BuildUnifiedShader(
string srcShaderText,
_AlphaBlend alphaBlend)
{
string newShaderText = string.Copy(srcShaderText);
string newShaderName = "UniColor" + alphaBlend.name;
newShaderText = newShaderText.Replace("%SHADER_NAME%", newShaderName);
newShaderText = newShaderText.Replace("%BLEND_ARGUMENTS%", alphaBlend.blendMode);
// create file as .shader text file
string shaderFilePath = _shaderPath + "/_Ss" + newShaderName + ".shader";
File.WriteAllText(shaderFilePath, newShaderText); //, SsEncoding.SJIS);
AssetDatabase.ImportAsset(shaderFilePath);
// add to container.
_shaderContainer._shaders.Add(AssetDatabase.LoadAssetAtPath(shaderFilePath, typeof(Shader)) as Shader);
}
BuildShader(
string srcShaderText,
string betterShader,
_ColorBlend colorBlend,
_AlphaBlend alphaBlend,
_MaterialColorBlends matColorBlend)
{
string newShaderText = string.Copy(srcShaderText);
// make shader name by combination of each blend method
string newShaderName = colorBlend.name + alphaBlend.name + matColorBlend.name;
newShaderText = newShaderText.Replace("%SHADER_NAME%", newShaderName);
// add properties
newShaderText = newShaderText.Replace("%COLOR_PROPERTY%", matColorBlend.property);
newShaderText = newShaderText.Replace("%PROPERTY%", colorBlend.property);
// add material color setting in Category area
newShaderText = newShaderText.Replace("%MATERIAL%", matColorBlend.category);
// add alpha blend setting in Category area
newShaderText = newShaderText.Replace("%BLEND_ARGUMENTS%", alphaBlend.blendMode);
newShaderText = newShaderText.Replace("%BLEND_OP%",
alphaBlend.blendOp == null ? "" : "BlendOp " + alphaBlend.blendOp);
// add better shader written in Cg as SubShader
newShaderText = newShaderText.Replace("%BETTER_SHADER%", betterShader);
// add extra SetTexture depending on alpha/color blend method
newShaderText = newShaderText.Replace("%SET_TEXTURE_0%", "SetTexture [_MainTex] {" + colorBlend.setTexture_0 + "}");
string replaced = colorBlend.setTexture_1;
if (replaced.Length > 0)
{
replaced = "SetTexture [_MainTex] {" + replaced + "}";
}
newShaderText = newShaderText.Replace("%SET_TEXTURE_1%", replaced);
// add material color combiner
newShaderText = newShaderText.Replace("%SET_TEXTURE_2%", matColorBlend.combiner);
// add extra combiner for multiple alpha blending
string additive = colorBlend.name == "NonColor" ? alphaBlend.additive : "";
newShaderText = newShaderText.Replace("%ADDITIVE%", additive);
// add something needed in fragment shader
newShaderText = newShaderText.Replace("%COLOR_BLEND_FUNC%", colorBlend.cgCode);
newShaderText = newShaderText.Replace("%FRAG_MAT_COLOR%", matColorBlend.cgCode);
newShaderText = newShaderText.Replace("%FRAG_ADDITIVE%", alphaBlend.fragAdditive);
// create file as .shader text file
string shaderFilePath = _shaderPath + "/_Ss" + newShaderName + ".shader";
File.WriteAllText(shaderFilePath, newShaderText); //, SsEncoding.SJIS);
AssetDatabase.ImportAsset(shaderFilePath);
// add to container.
_shaderContainer._shaders.Add(AssetDatabase.LoadAssetAtPath(shaderFilePath, typeof(Shader)) as Shader);
}