public static void UpdateSH9FormCubeMap(Cubemap ibl, ref Cubemap curIbl, SH9Struct iblData)
{
if (curIbl != ibl)
{
if (null == ibl)
{
iblData.coefficients = new Vector4[0];
}
else
{
SH9Helper.ModifyTextureReadable(ibl);
iblData.coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_Uniform_9Coeff(ibl, iblData.coefficients))
{
/*g_sph0.xyz * 0.2820947917f +
* g_sph1.xyz * 0.4886025119f * v.y;
* g_sph2.xyz * 0.4886025119f * v.z;
* g_sph3.xyz * 0.4886025119f * v.x;
* g_sph4.xyz * 1.0925484306f * v.x * v.y;
* g_sph5.xyz * 1.0925484306f * v.y * v.z;
* g_sph6.xyz * 0.3153915652f * (3.0f * v.z * v.z - 1.0f);
* g_sph7.xyz * 1.0925484306f * v.x * v.z;
* g_sph8.xyz * 0.5462742153f * (v.x * v.x - v.y * v.y);
*/
iblData.coefficients[0] = iblData.coefficients[0] * 0.2820947917f;
iblData.coefficients[1] = iblData.coefficients[1] * 0.4886025119f;
iblData.coefficients[2] = iblData.coefficients[2] * 0.4886025119f;
iblData.coefficients[3] = iblData.coefficients[3] * 0.4886025119f;
iblData.coefficients[4] = iblData.coefficients[4] * 1.0925484306f;
iblData.coefficients[5] = iblData.coefficients[5] * 1.0925484306f;
iblData.coefficients[6] = iblData.coefficients[6] * 0.3153915652f;
iblData.coefficients[7] = iblData.coefficients[7] * 1.0925484306f;
iblData.coefficients[8] = iblData.coefficients[8] * 0.5462742153f;
}
}
curIbl = ibl;
}
}
private void OnGUI()
{
modle = EditorGUILayout.Toggle("CubeMap", modle);
if (modle)
{
input_cubemap = EditorGUILayout.ObjectField("Input Cubemap", input_cubemap, typeof(Cubemap), true) as Cubemap;
isCopyNew = EditorGUILayout.Toggle("从环境球获取", isCopyNew);
if (input_cubemap != null)
{
EditorGUILayout.Space();
if (GUILayout.Button("CPU Uniform 9 Coefficients"))
{
Cubemap cm = input_cubemap;
if (isCopyNew)
{
test = cm = CopyFromEnvMap();
}
ModifyTextureReadable();
coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_Uniform_9Coeff(cm, coefficients))
{
setSH9Global();
}
if (isCopyNew)
{
GameObject.DestroyImmediate(cm, true);
}
}
EditorGUILayout.Space();
if (GUILayout.Button("CPU Monte Carlo 9 Coefficients"))
{
Cubemap cm = input_cubemap;
if (isCopyNew)
{
cm = CopyFromEnvMap();
}
ModifyTextureReadable();
coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_MonteCarlo_9Coeff(cm, coefficients, 4096))
{
setSH9Global();
}
if (isCopyNew)
{
GameObject.DestroyImmediate(cm, true);
}
}
EditorGUILayout.Space();
if (GUILayout.Button("GPU Uniform 9 Coefficients"))
{
Cubemap cm = input_cubemap;
if (isCopyNew)
{
input_cubemap = cm = CopyFromEnvMap();
}
ModifyTextureReadable();
coefficients = new Vector4[9];
if (SphericalHarmonics.GPU_Project_Uniform_9Coeff(cm, coefficients))
{
setSH9Global();
}
if (isCopyNew)
{
GameObject.DestroyImmediate(cm, true);
}
}
EditorGUILayout.Space();
if (GUILayout.Button("GPU Monte Carlo 9 Coefficients"))
{
Cubemap cm = input_cubemap;
if (isCopyNew)
{
cm = CopyFromEnvMap();
}
ModifyTextureReadable();
coefficients = new Vector4[9];
if (SphericalHarmonics.GPU_Project_MonteCarlo_9Coeff(cm, coefficients))
{
setSH9Global();
}
if (isCopyNew)
{
GameObject.DestroyImmediate(cm, true);
}
}
EditorGUILayout.Space();
}
}
else
{
env_map = EditorGUILayout.ObjectField("360环境球", env_map, typeof(Texture2D), true) as Texture2D;
if (env_map)
{
sun = EditorGUILayout.Toggle("太阳", sun);
}
enableLight = EditorGUILayout.Toggle("灯光", enableLight);
if (enableLight)
{
GUILayout.BeginHorizontal();
if (GUILayout.Button("+"))
{
lights.Add(null);
}
if (GUILayout.Button("-"))
{
if (lights.Count > 0)
{
lights.RemoveAt(lights.Count - 1);
}
}
GUILayout.EndHorizontal();
for (int i = 0; i < lights.Count; i++)
{
lights[i] = EditorGUILayout.ObjectField("360环境球", lights[i], typeof(Light), true) as Light;
}
}
bool hasLight = false;
for (int i = 0; i < lights.Count; i++)
{
if (lights [i] != null)
{
hasLight = true;
break;
}
}
//lights
if (hasLight || env_map != null)
{
EditorGUILayout.Space();
if (GUILayout.Button("CPU Uniform 9 Coefficients"))
{
ModifyTextureReadable(env_map);
List <Light> ls = new List <Light> ();
foreach (Light l in lights)
{
if (l != null)
{
ls.Add(l);
}
}
coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_360HJQ(env_map, coefficients, 4096, sun, ls.ToArray()))
{
setSH9Global();
}
}
}
}
if (coefficients != null && coefficients.Length == 9)
{
if (GUILayout.Button("保存"))
{
SH9Data data = SH9Data.CreateInstance <SH9Data> ();
data.coefficients = coefficients;
string path = EditorUtility.SaveFilePanelInProject("Save SH9 Data", "ibl.asset", "asset",
"Please enter a file name to save the texture to");
if (path.Length != 0)
{
if (System.IO.File.Exists(path))
{
/*if (EditorUtility.DisplayDialog("目标已存在", "替换", "取消"))
* {
*
* }*/
data.test = new Vector4(1, 0, 0, 1);
data = AssetDatabase.LoadAssetAtPath <SH9Data> (path);
data.coefficients = coefficients;
AssetDatabase.SaveAssets();
}
else
{
data.test = Vector4.one;
AssetDatabase.CreateAsset(data, path);
AssetDatabase.ImportAsset(path);
}
}
}
EditorGUILayout.Space();
for (int i = 0; i < 9; ++i)
{
EditorGUILayout.LabelField("c_" + i.ToString() + ": " + coefficients[i].ToString("f4"));
}
}
EditorGUILayout.Space();
if (tmp != null)
{
GUILayout.Label(tmp);
}
}
private void OnGUI()
{
EditorGUILayout.PropertyField(sp_input_cubemap, new GUIContent("Input Cubemap"));
so.ApplyModifiedProperties();
if (input_cubemap != null)
{
EditorGUILayout.Space();
if (GUILayout.Button("CPU Uniform 9 Coefficients"))
{
coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_Uniform_9Coeff(input_cubemap, coefficients))
{
for (int i = 0; i < 9; ++i)
{
view_mat.SetVector("c" + i.ToString(), coefficients[i]);
view_mat.SetTexture("input", input_cubemap);
}
SceneView.RepaintAll();
}
}
EditorGUILayout.Space();
if (GUILayout.Button("CPU Monte Carlo 9 Coefficients"))
{
coefficients = new Vector4[9];
if (SphericalHarmonics.CPU_Project_MonteCarlo_9Coeff(input_cubemap, coefficients, 4096))
{
for (int i = 0; i < 9; ++i)
{
view_mat.SetVector("c" + i.ToString(), coefficients[i]);
view_mat.SetTexture("input", input_cubemap);
}
SceneView.RepaintAll();
}
}
EditorGUILayout.Space();
if (GUILayout.Button("GPU Uniform 9 Coefficients"))
{
coefficients = new Vector4[9];
if (SphericalHarmonics.GPU_Project_Uniform_9Coeff(input_cubemap, coefficients))
{
for (int i = 0; i < 9; ++i)
{
view_mat.SetVector("c" + i.ToString(), coefficients[i]);
view_mat.SetTexture("input", input_cubemap);
}
SceneView.RepaintAll();
}
}
EditorGUILayout.Space();
if (GUILayout.Button("GPU Monte Carlo 9 Coefficients"))
{
coefficients = new Vector4[9];
if (SphericalHarmonics.GPU_Project_MonteCarlo_9Coeff(input_cubemap, coefficients))
{
for (int i = 0; i < 9; ++i)
{
view_mat.SetVector("c" + i.ToString(), coefficients[i]);
view_mat.SetTexture("input", input_cubemap);
}
}
}
EditorGUILayout.Space();
if (GUILayout.Button("Show"))
{
RenderSettings.skybox = view_mat;
}
view_mode = EditorGUILayout.Slider(view_mode, 0, 1);
view_mat.SetFloat("_Mode", view_mode);
EditorGUILayout.Space();
//print the 9 coefficients
if (coefficients != null)
{
for (int i = 0; i < 9; ++i)
{
EditorGUILayout.LabelField("c_" + i.ToString() + ": " + coefficients[i].ToString("f4"));
}
}
}
EditorGUILayout.Space();
if (tmp != null)
{
GUILayout.Label(tmp);
}
}
