Changeset 4862 in orxonox.OLD for orxonox/trunk/src/lib/graphics/render2D/render_2d.cc

Timestamp:

Jul 14, 2005, 2:49:33 PM (19 years ago)

Author:

bensch

Message:

orxonox/trunk: introducing Layers

File:

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

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

@@ -23 +23 @@
 #include "element_2d.h"
 
+#include <math.h>
+
 using namespace std;
 
@@ -35 +37 @@
    this->setName("Render2D");
 
-   this->element2DList = new tList<Element2D>;
+   for (int i = 0; i < E2D_LAYER_COUNT; i++)
+     this->element2DList[i] = new tList<Element2D>;
 }
 
@@ -48 +51 @@
 Render2D::~Render2D ()
 {
-  delete this->element2DList;
+  for (int i = 0; i < E2D_LAYER_COUNT; i++)
+    delete this->element2DList[i];
 
   Render2D::singletonRef = NULL;
@@ -62 +66 @@
 void Render2D::registerElement2D(Element2D* element2D)
 {
-  this->element2DList->add(element2D);
+  this->element2DList[(int)log2(E2D_DEFAULT_LAYER)]->add(element2D);
 }
 
@@ -73 +77 @@
 void Render2D::unregisterElement2D(Element2D* element2D)
 {
-  this->element2DList->remove(element2D);
+  this->element2DList[(int)log2(element2D->getLayer())]->remove(element2D);
 }
 
 
+/**
+ * moves an 2D-Element to another Layer
+ * @param element2D the Element to move
+ * @param to which layer to move it to.
+ */
+void Render2D::moveToLayer(Element2D* element2D, E2D_LAYER to)
+{
+  this->element2DList[(int)log2(element2D->getLayer())]->remove(element2D);
+  this->element2DList[(int)log2(to)]->add(element2D);
+}
+
+
+/**
+ * ticks all the 2d-elements
+ * @param dt the timestep since last dt
+ */
 void Render2D::tick(float dt)
 {
-  tIterator<Element2D>* iterator = this->element2DList->getIterator();
-  Element2D* elem = iterator->nextElement();
-  while (elem != NULL)
+  for (int i = 0; i < E2D_LAYER_COUNT; i++)
   {
-    elem->tick(dt);
-    elem = iterator->nextElement();
+    tIterator<Element2D>* iterator = this->element2DList[i]->getIterator();
+    Element2D* elem = iterator->nextElement();
+    while (elem != NULL)
+    {
+      elem->tick(dt);
+      elem = iterator->nextElement();
+    }
+    delete iterator;
   }
-  delete iterator;
-
 }
 
@@ -93 +115 @@
  * renders all the Elements of the Render2D-engine
  */
-void Render2D::draw() const
+void Render2D::draw(unsigned int layer) const
 {
   GraphicsEngine::enter2DMode();
 
-  tIterator<Element2D>* iterator = this->element2DList->getIterator();
-  Element2D* elem = iterator->nextElement();
-  while (elem != NULL)
+  int drawLayer = 1;
+
+  for (int i = 0; i < E2D_LAYER_COUNT; i++)
   {
-    if (elem->isVisible())
-      elem->draw();
-    elem = iterator->nextElement();
+    if (layer & drawLayer && this->element2DList[i]->getSize() > 0)
+    {
+      tIterator<Element2D>* iterator = this->element2DList[i]->getIterator();
+      Element2D* elem = iterator->nextElement();
+      while (elem != NULL)
+      {
+        if (elem->isVisible())
+          elem->draw();
+        elem = iterator->nextElement();
+      }
+      delete iterator;
+    }
+    drawLayer << 1;
   }
-  delete iterator;
 
   GraphicsEngine::leave2DMode();
+
 }