bool GetCharacterInfo(char m_character, ref CustomCharacterInfo char_info)
{
if(m_character.Equals('\n') || m_character.Equals('\r'))
{
return true;
}
if(m_font != null)
{
if(!m_current_font_name.Equals(m_font.name))
{
// Recalculate font's baseline value
// Checks through all available alpha characters and uses the most common bottom y_axis value as the baseline for the font.
#pragma warning disable
Dictionary<float, int> baseline_values = new Dictionary<float, int>();
float baseline;
foreach(CharacterInfo character in m_font.characterInfo)
{
// only check alpha characters (a-z, A-Z)
if((character.index >= 97 && character.index < 123) || (character.index >= 65 && character.index < 91))
{
baseline = -character.vert.y - character.vert.height;
if(baseline_values.ContainsKey(baseline))
baseline_values[baseline] ++;
else
baseline_values[baseline] = 1;
}
}
#pragma warning restore
// Find most common baseline value used by the letters
int idx=0;
int highest_num=0, highest_idx=-1;
float most_common_baseline = -1;
foreach(int num in baseline_values.Values)
{
if(highest_idx == -1 || num > highest_num)
{
highest_idx = idx;
highest_num = num;
}
idx++;
}
// Retrieve the most common value and use as baseline value
idx=0;
foreach(float baseline_key in baseline_values.Keys)
{
if(idx == highest_idx)
{
most_common_baseline = baseline_key;
break;
}
idx++;
}
m_font_baseline = most_common_baseline;
// Set font name to current, to ensure this check doesn't happen each time
m_current_font_name = m_font.name;
}
CharacterInfo font_char_info = new CharacterInfo();
m_font.GetCharacterInfo(m_character, out font_char_info);
#pragma warning disable
char_info.flipped = font_char_info.flipped;
char_info.uv = font_char_info.uv;
char_info.vert = font_char_info.vert;
char_info.width = font_char_info.width;
// Scale char_info values
char_info.vert.x /= FontScale;
char_info.vert.y /= FontScale;
char_info.vert.width /= FontScale;
char_info.vert.height /= FontScale;
char_info.width /= FontScale;
if(font_char_info.width == 0)
{
// Invisible character info returned because character is not contained within the font
Debug.LogWarning("Character '" + GetHumanReadableCharacterString(m_character) + "' not found. Check that font '" + m_font.name + "' supports this character.");
}
#pragma warning restore
return true;
}
if(m_font_data_file != null)
{
if(m_custom_font_data == null || !m_font_data_file.name.Equals(m_current_font_data_file_name))
{
// Setup m_custom_font_data for the custom font.
#if !UNITY_WINRT
if(m_font_data_file.text.Substring(0,5).Equals("<?xml"))
{
// Text file is in xml format
m_current_font_data_file_name = m_font_data_file.name;
m_custom_font_data = new CustomFontCharacterData();
XmlTextReader reader = new XmlTextReader(new StringReader(m_font_data_file.text));
int texture_width = 0;
int texture_height = 0;
int uv_x, uv_y;
float width, height, xoffset, yoffset, xadvance;
CustomCharacterInfo character_info;
while(reader.Read())
{
if(reader.IsStartElement())
{
if(reader.Name.Equals("common"))
{
texture_width = int.Parse(reader.GetAttribute("scaleW"));
texture_height = int.Parse(reader.GetAttribute("scaleH"));
m_font_baseline = int.Parse(reader.GetAttribute("base"));
}
else if(reader.Name.Equals("char"))
{
uv_x = int.Parse(reader.GetAttribute("x"));
uv_y = int.Parse(reader.GetAttribute("y"));
width = float.Parse(reader.GetAttribute("width"));
height = float.Parse(reader.GetAttribute("height"));
xoffset = float.Parse(reader.GetAttribute("xoffset"));
yoffset = float.Parse(reader.GetAttribute("yoffset"));
xadvance = float.Parse(reader.GetAttribute("xadvance"));
character_info = new CustomCharacterInfo();
character_info.flipped = false;
character_info.uv = new Rect((float) uv_x / (float) texture_width, 1 - ((float)uv_y / (float)texture_height) - (float)height/(float)texture_height, (float)width/(float)texture_width, (float)height/(float)texture_height);
character_info.vert = new Rect(xoffset,-yoffset,width, -height);
character_info.width = xadvance;
m_custom_font_data.m_character_infos.Add( int.Parse(reader.GetAttribute("id")), character_info);
}
}
}
}
else
#endif
if(m_font_data_file.text.Substring(0,4).Equals("info"))
{
// Plain txt format
m_current_font_data_file_name = m_font_data_file.name;
m_custom_font_data = new CustomFontCharacterData();
int texture_width = 0;
int texture_height = 0;
int uv_x, uv_y;
float width, height, xoffset, yoffset, xadvance;
CustomCharacterInfo character_info;
string[] data_fields;
string[] text_lines = m_font_data_file.text.Split(new char[]{'\n'});
foreach(string font_data in text_lines)
{
if(font_data.Length >= 5 && font_data.Substring(0,5).Equals("char "))
{
// character data line
data_fields = ParseFieldData(font_data, new string[]{"id=", "x=", "y=", "width=", "height=", "xoffset=", "yoffset=", "xadvance="});
uv_x = int.Parse(data_fields[1]);
uv_y = int.Parse(data_fields[2]);
width = float.Parse(data_fields[3]);
height = float.Parse(data_fields[4]);
xoffset = float.Parse(data_fields[5]);
yoffset = float.Parse(data_fields[6]);
xadvance = float.Parse(data_fields[7]);
character_info = new CustomCharacterInfo();
character_info.flipped = false;
character_info.uv = new Rect((float) uv_x / (float) texture_width, 1 - ((float)uv_y / (float)texture_height) - (float)height/(float)texture_height, (float)width/(float)texture_width, (float)height/(float)texture_height);
character_info.vert = new Rect(xoffset,-yoffset +1,width, -height);
character_info.width = xadvance;
m_custom_font_data.m_character_infos.Add( int.Parse(data_fields[0]), character_info);
}
else if(font_data.Length >= 6 && font_data.Substring(0,6).Equals("common"))
{
data_fields = ParseFieldData(font_data, new string[]{"scaleW=", "scaleH=", "base="});
texture_width = int.Parse(data_fields[0]);
texture_height = int.Parse(data_fields[1]);
m_font_baseline = int.Parse(data_fields[2]);
}
}
}
}
if(m_custom_font_data.m_character_infos.ContainsKey((int) m_character))
{
((CustomCharacterInfo) m_custom_font_data.m_character_infos[(int)m_character]).ScaleClone(FontScale, ref char_info);
return true;
}
}
return false;
}
public void ClearFontCharacterData()
{
if(m_custom_font_data != null)
{
m_custom_font_data.m_character_infos.Clear();
m_custom_font_data = null;
}
}