OSGGRAPH :added HUD DEBUG, an helper for later visual debugging of rendered textures

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@5495 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 812c4eb6e6442b079cd96ef821df5c9adb0dbffb
Former-commit-id: 91858c3341f459839337e5ebf8d159cefe92bac4

src/modules/graphic/osggraph/CMakeLists.txt

@@ -28,6 +28,7 @@ SET(OSGGRAPH_HEADERS OsgUtil/OsgVectorArrayAdapter.h
                      OsgView/OsgView.h  	
                      OsgView/OsgScreens.h 
                      OsgView/OsgCamera.h
+		     OsgView/OsgDebugHUD.h
 
 		     OsgCar/OsgCar.h 
 		     OsgCar/OsgWheel.h 
@@ -61,6 +62,7 @@ SET(OSGGRAPH_SOURCES OsgUtil/OsgSphere.cpp
                      OsgView/OsgView.cpp 
                      OsgView/OsgScreens.cpp
 		     OsgView/OsgCamera.cpp
+		     OsgView/OsgDebugHUD.cpp
 
 		     OsgCar/OsgCar.cpp 
 		     OsgCar/OsgWheel.cpp

src/modules/graphic/osggraph/OsgMain.cpp

@@ -182,6 +182,11 @@ void SDChangeScreen(void * vp)
     screens->changeScreen(t);
 }
 
+void SDToggleHUD(void * vp)
+{
+    screens->toggleDebugHUD();
+}
+
 int initView(int x, int y, int width, int height, int /* flag */, void *screen)
 {
     //render = new SDRender();
@@ -228,6 +233,8 @@ int initView(int x, int y, int width, int height, int /* flag */, void *screen)
     GfuiAddKey(screen, GFUIK_F10,      "Follow Car Zoomed", (void*)8, SDSelectCamera, NULL);
     GfuiAddKey(screen, GFUIK_F11,      "TV Director View",  (void*)9, SDSelectCamera, NULL);
 
+    GfuiAddKey(screen, GFUIK_F12,      "Activate DEBUG HUD",  (void*)9, SDToggleHUD, NULL);
+
     /*GfuiAddKey(screen, '5',            "Debug Info",        (void*)3, grSelectBoard, NULL);
     GfuiAddKey(screen, '4',            "G/Cmd Graph",       (void*)4, grSelectBoard, NULL);
     GfuiAddKey(screen, '3',            "Leaders Board",     (void*)2, grSelectBoard, NULL);

src/modules/graphic/osggraph/OsgView/OsgDebugHUD.cpp

@@ -0,0 +1,29 @@
+#include <osgDB/ReadFile>
+#include <osg/Geometry>
+#include <osg/Geode>
+
+#include "OsgDebugHUD.h"
+
+SDDebugHUD::SDDebugHUD(){
+
+    osg::Geometry* geom = osg::createTexturedQuadGeometry(
+        osg::Vec3(), osg::Vec3(0.5f,0.0f,0.0f), osg::Vec3(0.0f,0.7f,0.0f),
+        0.0f, 0.0f, -1.0f, 1.0f );
+    osg::ref_ptr<osg::Geode> quad = new osg::Geode;
+    quad->addDrawable( geom );
+
+    HUD_camera = new osg::Camera;
+    HUD_camera->setClearMask( GL_DEPTH_BUFFER_BIT );
+    HUD_camera->setRenderOrder( osg::Camera::POST_RENDER );
+    HUD_camera->setProjectionMatrix(osg::Matrix::ortho2D(-1, 1, -1, 1));
+    HUD_camera->setReferenceFrame( osg::Camera::ABSOLUTE_RF );
+    HUD_camera->addChild( quad );
+    HUD_camera->setNodeMask(0);
+}
+
+void SDDebugHUD::toggleHUD(){
+    HUD_camera->setNodeMask(1-HUD_camera->getNodeMask());
+}
+
+SDDebugHUD::~SDDebugHUD(){
+}

src/modules/graphic/osggraph/OsgView/OsgDebugHUD.h

@@ -0,0 +1,41 @@
+/***************************************************************************
+
+    file        : OsgScreens.h
+    created     : Sat Feb 2013 15:52:19 CEST 2013
+    copyright   : (C) 2013 by Gaëtan André
+    email       : gaetan.andre@gmail.com
+    version     : $Id$
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _OSGDEBUGHUD_H_
+#define _OSGDEBUGHUD_H_
+
+#include<osg/ref_ptr>
+#include<osg/Camera>
+
+class SDDebugHUD
+{
+    private:
+        osg::ref_ptr<osg::Camera> HUD_camera;
+
+    public:
+        void toggleHUD();
+        SDDebugHUD();
+        ~SDDebugHUD();
+
+        inline osg::ref_ptr<osg::Camera> getRootCamera(){
+            return HUD_camera;
+        }
+
+};
+
+#endif //_OSGDEBUGHUD_H_

src/modules/graphic/osggraph/OsgView/OsgScreens.cpp

@@ -32,6 +32,7 @@
 SDScreens::SDScreens()
    :m_CurrentScreenIndex(0)
 {
+    debugHUD = new SDDebugHUD();
     viewer = new osgViewer::Viewer();
     viewer->setSceneData(new osg::Group());
 }
@@ -108,6 +109,8 @@ void SDScreens::Init(int x,int y, int width, int height, osg::ref_ptr<osg::Node>
         root->addChild(mirrorCam.get());
     }
 
+    root->addChild(debugHUD->getRootCamera());
+
     viewer->setSceneData(root.get());
     viewer->realize();
 }
@@ -496,6 +499,11 @@ void SDScreens::changeCamera(long p)
     }
 }
 
+void SDScreens::toggleDebugHUD(){
+    debugHUD->toggleHUD();
+}
+
+
 SDScreens::~SDScreens()
 {
     root->removeChildren(0, root->getNumChildren());
@@ -510,5 +518,6 @@ SDScreens::~SDScreens()
     //delete viewer->getSceneData();
 
     delete viewer;
+    delete debugHUD;
     viewer = NULL;
 }

src/modules/graphic/osggraph/OsgView/OsgScreens.h

@@ -24,6 +24,8 @@
 #include <vector>
 #include "OsgView.h"
 
+#include "OsgDebugHUD.h"
+
 #define SD_SPLIT_ADD	0
 #define SD_SPLIT_REM	1
 #define SD_SPLIT_ARR	2
@@ -39,6 +41,7 @@ class SDScreens
         osgViewer::Viewer* viewer;
         std::vector<SDView *> Screens;
         osg::ref_ptr<osg::Group> root;
+        SDDebugHUD * debugHUD;
 
         int m_Winx;
         int m_Winy;
@@ -64,6 +67,7 @@ class SDScreens
         void splitScreen(long p);
         void changeScreen(long p);
         void changeCamera(long p);
+        void toggleDebugHUD();
 
         inline SDView * getActiveView(){return Screens[m_CurrentScreenIndex];}