added ag::drawObjects() to draw all objects in the scene from a lua script

git-svn-id: svn://anubis/anaglym/trunk@65 99a6e188-d820-4881-8870-2d33a10e2619

ag.cc

@@ -30,6 +30,7 @@ namespace ag
             { "setCamera", setCamera },
             { "elapsedTime", elapsedTime },
             { "doPhysics", doPhysics },
+            { "drawObjects", drawObjects },
             { NULL, NULL }
         };
         luaL_register(L, "ag", functions);
@@ -214,6 +215,12 @@ namespace ag
         return 0;
     }
 
+    int drawObjects(lua_State * L)
+    {
+        g_engine->drawObjects();
+        return 0;
+    }
+
     namespace object
     {
         static Engine::Object * getObject(lua_State * L, int index)

ag.h

@@ -17,6 +17,7 @@ namespace ag
     int setCamera(lua_State * L);
     int elapsedTime(lua_State * L);
     int doPhysics(lua_State * L);
+    int drawObjects(lua_State * L);
 
     namespace object
     {

anaglym.cc

@@ -334,6 +334,15 @@ void Engine::doPhysics()
     last_updated = current_ticks;
 }
 
+void Engine::drawObjects()
+{
+    std::map<int, Object *>::iterator it;
+    for (it = m_objects.begin(); it != m_objects.end(); it++)
+    {
+        it->second->draw();
+    }
+}
+
 Engine::Object::Object(const Engine::Object & orig)
 {
     m_display_list = orig.m_display_list;

anaglym.h

@@ -61,6 +61,7 @@ class Engine
         int cloneObject(const Object * obj);
         Object * getObject(int id);
         void doPhysics();
+        void drawObjects();
 
         /* lua services */
         int startFrame(lua_State * L);

tests/ballstairs.lua

@@ -4,11 +4,7 @@ function update()
     ag.setCamera(7, -6, 15, ballx, bally, ballz, 0, 0, 1)
     ag.doPhysics()
     ag.startFrame()
-    arena:draw()
-    ball:draw()
-    ball2:draw()
-    ball3:draw()
-    logo:draw()
+    ag.drawObjects()
     ag.endFrame()
 end