1 files changed, 128 insertions, 0 deletions
diff --git a/tool_src/QvLib/QvState.cpp b/tool_src/QvLib/QvState.cpp
new file mode 100644
index 0000000..6a629b8
--- /dev/null
+++ b/tool_src/QvLib/QvState.cpp
@@ -0,0 +1,128 @@
+
+//[MSH_START]
+// 02/01/98:	moved FetchCoordinate3State(), FetchMaterialState(), and
+//				FetchMaterialBindingState() into class BRep.
+// 01/01/98:	added new material retrieval code (msh)
+// 05/05/97:	added new constructor (msh)
+// 04/03/97:	added display of coordinate3 stack (msh)
+//[MSH_END]
+
+#include <QvState.h>
+
+
+const char *QvState::stackNames[NumStacks] = {
+    "Camera",
+    "Coordinate3",
+    "Light",
+    "MaterialBinding",
+    "Material",
+    "NormalBinding",
+    "Normal",
+    "ShapeHints",
+    "Texture2",
+    "Texture2Transformation",
+    "TextureCoordinate2",
+    "Transformation",
+};
+
+//[MSH_START]
+QvState::QvState( BSPLIB_NAMESPACE::VrmlFile *base )
+{
+	vrmlfile_base = base;
+	//stacks = new QvElement[NumStacks];
+
+    //stacks = (QvElement **) new QvElement[NumStacks];
+	//stacks = new QvElement * [NumStacks];
+
+	for (int i = 0; i < NumStacks; i++){
+		stacks[i] = NULL;
+	}
+    depth = 0;
+}
+//[MSH_END]
+
+QvState::QvState()
+{
+//[MSH_START]
+	vrmlfile_base = NULL;
+//[MSH_END]
+
+    //stacks = new QvElement[NumStacks];
+	//stacks = (QvElement **) new QvElement[NumStacks];
+	//stacks = new QvElement * [NumStacks];
+
+	int i = 0;
+    for (i = 0; i < NumStacks; i++){
+		stacks[i] = NULL;
+	}
+    depth = 0;
+}
+
+QvState::~QvState()
+{
+    while (depth > 0)
+	pop();
+
+    //delete [] stacks;
+}
+
+void
+QvState::addElement(StackIndex stackIndex, QvElement *elt)
+{
+    elt->depth = depth;
+    elt->next = stacks[stackIndex];
+    stacks[stackIndex] = elt;
+}
+
+void
+QvState::push()
+{
+    depth++;
+}
+
+void
+QvState::pop()
+{
+    depth--;
+
+    for (int i = 0; i < NumStacks; i++)
+	while (stacks[i] != NULL && stacks[i]->depth > depth)
+	    popElement((StackIndex) i);
+}
+
+void
+QvState::popElement(StackIndex stackIndex)
+{
+    QvElement *elt = stacks[stackIndex];
+    stacks[stackIndex] = elt->next;
+    delete elt;
+}
+
+void
+QvState::print()
+{
+    printf("Traversal state:\n");
+
+    for (int i = 0; i < NumStacks; i++) {
+		printf("\tStack [%2d] (%s):\n", i, stackNames[i]);
+
+		if (stacks[i] == NULL){
+			printf("\t\tNULL\n");
+		} else {
+			for (QvElement *elt = stacks[i]; elt != NULL; elt = elt->next) {
+				elt->print();
+//[MSH_START]
+/*
+				if ( i == Coordinate3Index ) {
+					QvCoordinate3 *c3 = (QvCoordinate3 *) elt->data;
+					for ( int j = 0; j < c3->point.num; j++ )
+						printf( "point[%d]=%f %f %f\n", j, c3->point.values[ j*3 ], c3->point.values[ j*3 + 1 ], c3->point.values[ j*3 + 2 ] );
+
+				}
+*/
+//[MSH_END]
+			}
+		}
+	
+    }
+}