public TerrainChunk Initialize(TerrainManager terrainManager, int cellsPerChunk, ChunkLocation location, TerrainGenerator terrainGenerator, Material chunkMaterial)
{
this.terrainManager = terrainManager;
transform.position = new Vector3(location.GetX() * cellsPerChunk, 0, location.GetZ() * cellsPerChunk);
transform.name = "Chunk";
gameObject.layer = 8;
this.location = location;
this.cellsPerChunk = cellsPerChunk;
cellHeights = new float[cellsPerChunk + 1, cellsPerChunk + 1];
for (int i = 0; i < cellsPerChunk + 1; i++)
{
for (int j = 0; j < cellsPerChunk + 1; j++)
{
cellHeights[i, j] = terrainGenerator.GetTerrainHeight(i + location.GetAbsX(), j + location.GetAbsZ());
}
}
chunkCells = new TerrainCell[cellsPerChunk, cellsPerChunk];
for (int i = 0; i < cellsPerChunk; i++)
{
for (int j = 0; j < cellsPerChunk; j++)
{
CellLocation loc = new CellLocation(i, j, location);
chunkCells[i, j] = new TerrainCell(loc, terrainGenerator);
}
}
m_material = chunkMaterial;
GetComponent <MeshRenderer>().material = m_material;
return(this);
}
Mesh GenChunkByVertex(int numCells, string name)
{
int numVerts = (numCells + 1) * (numCells + 1) * 6;
int numTriangles = (numCells + 1) * (numCells + 1) * 6;
Vector3[] verts = new Vector3[numVerts];
int[] triangles = new int[numTriangles];
Vector3[] normals = new Vector3[numVerts];
Vector2[] uv = new Vector2[numVerts];
Color[] colors = new Color[numVerts];
int counter = 0;
for (int i = 0; i < numCells; i++)
{
for (int j = 0; j < numCells; j++)
{
TerrainCell curCell = chunkCells[i, j];
float regolith = curCell.GetRegolithAmount();
Vector3 uL = new Vector3(i, cellHeights[i, j], j);
Vector3 uR = new Vector3(i, cellHeights[i, j + 1], j + 1);
Vector3 lL = new Vector3(i + 1, cellHeights[i + 1, j], j);
Vector3 lR = new Vector3(i + 1, cellHeights[i + 1, j + 1], j + 1);
curCell.UpdateIsFlat(cellHeights[i, j] == cellHeights[i, j + 1] && cellHeights[i, j + 1] == cellHeights[i + 1, j] && cellHeights[i + 1, j] == cellHeights[i + 1, j + 1]);
if (Mathf.Abs(uL.y - lR.y) < Mathf.Abs(uR.y - lL.y))
{
verts[counter] = uL;
verts[counter + 1] = uR;
verts[counter + 2] = lR;
verts[counter + 3] = uL;
verts[counter + 4] = lR;
verts[counter + 5] = lL;
Vector3 a = uL - uR;
Vector3 b = lR - uR;
Vector3 abCross = Vector3.Cross(b, a).normalized;
Vector3 c = uL - lL;
Vector3 d = lR - lL;
Vector3 cdCross = Vector3.Cross(c, d).normalized;
normals[counter] = normals[counter + 1] = normals[counter + 2] = abCross;
normals[counter + 3] = normals[counter + 4] = normals[counter + 5] = cdCross;
uv[counter] = new Vector2(0, 0);
uv[counter + 1] = new Vector2(0, 1);
uv[counter + 2] = new Vector2(1, 1);
uv[counter + 3] = new Vector2(0, 0);
uv[counter + 4] = new Vector2(1, 1);
uv[counter + 5] = new Vector2(1, 0);
}
else
{
verts[counter] = uL;
verts[counter + 1] = uR;
verts[counter + 2] = lL;
verts[counter + 3] = uR;
verts[counter + 4] = lR;
verts[counter + 5] = lL;
Vector3 a = uL - uR;
Vector3 b = lL - uR;
Vector3 abCross = Vector3.Cross(b, a).normalized;
Vector3 c = uR - lR;
Vector3 d = lL - lR;
Vector3 cdCross = Vector3.Cross(d, c).normalized;
normals[counter] = normals[counter + 1] = normals[counter + 2] = abCross;
normals[counter + 3] = normals[counter + 4] = normals[counter + 5] = cdCross;
uv[counter] = new Vector2(0, 0);
uv[counter + 1] = new Vector2(0, 1);
uv[counter + 2] = new Vector2(1, 0);
uv[counter + 3] = new Vector2(0, 1);
uv[counter + 4] = new Vector2(1, 1);
uv[counter + 5] = new Vector2(1, 0);
}
/*if (curCell.iron > curCell.ice && curCell.iron > curCell.helium)
* for (int a = counter; a < 6; a++)
* colors[a] = iron;
* else if (curCell.ice > curCell.iron && curCell.ice > curCell.helium)
* for (int a = counter; a < 6; a++)
* colors[a] = ice;
* else if (curCell.helium > curCell.iron && curCell.helium > curCell.ice)
* for (int a = counter; a < 6; a++)
* colors[a] = helium;
* else*/
for (int a = counter; a < 6; a++)
{
colors[a] = ice;
}
counter += 6;
}
}
for (int i = 0; i < numCells * numCells * 6; i++)
{
triangles[i] = i; //no vertex saving, each triangle gets its own three vertices, in order
}
Mesh mesh = new Mesh();
mesh.name = name;
mesh.vertices = verts;
mesh.triangles = triangles;
mesh.normals = normals;
mesh.uv = uv;
mesh.colors = colors;
return(mesh);
}
