public Cube()
{
ByteBuffer byteBuf = ByteBuffer.AllocateDirect(vertices.Length * 4);
byteBuf.Order(ByteOrder.NativeOrder());
mVertexBuffer = byteBuf.AsFloatBuffer();
mVertexBuffer.Put(vertices);
mVertexBuffer.Position(0);
byteBuf = ByteBuffer.AllocateDirect(colors.Length * 4);
byteBuf.Order(ByteOrder.NativeOrder());
mColorBuffer = byteBuf.AsFloatBuffer();
mColorBuffer.Put(colors);
mColorBuffer.Position(0);
mIndexBuffer = ByteBuffer.AllocateDirect(indices.Length);
mIndexBuffer.Put(indices);
mIndexBuffer.Position(0);
}
private void copyPALtoBGRA(ByteBuffer buffer, byte[] curLine)
{
if (paletteA != null)
{
for (int i = 1, n = curLine.Length; i < n; i += 1)
{
int idx = curLine[i] & 255;
byte r = palette[idx * 3 + 0];
byte g = palette[idx * 3 + 1];
byte b = palette[idx * 3 + 2];
byte a = paletteA[idx];
buffer.Put(b).Put(g).Put(r).Put(a);
}
}
else
{
for (int i = 1, n = curLine.Length; i < n; i += 1)
{
int idx = curLine[i] & 255;
byte r = palette[idx * 3 + 0];
byte g = palette[idx * 3 + 1];
byte b = palette[idx * 3 + 2];
byte a = 0xFF;
buffer.Put(b).Put(g).Put(r).Put(a);
}
}
}
private void copyRGBAtoRGB(ByteBuffer buffer, byte[] curLine)
{
for (int i = 1, n = curLine.Length; i < n; i += 4)
{
buffer.Put(curLine[i]).Put(curLine[i + 1]).Put(curLine[i + 2]);
}
}
private void copyRGBtoBGRA(ByteBuffer buffer, byte[] curLine)
{
if (transPixel != null)
{
byte tr = transPixel[1];
byte tg = transPixel[3];
byte tb = transPixel[5];
for (int i = 1, n = curLine.Length; i < n; i += 3)
{
byte r = curLine[i];
byte g = curLine[i + 1];
byte b = curLine[i + 2];
byte a = (byte)0xFF;
if (r == tr && g == tg && b == tb)
{
a = 0;
}
buffer.Put(b).Put(g).Put(r).Put(a);
}
}
else
{
for (int i = 1, n = curLine.Length; i < n; i += 3)
{
buffer.Put(curLine[i + 2]).Put(curLine[i + 1]).Put(curLine[i]).Put((byte)0xFF);
}
}
}
private void copy(ByteBuffer buffer, byte[] curLine)
{
buffer.Put(curLine, 1, curLine.Length - 1);
}