public void UploadInGl()
{
var vertices = new Vertex[]
{
new Vertex(new Vector3(0, 0 + Size.Y, 0f), new Vector3(0, 0, 1), new Vector2(_uvStart.X, _uvStart.Y)),
new Vertex(new Vector3(0, 0, 0f), new Vector3(0, 0, 1), new Vector2(_uvStart.X, _uvEnd.Y)),
new Vertex(new Vector3(0 + Size.X, 0 + Size.Y, 0f), new Vector3(0, 0, 1), new Vector2(_uvEnd.X, _uvStart.Y)),
new Vertex(new Vector3(0 + Size.X, 0 + Size.Y, 0f), new Vector3(0, 0, 1), new Vector2(_uvEnd.X, _uvStart.Y)),
new Vertex(new Vector3(0, 0, 0f), new Vector3(0, 0, 1), new Vector2(_uvStart.X, _uvEnd.Y)),
new Vertex(new Vector3(0 + Size.X, 0, 0f), new Vector3(0, 0, 1), new Vector2(_uvEnd.X, _uvEnd.Y)),
};
if (_vbo == null)
{
_vbo = new Vbo();
}
_vbo.Bind();
_trianglesCount = vertices.Length;
_vbo.SetData(vertices);
_vbo.Unbind();
if (_vao == null)
{
_vao = new Vao <Vertex>();
}
_vao.BindVbo(_vbo, Shader, new[] {
new VertexAttribute("_pos", 3, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, 0),
new VertexAttribute("_uv", 2, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, Vector3.SizeInBytes * 2),
});
}
private void UpdateString()
{
var chars = new List <Vertex>(3 * _str.Length);
var split = _str.Split(new[] { '\n' }, StringSplitOptions.None);
var prevY = 0f;
for (int i = 0; i < split.Length; i++)
{
var prevX = 0f;
var leftPadding = TextAlignment == Alignment.LEFT ? 0 : (TextAlignment == Alignment.RIGHT ? -Font.GetStringWidth(split[i]) : -Font.GetStringWidth(split[i]) / 2);
prevY -= Font.CharHeight;
foreach (var c in split[i])
{
var u = Font.GetUFor(c);
chars.AddRange(new Vertex[]
{
new Vertex(new Vector3(prevX + leftPadding, prevY + Font.CharHeight, 0f), new Vector3(0, 0, 1), new Vector2(u, 0)),
new Vertex(new Vector3(prevX + leftPadding, prevY, 0f), new Vector3(0, 0, 1), new Vector2(u, Font.CharTextureHeight)),
new Vertex(new Vector3(prevX + leftPadding + Font.CharWidth, prevY + Font.CharHeight, 0f), new Vector3(0, 0, 1), new Vector2(u + Font.CharTextureLength, 0)),
new Vertex(new Vector3(prevX + leftPadding + Font.CharWidth, prevY + Font.CharHeight, 0f), new Vector3(0, 0, 1), new Vector2(u + Font.CharTextureLength, 0)),
new Vertex(new Vector3(prevX + leftPadding, prevY, 0f), new Vector3(0, 0, 1), new Vector2(u, Font.CharTextureHeight)),
new Vertex(new Vector3(prevX + leftPadding + Font.CharWidth, prevY, 0f), new Vector3(0, 0, 1), new Vector2(u + Font.CharTextureLength, Font.CharTextureHeight)),
});
prevX += Font.CharWidth;
}
}
if (_vbo == null)
{
_vbo = new Vbo();
}
_vbo.Bind();
var charsArray = chars.ToArray();
_trianglesCount = charsArray.Length;
_vbo.SetData(charsArray);
_vbo.Unbind();
if (_vao == null)
{
_vao = new Vao <Vertex>();
}
_vao.BindVbo(_vbo, Shader, new[] {
new VertexAttribute("_pos", 3, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, 0),
new VertexAttribute("_uv", 2, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, Vector3.SizeInBytes * 2),
});
}
public void BindVao(Shader shader)
{
if (VerticesCount <= 0)
{
return;
}
if (_vao == null)
{
_vao = new Vao <DebugObject>();
}
if (_lastUsedShader != shader.ProgramId)
{
_vao.BindVbo(_vbo, shader, new[] {
new VertexAttribute("_pos", 3, VertexAttribPointerType.Float, Vector3.SizeInBytes * 2 + 4, 0),
new VertexAttribute("_pos2", 3, VertexAttribPointerType.Float, Vector3.SizeInBytes * 2 + 4, Vector3.SizeInBytes),
new VertexAttribute("_type", 1, VertexAttribIntegerType.Int, Vector3.SizeInBytes * 2 + 4, Vector3.SizeInBytes * 2),
});
_lastUsedShader = shader.ProgramId;
}
}
public void BindVao(Shader shader)
{
if (VerticesCount <= 0)
{
return;
}
if (_vao == null)
{
_vao = new Vao <BlockInfo>();
}
if (_lastUsedShader != shader.ProgramId)
{
_vao.BindVbo(_vbo, shader, new[] {
new VertexAttribute("_pos", 3, VertexAttribPointerType.Float, Vector3.SizeInBytes + 8, 0),
new VertexAttribute("_blockIdAndVisibilityAndMetadata", 1, VertexAttribIntegerType.Int, Vector3.SizeInBytes + 8, Vector3.SizeInBytes),
new VertexAttribute("_humidityAndTemperature", 1, VertexAttribIntegerType.Int, Vector3.SizeInBytes + 8, Vector3.SizeInBytes + 4),
});
_lastUsedShader = shader.ProgramId;
}
}
public void BindVao(Shader shader)
{
if (VerticesCount <= 0)
{
return;
}
if (_vao == null)
{
_vao = new Vao <Vertex>();
}
if (_lastUsedShader != shader.ProgramId)
{
_vao.BindVbo(_vbo, shader, new[] {
new VertexAttribute("_pos", 3, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, 0),
new VertexAttribute("_norm", 3, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, Vector3.SizeInBytes),
new VertexAttribute("_uv", 2, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, Vector3.SizeInBytes * 2),
new VertexAttribute("_color", 4, VertexAttribPointerType.Float, Vector2.SizeInBytes + Vector3.SizeInBytes + Vector3.SizeInBytes + Vector4.SizeInBytes, Vector3.SizeInBytes * 2 + Vector2.SizeInBytes),
});
_lastUsedShader = shader.ProgramId;
}
}