void CreatePloyObj(nav_editor.MyPoly poly, int id)
{
GameObject obj = new GameObject();
obj.name = "PolyMesh_" + id.ToString();
obj.transform.parent = parent_;
obj.transform.localPosition = Vector3.zero;
obj.transform.localScale = Vector3.one;
obj.transform.localRotation = Quaternion.Euler(Vector3.zero);
MeshFilter mesh_filter = obj.AddComponent <MeshFilter>();
MeshRenderer mesh_render = obj.AddComponent <MeshRenderer>();
mesh_render.material = new Material(Shader.Find("unlit/vertex_color"));
Mesh mesh = new Mesh();
mesh.name = obj.name;
mesh_filter.sharedMesh = mesh;
//转换数据
Vector3[] vertices = new Vector3[poly.vertex_num];
int[] indexes = new int[poly.index_num];
Color[] colors = new Color[poly.vertex_num];
for (int i = 0; i < poly.vertex_num; ++i)
{
IntPtr p = new IntPtr(poly.vertexs.ToInt64() + (uint)(i * Marshal.SizeOf(typeof(nav_editor.MyVertex))));
nav_editor.MyVertex v = nav_editor.PtrToStructure <nav_editor.MyVertex>(p);
vertices[i].x = -v.v[0]; //注意!
vertices[i].y = v.v[1];
vertices[i].z = v.v[2];
colors[i] = GetColor(poly.area);
//colors[i].a = 0.3f;
}
for (int i = 0; i < poly.index_num; ++i)
{
IntPtr p = new IntPtr(poly.indexs.ToInt64() + (uint)(i * Marshal.SizeOf(typeof(int))));
indexes[i] = nav_editor.PtrToStructure <int>(p);
}
Transform trans = obj.transform;
for (int i = 0; i < vertices.Length; ++i)
{
vertices[i] = trans.InverseTransformPoint(vertices[i]);
}
mesh.vertices = vertices;
mesh.triangles = indexes;
mesh.colors = colors;
}
public void Refresh(nav_editor.MyNavmeshRenderInfo info)
{
Clear();
for (int i = 0; i < info.poly_num; ++i)
{
IntPtr p = new IntPtr(info.poly.ToInt64() + (uint)(i * Marshal.SizeOf(typeof(nav_editor.MyPoly))));
nav_editor.MyPoly ploy = nav_editor.PtrToStructure <nav_editor.MyPoly>(p);
CreatePloyObj(ploy, i);
}
}
void DataUninit()
{
for (int i = 0; i < navmesh_render_info_.poly_num; ++i)
{
IntPtr p = new IntPtr(navmesh_render_info_.poly.ToInt64() + (uint)(i * Marshal.SizeOf(typeof(nav_editor.MyPoly))));
nav_editor.MyPoly ploy = nav_editor.PtrToStructure <nav_editor.MyPoly>(p);
if (ploy.vertexs != IntPtr.Zero)
{
Marshal.FreeHGlobal(ploy.vertexs);
}
if (ploy.indexs != IntPtr.Zero)
{
Marshal.FreeHGlobal(ploy.indexs);
}
}
if (navmesh_render_info_.poly != IntPtr.Zero)
{
Marshal.FreeHGlobal(navmesh_render_info_.poly);
}
navmesh_render_info_.poly_num = 0;
}
