Changeset 5397 in orxonox.OLD for trunk/src/lib/graphics/render2D/render_2d.cc

Timestamp:

Oct 18, 2005, 5:33:11 PM (19 years ago)

Author:

bensch

Message:

orxonox/trunk: Elemet2D-drawing better
prevent segfault in setParent with NULL as new Parent in Element2D and PNode

File:

• trunk/src/lib/graphics/render2D/render_2d.cc (modified) (6 diffs)

trunk/src/lib/graphics/render2D/render_2d.cc

@@ -67 +67 @@
 {
   if (likely(element2D != NULL))
-    this->element2DList[(int)log2(E2D_DEFAULT_LAYER)]->add(element2D);
+    this->element2DList[E2D_DEFAULT_LAYER]->add(element2D);
 }
 
@@ -79 +79 @@
 void Render2D::unregisterElement2D(Element2D* element2D)
 {
-  this->element2DList[(int)log2(element2D->getLayer())]->remove(element2D);
+  this->element2DList[element2D->getLayer()]->remove(element2D);
 }
 
@@ -93 +93 @@
     return;
 
-  if (unlikely(pow(2, E2D_LAYER_COUNT ) > to))
+  if (E2D_LAYER_COUNT  > to)
     to = E2D_DEFAULT_LAYER;
   if (element2D->getLayer() != to)
   {
-    this->element2DList[(int)log2(element2D->getLayer())]->remove(element2D);
-    this->element2DList[(int)log2(to)]->add(element2D);
+    this->element2DList[element2D->getLayer()]->remove(element2D);
+    this->element2DList[to]->add(element2D);
   }
 }
@@ -124 +124 @@
 
 /**
- * renders all the Elements of the Render2D-engine
- * @param layer the Layer to draw
+ * renders all the Elements of the Render2D-engine's layer
+ * @param layer the Layer to draw (if E2D_LAYER_ALL then all layers will be drawn)
  */
 void Render2D::draw(unsigned int layer) const
@@ -131 +131 @@
   GraphicsEngine::enter2DMode();
 
-  int drawLayer = 1;
-
-  for (int i = 0; i < E2D_LAYER_COUNT; i++)
+  if (layer != E2D_LAYER_ALL)
   {
-    if (layer & drawLayer && this->element2DList[i]->getSize() > 0)
+    if ( this->element2DList[layer]->getSize() > 0)
     {
-      tIterator<Element2D>* iterator = this->element2DList[i]->getIterator();
+      tIterator<Element2D>* iterator = this->element2DList[layer]->getIterator();
       Element2D* elem = iterator->firstElement();
       while (elem != NULL)
@@ -147 +145 @@
       delete iterator;
     }
-    drawLayer << 1;
+  }
+  else  // if (layer != E2D_LAYER_ALL)
+  {
+    for (int i = 0; i < E2D_LAYER_COUNT; i++)
+    {
+      if (this->element2DList[i]->getSize() > 0)
+      {
+        tIterator<Element2D>* iterator = this->element2DList[i]->getIterator();
+        Element2D* elem = iterator->firstElement();
+        while (elem != NULL)
+        {
+          if (elem->isVisible())
+            elem->draw();
+          elem = iterator->nextElement();
+        }
+        delete iterator;
+      }
+    }
   }
   GraphicsEngine::leave2DMode();