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Added support for multiple levels, and exit on lose of all lives or on finishng

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the highest level.
This commit is contained in:
Robert Osfield
2005-05-21 21:19:11 +00:00
parent 3d4e2fa4f3
commit a76e9c83c4
1 changed files with 101 additions and 38 deletions
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139
examples/osgcatch/osgcatch.cpp
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@@ -52,7 +52,10 @@ public:
void reset();
void resetCatches();
bool addCatch();
bool looseLife();
osg::Vec3 getCurrentCenterOfBasket() const { return _character->getPosition()+_centerBasket; }
@@ -221,6 +224,12 @@ void Character::reset()
_catchSwitch->setAllChildrenOff();
}
void Character::resetCatches()
{
_numCatches = 0;
_catchSwitch->setAllChildrenOff();
}
bool Character::addCatch()
{
if (!_catchSwitch || _numCatches>=_catchSwitch->getNumChildren()) return false;
@@ -233,12 +242,12 @@ bool Character::addCatch()
bool Character::looseLife()
{
if (!_livesSwitch || _numLives==0) return true;
if (!_livesSwitch || _numLives==0) return false;
--_numLives;
_livesSwitch->setValue(_numLives,false);
return (_numLives==0);
return (_numLives!=0);
}
@@ -504,9 +513,27 @@ public:
void setFOVY(float fovy) { _fovy = fovy; }
float getFOVY() const { return _fovy; }
void setBackground(const std::string& background) { _backgroundImageFile = background; }
void createNewCatchable();
void resetLevel()
{
_level = 0;
_levelSwitch->setSingleChildOn(_level);
}
void nextLevel()
{
++_level;
if (_level < _levelSwitch->getNumChildren())
{
_levelSwitch->setSingleChildOn(_level);
}
}
bool gameComplete()
{
return _level >= _levelSwitch->getNumChildren();
}
enum Players
{
@@ -573,10 +600,14 @@ protected:
float _characterSize;
float _fovy;
std::string _backgroundImageFile;
unsigned _level;
float _chanceOfExplodingAtStart;
float _initialNumDropsPerSecond;
osg::ref_ptr<osg::Group> _group;
osg::ref_ptr<osg::Switch> _levelSwitch;
unsigned int _numberOfPlayers;
Character _players[2];
@@ -588,7 +619,8 @@ protected:
FileList _benignCatachables;
bool _leftKeyPressed;
bool _rightKeyPressed;
bool _rightKeyPressed;
};
@@ -604,17 +636,19 @@ GameEventHandler::GameEventHandler()
_originBaseLine = _origin+_width*0.5-_widthBaseLine*0.5f;
_characterSize = _width.length()*0.2f;
_backgroundImageFile = "Catch/farm.JPG";
_numberOfPlayers = 0;
_level = 0;
_chanceOfExplodingAtStart = 0.1f;
_initialNumDropsPerSecond = 1.0f;
_leftKeyPressed=false;
_rightKeyPressed=false;
_backgroundFiles.push_back("Catch/farm.JPG");
_backgroundFiles.push_back("Catch/sky1.JPG");
_backgroundFiles.push_back("Catch/sky2.JPG");
_backgroundFiles.push_back("Catch/sky3.JPG");
_backgroundFiles.push_back("Catch/farm.JPG");
_benignCatachables.push_back("Catch/a.png");
_benignCatachables.push_back("Catch/b.png");
@@ -668,7 +702,11 @@ bool GameEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionA
{
if ((*itr)->anyInside(_players[i].getLowerLeft(),_players[i].getUpperRight()))
{
_players[i].looseLife();
if (!_players[i].looseLife())
{
std::cout<<"Ouch you lost all your lives, Game Over!!"<<std::endl;
exit(0);
}
removeEntry = true;
}
}
@@ -676,7 +714,18 @@ bool GameEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionA
{
if ((*itr)->centerInside(_players[i].getCurrentCenterOfBasket(),_players[i].getCurrentRadiusOfBasket()))
{
_players[i].addCatch();
if (!_players[i].addCatch())
{
_players[i].resetCatches();
nextLevel();
if (gameComplete())
{
std::cout<<"Congratulations you've completed the game!!"<<std::endl;
exit(0);
}
}
removeEntry = true;
}
}
@@ -700,8 +749,6 @@ bool GameEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionA
// remove child from catchable list
itr = _catchableObjects.erase(itr);
createNewCatchable();
}
else if ((*itr)->anyInside(_origin, _origin+_width) && !(*itr)->stopped())
{
@@ -712,7 +759,22 @@ bool GameEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionA
}
}
// create new catchable objects
static double previousTime = ea.time();
double deltaTime = ea.time()-previousTime;
previousTime = ea.time();
float numDropsPerSecond = _initialNumDropsPerSecond * (_level+1);
float r = (float)rand()/(float)RAND_MAX;
if (r < deltaTime*numDropsPerSecond)
{
createNewCatchable();
}
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
@@ -794,26 +856,30 @@ osg::Node* GameEventHandler::createScene()
_group->addChild(_players[i]._catchSwitch.get());
}
createNewCatchable();
createNewCatchable();
createNewCatchable();
createNewCatchable();
// background
{
osg::Image* image = osgDB::readImageFile(_backgroundImageFile);
if (image)
_levelSwitch = new osg::Switch;
for(FileList::const_iterator itr = _backgroundFiles.begin();
itr != _backgroundFiles.end();
++itr)
{
osg::Geometry* geometry = osg::createTexturedQuadGeometry(_origin,_width,_height);
osg::StateSet* stateset = geometry->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0,new osg::Texture2D(image),osg::StateAttribute::ON);
osg::Geode* geode = new osg::Geode;
geode->addDrawable(geometry);
_group->addChild(geode);
osg::Image* image = osgDB::readImageFile(*itr);
if (image)
{
osg::Geometry* geometry = osg::createTexturedQuadGeometry(_origin,_width,_height);
osg::StateSet* stateset = geometry->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0,new osg::Texture2D(image),osg::StateAttribute::ON);
osg::Geode* geode = new osg::Geode;
geode->addDrawable(geometry);
_levelSwitch->addChild(geode);
}
}
_levelSwitch->setSingleChildOn(0);
_group->addChild(_levelSwitch.get());
}
return _group.get();
@@ -840,7 +906,11 @@ void GameEventHandler::createNewCatchable()
catchableObject->setObject(filename,"boy",position,size,velocity);
_catchableObjects.push_back(catchableObject);
// catchableObject->explode();
float r = (float)rand() / (float)RAND_MAX;
if (r < _chanceOfExplodingAtStart)
{
catchableObject->explode();
}
_group->addChild(catchableObject->_object.get());
}
@@ -871,13 +941,6 @@ int main( int argc, char **argv )
GameEventHandler* seh = new GameEventHandler();
viewer.getEventHandlerList().push_front(seh);
std::string filename;
if (arguments.read("-b",filename))
{
seh->setBackground(filename);
}
while (arguments.read("--boy")) seh->addPlayer(GameEventHandler::PLAYER_BOY);
while (arguments.read("--girl")) seh->addPlayer(GameEventHandler::PLAYER_GIRL);