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Desire Match Simulator (ncurses, C++20)

Text-mode simulator illustrating multithreading in C++20: two threads (Marina and Roman) randomly generate desires until 10 matches are found.
The UI is fixed to 80×24 and rendered with ncurses.

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🗂️ Project layout

• src/app: simulation orchestrator (DesireSimulator).
• src/core: shared types, desire list, and history tracking.
• src/ui: ncurses-based terminal helpers plus HUD/table renderers.

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🧱 Architecture

• app/DesireSimulator — the main application loop.
  Creates two threads (Marina and Roman), manages shared state, updates the history of attempts, and calls UI rendering functions.

• core/ — logic and data:

  • DesireList – random desire generation;
  • History – attempt storage and match counting;
  • Types – shared constants and data structures (Attempt, screen dimensions, limits, etc.).

• ui/ — ncurses-based text interface layer:

  • Terminal – screen clearing, cursor movement, and color handling;
  • Layout – text layout and position helpers;
  • TableRenderer – rendering of the attempt table with match highlighting;
  • HudRenderer – header, current desires, progress bar, and final summary screen.

The architecture cleanly separates simulation logic from TUI rendering,
keeping the project modular, easy to maintain, and extendable.

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🎨 Screenshot

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⚙️ What it does

• Two std::jthread workers generate random desires from a 150-item list.
• The main loop tracks attempts, adjusts the tick rate dynamically (faster on no-match, reset on match),
  shows a colored HUD, a table of recent attempts, and a progress bar.
• The HUD displays Fastest / Slowest / Avg time between matches (in seconds, one decimal) for pacing context.
• Upon 10 matches, the program shows a summary with the most frequent desires.

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🏗️ Build & Run (Linux)

cmake -S . -B build
cmake --build build
./build/desire_simulator

🪟 Windows notes

The project uses ncurses.
On Windows, build with a compatible library (e.g. PDCurses) and point CMake to it: or use WSL, where ncurses is available by default.

Visual C++ is not supported in the current CMake setup; prefer MinGW or WSL for a smoother build.

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📦 Key dependencies

• C++20 compiler
• CMake ≥ 3.20
• ncurses (or compatible curses implementation)

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_{© 2025 vimcomes — Desire Match Simulator is a small open-source demo of multithreading and ncurses-based UI in C++20.}