#include <simgear_config.h>
#endif
-#include <simgear/compiler.h>
+#include <osg/ref_ptr>
+#include <osgDB/ReadFile>
+#include <osgDB/SharedStateManager>
-#include <string.h> // for strcmp()
-
-#include <vector>
-
-#include <plib/sg.h>
-#include <plib/ssg.h>
-#include <plib/ul.h>
+#include <simgear/scene/util/SGSceneFeatures.hxx>
#include <simgear/structure/exception.hxx>
-#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
+#include <simgear/props/condition.hxx>
-#include "animation.hxx"
#include "model.hxx"
SG_USING_STD(vector);
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Global state
-////////////////////////////////////////////////////////////////////////
-static bool
-model_filter = true;
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Static utility functions.
-////////////////////////////////////////////////////////////////////////
-
-static int
-model_filter_callback (ssgEntity * entity, int mask)
-{
- return model_filter ? 1 : 0;
-}
-
-/**
- * Callback to update an animation.
- */
-static int
-animation_callback (ssgEntity * entity, int mask)
-{
- return ((SGAnimation *)entity->getUserData())->update();
-}
-
-/**
- * Callback to restore the state after an animation.
- */
-static int
-restore_callback (ssgEntity * entity, int mask)
-{
- ((SGAnimation *)entity->getUserData())->restore();
- return 1;
-}
-
-
-/**
- * Locate a named SSG node in a branch.
- */
-static ssgEntity *
-find_named_node (ssgEntity * node, const char * name)
+osg::Texture2D*
+SGLoadTexture2D(bool staticTexture, const std::string& path,
+ const osgDB::ReaderWriter::Options* options,
+ bool wrapu, bool wrapv, int)
{
- char * node_name = node->getName();
- if (node_name != 0 && !strcmp(name, node_name))
- return node;
- else if (node->isAKindOf(ssgTypeBranch())) {
- int nKids = node->getNumKids();
- for (int i = 0; i < nKids; i++) {
- ssgEntity * result =
- find_named_node(((ssgBranch*)node)->getKid(i), name);
- if (result != 0)
- return result;
+ osg::Image* image;
+ if (options)
+ image = osgDB::readImageFile(path, options);
+ else
+ image = osgDB::readImageFile(path);
+ osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D;
+ texture->setImage(image);
+ if (staticTexture)
+ texture->setDataVariance(osg::Object::STATIC);
+ if (wrapu)
+ texture->setWrap(osg::Texture::WRAP_S, osg::Texture::REPEAT);
+ else
+ texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP);
+ if (wrapv)
+ texture->setWrap(osg::Texture::WRAP_T, osg::Texture::REPEAT);
+ else
+ texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP);
+
+ if (image) {
+ int s = image->s();
+ int t = image->t();
+
+ if (s <= t && 32 <= s) {
+ SGSceneFeatures::instance()->setTextureCompression(texture.get());
+ } else if (t < s && 32 <= t) {
+ SGSceneFeatures::instance()->setTextureCompression(texture.get());
}
- }
- return 0;
-}
-
-/**
- * Splice a branch in between all child nodes and their parents.
- */
-static void
-splice_branch (ssgBranch * branch, ssgEntity * child)
-{
- int nParents = child->getNumParents();
- branch->addKid(child);
- for (int i = 0; i < nParents; i++) {
- ssgBranch * parent = child->getParent(i);
- parent->replaceKid(child, branch);
}
-}
-
-/**
- * Make an offset matrix from rotations and position offset.
- */
-void
-sgMakeOffsetsMatrix( sgMat4 * result, double h_rot, double p_rot, double r_rot,
- double x_off, double y_off, double z_off )
-{
- sgMat4 rot_matrix;
- sgMat4 pos_matrix;
- sgMakeRotMat4(rot_matrix, h_rot, p_rot, r_rot);
- sgMakeTransMat4(pos_matrix, x_off, y_off, z_off);
- sgMultMat4(*result, pos_matrix, rot_matrix);
-}
-
-void
-sgMakeAnimation( ssgBranch * model,
- const char * name,
- vector<SGPropertyNode_ptr> &name_nodes,
- SGPropertyNode *prop_root,
- SGPropertyNode_ptr node,
- double sim_time_sec )
-{
- SGAnimation * animation = 0;
- const char * type = node->getStringValue("type", "none");
- if (!strcmp("none", type)) {
- animation = new SGNullAnimation(node);
- } else if (!strcmp("range", type)) {
- animation = new SGRangeAnimation(prop_root, node);
- } else if (!strcmp("billboard", type)) {
- animation = new SGBillboardAnimation(node);
- } else if (!strcmp("select", type)) {
- animation = new SGSelectAnimation(prop_root, node);
- } else if (!strcmp("spin", type)) {
- animation = new SGSpinAnimation(prop_root, node, sim_time_sec );
- } else if (!strcmp("timed", type)) {
- animation = new SGTimedAnimation(node);
- } else if (!strcmp("rotate", type)) {
- animation = new SGRotateAnimation(prop_root, node);
- } else if (!strcmp("translate", type)) {
- animation = new SGTranslateAnimation(prop_root, node);
- } else if (!strcmp("scale", type)) {
- animation = new SGScaleAnimation(prop_root, node);
- } else if (!strcmp("texrotate", type)) {
- animation = new SGTexRotateAnimation(prop_root, node);
- } else if (!strcmp("textranslate", type)) {
- animation = new SGTexTranslateAnimation(prop_root, node);
- } else if (!strcmp("texmultiple", type)) {
- animation = new SGTexMultipleAnimation(prop_root, node);
- } else if (!strcmp("blend", type)) {
- animation = new SGBlendAnimation(prop_root, node);
- } else if (!strcmp("alpha-test", type)) {
- animation = new SGAlphaTestAnimation(node);
- } else if (!strcmp("flash", type)) {
- animation = new SGFlashAnimation(node);
- } else if (!strcmp("dist-scale", type)) {
- animation = new SGDistScaleAnimation(node);
- } else {
- animation = new SGNullAnimation(node);
- SG_LOG(SG_INPUT, SG_WARN, "Unknown animation type " << type);
+ // Make sure the texture is shared if we already have the same texture
+ // somewhere ...
+ {
+ osg::ref_ptr<osg::Node> tmpNode = new osg::Node;
+ osg::StateSet* stateSet = tmpNode->getOrCreateStateSet();
+ stateSet->setTextureAttribute(0, texture.get());
+
+ // OSGFIXME: don't forget that mutex here
+ osgDB::Registry* registry = osgDB::Registry::instance();
+ registry->getSharedStateManager()->share(tmpNode.get(), 0);
+
+ // should be the same, but be paranoid ...
+ stateSet = tmpNode->getStateSet();
+ osg::StateAttribute* stateAttr;
+ stateAttr = stateSet->getTextureAttribute(0, osg::StateAttribute::TEXTURE);
+ osg::Texture2D* texture2D = dynamic_cast<osg::Texture2D*>(stateAttr);
+ if (texture2D)
+ texture = texture2D;
}
- if (name != 0)
- animation->setName((char *)name);
-
- ssgEntity * object;
- if (name_nodes.size() > 0) {
- object = find_named_node(model, name_nodes[0]->getStringValue());
- if (object == 0) {
- SG_LOG(SG_INPUT, SG_WARN, "Object " << name_nodes[0]->getStringValue()
- << " not found");
- delete animation;
- animation = 0;
- }
- } else {
- object = model;
- }
-
- if ( animation == 0 )
- return;
-
- ssgBranch * branch = animation->getBranch();
- splice_branch(branch, object);
-
- for (unsigned int i = 1; i < name_nodes.size(); i++) {
- const char * name = name_nodes[i]->getStringValue();
- object = find_named_node(model, name);
- if (object == 0) {
- SG_LOG(SG_INPUT, SG_WARN, "Object " << name << " not found");
- delete animation;
- animation = 0;
- }
- ssgBranch * oldParent = object->getParent(0);
- branch->addKid(object);
- oldParent->removeKid(object);
- }
-
- animation->init();
- branch->setUserData(animation);
- branch->setTravCallback(SSG_CALLBACK_PRETRAV, animation_callback);
- branch->setTravCallback(SSG_CALLBACK_POSTTRAV, restore_callback);
+ return texture.release();
}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Global functions.
-////////////////////////////////////////////////////////////////////////
-
-ssgBranch *
-sgLoad3DModel( const string &fg_root, const string &path,
- SGPropertyNode *prop_root,
- double sim_time_sec, ssgEntity *(*load_panel)(SGPropertyNode *) )
-{
- ssgBranch * model = 0;
- SGPropertyNode props;
-
- // Load the 3D aircraft object itself
- SGPath modelpath = path;
- if ( !ulIsAbsolutePathName( path.c_str() ) ) {
- SGPath tmp = fg_root;
- tmp.append(modelpath.str());
- modelpath = tmp;
- }
-
- // Check for an XML wrapper
- if (modelpath.str().substr(modelpath.str().size() - 4, 4) == ".xml") {
- readProperties(modelpath.str(), &props);
- if (props.hasValue("/path")) {
- modelpath = modelpath.dir();
- modelpath.append(props.getStringValue("/path"));
- } else {
- if (model == 0)
- model = new ssgBranch;
- }
- }
-
- // Assume that textures are in
- // the same location as the XML file.
- if (model == 0) {
- ssgTexturePath((char *)modelpath.dir().c_str());
- model = (ssgBranch *)ssgLoad((char *)modelpath.c_str());
- if (model == 0)
- throw sg_exception("Failed to load 3D model");
- }
-
- // Set up the alignment node
- ssgTransform * alignmainmodel = new ssgTransform;
- if ( load_panel == 0 )
- alignmainmodel->setTravCallback( SSG_CALLBACK_PRETRAV, model_filter_callback );
- alignmainmodel->addKid(model);
- sgMat4 res_matrix;
- sgMakeOffsetsMatrix(&res_matrix,
- props.getFloatValue("/offsets/heading-deg", 0.0),
- props.getFloatValue("/offsets/roll-deg", 0.0),
- props.getFloatValue("/offsets/pitch-deg", 0.0),
- props.getFloatValue("/offsets/x-m", 0.0),
- props.getFloatValue("/offsets/y-m", 0.0),
- props.getFloatValue("/offsets/z-m", 0.0));
- alignmainmodel->setTransform(res_matrix);
-
- unsigned int i;
-
- if ( load_panel ) {
- // Load panels
- vector<SGPropertyNode_ptr> panel_nodes = props.getChildren("panel");
- for (i = 0; i < panel_nodes.size(); i++) {
- SG_LOG(SG_INPUT, SG_DEBUG, "Loading a panel");
- ssgEntity * panel = load_panel(panel_nodes[i]);
- if (panel_nodes[i]->hasValue("name"))
- panel->setName((char *)panel_nodes[i]->getStringValue("name"));
- model->addKid(panel);
- }
- }
-
- // Load sub-models
- vector<SGPropertyNode_ptr> model_nodes = props.getChildren("model");
- for (i = 0; i < model_nodes.size(); i++) {
- SGPropertyNode_ptr node = model_nodes[i];
- ssgTransform * align = new ssgTransform;
- sgMat4 res_matrix;
- sgMakeOffsetsMatrix(&res_matrix,
- node->getFloatValue("offsets/heading-deg", 0.0),
- node->getFloatValue("offsets/roll-deg", 0.0),
- node->getFloatValue("offsets/pitch-deg", 0.0),
- node->getFloatValue("offsets/x-m", 0.0),
- node->getFloatValue("offsets/y-m", 0.0),
- node->getFloatValue("offsets/z-m", 0.0));
- align->setTransform(res_matrix);
-
- ssgBranch * kid = sgLoad3DModel( fg_root, node->getStringValue("path"),
- prop_root, sim_time_sec, load_panel );
- align->addKid(kid);
- align->setName(node->getStringValue("name", ""));
- model->addKid(align);
- }
-
- // Load animations
- vector<SGPropertyNode_ptr> animation_nodes = props.getChildren("animation");
- for (i = 0; i < animation_nodes.size(); i++) {
- const char * name = animation_nodes[i]->getStringValue("name", 0);
- vector<SGPropertyNode_ptr> name_nodes =
- animation_nodes[i]->getChildren("object-name");
- sgMakeAnimation( model, name, name_nodes, prop_root, animation_nodes[i],
- sim_time_sec);
- }
-
- return alignmainmodel;
-}
-
-bool
-sgSetModelFilter( bool filter )
-{
- bool old = model_filter;
- model_filter = filter;
- return old;
-}
-
-
// end of model.cxx
projects / simgear.git / blobdiff