// Token: 0x06000C9A RID: 3226 RVA: 0x00059E6C File Offset: 0x0005806C
private void GeneratePatch(Vector3 camPos, Vector2Int p, ref bool generated, bool rebuildAll)
{
if (Utils.DistanceXZ(this.GetVegPatchCenter(p), camPos) > this.m_distance)
{
return;
}
ClutterSystem.PatchData patchData;
if (this.m_patches.TryGetValue(p, out patchData) && !patchData.m_reset)
{
patchData.m_timer = 0f;
return;
}
if (rebuildAll || !generated || this.m_menuHack)
{
ClutterSystem.PatchData patchData2 = this.GenerateVegPatch(p, this.m_grassPatchSize);
if (patchData2 != null)
{
ClutterSystem.PatchData patchData3;
if (this.m_patches.TryGetValue(p, out patchData3))
{
foreach (GameObject obj in patchData3.m_objects)
{
UnityEngine.Object.Destroy(obj);
}
this.FreePatch(patchData3);
this.m_patches.Remove(p);
}
this.m_patches.Add(p, patchData2);
generated = true;
}
}
}
// Token: 0x06000CA2 RID: 3234 RVA: 0x0005A756 File Offset: 0x00058956
private void FreePatch(ClutterSystem.PatchData patch)
{
patch.center = Vector3.zero;
patch.m_objects.Clear();
patch.m_timer = 0f;
patch.m_reset = false;
this.m_freePatches.Push(patch);
}
// Token: 0x06000CA0 RID: 3232 RVA: 0x0005A324 File Offset: 0x00058524
private ClutterSystem.PatchData GenerateVegPatch(Vector2Int patchID, float size)
{
Vector3 vegPatchCenter = this.GetVegPatchCenter(patchID);
float num = size / 2f;
Heightmap.Biome patchBiomes = this.GetPatchBiomes(vegPatchCenter, num);
if (patchBiomes == Heightmap.Biome.None)
{
return(null);
}
float realtimeSinceStartup = Time.realtimeSinceStartup;
UnityEngine.Random.State state = UnityEngine.Random.state;
ClutterSystem.PatchData patchData = this.AllocatePatch();
patchData.center = vegPatchCenter;
for (int i = 0; i < this.m_clutter.Count; i++)
{
ClutterSystem.Clutter clutter = this.m_clutter[i];
if (clutter.m_enabled && (patchBiomes & clutter.m_biome) != Heightmap.Biome.None)
{
InstanceRenderer instanceRenderer = null;
UnityEngine.Random.InitState(patchID.x * (patchID.y * 1374) + i * 9321);
Vector3 b = new Vector3(clutter.m_fractalOffset, 0f, 0f);
float num2 = Mathf.Cos(0.017453292f * clutter.m_maxTilt);
int num3 = (this.m_quality == ClutterSystem.Quality.High) ? clutter.m_amount : (clutter.m_amount / 2);
num3 = (int)((float)num3 * this.m_amountScale);
int j = 0;
while (j < num3)
{
Vector3 vector = new Vector3(UnityEngine.Random.Range(vegPatchCenter.x - num, vegPatchCenter.x + num), 0f, UnityEngine.Random.Range(vegPatchCenter.z - num, vegPatchCenter.z + num));
float num4 = (float)UnityEngine.Random.Range(0, 360);
if (!clutter.m_inForest)
{
goto IL_161;
}
float forestFactor = WorldGenerator.GetForestFactor(vector);
if (forestFactor >= clutter.m_forestTresholdMin && forestFactor <= clutter.m_forestTresholdMax)
{
goto IL_161;
}
IL_3D5:
j++;
continue;
IL_161:
if (clutter.m_fractalScale > 0f)
{
float num5 = Utils.Fbm(vector * 0.01f * clutter.m_fractalScale + b, 3, 1.6f, 0.7f);
if (num5 < clutter.m_fractalTresholdMin || num5 > clutter.m_fractalTresholdMax)
{
goto IL_3D5;
}
}
Vector3 vector2;
Vector3 vector3;
Heightmap heightmap;
Heightmap.Biome biome;
if (!this.GetGroundInfo(vector, out vector2, out vector3, out heightmap, out biome) || (clutter.m_biome & biome) == Heightmap.Biome.None)
{
goto IL_3D5;
}
float num6 = vector2.y - this.m_waterLevel;
if (num6 < clutter.m_minAlt || num6 > clutter.m_maxAlt || vector3.y < num2)
{
goto IL_3D5;
}
if (clutter.m_minOceanDepth != clutter.m_maxOceanDepth)
{
float oceanDepth = heightmap.GetOceanDepth(vector);
if (oceanDepth < clutter.m_minOceanDepth || oceanDepth > clutter.m_maxOceanDepth)
{
goto IL_3D5;
}
}
if (!clutter.m_onCleared || !clutter.m_onUncleared)
{
bool flag = heightmap.IsCleared(vector2);
if ((clutter.m_onCleared && !flag) || (clutter.m_onUncleared && flag))
{
goto IL_3D5;
}
}
vector = vector2;
if (clutter.m_snapToWater)
{
vector.y = this.m_waterLevel;
}
if (clutter.m_randomOffset != 0f)
{
vector.y += UnityEngine.Random.Range(-clutter.m_randomOffset, clutter.m_randomOffset);
}
Quaternion quaternion = Quaternion.identity;
if (clutter.m_terrainTilt)
{
quaternion = Quaternion.AngleAxis(num4, vector3);
}
else
{
quaternion = Quaternion.Euler(0f, num4, 0f);
}
if (clutter.m_instanced)
{
if (instanceRenderer == null)
{
GameObject gameObject = UnityEngine.Object.Instantiate <GameObject>(clutter.m_prefab, vegPatchCenter, Quaternion.identity, this.m_grassRoot.transform);
instanceRenderer = gameObject.GetComponent <InstanceRenderer>();
if (instanceRenderer.m_lodMaxDistance > this.m_distance - this.m_grassPatchSize / 2f)
{
instanceRenderer.m_lodMaxDistance = this.m_distance - this.m_grassPatchSize / 2f;
}
patchData.m_objects.Add(gameObject);
}
float scale = UnityEngine.Random.Range(clutter.m_scaleMin, clutter.m_scaleMax);
instanceRenderer.AddInstance(vector, quaternion, scale);
goto IL_3D5;
}
GameObject item = UnityEngine.Object.Instantiate <GameObject>(clutter.m_prefab, vector, quaternion, this.m_grassRoot.transform);
patchData.m_objects.Add(item);
goto IL_3D5;
}
}
}
UnityEngine.Random.state = state;
return(patchData);
}