2 * nestedvm.c: NestedVM front end for my puzzle collection.
18 extern int _call_java(int cmd, int arg1, int arg2, int arg3);
20 void fatal(char *fmt, ...)
23 fprintf(stderr, "fatal error: ");
25 vfprintf(stderr, fmt, ap);
27 fprintf(stderr, "\n");
32 // TODO kill unneeded members!
35 struct timeval last_time;
37 int cfg_which, cfgret;
43 void get_random_seed(void **randseed, int *randseedsize)
45 struct timeval *tvp = snew(struct timeval);
46 gettimeofday(tvp, NULL);
47 *randseed = (void *)tvp;
48 *randseedsize = sizeof(struct timeval);
51 void frontend_default_colour(frontend *fe, float *output)
53 output[0] = output[1]= output[2] = 0.8f;
56 void nestedvm_status_bar(void *handle, char *text)
58 _call_java(4,0,(int)text,0);
61 void nestedvm_start_draw(void *handle)
63 frontend *fe = (frontend *)handle;
64 _call_java(4, 1, fe->ox, fe->oy);
67 void nestedvm_clip(void *handle, int x, int y, int w, int h)
69 frontend *fe = (frontend *)handle;
70 _call_java(5, w, h, 0);
71 _call_java(4, 3, x + fe->ox, y + fe->oy);
74 void nestedvm_unclip(void *handle)
76 frontend *fe = (frontend *)handle;
77 _call_java(4, 4, fe->ox, fe->oy);
80 void nestedvm_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
81 int align, int colour, char *text)
83 frontend *fe = (frontend *)handle;
84 _call_java(5, x + fe->ox, y + fe->oy,
85 (fonttype == FONT_FIXED ? 0x10 : 0x0) | align);
86 _call_java(7, fontsize, colour, (int)text);
89 void nestedvm_draw_rect(void *handle, int x, int y, int w, int h, int colour)
91 frontend *fe = (frontend *)handle;
92 _call_java(5, w, h, colour);
93 _call_java(4, 5, x + fe->ox, y + fe->oy);
96 void nestedvm_draw_line(void *handle, int x1, int y1, int x2, int y2,
99 frontend *fe = (frontend *)handle;
100 _call_java(5, x2 + fe->ox, y2 + fe->oy, colour);
101 _call_java(4, 6, x1 + fe->ox, y1 + fe->oy);
104 void nestedvm_draw_poly(void *handle, int *coords, int npoints,
105 int fillcolour, int outlinecolour)
107 frontend *fe = (frontend *)handle;
109 _call_java(4, 7, npoints, 0);
110 for (i = 0; i < npoints; i++) {
111 _call_java(6, i, coords[i*2] + fe->ox, coords[i*2+1] + fe->oy);
113 _call_java(4, 8, outlinecolour, fillcolour);
116 void nestedvm_draw_circle(void *handle, int cx, int cy, int radius,
117 int fillcolour, int outlinecolour)
119 frontend *fe = (frontend *)handle;
120 _call_java(5, cx+fe->ox, cy+fe->oy, radius);
121 _call_java(4, 9, outlinecolour, fillcolour);
125 int handle, w, h, x, y;
128 blitter *nestedvm_blitter_new(void *handle, int w, int h)
130 blitter *bl = snew(blitter);
137 void nestedvm_blitter_free(void *handle, blitter *bl)
139 if (bl->handle != -1)
140 _call_java(4, 11, bl->handle, 0);
144 void nestedvm_blitter_save(void *handle, blitter *bl, int x, int y)
146 frontend *fe = (frontend *)handle;
147 if (bl->handle == -1)
148 bl->handle = _call_java(4,10,bl->w, bl->h);
151 _call_java(8, bl->handle, x + fe->ox, y + fe->oy);
154 void nestedvm_blitter_load(void *handle, blitter *bl, int x, int y)
156 frontend *fe = (frontend *)handle;
157 assert(bl->handle != -1);
158 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
162 _call_java(9, bl->handle, x + fe->ox, y + fe->oy);
165 void nestedvm_end_draw(void *handle)
170 char *nestedvm_text_fallback(void *handle, const char *const *strings,
174 * We assume Java can cope with any UTF-8 likely to be emitted
177 return dupstr(strings[0]);
180 const struct drawing_api nestedvm_drawing = {
185 nestedvm_draw_circle,
186 NULL, // draw_update,
192 nestedvm_blitter_new,
193 nestedvm_blitter_free,
194 nestedvm_blitter_save,
195 nestedvm_blitter_load,
196 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
197 NULL, NULL, /* line_width, line_dotted */
198 nestedvm_text_fallback,
201 int jcallback_key_event(int x, int y, int keyval)
203 frontend *fe = (frontend *)_fe;
207 !midend_process_key(fe->me, x - fe->ox, y - fe->oy, keyval))
212 int jcallback_resize(int width, int height)
214 frontend *fe = (frontend *)_fe;
218 midend_size(fe->me, &x, &y, TRUE);
219 fe->ox = (width - x) / 2;
220 fe->oy = (height - y) / 2;
221 midend_force_redraw(fe->me);
225 int jcallback_timer_func()
227 frontend *fe = (frontend *)_fe;
228 if (fe->timer_active) {
231 gettimeofday(&now, NULL);
232 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
233 (now.tv_sec - fe->last_time.tv_sec));
234 midend_timer(fe->me, elapsed); /* may clear timer_active */
237 return fe->timer_active;
240 void deactivate_timer(frontend *fe)
242 if (fe->timer_active)
243 _call_java(4, 13, 0, 0);
244 fe->timer_active = FALSE;
247 void activate_timer(frontend *fe)
249 if (!fe->timer_active) {
250 _call_java(4, 12, 0, 0);
251 gettimeofday(&fe->last_time, NULL);
253 fe->timer_active = TRUE;
256 void jcallback_config_ok()
258 frontend *fe = (frontend *)_fe;
261 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
264 _call_java(2, (int) "Error", (int)err, 1);
270 void jcallback_config_set_string(int item_ptr, int char_ptr) {
271 config_item *i = (config_item *)item_ptr;
272 char* newval = (char*) char_ptr;
274 i->sval = dupstr(newval);
278 void jcallback_config_set_boolean(int item_ptr, int selected) {
279 config_item *i = (config_item *)item_ptr;
280 i->ival = selected != 0 ? TRUE : FALSE;
283 void jcallback_config_set_choice(int item_ptr, int selected) {
284 config_item *i = (config_item *)item_ptr;
288 static int get_config(frontend *fe, int which)
292 fe->cfg = midend_get_config(fe->me, which, &title);
293 fe->cfg_which = which;
295 _call_java(10, (int)title, 0, 0);
296 for (i = fe->cfg; i->type != C_END; i++) {
297 _call_java(5, (int)i, i->type, (int)i->name);
298 _call_java(11, (int)i->sval, i->ival, 0);
300 _call_java(12,0,0,0);
305 int jcallback_menu_key_event(int key)
307 frontend *fe = (frontend *)_fe;
308 if (!midend_process_key(fe->me, 0, 0, key))
313 static void resize_fe(frontend *fe)
319 midend_size(fe->me, &x, &y, FALSE);
320 _call_java(3, x, y, 0);
323 int jcallback_preset_event(int ptr_game_params)
325 frontend *fe = (frontend *)_fe;
326 game_params *params =
327 (game_params *)ptr_game_params;
329 midend_set_params(fe->me, params);
330 midend_new_game(fe->me);
332 _call_java(13, midend_which_preset(fe->me), 0, 0);
336 int jcallback_solve_event()
338 frontend *fe = (frontend *)_fe;
341 msg = midend_solve(fe->me);
344 _call_java(2, (int) "Error", (int)msg, 1);
348 int jcallback_restart_event()
350 frontend *fe = (frontend *)_fe;
352 midend_restart_game(fe->me);
356 int jcallback_config_event(int which)
358 frontend *fe = (frontend *)_fe;
359 _call_java(13, midend_which_preset(fe->me), 0, 0);
360 if (!get_config(fe, which))
362 midend_new_game(fe->me);
364 _call_java(13, midend_which_preset(fe->me), 0, 0);
368 int jcallback_about_event()
373 sprintf(titlebuf, "About %.200s", thegame.name);
376 "from Simon Tatham's Portable Puzzle Collection\n\n"
377 "%.500s", thegame.name, ver);
378 _call_java(2, (int)&titlebuf, (int)&textbuf, 0);
382 int main(int argc, char **argv)
387 _fe = snew(frontend);
388 _fe->timer_active = FALSE;
389 _fe->me = midend_new(_fe, &thegame, &nestedvm_drawing, _fe);
391 midend_game_id(_fe->me, argv[1]); /* ignore failure */
392 midend_new_game(_fe->me);
394 if ((n = midend_num_presets(_fe->me)) > 0) {
396 for (i = 0; i < n; i++) {
399 midend_fetch_preset(_fe->me, i, &name, ¶ms);
400 _call_java(1, (int)name, (int)params, 0);
404 colours = midend_colours(_fe->me, &n);
407 _call_java(0, (int)thegame.name,
408 (thegame.can_configure ? 1 : 0) |
409 (midend_wants_statusbar(_fe->me) ? 2 : 0) |
410 (thegame.can_solve ? 4 : 0), n);
411 for (i = 0; i < n; i++) {
413 (int)(colours[i*3] * 0xFF),
414 (int)(colours[i*3+1] * 0xFF),
415 (int)(colours[i*3+2] * 0xFF));
419 _call_java(13, midend_which_preset(_fe->me), 0, 0);
421 // Now pause the vm. The VM will be call()ed when
422 // an input event occurs.
425 // shut down when the VM is resumed.
426 deactivate_timer(_fe);
427 midend_free(_fe->me);