public void CreatePrefab(VoxelData data, string pfName)
{
VoxelData dd = new VoxelData(data);
VerifyShaders();
GameObject obj = new GameObject(pfName);
obj.isStatic = importStatic;
OptimizedVoxelMesh assetDifuse = null;
Material diffuseMat = new Material(importDiffuseShader);
diffuseMat.name = "Diffuse";
diffuseMat.enableInstancing = true;
if (dd.VoxelCount() > 0)
{
assetDifuse = new OptimizedVoxelMesh(dd, importPivot, importTextureScale, importPadding, importScale);
assetDifuse.mesh.name = "Diffuse";
assetDifuse.texture.name = "Diffuse";
MeshFilter mf = obj.AddComponent <MeshFilter>();
mf.mesh = assetDifuse.mesh;
diffuseMat.mainTexture = assetDifuse.texture;
diffuseMat.SetFloat("_Metallic", 0);
diffuseMat.SetFloat("_Glossiness", 0);
MeshRenderer mr = obj.AddComponent <MeshRenderer>();
if (import2Sided)
{
mr.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.TwoSided;
}
mr.material = diffuseMat;
AddCollider(obj);
if (importRigidbody)
{
obj.AddComponent <Rigidbody>();
}
}
//create prefab
if (assetDifuse != null)
{
string assetPath = importAssetPath + pfName + ".asset";
string prefabPath = importAssetPath + pfName + ".prefab";
AssetDatabase.CreateAsset(new Mesh(), assetPath);
if (assetDifuse != null)
{
AssetDatabase.AddObjectToAsset(assetDifuse.mesh, assetPath);
AssetDatabase.AddObjectToAsset(assetDifuse.texture, assetPath);
AssetDatabase.AddObjectToAsset(diffuseMat, assetPath);
}
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
PrefabUtility.CreatePrefab(prefabPath, obj);
//GameObject prefab = PrefabUtility.CreatePrefab(prefabPath, obj);
//Selection.activeObject = prefab;
}
GameObject.DestroyImmediate(obj);
}
public PreviewVoxelMesh(VoxelData data)
{
List <Vector3> verts = new List <Vector3>();
List <int> idxs = new List <int>();
List <Color32> colors = new List <Color32>();
for (int x = 0; x < data.width; x++)
{
for (int y = 0; y < data.height; y++)
{
for (int z = 0; z < data.depth; z++)
{
if (data.IsVisible(x, y, z))
{
int i = verts.Count;
Color32 col = data.VoxelColor(x, y, z);
float c = ((float)((data.GetVoxel(x, y, z) - 1))) / 256;
Vector2 uv = new Vector2(c, 0);
//Top...
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
//Bottom...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
verts.Add(new Vector3(x + 1, y, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
i += 4;
//Front...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x + 1, y + 1, z));
verts.Add(new Vector3(x + 1, y, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
//Back...
verts.Add(new Vector3(x, y, z + 1));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
i += 4;
//Left...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
i += 4;
//Right...
verts.Add(new Vector3(x + 1, y, z));
verts.Add(new Vector3(x + 1, y + 1, z));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
}
}
}
}
//Debug.Log(verts.Count);
//Debug.Log(uvs.Count);
//Debug.Log(idxs.Count);
mesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
mesh.subMeshCount = 1;
mesh.vertices = verts.ToArray();
mesh.SetIndices(idxs.ToArray(), MeshTopology.Triangles, 0);
mesh.SetColors(colors);
mesh.RecalculateNormals();
}
private VoxelData MergedModels()
{
Vector3Int min = new Vector3Int(4096, 4096, 4096);
Vector3Int max = new Vector3Int(-4096, -4096, -4096);
for (int i = 0; i < importer.models.Count; i++)
{
Vector3Int s = importer.Size(i);
Vector3Int c = importer.modelOffsets[i];//centers
int xmin = c.x - (s.x / 2);
int xmax = c.x + (s.x / 2);
if (min.x > xmin)
{
min.x = xmin;
}
if (max.x < xmax)
{
max.x = xmax;
}
int ymin = c.y - (s.y / 2);
int ymax = c.y + (s.y / 2);
if (min.y > ymin)
{
min.y = ymin;
}
if (max.y < ymax)
{
max.y = ymax;
}
int zmin = c.z - (s.z / 2);
int zmax = c.z + (s.z / 2);
if (min.z > zmin)
{
min.z = zmin;
}
if (max.z < zmax)
{
max.z = zmax;
}
}
//Debug.Log(min.ToString());
//Debug.Log(max.ToString());
int w = Mathf.Abs(max.x - min.x) + 1;
int h = Mathf.Abs(max.y - min.y) + 1;
int d = Mathf.Abs(max.z - min.z) + 1;
//Debug.Log(w + "," + h + "," + d);
VoxelData data = new VoxelData(w, h, d, importer.palette, importer.materials);
//Merge all models...
for (int i = 0; i < importer.models.Count; i++)
{
Vector3Int s = importer.Size(i);
Vector3Int o = importer.modelOffsets[i];
o.x -= min.x;
o.y -= min.y;
o.z -= min.z;
o.x -= s.x / 2;
o.y -= s.y / 2;
o.z -= s.z / 2;
for (int x = 0; x < s.x; x++)
{
for (int y = 0; y < s.y; y++)
{
for (int z = 0; z < s.z; z++)
{
if (importer.models[i][x, y, z] > 0)
{
data.SetVoxel(x + o.x, y + o.y, z + o.z, importer.models[i][x, y, z]);
}
}
}
}
}
return(data);
}
