VRUT::SceneManager Class Reference

Class for access and modifications of scene graphs. More...

#include <scenemanager.h>

List of all members.

Public Member Functions
	SceneManager ()
	Class constructor.
	~SceneManager ()
	Class destructor.
Scene *	GetScene (SCENE_ID sceneID) const
	Get scene container.
size_t	GetSceneIDs (std::vector< SCENE_ID > &IDlist) const
SCENE_ID	AddSceneGraph (SceneNode *sceneRoot)
Scene *	RemoveSceneGraph (SCENE_ID id)
	Remove scene graph (does not delete).
const Image *	GetImage (const wxString &imgPath, bool loadIfNotFound=true)
Private Member Functions
	WX_DECLARE_STRING_HASH_MAP (Image *, ImageList)
Private Attributes
std::vector< Scene * >	sceneList
	List of managed scenes.
ImageList	imageList
	Loaded images list.

---

Detailed Description

Class for access and modifications of scene graphs.

Definition at line 28 of file scenemanager.h.

---

Constructor & Destructor Documentation

SceneManager::SceneManager

(

)

Class constructor.

Definition at line 22 of file scenemanager.cpp.

{
       wxImage::AddHandler(new wxRGBHandler());
}

SceneManager::~SceneManager

(

)

Class destructor.

Definition at line 28 of file scenemanager.cpp.

{
       SAFE_DELETE_ARR_EACH(sceneList, sceneList.size());
       ImageList::iterator it = imageList.begin();
       for ( ; it != imageList.end(); it++)
              SAFE_DELETE(it->second);
}

---

Member Function Documentation

VRUT::SceneManager::WX_DECLARE_STRING_HASH_MAP	(	Image *	,
		ImageList
	)			[private]

Scene* VRUT::SceneManager::GetScene

(

SCENE_ID

sceneID

)

const [inline]

Get scene container.

Definition at line 44 of file scenemanager.h.

              {
                     return ( sceneID >= sceneList.size() ? (Scene *)NULL : sceneList[sceneID] );
              }

size_t SceneManager::GetSceneIDs

(

std::vector< SCENE_ID > &

IDlist

)

const

Get list of SCENE_IDs

Parameters:

[out]

IDlist

List of SCENE_IDs

Returns:

Number of active scenes

Definition at line 37 of file scenemanager.cpp.

{
       IDlist.clear();
       for (size_t i=0; i<sceneList.size(); i++)
       {
              if (sceneList[i])
                     IDlist.push_back(SCENE_ID(i));
       }
       return IDlist.size();
}

SCENE_ID SceneManager::AddSceneGraph

(

SceneNode *

sceneRoot

)

Add scene graph

Returns:

Scene graph ID (root node's ID)

Definition at line 49 of file scenemanager.cpp.

{
       SCENE_ID id = SCENE_ID(sceneList.size());
       Scene * scene = new Scene(id, KERNEL->GetMessageSink());
       scene->Insert(sceneRoot, NODE_ID_NONE);
       sceneList.push_back(scene);
       scene->sceneManager = this;
       return id;
}

Scene * SceneManager::RemoveSceneGraph

(

SCENE_ID

id

)

Remove scene graph (does not delete).

Definition at line 60 of file scenemanager.cpp.

{
       Scene * scene = GetScene(id);
       if (scene)
       {
              sceneList[id] = (Scene *)NULL;
              scene->sceneManager = (SceneManager *)NULL;
       }
       return scene;
}

const Image * SceneManager::GetImage	(	const wxString &	imgPath,
		bool	loadIfNotFound = true
	)

Get texture image, load from given filename if not loaded NOTE: If called from module, module must call wxInitAllImageHandlers() first

Parameters:

[in]	imgPath	Path to image file (also a key to hash map with images)
[in]	loadIfNotFound	Load texture from file if not found in image list

Returns:

Image instance or NULL

Definition at line 72 of file scenemanager.cpp.

{
       ImageList::iterator img = imageList.find(imgPath);
       if (img != imageList.end())
              return img->second;
       else if (loadIfNotFound)
       {
              wxFileName fname(imgPath);
              Image * image = (Image *)NULL;
              if (fname.GetExt().IsSameAs(wxT("dds"), false))
                     image = new ImageDDS;
              else
                     image = new ImageCommon;
              if (image && image->Load(imgPath))
              {
                     ImageList::Insert_Result res = imageList.insert(ImageList::value_type(imgPath, image));
                     if (res.second)
                     {
                            wxCommandEvent evRes = Event::GET_EVT_SCENE_IMAGE_ADDED(imgPath);
                            KERNEL->GetMessageSink()->PostEvent(evRes);
                            return image;
                     }
              }
              else
                     SAFE_DELETE(image);
       }

       return (Image *)NULL;
}

---

Member Data Documentation

std::vector<Scene *> VRUT::SceneManager::sceneList [private]

List of managed scenes.

Definition at line 33 of file scenemanager.h.

ImageList VRUT::SceneManager::imageList [private]

Loaded images list.

Definition at line 35 of file scenemanager.h.

---

The documentation for this class was generated from the following files:

• /cygdrive/d/src/svn/vrut/trunk/core/src/scenemanager.h
• /cygdrive/d/src/svn/vrut/trunk/core/src/scenemanager.cpp