ModAPI(v1) v2.0.9552 - 20260225

The Forest Mod Management Tool — Upgraded Edition

Original: FluffyFish / Philipp Mohrenstecher (Engelskirchen, Germany) Upgrade: zzangae (Republic of Korea)

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Overview

ModAPI is a desktop application for managing mods for The Forest. This upgraded edition includes .NET Framework 4.8 migration, Windows 11 Fluent Design UI, a 3-theme system, enhanced multilingual support, and a full Downloads tab implementation.

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Key Changes

Phase 1 — .NET Framework 4.8 Upgrade

• Migrated all projects (5) from .NET Framework 4.5 → 4.8
• Updated TargetFrameworkVersion, App.config, packages.config across all projects
• Unified assembly version

Phase 2 — Build Environment & Fluent Design Foundation

• Introduced ModernWpf 0.9.6 NuGet package
• Created FluentStyles.xaml — Windows 11 Fluent Design override layer
  • Fluent color palette, typography, buttons, tabs, comboboxes, scrollbar styles
  • Window, SubWindow, SplashScreen templates
• Compiled UnityEngine stub DLL
  • Added missing types: WWW, Event, TextEditor, Physics, etc.
• Fixed dependency references and confirmed successful build

Phase 3 — UI Redesign & Theme System

Fluent UI Redesign

• Complete MainWindow.xaml restructuring
  • Fluent Design-based layout, colors, typography
  • Redesigned tab controls, status bar, caption buttons
• Runtime fixes: SplashScreen freezing, tab switching, icon states, window dragging

3-Theme System

Theme	Style File	Description
Classic	Dictionary.xaml only	Original ModAPI design (texture background)
Light	FluentStylesLight.xaml	Bright tone + blue accent
Dark	FluentStyles.xaml	Dark tone + blue accent (default)

• Added Theme Selector ComboBox in Settings tab
• Theme change triggers confirmation popup → auto restart
• Theme setting saved/loaded via theme.cfg file

Window Drag / SubWindows / Hyperlinks

• Root Grid MouseLeftButtonDown event for direct drag handling
• ThemeConfirm, ThemeRestartNotice, NoProjectWarning, DeleteModConfirm popups
• Theme-specific link colors: Dark/Classic (#FFD700), Light (#0078D4)

Phase 4 — Code Cleanup & Legacy Removal

• Removed login system (server no longer operational)
• Modernized update mechanism
• Cleaned up unused code
• Fixed SubWindow UI (game path dialogs, etc.)

Phase 5 — Multilingual Support Expansion (13 Languages)

Language	File	Language	File
Korean	Language.KR.xaml	Italian	Language.IT.xaml
English	Language.EN.xaml	Japanese	Language.JA.xaml
German	Language.DE.xaml	Portuguese	Language.PT.xaml
Spanish	Language.ES.xaml	Vietnamese	Language.VI.xaml
French	Language.FR.xaml	Chinese (Simplified)	Language.ZH.xaml
Polish	Language.PL.xaml	Chinese (Traditional)	Language.ZH-TW.xaml
Russian	Language.RU.xaml

Phase 5-1 — Downloads Tab & Theme Completion

Downloads Tab

• Loads mod list from 3 sources (mods.json, versions.xml, HTML parsing)
• Search functionality (filter by mod name/description/author)
• Game filter (All / The Forest / Dedicated Server / VR)
• Category filter (All / Bugfixes / Balancing / Cheats, etc. — 12 categories)
• Version selection split-panel UI
• Direct .mod file download → game folder installation
• Column sorting (click name/category/author) and resizing
• Mod deletion (DLL + staging file cleanup)

Icon Modernization (All Themes)

• All button PNG icons → Segoe MDL2 Assets font icons
• Applied across MainWindow.xaml + 14 SubWindow files
• Font icons inherit Foreground color, ensuring visibility across all themes

Original PNG	Font Icon	Usage
Icon_Add	 / 	Add / Start Game
Icon_Delete		Delete
Icon_Refresh		Refresh
Icon_Download		Download
Icon_Continue/Accept		Confirm/Continue
Icon_Decline		Cancel/Close
Icon_Information		Information
Icon_Warning		Warning
Icon_Error		Error
Icon_Browse		Browse
Icon_CreateMod		Create Mod

Unified Controls Across All Themes

Control	Classic	Dark	Light
CheckBox	Toggle (Gold)	Toggle (AccentBrush)	Toggle (AccentBrush)
RadioButton	Circle (Gold)	Circle (AccentBrush)	Circle (AccentBrush)
ComboBox	Scale9 original	Fluent custom	Fluent custom

Theme Visibility Fixes

• Light: AccentButton text forced White, tab icon Opacity adjustment
• Dark/Light: ComboBoxItem TextElement.Foreground approach for selected text visibility
• Classic: Fluent fallback resources added to Dictionary.xaml

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File Structure

ModAPI/
├── App.xaml / App.xaml.cs          # Theme load/save/apply
├── Dictionary.xaml                  # Original styles + toggle/radio/fallback resources
├── FluentStyles.xaml                # Dark theme + ComboBox/CheckBox/RadioButton
├── FluentStylesLight.xaml           # Light theme + ComboBox/CheckBox/RadioButton
├── Windows/
│   ├── MainWindow.xaml / .cs        # Main UI + Downloads tab + theme selector
│   └── SubWindows/                  # 16 SubWindows (all with font icons)
├── resources/
│   ├── langs/                       # 13 language files
│   └── textures/Icons/flags/        # Flag icons (16x11 PNG)
└── libs/
    └── UnityEngine.dll              # Stub DLL

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Build Requirements

• Visual Studio 2022
• .NET Framework 4.8 SDK
• ModernWpf 0.9.6 (NuGet)

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License

GNU General Public License v3.0 — follows the original license.