/// <summary>
/// Defines the texture from a bitmap.
/// All texture levels will be generated until the texture size is no longer divisible by two.
/// </summary>
/// <param name="format">The format to encode the new texture as.</param>
/// <param name="intFormat">The type of interpolation to use</param>
/// <param name="bmp">The bitmap that will define the texture.</param>
public void DefineTextureFromBitmap(GxTextureFormat format, GxInterpolationFormat intFormat, int numMipmaps, Bitmap bmp)
{
if (!SupportedTextureFormats.Contains(format))
{
throw new ArgumentOutOfRangeException("format", "Unsupported format.");
}
if (bmp == null)
{
throw new ArgumentNullException("bmp");
}
// Define all possible texture levels until the size
// of the texture can no longer be divided by two
int currentWidth = bmp.Width, currentHeight = bmp.Height;
for (int mipmapLevel = 0; mipmapLevel < numMipmaps; mipmapLevel++)
{
if (mipmapLevel == 0)
{
DefineMainLevelFromBitmap(format, intFormat, bmp);
}
else
{
DefineLevelDataFromBitmap(mipmapLevel, intFormat, DownscaleBitmap(mipmapLevel, intFormat, bmp));
}
if ((currentWidth % 2) != 0 || (currentHeight % 2) != 0)
{
break;
}
currentWidth /= 2;
currentHeight /= 2;
}
}
/// <summary>
/// Create a TPL texture file from the specified model.
/// </summary>
/// <param name="model">The model to create the TPL file from.</param>
/// <param name="textureIndexMapping">The correspondence between textures images in the model and the generated TPL texture indices.</param>
public Tpl(ObjMtlModel model, GxInterpolationFormat intFormat, int numMipmaps, out Dictionary <Bitmap, int> textureIndexMapping)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
// Gather all material definitions in the model
IEnumerable <ObjMtlMaterial> allMaterials = model.Objects
.SelectMany(o => o.Value.Meshes).Select(m => m.Material);
Dictionary <Bitmap, int> textureIndexMappingInt = new Dictionary <Bitmap, int>();
foreach (ObjMtlMaterial mat in allMaterials)
{
// Create and add texture for diffuse map
if (mat.DiffuseTextureMap != null && !textureIndexMappingInt.ContainsKey(mat.DiffuseTextureMap))
{
int textureIndex = Count;
TplTexture texture = new TplTexture(GxTextureFormat.CMPR, intFormat, numMipmaps, mat.DiffuseTextureMap);
Add(texture);
textureIndexMappingInt.Add(mat.DiffuseTextureMap, textureIndex);
}
}
// Replace the 'out' variable at the end so it does not get
// modified if an exception
textureIndexMapping = textureIndexMappingInt;
}
/// <summary>
/// Downscales a bitmap image with a specified interpolation algorithm
/// </summary>
/// <param name="level">The bitmap level fr downscaling</param>
/// <param name="intFormat">The type of interpolation to use</param>
/// <param name="bmp">The bitmap to downscale</param>
/// <returns>The downscaled bitmap</returns>
internal Bitmap DownscaleBitmap(int level, GxInterpolationFormat intFormat, Bitmap bmp)
{
if (intFormat == GxInterpolationFormat.NearestNeighbor)
{
return(DownscaleBitmapNearestNeighbor(level, bmp));
}
else
{
return(new Bitmap(bmp, width >> level, height >> level));
}
}
/// <summary>
/// Defines a texture and the respective mipmap levels of the texture from the respective files, starting from level 1.
///
/// </summary>
/// <param name="format">The format to encode the new texture as.</param>
/// <param name="intFormat">The type of interpolation to use.</param>
/// <param name="path">The path to the level 1 bitmap.</param>
public void DefineAllLevelsFromFiles(GxTextureFormat format, GxInterpolationFormat intFormat, String path)
{
int currentMipmapLevel = 1;
// Iterates until no more mipmap levels exist.
while (File.Exists(path))
{
DefineLevelDataFromBitmap(currentMipmapLevel, intFormat, new Bitmap(path));
currentMipmapLevel++;
// Gets the path to the next mipmap.
path = Regex.Replace(path, @"\d{1,}(?=\..{3,4}$)", currentMipmapLevel.ToString());
}
}
/// <summary>
/// Defines the texture from a bitmap.
/// All texture levels will be generated (if the provided bitmap is not specified as level 0) until the texture size is no longer divisible by two.
/// </summary>
/// <param name="format">The format to encode the new texture as.</param>
/// <param name="intFormat">The type of interpolation to use</param>
/// <param name="bmp">The bitmap that will define the texture.</param>
/// <param name="path">The path to the bitmap file.</param>
public void DefineTextureFromBitmap(GxTextureFormat format, GxInterpolationFormat intFormat, int numMipmaps, Bitmap bmp, String path = "")
{
if (!SupportedTextureFormats.Contains(format))
{
throw new ArgumentOutOfRangeException("format", "Unsupported format.");
}
if (bmp == null)
{
throw new ArgumentNullException("bmp");
}
// If the filename ends in '_0.???(?)' or ' 0.???(?)', import them from the respective files, otherwise, generate them.
if (Regex.IsMatch(path, @"(_| )0(?=\..{3,4}$)"))
{
DefineMainLevelFromBitmap(format, intFormat, bmp);
// Gets the path to the potential level 1 mipmap of the texture.
path = Regex.Replace(path, @"\d{1,}(?=\..{3,4}$)", "1");
DefineAllLevelsFromFiles(format, intFormat, path);
}
else
{
// Define all possible texture levels until the size
// of the texture can no longer be divided by two
int currentWidth = bmp.Width, currentHeight = bmp.Height;
for (int mipmapLevel = 0; mipmapLevel < numMipmaps; mipmapLevel++)
{
if (mipmapLevel == 0)
{
DefineMainLevelFromBitmap(format, intFormat, bmp);
}
else
{
DefineLevelDataFromBitmap(mipmapLevel, intFormat, DownscaleBitmap(mipmapLevel, intFormat, bmp));
}
if ((currentWidth % 2) != 0 || (currentHeight % 2) != 0)
{
break;
}
currentWidth /= 2;
currentHeight /= 2;
}
}
}
/// <summary>Define the main level of the texture from the given bitmap.</summary>
public void DefineMainLevelFromBitmap(GxTextureFormat newFormat, GxInterpolationFormat intFormat, Bitmap bmp)
{
if (!SupportedTextureFormats.Contains(newFormat))
{
throw new ArgumentOutOfRangeException("newFormat", "Unsupported format.");
}
if (bmp == null)
{
throw new ArgumentNullException("bmp");
}
format = newFormat;
width = bmp.Width;
height = bmp.Height;
encodedLevelData = new List <byte[]>();
DefineLevelDataFromBitmap(0, intFormat, bmp);
}
private void mipmapInterpolationDropDownItemClicked(object sender, EventArgs e)
{
string text = ((ToolStripMenuItem)sender).Text;
GxInterpolationFormat intEnum = EnumUtils.GetValueFromDescription <GxInterpolationFormat>(text);
intFormat = intEnum;
foreach (ToolStripMenuItem item in mipMapIntItems)
{
if (item.Text == text)
{
item.Checked = true;
}
else if (item.Checked)
{
item.Checked = false;
}
}
}
public void Load(ObjMtlModel model, GxInterpolationFormat intFormat, int numMipmaps, List <int> textureIds, out Dictionary <Bitmap, int> textureIndexMapping)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
// Gather all material definitions in the model
IEnumerable <ObjMtlMaterial> allMaterials = model.Objects
.SelectMany(o => o.Value.Meshes).Select(m => m.Material);
Dictionary <Bitmap, int> textureIndexMappingInt = new Dictionary <Bitmap, int>();
int textureCount = 0;
foreach (ObjMtlMaterial mat in allMaterials)
{
// Create and add texture for diffuse map
if (mat.DiffuseTextureMap != null && !BitmapComparision.ContainsBitmap(textureIndexMappingInt, mat.DiffuseTextureMap))
{
if (textureCount >= textureIds.Count)
{
throw new InvalidObjMtlFileException("Too many textures to import");
}
TplTexture texture = new TplTexture(GxTextureFormat.CMPR, intFormat, numMipmaps, mat.DiffuseTextureMap);
this[textureIds[textureCount]] = texture;
textureIndexMappingInt.Add(mat.DiffuseTextureMap, textureIds[textureCount]);
++textureCount;
}
}
// Replace the 'out' variable at the end so it does not get
// modified if an exception
textureIndexMapping = textureIndexMappingInt;
}
/// <summary>
/// Create or replace the specified texture level from the specified bitmap.
/// New texture levels must be created in order.
/// </summary>
public void DefineLevelDataFromBitmap(int level, GxInterpolationFormat intFormat, Bitmap bmp)
{
if (level > LevelCount) // We allow to either replace an existing level or to generate the next level
{
throw new ArgumentOutOfRangeException("level");
}
if (bmp == null)
{
throw new ArgumentNullException("bmp");
}
// Check that the bitmap is of the appropiate size to replace this texture
int levelWidth = width >> level;
int levelHeight = height >> level;
if (bmp.Width != levelWidth ||
bmp.Height != levelHeight)
{
throw new ArgumentOutOfRangeException("bmp", "Bitmap doesn't have the correct dimensions to replace this level.");
}
// Extract the BMP data as an array of ARGB8 pixels
BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height),
ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
byte[] levelData = new byte[bmpData.Height * bmpData.Stride];
Marshal.Copy(bmpData.Scan0, levelData, 0, bmpData.Height * bmpData.Stride);
bmp.UnlockBits(bmpData);
// LockBits gives us the data as ARGB when seen as uint,
// so we need to shuffle the bitmap data accordingly to go to RGBA
SwapRgbaFromToArgbAsUint(levelData, bmpData.Width, bmpData.Height, bmpData.Stride);
// Encode the data to the given format
DefineLevelData(level, bmpData.Stride, levelData);
}
/// <summary>
/// Create a TPL texture file from the specified model.
/// </summary>
/// <param name="model">The model to create the TPL file from.</param>
/// <param name="textureIndexMapping">The correspondence between textures images in the model and the generated TPL texture indices.</param>
public Tpl(ObjMtlModel model, GxInterpolationFormat intFormat, int numMipmaps, out Dictionary <Bitmap, int> textureIndexMapping)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
// Gather all material definitions in the model
IEnumerable <ObjMtlMaterial> allMaterials = model.Objects
.SelectMany(o => o.Value.Meshes).Select(m => m.Material);
Dictionary <Bitmap, int> textureIndexMappingInt = new Dictionary <Bitmap, int>();
foreach (ObjMtlMaterial mat in allMaterials)
{
// Create and add texture for diffuse map
if (mat.DiffuseTextureMap != null && !textureIndexMappingInt.ContainsKey(mat.DiffuseTextureMap))
{
int textureIndex = Count;
Match materialPreset = Regex.Match(mat.Name, @"(?<=TEX_)[^\]]*");
GxTextureFormat format = GxTextureFormat.CMPR;
if (materialPreset.Success)
{
switch (materialPreset.Value)
{
case "RGB5A3":
format = GxTextureFormat.RGB5A3;
break;
case "RGB565":
format = GxTextureFormat.RGB565;
break;
case "RGBA8":
format = GxTextureFormat.RGBA8;
break;
case "I4":
format = GxTextureFormat.I4;
break;
case "I8":
format = GxTextureFormat.I8;
break;
case "IA4":
format = GxTextureFormat.IA4;
break;
default:
break;
}
}
TplTexture texture = new TplTexture(format, intFormat, numMipmaps, mat.DiffuseTextureMap);
Add(texture);
textureIndexMappingInt.Add(mat.DiffuseTextureMap, textureIndex);
}
}
// Replace the 'out' variable at the end so it does not get
// modified if an exception
textureIndexMapping = textureIndexMappingInt;
}
/// <summary>
/// Create a new texture from the given bitmap.
/// </summary>
/// <param name="intFormat">The type of interpolation to use</param>
/// <param name="bmp">The bitmap to build the texture from.</param>
public TplTexture(GxTextureFormat format, GxInterpolationFormat intFormat, int numMipmaps, Bitmap bmp)
{
DefineTextureFromBitmap(format, intFormat, numMipmaps, bmp);
}
