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/* The Ace of Penguins - test2.c
Copyright (C) 1998, 2001 DJ Delorie
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "table.h"
#include "cards.h"
static char *suits = "hdcs";
static char *values = "a234567890jqk";
static Picture *cards[52];
static int cx[52];
static int cy[52];
static Picture *empty;
#define W CARD_WIDTH
#define H CARD_HEIGHT
#define M CARD_MARGIN
static void
init()
{
int s, v, t;
char name[30];
int shuffle[52];
for (s=0; s<4; s++)
for (v=0; v<13; v++)
{
sprintf(name, "%c%c", values[v], suits[s]);
cards[v*4+s] = get_picture(name);
cx[v*4+s] = M+v*(M+W);
cy[v*4+s] = M+s*(M+H);
}
empty = get_picture("empty");
/* shuffle! */
srand(time(0));
for (s=0; s<52; s++)
{
v = (rand() % (52-s)) + s;
t = cx[v];
cx[v] = cx[s];
cx[s] = t;
t = cy[v];
cy[v] = cy[s];
cy[s] = t;
}
}
static void
redraw()
{
int c;
put_picture(empty, M, M, 0, 0, W, H);
for (c=0; c<52; c++)
put_picture(cards[c], cx[c], cy[c], 0, 0, W, H);
}
static int selected_card = -1;
static int offset_x, offset_y;
static int
xy2card(int x, int y)
{
int i;
for (i=51; i>=0; i--)
if (cx[i] <= x && x < cx[i]+W
&& cy[i] <= y && y < cy[i]+H)
return i;
return -1;
}
static void
click(int x, int y, int b)
{
int i;
int old_x, old_y;
Picture *c;
selected_card = xy2card(x, y);
if (selected_card == -1)
return;
c = cards[selected_card];
old_x = cx[selected_card];
old_y = cy[selected_card];
for (i=selected_card; i<51; i++)
{
cards[i] = cards[i+1];
cx[i] = cx[i+1];
cy[i] = cy[i+1];
}
cards[51] = c;
cx[51] = old_x;
cy[51] = old_y;
selected_card = 51;
put_picture(cards[selected_card],
cx[selected_card], cy[selected_card],
0, 0, W, H);
offset_x = x - cx[selected_card];
offset_y = y - cy[selected_card];
}
static void
double_click(int x, int y, int b)
{
int old_x, old_y, i;
Picture *c;
selected_card = xy2card(x, y);
if (selected_card == -1)
return;
c = cards[selected_card];
old_x = cx[selected_card];
old_y = cy[selected_card];
for (i=selected_card; i>0; i--)
{
cards[i] = cards[i-1];
cx[i] = cx[i-1];
cy[i] = cy[i-1];
}
cards[0] = c;
cx[0] = old_x;
cy[0] = old_y;
selected_card = 0;
invalidate(cx[0], cy[0], W, H);
}
static void
drag(int x, int y, int b)
{
int old_x, old_y;
if (selected_card == -1)
return;
old_x = cx[selected_card];
old_y = cy[selected_card];
cx[selected_card] = x - offset_x;
cy[selected_card] = y - offset_y;
invalidate_exposure(old_x, old_y, W, H,
cx[selected_card], cy[selected_card], W, H);
if (selected_card == 51)
put_picture(cards[selected_card], cx[selected_card], cy[selected_card], 0, 0, W, H);
else
invalidate_nc(cx[selected_card], cy[selected_card], W, H);
}
static void
drop(int x, int y, int b)
{
if (selected_card == -1)
return;
snap_to_grid(&x, &y,
M+W, M+H,
M+offset_x, M+offset_y,
15);
drag(x, y, b);
selected_card = -1;
}
static void
key(int k, int x, int y)
{
if (k == 3 || k == 27 || k == 'q')
exit(0);
}
static FunctionMapping fmap[] = {
{ "click", (void *)click },
{ "double_click", (void *)double_click },
{ "drag", (void *)drag },
{ "drop", (void *)drop },
{ "init", (void *)init },
{ "key", (void *)key },
{ "redraw", (void *)redraw },
{ 0, 0 }
};
int
main(int argc, char **argv)
{
init_ace(argc, argv, fmap);
init_table(13*W+14*M, 5*H+6*M);
table_loop();
}
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