Added rendering loop and keyboard listener

game/main.cpp

@@ -7,6 +7,7 @@
 #include "ogre/renderer.hpp"
 #include "tools/fileops.hpp"
 #include "input/oismanager.hpp"
+#include "input/listener.hpp"
 
 using namespace std;
 
@@ -43,17 +44,26 @@ void maintest()
   // Create the window
   ogre.createWindow("OpenMW");
 
-  Render::MWScene scene;
-  scene.setup(&ogre);
+  cout << "\nSetting up cell rendering (not done)\n";
+
+  // Sets up camera, scene manager etc
+  Render::MWScene scene(ogre);
 
   // This doesn't do anything yet.
   Render::CellRender rend(cell);
 
-  Input::OISManager input;
-  input.setup(&ogre);
+  cout << "Setting up input system\n";
 
-  // Add the frame listener
-  //root->addFrameListener(&mFrameListener);
+  // Sets up the input system
+  Input::OISManager input(ogre);
+
+  // Add the frame and input listener
+  Input::ExitListener frame(ogre, input);
+
+  cout << "\nStart! Press Q/ESC or close window to exit.\n";
+
+  // Start the main rendering loop
+  ogre.start();
 
   cout << "\nThat's all for now!\n";
 }

game/render/mwscene.cpp

@@ -5,13 +5,11 @@
 using namespace Render;
 using namespace Ogre;
 
-void MWScene::setup(OgreRenderer *_rend)
+MWScene::MWScene(OgreRenderer &_rend)
+  : rend(_rend)
 {
-  rend = _rend;
-  assert(rend);
-
-  Root *root = rend->getRoot();
-  RenderWindow *window = rend->getWindow();
+  Root *root = rend.getRoot();
+  RenderWindow *window = rend.getWindow();
 
   // Get the SceneManager, in this case a generic one
   sceneMgr = root->createSceneManager(ST_GENERIC);

game/render/mwscene.hpp

@@ -6,10 +6,13 @@
 namespace Render
 {
   /** Class responsible for Morrowind-specific interfaces to OGRE.
+
+      This might be refactored partially into a non-mw specific
+      counterpart in ogre/ at some point.
    */
   class MWScene
   {
-    OgreRenderer *rend;
+    OgreRenderer &rend;
     Ogre::SceneManager *sceneMgr;
     Ogre::Camera *camera;
     Ogre::Viewport *vp;
@@ -20,7 +23,7 @@ namespace Render
     Ogre::SceneNode *mwRoot;
 
   public:
-    void setup(OgreRenderer *_rend);
+    MWScene(OgreRenderer &_rend);
   };
 }
 

input/listener.hpp

@@ -0,0 +1,89 @@
+#ifndef _INPUT_LISTENER_H
+#define _INPUT_LISTENER_H
+
+#include "oismanager.hpp"
+#include "ogre/renderer.hpp"
+
+#include <iostream>
+
+namespace Input
+{
+  struct ExitListener : Ogre::FrameListener,
+                        OIS::KeyListener,
+                        OIS::MouseListener
+  {
+    ExitListener(Render::OgreRenderer &rend,
+                 Input::OISManager &input)
+      : doExit(false)
+    {
+      // Set up component pointers
+      mWindow = rend.getWindow();
+      mMouse = input.mouse;
+      mKeyboard = input.keyboard;
+
+      // Add ourself to the managers
+      rend.getRoot() -> addFrameListener(this);
+      mKeyboard      -> setEventCallback(this);
+      mMouse         -> setEventCallback(this);
+    }
+
+    // Call this to exit the main loop
+    void exitNow() { doExit = true; }
+
+    bool frameStarted(const Ogre::FrameEvent &evt)
+    {
+      if(mWindow->isClosed() || doExit)
+        return false;
+
+      // Capture keyboard and mouse events
+      mKeyboard->capture();
+      mMouse->capture();
+
+      return Ogre::FrameListener::frameStarted(evt);
+    }
+
+    bool keyPressed( const OIS::KeyEvent &arg )
+    {
+      /*
+      std::cout << "KeyPressed {" << arg.key
+                << ", " << ((OIS::Keyboard*)(arg.device))->getAsString(arg.key)
+                << "} || Character (" << (char)arg.text << ")\n";
+      */
+      using namespace OIS;
+
+      if(arg.key == KC_Q ||
+         arg.key == KC_ESCAPE)
+        exitNow();
+
+      return true;
+    }
+
+    bool keyReleased( const OIS::KeyEvent &arg )
+    {
+      return true;
+    }
+
+    bool mouseMoved( const OIS::MouseEvent &arg )
+    {
+      return true;
+    }
+
+    bool mousePressed( const OIS::MouseEvent &arg, OIS::MouseButtonID id )
+    {
+      return true;
+    }
+
+    bool mouseReleased( const OIS::MouseEvent &arg, OIS::MouseButtonID id )
+    {
+      return true;
+    }
+
+    private:
+
+    Ogre::RenderWindow *mWindow;
+    OIS::Mouse *mMouse;
+    OIS::Keyboard *mKeyboard;
+    bool doExit;
+  };
+}
+#endif

input/oismanager.cpp

@@ -10,11 +10,9 @@ using namespace OIS;
 #include <iostream>
 using namespace std;
 
-void OISManager::setup(Render::OgreRenderer *rend)
+OISManager::OISManager(Render::OgreRenderer &rend)
 {
-  assert(rend);
-
-  RenderWindow *window = rend->getWindow();
+  RenderWindow *window = rend.getWindow();
   assert(window);
 
   size_t windowHnd;
@@ -62,15 +60,9 @@ void OISManager::setup(Render::OgreRenderer *rend)
   const MouseState &ms = mouse->getMouseState();
   ms.width  = window->getWidth();
   ms.height = window->getHeight();
-
-  /*
-  // Register the input listener
-  keyboard -> setEventCallback( &mInput );
-  mouse    -> setEventCallback( &mInput );
-  */
 }
 
-void OISManager::cleanup()
+OISManager::~OISManager()
 {
   if(inputMgr == NULL) return;
 

input/oismanager.hpp

@@ -6,15 +6,14 @@
 
 namespace Input
 {
-  class OISManager
+  struct OISManager
   {
     OIS::InputManager *inputMgr;
     OIS::Mouse *mouse;
     OIS::Keyboard *keyboard;
 
-  public:
-    void setup(Render::OgreRenderer *rend);
-    void cleanup();
+    OISManager(Render::OgreRenderer &rend);
+    ~OISManager();
   };
 }
 #endif

ogre/renderer.hpp

@@ -33,7 +33,13 @@ namespace Render
     /// Kill the renderer.
     void cleanup();
 
+    /// Start the main rendering loop
+    void start() { mRoot->startRendering(); }
+
+    /// Get the Root
     Ogre::Root *getRoot() { return mRoot; }
+
+    /// Get the rendering window
     Ogre::RenderWindow *getWindow() { return mWindow; }
   };
 }

old_d_version/ogre/cpp_interface.cpp

@@ -148,11 +148,6 @@ extern "C" void ogre_setFog(float rf, float gf, float bf, // Fog color
   vp->setBackgroundColour(fogColor);
 }
 
-extern "C" void ogre_startRendering()
-{
-  mRoot->startRendering();
-}
-
 // Copy a scene node and all its children
 void cloneNode(SceneNode *from, SceneNode *to, char* name)
 {