Witam, mam problem ze skompilowaniem kodu prostej gry na Sdl, może ktoś mnie naprowadzić na przyczynę tych błędów?
Z góry dzięki.
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Z tego widać że mylisz obiekty ze wskaźnikiem na obiekty oraz nie umiesz poprawnie dołączyć plików nagłówkowych.
Jak chcesz więcej informacji to zgłoś się na forum wróżbitów lub podaj kod.
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paddle.h
#include <SDL.h>
#ifndef PADDLE_H
#define PADDLE_H
class paddle{
SDL_Rect box;
SDL_Surface* image;
int yvel;
int point;
public:
paddle(SDL_Surface* img,int x,int y,int w,int h,int yVel);
~paddle();
SDL_Rect* getRect();
void moveUp();
void moveDown();
void show();
void incpoint();
void setBack(int x,int y,int w,int h,int yVel);
int getPoints();
};
#endif
paddle.cpp
#include "paddle.h"
paddle::paddle(SDL_Surface* img,int x,int y,int w,int h,int yVel)
{
box.x=x;
box.y=y;
box.w=w;
box.h=h;
image=img;
yvel=yVel;
point=0;
}
paddle::~paddle()
{
SDL_FreeSurface(image);
}
void paddle::moveUp()
{
if(box.y>0)
box.y-=yvel;
}
void paddle::moveDown()
{
if(box.y+box.h<SDL_GetVideoSurface()->clip_rect.h)
box.y+=yvel;
}
void paddle::show()
{
SDL_BlitSurface(image,NULL,SDL_GetVideoSurface(),&box);
}
SDL_Rect* paddle::getRect()
{
return &box;
}
void paddle::incpoint()
{
point++;
}
void paddle::setBack(int x,int y,int w,int h,int yVel)
{
box.x=x;
box.y=y;
box.w=w;
box.h=h;
yvel=yVel;
}
int paddle::getPoints()
{
return point;
}
ball.h
#include <SDL.h>
#include <SDL_mixer.h>
#ifndef BALL_H
#define BALL_H
class ball{
int xvel,yvel;
SDL_Surface* image;
SDL_Rect box;
bool collision(SDL_Rect* rec1,SDL_Rect* rec2);
public:
ball(SDL_Surface* img,int x,int y,int w,int h,int xVel,int yVel);
~ball();
void show();
void move(SDL_Rect* player1,SDL_Rect* player2,Mix_Chunk*);
int isOut();
void setBack(int x,int y,int w,int h,int xVel,int yVel);
};
#endif
ball.cpp
#include "ball.h"
ball::ball(SDL_Surface* img,int x,int y,int w,int h,int xVel,int yVel)
{
image=img;
box.x=x;
box.y=y;
box.w=w;
box.h=h;
xvel=xVel;
yvel=yVel;
}
ball::~ball()
{
SDL_FreeSurface(image);
}
void ball::show()
{
SDL_BlitSurface(image,NULL,SDL_GetVideoSurface(),&box);
}
void ball::move(SDL_Rect* player1,SDL_Rect* player2,Mix_Chunk* effect)
{
box.x+=xvel;
box.y+=yvel;
if(box.y<=0)
yvel=-yvel;
if(box.y+box.h>=SDL_GetVideoSurface()->clip_rect.h)
yvel=-yvel;
if(collision(&box,player1))
{
Mix_PlayChannel(-1,effect,0);
if(box.x+3<player1->x+player1->w)
yvel=-yvel;
else
xvel=-xvel;
}
if(collision(&box,player2))
{
Mix_PlayChannel(-1,effect,0);
if(box.x+box.w-3 > player2->x)
yvel=-yvel;
else
xvel=-xvel;
}
}
bool ball::collision(SDL_Rect* rec1,SDL_Rect* rec2)
{
if(rec1->y >= rec2->y + rec2->h)
return 0;
if(rec1->x >= rec2->x + rec2->w)
return 0;
if(rec1->y + rec1->h <= rec2->y)
return 0;
if(rec1->x + rec1->w <= rec2->x)
return 0;
return 1;
}
int ball::isOut()
{
if(box.x<=0)
return 1;
if(box.x>=SDL_GetVideoSurface()->clip_rect.w)
return 2;
return 0;
}
void ball::setBack(int x,int y,int w,int h,int xVel,int yVel)
{
box.x=x;
box.y=y;
box.w=w;
box.h=h;
xvel=xVel;
yvel=yVel;
}
main.cpp
#include <SDL.h>
#include <iostream>
#include <SDL_ttf.h>
#include <SDL_mixer.h>
#include "ball.h"
#include "paddle.h"
SDL_Surface* load_image(const char* c,Uint32 colorkey=0)
{
SDL_Surface* tmp=SDL_LoadBMP(c);
if(colorkey!=0)
{
SDL_SetColorKey(tmp,SDL_SRCCOLORKEY,colorkey);
}
return tmp;
}
int main(int argc,char* argv[])
{
SDL_Surface* screen,*icon;
const int width=640;
const int FPS=30;
const int height=480;
screen=SDL_SetVideoMode(width,height,32,SDL_SWSURFACE);
icon=load_image("icon.bmp");
SDL_WM_SetIcon(icon,NULL);
SDL_WM_SetCaption("Pong game",NULL);
TTF_Font* font;
TTF_Init();
Mix_OpenAudio(22050,MIX_DEFAULT_FORMAT,2,4096);
Mix_Music* music;
Mix_Chunk* effect;
music=Mix_LoadMUS("Hackbeat.wav");
effect=Mix_LoadWAV("bassdrum1.wav");
Mix_PlayMusic(music,-1);
font=TTF_OpenFont("air.ttf",20);
SDL_Color color = {0,0,0};
SDL_Event event;
Uint32 start;
bool running=true;
bool arr[4] = {0,0,0,0};
paddle player1(load_image("paddle.bmp"),0,225,10,50,3);
paddle player2(load_image("paddle.bmp"),width-10,225,10,50,3);
ball ball1(load_image("ball.bmp",SDL_MapRGB(screen->format,0x00,0xff,0xff)),320,240,20,20,3,3);
while(running)
{
start=SDL_GetTicks();
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_QUIT:
running=false;
break;
case SDL_KEYDOWN:
switch(event.key.keysym.sym)
{
case SDLK_UP:
arr[0]=1;
break;
case SDLK_DOWN:
arr[1]=1;
break;
case SDLK_w:
arr[2]=1;
break;
case SDLK_s:
arr[3]=1;
break;
}
break;
case SDL_KEYUP:
switch(event.key.keysym.sym)
{
case SDLK_UP:
arr[0]=0;
break;
case SDLK_DOWN:
arr[1]=0;
break;
case SDLK_w:
arr[2]=0;
break;
case SDLK_s:
arr[3]=0;
break;
}
break;
}
}
if(arr[0])
player2.moveUp();
else if(arr[1])
player2.moveDown();
if(arr[2])
player1.moveUp();
else if(arr[3])
player1.moveDown();
ball1.move(player1.getRect(),player2.getRect(),effect);
switch(ball1.isOut())
{
case 1:
player2.incpoint();
player1.setBack(0,225,10,50,3);
player2.setBack(width-10,225,10,50,3);
ball1.setBack(320,240,20,20,3,3);
break;
case 2:
player1.incpoint();
player1.setBack(0,225,10,50,3);
player2.setBack(width-10,225,10,50,3);
ball1.setBack(320,240,20,20,3,3);
break;
}
SDL_FillRect(screen,&screen->clip_rect,SDL_MapRGB(screen->format,0xff,0xff,0xff));
player1.show();
player2.show();
ball1.show();
char c[5];
SDL_Rect tmp = {10,0};
sprintf(c,"%d",player1.getPoints());
SDL_Surface* text=TTF_RenderText_Solid(font,c,color);
SDL_BlitSurface(text,NULL,screen,&tmp);
tmp.x=width-40;
sprintf(c,"%d",player2.getPoints());
text=TTF_RenderText_Solid(font,c,color);
SDL_BlitSurface(text,NULL,screen,&tmp);
SDL_FreeSurface(text);
SDL_Flip(screen);
if(1000/FPS>(SDL_GetTicks()-start))
SDL_Delay(1000/FPS-(SDL_GetTicks()-start));
}
SDL_FreeSurface(icon);
Mix_FreeMusic(music);
Mix_FreeChunk(effect);
Mix_CloseAudio();
TTF_CloseFont(font);
TTF_Quit();
SDL_Quit();
}