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Recognize normalHeightMap in the ShaderVisitor

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This commit is contained in:
scrawl 2016-03-22 21:22:59 +01:00
parent b59b2c6d6d
commit df6fd5f206
2 changed files with 34 additions and 5 deletions
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36
components/shader/shadervisitor.cpp
View File

@ -25,6 +25,7 @@ namespace Shader
, mColorMaterial(false)
, mVertexColorMode(GL_AMBIENT_AND_DIFFUSE)
, mMaterialOverridden(false)
, mNormalHeight(false)
, mTexStageRequiringTangents(-1)
{
}
@ -120,6 +121,12 @@ namespace Shader
if ((texName.empty() || !isTextureNameRecognized(texName)) && unit == 0)
texName = "diffuseMap";
if (texName == "normalHeightMap")
{
mRequirements.back().mNormalHeight = true;
texName = "normalMap";
}
if (!texName.empty())
{
mRequirements.back().mTextures[unit] = texName;
@ -133,9 +140,9 @@ namespace Shader
writableStateSet->setTextureMode(unit, GL_TEXTURE_2D, osg::StateAttribute::ON);
normalMap = texture;
}
if (texName == "diffuseMap")
else if (texName == "diffuseMap")
diffuseMap = texture;
if (texName == "specularMap")
else if (texName == "specularMap")
specularMap = texture;
}
else
@ -147,10 +154,28 @@ namespace Shader
if (mAutoUseNormalMaps && diffuseMap != NULL && normalMap == NULL)
{
std::string normalMap = diffuseMap->getImage(0)->getFileName();
boost::replace_last(normalMap, ".", mNormalMapPattern + ".");
if (mImageManager.getVFS()->exists(normalMap))
osg::ref_ptr<osg::Image> image;
bool normalHeight = false;
std::string normalHeightMap = normalMap;
boost::replace_last(normalHeightMap, ".", mNormalHeightMapPattern + ".");
if (mImageManager.getVFS()->exists(normalHeightMap))
{
osg::ref_ptr<osg::Texture2D> normalMapTex (new osg::Texture2D(mImageManager.getImage(normalMap)));
image = mImageManager.getImage(normalHeightMap);
normalHeight = true;
}
else
{
boost::replace_last(normalMap, ".", mNormalMapPattern + ".");
if (mImageManager.getVFS()->exists(normalMap))
{
image = mImageManager.getImage(normalMap);
}
}
if (image)
{
osg::ref_ptr<osg::Texture2D> normalMapTex (new osg::Texture2D(image));
normalMapTex->setWrap(osg::Texture::WRAP_S, diffuseMap->getWrap(osg::Texture::WRAP_S));
normalMapTex->setWrap(osg::Texture::WRAP_T, diffuseMap->getWrap(osg::Texture::WRAP_T));
normalMapTex->setFilter(osg::Texture::MIN_FILTER, diffuseMap->getFilter(osg::Texture::MIN_FILTER));
@ -165,6 +190,7 @@ namespace Shader
mRequirements.back().mTextures[unit] = "normalMap";
mRequirements.back().mTexStageRequiringTangents = unit;
mRequirements.back().mShaderRequired = true;
mRequirements.back().mNormalHeight = normalHeight;
}
}
if (mAutoUseSpecularMaps && diffuseMap != NULL && specularMap == NULL)

3
components/shader/shadervisitor.hpp
View File

@ -39,6 +39,7 @@ namespace Shader
void setAutoUseNormalMaps(bool use);
void setNormalMapPattern(const std::string& pattern);
void setNormalHeightMapPattern(const std::string& pattern);
void setAutoUseSpecularMaps(bool use);
@ -62,6 +63,7 @@ namespace Shader
bool mAutoUseNormalMaps;
std::string mNormalMapPattern;
std::string mNormalHeightMapPattern;
bool mAutoUseSpecularMaps;
std::string mSpecularMapPattern;
@ -83,6 +85,7 @@ namespace Shader
// osg::Material::ColorMode
int mVertexColorMode;
bool mMaterialOverridden;
bool mNormalHeight; // true if normal map has height info in alpha channel
// -1 == no tangents required
int mTexStageRequiringTangents;