static IEnumerator update(EntryHolder entries, SpawnInfo spawnInfo)
{
spawnInfo.group.spawns.notifyBegin();
SpawnState state = new SpawnState();
state.totalWeight = entries.sumWeight();
for (state.spawned = 0; state.spawned < spawnInfo.targetMemberCount; state.spawned++)
{
do
{
yield return(new WaitForSeconds(spawnInfo.intervalTime));
// グループ内に空きがなければ回り続ける
}while(spawnInfo.group.memberCount >= spawnInfo.group.maxStayCapacity);
var ent = spawnInfo.getEntry(ref state, ref spawnInfo, ref entries);
var act = spawnInfo.spawn(ent.definition, ref state, ref spawnInfo);
act.character = ent.ch;
spawnInfo.group.enter(act);
}
spawnInfo.group.spawns.notifyEnd();
}
/// <summary>
/// キャラクター生成を開始する。
/// </summary>
/// <param name="group">生まれた敵の属するグループ</param>
///
/// <param name="spawn">敵出現位置を決める関数</param>
///
/// <param name="getEntry">敵種類を決める関数</param>
///
static public void beginSpawn(ref EntryHolder entries, ref SpawnInfo spawnInfo)
{
spawnInfo.tfCenter = spawnInfo.tfCenter ?? spawnInfo.group.tf;
spawnInfo.getEntry = spawnInfo.getEntry ?? EntryGetterDefines.getEntryByWeight;
spawnInfo.spawn = spawnInfo.spawn ?? SpawnDefines.spawnOnGround;
GM.startCoroutine(update(entries, spawnInfo));
}
/// <summary>
/// 重みを生成数と解釈して、定常的に生成する。
/// </summary>
static public EntryUnit getEntryInOrder(ref SpawnState state, ref SpawnInfo spawnInfo, ref EntryHolder entries)
{
var ent = entries[state.entryIndex];
if (++state.entryCounter > ent.weight)
{
if (++state.entryIndex > entries.length)
{
state.entryIndex = 0;
}
state.entryCounter = 0;
}
return(ent);
}
/// <summary>
/// キャラクター定義エントリが、重み付きランダム値で選択される。
/// </summary>
static public EntryUnit getEntryByWeight(ref SpawnState state, ref SpawnInfo spawnInfo, ref EntryHolder entries)
{
var rvalue = Random.value * state.totalWeight;
var limit = 0.0f;
for (var i = entries.length; i-- > 1;)
{
limit += entries[i].weight;
if (rvalue < limit)
{
return(entries[i]);
}
}
return(entries[0]);
}
