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using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using StardewModdingAPI.Framework.Events;
using StardewModdingAPI.Framework.Input;
using StardewModdingAPI.Framework.Reflection;
using StardewValley;
namespace StardewModdingAPI.Framework
{
/// <summary>SMAPI's extension of the game's core <see cref="GameRunner"/>, used to inject SMAPI components.</summary>
internal class SGameRunner : GameRunner
{
/*********
** Fields
*********/
/// <summary>Encapsulates monitoring and logging for SMAPI.</summary>
private readonly Monitor Monitor;
/// <summary>Manages SMAPI events for mods.</summary>
private readonly EventManager Events;
/// <summary>Simplifies access to private game code.</summary>
private readonly Reflector Reflection;
/// <summary>Immediately exit the game without saving. This should only be invoked when an irrecoverable fatal error happens that risks save corruption or game-breaking bugs.</summary>
private readonly Action<string> ExitGameImmediately;
/// <summary>The core SMAPI mod hooks.</summary>
private readonly SModHooks ModHooks;
/// <summary>The core multiplayer logic.</summary>
private readonly SMultiplayer Multiplayer;
/// <summary>Raised after the game finishes loading its initial content.</summary>
private readonly Action OnGameContentLoaded;
/// <summary>Raised when XNA is updating (roughly 60 times per second).</summary>
private readonly Action<GameTime, Action> OnGameUpdating;
/// <summary>Raised when the game instance for a local split-screen player is updating (once per <see cref="OnGameUpdating"/> per player).</summary>
private readonly Action<SGame, GameTime, Action> OnPlayerInstanceUpdating;
/// <summary>Raised before the game exits.</summary>
private readonly Action OnGameExiting;
/*********
** Public methods
*********/
/// <summary>The singleton instance.</summary>
public static SGameRunner Instance => (SGameRunner)GameRunner.instance;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="monitor">Encapsulates monitoring and logging for SMAPI.</param>
/// <param name="reflection">Simplifies access to private game code.</param>
/// <param name="eventManager">Manages SMAPI events for mods.</param>
/// <param name="modHooks">Handles mod hooks provided by the game.</param>
/// <param name="multiplayer">The core multiplayer logic.</param>
/// <param name="exitGameImmediately">Immediately exit the game without saving. This should only be invoked when an irrecoverable fatal error happens that risks save corruption or game-breaking bugs.</param>
/// <param name="onGameContentLoaded">Raised after the game finishes loading its initial content.</param>
/// <param name="onGameUpdating">Raised when XNA is updating its state (roughly 60 times per second).</param>
/// <param name="onPlayerInstanceUpdating">Raised when the game instance for a local split-screen player is updating (once per <see cref="OnGameUpdating"/> per player).</param>
/// <param name="onGameExiting">Raised before the game exits.</param>
public SGameRunner(Monitor monitor, Reflector reflection, EventManager eventManager, SModHooks modHooks, SMultiplayer multiplayer, Action<string> exitGameImmediately, Action onGameContentLoaded, Action<GameTime, Action> onGameUpdating, Action<SGame, GameTime, Action> onPlayerInstanceUpdating, Action onGameExiting)
{
// init XNA
Game1.graphics.GraphicsProfile = GraphicsProfile.HiDef;
// hook into game
this.ModHooks = modHooks;
// init SMAPI
this.Monitor = monitor;
this.Events = eventManager;
this.Reflection = reflection;
this.Multiplayer = multiplayer;
this.ExitGameImmediately = exitGameImmediately;
this.OnGameContentLoaded = onGameContentLoaded;
this.OnGameUpdating = onGameUpdating;
this.OnPlayerInstanceUpdating = onPlayerInstanceUpdating;
this.OnGameExiting = onGameExiting;
}
/// <summary>Create a game instance for a local player.</summary>
/// <param name="playerIndex">The player index.</param>
/// <param name="instanceIndex">The instance index.</param>
public override Game1 CreateGameInstance(PlayerIndex playerIndex = PlayerIndex.One, int instanceIndex = 0)
{
SInputState inputState = new SInputState();
return new SGame(playerIndex, instanceIndex, this.Monitor, this.Reflection, this.Events, inputState, this.ModHooks, this.Multiplayer, this.ExitGameImmediately, this.OnPlayerInstanceUpdating);
}
/// <inheritdoc />
public override void AddGameInstance(PlayerIndex playerIndex)
{
base.AddGameInstance(playerIndex);
EarlyConstants.LogScreenId = Context.ScreenId;
this.UpdateForSplitScreenChanges();
}
/// <inheritdoc />
public override void RemoveGameInstance(Game1 gameInstance)
{
base.RemoveGameInstance(gameInstance);
if (this.gameInstances.Count <= 1)
EarlyConstants.LogScreenId = null;
this.UpdateForSplitScreenChanges();
}
/// <summary>Get the screen ID for a given player ID, if the player is local.</summary>
/// <param name="playerId">The player ID to check.</param>
public int? GetScreenId(long playerId)
{
return this.gameInstances
.FirstOrDefault(p => ((SGame)p).PlayerId == playerId)
?.instanceId;
}
/*********
** Protected methods
*********/
/// <summary>Load content when the game is launched.</summary>
protected override void LoadContent()
{
base.LoadContent();
this.OnGameContentLoaded();
}
/// <summary>Perform cleanup logic when the game exits.</summary>
/// <param name="sender">The event sender.</param>
/// <param name="args">The event args.</param>
/// <remarks>This overrides the logic in <see cref="Game1.exitEvent"/> to let SMAPI clean up before exit.</remarks>
protected override void OnExiting(object sender, EventArgs args)
{
this.OnGameExiting();
}
/// <summary>The method called when the game is updating its state (roughly 60 times per second).</summary>
/// <param name="gameTime">A snapshot of the game timing state.</param>
protected override void Update(GameTime gameTime)
{
this.OnGameUpdating(gameTime, () => base.Update(gameTime));
}
/// <summary>Update metadata when a split screen is added or removed.</summary>
private void UpdateForSplitScreenChanges()
{
HashSet<int> oldScreenIds = new HashSet<int>(Context.ActiveScreenIds);
// track active screens
Context.ActiveScreenIds.Clear();
foreach (var screen in this.gameInstances)
Context.ActiveScreenIds.Add(screen.instanceId);
// remember last removed screen
foreach (int id in oldScreenIds)
{
if (!Context.ActiveScreenIds.Contains(id))
Context.LastRemovedScreenId = id;
}
}
}
}
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