public static MeshData GenerateTerrainMesh(DisplayReadySlice mapData, float heightMultiplier = 0f, int levelOfDetail = 0, float minHeight = 0f)
{
int width = mapData.GetWidth();
int height = mapData.GetHeight();
//Debug.Log("w: " + width + " h:" + height);
Vector2 topLeft = mapData.GetTopLeft();
float topLeftX = topLeft.x;
float topLeftZ = topLeft.y;
int actualLOD = mapData.GetActualLOD();
int verticesPerLine = GetVerticesPerDimension(width, actualLOD);
int verticesPerColumn = GetVerticesPerDimension(height, actualLOD);
MeshData meshData = new MeshData(verticesPerLine, verticesPerColumn);
int vertexIndex = 0;
for (int y = 0; y < height; y += mapData.SimplificationIncrementForY(y))
{
for (int x = 0; x < width; x += mapData.SimplificationIncrementForX(x))
{
meshData.vertices [vertexIndex] = new Vector3(topLeftX + x, mapData.GetNormalized(x, y), topLeftZ - y);
meshData.uvs [vertexIndex] = new Vector2(x / (float)width, y / (float)height);
if (x < width - 1 && y < height - 1)
{
meshData.AddTriangle(vertexIndex, vertexIndex + verticesPerLine + 1, vertexIndex + verticesPerLine);
meshData.AddTriangle(vertexIndex + verticesPerLine + 1, vertexIndex, vertexIndex + 1);
}
vertexIndex++;
}
}
return(meshData);
}
public Mesh FixNormals(Mesh mesh)
{
Vector3[] normals = mesh.normals;
int width = MeshGenerator.GetVerticesPerDimension(mapData.GetWidth(), GetActualLOD());
int height = MeshGenerator.GetVerticesPerDimension(mapData.GetHeight(), GetActualLOD());
foreach (DisplayNeighborRelation relation in mapData.GetDisplayNeighbors())
{
MapDisplay other = relation.GetOtherDisplay(mapData);
if (other == null || other.GetStatus() == MapDisplayStatus.HIDDEN)
{
continue;
}
Mesh otherMesh = relation.GetOtherMesh(mapData);
DisplayReadySlice otherSlice = relation.GetOtherDRSlice(mapData);
Vector3[] otherNormals = otherMesh.normals;
int otherWidth = MeshGenerator.GetVerticesPerDimension(otherSlice.GetWidth(), other.GetActualLOD());
int otherHeight = MeshGenerator.GetVerticesPerDimension(otherSlice.GetHeight(), other.GetActualLOD());
if (relation.IsFirstMember(mapData))
{
FixNormals(normals, width, height,
otherNormals, otherWidth, otherHeight,
relation.neighborType);
}
else
{
FixNormals(otherNormals, otherWidth, otherHeight,
normals, width, height,
relation.neighborType);
}
otherMesh.normals = otherNormals;
}
mesh.normals = normals;
return(mesh);
}