Elysian Shadows

Code: Select all

main.cpp ( includes all the header files )
variables.h ( includes SDL.h, <string> and <fstream> )
functions.h  ( includes variables.h and classTile.h )
classTimer.h ( includes SDL.h and functions.h )
classPlayer.h ( includes SDL.h, functions and classTimer
classTile.h ( includes variables or functions, ive tried both and each singularly )

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void Tile::draw()
{
	if( check_collision( camera, box ) == true )
	{
		draw_surface( box.x - camera.x, box.y - camera.y, tileSheet, screen, &clips[ type ] );
	}
}

Code: Select all

void draw_surface( int x, int y, SDL_Surface* source, SDL_Surface* destination, SDL_Rect* clip = NULL )
{
	SDL_Rect pos;
	pos.x = x;
	pos.y = y;
	
	SDL_BlitSurface( source, clip, destination, &pos );
}

Code: Select all

bool check_collision( SDL_Rect A, SDL_Rect B )
{
    //The sides of the rectangles
    int leftA, leftB;
    int rightA, rightB;
    int topA, topB;
    int bottomA, bottomB;

    //A's rect
    leftA = A.x;
    rightA = A.x + A.w;
    topA = A.y;
    bottomA = A.y + A.h;
        
    //B's rect
    leftB = B.x;
    rightB = B.x + B.w;
    topB = B.y;
    bottomB = B.y + B.h;

    //if the rects are sexually interwined
    if( bottomA <= topB )
    {
        return false;
    }
    
    if( topA >= bottomB )
    {
        return false;
    }
    
    if( rightA <= leftB )
    {
        return false;
    }
    
    if( leftA >= rightB )
    {
        return false;
    }
    
    //If none of the sides from A are outside B
    return true;
}