private static void DestroyTrees(int seed, InstanceManager.Group group, Vector3 position, float totalRadius, float removeRadius, float destructionRadiusMin, float destructionRadiusMax, float burnRadiusMin, float burnRadiusMax)
{
int num = Mathf.Max((int)((position.x - totalRadius) / 32f + 270f), 0);
int num2 = Mathf.Max((int)((position.z - totalRadius) / 32f + 270f), 0);
int num3 = Mathf.Min((int)((position.x + totalRadius) / 32f + 270f), 539);
int num4 = Mathf.Min((int)((position.z + totalRadius) / 32f + 270f), 539);
Array32 <global::TreeInstance> trees = Singleton <TreeManager> .instance.m_trees;
uint[] treeGrid = Singleton <TreeManager> .instance.m_treeGrid;
for (int i = num2; i <= num4; i++)
{
for (int j = num; j <= num3; j++)
{
uint num5 = treeGrid[i * 540 + j];
int num6 = 0;
while (num5 != 0u)
{
uint nextGridTree = trees.m_buffer[(int)((UIntPtr)num5)].m_nextGridTree;
global::TreeInstance.Flags flags = (global::TreeInstance.Flags)trees.m_buffer[(int)((UIntPtr)num5)].m_flags;
if ((flags & (global::TreeInstance.Flags.Created | global::TreeInstance.Flags.Deleted)) == global::TreeInstance.Flags.Created)
{
Vector3 position2 = trees.m_buffer[(int)((UIntPtr)num5)].Position;
float num7 = VectorUtils.LengthXZ(position2 - position);
if (num7 < totalRadius)
{
Randomizer randomizer = new Randomizer(num5 | (uint)((uint)seed << 16));
float num8 = (burnRadiusMax - num7) / Mathf.Max(1f, burnRadiusMax - burnRadiusMin);
bool flag = num7 < removeRadius;
bool flag2 = (float)randomizer.Int32(1000u) < num8 * 1000f;
if (flag)
{
Singleton <TreeManager> .instance.ReleaseTree(num5);
}
else if (flag2 && (flags & global::TreeInstance.Flags.FireDamage) == global::TreeInstance.Flags.None)
{
Singleton <TreeManager> .instance.BurnTree(num5, group, 128);
}
}
}
num5 = nextGridTree;
if (++num6 >= LimitTreeManager.Helper.TreeLimit)
{
CODebugBase <LogChannel> .Error(LogChannel.Core, "Invalid list detected!\n" + Environment.StackTrace);
break;
}
}
}
}
}
private static uint FindBurningTree(int seed, Vector3 pos, float maxDistance, Vector3 priorityPos)
{
TreeManager instance = Singleton <TreeManager> .instance;
int num = Mathf.Max((int)((pos.x - maxDistance) / 32f + 270f), 0);
int num2 = Mathf.Max((int)((pos.z - maxDistance) / 32f + 270f), 0);
int num3 = Mathf.Min((int)((pos.x + maxDistance) / 32f + 270f), 539);
int num4 = Mathf.Min((int)((pos.z + maxDistance) / 32f + 270f), 539);
float num5 = maxDistance * maxDistance;
int num6 = 1000000000;
uint result = 0u;
for (int i = num2; i <= num4; i++)
{
for (int j = num; j <= num3; j++)
{
uint num7 = instance.m_treeGrid[i * 540 + j];
int num8 = 0;
while (num7 != 0u)
{
global::TreeInstance.Flags flags = (global::TreeInstance.Flags)instance.m_trees.m_buffer[(int)((UIntPtr)num7)].m_flags;
if ((flags & global::TreeInstance.Flags.Burning) != global::TreeInstance.Flags.None && instance.m_trees.m_buffer[(int)((UIntPtr)num7)].GrowState != 0)
{
Vector3 position = instance.m_trees.m_buffer[(int)((UIntPtr)num7)].Position;
float num9 = VectorUtils.LengthSqrXZ(position - pos);
if (num9 < num5)
{
Randomizer randomizer = new Randomizer((uint)(seed ^ (int)num7));
int num10 = Mathf.RoundToInt(VectorUtils.LengthXZ(position - priorityPos));
num10 = randomizer.Int32(num10 >> 1, num10);
if (num10 < num6)
{
result = num7;
num6 = num10;
}
}
}
num7 = instance.m_trees.m_buffer[(int)((UIntPtr)num7)].m_nextGridTree;
if (++num8 >= LimitTreeManager.Helper.TreeLimit)
{
CODebugBase <LogChannel> .Error(LogChannel.Core, "Invalid list detected!\n" + Environment.StackTrace);
break;
}
}
}
}
return(result);
}