TileLookup< T > Class Template Reference

Public Member Functions
	TileLookup (Dictionary< int, T > rowsById)
void	Build ()

Properties
T	this[int id] [get]

Private Member Functions
T	Resolve (int id)

Private Attributes
readonly Dictionary< int, T >	_map
T[]	_builtin = Array.Empty<T>()
T	_fallback
HashSet< int >	_missing

Static Private Attributes
const int	DefaultRange = 1024

Detailed Description

Type Constraints

T

:

SourceData.BaseRow

Definition at line 6 of file TileLookup.cs.

Constructor & Destructor Documentation

TileLookup()

TileLookup< T >.TileLookup ( Dictionary< int, T >  rowsById )

inline

Definition at line 35 of file TileLookup.cs.

    {
        _map = rowsById;
    }

References TileLookup< T >._map.

Member Function Documentation

Build()

void TileLookup< T >.Build ( )

inline

Definition at line 40 of file TileLookup.cs.

    {
        _missing = null;
        _fallback = _map.TryGetValue(0);
        int maxId = -1;
        foreach (int item in _map.Keys.Where((int id) => id > maxId && id < 1024))
        {
            maxId = item;
        }
        _builtin = ((maxId < 0) ? Array.Empty<T>() : new T[maxId + 1]);
        foreach (KeyValuePair<int, T> item2 in _map.Where((KeyValuePair<int, T> kv) => kv.Key <= maxId))
        {
            _builtin[item2.Key] = item2.Value;
        }
    }

References TileLookup< T >._builtin, TileLookup< T >._fallback, TileLookup< T >._map, TileLookup< T >._missing, and item.

Resolve()

T TileLookup< T >.Resolve ( int  id )

inlineprivate

Definition at line 56 of file TileLookup.cs.

    {
        if (_map.TryGetValue(id, out var value))
        {
            return value;
        }
        if (_missing == null)
        {
            _missing = new HashSet<int>();
        }
        if (_missing.Add(id))
        {
            Debug.LogWarning($"#source missing tile row: {typeof(T).DeclaringType?.Name}#{id}");
        }
        return _fallback ?? _map.TryGetValue(0);
    }

References $, TileLookup< T >._fallback, TileLookup< T >._map, TileLookup< T >._missing, and Debug.

Member Data Documentation

_builtin

T [] TileLookup< T >._builtin = Array.Empty<T>()

private

Definition at line 12 of file TileLookup.cs.

Referenced by TileLookup< T >.Build().

_fallback

T TileLookup< T >._fallback

private

Definition at line 14 of file TileLookup.cs.

Referenced by TileLookup< T >.Build(), and TileLookup< T >.Resolve().

_map

readonly Dictionary<int, T> TileLookup< T >._map

private

Definition at line 10 of file TileLookup.cs.

Referenced by TileLookup< T >.Build(), TileLookup< T >.Resolve(), and TileLookup< T >.TileLookup().

_missing

HashSet<int> TileLookup< T >._missing

private

Definition at line 16 of file TileLookup.cs.

Referenced by TileLookup< T >.Build(), and TileLookup< T >.Resolve().

DefaultRange

const int TileLookup< T >.DefaultRange = 1024

staticprivate

Definition at line 8 of file TileLookup.cs.

Property Documentation

this[int id]

T TileLookup< T >.this[int id]

get

Definition at line 18 of file TileLookup.cs.

    {
        get
        {
            T[] builtin = _builtin;
            if ((uint)id < (uint)builtin.Length)
            {
                T val = builtin[id];
                if (val != null)
                {
                    return val;
                }
            }
            return Resolve(id);
        }
    }

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The documentation for this class was generated from the following file:

• Elin/TileLookup.cs