#include <string.h>
#include <map>
#include <vector>
-#include<string>
+#include <string>
#include <boost/foreach.hpp>
#include "mat.hxx"
#include <osg/ShadeModel>
#include <osg/StateSet>
#include <osg/TexEnv>
+#include <osg/Texture>
#include <osg/Texture2D>
#include <osgDB/ReaderWriter>
#include <osgDB/ReadFile>
{
}
-SGMaterial::_internal_state::_internal_state(Effect *e, const string &t, bool l,
+SGMaterial::_internal_state::_internal_state(Effect *e, const string &t, bool l,
const SGReaderWriterOptions* o)
: effect(e), effect_realized(l), options(o)
{
}
SGMaterial::SGMaterial( const SGReaderWriterOptions* options,
- const SGPropertyNode *props )
+ const SGPropertyNode *props,
+ SGPropertyNode *prop_root )
{
init();
- read_properties( options, props );
+ read_properties( options, props, prop_root );
buildEffectProperties(options);
}
-SGMaterial::SGMaterial( const osgDB::ReaderWriter::Options* options,
- const SGPropertyNode *props )
+SGMaterial::SGMaterial( const osgDB::Options* options,
+ const SGPropertyNode *props,
+ SGPropertyNode *prop_root)
{
- osg::ref_ptr<const SGReaderWriterOptions> sgOptions;
- if (options)
- sgOptions = new SGReaderWriterOptions(*options);
+ osg::ref_ptr<SGReaderWriterOptions> opt;
+ opt = SGReaderWriterOptions::copyOrCreate(options);
init();
- read_properties( sgOptions.get(), props );
- buildEffectProperties(sgOptions.get());
+ read_properties(opt.get(), props, prop_root);
+ buildEffectProperties(opt.get());
}
SGMaterial::~SGMaterial (void)
void
SGMaterial::read_properties(const SGReaderWriterOptions* options,
- const SGPropertyNode *props)
+ const SGPropertyNode *props,
+ SGPropertyNode *prop_root)
{
- // Gather the path(s) to the texture(s)
+ std::vector<bool> dds;
std::vector<SGPropertyNode_ptr> textures = props->getChildren("texture");
for (unsigned int i = 0; i < textures.size(); i++)
{
string tname = textures[i]->getStringValue();
+
if (tname.empty()) {
tname = "unknown.rgb";
}
+
SGPath tpath("Textures.high");
tpath.append(tname);
string fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
tpath.append(tname);
fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
}
-
+
+ if (tpath.lower_extension() == "dds") {
+ dds.push_back(true);
+ } else {
+ dds.push_back(false);
+ }
+
if (!fullTexPath.empty() ) {
_internal_state st( NULL, fullTexPath, false, options );
_status.push_back( st );
if (tname.empty()) {
tname = "unknown.rgb";
}
+
SGPath tpath("Textures.high");
tpath.append(tname);
string fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
tpath.append(tname);
fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
}
+
+ if (j == 0) {
+ if (tpath.lower_extension() == "dds") {
+ dds.push_back(true);
+ } else {
+ dds.push_back(false);
+ }
+ }
+
st.add_texture(fullTexPath, textures[j]->getIndex());
}
_internal_state st( NULL, tpath.str(), true, options );
_status.push_back( st );
}
+
+ std::vector<SGPropertyNode_ptr> masks = props->getChildren("object-mask");
+ for (unsigned int i = 0; i < masks.size(); i++)
+ {
+ string omname = masks[i]->getStringValue();
+
+ if (! omname.empty()) {
+ SGPath ompath("Textures.high");
+ ompath.append(omname);
+ string fullMaskPath = SGModelLib::findDataFile(ompath.str(), options);
+
+ if (fullMaskPath.empty()) {
+ ompath = SGPath("Textures");
+ ompath.append(omname);
+ fullMaskPath = SGModelLib::findDataFile(ompath.str(), options);
+ }
+
+ osg::Image* image = osgDB::readImageFile(fullMaskPath, options);
+ if (image->valid())
+ {
+ osg::Texture2D* object_mask = new osg::Texture2D;
+
+ bool dds_mask = (ompath.lower_extension() == "dds");
+
+ if (dds[i] != dds_mask) {
+ // Texture format does not match mask format. This is relevant for
+ // the object mask, as DDS textures have an origin at the bottom
+ // left rather than top left, therefore we flip the object mask
+ // vertically.
+ image->flipVertical();
+ }
+
+ object_mask->setImage(image);
+
+ // We force the filtering to be nearest, as the red channel (rotation)
+ // in particular, doesn't make sense to be interpolated between pixels.
+ object_mask->setFilter(osg::Texture::MIN_FILTER, osg::Texture::NEAREST);
+ object_mask->setFilter(osg::Texture::MAG_FILTER, osg::Texture::NEAREST);
+
+ object_mask->setDataVariance(osg::Object::STATIC);
+ object_mask->setWrap(osg::Texture::WRAP_S, osg::Texture::REPEAT);
+ object_mask->setWrap(osg::Texture::WRAP_T, osg::Texture::REPEAT);
+ _masks.push_back(object_mask);
+ }
+ }
+ }
xsize = props->getDoubleValue("xsize", 0.0);
ysize = props->getDoubleValue("ysize", 0.0);
mipmap = props->getBoolValue("mipmap", true);
light_coverage = props->getDoubleValue("light-coverage", 0.0);
wood_coverage = props->getDoubleValue("wood-coverage", 0.0);
- wood_size = props->getDoubleValue("wood-size", 0.0);
- tree_density = props->getDoubleValue("tree-density", 1.0);
tree_height = props->getDoubleValue("tree-height-m", 0.0);
tree_width = props->getDoubleValue("tree-width-m", 0.0);
tree_range = props->getDoubleValue("tree-range-m", 0.0);
tree_varieties = props->getIntValue("tree-varieties", 1);
const SGPropertyNode* treeTexNode = props->getChild("tree-texture");
+
if (treeTexNode) {
string treeTexPath = props->getStringValue("tree-texture");
- tree_texture = SGModelLib::findDataFile(treeTexPath, options);
+
+ if (! treeTexPath.empty()) {
+ SGPath treePath("Textures.high");
+ treePath.append(treeTexPath);
+ tree_texture = SGModelLib::findDataFile(treePath.str(), options);
+
+ if (tree_texture.empty()) {
+ treePath = SGPath("Textures");
+ treePath.append(treeTexPath);
+ tree_texture = SGModelLib::findDataFile(treePath.str(), options);
+ }
+ }
}
-
+
// surface values for use with ground reactions
solid = props->getBoolValue("solid", true);
friction_factor = props->getDoubleValue("friction-factor", 1.0);
if (name)
glyphs[name] = new SGMaterialGlyph(glyph_nodes[i]);
}
+
+ // Read conditions node
+ const SGPropertyNode *conditionNode = props->getChild("condition");
+ if (conditionNode) {
+ condition = sgReadCondition(prop_root, conditionNode);
+ }
+
+
}
SGMaterial::init ()
{
_status.clear();
- _current_ptr = 0;
xsize = 0;
ysize = 0;
wrapu = true;
effect = "Effects/terrain-default";
}
-Effect* SGMaterial::get_effect(int n)
+Effect* SGMaterial::get_effect(int i)
+{
+ if(!_status[i].effect_realized) {
+ _status[i].effect->realizeTechniques(_status[i].options.get());
+ _status[i].effect_realized = true;
+ }
+ return _status[i].effect.get();
+}
+
+Effect* SGMaterial::get_effect(SGTexturedTriangleBin triangleBin)
{
if (_status.size() == 0) {
SG_LOG( SG_GENERAL, SG_WARN, "No effect available.");
return 0;
}
- int i = n >= 0 ? n : _current_ptr;
- if(!_status[i].effect_realized) {
- _status[i].effect->realizeTechniques(_status[i].options.get());
- _status[i].effect_realized = true;
+
+ int i = triangleBin.getTextureIndex() % _status.size();
+ return get_effect(i);
+}
+
+Effect* SGMaterial::get_effect()
+{
+ return get_effect(0);
+}
+
+
+osg::Texture2D* SGMaterial::get_object_mask(SGTexturedTriangleBin triangleBin)
+{
+ if (_status.size() == 0) {
+ SG_LOG( SG_GENERAL, SG_WARN, "No mask available.");
+ return 0;
+ }
+
+ // Note that the object mask is closely linked to the texture/effect
+ // so we index based on the texture index,
+ unsigned int i = triangleBin.getTextureIndex() % _status.size();
+ if (i < _masks.size()) {
+ return _masks[i];
+ } else {
+ return 0;
}
- // XXX This business of returning a "random" alternate texture is
- // really bogus. It means that the appearance of the terrain
- // depends on the order in which it is paged in!
- _current_ptr = (_current_ptr + 1) % _status.size();
- return _status[i].effect.get();
}
void SGMaterial::buildEffectProperties(const SGReaderWriterOptions* options)
{
using namespace osg;
- ref_ptr<SGReaderWriterOptions> xmlOptions;
- if (options)
- xmlOptions = new SGReaderWriterOptions(*options);
ref_ptr<SGMaterialUserData> user = new SGMaterialUserData(this);
SGPropertyNode_ptr propRoot = new SGPropertyNode();
makeChild(propRoot, "inherits-from")->setStringValue(effect);
makeChild(effectParamProp, "scale")->setValue(SGVec3d(xsize,ysize,0.0));
makeChild(effectParamProp, "light-coverage")->setDoubleValue(light_coverage);
- matState.effect = makeEffect(effectProp, false, xmlOptions.get());
+ matState.effect = makeEffect(effectProp, false, options);
matState.effect->setUserData(user.get());
}
}