public static void CreateCubeMesh16x16(VOXCruncher it, ref Vector3[] vertices, ref Vector3[] normals, ref Vector2[] uv, ref int[] triangles, ref int index, float scaling)
{
Vector3 pos;
pos.x = (it.begin.x + it.end.x + 1) * 0.5f * scaling;
pos.y = (it.begin.y + it.end.y + 1) * 0.5f * scaling;
pos.z = (it.begin.z + it.end.z + 1) * 0.5f * scaling;
Vector3 scale;
scale.x = (it.end.x + 1 - it.begin.x) * scaling;
scale.y = (it.end.y + 1 - it.begin.y) * scaling;
scale.z = (it.end.z + 1 - it.begin.z) * scaling;
VOXModel.CreateCubeMesh16x16(ref vertices, ref normals, ref uv, ref triangles, ref index, it.faces, pos, scale, (uint)it.material);
}
public static int CalcFaceCountAsAllocate(VOXModel model, Color32[] palette, ref Dictionary <string, int> entities)
{
entities.Add("opaque", 0);
foreach (var it in model.voxels)
{
bool[] visiable = new bool[] { it.faces.left, it.faces.right, it.faces.top, it.faces.bottom, it.faces.front, it.faces.back };
int facesCount = 0;
for (int j = 0; j < 6; j++)
{
if (visiable[j])
{
facesCount++;
}
}
entities["opaque"] += facesCount;
}
return(entities.Count);
}
public static GameObject CreateGameObject(string name, VoxData data, Texture2D texture, Color32[] colors, float scale)
{
var cruncher = VOXPolygonCruncher.CalcVoxelCruncher(data, colors, VOXCruncherMode.Greedy);
var entities = new Dictionary <string, int>();
if (CalcFaceCountAsAllocate(cruncher, colors, ref entities) == 0)
{
throw new System.Exception(name + ": There is no voxel for this file");
}
var model = new GameObject(name);
foreach (var entity in entities)
{
if (entity.Value == 0)
{
continue;
}
var index = 0;
var allocSize = entity.Value;
var vertices = new Vector3[allocSize * 4];
var normals = new Vector3[allocSize * 4];
var uv = new Vector2[allocSize * 4];
var triangles = new int[allocSize * 6];
bool isTransparent = false;
foreach (var it in cruncher.voxels)
{
VOXModel.CreateCubeMesh16x16(it, ref vertices, ref normals, ref uv, ref triangles, ref index, scale);
isTransparent |= (colors[it.material].a < 255) ? true : false;
}
if (triangles.Length > 0)
{
Mesh mesh = new Mesh();
mesh.name = "mesh";
mesh.vertices = vertices;
mesh.normals = normals;
mesh.uv = uv;
mesh.triangles = triangles;
var meshFilter = model.AddComponent <MeshFilter>();
var meshRenderer = model.AddComponent <MeshRenderer>();
#if UNITY_EDITOR
MeshUtility.Optimize(mesh);
meshFilter.sharedMesh = mesh;
meshRenderer.sharedMaterial = new Material(Shader.Find("Mobile/Diffuse"));
meshRenderer.sharedMaterial.name = "material";
meshRenderer.sharedMaterial.mainTexture = texture;
#else
meshFilter.mesh = mesh;
meshRenderer.material = new Material(Shader.Find("Mobile/Diffuse"));
meshRenderer.material.mainTexture = texture;
#endif
}
}
return(model);
}
