protected override void RenderContent(RenderComposer composer)
{
// File selection.
if (ImGui.Button("Choose Texture File"))
{
var explorer = new FileExplorer <TextureAsset>(f =>
{
_fileName = Path.GetFileNameWithoutExtension(f.Name) + "Palette.xml";
var description = new PaletteDescription
{
BaseAsset = _fileName
};
Reset();
_baseTexture = f;
_description = description;
});
Parent.AddWindow(explorer);
}
if (ImGui.Button("Choose Palette File"))
{
var explorer = new FileExplorer <PaletteAsset>(f =>
{
_fileName = f.Name;
Reset();
_baseTexture = f.BaseTexture;
_description = f.Content;
});
Parent.AddWindow(explorer);
}
if (_description == null)
{
return;
}
// Extract the palette map and the default palette.
if (_defaultPalette == null)
{
_defaultPalette = new Palette
{
Name = "Default"
};
var pixelData = new byte[(int)(_baseTexture.Texture.Size.X * _baseTexture.Texture.Size.Y * 4)];
PixelFormat pixelFormat = _baseTexture.Texture.PixelFormat;
unsafe
{
fixed(void *p = &pixelData[0])
{
Texture.EnsureBound(_baseTexture.Texture.Pointer);
Gl.GetTexImage(TextureTarget.Texture2d, 0, pixelFormat, PixelType.UnsignedByte, new IntPtr(p));
}
}
_paletteMap = PaletteBaseTexture.GeneratePaletteMap(pixelData, pixelFormat, out List <Color> defaultCMap);
_defaultPalette.Colors = defaultCMap.ToArray();
ref Palette[] pals = ref _description.Palettes;
Array.Resize(ref pals, _description.Palettes.Length + 1);
pals[^ 1] = _defaultPalette;
protected override void RenderContent(RenderComposer composer)
{
// File selection.
if (ImGui.Button("Choose Texture File"))
{
var explorer = new FileExplorer <TextureAsset>(f =>
{
_fileName = Path.GetFileNameWithoutExtension(f.Name) + "Palette.xml";
var description = new PaletteDescription
{
BaseAsset = _fileName
};
Reset();
_baseTexture = f;
_description = description;
});
Parent.AddWindow(explorer);
}
if (ImGui.Button("Choose Palette File"))
{
var explorer = new FileExplorer <PaletteAsset>(f =>
{
_fileName = f.Name;
Reset();
_baseTexture = f.BaseTexture;
_description = f.Content;
});
Parent.AddWindow(explorer);
}
if (_description == null)
{
return;
}
// Extract the palette map and the default palette.
if (_defaultPalette == null)
{
_defaultPalette = new Palette
{
Name = "Default"
};
var pixelData = new byte[(int)(_baseTexture.Texture.Size.X * _baseTexture.Texture.Size.Y * 4)];
unsafe
{
fixed(void *p = &pixelData[0])
{
Texture.EnsureBound(_baseTexture.Texture.Pointer);
Gl.GetTexImage(TextureTarget.Texture2d, 0, PixelFormat.Bgra, PixelType.UnsignedByte, new IntPtr(p));
}
}
_paletteMap = ImageUtil.GeneratePaletteMap(pixelData, out List <Color> defaultCMap);
_defaultPalette.Colors = defaultCMap.ToArray();
}
if (ImGui.Button("Save"))
{
string xml = XMLFormat.To(_description);
File.WriteAllText(Helpers.CrossPlatformPath($"Assets/{_fileName}"), xml);
}
ImGui.Text(_fileName);
ImGui.Text("Palettes");
foreach (Palette p in _description.Palettes.Where(p => ImGui.Button(p.Name)))
{
_selectedPalette = p;
_updatePreview = true;
}
ImGui.InputText("New", ref _newPaletteName, 20);
ImGui.SameLine();
if (ImGui.Button("Create") && !string.IsNullOrEmpty(_newPaletteName))
{
_selectedPalette = new Palette
{
Name = _newPaletteName,
Colors = _description.GetPalette("Default").Colors.ToArray()
};
_newPaletteName = "";
Palette[] pals = _description.Palettes;
Array.Resize(ref pals, _description.Palettes.Length);
pals[^ 1] = _selectedPalette;
