Program.cs

using TopDownDungeon.Enums;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.DependencyInjection;
using TopDownDungeon.Models;
using TopDownDungeon.Logic;
using TopDownDungeon.UI;
using TopDownDungeon.Audio;
using TopDownDungeon.Utility;

HostApplicationBuilder builder = new HostApplicationBuilder(args);

builder.Services.AddSingleton<GameState>();
builder.Services.AddSingleton<Canvas>();
builder.Services.AddTransient<MapFactory>();
builder.Services.AddTransient<BattleEngine>();
builder.Services.AddTransient<EncounterFactory>();
builder.Services.AddTransient<FoodFactory>();
builder.Services.AddTransient<PotionFactory>();
builder.Services.AddTransient<InterfaceHelper>();
builder.Services.AddTransient<TextPrompts>();
builder.Services.AddTransient<Movement>();
builder.Services.AddTransient<Player>();
if (System.OperatingSystem.IsLinux())
    builder.Services.AddTransient<IAudioController, LinuxAudio>();
else
    builder.Services.AddTransient<IAudioController, AudioController>();

using IHost host = builder.Build();
host.Start();

//Game Defaults
const int PlayerHealth = 100;
const int PlayerStamina = 20;
const int PlayerSpeed = 1;
const bool CanMove = true;

//Utility
var canvas = host.Services.GetRequiredService<Canvas>();
var mapBuilder = host.Services.GetRequiredService<MapFactory>();
var battleEngine = host.Services.GetService<BattleEngine>();
var movement = host.Services.GetRequiredService<Movement>();
var audio = host.Services.GetRequiredService<IAudioController>();
var map = mapBuilder.CreateMap(5, 5);
var state = host.Services.GetRequiredService<GameState>();
state.OnShowMessage += (s, e) => canvas.ShowMapMessage(e);

Map CreateNewMap()
{
    var tempMap = mapBuilder.CreateMap(canvas.GetWindowSize().Height, canvas.GetWindowSize().Width);
    tempMap.Win += HandleWinState;
    tempMap.FoundEncounter += HandleEncounter;
    tempMap.FoundFood += HandleFood;
    tempMap.FoundPotion += HandlePotion;
    return tempMap;
}

//Logic
void HandleWinState(object sender, EventArgs args)
{
    audio.PlayWinnerEffect();
    canvas.ShowMapMessage("WINNER!");
    ResetState();
}

void HandleFood(object sender, MapEventArgs args)
{
    canvas.ShowMapMessage($"Found {args.Food.Name} increasing HP and stamina by {args.Food.EffectValue}");
    state.Player.EatFood(args.Food);
}

void HandlePotion(object sender, MapEventArgs args)
{
    canvas.ShowMapMessage($"Found {args.Potion?.Effect} potion, bottoms up!");
    state.Player.DrinkPotion(args.Potion);
}

void HandleEncounter(object sender, MapEventArgs args)
{
    audio.PlayEncounterEffect();
    canvas.ShowMapMessage($"Encountered {args.Encounter.Opponent.Name}. ; Get ready to fight!");
    var outcome = battleEngine.StartEncounter(args.Encounter, state.Player.Health);

    if (outcome.Success)
    {
        state.Player.Health = outcome.PlayerHP;
        map.Encounters.Remove(args.Encounter);
        canvas.DrawMap(map);
    }
    else
    {
        ResetState();
    }
}

void ResetState()
{
    map = CreateNewMap();
    state.Player.Location = map.Spawn;
    state.Player.Health = PlayerHealth;
    state.Player.Stamina = PlayerStamina;
    state.Player.Speed = PlayerSpeed;
    state.Player.CanMove = CanMove;
    state.VisitedLocations.Clear();
    canvas.DrawMap(map);
}

//Main
canvas.ShowStartMenu();
ResetState();

while (true)
{
    var input = Console.ReadKey(true);
    switch (input.Key)
    {
        case ConsoleKey.Escape:
            break;
        case ConsoleKey.Spacebar:
            break;
        case ConsoleKey.LeftArrow:
            movement.MovePlayer(MovementDirection.West);
            break;
        case ConsoleKey.UpArrow:
            movement.MovePlayer(MovementDirection.North);
            break;
        case ConsoleKey.RightArrow:
            movement.MovePlayer(MovementDirection.East);
            break;
        case ConsoleKey.DownArrow:
            movement.MovePlayer(MovementDirection.South);
            break;
        case ConsoleKey.A:
            movement.MovePlayer(MovementDirection.West);
            break;
        case ConsoleKey.D:
            movement.MovePlayer(MovementDirection.East);
            break;
        case ConsoleKey.S:
            movement.MovePlayer(MovementDirection.South);
            break;
        case ConsoleKey.W:
            movement.MovePlayer(MovementDirection.North);
            break;
    }

    map.ExamineNewLocation(state.Player.Location);
}