// Класс

Gamepad::Gamepad()
{
key.button=0;
key.state=GAMEPAD_RELEASE;
device=-1;
length=sizeof(input_event);
memset(&input,0,length);
}

Gamepad::~Gamepad()
{
if(device!=-1) close(device);
}

void Gamepad::read_input()
{
while (read(device,&input,length)>0)
{
if (input.type==EV_KEY)
{
key.button=input.code;
key.state=input.value;
if(key.state!=GAMEPAD_HOLDING) break;
}

}

}

void Gamepad::clear_state()
{
key.button=0;
key.state=GAMEPAD_RELEASE;
}

bool Gamepad::check_state(const GAMEPAD_BUTTONS button,const unsigned short int state)
{
bool result;
result=false;
if (key.state==state)
{
if (key.button==button) result=true;
}
return result;
}

void Gamepad::initialize()
{
device=open("/dev/event0",O_RDONLY|O_NONBLOCK|O_NOCTTY);
if (device==-1)
{
Halt("Can't get access to gamepad");
}

}

void Gamepad::update()
{
this->clear_state();
this->read_input();
}

bool Gamepad::check_hold(const GAMEPAD_BUTTONS button)
{
return this->check_state(button,GAMEPAD_HOLDING) || this->check_state(button,GAMEPAD_PRESS);
}

bool Gamepad::check_press(const GAMEPAD_BUTTONS button)
{
return this->check_state(button,GAMEPAD_PRESS);
}

bool Gamepad::check_release(const GAMEPAD_BUTTONS button)
{
return this->check_state(button,GAMEPAD_RELEASE);
}

// Демка

#include "dinguxgdk.h"

int main(void)
{
long int x,y,screen_width,screen_height;
char perfomance[8];
DINGUXGDK::Screen screen;
DINGUXGDK::Gamepad gamepad;
DINGUXGDK::Timer timer;
DINGUXGDK::Image image;
DINGUXGDK::Background space;
DINGUXGDK::Sprite ship,font;
DINGUXGDK::Text text;
screen.initialize();
screen_width=screen.get_width();
screen_height=screen.get_height();
x=screen_width/2;
y=screen_height/2;
image.load_tga("space.tga");
space.load_image(image);
image.load_tga("ship.tga");
ship.load_image(image);
image.load_tga("font.tga");
font.load_image(image);
text.load_font(font.get_handle());
gamepad.initialize();
space.initialize(screen.get_handle());
ship.initialize(screen.get_handle());
font.initialize(screen.get_handle());
space.resize_image(screen_width,screen_height);
space.set_kind(NORMAL_BACKGROUND);
screen.clear_screen();
ship.set_frames(2);
ship.set_kind(HORIZONTAL_STRIP);
text.set_position(font.get_width(),font.get_height());
timer.set_timer(1);
memset(perfomance,0,8);
while(1)
{
screen.update();
gamepad.update();
if(gamepad.check_press(BUTTON_X)==true) break;
if(gamepad.check_press(BUTTON_A)==true) ship.mirror_image(MIRROR_HORIZONTAL);
if(gamepad.check_press(BUTTON_B)==true) ship.mirror_image(MIRROR_VERTICAL);
if(gamepad.check_hold(BUTTON_UP)==true) y-=4;
if(gamepad.check_hold(BUTTON_DOWN)==true) y+=4;
if(gamepad.check_hold(BUTTON_LEFT)==true) x-=4;
if(gamepad.check_hold(BUTTON_RIGHT)==true) x+=4;
if((x<=0)||(x>=screen_width)) x=screen_width/2;
if((y<=0)||(y>=screen_height)) y=screen_height/2;
sprintf(perfomance,"%ld",screen.get_fps());
space.draw_background();
text.draw_text(perfomance);
ship.set_position(x,y);
ship.draw_sprite();
if (timer.check_timer()==true)
{
ship.step();
}

}
return 0;
}