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using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using MonoGame.Extended.Content;
using MonoGame.Extended.TextureAtlases;
namespace MonoGame.Extended.BitmapFonts
{
public class BitmapFontReader : ContentTypeReader<BitmapFont>
{
protected override BitmapFont Read(ContentReader reader, BitmapFont existingInstance)
{
var textureAssetCount = reader.ReadInt32();
var assets = new List<string>();
for (var i = 0; i < textureAssetCount; i++)
{
var assetName = reader.ReadString();
assets.Add(assetName);
}
var textures = assets
.Select(textureName => reader.ContentManager.Load<Texture2D>(reader.GetRelativeAssetName(textureName)))
.ToArray();
var lineHeight = reader.ReadInt32();
var regionCount = reader.ReadInt32();
var regions = new BitmapFontRegion[regionCount];
for (var r = 0; r < regionCount; r++)
{
var character = reader.ReadInt32();
var textureIndex = reader.ReadInt32();
var x = reader.ReadInt32();
var y = reader.ReadInt32();
var width = reader.ReadInt32();
var height = reader.ReadInt32();
var xOffset = reader.ReadInt32();
var yOffset = reader.ReadInt32();
var xAdvance = reader.ReadInt32();
var textureRegion = new TextureRegion2D(textures[textureIndex], x, y, width, height);
regions[r] = new BitmapFontRegion(textureRegion, character, xOffset, yOffset, xAdvance);
}
var characterMap = regions.ToDictionary(r => r.Character);
var kerningsCount = reader.ReadInt32();
for (var k = 0; k < kerningsCount; k++)
{
var first = reader.ReadInt32();
var second = reader.ReadInt32();
var amount = reader.ReadInt32();
// Find region
if (!characterMap.TryGetValue(first, out var region))
continue;
region.Kernings[second] = amount;
}
return new BitmapFont(reader.AssetName, regions, lineHeight);
}
}
}
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