private void ProcessColors(Texture2D palette, int colorX, int colorY, Func <Color, Color, int, Color> action)
{
int x0, y0, x1, y1;
PaletteEditMode mode = (PaletteEditMode)_guiEditMode.value;
switch (mode)
{
default:
case PaletteEditMode.Single:
x0 = colorX;
x1 = colorX + 1;
y0 = colorY;
y1 = colorY + 1;
break;
case PaletteEditMode.Row:
x0 = 0;
x1 = palette.width;
y0 = colorY;
y1 = colorY + 1;
break;
case PaletteEditMode.Column:
x0 = colorX;
x1 = colorX + 1;
y0 = 0;
y1 = palette.height;
break;
case PaletteEditMode.All:
x0 = 0;
x1 = palette.width;
y0 = 0;
y1 = palette.height;
break;
}
int rootColorY = palette.height - 1;
for (int y = y0; y < y1; y++)
{
for (int x = x0; x < x1; x++)
{
int shade = rootColorY - y;
Color rootColor = palette.GetPixel(x, rootColorY);
Color inputColor = palette.GetPixel(x, y);
Color output = action(rootColor, inputColor, shade);
palette.SetPixel(x, y, output);
_guiColorFields[shade * palette.width + x].color = output;
}
}
palette.Apply();
_paletteDirty = true;
}
private void GenerateShadesClicked(GUIBase sender)
{
Texture2D texture = _guiTexture.texture;
if (texture == null)
{
return;
}
if (IsTextureReadWrite(texture))
{
Undo.RecordObject(texture, "Edit Palette");
int lastShadeIndex = texture.height - 1;
float h = _guiHue.value;
float s = _guiSaturation.value;
float l = _guiLuminance.value;
PaletteEditMode mode = (PaletteEditMode)_guiEditMode.value;
if (mode == PaletteEditMode.Single || mode == PaletteEditMode.Row)
{
ProcessColors(texture, _selectedColorX, _selectedColorY, (root, input, shade) => {
return(OffsetColorHSL(input, 1.0f, h, s, l));
});
}
else
{
ProcessColors(texture, _selectedColorX, _selectedColorY, (root, input, shade) => {
float a = (float)shade / (float)lastShadeIndex;
return(OffsetColorHSL(root, a, h, s, l));
});
}
}
else
{
HandleTextureNotReadWrite();
}
}
