Fix: Get Field if no room id is specified

[Zintixx]

Summary by CodeRabbit

• Bug Fixes
  • Improved game session assignment: When players join without specifying a session, the system now reliably connects them to an existing game area, avoiding the unnecessary creation of new sessions. This enhancement ensures quicker matchmaking, reduces delays, streamlines the connection process, and significantly boosts overall system performance for a smoother gaming experience.

[coderabbitai]

Walkthrough

This pull request updates the GetInternal method in the FieldManager.Factory class. It introduces a conditional branch that, when the roomId is zero and there are existing fields in the mapFields dictionary, returns the first available FieldManager. The normal logic for retrieving or creating a field based on a non-zero roomId remains unchanged. No modifications to public entity declarations are made.

Changes

File(s)	Change Summary
Maple2.Server.Game/.../FieldManager/FieldManager.Factory.cs	Added a conditional check in the GetInternal method to return the first available field when roomId is zero and mapFields is non-empty, while keeping existing logic intact.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant FieldManagerFactory
    participant MapFields
    Client->>FieldManagerFactory: Call GetInternal(roomId)
    alt roomId is zero
        FieldManagerFactory->>MapFields: Check for available fields
        alt Fields available
            FieldManagerFactory->>Client: Return first available FieldManager
        else No fields available
            FieldManagerFactory->>Client: Proceed with normal field creation
        end
    else roomId != 0
        FieldManagerFactory->>MapFields: Retrieve or create Field based on roomId
        FieldManagerFactory->>Client: Return FieldManager
    end

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Possibly related PRs

• Fix: Instance Field Creation #243: Adjusts logic within the Get methods of the FieldManager.Factory class, directly related to field retrieval modifications.

Suggested reviewers

• AngeloTadeucci

Poem

I'm a happy rabbit, hopping with delight,
In fields of code, where changes take flight.
Zero room IDs now lead to a field that's found,
A little tweak that's solid and sound.
Carrots and code—what a whimsical blend!
🐰🥕

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📜 Recent review details

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Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8f58fd8 and f9bb026.

📒 Files selected for processing (1)

• Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.Factory.cs (1 hunks)

🧰 Additional context used

🧬 Code Definitions (1)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.Factory.cs (5)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.cs (2)

• FieldManager (32-632)
• FieldManager (83-108)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.State.cs (1)

• FieldManager (24-823)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.Ugc.cs (1)

• FieldManager (16-165)

Maple2.Server.Game/GameServer.cs (1)

• FieldManager (101-103)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.Trigger.cs (1)

• FieldManager (10-46)

🔇 Additional comments (1)

Maple2.Server.Game/Manager/Field/FieldManager/FieldManager.Factory.cs (1)

375-380: Appropriate fix for handling cases with unspecified roomId.

The added condition correctly handles the case when no specific room is requested (roomId == 0) and there are existing fields for the given map. By returning the first available field instead of creating a new one, this change avoids unnecessary field instance creation while still providing the expected functionality.

The implementation is thread-safe since the GetInternal method is called within a semaphore lock in the public Get method. This ensures that field access and creation remains synchronized.

✨ Finishing Touches

• 📝 Generate Docstrings

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