OpenSceneGraph/examples/osgAndroidExampleGLES2/jni/OsgMainApp.hpp

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/*
* OsgMainApp.hpp
*
* Created on: 29/05/2011
* Author: Jorge Izquierdo Ciges
*/
#ifndef OSGMAINAPP_HPP_
#define OSGMAINAPP_HPP_
//Android log
#include <android/log.h>
#include <iostream>
#include <cstdlib>
#include <math.h>
//Standard libraries
#include <string>
//osg
#include <osg/GL>
#include <osg/GLExtensions>
#include <osg/Depth>
#include <osg/Program>
#include <osg/Shader>
#include <osg/Node>
#include <osg/Notify>
//osgText
#include <osgText/Text>
//osgDB
#include <osgDB/DatabasePager>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
//osg_viewer
#include <osgViewer/Viewer>
#include <osgViewer/Renderer>
#include <osgViewer/ViewerEventHandlers>
//osgGA
#include <osgGA/GUIEventAdapter>
#include <osgGA/MultiTouchTrackballManipulator>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/StateSetManipulator>
#include <osgGA/AnimationPathManipulator>
#include <osgGA/TerrainManipulator>
#include <osgGA/SphericalManipulator>
//Self headers
#include "OsgAndroidNotifyHandler.hpp"
//Static plugins Macro
USE_OSGPLUGIN(ive)
USE_OSGPLUGIN(osg)
USE_OSGPLUGIN(osg2)
USE_OSGPLUGIN(terrain)
USE_OSGPLUGIN(rgb)
USE_OSGPLUGIN(OpenFlight)
USE_OSGPLUGIN(dds)
//Static DOTOSG
USE_DOTOSGWRAPPER_LIBRARY(osg)
USE_DOTOSGWRAPPER_LIBRARY(osgFX)
USE_DOTOSGWRAPPER_LIBRARY(osgParticle)
USE_DOTOSGWRAPPER_LIBRARY(osgTerrain)
USE_DOTOSGWRAPPER_LIBRARY(osgText)
USE_DOTOSGWRAPPER_LIBRARY(osgViewer)
USE_DOTOSGWRAPPER_LIBRARY(osgVolume)
//Static serializer
USE_SERIALIZER_WRAPPER_LIBRARY(osg)
USE_SERIALIZER_WRAPPER_LIBRARY(osgAnimation)
USE_SERIALIZER_WRAPPER_LIBRARY(osgFX)
USE_SERIALIZER_WRAPPER_LIBRARY(osgManipulator)
USE_SERIALIZER_WRAPPER_LIBRARY(osgParticle)
USE_SERIALIZER_WRAPPER_LIBRARY(osgTerrain)
USE_SERIALIZER_WRAPPER_LIBRARY(osgText)
USE_SERIALIZER_WRAPPER_LIBRARY(osgVolume)
#define LOG_TAG "osgNativeLib"
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
struct Model{
std::string filename;
std::string name;
};
static const char gVertexShader[] =
"varying vec4 color; \n"
"const vec3 lightPos =vec3(0.0, 0.0, 10.0); \n"
"const vec4 cessnaColor =vec4(0.8, 0.8, 0.8, 1.0); \n"
"const vec4 lightAmbient =vec4(0.1, 0.1, 0.1, 1.0); \n"
"const vec4 lightDiffuse =vec4(0.4, 0.4, 0.4, 1.0); \n"
"const vec4 lightSpecular =vec4(0.8, 0.8, 0.8, 1.0); \n"
"void DirectionalLight(in vec3 normal, \n"
" in vec3 ecPos, \n"
" inout vec4 ambient, \n"
" inout vec4 diffuse, \n"
" inout vec4 specular) \n"
"{ \n"
" float nDotVP; \n"
" vec3 L = normalize(gl_ModelViewMatrix*vec4(lightPos, 0.0)).xyz; \n"
" nDotVP = max(0.0, dot(normal, L)); \n"
" \n"
" if (nDotVP > 0.0) { \n"
" vec3 E = normalize(-ecPos); \n"
" vec3 R = normalize(reflect( L, normal )); \n"
" specular = pow(max(dot(R, E), 0.0), 16.0) * lightSpecular; \n"
" } \n"
" ambient = lightAmbient; \n"
" diffuse = lightDiffuse * nDotVP; \n"
"} \n"
"void main() { \n"
" vec4 ambiCol = vec4(0.0); \n"
" vec4 diffCol = vec4(0.0); \n"
" vec4 specCol = vec4(0.0); \n"
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; \n"
" vec3 normal = normalize(gl_NormalMatrix * gl_Normal); \n"
" vec4 ecPos = gl_ModelViewMatrix * gl_Vertex; \n"
" DirectionalLight(normal, ecPos.xyz, ambiCol, diffCol, specCol); \n"
" color = cessnaColor * (ambiCol + diffCol + specCol); \n"
"} \n";
static const char gFragmentShader[] =
"precision mediump float; \n"
"varying mediump vec4 color; \n"
"void main() { \n"
" gl_FragColor = color; \n"
"} \n";
class OsgMainApp{
private:
osg::ref_ptr<osgViewer::Viewer> _viewer;
osg::ref_ptr<osg::Group> _root;
osg::ref_ptr<osg::StateSet> _state;
osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> _manipulator;
float _lodScale;
unsigned int _prevFrame;
bool _initialized;
bool _clean_scene;
OsgAndroidNotifyHandler *_notifyHandler;
std::vector<Model> _vModels;
std::vector<Model> _vModelsToLoad;
std::vector<Model> _vModelsToDelete;
void loadModels();
void deleteModels();
public:
OsgMainApp();
~OsgMainApp();
//Initialization function
void initOsgWindow(int x,int y,int width,int height);
//Draw
void draw();
//Events
void mouseButtonPressEvent(float x,float y,int button);
void mouseButtonReleaseEvent(float x,float y,int button);
void mouseMoveEvent(float x,float y);
void keyboardDown(int key);
void keyboardUp(int key);
//Loading and unloading
void loadObject(std::string filePath);
void loadObject(std::string name,std::string filePath);
void unLoadObject(int number);
void clearScene();
//Other functions
int getNumberObjects();
std::string getObjectName(int nunmber);
void setClearColor(osg::Vec4f color);
osg::Vec4f getClearColor();
};
#endif /* OSGMAINAPP_HPP_ */