Changeset 3514 in orxonox.OLD for orxonox/branches/trackManager

Timestamp:

Mar 12, 2005, 2:27:48 AM (20 years ago)

Author:

bensch

Message:

orxonox/branches/trackManager: constructed a simple pathChooser-module, with Method-function pointer… really fancy stuff

Location:

orxonox/branches/trackManager/src

Files:

• track_manager.cc (modified) (4 diffs)
• track_manager.h (modified) (2 diffs)

orxonox/branches/trackManager/src/track_manager.cc

@@ -47 +47 @@
   this->curve = NULL;
   this->children = NULL;
+  this->condFunc = &TrackElement::random;
 }
 
@@ -110 +111 @@
 }
 
+int TrackElement::lowest(void* nothing)
+{
+  return 0;
+}
+
+int TrackElement::highest(void* nothing)
+{ 
+  return this->childCount-1;
+}
+
+int TrackElement::random(void* nothing)
+{
+  if (this->childCount == 0)
+    return 0;
+  else
+    {
+      int i = (int)floor ((float)rand()/(float)RAND_MAX * (float)this->childCount);
+      if (i >= this->childCount)
+        return this->childCount-1;
+      else 
+        return i;
+    }
+}
 
 
@@ -530 +554 @@
       && this->currentTrackElem->children)
     {
-      if (this->currentTrackElem->jumpTime > 0) 
+      if (this->currentTrackElem->jumpTime > 0)
         this->jumpTo(this->localTime + this->currentTrackElem->jumpTime);
-      this->currentTrackElem = this->currentTrackElem->children[0];
+      this->currentTrackElem = this->currentTrackElem->children[this->choosePath(this->currentTrackElem)];
     }
   if (this->bindSlave)
@@ -559 +583 @@
 /**
    \brief a Function that decides which Path we should follow.
-   \param graphID The Path to choose.
+   \param trackElem The Path to choose.
    
 */
-void TrackManager::choosePath(int graphID)
-{
-
+int TrackManager::choosePath(TrackElement* trackElem)
+{
+  return (trackElem->*(trackElem->condFunc))(NULL);
 }
 

orxonox/branches/trackManager/src/track_manager.h

@@ -56 +56 @@
   int childCount;            //!< The number of Children This TrackElement has.
   TrackElement** children;   //!< A TrackElement can have a Tree of following TrackElements.
+
+  // CONDITION FUNCTIONS
+  int (TrackElement::*condFunc)(void*); //!< Pointer to the condition function
+
+  int lowest(void* nothing);
+  int highest(void* nothing);
+  int random(void* nothing);
 };
 
@@ -137 +144 @@
   void tick(float dt);
   void jumpTo(float time);
-  void choosePath(int graphID);
+  int choosePath(TrackElement* trackElem);
 
   void setBindSlave(PNode* bindSlave);