X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FScripting%2Fnasal-props.cxx;h=1df4b0d42b93741296eb0229dafb18166b102d1a;hb=688d76613e2ece5fdb0e36b5d836719d7a68830c;hp=0b97e42add4dbf74ecb8fc561659cabb88ec10be;hpb=f3ba7a3bd4250d8ddbd7e095456f0b0360d3a7e7;p=flightgear.git

diff --git a/src/Scripting/nasal-props.cxx b/src/Scripting/nasal-props.cxx
index 0b97e42ad..1df4b0d42 100644
--- a/src/Scripting/nasal-props.cxx
+++ b/src/Scripting/nasal-props.cxx
@@ -3,13 +3,18 @@
 #  include "config.h"
 #endif
 
+#include <cstring>
+
 #include <simgear/nasal/nasal.h>
 #include <simgear/props/props.hxx>
+#include <simgear/props/vectorPropTemplates.hxx>
 
 #include <Main/globals.hxx>
 
 #include "NasalSys.hxx"
 
+using namespace std;
+
 // Implementation of a Nasal wrapper for the SGPropertyNode class,
 // using the Nasal "ghost" (er... Garbage collection Handle for
 // OutSide Thingy) facility.
@@ -40,6 +45,15 @@ naRef FGNasalSys::propNodeGhost(SGPropertyNode* handle)
     return propNodeGhostCreate(_context, handle);
 }
 
+SGPropertyNode* ghostToPropNode(naRef ref)
+{
+  if (!naIsGhost(ref) || (naGhost_type(ref) != &PropNodeGhostType))
+    return NULL;
+  
+  SGPropertyNode_ptr* pp = (SGPropertyNode_ptr*) naGhost_ptr(ref);
+  return pp->ptr();
+}
+
 #define NASTR(s) s ? naStr_fromdata(naNewString(c),(char*)(s),strlen(s)) : naNil()
 
 //
@@ -49,27 +63,34 @@ naRef FGNasalSys::propNodeGhost(SGPropertyNode* handle)
 // array.  This allows the Nasal handlers to do things like:
 //   Node.getChild = func { _getChild(me.ghost, arg) }
 //
-#define NODEARG()                                                       \
+#define NODENOARG()                                                       \
     if(argc < 2 || !naIsGhost(args[0]) ||                               \
        naGhost_type(args[0]) != &PropNodeGhostType)                       \
         naRuntimeError(c, "bad argument to props function");            \
-    SGPropertyNode_ptr* node = (SGPropertyNode_ptr*)naGhost_ptr(args[0]); \
+    SGPropertyNode_ptr* node = (SGPropertyNode_ptr*)naGhost_ptr(args[0]);
+
+#define NODEARG()                                                       \
+    NODENOARG(); 							\
     naRef argv = args[1]
 
 static naRef f_getType(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    using namespace simgear;
+    NODENOARG();
     const char* t = "unknown";
     switch((*node)->getType()) {
-    case SGPropertyNode::NONE:   t = "NONE";   break;
-    case SGPropertyNode::ALIAS:  t = "ALIAS";  break;
-    case SGPropertyNode::BOOL:   t = "BOOL";   break;
-    case SGPropertyNode::INT:    t = "INT";    break;
-    case SGPropertyNode::LONG:   t = "LONG";   break;
-    case SGPropertyNode::FLOAT:  t = "FLOAT";  break;
-    case SGPropertyNode::DOUBLE: t = "DOUBLE"; break;
-    case SGPropertyNode::STRING: t = "STRING"; break;
-    case SGPropertyNode::UNSPECIFIED: t = "UNSPECIFIED"; break;
+    case props::NONE:   t = "NONE";   break;
+    case props::ALIAS:  t = "ALIAS";  break;
+    case props::BOOL:   t = "BOOL";   break;
+    case props::INT:    t = "INT";    break;
+    case props::LONG:   t = "LONG";   break;
+    case props::FLOAT:  t = "FLOAT";  break;
+    case props::DOUBLE: t = "DOUBLE"; break;
+    case props::STRING: t = "STRING"; break;
+    case props::UNSPECIFIED: t = "UNSPECIFIED"; break;
+    case props::VEC3D:  t = "VEC3D";  break;
+    case props::VEC4D:  t = "VEC4D";  break;
+    case props::EXTENDED: t = "EXTENDED";  break; // shouldn't happen
     }
     return NASTR(t);
 }
@@ -94,6 +115,7 @@ static naRef f_getAttribute(naContext c, naRef me, int argc, naRef* args)
     else if(!strcmp(a, "trace-read"))  attr = SGPropertyNode::TRACE_READ;
     else if(!strcmp(a, "trace-write")) attr = SGPropertyNode::TRACE_WRITE;
     else if(!strcmp(a, "userarchive")) attr = SGPropertyNode::USERARCHIVE;
+    else if(!strcmp(a, "preserve"))    attr = SGPropertyNode::PRESERVE;
     else {
         naRuntimeError(c, "props.getAttribute() with invalid attribute");
         return naNil();
@@ -119,6 +141,7 @@ static naRef f_setAttribute(naContext c, naRef me, int argc, naRef* args)
     else if(!strcmp(a, "trace-read"))  attr = SGPropertyNode::TRACE_READ;
     else if(!strcmp(a, "trace-write")) attr = SGPropertyNode::TRACE_WRITE;
     else if(!strcmp(a, "userarchive")) attr = SGPropertyNode::USERARCHIVE;
+    else if(!strcmp(a, "preserve"))    attr = SGPropertyNode::PRESERVE;
     else {
         naRuntimeError(c, "props.setAttribute() with invalid attribute");
         return naNil();
@@ -130,43 +153,100 @@ static naRef f_setAttribute(naContext c, naRef me, int argc, naRef* args)
 
 static naRef f_getName(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    NODENOARG();
     return NASTR((*node)->getName());
 }
 
 static naRef f_getIndex(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    NODENOARG();
     return naNum((*node)->getIndex());
 }
 
+template<typename T>
+naRef makeVectorFromVec(naContext c, const T& vec)
+{
+    const int num_components
+        = sizeof(vec.data()) / sizeof(typename T::value_type);
+    naRef vector = naNewVector(c);
+    naVec_setsize(c, vector, num_components);
+    for (int i = 0; i < num_components; ++i)
+        naVec_set(vector, i, naNum(vec[i]));
+    return vector;
+}
+
 static naRef f_getValue(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    using namespace simgear;
+    NODENOARG();
     switch((*node)->getType()) {
-    case SGPropertyNode::BOOL:   case SGPropertyNode::INT:
-    case SGPropertyNode::LONG:   case SGPropertyNode::FLOAT:
-    case SGPropertyNode::DOUBLE:
-        return naNum((*node)->getDoubleValue());
-    case SGPropertyNode::STRING:
-    case SGPropertyNode::UNSPECIFIED:
+    case props::BOOL:   case props::INT:
+    case props::LONG:   case props::FLOAT:
+    case props::DOUBLE:
+    {
+        double dv = (*node)->getDoubleValue();
+        if (osg::isNaN(dv)) {
+          SG_LOG(SG_NASAL, SG_ALERT, "Nasal getValue: property " << (*node)->getPath() << " is NaN");
+          return naNil();
+        }
+
+        return naNum(dv);
+    }
+
+    case props::STRING:
+    case props::UNSPECIFIED:
         return NASTR((*node)->getStringValue());
+    case props::VEC3D:
+        return makeVectorFromVec(c, (*node)->getValue<SGVec3d>());
+    case props::VEC4D:
+        return makeVectorFromVec(c, (*node)->getValue<SGVec4d>());
     default:
         return naNil();
     }
 }
 
+template<typename T>
+T makeVecFromVector(naRef vector)
+{
+    T vec;
+    const int num_components
+        = sizeof(vec.data()) / sizeof(typename T::value_type);
+    int size = naVec_size(vector);
+
+    for (int i = 0; i < num_components && i < size; ++i) {
+        naRef element = naVec_get(vector, i);
+        naRef n = naNumValue(element);
+        if (!naIsNil(n))
+            vec[i] = n.num;
+    }
+    return vec;
+}
+
 static naRef f_setValue(naContext c, naRef me, int argc, naRef* args)
 {
     NODEARG();
     naRef val = naVec_get(argv, 0);
     bool result = false;
-    if(naIsString(val)) result = (*node)->setStringValue(naStr_data(val));
-    else {
+    if(naIsString(val)) {
+        result = (*node)->setStringValue(naStr_data(val));
+    } else if(naIsVector(val)) {
+        if(naVec_size(val) == 3)
+            result = (*node)->setValue(makeVecFromVector<SGVec3d>(val));
+        else if(naVec_size(val) == 4)
+            result = (*node)->setValue(makeVecFromVector<SGVec4d>(val));
+        else
+            naRuntimeError(c, "props.setValue() vector value has wrong size");
+    } else {
         naRef n = naNumValue(val);
         if(naIsNil(n))
             naRuntimeError(c, "props.setValue() with non-number");
-        result = (*node)->setDoubleValue(naNumValue(val).num);
+
+        double d = naNumValue(val).num;
+        if (osg::isNaN(d)) {
+          naRuntimeError(c, "props.setValue() passed a NaN");
+        }
+
+        result = (*node)->setDoubleValue(d);
     }
     return naNum(result);
 }
@@ -199,14 +279,19 @@ static naRef f_setDoubleValue(naContext c, naRef me, int argc, naRef* args)
 {
     NODEARG();
     naRef r = naNumValue(naVec_get(argv, 0));
-    if(naIsNil(r))
+    if (naIsNil(r))
         naRuntimeError(c, "props.setDoubleValue() with non-number");
+
+    if (osg::isNaN(r.num)) {
+      naRuntimeError(c, "props.setDoubleValue() passed a NaN");
+    }
+
     return naNum((*node)->setDoubleValue(r.num));
 }
 
 static naRef f_getParent(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    NODENOARG();
     SGPropertyNode* n = (*node)->getParent();
     if(!n) return naNil();
     return propNodeGhostCreate(c, n);
@@ -317,13 +402,13 @@ static naRef f_alias(naContext c, naRef me, int argc, naRef* args)
 
 static naRef f_unalias(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    NODENOARG();
     return naNum((*node)->unalias());
 }
 
 static naRef f_getAliasTarget(naContext c, naRef me, int argc, naRef* args)
 {
-    NODEARG();
+    NODENOARG();
     return propNodeGhostCreate(c, (*node)->getAliasTarget());
 }