#include <simgear_config.h>
#endif
-#include <simgear/compiler.h>
-
#include <string.h> // for strcmp()
#include <vector>
+#include <set>
#include <plib/sg.h>
#include <plib/ssg.h>
#include <plib/ul.h>
#include <simgear/structure/exception.hxx>
-#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
#include "model.hxx"
SG_USING_STD(vector);
+SG_USING_STD(set);
+bool sgUseDisplayList = true;
+\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)
{
- ((SGAnimation *)entity->getUserData())->update();
- return true;
+ 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;
}
vector<SGPropertyNode_ptr> &name_nodes,
SGPropertyNode *prop_root,
SGPropertyNode_ptr node,
- double sim_time_sec )
+ double sim_time_sec,
+ SGPath &texture_path,
+ set<ssgBranch *> &ignore_branches )
{
+ bool ignore = false;
SGAnimation * animation = 0;
const char * type = node->getStringValue("type", "none");
if (!strcmp("none", type)) {
animation = new SGTexMultipleAnimation(prop_root, node);
} else if (!strcmp("blend", type)) {
animation = new SGBlendAnimation(prop_root, node);
+ ignore = true;
} else if (!strcmp("alpha-test", type)) {
- animation = new SGAlphaTestAnimation(prop_root, node);
+ animation = new SGAlphaTestAnimation(node);
+ } else if (!strcmp("material", type)) {
+ animation = new SGMaterialAnimation(prop_root, node, texture_path);
+ } else if (!strcmp("flash", type)) {
+ animation = new SGFlashAnimation(node);
+ } else if (!strcmp("dist-scale", type)) {
+ animation = new SGDistScaleAnimation(node);
+ } else if (!strcmp("noshadow", type)) {
+ animation = new SGShadowAnimation(prop_root, node);
+ } else if (!strcmp("shader", type)) {
+ animation = new SGShaderAnimation(prop_root, node);
} else {
animation = new SGNullAnimation(node);
SG_LOG(SG_INPUT, SG_WARN, "Unknown animation type " << type);
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()
+ SG_LOG(SG_INPUT, SG_ALERT, "Object " << name_nodes[0]->getStringValue()
<< " not found");
delete animation;
animation = 0;
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");
+ SG_LOG(SG_INPUT, SG_ALERT, "Object " << name << " not found");
delete animation;
animation = 0;
+ } else {
+ ssgBranch * oldParent = object->getParent(0);
+ branch->addKid(object);
+ oldParent->removeKid(object);
}
- ssgBranch * oldParent = object->getParent(0);
- branch->addKid(object);
- oldParent->removeKid(object);
}
- animation->init();
- branch->setUserData(animation);
- branch->setTravCallback(SSG_CALLBACK_PRETRAV, animation_callback);
+ if ( animation != 0 ) {
+ animation->init();
+ branch->setUserData(animation);
+ branch->setTravCallback(SSG_CALLBACK_PRETRAV, animation_callback);
+ branch->setTravCallback(SSG_CALLBACK_POSTTRAV, restore_callback);
+ if ( ignore ) {
+ ignore_branches.insert( branch );
+ }
+ }
+}
+
+
+static void makeDList( ssgBranch *b, const set<ssgBranch *> &ignore )
+{
+ int nb = b->getNumKids();
+ for (int i = 0; i<nb; i++) {
+ ssgEntity *e = b->getKid(i);
+ if (e->isAKindOf(ssgTypeLeaf())) {
+ if( ((ssgLeaf*)e)->getNumVertices() > 0)
+ ((ssgLeaf*)e)->makeDList();
+ } else if (e->isAKindOf(ssgTypeBranch()) && ignore.find((ssgBranch *)e) == ignore.end()) {
+ makeDList( (ssgBranch*)e, ignore );
+ }
+ }
}
+class sgLoaderOptions : public ssgLoaderOptions {
+public:
+ void endLoad() {} // Avoid clearing the texture cache after every model load
+};
+static sgLoaderOptions loaderOptions;
\f
////////////////////////////////////////////////////////////////////////
ssgBranch *
sgLoad3DModel( const string &fg_root, const string &path,
SGPropertyNode *prop_root,
- double sim_time_sec )
+ double sim_time_sec, ssgEntity *(*load_panel)(SGPropertyNode *),
+ SGModelData *data )
{
ssgBranch * model = 0;
SGPropertyNode props;
// Load the 3D aircraft object itself
- SGPath modelpath = path;
+ SGPath modelpath = path, texturepath = path;
if ( !ulIsAbsolutePathName( path.c_str() ) ) {
SGPath tmp = fg_root;
tmp.append(modelpath.str());
- modelpath = tmp;
+ modelpath = texturepath = tmp;
}
// Check for an XML wrapper
if (props.hasValue("/path")) {
modelpath = modelpath.dir();
modelpath.append(props.getStringValue("/path"));
+ if (props.hasValue("/texture-path")) {
+ texturepath = texturepath.dir();
+ texturepath.append(props.getStringValue("/texture-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 (texturepath.extension() != "")
+ texturepath = texturepath.dir();
+
+ ssgTexturePath((char *)texturepath.c_str());
+ model = (ssgBranch *)ssgLoad((char *)modelpath.c_str(), &loaderOptions);
if (model == 0)
- throw sg_exception("Failed to load 3D model");
+ throw sg_io_exception("Failed to load 3D model",
+ sg_location(modelpath.str()));
}
-
// 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,
unsigned int i;
- // 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);
- }
-
// Load sub-models
vector<SGPropertyNode_ptr> model_nodes = props.getChildren("model");
for (i = 0; i < model_nodes.size(); i++) {
node->getFloatValue("offsets/z-m", 0.0));
align->setTransform(res_matrix);
- ssgBranch * kid = sgLoad3DModel( fg_root, node->getStringValue("path"),
- prop_root, sim_time_sec );
+ ssgBranch * kid;
+ const char * submodel = node->getStringValue("path");
+ try {
+ kid = sgLoad3DModel( fg_root, submodel, prop_root, sim_time_sec, load_panel );
+
+ } catch (const sg_throwable &t) {
+ SG_LOG(SG_INPUT, SG_ALERT, "Failed to load submodel: " << t.getFormattedMessage());
+ throw;
+ }
align->addKid(kid);
+ align->setName(node->getStringValue("name", ""));
model->addKid(align);
}
+ 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);
+ }
+ }
+
+ if (data) {
+ alignmainmodel->setUserData(data);
+ data->modelLoaded(path, &props, alignmainmodel);
+ }
+ // Load animations
+ set<ssgBranch *> ignore_branches;
+ 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, texturepath, ignore_branches);
+ }
+
+#if PLIB_VERSION > 183
+ if ( model != 0 && sgUseDisplayList ) {
+ makeDList( model, ignore_branches );
+ }
+#endif
+
+ int m = props.getIntValue("dump", 0);
+ if (m > 0)
+ model->print(stderr, "", m - 1);
+
return alignmainmodel;
}
+bool
+sgSetModelFilter( bool filter )
+{
+ bool old = model_filter;
+ model_filter = filter;
+ return old;
+}
+
+bool
+sgCheckAnimationBranch (ssgEntity * entity)
+{
+ return entity->getTravCallback(SSG_CALLBACK_PRETRAV) == animation_callback;
+}
// end of model.cxx
projects / simgear.git / blobdiff