Split up model[] into ship[], aircraft[], ballistic[] and model[] (for unspecified models).

src/AIModel/AIAircraft.cxx

@@ -51,6 +51,7 @@ FGAIAircraft::FGAIAircraft() {
    // set heading and altitude locks
    hdg_lock = false;
    alt_lock = false;
+   _type_str = "aircraft";
 }
 
 

src/AIModel/AIBallistic.cxx

@@ -28,6 +28,7 @@
 
 
 FGAIBallistic::FGAIBallistic() {
+    _type_str = "ballistic";
 }
 
 FGAIBallistic::~FGAIBallistic() {

src/AIModel/AIBase.cxx

@@ -46,6 +46,7 @@ FGAIBase *FGAIBase::_self = NULL;
 
 FGAIBase::FGAIBase() {
     _self = this;
+    _type_str = "model";
 }
 
 FGAIBase::~FGAIBase() {
@@ -66,11 +67,11 @@ void FGAIBase::Transform() {
 bool FGAIBase::init() {
 
    SGPropertyNode *root = globals->get_props()->getNode("ai/modeles", true);
-   vector<SGPropertyNode_ptr> p_vec = root->getChildren("model");
+   vector<SGPropertyNode_ptr> p_vec = root->getChildren(_type_str);
    unsigned num = p_vec.size();
    p_vec.clear();
 
-   props = root->getNode("model", num, true);
+   props = root->getNode(_type_str, num, true);
    ssgBranch *model = sgLoad3DModel( globals->get_fg_root(),
 	                             model_path.c_str(),
                                      props,

src/AIModel/AIBase.hxx

@@ -78,6 +78,7 @@ protected:
     void Transform();
 
     static FGAIBase *_self;
+    const char *_type_str;
 
 private:
 
@@ -85,6 +86,7 @@ private:
     static void _setLatitude ( double latitude );
     static double _getLongitude();
     static double _getLatitude ();
+
 };
 
 

src/AIModel/AIShip.cxx

@@ -30,6 +30,7 @@
 FGAIShip::FGAIShip() {
    hdg_lock = false;
    rudder = 0.0;
+   _type_str = "ship";
 }
 
 FGAIShip::~FGAIShip() {