int GetRandomGem()
{
// Get the next sequence
if (m_lSequence.Count <= m_nSequenceIndex)
{
m_mSequenceGemTypeMap.Clear();
m_nSequenceIndex = 0;
m_lSequence = m_SpawnPattern.GetSequence(m_nLevel, ref m_nSequenceIndexFromList);
// Determine gem type
while (m_mSequenceGemTypeMap.Count != m_nGemTypeNum)
{
// Get a range excluding these numbers
var range = Enumerable.Range(0, m_nGemTypeNum).Where(i => !m_mSequenceGemTypeMap.Contains(i));
// On assumption 'LOOKBACK_NUM < LANE_NUM'
var rand = new System.Random();
int index = rand.Next(0, m_nGemTypeNum - m_mSequenceGemTypeMap.Count);
int gemType = range.ElementAt(index);
m_mSequenceGemTypeMap.Add(gemType);
}
/*
* string log = "[ ";
* for ( int j = 0; j < m_mSequenceGemTypeMap.Count; ++j )
* {
* log += m_mSequenceGemTypeMap[j] + " ";
* }
* log += "]";
* Debug.Log( "Gem type map: " + log );
*/
}
int gemMapKey = m_lSequence[m_nSequenceIndex];
m_nSequenceIndex++;
return(m_mSequenceGemTypeMap[gemMapKey]);
// Old
/*
* bool random = true;
*
* if ( m_PreviousGems.Count > 0 )
* {
* random = ( m_PreviousGems.Count == 1 && m_nTotalGemCount < 3 ) ? Random.Range( 0, m_nGemTypeNum - 1 ) == 0 : false;
* }
*
* int gem = ( random ) ? Random.Range( 0, m_nGemTypeNum ) : m_PreviousGems[0];
*
* // If linkable, don't need to force generate same gem the next time round
* if ( m_aGemCount[gem] + 1 >= 3 )
* {
* m_PreviousGems.Remove( gem );
* }
* else
* {
* if( !m_PreviousGems.Contains( gem ) )
* {
* m_PreviousGems.Add( gem );
* }
* }
*
* return gem;
*/
}