public HeightMap(float[,] values, float minValue, float maxValue, HeightMapSettings settings)
{
this.Values = values;
this.MinValue = minValue;
this.MaxValue = maxValue;
this.Settings = settings;
}
public static HeightMap GenerateHeightMap(int size, HeightMapSettings settings, Vector2 sampleCenter)
{
float[,] values = Noise.GenerateNoiseMap(size, settings.NoiseSettings, sampleCenter);
AnimationCurve heightCurve_threadSafe = new AnimationCurve(settings.HeightCurve.keys);
float minValue = float.MaxValue;
float maxValue = float.MinValue;
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
values[x, y] *= heightCurve_threadSafe.Evaluate(values[x, y]) * settings.HeightMultiplier;
if (values[x, y] > maxValue)
{
maxValue = values[x, y];
}
if (values[x, y] < minValue)
{
minValue = values[x, y];
}
}
}
return(new HeightMap(values, minValue, maxValue, settings));
}
/// <summary>
/// Generates a <see cref="DataMap"/> that consists of a heightmap, biomeMap and resourceMap based on a single size. Divides the resourceMap in <see cref="DataMap.ChunkParts"/> based on <see cref="MeshSettings.ChunkPartSizeRoot"/>
/// </summary>
/// <param name="terrainChunk">The terrain chunk that requested the DataMap.</param>
/// <returns></returns>
public static DataMap GenerateDataMap(MeshSettings meshSettings, HeightMapSettings heightMapSettings, BiomeMapSettings biomeMapSettings, ResourceMapSettings resourceMapSettings, TerrainChunk terrainChunk)
{
int size = meshSettings.NumVertsPerLine;
int uniformSize = size - 2;
// Generate data maps
HeightMap heightMap = HeightMapGenerator.GenerateHeightMap(size, heightMapSettings, terrainChunk.SampleCenter);
BiomeMap biomeMap = BiomeMapGenerator.GenerateBiomeMap(uniformSize, biomeMapSettings, terrainChunk.SampleCenter);
// Create chunk parts
Dictionary <Vector2, TerrainChunkPart> chunkParts = CreateChunkParts(uniformSize, meshSettings, terrainChunk);
FillChunkParts(uniformSize, ref chunkParts, meshSettings, resourceMapSettings, biomeMap, heightMap, terrainChunk);
return(new DataMap(uniformSize, heightMap, biomeMap, chunkParts));
}
public TerrainChunk(Vector2 coord, HeightMapSettings heightMapSettings, BiomeMapSettings biomeMapSettings, ResourceMapSettings resourceMapSettings, MeshSettings meshSettings, LODInfo[] detailLevels, int colliderLODIndex, Transform parent, TerrainViewer viewer, Material terrainMeshMaterial)
{
this.Coord = coord;
this.HeightMapSettings = heightMapSettings;
this.BiomeMapSettings = biomeMapSettings;
this.ResourceMapSettings = resourceMapSettings;
this.MeshSettings = meshSettings;
this.detailLevels = detailLevels;
this.colliderLODIndex = colliderLODIndex;
this.Viewer = viewer;
SampleCenter = coord * meshSettings.MeshWorldSize / meshSettings.MeshScale;
Vector2 position = coord * meshSettings.MeshWorldSize;
Bounds = new Bounds(position, Vector2.one * meshSettings.MeshWorldSize);
MeshObject = new GameObject("Terrain Chunk");
meshRenderer = MeshObject.AddComponent <MeshRenderer>();
meshFilter = MeshObject.AddComponent <MeshFilter>();
meshCollider = MeshObject.AddComponent <MeshCollider>();
meshRenderer.material = terrainMeshMaterial;
MeshObject.AddComponent <TerrainChunkInteraction>().TerrainChunk = this;
MeshObject.transform.position = new Vector3(position.x, 0, position.y);
MeshObject.transform.parent = parent;
MeshObject.layer = parent.gameObject.layer;
SetVisible(false);
lodMeshes = new LODMesh[detailLevels.Length];
for (int i = 0; i < detailLevels.Length; i++)
{
lodMeshes[i] = new LODMesh(detailLevels[i].Lod);
lodMeshes[i].UpdateCallback += UpdateTerrainChunk;
if (i == colliderLODIndex)
{
lodMeshes[i].UpdateCallback += UpdateCollisionMesh;
}
}
MaxViewDistance = detailLevels[detailLevels.Length - 1].VisibleDistanceThreshold;
}