C:/Documents and Settings/jegan/Desktop/projectX/Game.cpp

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#include "Game.h"
#include "Parser.h"
#include "List.h"
#include "Control.h"
#include "Player.h"

using namespace std;

Game::Game(int levelnum)
:_currentLevel( NULL )
{
        /*glfuncs* f = glfuncs::instance();

        _scramSurface = f->load_image("scramble.png");
        _scram = f->SDL_GL_LoadTexture(_scramSurface, _scramCoords);*/

        // Load in the level list text file
        List* levelList = Parser::parse( "levels/levellist.txt" );
        while( !levelList->empty() )
        {
                _levelList.push( levelList->firstList()->firstString() );
                levelList = levelList->rest();
        }
        // End loading level list

        for(int i=0; i<levelnum; i++)
                _levelList.pop();

        // Load the first level
        loadLevel( _levelList.front() );
}

Game::~Game()
{
        delete _currentLevel;
}

bool Game::nextLevel()
{
        _levelList.pop();
        if( _levelList.empty() )
        {
                cerr << "Error loading level: No next level" << endl;
                return false;
        }
        /*Player * oldPlayer = NULL;
        if((Player *) _currentLevel->getPlayer())
                oldPlayer =(Player *) _currentLevel->getPlayer()->copy();
        else
                oldPlayer = NULL;*/

        delete _currentLevel;
        _currentLevel = new Level();
        _currentLevel->levelLoad( _levelList.front());
        return true;
}

void Game::loadLevel( std::string filename )
{
        if(!_currentLevel)
                delete _currentLevel;
        _currentLevel = new Level();
        _currentLevel->levelLoad( filename );
}

/*
* Game main loop
* returns true if the game ended normally
* returns false if the escape key was pressed
*/
bool Game::mainLoop()
{
        SDL_Event event;
        Screen* screen = Screen::instance();
        glfuncs* f = glfuncs::instance();
        bool leave = false;
        int ticks = SDL_GetTicks();     // used to limit the frame rate
        for(;;){
                while(!leave)
                {
                        // Clear OpenGL screen
                        f->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

                        
                        //This runs if we are trying to run frames in too rapid succession
                        while((SDL_GetTicks() - ticks) < 1000/Screen::FRAMERATE)
                        {
                                //Just wait until we can do a frame again
                                Sleep(0);
                        }
                        

                        if(!_currentLevel->update())
                                return true;

                        _currentLevel->draw();

                        //reset for the next time we want to update
                        ticks = SDL_GetTicks();

                        // Draw Team Scramble logo
                        /*SDL_Rect scramRect;
                        scramRect.w = 51;
                        scramRect.h = 81;
                        scramRect.x = 5;
                        scramRect.y = screen->getScreenRect().h - 80;
                        screen->drawScreen(_scram,_scramCoords,scramRect);*/

                        Screen::drawScramble();

                        // Clean up
                        f->glFinish();
                        SDL_GL_SwapBuffers();
                        
                        // Check that escape key isn't being pressed
                        while(SDL_PollEvent(&event))
                        {
                                if(event.type == SDL_KEYDOWN){
                                        if( event.key.keysym.sym == Control::quitKey)
                                                leave = true;
                                }
                                //if user has Xed out
                                else if( event.type == SDL_QUIT )
                                {
                                        return false;
                                }
                        }
                }

                f->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
                //This runs if we are trying to run frames in too rapid succession
                while((SDL_GetTicks() - ticks) < 1000/Screen::FRAMERATE)
                {
                        //Just wait until we can do a frame again
                        Sleep(0);
                }
                ticks = SDL_GetTicks();

                Screen::drawPause();

                Screen::drawScramble();

                // Clean up
                f->glFinish();
                SDL_GL_SwapBuffers();

                //user has pressed esc.
                while(SDL_PollEvent(&event))
                {
                        if(event.type == SDL_KEYDOWN){
                                if( event.key.keysym.sym == Control::quitKey)
                                        leave = false;
                                if( event.key.keysym.sym == Control::selectKey)
                                        return false;
                        }
                                //if user has Xed out
                        else if( event.type == SDL_QUIT )
                        {
                                return false;
                        }
                }
        }
}

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