public T GetRandomClosest(Vector3 pos, PRNG prng, float maxDistance, List <Zone> excluded, int numAttempts = 5)
{
lock (_lock)
{
if (_zones.Count == 0)
{
return(default(T));
}
float bestDistance = maxDistance;
T res = default(T);
for (int i = 0; i < numAttempts; i++)
{
var zone = GetRandom(prng) as Zone;
if (excluded != null && excluded.Contains(zone))
{
continue;
}
float dist = Vector3.Distance(zone.GetCenter(), pos);
if (dist < bestDistance)
{
res = (T)zone;
bestDistance = dist;
}
}
return(res);
}
}
// Returns a random position within the zone.
public Vector3 GetRandomPos(PRNG prng)
{
return(new Vector3
{
x = prng.Get(mins.x, maxs.x),
y = prng.Get(mins.y, maxs.y),
z = prng.Get(mins.z, maxs.z),
});
}
public int GetZombieClass(World world, Chunk chunk, int x, int y, PRNG prng)
{
ChunkAreaBiomeSpawnData spawnData = chunk.GetChunkBiomeSpawnData();
if (spawnData == null)
{
#if DEBUG
Log.Out("No biome spawn data present");
#endif
return(-1);
}
var biomeData = world.Biomes.GetBiome(spawnData.biomeId);
if (biomeData == null)
{
#if DEBUG
Log.Out("No biome data for biome id {0}", spawnData.biomeId);
#endif
return(-1);
}
BiomeSpawnEntityGroupList biomeSpawnEntityGroupList = list[biomeData.m_sBiomeName];
if (biomeSpawnEntityGroupList == null)
{
#if DEBUG
Log.Out("No biome spawn group specified for {0}", biomeData.m_sBiomeName);
#endif
return(-1);
}
var numGroups = biomeSpawnEntityGroupList.list.Count;
if (numGroups == 0)
{
#if DEBUG
Log.Out("No biome spawn group is empty for {0}", biomeData.m_sBiomeName);
#endif
return(-1);
}
var dayTime = world.IsDaytime() ? EDaytime.Day : EDaytime.Night;
for (int i = 0; i < 5; i++)
{
int pickIndex = prng.Get(0, numGroups);
var pick = biomeSpawnEntityGroupList.list[pickIndex];
if (pick.daytime == EDaytime.Any || pick.daytime == dayTime)
{
int lastClassId = -1;
return(EntityGroups.GetRandomFromGroup(pick.entityGroupRefName, ref lastClassId));
}
}
return(-1);
}
public static TargetZone CreateRandom(PRNG prng, Vector3i worldMins, Vector3i worldMaxs)
{
float x = prng.Get(worldMins.x + BorderSize, worldMaxs.x - BorderSize);
float z = prng.Get(worldMins.z + BorderSize, worldMaxs.z - BorderSize);
return(new TargetZone
{
mins = new Vector3(x - ZoneSize, worldMins.y, z - ZoneSize),
maxs = new Vector3(x + ZoneSize, worldMaxs.y, z + ZoneSize),
center = new Vector3(x, worldMins.y, z),
});
}
public T GetRandom(PRNG prng, int lastIndex = -1)
{
lock (_lock)
{
if (_zones.Count == 0)
{
return(default(T));
}
for (int i = 0; i < 4; i++)
{
var idx = prng.Get(0, _zones.Count);
var zone = _zones[idx] as Zone;
if (zone.GetIndex() != lastIndex)
{
return((T)zone);
}
}
return(default(T));
}
}