Frederic Bouvier:

[simgear.git] / simgear / scene / model / model.cxx

diff --git a/simgear/scene/model/model.cxx b/simgear/scene/model/model.cxx
index 853e41be6faf31faa178e6cb3ddf082a1094b822..3d7cf5f3f8493ee3244905fde46a991cc959a19f 100644 (file)
--- a/simgear/scene/model/model.cxx
+++ b/simgear/scene/model/model.cxx
@@ -17,31 +17,52 @@
 #include <plib/ssg.h>
 #include <plib/ul.h>
 
-#include <simgear/misc/exception.hxx>
+#include <simgear/structure/exception.hxx>
 #include <simgear/misc/sg_path.hxx>
 #include <simgear/props/props.hxx>
 #include <simgear/props/props_io.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)
 {
-    ((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;
 }
 
 
@@ -108,7 +129,7 @@ sgMakeAnimation( ssgBranch * model,
   if (!strcmp("none", type)) {
     animation = new SGNullAnimation(node);
   } else if (!strcmp("range", type)) {
-    animation = new SGRangeAnimation(node);
+    animation = new SGRangeAnimation(prop_root, node);
   } else if (!strcmp("billboard", type)) {
     animation = new SGBillboardAnimation(node);
   } else if (!strcmp("select", type)) {
@@ -129,6 +150,14 @@ sgMakeAnimation( ssgBranch * model,
     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);
@@ -149,6 +178,9 @@ sgMakeAnimation( ssgBranch * model,
   } else {
     object = model;
   }
+
+  if ( animation == 0 )
+     return;
   
   ssgBranch * branch = animation->getBranch();
   splice_branch(branch, object);
@@ -169,6 +201,7 @@ sgMakeAnimation( ssgBranch * model,
   animation->init();
   branch->setUserData(animation);
   branch->setTravCallback(SSG_CALLBACK_PRETRAV, animation_callback);
+  branch->setTravCallback(SSG_CALLBACK_POSTTRAV, restore_callback);
 }
 
 
@@ -181,25 +214,22 @@ sgMakeAnimation( ssgBranch * model,
 ssgBranch *
 sgLoad3DModel( const string &fg_root, const string &path,
                SGPropertyNode *prop_root,
-               double sim_time_sec )
+               double sim_time_sec, ssgEntity *(*load_panel)(SGPropertyNode *) )
 {
   ssgBranch * model = 0;
   SGPropertyNode props;
 
                                 // Load the 3D aircraft object itself
-  SGPath xmlpath;
   SGPath modelpath = path;
-  if ( ulIsAbsolutePathName( path.c_str() ) ) {
-    xmlpath = modelpath;
-  }
-  else {
-    xmlpath = fg_root;
-    xmlpath.append(modelpath.str());
+  if ( !ulIsAbsolutePathName( path.c_str() ) ) {
+    SGPath tmp = fg_root;
+    tmp.append(modelpath.str());
+    modelpath = tmp;
   }
 
                                 // Check for an XML wrapper
-  if (xmlpath.str().substr(xmlpath.str().size() - 4, 4) == ".xml") {
-    readProperties(xmlpath.str(), &props);
+  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"));
@@ -212,7 +242,7 @@ sgLoad3DModel( const string &fg_root, const string &path,
                                 // Assume that textures are in
                                 // the same location as the XML file.
   if (model == 0) {
-    ssgTexturePath((char *)xmlpath.dir().c_str());
+    ssgTexturePath((char *)modelpath.dir().c_str());
     model = (ssgBranch *)ssgLoad((char *)modelpath.c_str());
     if (model == 0)
       throw sg_exception("Failed to load 3D model");
@@ -220,6 +250,8 @@ sgLoad3DModel( const string &fg_root, const string &path,
 
                                 // 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,
@@ -233,14 +265,16 @@ sgLoad3DModel( const string &fg_root, const string &path,
 
   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);
+  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
@@ -259,13 +293,32 @@ sgLoad3DModel( const string &fg_root, const string &path,
     align->setTransform(res_matrix);
 
     ssgBranch * kid = sgLoad3DModel( fg_root, node->getStringValue("path"),
-                                     prop_root, sim_time_sec );
+                                     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