108 lines
2.9 KiB
C#
108 lines
2.9 KiB
C#
using System.Collections;
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namespace PkmnLib.Dynamic.Models;
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/// <summary>
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/// A collection of Pokemon.
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/// </summary>
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public interface IPokemonParty : IReadOnlyList<IPokemon?>
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{
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event EventHandler<(IPokemon?, int index)>? OnSwapInto;
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event EventHandler<(int index1, int index2)>? OnSwap;
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/// <summary>
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/// Sets the Pokemon at an index to a Pokemon, returning the old Pokemon.
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/// </summary>
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IPokemon? SwapInto(IPokemon? pokemon, int index);
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/// <summary>
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/// Swaps two Pokemon in the party around.
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/// </summary>
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void Swap(int index1, int index2);
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/// <summary>
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/// Whether the party has any Pokemon that could be used in battle.
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/// </summary>
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/// <remarks>
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/// This will return false if all Pokemon are fainted, or eggs, etc.
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/// </remarks>
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bool HasUsablePokemon();
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/// <summary>
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/// Packs the party so that all Pokémon are at the front, and the empty slots are at the back.
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/// </summary>
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void Pack();
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}
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/// <inheritdoc />
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public class PokemonParty : IPokemonParty
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{
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private readonly IPokemon?[] _pokemon;
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/// <inheritdoc cref="PokemonParty" />
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public PokemonParty(int size)
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{
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_pokemon = new IPokemon[size];
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}
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/// <inheritdoc />
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public event EventHandler<(IPokemon?, int index)>? OnSwapInto;
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/// <inheritdoc />
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public event EventHandler<(int index1, int index2)>? OnSwap;
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/// <summary>
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/// Sets the Pokemon at an index to a Pokemon, returning the old Pokemon.
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/// </summary>
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public IPokemon? SwapInto(IPokemon? pokemon, int index)
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{
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var old = _pokemon[index];
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_pokemon[index] = pokemon;
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OnSwapInto?.Invoke(this, (pokemon, index));
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return old;
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}
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/// <summary>
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/// Swaps two Pokemon in the party around.
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/// </summary>
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public void Swap(int index1, int index2)
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{
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(_pokemon[index1], _pokemon[index2]) = (_pokemon[index2], _pokemon[index1]);
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OnSwap?.Invoke(this, (index1, index2));
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}
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/// <inheritdoc />
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public bool HasUsablePokemon() => _pokemon.Any(p => p is { IsUsable: true });
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/// <inheritdoc />
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public IEnumerator<IPokemon?> GetEnumerator() => ((IEnumerable<IPokemon?>)_pokemon).GetEnumerator();
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/// <inheritdoc />
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IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
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/// <inheritdoc />
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public int Count => _pokemon.Length;
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/// <inheritdoc />
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public IPokemon? this[int index] => _pokemon[index];
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/// <inheritdoc />
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public void Pack()
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{
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// Pack the party so that all Pokémon are at the front.
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for (var i = 0; i < _pokemon.Length; i++)
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{
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if (_pokemon[i] != null)
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continue;
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for (var j = i + 1; j < _pokemon.Length; j++)
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{
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if (_pokemon[j] == null)
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continue;
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Swap(i, j);
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break;
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}
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}
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}
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} |