#include "puzzles.h"
#include "tree234.h"
+/*
+ * The standard user interface for Net simply has left- and
+ * right-button mouse clicks in a square rotate it one way or the
+ * other. We also provide, by #ifdef, a separate interface based on
+ * rotational dragging motions. I initially developed this for the
+ * Mac on the basis that it might work better than the click
+ * interface with only one mouse button available, but in fact
+ * found it to be quite strange and unintuitive. Apparently it
+ * works better on stylus-driven platforms such as Palm and
+ * PocketPC, though, so we enable it by default there.
+ */
+#ifdef STYLUS_BASED
+#define USE_DRAGGING
+#endif
+
#define MATMUL(xr,yr,m,x,y) do { \
float rx, ry, xx = (x), yy = (y), *mat = (m); \
rx = mat[0] * xx + mat[2] * yy; \
#define PREFERRED_TILE_SIZE 32
#define TILE_SIZE (ds->tilesize)
#define TILE_BORDER 1
+#ifdef SMALL_SCREEN
+#define WINDOW_OFFSET 4
+#else
#define WINDOW_OFFSET 16
+#endif
#define ROTATE_TIME 0.13F
#define FLASH_FRAME 0.07F
struct game_state {
int width, height, wrapping, completed;
int last_rotate_x, last_rotate_y, last_rotate_dir;
- int used_solve, just_used_solve;
+ int used_solve;
unsigned char *tiles;
unsigned char *barriers;
};
{7, 7, FALSE, TRUE, 0.0},
{9, 9, FALSE, TRUE, 0.0},
{11, 11, FALSE, TRUE, 0.0},
+#ifndef SMALL_SCREEN
{13, 11, FALSE, TRUE, 0.0},
+#endif
{5, 5, TRUE, TRUE, 0.0},
{7, 7, TRUE, TRUE, 0.0},
{9, 9, TRUE, TRUE, 0.0},
{11, 11, TRUE, TRUE, 0.0},
+#ifndef SMALL_SCREEN
{13, 11, TRUE, TRUE, 0.0},
+#endif
};
static int game_fetch_preset(int i, char **name, game_params **params)
* classes) by finding the representative of each tile and
* setting equivalence[one]=the_other.
*/
- equivalence = snewn(w * h, int);
- for (i = 0; i < w*h; i++)
- equivalence[i] = i; /* initially all distinct */
+ equivalence = snew_dsf(w * h);
/*
* On a non-wrapping grid, we instantly know that all the edges
h = state->height = params->height;
state->wrapping = params->wrapping;
state->last_rotate_dir = state->last_rotate_x = state->last_rotate_y = 0;
- state->completed = state->used_solve = state->just_used_solve = FALSE;
+ state->completed = state->used_solve = FALSE;
state->tiles = snewn(state->width * state->height, unsigned char);
memset(state->tiles, 0, state->width * state->height);
state->barriers = snewn(state->width * state->height, unsigned char);
ret->wrapping = state->wrapping;
ret->completed = state->completed;
ret->used_solve = state->used_solve;
- ret->just_used_solve = state->just_used_solve;
ret->last_rotate_dir = state->last_rotate_dir;
ret->last_rotate_x = state->last_rotate_x;
ret->last_rotate_y = state->last_rotate_y;
int cur_x, cur_y;
int cur_visible;
random_state *rs; /* used for jumbling */
+#ifdef USE_DRAGGING
+ int dragtilex, dragtiley, dragstartx, dragstarty, dragged;
+#endif
};
static game_ui *new_ui(game_state *state)
if (button == LEFT_BUTTON ||
button == MIDDLE_BUTTON ||
+#ifdef USE_DRAGGING
+ button == LEFT_DRAG ||
+ button == LEFT_RELEASE ||
+ button == RIGHT_DRAG ||
+ button == RIGHT_RELEASE ||
+#endif
button == RIGHT_BUTTON) {
if (ui->cur_visible) {
y % TILE_SIZE >= TILE_SIZE - TILE_BORDER)
return nullret;
- action = button == LEFT_BUTTON ? ROTATE_LEFT :
- button == RIGHT_BUTTON ? ROTATE_RIGHT : TOGGLE_LOCK;
+#ifdef USE_DRAGGING
+
+ if (button == MIDDLE_BUTTON
+#ifdef STYLUS_BASED
+ || button == RIGHT_BUTTON /* with a stylus, `right-click' locks */
+#endif
+ ) {
+ /*
+ * Middle button never drags: it only toggles the lock.
+ */
+ action = TOGGLE_LOCK;
+ } else if (button == LEFT_BUTTON || button == RIGHT_BUTTON) {
+ /*
+ * Otherwise, we note down the start point for a drag.
+ */
+ ui->dragtilex = tx;
+ ui->dragtiley = ty;
+ ui->dragstartx = x % TILE_SIZE;
+ ui->dragstarty = y % TILE_SIZE;
+ ui->dragged = FALSE;
+ return nullret; /* no actual action */
+ } else if (button == LEFT_DRAG || button == RIGHT_DRAG) {
+ /*
+ * Find the new drag point and see if it necessitates a
+ * rotation.
+ */
+ int x0,y0, xA,yA, xC,yC, xF,yF;
+ int mx, my;
+ int d0, dA, dC, dF, dmin;
+
+ tx = ui->dragtilex;
+ ty = ui->dragtiley;
+
+ mx = x - (ui->dragtilex * TILE_SIZE);
+ my = y - (ui->dragtiley * TILE_SIZE);
+
+ x0 = ui->dragstartx;
+ y0 = ui->dragstarty;
+ xA = ui->dragstarty;
+ yA = TILE_SIZE-1 - ui->dragstartx;
+ xF = TILE_SIZE-1 - ui->dragstartx;
+ yF = TILE_SIZE-1 - ui->dragstarty;
+ xC = TILE_SIZE-1 - ui->dragstarty;
+ yC = ui->dragstartx;
+
+ d0 = (mx-x0)*(mx-x0) + (my-y0)*(my-y0);
+ dA = (mx-xA)*(mx-xA) + (my-yA)*(my-yA);
+ dF = (mx-xF)*(mx-xF) + (my-yF)*(my-yF);
+ dC = (mx-xC)*(mx-xC) + (my-yC)*(my-yC);
+
+ dmin = min(min(d0,dA),min(dF,dC));
+
+ if (d0 == dmin) {
+ return nullret;
+ } else if (dF == dmin) {
+ action = ROTATE_180;
+ ui->dragstartx = xF;
+ ui->dragstarty = yF;
+ ui->dragged = TRUE;
+ } else if (dA == dmin) {
+ action = ROTATE_LEFT;
+ ui->dragstartx = xA;
+ ui->dragstarty = yA;
+ ui->dragged = TRUE;
+ } else /* dC == dmin */ {
+ action = ROTATE_RIGHT;
+ ui->dragstartx = xC;
+ ui->dragstarty = yC;
+ ui->dragged = TRUE;
+ }
+ } else if (button == LEFT_RELEASE || button == RIGHT_RELEASE) {
+ if (!ui->dragged) {
+ /*
+ * There was a click but no perceptible drag:
+ * revert to single-click behaviour.
+ */
+ tx = ui->dragtilex;
+ ty = ui->dragtiley;
+
+ if (button == LEFT_RELEASE)
+ action = ROTATE_LEFT;
+ else
+ action = ROTATE_RIGHT;
+ } else
+ return nullret; /* no action */
+ }
+
+#else /* USE_DRAGGING */
+
+ action = (button == LEFT_BUTTON ? ROTATE_LEFT :
+ button == RIGHT_BUTTON ? ROTATE_RIGHT : TOGGLE_LOCK);
+
+#endif /* USE_DRAGGING */
+
} else if (button == CURSOR_UP || button == CURSOR_DOWN ||
button == CURSOR_RIGHT || button == CURSOR_LEFT) {
switch (button) {
int tx, ty, n, noanim, orig;
ret = dup_game(from);
- ret->just_used_solve = FALSE;
if (move[0] == 'J' || move[0] == 'S') {
if (move[0] == 'S')
- ret->just_used_solve = ret->used_solve = TRUE;
+ ret->used_solve = TRUE;
move++;
if (*move == ';')
ds->tilesize = tilesize;
}
-static float *game_colours(frontend *fe, game_state *state, int *ncolours)
+static float *game_colours(frontend *fe, int *ncolours)
{
float *ret;
int last_rotate_dir;
/*
- * Don't animate an auto-solve move.
- */
- if ((dir > 0 && newstate->just_used_solve) ||
- (dir < 0 && oldstate->just_used_solve))
- return 0.0F;
-
- /*
* Don't animate if last_rotate_dir is zero.
*/
last_rotate_dir = dir==-1 ? oldstate->last_rotate_dir :
return 0.0F;
}
-static int game_wants_statusbar(void)
-{
- return TRUE;
-}
-
static int game_timing_state(game_state *state, game_ui *ui)
{
return TRUE;
#endif
const struct game thegame = {
- "Net", "games.net",
+ "Net", "games.net", "net",
default_params,
game_fetch_preset,
decode_params,
game_anim_length,
game_flash_length,
TRUE, FALSE, game_print_size, game_print,
- game_wants_statusbar,
+ TRUE, /* wants_statusbar */
FALSE, game_timing_state,
- 0, /* mouse_priorities */
+ 0, /* flags */
};