/// <summary>
/// Output 32 bit Color data for image.
/// </summary>
/// <param name="br">Binary reader pointing to memory stream of data.</param>
/// <param name="palette">Color[] palette</param>
/// <param name="bIgnoreSize">
/// If true skip size check useful for files with more than just Tim
/// </param>
/// <returns>Color[]</returns>
/// <remarks>
/// This allows null palette but it doesn't seem to handle the palette being null
/// </remarks>
protected TextureBuffer CreateImageBuffer(BinaryReader br, Color[] palette = null)
{
br.BaseStream.Seek(TextureDataPointer, SeekOrigin.Begin);
var buffer = new TextureBuffer(Texture.Width, Texture.Height); //ARGB
if (Assert((buffer.Length / BPP) <= br.BaseStream.Length - br.BaseStream.Position)) //make sure the buffer is large enough
{
return(null);
}
if (BPP == 8)
{
for (var i = 0; i < buffer.Length; i++)
{
var colorKey = br.ReadByte();
if (colorKey < Texture.NumOfColors)
{
buffer[i] = palette[colorKey]; //color key
}
//else
// buffer[i] = Color.TransparentBlack; // trying something out of ordinary.
}
}
else if (BPP == 4)
{
for (var i = 0; i < buffer.Length; i++)
{
var colorKey = br.ReadByte();
buffer[i] = palette[colorKey & 0xf];
buffer[++i] = palette[colorKey >> 4];
}
}
else if (BPP == 16) //copied from overture
{
for (var i = 0; i < buffer.Length && br.BaseStream.Position + 2 < br.BaseStream.Length; i++)
{
buffer[i] = ABGR1555toRGBA32bit(br.ReadUInt16(), IgnoreAlpha);
}
}
else if (BPP == 24) //could be wrong. // assuming it is BGR
{
for (var i = 0; i < buffer.Length && br.BaseStream.Position + 2 < br.BaseStream.Length; i++)
{
var pixel = br.ReadBytes(3);
buffer[i] = new Color
{
r = pixel[2],
g = pixel[1],
b = pixel[0],
a = 0xFF
};
}
}
else
{
throw new Exception($"TIM_v2::CreateImageBuffer::TIM unsupported bits per pixel = {BPP}");
}
//Then in bs debug where ReadTexture store for all cluts
//data and then create Texture2D from there. (array of e.g. 15 texture2D)
return(buffer);
}
/// <summary>
/// Get Texture2D converted to 32bit color
/// </summary>
/// <param name="forcePalette">Desired Palette, see texture.NumOfPalettes. -1 is default.</param>
/// <param name="colors">Override colors of palette; Array size must match texture.NumOfColorsPerPalette</param>
/// <returns>32bit Texture2D</returns>
/// <remarks>
/// Some paletts are 256 but the game only uses 16 colors might need to make the restriction
/// more lax and allow any size array and only throw errors if the colorkey is greater than
/// size of array. Or we could treat any of those bad matches as transparent.
/// </remarks>
public override Texture2D GetTexture(Color[] colors)
{
if (Memory.graphics.GraphicsDevice == null)
{
return(null);
}
if (texture.PaletteFlag != 0)
{
if (colors == null)
{
throw new ArgumentNullException(nameof(colors));
}
//if (colors != null && colors.Length != texture.NumOfColours)
//{
// //if (colors.Length > texture.NumOfColours) //truncate colors to the correct amount. in some
// // colors = colors.Take(texture.NumOfColours).ToArray();
// //else // might need to expand the array the other way if we get more mismatches.
// //Array.Resize(ref colors,texture.NumOfColours);
// //throw new Exception($" custom colors parameter set but array size to match palette size: {texture.NumOfColours}");
//}
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
for (int i = 0; i < convertBuffer.Length && ms.Position < ms.Length; i++)
{
byte colorKey = br.ReadByte();
if (colorKey > colors.Length)
{
continue;
}
convertBuffer[i] = colors[colorKey];
}
return(convertBuffer.GetTexture());
}
}
else
{
if (texture.bytesPerPixel == 2)
{
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
for (int i = 0; ms.Position + 2 < ms.Length; i++)
{
convertBuffer[i] = ABGR1555toRGBA32bit(br.ReadUInt16());
}
return(convertBuffer.GetTexture());
}
}
else if (texture.bytesPerPixel == 3)
{
// not tested but vincent tim had support for it so i guess it's possible RGB or BGR
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
Color color;
color.A = 0xFF;
for (int i = 0; ms.Position + 3 < ms.Length; i++)
{
//RGB or BGR so might need to reorder things to RGB
color.B = br.ReadByte();
color.G = br.ReadByte();
color.R = br.ReadByte();
convertBuffer[i] = color;
}
return(convertBuffer.GetTexture());
}
}
}
return(null);
}
/// <summary>
/// Get Texture2D converted to 32bit color
/// </summary>
/// <param name="forcePalette">Desired Palette, see texture.NumOfPalettes. -1 is default.</param>
/// <param name="colors">Override colors of palette; Array size must match texture.NumOfColorsPerPalette</param>
/// <returns>32bit Texture2D</returns>
/// <remarks>
/// Some paletts are 256 but the game only uses 16 colors might need to make the restriction
/// more lax and allow any size array and only throw errors if the colorkey is greater than
/// size of array. Or we could treat any of those bad matches as transparent.
/// </remarks>
public override Texture2D GetTexture(Color[] colors = null)
{
if (Memory.graphics.GraphicsDevice != null)
{
if (texture.PaletteFlag != 0)
{
if (colors != null && colors.Length != texture.NumOfColours)
{
throw new Exception($" custom colors parameter set but array size to match palette size: {texture.NumOfColours}");
}
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
for (int i = 0; i < convertBuffer.Length && ms.Position < ms.Length; i++)
{
convertBuffer[i] = colors[br.ReadByte()]; //colorkey
}
return(convertBuffer.GetTexture());
}
}
else if (texture.bytesPerPixel == 2)
{
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
for (int i = 0; ms.Position + 2 < ms.Length; i++)
{
convertBuffer[i] = ABGR1555toRGBA32bit(br.ReadUInt16());
}
return(convertBuffer.GetTexture());
}
}
else if (texture.bytesPerPixel == 3)
{
// not tested but vincent tim had support for it so i guess it's possible RGB or BGR
MemoryStream ms;
using (BinaryReader br = new BinaryReader(ms = new MemoryStream(buffer)))
{
ms.Seek(TextureLocator, SeekOrigin.Begin);
TextureBuffer convertBuffer = new TextureBuffer(texture.Width, texture.Height);
Color color;
color.A = 0xFF;
for (int i = 0; ms.Position + 3 < ms.Length; i++)
{
//RGB or BGR so might need to reorder things to RGB
color.B = br.ReadByte();
color.G = br.ReadByte();
color.R = br.ReadByte();
convertBuffer[i] = color;
}
return(convertBuffer.GetTexture());
}
}
}
return(null);
}
