
+    }
+
+    private static bool TryGetMeshAngle(BlockEntity blockEntity, out float radians)
+    {
+        if (blockEntity is BlockEntityGenericTypedContainer genericContainer)
+        {
+            radians = genericContainer.MeshAngle;
+            return true;
+        }
+
+        if (blockEntity is BlockEntityCrate crate)
+        {
+            radians = crate.MeshAngle;
+            return true;
+        }
+
+        radians = 0f;
+        return false;
+    }
+}

ChestPreview/ChestPreview/Rendering/WorldBillboardRenderer.cs

@@ -0,0 +1,214 @@
+using ChestPreview.Configs;
+using ChestPreview.Models;
+using System;
+using System.Collections.Generic;
+using Vintagestory.API.Client;
+using Vintagestory.API.Common;
+using Vintagestory.API.MathTools;
+
+namespace ChestPreview.Rendering;
+
+internal class WorldBillboardRenderer(ICoreClientAPI api, Config config, CardRenderer cardRenderer) : IRenderer
+{
+    private static float card_cell_padding => 2f;
+    private static float card_cell_width => 72f;
+    private static float card_cell_gap => 4f;
+    private static float billboard_brightness => 1.18f;
+
+    private readonly ICoreClientAPI api = api;
+    private readonly List<PreviewTarget> frameTargets = [];
+    private readonly CardRenderer cardRenderer = cardRenderer;
+    private readonly PreviewTargetProvider targetProvider = new(api, config);
+    private readonly WorldBillboardPresenter worldBillboardPresenter = new(api);
+    private readonly MeshRef quadMeshRef = api.Render.UploadMesh(
+        QuadMeshUtil.GetCustomQuadModelData(
+            1f,
+            v: 1f,
+            0f,
+            v2: 0f,
+            dx: -1f,
+            dy: -1f,
+            dw: 2f,
+            dh: 2f,
+            r: byte.MaxValue,
+            g: byte.MaxValue,
+            b: byte.MaxValue,
+            a: byte.MaxValue
+        )
+    );
+    private bool disposed;
+
+    public ICoreClientAPI Api { get; } = api;
+
+    public Config Config { get; } = config;
+
+    public double RenderOrder => 0.61;
+
+    public int RenderRange => 24;
+
+    public void OnRenderFrame(float deltaTime, EnumRenderStage stage)
+    {
+        if (disposed || stage != EnumRenderStage.AfterOIT)
+            return;
+
+        frameTargets.Clear();
+        targetProvider.CollectTargets(deltaTime, frameTargets);
+        worldBillboardPresenter.PrepareFrame(frameTargets);
+
+        if (worldBillboardPresenter.FrameBillboards.Count == 0)
+            return;
+
+        api.Render.GlDisableCullFace();
+        api.Render.GLEnableDepthTest();
+        api.Render.GlToggleBlend(true, EnumBlendMode.PremultipliedAlpha);
+        try
+        {
+            foreach (BillboardTarget billboardTarget in worldBillboardPresenter.FrameBillboards)
+            {
+                int maxColumns = GetBillboardMaxColumns(billboardTarget);
+                if (!cardRenderer.TryGetOrCreateCardTexture(billboardTarget.PreviewTarget, maxColumns, out LoadedTexture texture))
+                    continue;
+
+                RenderBillboard(billboardTarget, texture, maxColumns);
+            }
+        }
+        finally
+        {
+            StopShader(api.Render.CurrentActiveShader);
+            api.Render.GlToggleBlend(false, EnumBlendMode.PremultipliedAlpha);
+            api.Render.GLDisableDepthTest();
+            api.Render.GlEnableCullFace();
+        }
+    }
+
+    public void Dispose()
+    {
+        if (disposed)
+            return;
+
+        disposed = true;
+        frameTargets.Clear();
+        worldBillboardPresenter.Clear();
+        targetProvider.Dispose();
+        quadMeshRef.Dispose();
+    }
+
+    private void RenderBillboard(BillboardTarget billboardTarget, LoadedTexture texture, int maxColumns)
+    {
+        EntityPlayer? playerEntity = api.World.Player?.Entity;
+        if (playerEntity?.CameraPos == null)
+            return;
+
+        float referenceWidthPx = GetCardWidthPx(maxColumns);
+        float widthScale = texture.Width / Math.Max(1f, referenceWidthPx);
+        float textureAspect = texture.Height / (float)System.Math.Max(1, texture.Width);
+        float scaledWidth;
+        float textureHeight;
+        Vec3d center;
+
+        if (billboardTarget.IsFrontPlacement)
+        {
+            scaledWidth = billboardTarget.Width * widthScale;
+            textureHeight = scaledWidth * textureAspect;
+
+            if (scaledWidth > billboardTarget.Width)
+            {
+                scaledWidth = billboardTarget.Width;
+                textureHeight = scaledWidth * textureAspect;
+            }
+
+            if (textureHeight > billboardTarget.Height)
+            {
+                textureHeight = billboardTarget.Height;
+                scaledWidth = textureHeight / Math.Max(0.0001f, textureAspect);
+            }
+
+            center = billboardTarget.Center;
+        }
+        else
+        {
+            scaledWidth = billboardTarget.Width * widthScale;
+            textureHeight = scaledWidth * textureAspect;
+            center = new Vec3d(
+                billboardTarget.PreviewTarget.Anchor.X,
+                billboardTarget.PreviewTarget.Anchor.Y + textureHeight / 2f,
+                billboardTarget.PreviewTarget.Anchor.Z
+            );
+        }
+
+        float[] modelMatrix = CreateModelMatrix(billboardTarget, center, scaledWidth, textureHeight, playerEntity.CameraPos);
+        float brightness = billboard_brightness;
+        IStandardShaderProgram shader = api.Render.PreparedStandardShader(
+            billboardTarget.PreviewTarget.BlockEntity.Pos.X,
+            billboardTarget.PreviewTarget.BlockEntity.Pos.Y,
+            billboardTarget.PreviewTarget.BlockEntity.Pos.Z,
+            new Vec4f(brightness, brightness, brightness, 1f)
+        );
+
+        shader.Tex2D = texture.TextureId;
+        shader.AlphaTest = 0.01f;
+        shader.RgbaAmbientIn = new Vec3f(brightness, brightness, brightness);
+        shader.RgbaLightIn = new Vec4f(brightness, brightness, brightness, 1f);
+        shader.RgbaGlowIn = new Vec4f(0f, 0f, 0f, 0f);
+        shader.RgbaTint = new Vec4f(brightness, brightness, brightness, 1f);
+        shader.ModelMatrix = modelMatrix;
+        shader.ViewMatrix = api.Render.CameraMatrixOriginf;
+        shader.ProjectionMatrix = api.Render.CurrentProjectionMatrix;
+
+        api.Render.BindTexture2d(texture.TextureId);
+        api.Render.RenderMesh(quadMeshRef);
+    }
+
+    private static void StopShader(IShaderProgram? shader)
+    {
+        if (shader == null)
+            return;
+
+        try
+        {
+            shader.Stop();
+        }
+        catch
+        {
+        }
+    }
+
+    private static float GetCardWidthPx(int columns)
+    {
+        int safeColumns = Math.Max(1, columns);
+        return card_cell_padding * 2f + safeColumns * card_cell_width + (safeColumns - 1) * card_cell_gap;
+    }
+
+    private int GetBillboardMaxColumns(BillboardTarget billboardTarget)
+    {
+        int columnsPerBlock = Math.Max(1, Config.BillboardColumnsPerBlock <= 0 ? 1 : Config.BillboardColumnsPerBlock);
+        int blockWidth = Math.Max(1, (int)MathF.Round(billboardTarget.Width));
+        return columnsPerBlock * blockWidth;
+    }
+
+    private static float[] CreateModelMatrix(BillboardTarget billboardTarget, Vec3d center, float width, float height, Vec3d cameraPos)
+    {
+        float halfWidth = width / 2f;
+        float halfHeight = height / 2f;
+
+        return
+        [
+            billboardTarget.Right.X * halfWidth,
+            billboardTarget.Right.Y * halfWidth,
+            billboardTarget.Right.Z * halfWidth,
+            0f,
+            billboardTarget.Up.X * halfHeight,
+            billboardTarget.Up.Y * halfHeight,
+            billboardTarget.Up.Z * halfHeight,
+            0f,
+            billboardTarget.Forward.X,
+            billboardTarget.Forward.Y,
+            billboardTarget.Forward.Z,
+            0f,
+            (float)(center.X - cameraPos.X),
+            (float)(center.Y - cameraPos.Y),
+            (float)(center.Z - cameraPos.Z),
+            1f
+        ];
+    }
+}

ChestPreview/ChestPreview/Utils/MathUtils.cs

@@ -0,0 +1,22 @@
+using System.Numerics;
+using Vintagestory.API.MathTools;
+
+namespace ChestPreview.Utils;
+
+internal static class MathUtils
+{
+    internal static Vector3 ToVector3(this BlockPos blockPos)
+    {
+        return new Vector3(blockPos.X, blockPos.Y, blockPos.Z);
+    }
+
+    internal static Vector3 ToVector3(this Vec3f vector)
+    {
+        return new Vector3(vector.X, vector.Y, vector.Z);
+    }
+
+    internal static Vec3d ToVec3d(this Vector3 vector)
+    {
+        return new Vec3d(vector.X, vector.Y, vector.Z);
+    }
+}

ChestPreview/ChestPreview/assets/chestpreview/config/configlib-patches.json

@@ -0,0 +1,86 @@
+{
+    "version": 1,
+    "file": "chestpreview.json",
+    "patches": {},
+    "settings": [
+        {
+            "type": "separator",
+            "title": "Client-side"
+        },
+        {
+            "code": "Mode",
+            "comment": "config-desc-Mode",
+            "type": "string",
+            "default": "UnderCursor",
+            "values": [
+                "None",
+                "UnderCursor",
+                "OnHoveredContainer",
+                "OnNearbyContainers"
+            ],
+            "clientSide": true
+        },
+        {
+            "code": "HoldKey",
+            "comment": "config-desc-HoldKey",
+            "type": "boolean",
+            "default": true,
+            "clientSide": true
+        },
+        {
+            "code": "BillboardColumnsPerBlock",
+            "comment": "config-desc-BillboardColumnsPerBlock",
+            "type": "int",
+            "default": 4,
+            "clientSide": true,
+            "range": {
+                "min": 2,
+                "max": 20
+            }
+        },
+        {
+            "code": "ColumnsUnderCursor",
+            "comment": "config-desc-ColumnsUnderCursor",
+            "type": "int",
+            "default": 10,
+            "clientSide": true,
+            "range": {
+                "min": 2,
+                "max": 20
+            }
+        },
+        {
+            "code": "PreviewNearbyRadius",
+            "comment": "config-desc-PreviewNearbyRadius",
+            "type": "int",
+            "default": 8,
+            "clientSide": true,
+            "logarithmic": true,
+            "range": {
+                "min": 3,
+                "max": 30
+            }
+        },
+        {
+            "code": "WhitelistedContainersOnly",
+            "comment": "config-desc-WhitelistedContainersOnly",
+            "type": "boolean",
+            "default": true,
+            "clientSide": true
+        },
+        {
+            "code": "WhitelistedContainers",
+            "comment": "config-desc-WhitelistedContainers",
+            "type": "string",
+            "default": "barrel, crate, chest-*, trunk-*, storagevessel-*, stationarybasket-*, labeledchest-*",
+            "clientSide": true
+        },
+        {
+            "code": "BlacklistedContainers",
+            "comment": "config-desc-BlacklistedContainers",
+            "type": "string",
+            "default": "",
+            "clientSide": true
+        }
+    ]
+}

ChestPreview/ChestPreview/assets/chestpreview/lang/en.json

@@ -0,0 +1,12 @@
+{
+    "hotkey-preview-container": "Preview container",
+    "hotkey-preview-containers-nearby": "Preview containers nearby",
+    "config-desc-Mode": "Preview mode. Valid values: None, UnderCursor, OnHoveredContainer, OnNearbyContainers.",
+    "config-desc-HoldKey": "Previews only show while the \"Preview containers\" key is held.",
+    "config-desc-BillboardColumnsPerBlock": "Columns per block width used for world billboards. For containers 2 blocks wide it's doubled.",
+    "config-desc-ColumnsUnderCursor": "Columns in the UnderCursor mode.",
+    "config-desc-PreviewNearbyRadius": "Radius for \"Preview containers nearby\".",
+    "config-desc-WhitelistedContainersOnly": "If true, only container codes in WhitelistedContainers are handled.",
+    "config-desc-WhitelistedContainers": "Allowed container codes, separated by comma, semicolon, or spaces. No effectif WhitelistedContainersOnly==false.",
+    "config-desc-BlacklistedContainers": "Blocked container codes, separated by comma, semicolon, or spaces."
+}

ChestPreview/ChestPreview/modinfo.json

@@ -0,0 +1,15 @@
+{
+    "$schema": "https://moddbcdn.vintagestory.at/schema/modinfo.latest.json",
+    "type": "Code",
+    "modid": "chestpreview",
+    "name": "Chest Preview",
+    "authors": [
+        "OrekiWoof"
+    ],
+    "description": "see containers' contents without having to open them",
+    "version": "1.0.0-pre.1",
+    "dependencies": {
+        "game": "1.21.0"
+    },
+    "side": "Client"
+}

ChestPreview/ZZCakeBuild/CakeBuild.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RunWorkingDirectory>$(MSBuildProjectDirectory)</RunWorkingDirectory>
+    <Configurations>Debug;Release;Version22</Configurations>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="Cake.Frosting" Version="5.0.0" />
+    <PackageReference Include="Cake.Json" Version="7.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <Reference Include="VintagestoryAPI">
+      <HintPath>$(VINTAGE_STORY)/VintagestoryAPI.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+</Project>

ChestPreview/ZZCakeBuild/Program.cs

@@ -0,0 +1,122 @@
+using Cake.Common;
+using Cake.Common.IO;
+using Cake.Common.Tools.DotNet;
+using Cake.Common.Tools.DotNet.Clean;
+using Cake.Common.Tools.DotNet.Publish;
+using Cake.Core;
+using Cake.Frosting;
+using Cake.Json;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System;
+using System.IO;
+using System.Linq;
+using Vintagestory.API.Common;
+
+namespace CakeBuild;
+
+public static class Program
+{
+    public static int Main(string[] args)
+    {
+        return new CakeHost()
+            .UseContext<BuildContext>()
+            .Run(args);
+    }
+}
+
+public class BuildContext : FrostingContext
+{
+    public const string PROJECT_NAME = "ChestPreview";
+    public string BuildConfiguration { get; }
+    public string Version { get; }
+    public string Name { get; }
+    public bool SkipJsonValidation { get; }
+    public string GameVersion { get; }
+
+    public BuildContext(ICakeContext context)
+        : base(context)
+    {
+        BuildConfiguration = context.Argument("configuration", "Release");
+        SkipJsonValidation = context.Argument("skipJsonValidation", false);
+        var modInfo = context.DeserializeJsonFromFile<ModInfo>($"../{PROJECT_NAME}/modinfo.json");
+        Version = modInfo.Version;
+        Name = modInfo.ModID;
+        GameVersion = modInfo.Dependencies.First(x => x.ModID == "game").Version;
+    }
+}
+
+[TaskName("ValidateJson")]
+public sealed class ValidateJsonTask : FrostingTask<BuildContext>
+{
+    public override void Run(BuildContext context)
+    {
+        if (context.SkipJsonValidation)
+        {
+            return;
+        }
+        var jsonFiles = context.GetFiles($"../{BuildContext.PROJECT_NAME}/assets/**/*.json");
+        foreach (var file in jsonFiles)
+        {
+            try
+            {
+                var json = File.ReadAllText(file.FullPath);
+                JToken.Parse(json);
+            }
+            catch (JsonException ex)
+            {
+                throw new Exception($"Validation failed for JSON file: {file.FullPath}{Environment.NewLine}{ex.Message}", ex);
+            }
+        }
+    }
+}
+
+[TaskName("Build")]
+[IsDependentOn(typeof(ValidateJsonTask))]
+public sealed class BuildTask : FrostingTask<BuildContext>
+{
+    public override void Run(BuildContext context)
+    {
+        context.DotNetClean($"../{BuildContext.PROJECT_NAME}/{BuildContext.PROJECT_NAME}.csproj",
+            new DotNetCleanSettings
+            {
+                Configuration = context.BuildConfiguration
+            });
+
+
+        context.DotNetPublish($"../{BuildContext.PROJECT_NAME}/{BuildContext.PROJECT_NAME}.csproj",
+            new DotNetPublishSettings
+            {
+                Configuration = context.BuildConfiguration
+            });
+    }
+}
+
+[TaskName("Package")]
+[IsDependentOn(typeof(BuildTask))]
+public sealed class PackageTask : FrostingTask<BuildContext>
+{
+    public override void Run(BuildContext context)
+    {
+        context.EnsureDirectoryExists("../Releases");
+        context.CleanDirectory("../Releases");
+        context.EnsureDirectoryExists($"../Releases/{context.Name}");
+        context.CopyFiles($"../{BuildContext.PROJECT_NAME}/bin/{context.BuildConfiguration}/Mods/mod/publish/*", $"../Releases/{context.Name}");
+        if (context.DirectoryExists($"../{BuildContext.PROJECT_NAME}/assets"))
+        {
+            context.CopyDirectory($"../{BuildContext.PROJECT_NAME}/assets", $"../Releases/{context.Name}/assets");
+        }
+        context.CopyFile($"../{BuildContext.PROJECT_NAME}/modinfo.json", $"../Releases/{context.Name}/modinfo.json");
+        if (context.FileExists($"../{BuildContext.PROJECT_NAME}/modicon.png"))
+        {
+            context.CopyFile($"../{BuildContext.PROJECT_NAME}/modicon.png", $"../Releases/{context.Name}/modicon.png");
+        }
+        context.Zip($"../Releases/{context.Name}", $"../Releases/{context.Name}_v{context.Version}-v{context.GameVersion}.zip");
+    }
+}
+
+[TaskName("Default")]
+[IsDependentOn(typeof(PackageTask))]
+public class DefaultTask : FrostingTask
+{
+}

ChestPreview/build.ps1

@@ -0,0 +1,2 @@
+dotnet run --project ZZCakeBuild/CakeBuild.csproj -- $args
+exit $LASTEXITCODE;

ChestPreview/build.sh

@@ -0,0 +1 @@
+dotnet run --project ./ZZCakeBuild/CakeBuild.csproj -- "$@"