I'm a newbie in programing
I've got this problem after I added timer on to the my program.
I can't figure out what goes wrong.
I just want to chekc if the timer can run or not.
#pragma comment(lib, "SDL.lib")
#pragma comment(lib, "SDLmain.lib")
#pragma comment(lib, "SDL_image.lib")
#include "SDL/SDL.h"
#include "SDL/SDL_image.h"
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <sstream>
//Screen attributes
const int SCREEN_WIDTH = 480;
const int SCREEN_HEIGHT = 640;
const int SCREEN_BPP = 32;
//The frames per second
const int FRAMES_PER_SECOND = 24;
//The dimenstions of the background
const int BG_WIDTH = 480;
const int BG_HEIGHT = 640;
//The length of moving area of Tony
//const int move_area_width = 423; /* 480-two block sides */
//The dimenstions of ppl
const int PPL_WIDTH = 86 ;
const int PPL_HEIGHT = 133;
//The dimenstions of Tony
const int TONY_WIDTH = 141;
const int TONY_HEIGHT = 140;
const int TONY_POS_X[3] = {28, 170, 310};
int curr_index = 0;
int tonyPosX = TONY_POS_X[curr_index];
int tonyPosY = 500;
//The surfaces
SDL_Surface *screen = NULL;
SDL_Surface *bg = NULL;
SDL_Surface *tony = NULL;
SDL_Surface *tonyClear = NULL;
//SDL_Surface *prettyGirl = NULL;
//SDK_Surface *uglyGirl = NULL;
//SDL_Surface *block = NULL;
//The event structure
SDL_Event event;
//The areas of the sprite sheet (2 frames only)
//SDL_Rect clips_hit[ 2 ];
class Tony
{
private:
//Its animation status
int status;
//The x coordinate
int offset;
public:
//Initializes the variables
Tony();
//Handles input
//void handle_events();
//Shows the stick figure
void show();
};
Tony::Tony()
{
//Initialize movement variables
offset = 0;
void handle_events();
}
//load image
SDL_Surface *load_image( std::string filename )
{
//The image that's loaded
SDL_Surface* loadedImage = NULL;
//The optimized surface that will be used
SDL_Surface* optimizedImage = NULL;
//Load the image
loadedImage = IMG_Load( filename.c_str() );
//If the image loaded
if( loadedImage != NULL )
{
//Create an optimized surface
optimizedImage = SDL_DisplayFormat( loadedImage );
//Free the old surface
SDL_FreeSurface( loadedImage );
//If the surface was optimized
if( optimizedImage != NULL )
{
//Color key surface
SDL_SetColorKey( optimizedImage, SDL_RLEACCEL | SDL_SRCCOLORKEY, SDL_MapRGB( optimizedImage->format, 0, 0xFF, 0xFF ) );
}
}
//Return the optimized surface
return optimizedImage;
}
void apply_surface( int x, int y, SDL_Surface* source, SDL_Surface* destination, SDL_Rect* clip = NULL )
{
//Holds offsets
SDL_Rect offset;
//Get offsets
offset.x = x;
offset.y = y;
//Blit
SDL_BlitSurface( source, clip, destination, &offset );
}
bool init()
{
//Initialize all SDL subsystems
if( SDL_Init( SDL_INIT_EVERYTHING ) == -1 )
{
return false;
}
//Set up the screen
screen = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE );
//If there was an error in setting up the screen
if( screen == NULL )
{
return false;
}
//Set the window caption
SDL_WM_SetCaption( "TonyGoGoGo", NULL );
//If everything initialized fine
return true;
}
bool load_files()
{
//Load the image
bg = load_image( "bg.png" );
tony = IMG_Load( "tony.png" );
tonyClear = IMG_Load( "tonyClear.png" );
//prettyGirl = IMG_Load( "prettyGirl.png" );
//uglyGirl = IMG_Load( "uglyGirl.png" );
//block = IMG_Load( "block.png" );
//If there was an error in loading the image
if( (bg == NULL) || (tony == NULL) )
{
return false;
}
//If everything loaded fine
return true;
}
void clean_up()
{
//Free the image
SDL_FreeSurface( bg );
//Quit SDL
SDL_Quit();
}
int main(int argc, char* argv[])
{
bool quit = false;
if( init() == false )
{
return 1;
}
Uint32 start = 0;
Uint32 end;
bool running = true;
//Load the files
if( load_files() == false )
{
return 1;
}
apply_surface( 0, 0, bg, screen );
//Update the screen
if( SDL_Flip( screen ) == -1 )
{
return 1;
}
do
{
start = SDL_GetTicks();
//While the user hasn't quit
while( quit == false )
{
//While there's an event to handle
while( SDL_PollEvent( &event ) )
{
//If the user has Xed out the window
if( event.type == SDL_QUIT )
{
//Quit the program
quit = true;
}
else if (event.type == SDL_KEYDOWN)
{
// Check individual key
SDLKey key = event.key.keysym.sym;
switch(key)
{
case SDLK_LEFT:
apply_surface( 28, 500, tonyClear, screen);
curr_index = 0;
apply_surface( TONY_POS_X[curr_index], tonyPosY, tony, screen );
SDL_Flip( screen );
break;
case SDLK_DOWN:
apply_surface( 28, 500, tonyClear, screen);
curr_index = 1;
apply_surface( TONY_POS_X[curr_index], tonyPosY, tony, screen );
SDL_Flip( screen );
break;
case SDLK_RIGHT:
apply_surface( 28, 500, tonyClear, screen);
curr_index = 2;
apply_surface( TONY_POS_X[curr_index], tonyPosY, tony, screen );
SDL_Flip( screen );
break;
default:
break;
}
}
}
}
end = SDL_GetTicks();
if ( end == 6000)
{
quit = true;
}
//Free the surface and quit SDL
clean_up();
return 0;
}
}
