void UpdateQuads(bool updateVerts, bool updateUVs, bool updateColor)
{
// deduce actual bounds
float[] xAxis, yAxis;
byte nonEmpty = ComputeSegments(out xAxis, out yAxis);
// deduce full update
bool fullUpdate = nonEmpty != m_Quads.Length;
// refresh quad list
if (fullUpdate == true)
{
RefreshQuadList(nonEmpty);
}
float originWidth = m_UVCoords.Width;
float originHeight = m_UVCoords.Height;
m_GuiRenderer.UVSpaceToPixelSpace(ref originWidth, ref originHeight);
float widthMult = originWidth / m_Size.x;
float heightMult = originHeight / m_Size.y;
// udpate quads
// we are going in bottom-up direction
// so we need to go from the end of the list
int quadIdx = 0;
for (int yIdx = 2; yIdx >= 0; --yIdx)
{
float y1 = yAxis[yIdx + 1];
float y2 = yAxis[yIdx];
// do not create quads for empty row
float posY1, posY2;
ComputeRealValues(2 - yIdx, m_Size.y, y1 * heightMult, y2 * heightMult, out posY1, out posY2);
if (posY2 - posY1 <= 0.0f)
{
continue;
}
for (int xIdx = 0; xIdx < 3; ++xIdx)
{
float x1 = xAxis[xIdx];
float x2 = xAxis[xIdx + 1];
// do not create quads for empty column
float posX1, posX2;
ComputeRealValues(xIdx, m_Size.x, x1 * widthMult, x2 * widthMult, out posX1, out posX2);
if (posX2 - posX1 <= 0.0f)
{
continue;
}
MFGuiQuad quad = m_Quads[quadIdx];
if (quad == null)
{
continue;
}
// update screen coords
if (fullUpdate == true || updateVerts == true)
{
Rect rect = new Rect(m_Offset.x + posX1, m_Offset.y + posY1, posX2 - posX1, posY2 - posY1);
if (nonEmpty > 1)
{
rect.x = rect.x - m_Size.x * 0.5f + rect.width * 0.5f;
rect.y = rect.y - m_Size.y * 0.5f + rect.height * 0.5f;
}
quad.UpdateVertices(m_GuiRenderer, matrix, rect, 0.0f);
}
// update UV coords
if (fullUpdate == true || updateUVs == true)
{
float uvX1, uvX2;
ComputeRealValues(xIdx, m_UVCoords.Width, x1, x2, out uvX1, out uvX2);
float uvY1, uvY2;
ComputeRealValues(2 - yIdx, m_UVCoords.Height, y1, y2, out uvY1, out uvY2);
Vector2 uvCoords = new Vector2(m_UVCoords.U + uvX1, m_UVCoords.V + uvY1);
Vector2 uvDimensions = new Vector2(uvX2 - uvX1, uvY2 - uvY1);
quad.UpdateUVs(m_GuiRenderer, uvCoords, uvDimensions);
}
// update color
if (fullUpdate == true || updateColor == true)
{
quad.SetColor(m_GuiRenderer, m_Color);
}
// go for new quad
quadIdx += 1;
}
}
}
