public Text(ShaderProgram program, BMFont font, string text, Vector3 color, BMFont.Justification justification = BMFont.Justification.Left)
{
this.bitmapFont = font;
this.Program = program;
this.Justification = justification;
this.Color = color;
this.String = text;
this.Position = new Point(0, 0);
}
private void CreateStringInternal(string text, Vector3 color, BMFont.Justification justification, float scale)
{
int num1 = 0;
switch (justification)
{
case BMFont.Justification.Center:
num1 = -this.GetWidth(text) / 2;
break;
case BMFont.Justification.Right:
num1 = -this.GetWidth(text);
break;
}
Vector3 vector3 = Vector3.One * scale;
for (int index = 0; index < text.Length; ++index)
{
BMFont.Character character = this.characters[this.characters.ContainsKey(text[index]) ? text[index] : ' '];
float y = (float)this.Height - character.yoffset;
int num2 = num1 + 1;
BMFont.vertices[index * 4] = vector3 * new Vector3((float)num2, y, 0.0f);
BMFont.vertices[index * 4 + 1] = vector3 * new Vector3((float)num2, y - character.height, 0.0f);
BMFont.vertices[index * 4 + 2] = vector3 * new Vector3((float)num2 + character.width, y, 0.0f);
BMFont.vertices[index * 4 + 3] = vector3 * new Vector3((float)num2 + character.width, y - character.height, 0.0f);
num1 = num2 + (int)character.xadvance;
if ((int)text[index] == 95)
{
num1 += 3;
}
BMFont.uvs[index * 4] = new Vector2(character.x1, character.y1);
BMFont.uvs[index * 4 + 1] = new Vector2(character.x1, character.y2);
BMFont.uvs[index * 4 + 2] = new Vector2(character.x2, character.y1);
BMFont.uvs[index * 4 + 3] = new Vector2(character.x2, character.y2);
BMFont.indices[index * 6] = index * 4 + 2;
BMFont.indices[index * 6 + 1] = index * 4;
BMFont.indices[index * 6 + 2] = index * 4 + 1;
BMFont.indices[index * 6 + 3] = index * 4 + 3;
BMFont.indices[index * 6 + 4] = index * 4 + 2;
BMFont.indices[index * 6 + 5] = index * 4 + 1;
}
}
public Text(FontSize font, string text, Vector3 color, BMFont.Justification justification = BMFont.Justification.Left)
: this(Shaders.FontShader, FontFromSize(font), text, color, justification)
{
}
public Text(ShaderProgram program, BMFont font, string text, BMFont.Justification justification = BMFont.Justification.Left)
: this(program, font, text, new Vector3(1, 1, 1), justification)
{
}
public VAO <Vector3, Vector2> CreateString(Material program, string text, Vector3 color, BMFont.Justification justification = BMFont.Justification.Left, float scale = 1f)
{
if (text.Length > BMFont.maxStringLength)
{
BMFont.maxStringLength = (int)Math.Min((double)int.MaxValue, (double)text.Length * 1.5);
BMFont.vertices = new Vector3[BMFont.maxStringLength * 4];
BMFont.uvs = new Vector2[BMFont.maxStringLength * 4];
BMFont.indices = new int[BMFont.maxStringLength * 6];
}
this.CreateStringInternal(text, color, justification, scale);
return(new VAO <Vector3, Vector2>(program, new VBO <Vector3>(BMFont.vertices, text.Length * 4, BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw), new VBO <Vector2>(BMFont.uvs, text.Length * 4, BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw), new string[2] {
"in_position", "in_uv"
}, new VBO <int>(BMFont.indices, text.Length * 6, BufferTarget.ElementArrayBuffer, BufferUsageHint.StaticDraw)));
}
public void CreateString(VAO <Vector3, Vector2> vao, string text, Vector3 color, BMFont.Justification justification = BMFont.Justification.Left, float scale = 1f)
{
if (vao == null || (int)vao.vaoID == 0)
{
return;
}
if (vao.VertexCount != text.Length * 6)
{
throw new InvalidOperationException("Text length did not match the length of the current vertex array object.");
}
this.CreateStringInternal(text, color, justification, scale);
Gl.BufferSubData <Vector3>(vao.vbos[0].vboID, BufferTarget.ArrayBuffer, BMFont.vertices, text.Length * 4);
Gl.BufferSubData <Vector2>(vao.vbos[1].vboID, BufferTarget.ArrayBuffer, BMFont.uvs, text.Length * 4);
}
public Text(Text.FontSize font, string text, BMFont.Justification justification = BMFont.Justification.Left)
: this(Shaders.FontShader, Text.FontFromSize(font), text, Vector3.One, justification)
{
}
public Text(Material program, BMFont font, string text, BMFont.Justification justification = BMFont.Justification.Left)
: this(program, font, text, new Vector3(1f, 1f, 1f), justification)
{
}
