73 lines
2.6 KiB
C#
73 lines
2.6 KiB
C#
using System.Collections.Immutable;
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using System.Reflection;
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using System.Text.Json;
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using Microsoft.Extensions.Logging;
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using RPG.GameCore.Excel.Attributes;
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namespace RPG.GameCore.Excel;
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public class ExcelTables
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{
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private readonly ILogger _logger;
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private ImmutableDictionary<ExcelType, ImmutableArray<ExcelRow>>? _tables;
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public ExcelTables(ILogger<ExcelTables> logger)
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{
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_logger = logger;
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}
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public TExcelRow? GetExcelRow<TExcelRow>(ExcelType type, int id) where TExcelRow : ExcelRow
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{
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if (_tables == null) throw new InvalidOperationException("GetExcelRow called when ExcelTables not loaded.");
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if (_tables.TryGetValue(type, out ImmutableArray<ExcelRow> rows))
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{
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return rows.SingleOrDefault(row => row.Id == id) as TExcelRow;
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}
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throw new ArgumentException($"GetExcelRow: table for excel type not found {type}");
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}
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public IEnumerable<ExcelRow> GetAllRows(ExcelType type)
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{
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if (_tables == null) throw new InvalidOperationException("GetAllRows called when ExcelTables not loaded.");
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if (_tables.TryGetValue(type, out ImmutableArray<ExcelRow> rows))
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{
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return rows;
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}
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throw new ArgumentException($"GetAllRows: table for excel type not found {type}");
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}
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public void Load()
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{
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ImmutableDictionary<ExcelType, ImmutableArray<ExcelRow>>.Builder tables = ImmutableDictionary.CreateBuilder<ExcelType, ImmutableArray<ExcelRow>>();
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IEnumerable<Type> types = Assembly.GetExecutingAssembly().GetTypes()
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.Where(type => type.GetCustomAttribute<ExcelTableAttribute>() != null);
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foreach (Type type in types)
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{
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ExcelTableAttribute attribute = type.GetCustomAttribute<ExcelTableAttribute>()!;
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// TODO: asset provider
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JsonDocument tableJson = JsonDocument.Parse(File.ReadAllText("data/excel/" + attribute.Path));
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ImmutableArray<ExcelRow>.Builder rows = ImmutableArray.CreateBuilder<ExcelRow>();
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foreach (JsonProperty property in tableJson.RootElement.EnumerateObject())
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{
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if (property.Value.ValueKind != JsonValueKind.Object)
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throw new ArgumentException($"Failed to load excel: expected an object, got {property.Value.ValueKind}");
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ExcelRow row = (property.Value.Deserialize(type) as ExcelRow)!;
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rows.Add(row);
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}
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tables.Add(attribute.Type, rows.ToImmutable());
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}
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_tables = tables.ToImmutable();
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_logger.LogInformation("Loaded {count} excel tables", _tables.Count);
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}
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}
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