]> git.mxchange.org Git - simgear.git/blobdiff - simgear/scene/material/TextureBuilder.cxx
Remove debugging messages
[simgear.git] / simgear / scene / material / TextureBuilder.cxx
index a924b95571055057d3e378b86ff0ba10ad7a439a..a875b681fc75b03d45674c1f861456e4b84681cb 100644 (file)
 #include <osg/Texture2D>
 #include <osg/Texture3D>
 #include <osg/TextureRectangle>
+#include <osg/TextureCubeMap>
 #include <osgDB/FileUtils>
 
 #include <boost/lexical_cast.hpp>
 #include <boost/tuple/tuple.hpp>
 #include <boost/tuple/tuple_comparison.hpp>
 
+#include <simgear/scene/model/SGReaderWriterXMLOptions.hxx>
 #include <simgear/scene/util/SGSceneFeatures.hxx>
 #include <simgear/scene/util/StateAttributeFactory.hxx>
 #include <simgear/math/SGMath.hxx>
@@ -50,13 +52,14 @@ using namespace osg;
 using namespace effect;
 
 TexEnvCombine* buildTexEnvCombine(Effect* effect,
-                                  const SGPropertyNode* envProp);
+                                  const SGPropertyNode* envProp,
+                                  const SGReaderWriterXMLOptions* options);
 TexGen* buildTexGen(Effect* Effect, const SGPropertyNode* tgenProp);
 
 // Hack to force inclusion of TextureBuilder.cxx in library
 osg::Texture* TextureBuilder::buildFromType(Effect* effect, const string& type,
                                             const SGPropertyNode*props,
-                                            const osgDB::ReaderWriter::Options*
+                                            const SGReaderWriterXMLOptions*
                                             options)
 {
     return EffectBuilder<Texture>::buildFromType(effect, type, props, options);
@@ -93,12 +96,12 @@ TexEnv* buildTexEnv(Effect* effect, const SGPropertyNode* prop)
     if (colorProp)
         env->setColor(toOsg(colorProp->getValue<SGVec4d>()));
     return env;
- }
+}
 
 
 void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
                                         const SGPropertyNode* prop,
-                                        const osgDB::ReaderWriter::Options* options)
+                                        const SGReaderWriterXMLOptions* options)
 {
     if (!isAttributeActive(effect, prop))
         return;
@@ -128,8 +131,10 @@ void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
         texture = TextureBuilder::buildFromType(effect, type, prop,
                                                 options);
     }
-    catch (BuilderException& e) {
-        SG_LOG(SG_INPUT, SG_ALERT, "No image file for texture, using white ");
+    catch (BuilderException& ) {
+        SG_LOG(SG_INPUT, SG_ALERT, "No image file, "
+            << "maybe the reader did not set the filename attribute, "
+            << "using white on " << pass->getName());
         texture = StateAttributeFactory::instance()->getWhiteTexture();
     }
     pass->setTextureAttributeAndModes(unit, texture);
@@ -141,7 +146,8 @@ void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
     }
     const SGPropertyNode* combineProp = prop->getChild("texenv-combine");
     TexEnvCombine* combiner = 0;
-    if (combineProp && ((combiner = buildTexEnvCombine(effect, combineProp))))
+    if (combineProp && ((combiner = buildTexEnvCombine(effect, combineProp,
+                                                       options))))
         pass->setTextureAttributeAndModes(unit, combiner);
     const SGPropertyNode* tgenProp = prop->getChild("texgen");
     TexGen* tgen = 0;
@@ -177,7 +183,7 @@ EffectPropertyMap<Texture::WrapMode> wrapModes(wrapModesInit);
 
 
 TexTuple makeTexTuple(Effect* effect, const SGPropertyNode* props,
-                      const osgDB::ReaderWriter::Options* options,
+                      const SGReaderWriterXMLOptions* options,
                       const string& texType)
 {
     Texture::FilterMode minFilter = Texture::LINEAR_MIPMAP_LINEAR;
@@ -213,7 +219,7 @@ TexTuple makeTexTuple(Effect* effect, const SGPropertyNode* props,
 }
 
 void setAttrs(const TexTuple& attrs, Texture* tex,
-              const osgDB::ReaderWriter::Options* options)
+              const SGReaderWriterXMLOptions* options)
 {
     const string& imageName = attrs.get<0>();
     if (imageName.empty()) {
@@ -253,7 +259,7 @@ class TexBuilder : public TextureBuilder
 public:
     TexBuilder(const string& texType) : _type(texType) {}
     Texture* build(Effect* effect, const SGPropertyNode*,
-                   const osgDB::ReaderWriter::Options* options);
+                   const SGReaderWriterXMLOptions* options);
 protected:
     typedef map<TexTuple, ref_ptr<T> > TexMap;
     TexMap texMap;
@@ -262,7 +268,7 @@ protected:
 
 template<typename T>
 Texture* TexBuilder<T>::build(Effect* effect, const SGPropertyNode* props,
-                              const osgDB::ReaderWriter::Options* options)
+                              const SGReaderWriterXMLOptions* options)
 {
     TexTuple attrs = makeTexTuple(effect, props, options, _type);
     typename TexMap::iterator itr = texMap.find(attrs);
@@ -286,11 +292,11 @@ class WhiteTextureBuilder : public TextureBuilder
 {
 public:
     Texture* build(Effect* effect, const SGPropertyNode*,
-                   const osgDB::ReaderWriter::Options* options);
+                   const SGReaderWriterXMLOptions* options);
 };
 
 Texture* WhiteTextureBuilder::build(Effect* effect, const SGPropertyNode*,
-                                    const osgDB::ReaderWriter::Options* options)
+                                    const SGReaderWriterXMLOptions* options)
 {
     return StateAttributeFactory::instance()->getWhiteTexture();
 }
@@ -304,11 +310,11 @@ class TransparentTextureBuilder : public TextureBuilder
 {
 public:
     Texture* build(Effect* effect, const SGPropertyNode*,
-                   const osgDB::ReaderWriter::Options* options);
+                   const SGReaderWriterXMLOptions* options);
 };
 
 Texture* TransparentTextureBuilder::build(Effect* effect, const SGPropertyNode*,
-                                    const osgDB::ReaderWriter::Options* options)
+                                    const SGReaderWriterXMLOptions* options)
 {
     return StateAttributeFactory::instance()->getTransparentTexture();
 }
@@ -368,14 +374,14 @@ class NoiseBuilder : public TextureBuilder
 {
 public:
     Texture* build(Effect* effect, const SGPropertyNode*,
-                   const osgDB::ReaderWriter::Options* options);
+                   const SGReaderWriterXMLOptions* options);
 protected:
     typedef map<int, ref_ptr<Texture3D> > NoiseMap;
     NoiseMap _noises;
 };
 
 Texture* NoiseBuilder::build(Effect* effect, const SGPropertyNode* props,
-                             const osgDB::ReaderWriter::Options* options)
+                             const SGReaderWriterXMLOptions* options)
 {
     int texSize = 64;
     const SGPropertyNode* sizeProp = getEffectPropertyChild(effect, props,
@@ -401,6 +407,230 @@ namespace
 TextureBuilder::Registrar installNoise("noise", new NoiseBuilder);
 }
 
+
+
+// Image names for all sides
+typedef boost::tuple<string, string, string, string, string, string> CubeMapTuple;
+
+CubeMapTuple makeCubeMapTuple(Effect* effect, const SGPropertyNode* props)
+{
+    const SGPropertyNode* ep = 0;
+
+    string positive_x;
+    if ((ep = getEffectPropertyChild(effect, props, "positive-x")))
+        positive_x = ep->getStringValue();
+    string negative_x;
+    if ((ep = getEffectPropertyChild(effect, props, "negative-x")))
+        negative_x = ep->getStringValue();
+    string positive_y;
+    if ((ep = getEffectPropertyChild(effect, props, "positive-y")))
+        positive_y = ep->getStringValue();
+    string negative_y;
+    if ((ep = getEffectPropertyChild(effect, props, "negative-y")))
+        negative_y = ep->getStringValue();
+    string positive_z;
+    if ((ep = getEffectPropertyChild(effect, props, "positive-z")))
+        positive_z = ep->getStringValue();
+    string negative_z;
+    if ((ep = getEffectPropertyChild(effect, props, "negative-z")))
+        negative_z = ep->getStringValue();
+    return CubeMapTuple(positive_x, negative_x, positive_y, negative_y, positive_z, negative_z);
+}
+
+
+class CubeMapBuilder : public TextureBuilder
+{
+public:
+    Texture* build(Effect* effect, const SGPropertyNode*,
+                   const SGReaderWriterXMLOptions* options);
+protected:
+    typedef map<CubeMapTuple, ref_ptr<TextureCubeMap> > CubeMap;
+    typedef map<string, ref_ptr<TextureCubeMap> > CrossCubeMap;
+    CubeMap _cubemaps;
+    CrossCubeMap _crossmaps;
+};
+
+// I use this until osg::CopyImage is fixed
+// This one assumes images are the same format and sizes are correct
+void copySubImage(const osg::Image* srcImage, int src_s, int src_t, int width, int height, 
+                 osg::Image* destImage, int dest_s, int dest_t)
+{
+    for(int row = 0; row<height; ++row)
+    {
+        const unsigned char* srcData = srcImage->data(src_s, src_t+row, 0);
+        unsigned char* destData = destImage->data(dest_s, dest_t+row, 0);
+        memcpy(destData, srcData, (width*destImage->getPixelSizeInBits())/8);
+    }
+}
+
+
+Texture* CubeMapBuilder::build(Effect* effect, const SGPropertyNode* props,
+                                                          const SGReaderWriterXMLOptions* options)
+{
+       // First check that there is a <images> tag
+       const SGPropertyNode* texturesProp = getEffectPropertyChild(effect, props, "images");
+       const SGPropertyNode* crossProp = getEffectPropertyChild(effect, props, "image");
+       if (!texturesProp && !crossProp) {
+               throw BuilderException("no images defined for cube map");
+               return NULL; // This is redundant
+       }
+
+       // Using 6 separate images
+       if(texturesProp) {
+
+               SG_LOG(SG_INPUT, SG_DEBUG, "try 6 images ");
+
+               CubeMapTuple _tuple = makeCubeMapTuple(effect, texturesProp);
+
+               CubeMap::iterator itr = _cubemaps.find(_tuple);
+               if (itr != _cubemaps.end())
+                       return itr->second.get();
+
+               TextureCubeMap* cubeTexture = new osg::TextureCubeMap;
+
+               // TODO: Read these from effect file? Maybe these are sane for all cuebmaps?
+               cubeTexture->setFilter(osg::Texture3D::MIN_FILTER, osg::Texture::LINEAR_MIPMAP_LINEAR);
+               cubeTexture->setFilter(osg::Texture3D::MAG_FILTER, osg::Texture::LINEAR);
+               cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+               cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+               cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+
+               osgDB::ReaderWriter::ReadResult result =
+                       osgDB::Registry::instance()->readImage(_tuple.get<0>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::POSITIVE_X, image);
+               }
+               result = osgDB::Registry::instance()->readImage(_tuple.get<1>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_X, image);
+               }
+               result = osgDB::Registry::instance()->readImage(_tuple.get<2>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::POSITIVE_Y, image);
+               }
+               result = osgDB::Registry::instance()->readImage(_tuple.get<3>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_Y, image);
+               }
+               result = osgDB::Registry::instance()->readImage(_tuple.get<4>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::POSITIVE_Z, image);
+               }
+               result = osgDB::Registry::instance()->readImage(_tuple.get<5>(), options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_Z, image);
+               }
+
+               _cubemaps[_tuple] = cubeTexture;
+
+               return cubeTexture;
+       }
+
+
+       // Using 1 cross image
+       else if(crossProp) {
+               SG_LOG(SG_INPUT, SG_DEBUG, "try cross map ");
+
+               std::string texname = crossProp->getStringValue();
+
+               // Try to find existing cube map
+               CrossCubeMap::iterator itr = _crossmaps.find(texname);
+               if (itr != _crossmaps.end())
+                       return itr->second.get();
+
+               osgDB::ReaderWriter::ReadResult result =
+                       osgDB::Registry::instance()->readImage(texname, options);
+               if(result.success()) {
+                       osg::Image* image = result.getImage();
+                       image->flipVertical();   // Seems like the image coordinates are somewhat funny, flip to get better ones
+
+                       //cubeTexture->setResizeNonPowerOfTwoHint(false);
+
+                       // Size of a single image, 4 rows and 3 columns
+                       int width = image->s() / 3;
+                       int height = image->t() / 4;
+                       int depth = image->r();
+
+                       TextureCubeMap* cubeTexture = new osg::TextureCubeMap;
+
+                       // Copy the 6 sub-images and push them
+                       for(int n=0; n<6; n++) {
+
+                               SG_LOG(SG_INPUT, SG_DEBUG, "Copying the " << n << "th sub-images and pushing it" );
+
+                               osg::ref_ptr<osg::Image> subimg = new osg::Image();
+                               subimg->allocateImage(width, height, depth, image->getPixelFormat(), image->getDataType());  // Copy attributes
+
+                               // Choose correct image
+                               switch(n) {
+                               case 0:  // Front
+                                       copySubImage(image, width, 0, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::POSITIVE_Y, subimg);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               case 1:  // Left
+                                       copySubImage(image, 0, height, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_X, subimg);
+                                       cubeTexture->setWrap(osg::Texture2D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               case 2:  // Top
+                                       copySubImage(image, width, height, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::POSITIVE_Z, subimg);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               case 3:  // Right
+                                       copySubImage(image, width*2, height, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::POSITIVE_X, subimg);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               case 4:  // Back
+                                       copySubImage(image, width, height*2, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_Y, subimg);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               case 5:  // Bottom
+                                       copySubImage(image, width, height*3, width, height, subimg, 0, 0);
+                                       cubeTexture->setImage(TextureCubeMap::NEGATIVE_Z, subimg);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+                                       cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+                                       break;
+                               };
+
+                       }
+
+                       _crossmaps[texname] = cubeTexture;
+
+                       return cubeTexture;
+
+               } else {
+                       throw BuilderException("Could not load cube cross");
+               }
+       }
+
+       return NULL;
+}
+
+namespace {
+TextureBuilder::Registrar installCubeMap("cubemap", new CubeMapBuilder);
+}
+
 EffectNameValue<TexEnvCombine::CombineParam> combineParamInit[] =
 {
     {"replace", TexEnvCombine::REPLACE},
@@ -443,7 +673,8 @@ EffectNameValue<TexEnvCombine::OperandParam> opParamInit[] =
 
 EffectPropertyMap<TexEnvCombine::OperandParam> operandParams(opParamInit);
 
-TexEnvCombine* buildTexEnvCombine(Effect* effect, const SGPropertyNode* envProp)
+TexEnvCombine* buildTexEnvCombine(Effect* effect, const SGPropertyNode* envProp,
+                                  const SGReaderWriterXMLOptions* options)
 {
     if (!isAttributeActive(effect, envProp))
         return 0;
@@ -538,7 +769,8 @@ TexEnvCombine* buildTexEnvCombine(Effect* effect, const SGPropertyNode* envProp)
     const SGPropertyNode* colorNode = envProp->getChild("constant-color");
     if (colorNode)
         initFromParameters(effect, colorNode, result,
-                           &TexEnvCombine::setConstantColor, colorFields);
+                           &TexEnvCombine::setConstantColor, colorFields,
+                           options);
     return result;
 }
 
@@ -568,7 +800,6 @@ TexGen* buildTexGen(Effect* effect, const SGPropertyNode* tgenProp)
     if (!isAttributeActive(effect, tgenProp))
         return 0;
     TexGen* result = new TexGen;
-    const SGPropertyNode* p = 0;
     TexGen::Mode mode = TexGen::OBJECT_LINEAR;
     findAttr(tgenModes, getEffectPropertyChild(effect, tgenProp, "mode"), mode);
     result->setMode(mode);