Integrate imgui

[Mosch0512]

Also fixes some tool tip calculation stat issues like defence for wings and armor and shield

[gemini-code-assist]

Summary of Changes

Hello @Mosch0512, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a powerful, in-game editor built with ImGui, designed to streamline development and debugging by allowing real-time inspection and modification of game data. The editor provides a user-friendly interface with a toolbar, a comprehensive console for all game output, and a dedicated item editor for adjusting item attributes on the fly. A key architectural decision was to ensure the editor's presence only in debug builds through conditional compilation, maintaining a lean and performant release client. The integration also necessitated significant refactoring of item-related game logic to support dynamic updates and improve code maintainability.

Highlights

• ImGui Integration: Integrated the ImGui library as a Git submodule and configured the Visual Studio project to include its source files and necessary build flags, enabling the use of an immediate mode GUI within the game.
• In-Game Editor Module: Introduced a new MuEditor module with core components for editor management, a dual-panel console for logging, an item editor for real-time attribute modification, and input blocking mechanisms to prevent game input from interfering with the UI.
• Conditional Compilation: All editor-related code is encapsulated within #ifdef _EDITOR directives, ensuring that the editor is only compiled into debug builds and has no impact on release builds.
• Console Redirection and Logging: Implemented a system to redirect standard console output (e.g., wprintf, fwprintf, std::cout, std::cerr, g_ConsoleDebug->Write) to the in-game ImGui console, and also to a timestamped log file, suppressing the default Windows console window.
• Item Attribute Calculation Refactoring: Refactored several item attribute calculation functions (e.g., stat requirements, defense) into modular helper functions (CalcStatRequirement, CalculateDefenseValue, etc.) to improve code organization and support real-time data updates from the editor.
• Item Name Function Rename: The GetItemName function has been consistently renamed to get_item_name (lowercase) across multiple game files for naming convention consistency.
• New README.md for Editor: Added a comprehensive README.md file detailing the MU Editor's features, architecture, integration points, and usage instructions.

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Code Review

This pull request introduces an in-game editor module, 'MU Editor', built with ImGui, primarily for debug builds. The editor includes a core system for initialization, updates, and rendering, a dual-panel console with logging to file and redirection of standard output/error streams, an item editor for real-time modification of item attributes (strength, dexterity, energy, vitality, charisma, damage, attack speed, defense, durability), and an input blocker to prevent game input from interfering with the editor UI. Project files (.gitignore, .vcxproj) were updated to include ImGui and editor-specific files, with conditional compilation (#ifdef _EDITOR) ensuring the editor is excluded from release builds. Several game logic files were refactored to use new helper functions for calculating item stat requirements (CalcStatRequirement), Dark Raven charisma requirements (CalcDarkRavenCharismaRequirement), and defense values (CalculateDefenseValue), and GetItemName was renamed to get_item_name. Input handling in Winmain.cpp and NewUICommon.cpp was adjusted to integrate ImGui's input processing and block game input when the editor is active or UI elements are hovered. Console output is now fully redirected to the ImGui console, and a new README.md file documents the editor's features and architecture.