private void DoCellSteadyEffects(IntVec3 c)
{
Room room = c.GetRoom(this.map, RegionType.Set_All);
bool flag = this.map.roofGrid.Roofed(c);
bool flag2 = room != null && room.UsesOutdoorTemperature;
if (room == null || flag2)
{
if (this.outdoorMeltAmount > 0f)
{
this.map.snowGrid.AddDepth(c, -this.outdoorMeltAmount);
}
if (!flag && this.snowRate > 0.001f)
{
this.AddFallenSnowAt(c, 0.046f * this.map.weatherManager.SnowRate);
}
}
if (room != null)
{
bool protectedByEdifice = SteadyEnvironmentEffects.ProtectedByEdifice(c, this.map);
TerrainDef terrain = c.GetTerrain(this.map);
List <Thing> thingList = c.GetThingList(this.map);
for (int i = 0; i < thingList.Count; i++)
{
Thing thing = thingList[i];
Filth filth = thing as Filth;
if (filth != null)
{
if (!flag && thing.def.filth.rainWashes && Rand.Chance(this.rainRate))
{
filth.ThinFilth();
}
}
else
{
this.TryDoDeteriorate(thing, flag, flag2, protectedByEdifice, terrain);
}
}
if (!flag2)
{
float temperature = room.Temperature;
if (temperature > 0f)
{
float num = this.MeltAmountAt(temperature);
if (num > 0f)
{
this.map.snowGrid.AddDepth(c, -num);
}
if (room.RegionType.Passable() && temperature > SteadyEnvironmentEffects.AutoIgnitionTemperatureRange.min)
{
float value = Rand.Value;
if (value < SteadyEnvironmentEffects.AutoIgnitionTemperatureRange.InverseLerpThroughRange(temperature) * 0.7f && Rand.Chance(FireUtility.ChanceToStartFireIn(c, this.map)))
{
FireUtility.TryStartFireIn(c, this.map, 0.1f);
}
if (value < 0.33f)
{
MoteMaker.ThrowHeatGlow(c, this.map, 2.3f);
}
}
}
}
}
this.map.gameConditionManager.DoSteadyEffects(c, this.map);
}
public static float FinalDeteriorationRate(Thing t, List <string> reasons = null)
{
if (t.Spawned)
{
Room room = t.GetRoom(RegionType.Set_Passable);
return(SteadyEnvironmentEffects.FinalDeteriorationRate(t, t.Position.Roofed(t.Map), room != null && room.UsesOutdoorTemperature, SteadyEnvironmentEffects.ProtectedByEdifice(t.Position, t.Map), t.Position.GetTerrain(t.Map), reasons));
}
return(SteadyEnvironmentEffects.FinalDeteriorationRate(t, false, false, false, null, reasons));
}