/*Allegro 4.2.2 Syntax*/
// https://phoxis.org/2009/02/13/allegro-422/
// Dostêp: 2017-10-29
#include <stdio.h>
#include <allegro.h>

#define RED makecol(255,0,0)
#define GREEN makecol(0,255,0)
#define BLUE makecol(0,0,255)
#define BLACK makecol(0,0,0)
#define WHITE makecol(255,255,255)
#define RADIUS 10
#define MOVE_DISTANCE 20

int main(void)
{

allegro_init();
install_keyboard();
install_mouse();
install_timer();

allegro_message("This is the first allegro program (Press OK)");
set_color_depth(8);
if(set_gfx_mode(GFX_AUTODETECT_WINDOWED,800,600,0,0))
{
    allegro_message(allegro_error);
    exit(0);
}

int width = SCREEN_W/2;
int heigth = SCREEN_H/2;

textprintf(screen,font,10,10,WHITE,"Screen Resolution %dx%d",SCREEN_W,SCREEN_H);
rect(screen,20,20,300,130,GREEN);
putpixel(screen,SCREEN_W/2,SCREEN_H/2,RED);
line(screen,300,300,200,200,GREEN);
triangle(screen,500,500,500,550,300,550,BLUE);

show_mouse(screen);

while(!key[KEY_ESC])
{
textprintf(screen,font,30,30,RED,"Mouse Pos x:y=%3d:%3d",mouse_x,mouse_y);
textprintf(screen,font,30,50,BLUE,"Mouse Scroll Pos: %3d",mouse_z);
textprintf(screen,font,30,70,GREEN,"Mouse Left Button Pressed:%3s",((mouse_b&1)?"Yes":"No"));
textprintf(screen,font,30,90,GREEN,"Mouse Right Button Pressed:%3s",((mouse_b&2)?"Yes":"No"));
textprintf(screen,font,30,110,GREEN,"Mouse Middle Button Pressed:%3s",((mouse_b&4)?"Yes":"No"));
textprintf(screen,font,30,200,GREEN,"Raw Mouse :%d",mouse_b);

circle(screen,width,heigth,RADIUS,WHITE);

if (mouse_x > width) {
	width += RADIUS;
} else if (mouse_x < width) {
	width -= RADIUS;

if (mouse_y > heigth) {
	heigth += RADIUS:
} else if (mouse_y < heigth) {
    heigth -= RADIUS;
}

if (width < 0) {
	width = RADIUS;
} else if (width > SCREEN_W) {
    width = SCREEN_W - RADIUS;
}

if (heigth < 0) {
    heigth = RADIUS:
} else if (heigth > SCREEN_H) {
	heigth = SCREEN_H - RADIUS;
}

rest(5);
}

allegro_exit();
return 0;
}
END_OF_MAIN();