public FntParser(string path)
{
RootNode = new FntNode(Path.GetFileNameWithoutExtension(path), string.Empty);
stream = new FileStream(path, FileMode.Open);
FntNode currentNode = null;
while (NextToken(out string token))
{
if (!token.Contains('='))
{
if (currentNode != null)
{
RootNode.AddChildren(currentNode);
}
currentNode = new FntNode(token, string.Empty);
continue;
}
string[] splittedToken = token.Split('=');
string name = splittedToken[0];
string value = splittedToken[1];
if (value[0] == '"' && value[value.Length - 1] == '"')
{
value = value.Substring(1, value.Length - 2);
}
currentNode.AddChildren(new FntNode(name, value));
}
RootNode.AddChildren(currentNode);
}
public void AddChildren(FntNode node)
{
if (children.ContainsKey(node.Name))
{
children[node.Name].Add(node);
return;
}
children.Add(node.Name, new List <FntNode>()
{
node
});
}
public Font(string name, string path) : base(name)
{
FntParser parser = new FntParser(path);
LineHeight = int.Parse(parser.RootNode["common"][0]["lineHeight"][0].Value);
string[] paddings = parser.RootNode["info"][0]["padding"][0].Value.Split(',');
PaddingTop = int.Parse(paddings[0]);
PaddingLeft = int.Parse(paddings[1]);
PaddingBottom = int.Parse(paddings[2]);
PaddingRight = int.Parse(paddings[3]);
TextureWidth = int.Parse(parser.RootNode["common"][0]["scaleW"][0].Value);
TextureHeight = int.Parse(parser.RootNode["common"][0]["scaleH"][0].Value);
int kerningsCount = int.Parse(parser.RootNode["kernings"][0]["count"][0].Value);
for (int i = 0; i < kerningsCount; i++)
{
FntNode node = parser.RootNode["kerning"][i];
CharsPair pair = new CharsPair(
(char)int.Parse(node["first"][0].Value),
(char)int.Parse(node["second"][0].Value));
Kernings.Add(pair, int.Parse(node["amount"][0].Value));
}
int charsCount = int.Parse(parser.RootNode["chars"][0]["count"][0].Value);
for (int i = 0; i < charsCount; i++)
{
FntNode node = parser.RootNode["char"][i];
char c = (char)int.Parse(node["id"][0].Value);
Vector2i size = new Vector2i(
int.Parse(node["width"][0].Value),
int.Parse(node["height"][0].Value));
Vector2i offset = new Vector2i(
int.Parse(node["xoffset"][0].Value),
int.Parse(node["yoffset"][0].Value));
Vector2i start = new Vector2i(
int.Parse(node["x"][0].Value),
int.Parse(node["y"][0].Value));
Vector2i end = start + size;
Characters.Add(c, new Character
{
Start = new Vector2(start.X / (float)TextureWidth, start.Y / (float)TextureHeight),
End = new Vector2(end.X / (float)TextureWidth, end.Y / (float)TextureHeight),
Size = size,
Offset = offset,
Advance = int.Parse(node["xadvance"][0].Value) - PaddingLeft - PaddingRight
});
}
string texPath = Path.Combine(Path.GetDirectoryName(path), parser.RootNode["page"][0]["file"][0].Value);
Rgba32[] pixels = Helper.LoadImageFromFile(texPath, out _, out _);
FontTexture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, FontTexture);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, TextureWidth, TextureHeight, 0, PixelFormat.Rgba, PixelType.UnsignedByte, pixels);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
