/// <summary>
/// Creates a new material with the default shader in the specified folder.
/// </summary>
/// <param name="folder">Folder relative to project library to create the material in.</param>
public static void CreateEmptyMaterial(string folder)
{
string path = Path.Combine(folder, "New Material.asset");
path = GetUniquePath(path);
Material material = new Material(Builtin.DiffuseShader);
ProjectLibrary.Create(material, path);
}
/// <summary>
/// Creates a set of objects in which each object represents a GUI for a material parameter.
/// </summary>
/// <param name="mat">Material for whose parameters to create GUI for.</param>
/// <param name="layout">Layout to add the parameter GUI elements to.</param>
/// <returns>A material parameter GUI object for each supported material parameter.</returns>
internal static MaterialParamGUI[] CreateMaterialGUI(Material mat, GUILayout layout)
{
Shader shader = mat.Shader;
if (shader == null)
return new MaterialParamGUI[0];
List<MaterialParamGUI> guiParams = new List<MaterialParamGUI>();
ShaderParameter[] shaderParams = shader.Parameters;
foreach (var param in shaderParams)
{
if (param.Internal)
continue;
switch (param.Type)
{
case ShaderParameterType.Float:
layout.AddSpace(5);
guiParams.Add(new MaterialParamFloatGUI(param, mat, layout));
break;
case ShaderParameterType.Vector2:
layout.AddSpace(5);
guiParams.Add(new MaterialParamVec2GUI(param, mat, layout));
break;
case ShaderParameterType.Vector3:
layout.AddSpace(5);
guiParams.Add(new MaterialParamVec3GUI(param, mat, layout));
break;
case ShaderParameterType.Vector4:
layout.AddSpace(5);
guiParams.Add(new MaterialParamVec4GUI(param, mat, layout));
break;
case ShaderParameterType.Matrix3:
layout.AddSpace(5);
guiParams.Add(new MaterialParamMat3GUI(param, mat, layout));
break;
case ShaderParameterType.Matrix4:
layout.AddSpace(5);
guiParams.Add(new MaterialParamMat4GUI(param, mat, layout));
break;
case ShaderParameterType.Color:
layout.AddSpace(5);
guiParams.Add(new MaterialParamColorGUI(param, mat, layout));
break;
case ShaderParameterType.Texture2D:
case ShaderParameterType.Texture3D:
case ShaderParameterType.TextureCube:
layout.AddSpace(5);
guiParams.Add(new MaterialParamTextureGUI(param, mat, layout));
break;
}
}
return guiParams.ToArray();
}
private static extern void Internal_SetMaterials(IntPtr thisPtr, Material[] materials);
internal void SetMaterial(Material material, int index = 0)
{
materials[index] = material;
IntPtr materialPtr = IntPtr.Zero;
if (material != null)
materialPtr = material.GetCachedPtr();
Internal_SetMaterial(mCachedPtr, materialPtr, index);
}
/// <summary>
/// Sets a material for a specific sub-mesh.
/// </summary>
/// <param name="material">Material to use for rendering the sub-mesh at the specified index.</param>
/// <param name="index">Index of the sub-mesh.</param>
public void SetMaterial(Material material, int index = 0)
{
_native.SetMaterial(material, index);
serializableData.materials[index] = material;
}
private static extern void Internal_CreateInstance(Material instance, IntPtr shader);
/// <inheritdoc/>
internal override void Refresh(Material material)
{
guiElem.Value = material.GetVector4(shaderParam.Name);
}
/// <summary>
/// Creates a new material parameter GUI.
/// </summary>
/// <param name="shaderParam">Shader parameter to create the GUI for. Must be of 4D vector type.</param>
/// <param name="material">Material the parameter is a part of.</param>
/// <param name="layout">Layout to append the GUI elements to.</param>
internal MaterialParamVec4GUI(ShaderParameter shaderParam, Material material, GUILayout layout)
: base(shaderParam)
{
LocString title = new LocEdString(shaderParam.Name);
guiElem = new GUIVector4Field(title);
guiElem.OnChanged += (x) =>
{
material.SetVector4(shaderParam.Name, x);
EditorApplication.SetDirty(material);
};
layout.AddElement(guiElem);
}
/// <inheritdoc/>
internal override void Refresh(Material material)
{
Texture value = null;
switch (shaderParam.Type)
{
case ShaderParameterType.Texture2D:
value = material.GetTexture2D(shaderParam.Name);
break;
case ShaderParameterType.Texture3D:
value = material.GetTexture3D(shaderParam.Name);
break;
case ShaderParameterType.TextureCube:
value = material.GetTextureCube(shaderParam.Name);
break;
}
guiElem.Value = value;
}
/// <summary>
/// Creates a new material parameter GUI.
/// </summary>
/// <param name="shaderParam">Shader parameter to create the GUI for. Must be of texture type.</param>
/// <param name="material">Material the parameter is a part of.</param>
/// <param name="layout">Layout to append the GUI elements to.</param>
internal MaterialParamTextureGUI(ShaderParameter shaderParam, Material material, GUILayout layout)
: base(shaderParam)
{
LocString title = new LocEdString(shaderParam.Name);
guiElem = new GUITextureField(title);
switch (shaderParam.Type)
{
case ShaderParameterType.Texture2D:
guiElem.OnChanged += (x) =>
{
Texture2D texture = Resources.Load<Texture2D>(x);
material.SetTexture2D(shaderParam.Name, texture);
EditorApplication.SetDirty(material);
};
break;
case ShaderParameterType.Texture3D:
guiElem.OnChanged += (x) =>
{
Texture3D texture = Resources.Load<Texture3D>(x);
material.SetTexture3D(shaderParam.Name, texture);
EditorApplication.SetDirty(material);
};
break;
case ShaderParameterType.TextureCube:
guiElem.OnChanged += (x) =>
{
TextureCube texture = Resources.Load<TextureCube>(x);
material.SetTextureCube(shaderParam.Name, texture);
EditorApplication.SetDirty(material);
};
break;
}
layout.AddElement(guiElem);
}
/// <inheritdoc/>
internal override void Refresh(Material material)
{
Matrix4 value = material.GetMatrix4(shaderParam.Name);
for (int row = 0; row < MAT_SIZE; row++)
{
for (int col = 0; col < MAT_SIZE; col++)
{
int index = row * MAT_SIZE + col;
guiMatFields[index].Value = value[row, col];
}
}
}
/// <summary>
/// Creates a new material parameter GUI.
/// </summary>
/// <param name="shaderParam">Shader parameter to create the GUI for. Must be of 4x4 matrix type.</param>
/// <param name="material">Material the parameter is a part of.</param>
/// <param name="layout">Layout to append the GUI elements to.</param>
internal MaterialParamMat4GUI(ShaderParameter shaderParam, Material material, GUILayout layout)
: base(shaderParam)
{
LocString title = new LocEdString(shaderParam.Name);
GUILabel guiTitle = new GUILabel(title, GUIOption.FixedWidth(100));
mainLayout = layout.AddLayoutY();
GUILayoutX titleLayout = mainLayout.AddLayoutX();
titleLayout.AddElement(guiTitle);
titleLayout.AddFlexibleSpace();
GUILayoutY contentLayout = mainLayout.AddLayoutY();
GUILayoutX[] rows = new GUILayoutX[MAT_SIZE];
for (int i = 0; i < rows.Length; i++)
rows[i] = contentLayout.AddLayoutX();
for (int row = 0; row < MAT_SIZE; row++)
{
for (int col = 0; col < MAT_SIZE; col++)
{
int index = row * MAT_SIZE + col;
guiMatFields[index] = new GUIFloatField(row + "," + col, 20, "", GUIOption.FixedWidth(80));
GUIFloatField field = guiMatFields[index];
rows[row].AddElement(field);
rows[row].AddSpace(5);
int hoistedRow = row;
int hoistedCol = col;
field.OnChanged += (x) =>
{
Matrix4 value = material.GetMatrix4(shaderParam.Name);
value[hoistedRow, hoistedCol] = x;
material.SetMatrix4(shaderParam.Name, value);
EditorApplication.SetDirty(material);
};
}
}
}
/// <summary> /// Checks if the data stored in GUI and in the material matches, and updates the GUI if it doesn't. /// </summary> /// <param name="material">Material whose data to check.</param> internal abstract void Refresh(Material material);
/// <summary>
/// Recreates GUI elements for all material parameters.
/// </summary>
/// <param name="material">Material to create parameters for</param>
private void RebuildParamGUI(Material material)
{
if (guiParams != null)
{
foreach (var param in guiParams)
param.Destroy();
guiParams = null;
}
if (material != null && material.Shader != null)
guiParams = CreateMaterialGUI(material, Layout);
}