// ChunkIndex can be a negative number
public override void LoadChunk(int chunkIndex)
{
if (IsRepeatRandom)
{
// Jump to a random chunk, if chunk not cool
if (chunkIndex >= ChunkFilePositions.Length || chunkIndex < 0)
{
chunkIndex = GameEnvironment.Random.Next(ChunkFilePositions.Length);
}
}
else
{
// Jump to repeat map
if (chunkIndex >= ChunkFilePositions.Length || chunkIndex < 0)
{
chunkIndex = chunkIndex % ChunkFilePositions.Length;
}
if (chunkIndex < 0)
{
chunkIndex = (ChunkFilePositions.Length + chunkIndex);
}
}
if (!ChunkTextures.ContainsKey(chunkIndex))
{
base.LoadChunk(chunkIndex);
}
}
protected override bool EnsureChunkDrawable(ref int chunkIndex)
{
if (IsRepeatRandom)
{
// Ensure randomly loaded chunk is valid
chunkIndex = Math.Abs(chunkIndex % (ChunkTextures.Count() - 1));
}
else
{
// Ensure wrapped chunk is valid
if (chunkIndex >= ChunkFilePositions.Length || chunkIndex < 0)
{
chunkIndex = chunkIndex % ChunkFilePositions.Length;
}
if (chunkIndex < 0)
{
chunkIndex = (ChunkFilePositions.Length + chunkIndex);
}
}
return(true); // no matter the index, draw the chunks
}
