public static Color I8Color(byte[] data, int pixOffset, N64IMode mode = N64IMode.AlphaCopyIntensity)
{
int i = data[pixOffset];
int a = i;
switch (mode)
{
case N64IMode.AlphaBinary: a = (i == 0) ? 0 : 0xFF; break;
case N64IMode.AlphaCopyIntensity: a = i; break;
case N64IMode.AlphaOne: a = 0xFF; break;
}
return(Color.FromArgb(a, i, i, i));
}
public static Color I4Color(byte[] data, int pixOffset, int nibble, N64IMode mode = N64IMode.AlphaCopyIntensity)
{
int shift = (1 - nibble) * 4;
int i = (data[pixOffset] >> shift) & 0xF;
i *= 0x11;
int a = i;
switch (mode)
{
case N64IMode.AlphaBinary: a = (i == 0) ? 0 : 0xFF; break;
case N64IMode.AlphaCopyIntensity: a = i; break;
case N64IMode.AlphaOne: a = 0xFF; break;
}
return(Color.FromArgb(a, i, i, i));
}
private void toolStripAlpha_SelectedIndexChanged(object sender, EventArgs e)
{
N64IMode prevMode = viewerMode;
switch (toolStripAlpha.SelectedIndex)
{
case 0: viewerMode = N64IMode.AlphaCopyIntensity; break;
case 1: viewerMode = N64IMode.AlphaBinary; break;
case 2: viewerMode = N64IMode.AlphaOne; break;
}
if (prevMode != viewerMode)
{
foreach (GraphicsViewer gv in viewers)
{
gv.Mode = viewerMode;
gv.Invalidate();
}
}
}
public static void RenderTexture(Graphics g, byte[] data, byte[] palette, int offset, int width, int height, int scale, N64Codec codec, N64IMode mode)
{
Brush brush;
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
int pixOffset = (h * width + w);
int bytesPerPix = 1;
int select = 0;
switch (codec)
{
case N64Codec.RGBA16: bytesPerPix = 2; pixOffset *= bytesPerPix; break;
case N64Codec.RGBA32: bytesPerPix = 4; pixOffset *= bytesPerPix; break;
case N64Codec.IA16: bytesPerPix = 2; pixOffset *= bytesPerPix; break;
case N64Codec.IA8: break;
case N64Codec.IA4:
select = pixOffset & 0x1;
pixOffset /= 2;
break;
case N64Codec.I8: break;
case N64Codec.I4:
case N64Codec.CI4:
select = pixOffset & 0x1;
pixOffset /= 2;
break;
case N64Codec.CI8: break;
case N64Codec.ONEBPP:
select = pixOffset & 0x7;
pixOffset /= 8;
break;
}
pixOffset += offset;
if (data.Length > pixOffset + bytesPerPix - 1)
{
brush = new SolidBrush(MakeColor(data, palette, pixOffset, select, codec, mode));
g.FillRectangle(brush, w * scale, h * scale, scale, scale);
}
}
}
}
public static Color MakeColor(byte[] data, byte[] palette, int offset, int select, N64Codec codec, N64IMode mode)
{
Color color;
switch (codec)
{
case N64Codec.RGBA16:
color = RGBA16Color(data, offset);
break;
case N64Codec.RGBA32:
color = RGBA32Color(data, offset);
break;
case N64Codec.IA16:
color = IA16Color(data, offset);
break;
case N64Codec.IA8:
color = IA8Color(data, offset);
break;
case N64Codec.IA4:
color = IA4Color(data, offset, select);
break;
case N64Codec.I8:
color = I8Color(data, offset, mode);
break;
case N64Codec.I4:
color = I4Color(data, offset, select, mode);
break;
case N64Codec.CI8:
color = CI8Color(data, palette, offset);
break;
case N64Codec.CI4:
color = CI4Color(data, palette, offset, select);
break;
case N64Codec.ONEBPP:
color = BPPColor(data, offset, select);
break;
default:
color = RGBA16Color(data, offset);
break;
}
return(color);
}
