[kub] / kub.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <gtk/gtk.h>
#include <librsvg/rsvg.h>
#include <librsvg/rsvg-cairo.h>

/*
 *   TILE_NUMBER_X_OFFSET = 3
 * //
 * || TILE_NUMBER_WIDTH = 34
 * ||/   /
 * ||   |  TILE_WIDTH = 40
 * ||   | /
 * |     |
 * +-----+ - TILE_NUMBER_Y_OFFSET = 3   -
 * |+---+| -                            |
 * ||   ||                              |
 * ||   ||   TILE_NUMBER_HEIGHT = 24    |
 * |+---+| -                            |
 * |  _  | _                            |-TILE_HEIGHT = 50
 * | / \ |                              |
 * ||   ||   TILE_SUN_HEIGHT = 20       |
 * | \_/ | _                            |
 * |     |   TILE_SUN_Y_OFFSET = 3      |
 * +-----+ -                            -
 * ||   | TILE_SUN_WIDTH = 20
 * ||
 * || TILE_SUN_X_OFFSET = 10
 */
#define TILE_WIDTH              40
#define TILE_HEIGHT             50

#define TILE_NUMBER_X_OFFSET    3
#define TILE_NUMBER_Y_OFFSET    3
#define TILE_NUMBER_WIDTH       34
#define TILE_NUMBER_HEIGHT      24

#define TILE_SUN_X_OFFSET       10
#define TILE_SUN_Y_OFFSET       3
#define TILE_SUN_WIDTH          20
#define TILE_SUN_HEIGHT         20

#define FATAL_ERROR(msg)                                                \
    do { fprintf (stderr, "Error: %s\n", msg); exit (1); } while (0)

char *colors[] = {"Black", "Blue", "Red", "Yellow"};

typedef enum {BLACK, BLUE, RED, YELLOW} color_t;

typedef struct tile {
    color_t color;
    int number;
    int x;
    int y;
    int selected;
    int owned;
} tile_t;

#define DECK_MAX_TILES 104

typedef struct deck {
    tile_t tiles[DECK_MAX_TILES];
    int num_tiles;
} deck_t;

#define TILE_GROUP_MAX_TILES DECK_MAX_TILES

typedef struct tile_group {
    tile_t tiles[TILE_GROUP_MAX_TILES];
    int num_tiles;
} tile_group_t;

#define BOARD_MAX_TILE_GROUPS (DECK_MAX_TILES / 3)

typedef struct board {
    tile_group_t groups[BOARD_MAX_TILE_GROUPS];
    int num_groups;
} board_t;

typedef struct player {
    tile_group_t hand;
} player_t;

typedef struct selection_box {
    int x1, x2, y1, y2, visible;
} selection_box_t;

#define GAME_MAX_PLAYERS 4
#define GAME_WINDOW_DEFAULT_WIDTH  800
#define GAME_WINDOW_DEFAULT_HEIGHT 600

typedef struct state {
    player_t players[GAME_MAX_PLAYERS];
    board_t board;
    deck_t deck;
} state_t;

typedef struct game {
    player_t players[GAME_MAX_PLAYERS];
    int num_players;
    board_t board;
    deck_t deck;
    selection_box_t selection_box;
    state_t state;
    RsvgHandle *blanktile;
    RsvgHandle *selectedtile;
    RsvgHandle *ownedtile;

    int current_player;
    tile_t *current_tile;
//    int current_tile;
    int select_mode;
    int drag_group_mode;
    int diff_x, diff_y;
    int click_x, click_y;
    int release_x, release_y;    /*Currently unused*/
} game_t;

static void selection_box_init(selection_box_t *box)
{
    box->x1 = 0;
    box->x2 = 0;
    box->y1 = 0;
    box->y2 = 0;
    box->visible = 0;
}

static void selection_box_draw(selection_box_t *box, cairo_t *cr)
{
    cairo_rectangle (cr, box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1);
    cairo_set_source_rgba(cr, 0.0, 0.1, 0.2, 0.5);
    cairo_fill (cr);
}

static void tile_init (tile_t *tile, color_t color, int number)
{
    tile->color = color;
    tile->number = number;
    tile->x = 0;
    tile->y = 0;
    tile->selected = 0;
    tile->owned = 0;
}

static void tile_set_x_y (tile_t *tile, int x, int y)
{
    tile->x = x;
    tile->y = y;
}

static void tile_print(tile_t tile)
{
    printf("%6s %2d\n", colors[tile.color], tile.number + 1);
}

static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr, GdkRegion *region)
{
    char number_string[3];
    int len;
    GdkRectangle rectangle;

    rectangle.x = tile->x - 1;
    rectangle.y = tile->y - 1;
    rectangle.width = TILE_WIDTH + 2;
    rectangle.height = TILE_HEIGHT + 2;
    if (gdk_region_rect_in (region, &rectangle) == GDK_OVERLAP_RECTANGLE_OUT)
        return;

    len = snprintf (number_string, 3, "%d", tile->number + 1);
    if (len < 0 || len >= 3)
        FATAL_ERROR ("snprintf failed");

    cairo_save(cr);
    cairo_translate(cr, tile->x, tile->y);

    if (tile->selected)
        rsvg_handle_render_cairo (game->selectedtile, cr);
    if (tile->owned)
        rsvg_handle_render_cairo (game->ownedtile, cr); 
    else
        rsvg_handle_render_cairo (game->blanktile, cr);

    if (tile->color == BLACK)
        cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
    if (tile->color == BLUE)
        cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
    if (tile->color == RED)
        cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
    if (tile->color == YELLOW)
        cairo_set_source_rgb (cr, 1.0, .843, 0.0);
    if (tile->number + 1 > 9)
        cairo_move_to (cr, 1, 25);
    else
        cairo_move_to (cr, 10, 25);
    cairo_set_font_size(cr, 25);
    cairo_show_text (cr, number_string);

    cairo_restore(cr);
}

static void tile_group_init(tile_group_t *tile_group)
{
    tile_group->num_tiles = 0;
}

static void board_init(board_t *board)
{
    int i;
    board->num_groups = 0;

    for (i = 0; i <= BOARD_MAX_TILE_GROUPS; ++i)
    {
        tile_group_init(&board->groups[i]);
    }
}

static void player_init(player_t *player)
{
    tile_group_init(&player->hand);
}


/* If tile_one < tile_two, then return value will be negative
   if they are equal, 0 will be returned,
   if tile_one > tile_two, then return value will be positive */
static int tile_compare(const void *one, const void *two)
{
    const tile_t *tile_one = one;
    const tile_t *tile_two = two;
    return tile_one->number - tile_two->number;
}

static int tile_compare_1(tile_t *tile_one, tile_t *tile_two)
{
    return tile_one->number - tile_two->number;
}

/*
static int tile_in_box(game_t *game, tile_t *tile)
{

}
*/

static int tile_group_is_run_one(tile_group_t *tile_group)
{
    int i;
    qsort (&tile_group->tiles[0], tile_group->num_tiles,
           sizeof (tile_t), tile_compare);

    if (tile_group->num_tiles > 13 || tile_group->num_tiles < 3)
    {
        printf("fail run - invalid num tiles; ");
        return 0;
    }
    for (i = 0; i < tile_group->num_tiles - 1; ++i)
    {
        if(tile_group->tiles[i].color != tile_group->tiles[i + 1].color)
        {
            printf("fail run - colors don't match; ");
            return 0;
        }
        if( tile_group->tiles[i].number != tile_group->tiles[i + 1].number -1 &&
            i+1 != tile_group->num_tiles)
        {
            printf("fail run - invalid number sequence; ");
            return 0;
        }
    }
    return 1;
}


static int tile_group_is_run_two(tile_group_t *tile_group)
{
    int i;
    int lowest = 14, highest = 0;
    color_t run_color;

    /* By definition, a run must have at least 3 tiles. Also, it's
     * impossible for any group of tiles with more than 13 tiles to be
     * a run, (there are only 13 unique numbers so a group with more
     * than 13 tiles must have some duplicates).
     */
    if (tile_group->num_tiles < 3 || tile_group->num_tiles > 13)
    {
        return 0;
    }

    /* Loop through all tiles in the group, ensuring that they are all
     * the same color and finding the highest and lowest number in the
     * group. */
    run_color = tile_group->tiles[0].color;

    for (i = 0; i < tile_group->num_tiles; i++)
    {
        if (tile_group->tiles[i].color != run_color)
            return 0;
        if (tile_group->tiles[i].number > highest)
        {
            highest = tile_group->tiles[i].number;
        }
        if (tile_group->tiles[i].number < lowest)
        {
            lowest = tile_group->tiles[i].number;
        }
    }

    /* For a run, the difference between the highest and lowest tiles
     * will always be one less than the number of tiles in the
     * group. If not then we know it's not a run.
     */
    if (highest - lowest != tile_group->num_tiles - 1)
    {
        return 0;
    }

    /* XXX: There's a bug here. We're guessing that at this point
     * anything we're looking at must be a run. This would be correct
     * if there were no duplicate tiles, but since there are
     * duplicates this us quite broken. For example consider two
     * sequences of entirely red tiles:
     *
     * This is a run:   1, 2, 3, 4
     * But this is not: 1, 3, 4, 4
     *
     * As currently written, this function will consider both of these
     * groups to be a run. One possible fix is to throw away the
     * highest - lowest heuristic and instead simply sort the tiles up
     * front and ensure the difference between each adjacent pair is
     * exactly 1.
     */
    return 1;
}

static int tile_group_is_set(tile_group_t *tile_group)
{
    int i;
    color_t seen_color[4];
    for (i = 0; i < 4; i++)
        seen_color[i] = 0;

    if (tile_group->num_tiles > 4 || tile_group->num_tiles < 3)
    {
        printf("fail set - invalid num tiles; ");
        return 0;
    }
    for (i = 0; i <= tile_group->num_tiles - 1; ++i)
    {
        if (tile_group->tiles[i].number != tile_group->tiles[i + 1].number &&
            i+1 != tile_group->num_tiles)
        {
            printf("fail set - numbers don't match; ");
            return 0;
        }
        seen_color[tile_group->tiles[i].color] += 1;
    }
    for (i = 0; i < 4; i++)
    {
        if (seen_color[i] > 1)
        {
            printf("fail set - repeat color; ");
            return 0;
        }
    }
    return 1;
}

static void deck_deal(game_t *game, deck_t *deck)
{
    tile_t temp;
    int rand_tile;
    int i, j, newline;

    printf ("How many players(1-4) should I deal in? ");
    game->num_players = getchar();
    if (game->num_players == EOF)
    {
        printf ("\nGoodbye.\n");
        exit (1);
    }
    newline = getchar();
    game->num_players -= '0';

    for (i = 0; i < game->num_players; ++i)
    {
        for (j = 0; j < 14; ++j)
        {
            rand_tile = ((deck->num_tiles + 1.0) * rand()) / (RAND_MAX + 1.0);
            temp = deck->tiles[rand_tile];
            deck->tiles[rand_tile] = deck->tiles[deck->num_tiles - 1];
            game->players[i].hand.tiles[j] = temp;
            game->players[i].hand.tiles[j].owned = 1;
            deck->num_tiles -= 1;
            game->players[i].hand.num_tiles += 1;
        }
    }
    printf ("Game dealt for %d player(s)\n", game->num_players);
}

static void deck_init(deck_t *deck)
{
    int h, i, j;
    deck->num_tiles = 0;
    for (h = 0; h <= 1; ++h)
    {
        for (i = 0; i <= 3; ++i)
        {
            for (j = 0; j <= 12; ++j)
            {
                tile_init (&deck->tiles[deck->num_tiles++], i, j);
                printf ("There are %d tiles in the deck\n", deck->num_tiles);
            }
        }
    }
}

static void deck_shuffle(deck_t *deck)
{
    tile_t temp;
    int rand_tile;
    int last;
    for (last = deck->num_tiles; last > 0; --last)
    {
        rand_tile = ((last + 1.0) * rand()) / (RAND_MAX + 1.0);
        temp = deck->tiles[rand_tile];
        deck->tiles[rand_tile] = deck->tiles[last - 1];
        deck->tiles[last - 1] = temp;
    }
}

static void deck_print(deck_t *deck)
{
    int h, i, j;
    for (h = 0; h < 2; ++h)
    {
        for (i = 0; i < 4; ++i)
        {
            for (j = 0; j < 13; ++j)
            {
                tile_print(deck->tiles[j + (i * 13) + (h * 52)]);
            }
        }
    }
    printf ("There are %d tiles in the deck\n" , deck->num_tiles);
}

static void deck_spread(deck_t *deck)
{
    int i, j;
    for (i = 0; i < 8; i++)
    {
        for (j = 0; j < 13; j++)
        {
            deck->tiles[j + (i * 13)].x = j * 50;
            deck->tiles[j + (i * 13)].y = i * 60;
        }
    }
}

static void deck_draw(game_t *game, cairo_t *cr, GdkRegion *region)
{
    int i;
    for (i = 0; i < game->deck.num_tiles; i++)
    {
        tile_draw(game, &game->deck.tiles[i], cr, region);
    }
}

static void hand_print(game_t *game, int player)
{
    int i;
    for (i = 0; i < game->players[player].hand.num_tiles; i++)
    {
        tile_print(game->players[player].hand.tiles[i]);
    }
}

static void hand_draw(game_t *game, int player, cairo_t *cr, GdkRegion *region, GtkWidget *widget)
{
    int i;
    int window_width = widget->allocation.width;
//    int window_width = GAME_WINDOW_DEFAULT_WIDTH;
    int window_height = widget->allocation.height;
//    int window_height = GAME_WINDOW_DEFAULT_HEIGHT;
    for (i = 0; i < game->players[player].hand.num_tiles; i++)
    {
        tile_set_x_y(&game->players[player].hand.tiles[i],
                     ((window_width / game->players[player].hand.num_tiles)) * i,
                     (window_height - TILE_HEIGHT - 6) );
    }
    for (i = 0; i < game->players[player].hand.num_tiles; i++)
    {
        tile_draw(game, &game->players[player].hand.tiles[i], cr, region);
    }
}

static void save_state(game_t *game)
{
    //DO STUFF HERE
    game->state.board = game->board;
    game->state.deck = game->deck;
    //game->state.players = game->players;
}

static void restore_state(game_t *game)
{
    game->board = game->state.board;
    game->deck = game->state.deck;
    //game->players = game->state.players;
}

static void game_init(game_t *game)
{
    int i;
    GError *error = NULL;

    game->num_players = 0;

    for (i = 0; i < GAME_MAX_PLAYERS; ++i)
    {
        player_init(&game->players[i]);
        game->num_players += 1;
    }
    game->current_player = 0;
    
    selection_box_init(&game->selection_box);
    board_init(&game->board);
    deck_init(&game->deck);
    deck_shuffle(&game->deck);

    game->selectedtile = rsvg_handle_new_from_file ("tiles/selected_tile.svg", &error);
    if (error)
        FATAL_ERROR (error->message);

    game->ownedtile = rsvg_handle_new_from_file ("tiles/owned_tile.svg", &error);
    if (error)
        FATAL_ERROR (error->message);

    game->blanktile = rsvg_handle_new_from_file ("tiles/blank_tile.svg", &error);
    if (error)
        FATAL_ERROR (error->message);

//    game->current_tile = game->deck.num_tiles - 1;
    game->current_tile = &game->deck.tiles[0];
    game->select_mode = 1;
    game->drag_group_mode = 0;

    game->diff_x = game->diff_y = 0;
}

static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, game_t *game)
{
    cairo_t *cr;

    cr = gdk_cairo_create (widget->window);

    deck_draw(game, cr, event->region);

    if (game->selection_box.visible)
        selection_box_draw(&game->selection_box, cr);

    hand_draw(game, game->current_player, cr, event->region, widget);
//    hand_draw(game, 0, cr, event->region);

    cairo_destroy (cr);

    return TRUE;
}

static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
{
    cairo_t *cr;

    cr = gdk_cairo_create (widget->window);

    printf ("You pressed key %d\n", event->keyval);

    if (event->keyval == 65293)         //HIT ENTER
    {
        save_state(game);
        printf ("\tEnd of player %d's turn\n", game->current_player + 1);
        if (game->current_player == game->num_players - 1)
            game->current_player = 0;
        else
            game->current_player += 1;
        gtk_widget_queue_draw(widget);
    }

    if (event->keyval == 65307)         //HIT ESCAPE
    {
        restore_state(game);
        printf ("\tChanges Reverted\n");
        gtk_widget_queue_draw(widget);
    }

    if (event->keyval == 112)           //HIT "P"
    {
        deck_print(&game->deck);
        //hand_draw(game, game->current_player, cr, event->region, widget);
        //on_expose_event(widget, event, game);
    }


    if (event->keyval == 65505 || event->keyval == 65506)
        game->drag_group_mode = 1;

    return TRUE;
}

static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
{
    int i, tile_x, tile_y;
    tile_t *curr_tile;
    player_t *curr_player = &game->players[0];

    /*Handle tiles in player's hand */
    for (i = 0; i < curr_player->hand.num_tiles; i++)
    {
        curr_tile = &curr_player->hand.tiles[i];
        if (curr_tile->selected)
        {
            curr_tile->selected = 0;
            gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
        }
        tile_x = curr_player->hand.tiles[i].x;
        tile_y = curr_player->hand.tiles[i].y;
        if (event->x >= tile_x && event->x <= (tile_x + TILE_WIDTH) &&
            event->y >= tile_y && event->y <= (tile_y + TILE_HEIGHT) )
        {
            game->select_mode = 0;

            game->current_tile = curr_tile;

            if (!curr_tile->selected)
                curr_tile->selected = 1;
            else
                curr_tile->selected = 0;
            gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);

            game->diff_x = event->x - tile_x;
            game->diff_y = event->y - tile_y;
        }
    }

    /*Handle tiles in deck */
    for (i = 0; i < game->deck.num_tiles; i++)
    {
        curr_tile = &game->deck.tiles[i];
        if (curr_tile->selected)
        {
            curr_tile->selected = 0;
            gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
        }

        tile_x = game->deck.tiles[i].x;
        tile_y = game->deck.tiles[i].y;
        if (event->x >= tile_x && event->x <= (tile_x + TILE_WIDTH) &&
            event->y >= tile_y && event->y <= (tile_y + TILE_HEIGHT) )
        {
            game->select_mode = 0;
 
//          game->current_tile = i;
            game->current_tile = curr_tile;

//delete_this?      curr_tile = &game->deck.tiles[game->current_tile];
            if (!curr_tile->selected)
                curr_tile->selected = 1;
            else
                curr_tile->selected = 0;
            gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);

            game->diff_x = event->x - tile_x;
            game->diff_y = event->y - tile_y;
        }
    }
    if (game->select_mode)
    {
//      game->deck.tiles[game->current_tile].selected = 0;
        game->current_tile->selected = 0;
        gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);

        game->selection_box.visible = 1;
        /*These next two lines appear to be dead
        game->click_x = event->x;
        game->click_y = event->y;*/

        game->selection_box.x1 = event->x;
        game->selection_box.x2 = event->x;
        game->selection_box.y1 = event->y;
        game->selection_box.y2 = event->y;
    }
    return TRUE;
}

static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
{
    if (game->select_mode)
    {
        game->select_mode = 0;
        selection_box_t *box;
        box = &game->selection_box;

        int x_min = MIN(box->x1, box->x2);
        int x_max = MAX(box->x1, box->x2);
        int y_min = MIN(box->y1, box->y2);
        int y_max = MAX(box->y1, box->y2);
        int width = abs(box->x2 - box->x1);
        int height = abs(box->y2 - box->y1);

        box->visible = 0;       
        gtk_widget_queue_draw_area (widget, x_min, y_min, width, height);

//      tile_group_t group;
//      group.num_tiles = 0;

        tile_t* group[TILE_GROUP_MAX_TILES];
        int num_tiles = 0;

        int i, tile_x, tile_y, tile_x2, tile_y2;
        for (i = 0; i < game->deck.num_tiles; i++)
        {
            tile_x = game->deck.tiles[i].x;
            tile_y = game->deck.tiles[i].y;
            tile_x2 = tile_x + TILE_WIDTH;
            tile_y2 = tile_y + TILE_HEIGHT;
            if (/*If top-left corner*/
                (tile_x >= x_min && tile_x <= x_max &&
                 tile_y >= y_min && tile_y <= y_max) ||
                /*or bottom-right corner*/
                (tile_x2 >= x_min && tile_x2 <= x_max &&
                 tile_y2 >= y_min && tile_y2 <= y_max) ||
                /*or bottom-left corner*/
                (tile_x >= x_min && tile_x <= x_max &&
                 tile_y2 >= y_min && tile_y2 <= y_max) ||
                /*or top-right corner*/
                (tile_x2 >= x_min && tile_x2 <= x_max &&
                 tile_y >= y_min && tile_y <= y_max) ||
                /*or left edge*/
                (y_min >= tile_y && y_min <= tile_y2 &&
                 x_min <= tile_x && x_max >= tile_x) ||
                /*or top edge*/
                (x_min >= tile_x && x_min <= tile_x2 &&
                 y_min <= tile_y && y_max >= tile_y) ||
                /*or right edge*/
                (y_min >= tile_y && y_min <= tile_y2 &&
                 x_min >= tile_x && x_min <= tile_x2) ||
                /*or bottom edge of tile selected*/
                (x_min >= tile_x && x_min <= tile_x2 &&
                 y_min >= tile_y && y_min <= tile_y) )
            {           
//              group.tiles[group.num_tiles] = game->deck.tiles[i];
//              group.num_tiles++;

                group[num_tiles] = &game->deck.tiles[i];
                num_tiles++;
            }
        }
        //printf("is run %d\n", tile_group_is_run_one(&group) );
        //printf("is set %d\n", tile_group_is_set(&group) );

//      int matching_y = y_min;
        
//      for (i = 0; i < group.num_tiles; i++)

        for (i = 0; i < num_tiles; i++)
        {
//          tile_print(group.tiles[i]);
            gtk_widget_queue_draw_area (widget, group[i]->x - 1 , group[i]->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
            group[i]->x = x_min + (i * (TILE_WIDTH));
            group[i]->y = y_min;
            gtk_widget_queue_draw_area (widget, group[i]->x - 1 , group[i]->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
        }    
/*      int j;
        int new_x = 0;
        for (i = 0; i < group.num_tiles; i++)
        {
            for (j = 0; j < game->deck.num_tiles; j++)
            {
                if (group.tiles[i].x == game->deck.tiles[j].x &&
                    group.tiles[i].y == game->deck.tiles[j].y)
                {
                    new_x = x_min + (i * (TILE_WIDTH));
                    gtk_widget_queue_draw_area (widget, game->deck.tiles[j].x - 1 , game->deck.tiles[j].y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
                    game->deck.tiles[j].x = new_x;
                    game->deck.tiles[j].y = matching_y;
                    gtk_widget_queue_draw_area (widget, new_x - 1 , matching_y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
                }
            }
        }*/
    }    
    game->select_mode = 1;

    return TRUE;
}

static gboolean on_button_motion_event (GtkWidget *widget, GdkEventMotion *event,
                                        game_t *game, cairo_t *cr)
{
    if (game->select_mode)
    {
        selection_box_t *box;
        box = &game->selection_box;
        box->visible = 1;

        int x_min = MIN(box->x1, box->x2);
        int x_max = MAX(box->x1, box->x2);
        int y_min = MIN(box->y1, box->y2);
        int y_max = MAX(box->y1, box->y2);
        int width = abs(box->x2 - box->x1);
        int height = abs(box->y2 - box->y1);

        gtk_widget_queue_draw_area ( widget,  x_min, y_min, width, height );

        box->x2 = event->x;
        box->y2 = event->y;

        gtk_widget_queue_draw_area ( widget, MIN(box->x1, box->x2), MIN(box->y1, box->y2), abs(box->x2 - box->x1), abs(box->y2 - box->y1) );

        int i, tile_x, tile_y, tile_x2, tile_y2;
        tile_t *curr_tile;
        for (i = 0; i < game->deck.num_tiles; i++)
        {
            curr_tile = &game->deck.tiles[i];

            tile_x = game->deck.tiles[i].x;
            tile_y = game->deck.tiles[i].y;
            tile_x2 = tile_x + TILE_WIDTH;
            tile_y2 = tile_y + TILE_HEIGHT;
            if (/*If top-left corner*/
                (tile_x >= x_min && tile_x <= x_max &&
                 tile_y >= y_min && tile_y <= y_max) ||
                /*or bottom-right corner*/
                (tile_x2 >= x_min && tile_x2 <= x_max &&
                 tile_y2 >= y_min && tile_y2 <= y_max) ||
                /*or bottom-left corner*/
                (tile_x >= x_min && tile_x <= x_max &&
                 tile_y2 >= y_min && tile_y2 <= y_max) ||
                /*or top-right corner*/
                (tile_x2 >= x_min && tile_x2 <= x_max &&
                 tile_y >= y_min && tile_y <= y_max) ||
                /*or left edge*/
                (y_min >= tile_y && y_min <= tile_y2 &&
                 x_min <= tile_x && x_max >= tile_x) ||
                /*or top edge*/
                (x_min >= tile_x && x_min <= tile_x2 &&
                 y_min <= tile_y && y_max >= tile_y) ||
                /*or right edge*/
                (y_min >= tile_y && y_min <= tile_y2 &&
                 x_min >= tile_x && x_min <= tile_x2) ||
                /*or bottom edge of tile selected*/
                (x_min >= tile_x && x_min <= tile_x2 &&
                 y_min >= tile_y && y_min <= tile_y) )
            {
                curr_tile->selected = 1;
                gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
            }

            else
            {
                if (curr_tile->selected)
                {
                    curr_tile->selected = 0;
                    gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
                }
            }
        }
    }
    else
    {
        if (game->drag_group_mode)
        {

        }

        tile_t *tile;
//      tile = &game->deck.tiles[game->current_tile];
        tile = game->current_tile;

        /* First, invalidate the region where the tile currently is. */
        gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);

    /* Then, move the tile */
        tile->x = event->x - game->diff_x;
        tile->y = event->y - game->diff_y;

    /* Finally, invalidate the region where the tile is now. */
        gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
    }
    return TRUE;
}

int main(int argc, char *argv[])
{
    GtkWidget *window;
    game_t game;

    srand(time(NULL));

    gtk_init (&argc, &argv);

    game_init(&game);
    deck_print(&game.deck);
    deck_spread(&game.deck);
    deck_deal(&game, &game.deck);
    //hand_print(&game, 0); //With Zero being passed, will print hand for player 1(players[0])
    //deck_print(&game.deck);

    /* Create a new window */
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_default_size (GTK_WINDOW (window),
                                 GAME_WINDOW_DEFAULT_WIDTH,
                                 GAME_WINDOW_DEFAULT_HEIGHT);

    gtk_widget_set_events (window,
                           GDK_EXPOSURE_MASK |
                           GDK_KEY_PRESS_MASK |
                           GDK_BUTTON_MOTION_MASK |
                           GDK_BUTTON_PRESS_MASK |
                           GDK_BUTTON_RELEASE_MASK);

    g_signal_connect (G_OBJECT (window), "delete_event",
                      G_CALLBACK (gtk_main_quit), NULL);
    g_signal_connect (G_OBJECT (window), "expose_event",
                      G_CALLBACK (on_expose_event), &game);
    g_signal_connect (G_OBJECT (window), "key_press_event",
                      G_CALLBACK (on_key_press_event), &game);
    g_signal_connect (G_OBJECT (window), "button_press_event",
                      G_CALLBACK (on_button_press_event), &game);
    g_signal_connect (G_OBJECT (window), "button_release_event",
                      G_CALLBACK (on_button_release_event), &game);
    g_signal_connect (G_OBJECT (window), "motion_notify_event",
                      G_CALLBACK (on_button_motion_event), &game);


    gtk_widget_show_all (window);
    gtk_main ();

    return 0;

}