int comparer(ConnectedTextureConfig c1, ConnectedTextureConfig c2)
{
if (c1.slots > c2.slots)
{
return(-1);
}
if (c1.slots < c2.slots)
{
return(1);
}
return(0);
}
void ComputeMatchesMatrix()
{
if (solve == null || solve.Length == 0)
{
solve = new int [256];
}
if (config == null)
{
return;
}
for (int k = 0; k < solve.Length; k++)
{
solve [k] = 0;
}
for (int k = 0; k < config.Length; k++)
{
int key = 0;
int slots = 0;
if (config [k].tl)
{
key += 1; slots++;
}
if (config [k].t)
{
key += 2; slots++;
}
if (config [k].tr)
{
key += 4; slots++;
}
if (config [k].l)
{
key += 8; slots++;
}
if (config [k].r)
{
key += 16; slots++;
}
if (config [k].bl)
{
key += 32; slots++;
}
if (config [k].b)
{
key += 64; slots++;
}
if (config [k].br)
{
key += 128; slots++;
}
config [k].key = key;
config [k].slots = slots;
solve [key] = config [k].textureIndex;
}
List <ConnectedTextureConfig> sortedConfig = new List <ConnectedTextureConfig> (config);
sortedConfig.Sort(comparer);
// Fill combinations
for (int k = 0; k < sortedConfig.Count; k++)
{
ConnectedTextureConfig c = sortedConfig [k];
for (int j = 1; j < 256; j++)
{
if (solve [j] == 0 && (j & c.key) == c.key)
{
solve [j] = c.textureIndex;
}
}
}
}