private void ExtendRiver(float[] flow, List <int>[] riverPaths, int index, RiverDef incomingRiver)
{
if (riverPaths[index] != null)
{
int bestOutput = riverPaths[index].MaxBy((int ni) => flow[ni]);
RiverDef riverDef = incomingRiver;
while (riverDef != null && (float)riverDef.degradeThreshold > flow[bestOutput])
{
riverDef = riverDef.degradeChild;
}
if (riverDef != null)
{
Find.WorldGrid.OverlayRiver(index, bestOutput, riverDef);
ExtendRiver(flow, riverPaths, bestOutput, riverDef);
}
if (incomingRiver.branches != null)
{
foreach (int alternateRiver in from ni in riverPaths[index]
where ni != bestOutput
select ni)
{
RiverDef.Branch branch2 = incomingRiver.branches.Where((RiverDef.Branch branch) => (float)branch.minFlow <= flow[alternateRiver]).MaxByWithFallback((RiverDef.Branch branch) => branch.minFlow);
if (branch2 != null && Rand.Value < branch2.chance)
{
Find.WorldGrid.OverlayRiver(index, alternateRiver, branch2.child);
ExtendRiver(flow, riverPaths, alternateRiver, branch2.child);
}
}
}
}
}
private void ExtendRiver(float[] flow, List <int>[] riverPaths, int index, RiverDef incomingRiver)
{
if (riverPaths[index] == null)
{
return;
}
int bestOutput = riverPaths[index].MaxBy((int ni) => flow[ni]);
RiverDef riverDef = incomingRiver;
while (riverDef != null && (float)riverDef.degradeThreshold > flow[bestOutput])
{
riverDef = riverDef.degradeChild;
}
if (riverDef != null)
{
Find.WorldGrid.OverlayRiver(index, bestOutput, riverDef);
this.ExtendRiver(flow, riverPaths, bestOutput, riverDef);
}
if (incomingRiver.branches != null)
{
using (IEnumerator <int> enumerator = (from ni in riverPaths[index]
where ni != bestOutput
select ni).GetEnumerator())
{
while (enumerator.MoveNext())
{
int alternateRiver = enumerator.Current;
RiverDef.Branch branch2 = (from branch in incomingRiver.branches
where (float)branch.minFlow <= flow[alternateRiver]
select branch).MaxByWithFallback((RiverDef.Branch branch) => branch.minFlow, null);
if (branch2 != null && Rand.Value < branch2.chance)
{
Find.WorldGrid.OverlayRiver(index, alternateRiver, branch2.child);
this.ExtendRiver(flow, riverPaths, alternateRiver, branch2.child);
}
}
}
}
}
private static int <ExtendRiver> m__2(RiverDef.Branch branch)
{
return(branch.minFlow);
}
