private void UpdateRiverAnchorEntry(Dictionary <int, GenStep_TerrainUpper.GRLT_Entry> entries, IntVec3 center, int entryId, float zValue)
{
float num = zValue - (float)entryId;
if (num > 2f)
{
return;
}
if (!entries.ContainsKey(entryId) || entries[entryId].bestDistance > num)
{
entries[entryId] = new GenStep_TerrainUpper.GRLT_Entry
{
bestDistance = num,
bestNode = center
};
}
}
private void GenerateRiverLookupTexture(Map map, RiverMaker riverMaker)
{
int num = Mathf.CeilToInt((from rd in DefDatabase <RiverDef> .AllDefs
select rd.widthOnMap / 2f + 8f).Max());
int num2 = Mathf.Max(4, num) * 2;
Dictionary <int, GenStep_TerrainUpper.GRLT_Entry> dictionary = new Dictionary <int, GenStep_TerrainUpper.GRLT_Entry>();
Dictionary <int, GenStep_TerrainUpper.GRLT_Entry> dictionary2 = new Dictionary <int, GenStep_TerrainUpper.GRLT_Entry>();
Dictionary <int, GenStep_TerrainUpper.GRLT_Entry> dictionary3 = new Dictionary <int, GenStep_TerrainUpper.GRLT_Entry>();
for (int i = -num2; i < map.Size.z + num2; i++)
{
for (int j = -num2; j < map.Size.x + num2; j++)
{
IntVec3 intVec = new IntVec3(j, 0, i);
Vector3 vector = riverMaker.WaterCoordinateAt(intVec);
int entryId = Mathf.FloorToInt(vector.z / 4f);
this.UpdateRiverAnchorEntry(dictionary, intVec, entryId, (vector.z + Mathf.Abs(vector.x)) / 4f);
this.UpdateRiverAnchorEntry(dictionary2, intVec, entryId, (vector.z + Mathf.Abs(vector.x - (float)num)) / 4f);
this.UpdateRiverAnchorEntry(dictionary3, intVec, entryId, (vector.z + Mathf.Abs(vector.x + (float)num)) / 4f);
}
}
int num3 = Mathf.Max(new int[]
{
dictionary.Keys.Min(),
dictionary2.Keys.Min(),
dictionary3.Keys.Min()
});
int num4 = Mathf.Min(new int[]
{
dictionary.Keys.Max(),
dictionary2.Keys.Max(),
dictionary3.Keys.Max()
});
for (int k = num3; k < num4; k++)
{
WaterInfo waterInfo = map.waterInfo;
if (dictionary2.ContainsKey(k) && dictionary2.ContainsKey(k + 1))
{
List <Vector3> riverDebugData = waterInfo.riverDebugData;
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary2[k];
riverDebugData.Add(grlt_Entry.bestNode.ToVector3Shifted());
List <Vector3> riverDebugData2 = waterInfo.riverDebugData;
grlt_Entry = dictionary2[k + 1];
riverDebugData2.Add(grlt_Entry.bestNode.ToVector3Shifted());
}
if (dictionary.ContainsKey(k) && dictionary.ContainsKey(k + 1))
{
List <Vector3> riverDebugData3 = waterInfo.riverDebugData;
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary[k];
riverDebugData3.Add(grlt_Entry.bestNode.ToVector3Shifted());
List <Vector3> riverDebugData4 = waterInfo.riverDebugData;
grlt_Entry = dictionary[k + 1];
riverDebugData4.Add(grlt_Entry.bestNode.ToVector3Shifted());
}
if (dictionary3.ContainsKey(k) && dictionary3.ContainsKey(k + 1))
{
List <Vector3> riverDebugData5 = waterInfo.riverDebugData;
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary3[k];
riverDebugData5.Add(grlt_Entry.bestNode.ToVector3Shifted());
List <Vector3> riverDebugData6 = waterInfo.riverDebugData;
grlt_Entry = dictionary3[k + 1];
riverDebugData6.Add(grlt_Entry.bestNode.ToVector3Shifted());
}
if (dictionary2.ContainsKey(k) && dictionary.ContainsKey(k))
{
List <Vector3> riverDebugData7 = waterInfo.riverDebugData;
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary2[k];
riverDebugData7.Add(grlt_Entry.bestNode.ToVector3Shifted());
List <Vector3> riverDebugData8 = waterInfo.riverDebugData;
grlt_Entry = dictionary[k];
riverDebugData8.Add(grlt_Entry.bestNode.ToVector3Shifted());
}
if (dictionary.ContainsKey(k) && dictionary3.ContainsKey(k))
{
List <Vector3> riverDebugData9 = waterInfo.riverDebugData;
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary[k];
riverDebugData9.Add(grlt_Entry.bestNode.ToVector3Shifted());
List <Vector3> riverDebugData10 = waterInfo.riverDebugData;
grlt_Entry = dictionary3[k];
riverDebugData10.Add(grlt_Entry.bestNode.ToVector3Shifted());
}
}
CellRect cellRect = new CellRect(-2, -2, map.Size.x + 4, map.Size.z + 4);
float[] array = new float[cellRect.Area * 2];
int num5 = 0;
for (int l = cellRect.minZ; l <= cellRect.maxZ; l++)
{
for (int m = cellRect.minX; m <= cellRect.maxX; m++)
{
IntVec3 a = new IntVec3(m, 0, l);
bool flag = true;
for (int n = 0; n < GenAdj.AdjacentCellsAndInside.Length; n++)
{
if (riverMaker.TerrainAt(a + GenAdj.AdjacentCellsAndInside[n], false) != null)
{
flag = false;
break;
}
}
if (!flag)
{
Vector2 p = a.ToIntVec2.ToVector2();
int num6 = int.MinValue;
Vector2 zero = Vector2.zero;
for (int num7 = num3; num7 < num4; num7++)
{
if (dictionary2.ContainsKey(num7) && dictionary2.ContainsKey(num7 + 1) && dictionary.ContainsKey(num7) && dictionary.ContainsKey(num7 + 1) && dictionary3.ContainsKey(num7) && dictionary3.ContainsKey(num7 + 1))
{
GenStep_TerrainUpper.GRLT_Entry grlt_Entry = dictionary2[num7];
Vector2 p2 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
grlt_Entry = dictionary2[num7 + 1];
Vector2 p3 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
grlt_Entry = dictionary[num7];
Vector2 p4 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
grlt_Entry = dictionary[num7 + 1];
Vector2 p5 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
grlt_Entry = dictionary3[num7];
Vector2 p6 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
grlt_Entry = dictionary3[num7 + 1];
Vector2 p7 = grlt_Entry.bestNode.ToIntVec2.ToVector2();
Vector2 vector2 = GenGeo.InverseQuadBilinear(p, p4, p2, p5, p3);
if (vector2.x >= -0.0001f && vector2.x <= 1.0001f && vector2.y >= -0.0001f && vector2.y <= 1.0001f)
{
zero = new Vector2(-vector2.x * (float)num, (vector2.y + (float)num7) * 4f);
num6 = num7;
break;
}
Vector2 vector3 = GenGeo.InverseQuadBilinear(p, p4, p6, p5, p7);
if (vector3.x >= -0.0001f && vector3.x <= 1.0001f && vector3.y >= -0.0001f && vector3.y <= 1.0001f)
{
zero = new Vector2(vector3.x * (float)num, (vector3.y + (float)num7) * 4f);
num6 = num7;
break;
}
}
}
if (num6 == -2147483648)
{
ZLogger.ErrorOnce("Failed to find all necessary river flow data", true);
}
array[num5] = zero.x;
array[num5 + 1] = zero.y;
}
num5 += 2;
}
}
float[] array2 = new float[cellRect.Area * 2];
float[] array3 = new float[]
{
0.123317f,
0.123317f,
0.123317f,
0.123317f,
0.077847f,
0.077847f,
0.077847f,
0.077847f,
0.195346f
};
int num8 = 0;
for (int num9 = cellRect.minZ; num9 <= cellRect.maxZ; num9++)
{
for (int num10 = cellRect.minX; num10 <= cellRect.maxX; num10++)
{
IntVec3 a2 = new IntVec3(num10, 0, num9);
float num11 = 0f;
float num12 = 0f;
float num13 = 0f;
for (int num14 = 0; num14 < GenAdj.AdjacentCellsAndInside.Length; num14++)
{
IntVec3 c = a2 + GenAdj.AdjacentCellsAndInside[num14];
if (cellRect.Contains(c))
{
int num15 = num8 + (GenAdj.AdjacentCellsAndInside[num14].x + GenAdj.AdjacentCellsAndInside[num14].z * cellRect.Width) * 2;
if (array[num15] != 0f || array[num15 + 1] != 0f)
{
num11 += array[num15] * array3[num14];
num12 += array[num15 + 1] * array3[num14];
num13 += array3[num14];
}
}
}
if (num13 > 0f)
{
array2[num8] = num11 / num13;
array2[num8 + 1] = num12 / num13;
}
num8 += 2;
}
}
array = array2;
for (int num16 = 0; num16 < array.Length; num16 += 2)
{
if (array[num16] != 0f || array[num16 + 1] != 0f)
{
Vector2 vector4 = Rand.InsideUnitCircle * 0.4f;
array[num16] += vector4.x;
array[num16 + 1] += vector4.y;
}
}
byte[] array4 = new byte[array.Length * 4];
Buffer.BlockCopy(array, 0, array4, 0, array.Length * 4);
map.waterInfo.riverOffsetMap = array4;
map.waterInfo.GenerateRiverFlowMap();
}
