/*
* Curses UI for slide puzzle game
- * Copyright © 2022 Nick Bowler
+ * Copyright © 2022-2023 Nick Bowler
*
* 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
*/
#include <config.h>
+#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <assert.h>
#include <curses.h>
#include "help.h"
+#include "xtra.h"
#include "version.h"
-#include "cursesopt.h"
-#include "game.h"
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#include "cursesui.h"
+#include "cursesopt.h"
enum {
GAME_YPOS = 1 // top row of game and goal areas.
};
static const char *progname = "rrace";
-static const struct option lopts[] = { LOPTS_INITIALIZER, {0} };
-enum {
- WINDOW_TILEBORDER,
- WINDOW_TILEFILL,
- WINDOW_AREA,
- WINDOW_MAX,
-};
-
-static struct app_state {
- struct board board;
-
- WINDOW *gamewin[WINDOW_MAX], *goalwin[WINDOW_MAX];
- int cursor;
-} state;
+static struct app_state state;
static void print_version(void)
{
fprintf(f, "Try %s --help for more information.\n", progname);
}
-static void print_help(void)
+static void print_help(const struct option *lopts)
{
struct lopt_help help = {0};
const struct option *opt;
static void draw_tile(WINDOW **win, unsigned colour, unsigned selected,
unsigned x, unsigned y, unsigned start_column)
{
- WINDOW *border = win[WINDOW_TILEBORDER], *fill = win[WINDOW_TILEFILL];
+ WINDOW *border = win[PLAYWIN_TILEBORDER], *fill = win[PLAYWIN_TILEFILL];
int w, h, attr, ch, bc = selected ? '#' : 0;
assert(colour < TILE_MAX);
case TILE_BLUE: ch = 'o'; attr |= A_BOLD; break;
case TILE_WHITE: ch = '.'; attr |= A_BOLD; break;
- case TILE_EMPTY: attr = A_BOLD|COLOR_PAIR(TILE_MAX);
+ case TILE_EMPTY: attr = A_BOLD|COLOR_PAIR(RR_COLOUR_SHADOW);
}
getmaxyx(border, h, w);
static int
redraw_tile(WINDOW **win, unsigned x, unsigned y, unsigned start_column,
- uint_fast32_t bit0, uint_fast32_t bit1, uint_fast32_t bit2,
- unsigned selected)
+ uint_least32_t *gp, unsigned selected)
{
- uint_fast32_t pos = board_position(x, y);
- unsigned char tile = 0;
+ unsigned tile = board_tile(gp, 5*y+x);
- if (bit0 & pos) tile |= 1;
- if (bit1 & pos) tile |= 2;
- if (bit2 & pos) tile |= 4;
assert(tile < TILE_MAX);
-
draw_tile(win, tile, selected, x, y, start_column);
return tile;
}
static void redraw_area_border(WINDOW **win, unsigned x, unsigned sz)
{
int w, h, tr = 0, rs = 0, br = 0, bs = 0, bl = 0;
- WINDOW *area = win[WINDOW_AREA];
+ WINDOW *area = win[PLAYWIN_AREA];
getmaxyx(stdscr, h, w);
static void curs_redraw_game(struct app_state *state, uint_fast32_t mask)
{
- uint_least32_t *gp = state->board.game;
+ uint_least32_t buf[3], *gp = state->board.game;
int i;
if (mask == -1)
redraw_area_border(state->gamewin, 2, 5);
+ if (state->view_goal_on_game)
+ gp = game_overlay_goal(&state->board, buf);
+
for (i = 0; i < 25; i++) {
if (mask & 1) {
redraw_tile(state->gamewin, i%5, i/5,
- 4, gp[0], gp[1], gp[2],
- i == state->cursor);
+ 4, gp, i == state->cursor);
}
mask >>= 1;
}
static void curs_redraw_goal(struct app_state *state, uint_fast32_t mask)
{
- uint_least16_t *gp = state->board.goal;
+ uint_least32_t gp[3] = {
+ state->board.goal[0],
+ state->board.goal[1],
+ state->board.goal[2]
+ };
int i, x, y;
- if (!state->goalwin[WINDOW_AREA])
+ if (!state->goalwin[PLAYWIN_AREA])
return;
- getbegyx(state->goalwin[WINDOW_AREA], y, x);
+ getbegyx(state->goalwin[PLAYWIN_AREA], y, x);
if (mask == -1)
redraw_area_border(state->goalwin, x, 3);
for (i = 0; i < 9; i++) {
if (mask & 1) {
- redraw_tile(state->goalwin, i%3, i/3,
- x+2, gp[0], gp[1], gp[2], 0);
+ redraw_tile(state->goalwin, i%3, i/3, x+2, gp, 0);
}
mask >>= 1;
}
}
+/* Thin wrapper around wresize which returns ERR if support is unavailable. */
+static int do_wresize(WINDOW *window, int h, int w)
+{
+#if HAVE_CURSES_WRESIZE
+ return wresize(window, h, w);
+#endif
+ return ERR;
+}
+
static WINDOW *realloc_area(WINDOW **orig, int h, int w, int y, int x)
{
WINDOW *win = *orig;
if (win) {
-#if HAVE_CURSES_WRESIZE
- if (wresize(win, h, w) != ERR) {
+ if (do_wresize(win, h, w) != ERR) {
mvwin(win, y, x);
return win;
}
-#endif
+
delwin(win);
}
static void realloc_tiles(WINDOW **win, int h)
{
- WINDOW *border = win[WINDOW_TILEBORDER], *fill = win[WINDOW_TILEFILL];
+ WINDOW *border = win[PLAYWIN_TILEBORDER], *fill = win[PLAYWIN_TILEFILL];
int w = 2*h - 1;
if (fill && border) {
int old_w, old_h;
-#if HAVE_CURSES_WRESIZE
- if (wresize(fill, h-2, w-2) != ERR
- && wresize(border, h, w) != ERR)
- {
+ if (do_wresize(fill, h-2, w-2) != ERR
+ && do_wresize(border, h, w) != ERR)
return;
- }
-#endif
getmaxyx(border, old_h, old_w);
if (old_h == h)
if (border)
delwin(border);
- win[WINDOW_TILEBORDER] = border = newwin(h, w, 0, 0);
- win[WINDOW_TILEFILL] = derwin(border, h-2, w-2, 1, 1);
+ win[PLAYWIN_TILEBORDER] = border = newwin(h, w, 0, 0);
+ win[PLAYWIN_TILEFILL] = derwin(border, h-2, w-2, 1, 1);
}
static void setup_mainwin(struct app_state *state)
/* Frame for game area */
w = MIN(scr_w-2, 3+10*gamesz);
h = MIN(scr_h-GAME_YPOS, 2+5*gamesz);
- realloc_area(&state->gamewin[WINDOW_AREA], h, w, GAME_YPOS, 2);
+ realloc_area(&state->gamewin[PLAYWIN_AREA], h, w, GAME_YPOS, 2);
/* Frame for goal area */
w = MIN(scr_w-split, 3+6*goalsz);
h = MIN(scr_h-GAME_YPOS, 2+3*goalsz);
- realloc_area(&state->goalwin[WINDOW_AREA], h, w, GAME_YPOS, split);
+ realloc_area(&state->goalwin[PLAYWIN_AREA], h, w, GAME_YPOS, split);
+
+ /* Status area */
+ w = MAX(0, scr_w-split-1);
+ realloc_area(&state->timer, 1, w, GAME_YPOS+h, split+1);
+
+ /* Toolbar */
+ realloc_area(&state->toolbar, 1, scr_w, scr_h-1, 0);
+ curs_draw_toolbar(state);
}
static void app_initialize(int argc, char **argv)
int enable_mouse = 1;
int opt;
+ XTRA_PACKED_LOPTS(lopts);
+
if (argc > 0)
progname = argv[0];
print_version();
exit(EXIT_SUCCESS);
case LOPT_HELP:
- print_help();
+ print_help(lopts);
exit(EXIT_SUCCESS);
default:
print_usage(stderr);
}
game_reset(&state.board);
- state.cursor = 5*state.board.y + state.board.x;
+ state.cursor = -1;
initscr();
start_color();
cbreak();
keypad(stdscr, TRUE);
if (enable_mouse) {
+ /*
+ * While we only care about a subset of these events, for
+ * some reason with ncurses failing to enable all of them
+ * causes timeout to stop working when disabled buttons are
+ * pressed (or released).
+ *
+ * It is not known if other curses have this problem; at least
+ * pdcurses does not, but the extra events should be harmless
+ * in any case.
+ */
+#if HAVE_CURSES_MOUSE_SUPPORT
+ unsigned long mask = BUTTON1_PRESSED | BUTTON1_RELEASED
+ | BUTTON2_PRESSED | BUTTON2_RELEASED
+ | BUTTON3_PRESSED | BUTTON3_RELEASED
+#ifdef BUTTON4_PRESSED
+ | BUTTON4_PRESSED | BUTTON4_RELEASED
+#endif
+#ifdef BUTTON5_PRESSED
+ | BUTTON5_PRESSED | BUTTON5_RELEASED
+#endif
+ ;
#if HAVE_CURSES_MOUSE_SET
- mouse_set(BUTTON1_PRESSED);
+ mouse_set(mask);
#elif HAVE_CURSES_MOUSEMASK
- mousemask(BUTTON1_PRESSED, NULL);
+ mousemask(mask, NULL);
#endif
#if HAVE_CURSES_MOUSEINTERVAL
mouseinterval(0);
#endif
+#endif /* HAVE_CURSES_MOUSE_SUPPORT */
}
noecho();
init_pair(TILE_GREEN, COLOR_GREEN, COLOR_BLACK);
init_pair(TILE_BLUE, COLOR_BLUE, COLOR_BLACK);
init_pair(TILE_WHITE, COLOR_WHITE, COLOR_BLACK);
- init_pair(TILE_MAX, COLOR_BLACK, COLOR_BLACK);
+ init_pair(RR_COLOUR_SHADOW, COLOR_BLACK, COLOR_BLACK);
+ init_pair(RR_COLOUR_TOOLBAR, COLOR_CYAN, COLOR_BLACK);
setup_mainwin(&state);
refresh();
}
+static void update_timer(struct app_state *state, uint_fast32_t ms)
+{
+ unsigned sec, min;
+
+ state->timer_ms = ms;
+ sec = ms / 1000; ms %= 1000;
+ min = sec / 60; sec %= 60;
+ mvwprintw(state->timer, 0, 0, "Time: %u:%.2u.%.3u",
+ min, sec, (unsigned)ms);
+ wclrtoeol(state->timer);
+ wnoutrefresh(state->timer);
+}
+
static uint_fast32_t do_move(struct app_state *state, int x, int y)
{
uint_fast32_t mask;
if ((mask = game_do_move(&state->board, x, y)) != 0) {
+ uint_fast32_t goal = game_check_goal(&state->board);
+
+ if (state->view_goal_on_game) {
+ state->view_goal_on_game = 0;
+ mask |= goal;
+ }
+
+ if (goal == 0) {
+ /* Solved! */
+ update_timer(state, game_finish(&state->board));
+ mask |= ~GOAL_MASK;
+ state->cursor = -1;
+ timeout(-1);
+ }
+
curs_redraw_game(state, mask);
- refresh();
+ doupdate();
}
return mask;
}
+static void do_reset_cursor(struct app_state *state)
+{
+ state->cursor = 5*state->board.y + state->board.x;
+}
+
+void curs_new_game(struct app_state *state)
+{
+ game_reset(&state->board);
+
+ do_reset_cursor(state);
+ state->view_goal_on_game = 0;
+ curs_redraw_game(state, -1);
+ curs_redraw_goal(state, -1);
+ update_timer(state, 0);
+ doupdate();
+
+ timeout(33);
+ game_begin(&state->board);
+}
+
#if HAVE_CURSES_MOUSE_SUPPORT
+/*
+ * Given x, y as screen coordinates, record which (if any) toolbar function
+ * label is at that position, to be performed later.
+ *
+ * If no function is indicated, returns zero. Otherwise, returns non-zero.
+ */
+static int press_toolbar(struct app_state *state, int x, int y)
+{
+ return state->toolbar_click = curs_toolbar_mouse_func(state, x, y);
+}
+
+/*
+ * Given x, y as screen coordinates, perform the toolbar action.
+ *
+ * Perform the action previously recorded by press_toolbar, if and only if
+ * the x, y screen coordinates correspond to the same function.
+ */
+static void release_toolbar(struct app_state *state, int x, int y)
+{
+ int func = curs_toolbar_mouse_func(state, x, y);
+
+ if (func && state->toolbar_click == func) {
+ curs_execute_function(state, func);
+ }
+
+ state->toolbar_click = 0;
+}
+
+/*
+ * Given x, y as screen coordinates, determine which (if any) game tile is
+ * at that position.
+ *
+ * If there is no such tile, performs no action and returns 0.
+ *
+ * Otherwise, attempts to move that tile and returns non-zero.
+ */
+static int press_tile(struct app_state *state, int x, int y)
+{
+ int game_x, game_y, tile_w, tile_h;
+ uint_fast32_t cursor_mask, move_mask;
+
+ getbegyx(state->gamewin[PLAYWIN_AREA], game_y, game_x);
+ getmaxyx(state->gamewin[PLAYWIN_TILEBORDER], tile_h, tile_w);
+ tile_w += tile_w & 1;
+
+ /* special case the left spacer column */
+ if (x == game_x+1)
+ x++;
+
+ if (x < game_x+2 || (x -= game_x+2)/5 >= tile_w)
+ return 0;
+ if (y < game_y+1 || (y -= game_y+1)/5 >= tile_h)
+ return 0;
+
+ /* OK, selected a tile. */
+ x /= tile_w;
+ y /= tile_h;
+
+ /* Disable the keyboard cursor due to mouse action */
+ cursor_mask = state->cursor < 0 ? -1 : 1ul << state->cursor;
+ state->cursor = -1;
+
+ move_mask = do_move(state, x, y);
+ if ((cursor_mask & move_mask) == 0) {
+ curs_redraw_game(state, cursor_mask);
+ doupdate();
+ }
+
+ return 1;
+}
+
static void do_mouse(struct app_state *state)
{
unsigned long bstate;
y = MOUSE_Y_POS;
bstate = 0;
- if (BUTTON_CHANGED(1)) {
- switch (BUTTON_STATUS(1)) {
- case BUTTON_RELEASED: bstate |= BUTTON1_RELEASED;
- case BUTTON_PRESSED: bstate |= BUTTON1_PRESSED;
- }
- }
+
+#define set_bstate_helper(button) do { if (BUTTON_CHANGED(button)) \
+ switch (BUTTON_STATUS(button)) { \
+ case BUTTON_RELEASED: bstate |= BUTTON ## button ## _RELEASED; break; \
+ case BUTTON_PRESSED: bstate |= BUTTON ## button ## _PRESSED; break; \
+ } \
+} while (0);
+
+ set_bstate_helper(1);
+ set_bstate_helper(3);
#endif
- if (bstate == BUTTON1_PRESSED) {
- uint_fast32_t cursor_mask, move_mask;
- int w, h;
+ if (bstate & BUTTON3_PRESSED) {
+ state->view_goal_on_game = 1;
+ curs_redraw_game(state, game_check_goal(&state->board));
+ doupdate();
+ }
- /* Determine size of the game area */
- getmaxyx(state->gamewin[WINDOW_TILEBORDER], h, w);
- w = 2*(w+1)/2;
+ if (bstate & BUTTON3_RELEASED) {
+ state->view_goal_on_game = 0;
+ curs_redraw_game(state, game_check_goal(&state->board));
+ doupdate();
+ }
- if (x < 4 || (x -= 4)/5 >= w) return;
- if (y <= GAME_YPOS || (y -= GAME_YPOS+1)/5 >= h) return;
+ /* Ignore button1 if holding button3 to view goal */
+ if (state->view_goal_on_game & 1)
+ return;
- /* Turn off the keyboard cursor when using the mouse */
- cursor_mask = state->cursor < 0 ? -1 : 1ul << state->cursor;
- state->cursor = -1;
+ if (bstate & BUTTON1_PRESSED) {
+ if (press_toolbar(state, x, y));
+ else if (press_tile(state, x, y));
+ }
- move_mask = do_move(state, x/w, y/h);
- if ((cursor_mask & move_mask) == 0) {
- curs_redraw_game(state, cursor_mask);
- refresh();
- }
+ if (bstate & BUTTON1_RELEASED) {
+ release_toolbar(state, x, y);
}
}
-#endif
+#endif /* HAVE_CURSES_MOUSE_SUPPORT */
static void do_move_cursor(struct app_state *state, int c)
{
- uint_fast32_t mask = 1ul << state->cursor;
+ uint_fast32_t mask = 0;
if (state->cursor < 0) {
- /* Reset keyboard cursor to the empty position */
- state->cursor = 5*state->board.y + state->board.x;
+ /* Cursor was hidden; reset it */
+ do_reset_cursor(state);
+ } else {
+ mask = 1ul << state->cursor;
+ }
+
+ if (state->view_goal_on_game) {
+ state->view_goal_on_game = 0;
+ mask |= game_check_goal(&state->board);
}
switch (c) {
}
curs_redraw_game(state, mask | 1ul << state->cursor);
- refresh();
+ doupdate();
}
static void do_keystroke(struct app_state *state, int c)
{
+ int last_input = state->last_input;
+ state->last_input = c;
+
switch (c) {
case KEY_DOWN: case KEY_UP: case KEY_LEFT: case KEY_RIGHT:
do_move_cursor(state, c);
break;
+ case '\t':
+ state->view_goal_on_game ^= 2u;
+ curs_redraw_game(state, game_check_goal(&state->board));
+ doupdate();
+ break;
case ' ':
- if (state->cursor >= 0)
+ if (!(state->view_goal_on_game & 1) && state->cursor >= 0)
do_move(state, state->cursor%5, state->cursor/5);
break;
}
-}
-int main(int argc, char **argv)
-{
- setlocale(LC_ALL, "");
- app_initialize(argc, argv);
+ /* ESC+# keys */
+ if (last_input == '\33' && c >= '0' && c <= '9') {
+ curs_execute_function(state, (c -= '0') == 0 ? 10 : c);
+ }
- curs_redraw_game(&state, -1);
- curs_redraw_goal(&state, -1);
- refresh();
+ /* F# keys */
+ if (c >= KEY_F(1) && c <= KEY_F(10)) {
+ curs_execute_function(state, c - KEY_F0);
+ }
+}
- while (1) {
- int c = getch();
+/* One iteration of main input loop */
+void do_mainloop(struct app_state *state)
+{
+ int c = getch();
- switch (c) {
+ switch (c) {
#ifdef KEY_RESIZE
- case KEY_RESIZE:
- setup_mainwin(&state);
- clear();
- refresh();
- curs_redraw_game(&state, -1);
- curs_redraw_goal(&state, -1);
- refresh();
- break;
+ case KEY_RESIZE:
+ setup_mainwin(state);
+ clear();
+ refresh();
+ curs_redraw_game(state, -1);
+ curs_redraw_goal(state, -1);
+ curs_draw_toolbar(state);
+ update_timer(state, state->timer_ms);
+ doupdate();
+ break;
#endif
#if HAVE_CURSES_MOUSE_SUPPORT
- case KEY_MOUSE:
- do_mouse(&state);
- break;
+ case KEY_MOUSE:
+ do_mouse(state);
+ break;
#endif
- default:
- do_keystroke(&state, c);
- }
+ default:
+ do_keystroke(state, c);
+ case ERR:;
}
+
+ if (state->board.x <= 4) {
+ update_timer(state, game_elapsed(&state->board));
+ doupdate();
+ }
+}
+
+int main(int argc, char **argv)
+{
+ setlocale(LC_ALL, "");
+ app_initialize(argc, argv);
+
+ curs_new_game(&state);
+ while (1)
+ do_mainloop(&state);
+ abort();
}
projects / rrace.git / blobdiff