void GenerateEditorFragment(TerrainFragment fragment, LodInfos lodInfo)
{
//in editor stuff
GameObject fragmentObj = new GameObject();
fragment.gameObject = fragmentObj;
fragment.BuildMesh();
fragmentObj.name = "Fragment lod " + lodInfo.lodLevel + " center " + lodInfo.center;
MeshRenderer meshRenderer = fragmentObj.AddComponent <MeshRenderer>();
if (material == null)
{
meshRenderer.sharedMaterial = new Material(Shader.Find("Standard"));
}
else
{
meshRenderer.sharedMaterial = material;
}
fragmentObj.transform.parent = transform;
MeshFilter meshFilter = fragmentObj.AddComponent <MeshFilter>();
meshFilter.sharedMesh = fragment.mesh;
}
public FragmentMeshData(Vector3[] vertices, int[] triangles, Vector3[] normals, LodInfos lodInfos)
{
this.vertices = vertices;
this.triangles = triangles;
this.lodInfos = lodInfos;
this.normals = normals;
}
TerrainFragment CreateNewFragment(LodInfos lodInfo, Vector3 localUp)
{
TerrainFragment fragment = new TerrainFragment(lodInfo, Vector3.up, this);
if (EditorApplication.isPlaying)
{
ThreadPool.QueueUserWorkItem(a => FragmentDataThread(fragment, OnFragmentDataRecived));
}
else
{
GenerateEditorFragment(fragment, lodInfo);
}
return(fragment);
}
void GenerateFragements()
{
visibleLastframeFragments = visibleFragments;
visibleFragments = new Dictionary <Vector2, TerrainFragment>();
int currentFragmentCoordX = Mathf.RoundToInt(viewerPosition.x / terrainSettings.fragmentSize);
int currentFragmentCoordY = Mathf.RoundToInt(viewerPosition.z / terrainSettings.fragmentSize); // to get the right player plane
for (int yOffset = -fragmentVisibleInViewDistance; yOffset <= fragmentVisibleInViewDistance; yOffset++)
{
for (int xOffset = -fragmentVisibleInViewDistance; xOffset <= fragmentVisibleInViewDistance; xOffset++)
{
Vector2 viewedFragmentCoord = new Vector2(currentFragmentCoordX + xOffset, currentFragmentCoordY + yOffset);
TerrainFragment existingFragment;
//need to check for lod level
//AnimationCurve lodCurveInfo = new AnimationCurve(lodCurve.keys);
LodInfos lodInfo = new LodInfos(viewedFragmentCoord, terrainSettings, lodThresholdsLevels, viewerPosition);
if (visibleLastframeFragments.TryGetValue(viewedFragmentCoord, out existingFragment))
{
if (existingFragment.lodInfos == lodInfo)
{
visibleFragments.Add(viewedFragmentCoord, existingFragment);
visibleLastframeFragments.Remove(viewedFragmentCoord);
}
else
{
TerrainFragment fragment = CreateNewFragment(lodInfo, Vector3.up);
visibleFragments.Add(viewedFragmentCoord, fragment);
}
}
else
{
TerrainFragment fragment = CreateNewFragment(lodInfo, Vector3.up);
visibleFragments.Add(viewedFragmentCoord, fragment);
}
}
}
}
public TerrainFragment(LodInfos lodInfos, Vector3 localUp, TerrainGenerator terrain)
{
this.lodInfos = lodInfos;
this.localUp = localUp;
this.terrain = terrain;
}
