private void CreateCustomMesh(ushort voxel, int x, int y, int z, Mesh mesh)
{
Voxel voxelComponent = MasterEngine.getInstance().GetVoxelType(voxel);
List <int> FacesList = Faces[voxelComponent.VSubmeshIndex];
// check if mesh exists
if (mesh == null)
{
Debug.LogError("StarColony: The voxel id " + voxel + " uses a custom mesh, but no mesh has been assigned!");
return;
}
// === mesh
// check if we still have room for more vertices in the mesh
if (Vertices.Count + mesh.vertices.Length > 65534)
{
CreateNewMeshObject();
}
// rotate vertices depending on the mesh rotation setting
List <Vector3> rotatedVertices = new List <Vector3>();
MeshRotation rotation = voxelComponent.VRotation;
// 180 horizontal (reverse all x and z)
if (rotation == MeshRotation.back)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(-vertex.x, vertex.y, -vertex.z));
}
}
// 90 right
else if (rotation == MeshRotation.right)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(vertex.z, vertex.y, -vertex.x));
}
}
// 90 left
else if (rotation == MeshRotation.left)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(-vertex.z, vertex.y, vertex.x));
}
}
// no rotation
else
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(vertex);
}
}
// vertices
foreach (Vector3 vertex in rotatedVertices)
{
Vertices.Add(vertex + new Vector3(x, y, z)); // add all vertices from the mesh
}
// UVs
foreach (Vector2 uv in mesh.uv)
{
UVs.Add(uv);
}
// faces
foreach (int face in mesh.triangles)
{
FacesList.Add(FaceCount + face);
}
// Add to the face count
FaceCount += mesh.vertexCount;
// === collider
if (MasterEngine.getInstance().GenerateColliders)
{
ColliderType colliderType = MasterEngine.getInstance().GetVoxelType(voxel).VColliderType; // get collider type (solid/cube/none)
// mesh collider
if (colliderType == ColliderType.mesh)
{
foreach (Vector3 vertex1 in rotatedVertices)
{
SolidColliderVertices.Add(vertex1 + new Vector3(x, y, z)); // if mesh collider, just add the vertices & faces from this mesh to the solid collider mesh
}
foreach (int face1 in mesh.triangles)
{
SolidColliderFaces.Add(SolidFaceCount + face1);
}
SolidFaceCount += mesh.vertexCount;
}
// cube collider
if (colliderType == ColliderType.cube)
{
AddCubeMesh(x, y, z, true); // if cube collider, add a cube to the solid mesh
}
// nocollide collider (for both ColliderType.mesh and ColliderType.none, but not for ColliderType.cube since it's redundant)
else if (voxel != 0) // only make a collider for non-empty voxels
{
AddCubeMesh(x, y, z, false); // if no cube collider, add a cube to the nocollide mesh (we still need a collider on noCollide blocks for raycasts and such)
}
}
}
private void CreateCustomMesh(ushort voxel, int x, int y, int z, Mesh mesh)
{
Voxel voxelComponent = Engine.GetVoxelType(voxel);
List <int> FacesList = Faces[voxelComponent.VSubmeshIndex];
// 检查mesh是否存在
if (mesh == null)
{
Debug.LogError("CubeMaster: voxel: " + voxel + " 使用了自定义的mesh，没有分配mesh!");
return;
}
// === mesh
// 检测是否还有足够的空间来存储更多的顶点
if (Vertices.Count + mesh.vertices.Length > 65534)
{
CreateNewMeshObject();
}
//旋转顶点
List <Vector3> rotatedVertices = new List <Vector3>();
MeshRotation rotation = voxelComponent.VRotation;
// x-->z 水平180
if (rotation == MeshRotation.back)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(-vertex.x, vertex.y, -vertex.z));
}
}
// 右90
else if (rotation == MeshRotation.right)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(vertex.z, vertex.y, -vertex.x));
}
}
// 左90
else if (rotation == MeshRotation.left)
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(new Vector3(-vertex.z, vertex.y, vertex.x));
}
}
// 无
else
{
foreach (Vector3 vertex in mesh.vertices)
{
rotatedVertices.Add(vertex);
}
}
// 顶点
foreach (Vector3 vertex in rotatedVertices)
{
Vertices.Add(vertex + new Vector3(x, y, z)); // add all vertices from the mesh
}
// UV
foreach (Vector2 uv in mesh.uv)
{
UVs.Add(uv);
}
// face
foreach (int face in mesh.triangles)
{
FacesList.Add(FaceCount + face);
}
FaceCount += mesh.vertexCount;
// === 碰撞器
if (Engine.GenerateColliders)
{
ColliderType colliderType = Engine.GetVoxelType(voxel).VColliderType;
// 网格碰撞器
if (colliderType == ColliderType.mesh)
{
foreach (Vector3 vertex1 in rotatedVertices)
{
SolidColliderVertices.Add(vertex1 + new Vector3(x, y, z)); // 如果是meshcollider，就从这个mesh取点面添加到solidcollider
}
foreach (int face1 in mesh.triangles)
{
SolidColliderFaces.Add(SolidFaceCount + face1);
}
SolidFaceCount += mesh.vertexCount;
}
// cube collider
if (colliderType == ColliderType.cube)
{
AddCubeMesh(x, y, z, true);
}
else if (voxel != 0)
{
AddCubeMesh(x, y, z, false);
}
}
}
