#include <simgear/misc/sgstream.hxx>
#include <simgear/scene/util/SGReaderWriterOptions.hxx>
#include <simgear/props/props_io.hxx>
+#include <simgear/props/vectorPropTemplates.hxx>
#include <simgear/scene/model/model.hxx>
+#include <simgear/scene/material/matmodel.hxx>
#include <simgear/scene/util/RenderConstants.hxx>
#include <simgear/scene/util/StateAttributeFactory.hxx>
+#include <simgear/props/condition.hxx>
+#include <simgear/scene/util/SGSceneFeatures.hxx>
+#include <simgear/scene/tgdb/SGTexturedTriangleBin.hxx>
#include "Effect.hxx"
#include "Technique.hxx"
const SGPropertyNode *props,
SGPropertyNode *prop_root)
{
- 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);
- if (fullTexPath.empty()) {
- tpath = SGPath("Textures");
- 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 );
- }
- }
-
- std::vector<SGPropertyNode_ptr> texturesets = props->getChildren("texture-set");
- for (unsigned int i = 0; i < texturesets.size(); i++)
- {
- _internal_state st( NULL, false, options );
- std::vector<SGPropertyNode_ptr> textures = texturesets[i]->getChildren("texture");
- for (unsigned int j = 0; j < textures.size(); j++)
+ std::vector<bool> dds;
+ std::vector<SGPropertyNode_ptr> textures = props->getChildren("texture");
+ for (unsigned int i = 0; i < textures.size(); i++)
{
- string tname = textures[j]->getStringValue();
- if (tname.empty()) {
- tname = "unknown.rgb";
- }
-
- SGPath tpath("Textures.high");
- tpath.append(tname);
- string fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
- if (fullTexPath.empty()) {
- tpath = SGPath("Textures");
+ string tname = textures[i]->getStringValue();
+
+ if (tname.empty()) {
+ tname = "unknown.rgb";
+ }
+
+ SGPath tpath("Textures.high");
tpath.append(tname);
- fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
- }
-
- if (j == 0) {
+ string fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
+ if (fullTexPath.empty()) {
+ tpath.set("Textures");
+ tpath.append(tname);
+ fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
+ if (fullTexPath.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find texture \""
+ << tname << "\" in Textures or Textures.high folders.");
+ }
+ }
+
if (tpath.lower_extension() == "dds") {
- dds.push_back(true);
+ dds.push_back(true);
} else {
- dds.push_back(false);
- }
- }
-
- st.add_texture(fullTexPath, textures[j]->getIndex());
+ dds.push_back(false);
+ }
+
+ if (!fullTexPath.empty() ) {
+ _internal_state st( NULL, fullTexPath, false, options );
+ _status.push_back( st );
+ }
}
- if (!st.texture_paths.empty() ) {
- _status.push_back( st );
+ std::vector<SGPropertyNode_ptr> texturesets = props->getChildren("texture-set");
+ for (unsigned int i = 0; i < texturesets.size(); i++)
+ {
+ _internal_state st( NULL, false, options );
+ std::vector<SGPropertyNode_ptr> textures = texturesets[i]->getChildren("texture");
+ for (unsigned int j = 0; j < textures.size(); j++)
+ {
+ string tname = textures[j]->getStringValue();
+ if (tname.empty()) {
+ tname = "unknown.rgb";
+ }
+
+ SGPath tpath("Textures.high");
+ tpath.append(tname);
+ string fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
+ if (fullTexPath.empty()) {
+ tpath.set("Textures");
+ tpath.append(tname);
+ fullTexPath = SGModelLib::findDataFile(tpath.str(), options);
+ if (fullTexPath.empty() ) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find texture \""
+ << tname << "\" in Textures or Textures.high folders.");
+ }
+ }
+
+ if (j == 0) {
+ if (tpath.lower_extension() == "dds") {
+ dds.push_back(true);
+ } else {
+ dds.push_back(false);
+ }
+ }
+
+ st.add_texture(fullTexPath, textures[j]->getIndex());
+ }
+
+ if (!st.texture_paths.empty() ) {
+ _status.push_back( st );
+ }
}
- }
- if (textures.size() == 0 && texturesets.size() == 0) {
- SGPath tpath("Textures");
- tpath.append("Terrain");
- tpath.append("unknown.rgb");
- _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 (textures.empty() && texturesets.empty()) {
+ SGPath tpath("Textures");
+ tpath.append("Terrain");
+ tpath.append("unknown.rgb");
+ _internal_state st( NULL, tpath.str(), true, options );
+ _status.push_back( st );
+ }
- 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();
+ 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.set("Textures");
+ ompath.append(omname);
+ fullMaskPath = SGModelLib::findDataFile(ompath.str(), options);
+ }
+
+ if (fullMaskPath.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find texture \""
+ << omname << "\" in Textures or Textures.high folders.");
+ }
+ else
+ {
+ osg::Image* image = osgDB::readImageFile(fullMaskPath, options);
+ if (image && image->valid())
+ {
+ osg::Texture2D* object_mask = new osg::Texture2D;
+
+ bool dds_mask = (ompath.lower_extension() == "dds");
+
+ if (i < dds.size() && 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 a copy of the image
+ // (otherwise a second reference to the object mask would flip it
+ // back!).
+ SG_LOG(SG_GENERAL, SG_DEBUG, "Flipping object mask" << omname);
+ image = (osg::Image* ) image->clone(osg::CopyOp::SHALLOW_COPY);
+ 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);
+ wrapu = props->getBoolValue("wrapu", true);
+ wrapv = props->getBoolValue("wrapv", true);
+ mipmap = props->getBoolValue("mipmap", true);
+ light_coverage = props->getDoubleValue("light-coverage", 0.0);
+
+ // Building properties
+ building_coverage = props->getDoubleValue("building-coverage", 0.0);
+ building_spacing = props->getDoubleValue("building-spacing-m", 5.0);
+
+ string bt = props->getStringValue("building-texture", "Textures/buildings.png");
+ building_texture = SGModelLib::findDataFile(bt, options);
+
+ if (building_texture.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find texture \"" << bt);
+ }
+
+ bt = props->getStringValue("building-lightmap", "Textures/buildings-lightmap.png");
+ building_lightmap = SGModelLib::findDataFile(bt, options);
+
+ if (building_lightmap.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find texture \"" << bt);
+ }
+
+ building_small_ratio = props->getDoubleValue("building-small-ratio", 0.8);
+ building_medium_ratio = props->getDoubleValue("building-medium-ratio", 0.15);
+ building_large_ratio = props->getDoubleValue("building-large-ratio", 0.05);
+
+ building_small_pitch = props->getDoubleValue("building-small-pitch", 0.8);
+ building_medium_pitch = props->getDoubleValue("building-medium-pitch", 0.2);
+ building_large_pitch = props->getDoubleValue("building-large-pitch", 0.1);
+
+ building_small_min_floors = props->getIntValue("building-small-min-floors", 1);
+ building_small_max_floors = props->getIntValue("building-small-max-floors", 3);
+ building_medium_min_floors = props->getIntValue("building-medium-min-floors", 3);
+ building_medium_max_floors = props->getIntValue("building-medium-max-floors", 8);
+ building_large_min_floors = props->getIntValue("building-large-min-floors", 5);
+ building_large_max_floors = props->getIntValue("building-large-max-floors", 20);
+
+ building_small_min_width = props->getFloatValue("building-small-min-width-m", 15.0);
+ building_small_max_width = props->getFloatValue("building-small-max-width-m", 60.0);
+ building_small_min_depth = props->getFloatValue("building-small-min-depth-m", 10.0);
+ building_small_max_depth = props->getFloatValue("building-small-max-depth-m", 20.0);
+
+ building_medium_min_width = props->getFloatValue("building-medium-min-width-m", 25.0);
+ building_medium_max_width = props->getFloatValue("building-medium-max-width-m", 50.0);
+ building_medium_min_depth = props->getFloatValue("building-medium-min-depth-m", 20.0);
+ building_medium_max_depth = props->getFloatValue("building-medium-max-depth-m", 50.0);
+
+ building_large_min_width = props->getFloatValue("building-large-min-width-m", 50.0);
+ building_large_max_width = props->getFloatValue("building-large-max-width-m", 75.0);
+ building_large_min_depth = props->getFloatValue("building-large-min-depth-m", 50.0);
+ building_large_max_depth = props->getFloatValue("building-large-max-depth-m", 75.0);
+
+ building_range = props->getDoubleValue("building-range-m", 10000.0);
+
+ cos_object_max_density_slope_angle = cos(props->getFloatValue("object-max-density-angle-deg", 20.0) * osg::PI/180.0);
+ cos_object_zero_density_slope_angle = cos(props->getFloatValue("object-zero-density-angle-deg", 30.0) * osg::PI/180.0);
- 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);
- }
+ // Random vegetation properties
+ wood_coverage = props->getDoubleValue("wood-coverage", 0.0);
+ 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);
+ cos_tree_max_density_slope_angle = cos(props->getFloatValue("tree-max-density-angle-deg", 30.0) * osg::PI/180.0);
+ cos_tree_zero_density_slope_angle = cos(props->getFloatValue("tree-zero-density-angle-deg", 45.0) * osg::PI/180.0);
+
+ const SGPropertyNode* treeTexNode = props->getChild("tree-texture");
+
+ if (treeTexNode) {
+ string treeTexPath = props->getStringValue("tree-texture");
+
+ if (! treeTexPath.empty()) {
+ SGPath treePath("Textures.high");
+ treePath.append(treeTexPath);
+ tree_texture = SGModelLib::findDataFile(treePath.str(), options);
+
+ if (tree_texture.empty()) {
+ treePath.set("Textures");
+ treePath.append(treeTexPath);
+ tree_texture = SGModelLib::findDataFile(treePath.str(), options);
+ }
+ }
+ }
+
+ // surface values for use with ground reactions
+ _solid = props->getBoolValue("solid", _solid);
+ _friction_factor = props->getDoubleValue("friction-factor", _friction_factor);
+ _rolling_friction = props->getDoubleValue("rolling-friction", _rolling_friction);
+ _bumpiness = props->getDoubleValue("bumpiness", _bumpiness);
+ _load_resistance = props->getDoubleValue("load-resistance", _load_resistance);
+
+ // Taken from default values as used in ac3d
+ ambient[0] = props->getDoubleValue("ambient/r", 0.2);
+ ambient[1] = props->getDoubleValue("ambient/g", 0.2);
+ ambient[2] = props->getDoubleValue("ambient/b", 0.2);
+ ambient[3] = props->getDoubleValue("ambient/a", 1.0);
+
+ diffuse[0] = props->getDoubleValue("diffuse/r", 0.8);
+ diffuse[1] = props->getDoubleValue("diffuse/g", 0.8);
+ diffuse[2] = props->getDoubleValue("diffuse/b", 0.8);
+ diffuse[3] = props->getDoubleValue("diffuse/a", 1.0);
+
+ specular[0] = props->getDoubleValue("specular/r", 0.0);
+ specular[1] = props->getDoubleValue("specular/g", 0.0);
+ specular[2] = props->getDoubleValue("specular/b", 0.0);
+ specular[3] = props->getDoubleValue("specular/a", 1.0);
+
+ emission[0] = props->getDoubleValue("emissive/r", 0.0);
+ emission[1] = props->getDoubleValue("emissive/g", 0.0);
+ emission[2] = props->getDoubleValue("emissive/b", 0.0);
+ emission[3] = props->getDoubleValue("emissive/a", 1.0);
+
+ shininess = props->getDoubleValue("shininess", 1.0);
+
+ if (props->hasChild("effect"))
+ effect = props->getStringValue("effect");
+
+ std::vector<SGPropertyNode_ptr> object_group_nodes =
+ ((SGPropertyNode *)props)->getChildren("object-group");
+ for (unsigned int i = 0; i < object_group_nodes.size(); i++)
+ object_groups.push_back(new SGMatModelGroup(object_group_nodes[i]));
+
+ // read glyph table for taxi-/runway-signs
+ std::vector<SGPropertyNode_ptr> glyph_nodes = props->getChildren("glyph");
+ for (unsigned int i = 0; i < glyph_nodes.size(); i++) {
+ const char *name = glyph_nodes[i]->getStringValue("name");
+ if (name)
+ glyphs[name] = new SGMaterialGlyph(glyph_nodes[i]);
}
- }
-
- xsize = props->getDoubleValue("xsize", 0.0);
- ysize = props->getDoubleValue("ysize", 0.0);
- wrapu = props->getBoolValue("wrapu", true);
- wrapv = props->getBoolValue("wrapv", true);
- mipmap = props->getBoolValue("mipmap", true);
- light_coverage = props->getDoubleValue("light-coverage", 0.0);
- wood_coverage = props->getDoubleValue("wood-coverage", 0.0);
- 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");
- 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);
- }
+ // Read parameters entry, which is passed into the effect
+ if (props->hasChild("parameters")) {
+ parameters = props->getChild("parameters");
+ } else {
+ parameters = new SGPropertyNode();
+ }
+
+ // Read conditions node
+ const SGPropertyNode *conditionNode = props->getChild("condition");
+ if (conditionNode) {
+ condition = sgReadCondition(prop_root, conditionNode);
}
- }
-
- // surface values for use with ground reactions
- solid = props->getBoolValue("solid", true);
- friction_factor = props->getDoubleValue("friction-factor", 1.0);
- rolling_friction = props->getDoubleValue("rolling-friction", 0.02);
- bumpiness = props->getDoubleValue("bumpiness", 0.0);
- load_resistance = props->getDoubleValue("load-resistance", 1e30);
-
- // Taken from default values as used in ac3d
- ambient[0] = props->getDoubleValue("ambient/r", 0.2);
- ambient[1] = props->getDoubleValue("ambient/g", 0.2);
- ambient[2] = props->getDoubleValue("ambient/b", 0.2);
- ambient[3] = props->getDoubleValue("ambient/a", 1.0);
-
- diffuse[0] = props->getDoubleValue("diffuse/r", 0.8);
- diffuse[1] = props->getDoubleValue("diffuse/g", 0.8);
- diffuse[2] = props->getDoubleValue("diffuse/b", 0.8);
- diffuse[3] = props->getDoubleValue("diffuse/a", 1.0);
-
- specular[0] = props->getDoubleValue("specular/r", 0.0);
- specular[1] = props->getDoubleValue("specular/g", 0.0);
- specular[2] = props->getDoubleValue("specular/b", 0.0);
- specular[3] = props->getDoubleValue("specular/a", 1.0);
-
- emission[0] = props->getDoubleValue("emissive/r", 0.0);
- emission[1] = props->getDoubleValue("emissive/g", 0.0);
- emission[2] = props->getDoubleValue("emissive/b", 0.0);
- emission[3] = props->getDoubleValue("emissive/a", 1.0);
-
- shininess = props->getDoubleValue("shininess", 1.0);
-
- if (props->hasChild("effect"))
- effect = props->getStringValue("effect");
-
- std::vector<SGPropertyNode_ptr> object_group_nodes =
- ((SGPropertyNode *)props)->getChildren("object-group");
- for (unsigned int i = 0; i < object_group_nodes.size(); i++)
- object_groups.push_back(new SGMatModelGroup(object_group_nodes[i]));
-
- // read glyph table for taxi-/runway-signs
- std::vector<SGPropertyNode_ptr> glyph_nodes = props->getChildren("glyph");
- for (unsigned int i = 0; i < glyph_nodes.size(); i++) {
- const char *name = glyph_nodes[i]->getStringValue("name");
- 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);
- }
-
-
}
mipmap = true;
light_coverage = 0.0;
-
- solid = true;
- friction_factor = 1;
- rolling_friction = 0.02;
- bumpiness = 0;
- load_resistance = 1e30;
+ building_coverage = 0.0;
shininess = 1.0;
for (int i = 0; i < 4; i++) {
Effect* SGMaterial::get_effect(int i)
{
if(!_status[i].effect_realized) {
+ if (!_status[i].effect.valid())
+ return 0;
_status[i].effect->realizeTechniques(_status[i].options.get());
_status[i].effect_realized = true;
}
return _status[i].effect.get();
}
-Effect* SGMaterial::get_effect(SGTexturedTriangleBin triangleBin)
+Effect* SGMaterial::get_effect(const SGTexturedTriangleBin& triangleBin)
{
- if (_status.size() == 0) {
+ if (_status.empty()) {
SG_LOG( SG_GENERAL, SG_WARN, "No effect available.");
return 0;
}
}
-osg::Texture2D* SGMaterial::get_object_mask(SGTexturedTriangleBin triangleBin)
+osg::Texture2D* SGMaterial::get_object_mask(const SGTexturedTriangleBin& triangleBin)
{
- if (_status.size() == 0) {
+ if (_status.empty()) {
SG_LOG( SG_GENERAL, SG_WARN, "No mask available.");
return 0;
}
// so we index based on the texture index,
unsigned int i = triangleBin.getTextureIndex() % _status.size();
if (i < _masks.size()) {
- return _masks[i];
+ return _masks[i];
} else {
- return 0;
+ return 0;
}
}
ref_ptr<SGMaterialUserData> user = new SGMaterialUserData(this);
SGPropertyNode_ptr propRoot = new SGPropertyNode();
makeChild(propRoot, "inherits-from")->setStringValue(effect);
+
SGPropertyNode* paramProp = makeChild(propRoot, "parameters");
+ copyProperties(parameters, paramProp);
+
SGPropertyNode* materialProp = makeChild(paramProp, "material");
- makeChild(materialProp, "ambient")->setValue(SGVec4d(ambient));
+ makeChild(materialProp, "ambient")->setValue(SGVec4d(ambient));
makeChild(materialProp, "diffuse")->setValue(SGVec4d(diffuse));
makeChild(materialProp, "specular")->setValue(SGVec4d(specular));
makeChild(materialProp, "emissive")->setValue(SGVec4d(emission));
makeChild(texProp, "filter")
->setStringValue(mipmap ? "linear-mipmap-linear" : "nearest");
makeChild(texProp, "wrap-s")
- ->setStringValue(wrapu ? "repeat" : "clamp");
+ ->setStringValue(wrapu ? "repeat" : "clamp-to-edge");
makeChild(texProp, "wrap-t")
- ->setStringValue(wrapv ? "repeat" : "clamp");
+ ->setStringValue(wrapv ? "repeat" : "clamp-to-edge");
}
makeChild(effectParamProp, "xsize")->setDoubleValue(xsize);
makeChild(effectParamProp, "ysize")->setDoubleValue(ysize);
makeChild(effectParamProp, "light-coverage")->setDoubleValue(light_coverage);
matState.effect = makeEffect(effectProp, false, options);
- matState.effect->setUserData(user.get());
+ if (matState.effect.valid())
+ matState.effect->setUserData(user.get());
}
}
SGMaterialGlyph* SGMaterial::get_glyph (const string& name) const
{
- map<string, SGSharedPtr<SGMaterialGlyph> >::const_iterator it;
- it = glyphs.find(name);
- if (it == glyphs.end())
- return 0;
+ map<string, SGSharedPtr<SGMaterialGlyph> >::const_iterator it;
+ it = glyphs.find(name);
+ if (it == glyphs.end())
+ return 0;
- return it->second;
+ return it->second;
+}
+
+bool SGMaterial::valid() const
+{
+ if (condition) {
+ return condition->test();
+ } else {
+ return true;
+ }
}
\f
void
SGSetTextureFilter( int max) {
- SGSceneFeatures::instance()->setTextureFilter( max);
+ SGSceneFeatures::instance()->setTextureFilter( max);
}
int
SGGetTextureFilter() {
- return SGSceneFeatures::instance()->getTextureFilter();
+ return SGSceneFeatures::instance()->getTextureFilter();
}