protected virtual void SetMaterialAutoPropertiesAndKeywords(Material mat)
{
ShaderGUIUtils.SetKeyword(mat, "_USEMAINTEX_ON", mat.GetTexture("_MainTex"));
ShaderGUIUtils.SetKeyword(mat, "_USEOCCLUSIONMAP_ON", mat.GetTexture("_OcclusionMap"));
bool usesBumpMap = mat.GetTexture("_BumpMap");
bool usesSpecMap = mat.GetTexture("_SpecularMap");
bool usesGlossMap = mat.GetTexture("_GlossMap");
bool usesEmissionMap = mat.GetTexture("_EmissionMap");
ShaderGUIUtils.SetKeyword(mat, "_USEBUMPMAP_ON", usesBumpMap);
ShaderGUIUtils.SetKeyword(mat, "_USESPECULARMAP_ON", usesSpecMap);
ShaderGUIUtils.SetKeyword(mat, "_USEGLOSSMAP_ON", usesGlossMap);
ShaderGUIUtils.SetKeyword(mat, "_USEEMISSIONMAP_ON", usesEmissionMap);
if (usesBumpMap || usesSpecMap || usesGlossMap || usesEmissionMap)
{
mat.SetFloat("_ForcePerPixel", 1.0f);
}
var texScaleOffset = mat.GetVector("_TextureScaleOffset");
bool usesScale = texScaleOffset.x != 1.0f || texScaleOffset.y != 1.0f;
bool usesOffset = texScaleOffset.z != 0.0f || texScaleOffset.w != 0.0f;
ShaderGUIUtils.SetKeyword(mat, "_MainTex_SCALE_ON", usesScale);
ShaderGUIUtils.SetKeyword(mat, "_MainTex_OFFSET_ON", usesOffset);
}
public static void SetScaleOffsetKeywords
(
MaterialEditor matEditor,
MaterialProperty textureProp,
MaterialProperty scaleOffsetProp
)
{
var texScaleOffset = scaleOffsetProp.vectorValue;
bool usesScale = texScaleOffset.x != 1.0f || texScaleOffset.y != 1.0f;
bool usesOffset = texScaleOffset.z != 0.0f || texScaleOffset.w != 0.0f;
var mat = matEditor.target as Material;
var scaleKeyword = textureProp.name + "_SCALE_ON";
var offsetKeyword = textureProp.name + "_OFFSET_ON";
ShaderGUIUtils.SetKeyword(mat, scaleKeyword, usesScale);
ShaderGUIUtils.SetKeyword(mat, offsetKeyword, usesOffset);
}
protected virtual void SetMaterialBlendMode(Material mat, BlendMode blendMode)
{
switch (blendMode)
{
case BlendMode.Opaque:
mat.SetOverrideTag("RenderType", "");
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
mat.SetInt("_ZWrite", 1);
ShaderGUIUtils.SetKeyword(mat, "_ALPHATEST_ON", false);
mat.renderQueue = -1;
break;
case BlendMode.Cutout:
mat.SetOverrideTag("RenderType", "TransparentCutout");
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
mat.SetInt("_ZWrite", 1);
ShaderGUIUtils.SetKeyword(mat, "_ALPHATEST_ON", true);
mat.renderQueue = (int)UnityEngine.Rendering.RenderQueue.AlphaTest;
break;
case BlendMode.Transparent:
mat.SetOverrideTag("RenderType", "Transparent");
//non pre-multiplied alpha
mat.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
mat.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
mat.SetInt("_ZWrite", 1);
ShaderGUIUtils.SetKeyword(mat, "_ALPHATEST_ON", false);
mat.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
break;
case BlendMode.Advanced:
//user configured
break;
}
}