360 lines
14 KiB
C#
360 lines
14 KiB
C#
using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using System;
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namespace DigitalOpus.MB.Core
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{
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public class TextureBlenderStandardSpecular : TextureBlender
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{
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static Color NeutralNormalMap = new Color(.5f, .5f, 1f);
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private enum Prop
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{
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doColor,
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doSpecular,
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doEmission,
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doBump,
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doNone,
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}
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// This is used to cache the non texture property values. If all non-texutre property values are the same for a property for all source textures
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// then the source value will be re-used
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TextureBlenderMaterialPropertyCacheHelper sourceMaterialPropertyCache = new TextureBlenderMaterialPropertyCacheHelper();
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// These are cached values read in OnBeforeTintTexture and used when blending pixels.
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Color m_tintColor;
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float m_glossiness;
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float m_SpecGlossMapScale;
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Color m_specColor;
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bool m_hasSpecGlossMap;
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float m_bumpScale;
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bool m_shaderDoesEmission;
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Color m_emissionColor;
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// This just makes things more efficient so we arn't doing a string comparison for each pixel.
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Prop propertyToDo = Prop.doNone;
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// These are the property values that will be assigned to the result material if
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// generating an atlas for those properties.
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Color m_generatingTintedAtlaColor = Color.white;
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Color m_generatingTintedAtlaSpecular = Color.black;
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float m_generatingTintedAtlaGlossiness = 1f;
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float m_generatingTintedAtlaSpecGlossMapScale = 1f;
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float m_generatingTintedAtlaBumpScale = 1f;
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Color m_generatingTintedAtlaEmission = Color.white;
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// These are the default property values that will be assigned to the result materials if
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// none of the source materials have a value for these properties.
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Color m_notGeneratingAtlasDefaultColor = Color.white;
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Color m_notGeneratingAtlasDefaultSpecularColor = new Color(0f,0f,0f,1f);
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float m_notGeneratingAtlasDefaultGlossiness = .5f;
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Color m_notGeneratingAtlasDefaultEmisionColor = Color.black;
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public bool DoesShaderNameMatch(string shaderName)
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{
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return shaderName.Equals("Standard (Specular setup)");
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}
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public void OnBeforeTintTexture(Material sourceMat, string shaderTexturePropertyName)
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{
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if (shaderTexturePropertyName.Equals("_MainTex"))
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{
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propertyToDo = Prop.doColor;
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if (sourceMat.HasProperty("_Color"))
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{
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m_tintColor = sourceMat.GetColor("_Color");
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}
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else
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{
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m_tintColor = m_generatingTintedAtlaColor;
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}
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}
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else if (shaderTexturePropertyName.Equals("_SpecGlossMap"))
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{
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propertyToDo = Prop.doSpecular;
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m_specColor = m_generatingTintedAtlaSpecular;
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if (sourceMat.GetTexture("_SpecGlossMap") != null)
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{
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m_hasSpecGlossMap = true;
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}
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else
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{
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m_hasSpecGlossMap = false;
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}
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if (sourceMat.HasProperty("_SpecColor"))
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{
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m_specColor = sourceMat.GetColor("_SpecColor");
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} else
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{
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m_specColor = new Color(0f, 0f, 0f, 1f);
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}
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if (sourceMat.HasProperty("_GlossMapScale"))
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{
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m_SpecGlossMapScale = sourceMat.GetFloat("_GlossMapScale");
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}
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else
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{
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m_SpecGlossMapScale = 1f;
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}
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if (sourceMat.HasProperty("_Glossiness"))
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{
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m_glossiness = sourceMat.GetFloat("_Glossiness");
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}
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else
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{
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m_glossiness = 0f;
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}
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} else if (shaderTexturePropertyName.Equals("_BumpMap"))
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{
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propertyToDo = Prop.doBump;
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if (sourceMat.HasProperty(shaderTexturePropertyName))
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{
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if (sourceMat.HasProperty("_BumpScale"))
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m_bumpScale = sourceMat.GetFloat("_BumpScale");
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}
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else
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{
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m_bumpScale = m_generatingTintedAtlaBumpScale;
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}
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} else if (shaderTexturePropertyName.Equals("_EmissionMap"))
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{
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propertyToDo = Prop.doEmission;
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m_shaderDoesEmission = sourceMat.IsKeywordEnabled("_EMISSION");
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if (sourceMat.HasProperty("_EmissionColor")) {
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m_emissionColor = sourceMat.GetColor("_EmissionColor");
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} else
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{
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m_generatingTintedAtlaColor = m_notGeneratingAtlasDefaultEmisionColor;
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}
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} else
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{
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propertyToDo = Prop.doNone;
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}
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}
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public Color OnBlendTexturePixel(string propertyToDoshaderPropertyName, Color pixelColor)
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{
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if (propertyToDo == Prop.doColor)
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{
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return new Color(pixelColor.r * m_tintColor.r, pixelColor.g * m_tintColor.g, pixelColor.b * m_tintColor.b, pixelColor.a * m_tintColor.a);
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}
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else if (propertyToDo == Prop.doSpecular)
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{
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if (m_hasSpecGlossMap)
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{
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return pixelColor = new Color(pixelColor.r, pixelColor.g, pixelColor.b, pixelColor.a * m_SpecGlossMapScale);
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}
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else
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{
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Color c = m_specColor;
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c.a = m_glossiness;
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return c;
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}
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}
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else if (propertyToDo == Prop.doBump)
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{
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return Color.Lerp(NeutralNormalMap, pixelColor, m_bumpScale);
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}
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else if (propertyToDo == Prop.doEmission)
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{
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if (m_shaderDoesEmission)
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{
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return new Color(pixelColor.r * m_emissionColor.r, pixelColor.g * m_emissionColor.g, pixelColor.b * m_emissionColor.b, pixelColor.a * m_emissionColor.a);
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}
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else
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{
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return Color.black;
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}
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}
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return pixelColor;
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}
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public bool NonTexturePropertiesAreEqual(Material a, Material b)
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{
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if (!TextureBlenderFallback._compareColor(a, b, m_generatingTintedAtlaColor, "_Color"))
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{
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return false;
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}
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if (!TextureBlenderFallback._compareColor(a, b, m_generatingTintedAtlaSpecular, "_SpecColor"))
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{
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return false;
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}
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bool aHasSpecTex = a.HasProperty("_SpecGlossMap") && a.GetTexture("_SpecGlossMap") != null;
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bool bHasSpecTex = b.HasProperty("_SpecGlossMap") && b.GetTexture("_SpecGlossMap") != null;
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if (aHasSpecTex && bHasSpecTex)
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{
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if (!TextureBlenderFallback._compareFloat(a, b, m_generatingTintedAtlaSpecGlossMapScale, "_GlossMapScale"))
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{
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return false;
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}
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}
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else if (!aHasSpecTex && !bHasSpecTex)
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{
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if (!TextureBlenderFallback._compareFloat(a, b, m_generatingTintedAtlaGlossiness, "_Glossiness"))
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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if (!TextureBlenderFallback._compareFloat(a, b, m_generatingTintedAtlaBumpScale, "_BumpScale"))
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{
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return false;
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}
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if (a.IsKeywordEnabled("_EMISSION") != b.IsKeywordEnabled("_EMISSION"))
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{
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return false;
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}
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if (a.IsKeywordEnabled("_EMISSION"))
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{
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if (!TextureBlenderFallback._compareColor(a, b, m_generatingTintedAtlaEmission, "_EmissionColor"))
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{
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return false;
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}
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}
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return true;
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}
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public void SetNonTexturePropertyValuesOnResultMaterial(Material resultMaterial)
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{
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if (resultMaterial.GetTexture("_MainTex") != null)
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{
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resultMaterial.SetColor("_Color", m_generatingTintedAtlaColor);
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}
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else
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{
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resultMaterial.SetColor("_Color", (Color)sourceMaterialPropertyCache.GetValueIfAllSourceAreTheSameOrDefault("_Color", m_notGeneratingAtlasDefaultColor));
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}
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if (resultMaterial.GetTexture("_SpecGlossMap") != null) {
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resultMaterial.SetColor("_SpecColor", m_generatingTintedAtlaSpecular);
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resultMaterial.SetFloat("_GlossMapScale", m_generatingTintedAtlaSpecGlossMapScale);
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resultMaterial.SetFloat("_Glossiness", m_generatingTintedAtlaGlossiness);
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} else {
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resultMaterial.SetColor("_SpecColor", (Color) sourceMaterialPropertyCache.GetValueIfAllSourceAreTheSameOrDefault("_SpecColor", m_notGeneratingAtlasDefaultSpecularColor));
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resultMaterial.SetFloat("_Glossiness", (float) sourceMaterialPropertyCache.GetValueIfAllSourceAreTheSameOrDefault("_Glossiness", m_notGeneratingAtlasDefaultGlossiness));
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}
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if (resultMaterial.GetTexture("_BumpMap") != null)
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{
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resultMaterial.SetFloat("_BumpScale", m_generatingTintedAtlaBumpScale);
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}
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else
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{
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resultMaterial.SetFloat("_BumpScale", m_generatingTintedAtlaBumpScale);
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}
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if (resultMaterial.GetTexture("_EmissionMap") != null)
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{
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resultMaterial.EnableKeyword("_EMISSION");
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resultMaterial.SetColor("_EmissionColor", Color.white);
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}
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else
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{
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resultMaterial.DisableKeyword("_EMISSION");
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resultMaterial.SetColor("_EmissionColor", (Color)sourceMaterialPropertyCache.GetValueIfAllSourceAreTheSameOrDefault("_EmissionColor", m_notGeneratingAtlasDefaultEmisionColor));
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}
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}
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public Color GetColorIfNoTexture(Material mat, ShaderTextureProperty texPropertyName)
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{
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if (texPropertyName.name.Equals("_BumpMap"))
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{
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return new Color(.5f, .5f, 1f);
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}
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else if (texPropertyName.name.Equals("_MainTex"))
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{
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if (mat != null && mat.HasProperty("_Color"))
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{
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try
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{ //need try because can't garantee _Color is a color
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Color c = mat.GetColor("_Color");
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sourceMaterialPropertyCache.CacheMaterialProperty(mat, "_Color", c);
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return c;
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}
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catch (Exception) { }
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return Color.white;
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}
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}
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else if (texPropertyName.name.Equals("_SpecGlossMap"))
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{
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if (mat != null && mat.HasProperty("_SpecColor"))
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{
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try
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{ //need try because can't garantee _Color is a color
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Color c = mat.GetColor("_SpecColor");
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if (mat.HasProperty("_Glossiness"))
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{
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try
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{
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c.a = mat.GetFloat("_Glossiness");
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}
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catch (Exception) { }
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}
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sourceMaterialPropertyCache.CacheMaterialProperty(mat, "_SpecColor", c);
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sourceMaterialPropertyCache.CacheMaterialProperty(mat, "_Glossiness", c.a);
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return c;
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}
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catch (Exception) { }
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}
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return new Color(0f, 0f, 0f, .5f);
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}
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else if (texPropertyName.name.Equals("_ParallaxMap"))
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{
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return new Color(0f, 0f, 0f, 0f);
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}
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else if (texPropertyName.name.Equals("_OcclusionMap"))
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{
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return new Color(1f, 1f, 1f, 1f);
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}
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else if (texPropertyName.name.Equals("_EmissionMap"))
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{
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if (mat != null)
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{
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if (mat.IsKeywordEnabled("_EMISSION"))
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{
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if (mat.HasProperty("_EmissionColor"))
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{
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try
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{
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Color c = mat.GetColor("_EmissionColor");
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sourceMaterialPropertyCache.CacheMaterialProperty(mat, "_EmissionColor", c);
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return c;
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}
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catch (Exception) { }
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}
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else
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{
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return Color.black;
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}
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}
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else
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{
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return Color.black;
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}
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}
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}
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else if (texPropertyName.name.Equals("_DetailMask"))
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{
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return new Color(0f, 0f, 0f, 0f);
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}
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return new Color(1f, 1f, 1f, 0f);
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}
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}
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}
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