public void Update(float dt)
{
if (m_firePointsCopy.Count == 0)
{
m_firePointsCopy.Count += m_fireData.Count;
m_fireData.Keys.CopyTo(m_firePointsCopy.Array, 0);
m_copyIndex = 0;
m_lastScanDuration = (float)(m_subsystemTime.GameTime - m_lastScanTime);
m_lastScanTime = m_subsystemTime.GameTime;
if (m_firePointsCopy.Count == 0)
{
m_fireSoundVolume = 0f;
}
}
if (m_firePointsCopy.Count > 0)
{
float num = MathUtils.Min(1f * dt * (float)m_firePointsCopy.Count + m_remainderToScan, 50f);
int num2 = (int)num;
m_remainderToScan = num - (float)num2;
int num3 = MathUtils.Min(m_copyIndex + num2, m_firePointsCopy.Count);
while (m_copyIndex < num3)
{
if (m_fireData.TryGetValue(m_firePointsCopy.Array[m_copyIndex], out FireData value))
{
int x = value.Point.X;
int y = value.Point.Y;
int z = value.Point.Z;
int num4 = Terrain.ExtractData(base.SubsystemTerrain.Terrain.GetCellValue(x, y, z));
m_fireSoundIntensity += 1f / (m_subsystemAudio.CalculateListenerDistanceSquared(new Vector3(x, y, z)) + 0.01f);
if ((num4 & 1) != 0)
{
value.Time0 -= m_lastScanDuration;
if (value.Time0 <= 0f)
{
QueueBurnAway(x, y, z + 1, value.FireExpandability * 0.85f);
}
foreach (KeyValuePair <Point3, float> expansionProbability in m_expansionProbabilities)
{
if (m_random.Float(0f, 1f) < expansionProbability.Value * m_lastScanDuration * value.FireExpandability)
{
m_toExpand[new Point3(x + expansionProbability.Key.X, y + expansionProbability.Key.Y, z + 1 + expansionProbability.Key.Z)] = value.FireExpandability * 0.85f;
}
}
}
if ((num4 & 2) != 0)
{
value.Time1 -= m_lastScanDuration;
if (value.Time1 <= 0f)
{
QueueBurnAway(x + 1, y, z, value.FireExpandability * 0.85f);
}
foreach (KeyValuePair <Point3, float> expansionProbability2 in m_expansionProbabilities)
{
if (m_random.Float(0f, 1f) < expansionProbability2.Value * m_lastScanDuration * value.FireExpandability)
{
m_toExpand[new Point3(x + 1 + expansionProbability2.Key.X, y + expansionProbability2.Key.Y, z + expansionProbability2.Key.Z)] = value.FireExpandability * 0.85f;
}
}
}
if ((num4 & 4) != 0)
{
value.Time2 -= m_lastScanDuration;
if (value.Time2 <= 0f)
{
QueueBurnAway(x, y, z - 1, value.FireExpandability * 0.85f);
}
foreach (KeyValuePair <Point3, float> expansionProbability3 in m_expansionProbabilities)
{
if (m_random.Float(0f, 1f) < expansionProbability3.Value * m_lastScanDuration * value.FireExpandability)
{
m_toExpand[new Point3(x + expansionProbability3.Key.X, y + expansionProbability3.Key.Y, z - 1 + expansionProbability3.Key.Z)] = value.FireExpandability * 0.85f;
}
}
}
if ((num4 & 8) != 0)
{
value.Time3 -= m_lastScanDuration;
if (value.Time3 <= 0f)
{
QueueBurnAway(x - 1, y, z, value.FireExpandability * 0.85f);
}
foreach (KeyValuePair <Point3, float> expansionProbability4 in m_expansionProbabilities)
{
if (m_random.Float(0f, 1f) < expansionProbability4.Value * m_lastScanDuration * value.FireExpandability)
{
m_toExpand[new Point3(x - 1 + expansionProbability4.Key.X, y + expansionProbability4.Key.Y, z + expansionProbability4.Key.Z)] = value.FireExpandability * 0.85f;
}
}
}
if (num4 == 0)
{
value.Time5 -= m_lastScanDuration;
if (value.Time5 <= 0f)
{
QueueBurnAway(x, y - 1, z, value.FireExpandability * 0.85f);
}
}
}
m_copyIndex++;
}
if (m_copyIndex >= m_firePointsCopy.Count)
{
m_fireSoundVolume = 0.75f * m_fireSoundIntensity;
m_firePointsCopy.Clear();
m_fireSoundIntensity = 0f;
}
}
if (m_subsystemTime.PeriodicGameTimeEvent(5.0, 0.0))
{
int num5 = 0;
int num6 = 0;
foreach (KeyValuePair <Point3, float> item in m_toBurnAway)
{
Point3 key = item.Key;
float value2 = item.Value;
base.SubsystemTerrain.ChangeCell(key.X, key.Y, key.Z, Terrain.ReplaceContents(0, 0));
if (value2 > 0.25f)
{
for (int i = 0; i < 5; i++)
{
Point3 point = CellFace.FaceToPoint3(i);
SetCellOnFire(key.X + point.X, key.Y + point.Y, key.Z + point.Z, value2);
}
}
float num7 = m_subsystemViews.CalculateDistanceFromNearestView(new Vector3(key));
if (num5 < 15 && num7 < 24f)
{
m_subsystemParticles.AddParticleSystem(new BurntDebrisParticleSystem(base.SubsystemTerrain, key.X, key.Y, key.Z));
num5++;
}
if (num6 < 4 && num7 < 16f)
{
m_subsystemAudio.PlayRandomSound("Audio/Sizzles", 1f, m_random.Float(-0.25f, 0.25f), new Vector3(key.X, key.Y, key.Z), 3f, autoDelay: true);
num6++;
}
}
foreach (KeyValuePair <Point3, float> item2 in m_toExpand)
{
SetCellOnFire(item2.Key.X, item2.Key.Y, item2.Key.Z, item2.Value);
}
m_toBurnAway.Clear();
m_toExpand.Clear();
}
m_subsystemAmbientSounds.FireSoundVolume = MathUtils.Max(m_subsystemAmbientSounds.FireSoundVolume, m_fireSoundVolume);
}
