sfree(params);
}
-static game_params *dup_params(game_params *params)
+static game_params *dup_params(const game_params *params)
{
game_params *ret = snew(game_params);
*ret = *params; /* structure copy */
}
}
-static char *encode_params(game_params *params, int full)
+static char *encode_params(const game_params *params, int full)
{
char data[256];
return dupstr(data);
}
-static config_item *game_configure(game_params *params)
+static config_item *game_configure(const game_params *params)
{
config_item *ret;
char buf[80];
return ret;
}
-static game_params *custom_params(config_item *cfg)
+static game_params *custom_params(const config_item *cfg)
{
game_params *ret = snew(game_params);
return ret;
}
-static char *validate_params(game_params *params, int full)
+static char *validate_params(const game_params *params, int full)
{
if (params->w < 2 || params->h < 2)
return "Width and height must both be at least two";
return ret;
}
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params, random_state *rs,
char **aux, int interactive)
{
int stop, n, i, x;
}
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, const char *desc)
{
- char *p, *err;
+ const char *p;
+ char *err;
int i, area;
int *used;
used[i] = FALSE;
for (i = 0; i < area; i++) {
- char *q = p;
+ const char *q = p;
int n;
if (*p < '0' || *p > '9') {
return err;
}
-static game_state *new_game(midend *me, game_params *params, char *desc)
+static game_state *new_game(midend *me, const game_params *params,
+ const char *desc)
{
game_state *state = snew(game_state);
int i;
- char *p;
+ const char *p;
state->w = params->w;
state->h = params->h;
return state;
}
-static game_state *dup_game(game_state *state)
+static game_state *dup_game(const game_state *state)
{
game_state *ret = snew(game_state);
sfree(state);
}
-static char *solve_game(game_state *state, game_state *currstate,
- char *aux, char **error)
+static char *solve_game(const game_state *state, const game_state *currstate,
+ const char *aux, char **error)
{
return dupstr("S");
}
-static int game_can_format_as_text_now(game_params *params)
+static int game_can_format_as_text_now(const game_params *params)
{
return TRUE;
}
-static char *game_text_format(game_state *state)
+static char *game_text_format(const game_state *state)
{
char *ret, *p, buf[80];
int x, y, col, maxlen;
return ret;
}
-static game_ui *new_ui(game_state *state)
+struct game_ui {
+ int cur_x, cur_y;
+ int cur_visible;
+};
+
+static game_ui *new_ui(const game_state *state)
{
- return NULL;
+ game_ui *ui = snew(game_ui);
+ ui->cur_x = 0;
+ ui->cur_y = -1;
+ ui->cur_visible = FALSE;
+
+ return ui;
}
static void free_ui(game_ui *ui)
{
+ sfree(ui);
}
-static char *encode_ui(game_ui *ui)
+static char *encode_ui(const game_ui *ui)
{
return NULL;
}
-static void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, const char *encoding)
{
}
-static void game_changed_state(game_ui *ui, game_state *oldstate,
- game_state *newstate)
+static void game_changed_state(game_ui *ui, const game_state *oldstate,
+ const game_state *newstate)
{
}
int w, h, bgcolour;
int *tiles;
int tilesize;
+ int cur_x, cur_y;
};
-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
- int x, int y, int button)
+static char *interpret_move(const game_state *state, game_ui *ui,
+ const game_drawstate *ds,
+ int x, int y, int button)
{
- int cx, cy, dx, dy;
+ int cx = -1, cy = -1, dx, dy;
char buf[80];
button &= ~MOD_MASK;
- if (button != LEFT_BUTTON && button != RIGHT_BUTTON)
- return NULL;
- cx = FROMCOORD(x);
- cy = FROMCOORD(y);
+ if (IS_CURSOR_MOVE(button)) {
+ /* right/down rotates cursor clockwise,
+ * left/up rotates anticlockwise. */
+ int cpos, diff;
+ cpos = c2pos(state->w, state->h, ui->cur_x, ui->cur_y);
+ diff = c2diff(state->w, state->h, ui->cur_x, ui->cur_y, button);
+
+ cpos += diff;
+ pos2c(state->w, state->h, cpos, &ui->cur_x, &ui->cur_y);
+
+ ui->cur_visible = 1;
+ return "";
+ }
+
+ if (button == LEFT_BUTTON || button == RIGHT_BUTTON) {
+ cx = FROMCOORD(x);
+ cy = FROMCOORD(y);
+ ui->cur_visible = 0;
+ } else if (IS_CURSOR_SELECT(button)) {
+ if (ui->cur_visible) {
+ cx = ui->cur_x;
+ cy = ui->cur_y;
+ } else {
+ ui->cur_visible = 1;
+ return "";
+ }
+ } else {
+ return NULL;
+ }
+
if (cx == -1 && cy >= 0 && cy < state->h)
dx = -1, dy = 0;
else if (cx == state->w && cy >= 0 && cy < state->h)
else if (cy == state->h && cx >= 0 && cx < state->w)
dy = +1, dx = 0;
else
- return NULL; /* invalid click location */
+ return ""; /* invalid click location */
/* reverse direction if right hand button is pressed */
- if (button == RIGHT_BUTTON) {
+ if (button == RIGHT_BUTTON || button == CURSOR_SELECT2) {
dx = -dx;
dy = -dy;
}
return dupstr(buf);
}
-static game_state *execute_move(game_state *from, char *move)
+static game_state *execute_move(const game_state *from, const char *move)
{
int cx, cy, dx, dy;
int tx, ty, n;
* Drawing routines.
*/
-static void game_compute_size(game_params *params, int tilesize,
- int *x, int *y)
+static void game_compute_size(const game_params *params, int tilesize,
+ int *x, int *y)
{
/* Ick: fake up `ds->tilesize' for macro expansion purposes */
struct { int tilesize; } ads, *ds = &ads;
}
static void game_set_size(drawing *dr, game_drawstate *ds,
- game_params *params, int tilesize)
+ const game_params *params, int tilesize)
{
ds->tilesize = tilesize;
}
return ret;
}
-static game_drawstate *game_new_drawstate(drawing *dr, game_state *state)
+static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
{
struct game_drawstate *ds = snew(struct game_drawstate);
int i;
ds->tilesize = 0; /* haven't decided yet */
for (i = 0; i < ds->w*ds->h; i++)
ds->tiles[i] = -1;
+ ds->cur_x = ds->cur_y = -1;
return ds;
}
}
static void draw_tile(drawing *dr, game_drawstate *ds,
- game_state *state, int x, int y,
+ const game_state *state, int x, int y,
int tile, int flash_colour)
{
if (tile == 0) {
}
static void draw_arrow(drawing *dr, game_drawstate *ds,
- int x, int y, int xdx, int xdy)
+ int x, int y, int xdx, int xdy, int cur)
{
int coords[14];
int ydy = -xdx, ydx = xdy;
POINT(5, 3 * TILE_SIZE / 8, TILE_SIZE / 2); /* left concave */
POINT(6, TILE_SIZE / 4, TILE_SIZE / 2); /* left corner */
- draw_polygon(dr, coords, 7, COL_LOWLIGHT, COL_TEXT);
+ draw_polygon(dr, coords, 7, cur ? COL_HIGHLIGHT : COL_LOWLIGHT, COL_TEXT);
}
-static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
- game_state *state, int dir, game_ui *ui,
- float animtime, float flashtime)
+static void draw_arrow_for_cursor(drawing *dr, game_drawstate *ds,
+ int cur_x, int cur_y, int cur)
+{
+ if (cur_x == -1 && cur_y == -1)
+ return; /* 'no cursur here */
+ else if (cur_x == -1) /* LH column. */
+ draw_arrow(dr, ds, COORD(0), COORD(cur_y+1), 0, -1, cur);
+ else if (cur_x == ds->w) /* RH column */
+ draw_arrow(dr, ds, COORD(ds->w), COORD(cur_y), 0, +1, cur);
+ else if (cur_y == -1) /* Top row */
+ draw_arrow(dr, ds, COORD(cur_x), COORD(0), +1, 0, cur);
+ else if (cur_y == ds->h) /* Bottom row */
+ draw_arrow(dr, ds, COORD(cur_x+1), COORD(ds->h), -1, 0, cur);
+ else
+ assert(!"Invalid cursor position");
+
+ draw_update(dr, COORD(cur_x), COORD(cur_y),
+ TILE_SIZE, TILE_SIZE);
+}
+
+static void game_redraw(drawing *dr, game_drawstate *ds,
+ const game_state *oldstate, const game_state *state,
+ int dir, const game_ui *ui,
+ float animtime, float flashtime)
{
int i, bgcolour;
+ int cur_x = -1, cur_y = -1;
if (flashtime > 0) {
int frame = (int)(flashtime / FLASH_FRAME);
* Arrows for making moves.
*/
for (i = 0; i < state->w; i++) {
- draw_arrow(dr, ds, COORD(i), COORD(0), +1, 0);
- draw_arrow(dr, ds, COORD(i+1), COORD(state->h), -1, 0);
+ draw_arrow(dr, ds, COORD(i), COORD(0), +1, 0, 0);
+ draw_arrow(dr, ds, COORD(i+1), COORD(state->h), -1, 0, 0);
}
for (i = 0; i < state->h; i++) {
- draw_arrow(dr, ds, COORD(state->w), COORD(i), 0, +1);
- draw_arrow(dr, ds, COORD(0), COORD(i+1), 0, -1);
+ draw_arrow(dr, ds, COORD(state->w), COORD(i), 0, +1, 0);
+ draw_arrow(dr, ds, COORD(0), COORD(i+1), 0, -1, 0);
}
ds->started = TRUE;
}
+ /*
+ * Cursor (highlighted arrow around edge)
+ */
+ if (ui->cur_visible) {
+ cur_x = ui->cur_x; cur_y = ui->cur_y;
+ }
+ if (cur_x != ds->cur_x || cur_y != ds->cur_y) {
+ /* Cursor has changed; redraw two (prev and curr) arrows. */
+ draw_arrow_for_cursor(dr, ds, cur_x, cur_y, 1);
+ draw_arrow_for_cursor(dr, ds, ds->cur_x, ds->cur_y, 0);
+ ds->cur_x = cur_x; ds->cur_y = cur_y;
+ }
/*
* Now draw each tile.
}
}
-static float game_anim_length(game_state *oldstate,
- game_state *newstate, int dir, game_ui *ui)
+static float game_anim_length(const game_state *oldstate,
+ const game_state *newstate, int dir, game_ui *ui)
{
return ANIM_TIME;
}
-static float game_flash_length(game_state *oldstate,
- game_state *newstate, int dir, game_ui *ui)
+static float game_flash_length(const game_state *oldstate,
+ const game_state *newstate, int dir, game_ui *ui)
{
if (!oldstate->completed && newstate->completed &&
!oldstate->used_solve && !newstate->used_solve)
return 0.0F;
}
-static int game_timing_state(game_state *state, game_ui *ui)
+static int game_status(const game_state *state)
+{
+ return state->completed ? +1 : 0;
+}
+
+static int game_timing_state(const game_state *state, game_ui *ui)
{
return TRUE;
}
-static void game_print_size(game_params *params, float *x, float *y)
+static void game_print_size(const game_params *params, float *x, float *y)
{
}
-static void game_print(drawing *dr, game_state *state, int tilesize)
+static void game_print(drawing *dr, const game_state *state, int tilesize)
{
}
game_redraw,
game_anim_length,
game_flash_length,
+ game_status,
FALSE, FALSE, game_print_size, game_print,
TRUE, /* wants_statusbar */
FALSE, game_timing_state,
0, /* flags */
};
+
+/* vim: set shiftwidth=4 tabstop=8: */
~ian / sgt-puzzles.git / blobdiff