Rev 1566 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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1518 | dunkaist | 1 | ;;===Level_mode================================================================================================================ |
2 | |||
3 | Level_begin: |
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4 | |||
1566 | dunkaist | 5 | call Load_level |
1522 | dunkaist | 6 | call Get_eat |
1677 | dunkaist | 7 | mcall 66,1,1 ; set scan codes mode for keyboard |
1522 | dunkaist | 8 | |
1518 | dunkaist | 9 | Level_body: |
10 | ;;===Level_body======================================================================================================== |
||
11 | |||
1566 | dunkaist | 12 | call Hide_cursor |
1518 | dunkaist | 13 | mcall 26, 9 |
14 | mov [time_before_waiting], eax |
||
15 | mov eax, [time_wait_limit] |
||
16 | mov [time_to_wait], eax |
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17 | |||
1522 | dunkaist | 18 | .redraw: |
1677 | dunkaist | 19 | call Set_geometry |
1518 | dunkaist | 20 | mcall 12,1 |
1522 | dunkaist | 21 | mcall 0, , ,[window_style], ,window_title |
1518 | dunkaist | 22 | |
23 | call Draw_decorations |
||
1566 | dunkaist | 24 | call Draw_stones |
1518 | dunkaist | 25 | call Draw_snake |
26 | call Draw_eat |
||
27 | call Draw_level_strings |
||
28 | |||
29 | mcall 12,2 |
||
30 | |||
1522 | dunkaist | 31 | .still: |
1518 | dunkaist | 32 | mcall 26, 9 |
33 | push eax |
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34 | sub eax, [time_before_waiting] |
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35 | pop [time_before_waiting] |
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36 | cmp [time_to_wait], eax |
||
37 | jg @f |
||
38 | cmp [action], 0 |
||
39 | jne Game_step |
||
40 | @@: |
||
41 | sub [time_to_wait], eax |
||
42 | mcall 23, [time_to_wait] ; |
||
43 | |||
44 | test al, al |
||
45 | jnz @f |
||
46 | cmp [action], 0 |
||
47 | jne Game_step |
||
48 | mcall 26, 9 |
||
49 | mov [time_before_waiting], eax |
||
50 | mov eax, [time_wait_limit] |
||
51 | mov [time_to_wait], eax |
||
1522 | dunkaist | 52 | jmp .still |
1518 | dunkaist | 53 | @@: |
54 | |||
1522 | dunkaist | 55 | .message: ; ok, what an event? |
1518 | dunkaist | 56 | dec al ; has the window been moved or resized? |
1522 | dunkaist | 57 | jz .redraw ; |
1518 | dunkaist | 58 | dec al ; was a key pressed? |
1522 | dunkaist | 59 | jz .key ; |
1518 | dunkaist | 60 | dec al ; was a button pressed? |
1522 | dunkaist | 61 | jz .button ; |
1518 | dunkaist | 62 | |
63 | |||
1566 | dunkaist | 64 | .button: ; процедура обрабоки кнопок в программе |
65 | mcall 17 ; функция 17: получить номер нажатой кнопки |
||
66 | |||
67 | shr eax, 8 ; сдвигаем регистр eax на 8 бит вправо, чтобы получить номер нажатой кнопки |
||
68 | cmp eax, 1 |
||
1677 | dunkaist | 69 | je Save_do_smth_else_and_exit |
1566 | dunkaist | 70 | |
71 | jmp .still |
||
72 | |||
73 | |||
1522 | dunkaist | 74 | .key: |
1518 | dunkaist | 75 | mcall 2 ; get keycode |
1677 | dunkaist | 76 | |
77 | ;pushf |
||
78 | ;pusha |
||
79 | ;movzx eax, ah |
||
80 | ;dph eax |
||
81 | ;newline |
||
82 | ;popa |
||
83 | ;popf |
||
84 | |||
85 | cmp ah, 0x01 ; Escape |
||
1518 | dunkaist | 86 | je First_menu |
1677 | dunkaist | 87 | cmp ah, 0x39 ; Space |
1518 | dunkaist | 88 | je Pause_mode |
1677 | dunkaist | 89 | cmp ah, 0x4B ; Left |
1522 | dunkaist | 90 | je .key.left |
1677 | dunkaist | 91 | cmp ah, [shortcut_move_left] ; Left |
92 | je .key.left |
||
93 | cmp ah, 0x50 ; Down |
||
1522 | dunkaist | 94 | je .key.down |
1677 | dunkaist | 95 | cmp ah, [shortcut_move_down] ; Down |
96 | je .key.down |
||
97 | cmp ah, 0x48 ; Up |
||
1522 | dunkaist | 98 | je .key.up |
1677 | dunkaist | 99 | cmp ah, [shortcut_move_up] ; Up |
100 | je .key.up |
||
101 | cmp ah, 0x4D ; Right |
||
1522 | dunkaist | 102 | je .key.right |
1677 | dunkaist | 103 | cmp ah, [shortcut_move_right] ; Right |
104 | je .key.right |
||
105 | |||
106 | cmp ah, 0x4B+0x80 ; Left released |
||
107 | je .key.released.left |
||
108 | mov al, [shortcut_move_left] |
||
109 | add al, 0x80 |
||
110 | cmp ah, al ; Left released |
||
111 | je .key.released.left |
||
112 | cmp ah, 0x50+0x80 ; Down released |
||
113 | je .key.released.down |
||
114 | mov al, [shortcut_move_down] |
||
115 | add al, 0x80 |
||
116 | cmp ah, al ; Down released |
||
117 | je .key.released.down |
||
118 | cmp ah, 0x48+0x80 ; Up released |
||
119 | je .key.released.up |
||
120 | mov al, [shortcut_move_up] |
||
121 | add al, 0x80 |
||
122 | cmp ah, al ; Up released |
||
123 | je .key.released.up |
||
124 | cmp ah, 0x4D+0x80 ; Right released |
||
125 | je .key.released.right |
||
126 | mov al, [shortcut_move_right] |
||
127 | add al, 0x80 |
||
128 | cmp ah, al ; Right released |
||
129 | je .key.released.right |
||
130 | |||
131 | cmp ah, [shortcut_reverse] |
||
132 | jne @f |
||
133 | call Reverse_snake |
||
134 | jmp .still |
||
135 | @@: |
||
136 | cmp ah, [shortcut_increase] |
||
137 | jne @f |
||
138 | call Increase_geometry |
||
139 | jmp .redraw |
||
140 | @@: |
||
141 | cmp ah, [shortcut_decrease] |
||
142 | jne @f |
||
143 | call Decrease_geometry |
||
144 | jmp .redraw |
||
145 | @@: |
||
1518 | dunkaist | 146 | |
1522 | dunkaist | 147 | jmp .still ; jump to wait for another event |
148 | |||
149 | |||
150 | .key.left: |
||
1566 | dunkaist | 151 | bts [action], 0 |
1522 | dunkaist | 152 | jc @f |
1518 | dunkaist | 153 | mov [time_to_wait], 0 |
154 | @@: |
||
1677 | dunkaist | 155 | cmp [smart_reverse], 1 |
156 | jne @f |
||
157 | cmp [snake_direction], RIGHT |
||
158 | je .still |
||
159 | @@: |
||
1566 | dunkaist | 160 | mov [snake_direction_next], LEFT |
1677 | dunkaist | 161 | bts [acceleration_mask], LEFT |
162 | jc Game_step |
||
1522 | dunkaist | 163 | jmp .still |
1518 | dunkaist | 164 | |
1522 | dunkaist | 165 | .key.down: |
1566 | dunkaist | 166 | bts [action], 0 |
1522 | dunkaist | 167 | jc @f |
1518 | dunkaist | 168 | mov [time_to_wait], 0 |
169 | @@: |
||
1677 | dunkaist | 170 | cmp [smart_reverse], 1 |
171 | jne @f |
||
172 | cmp [snake_direction], UP |
||
173 | je .still |
||
174 | @@: |
||
1566 | dunkaist | 175 | mov [snake_direction_next], DOWN |
1677 | dunkaist | 176 | bts [acceleration_mask], DOWN |
177 | jc Game_step |
||
1522 | dunkaist | 178 | jmp .still |
1518 | dunkaist | 179 | |
1522 | dunkaist | 180 | .key.up: |
1566 | dunkaist | 181 | bts [action], 0 |
1522 | dunkaist | 182 | jc @f |
1518 | dunkaist | 183 | mov [time_to_wait], 0 |
184 | @@: |
||
1677 | dunkaist | 185 | cmp [smart_reverse], 1 |
186 | jne @f |
||
187 | cmp [snake_direction], DOWN |
||
188 | je .still |
||
189 | @@: |
||
1566 | dunkaist | 190 | mov [snake_direction_next], UP |
1677 | dunkaist | 191 | bts [acceleration_mask], UP |
192 | jc Game_step |
||
1522 | dunkaist | 193 | jmp .still |
1518 | dunkaist | 194 | |
1522 | dunkaist | 195 | .key.right: |
1566 | dunkaist | 196 | bts [action], 0 |
1522 | dunkaist | 197 | jc @f |
1518 | dunkaist | 198 | mov [time_to_wait], 0 |
199 | @@: |
||
1677 | dunkaist | 200 | cmp [smart_reverse], 1 |
201 | jne @f |
||
202 | cmp [snake_direction], LEFT |
||
203 | je .still |
||
204 | @@: |
||
1566 | dunkaist | 205 | mov [snake_direction_next], RIGHT |
1677 | dunkaist | 206 | bts [acceleration_mask], RIGHT |
207 | jc Game_step |
||
1522 | dunkaist | 208 | jmp .still |
1518 | dunkaist | 209 | |
210 | |||
1677 | dunkaist | 211 | .key.released.left: |
212 | btr [acceleration_mask], LEFT |
||
213 | jmp .still |
||
214 | |||
215 | .key.released.down: |
||
216 | btr [acceleration_mask], DOWN |
||
217 | jmp .still |
||
218 | |||
219 | .key.released.up: |
||
220 | btr [acceleration_mask], UP |
||
221 | jmp .still |
||
222 | |||
223 | .key.released.right: |
||
224 | btr [acceleration_mask], RIGHT |
||
225 | jmp .still |
||
226 | |||
227 | |||
1518 | dunkaist | 228 | Game_step: |
229 | |||
1566 | dunkaist | 230 | cmp [snake_direction], LEFT ; are we moving to left? |
1518 | dunkaist | 231 | jz .left |
1566 | dunkaist | 232 | cmp [snake_direction], DOWN ; ... down? |
1518 | dunkaist | 233 | jz .down |
1566 | dunkaist | 234 | cmp [snake_direction], UP ; ... up? |
1518 | dunkaist | 235 | jz .up |
236 | jmp .right ; then right |
||
237 | |||
238 | .left: |
||
1566 | dunkaist | 239 | cmp [snake_direction_next], RIGHT ; next step is to right? |
240 | jz .with_reverse |
||
241 | jmp .without_reverse |
||
1518 | dunkaist | 242 | |
243 | .down: |
||
1566 | dunkaist | 244 | cmp [snake_direction_next], UP ; next step is to up? |
245 | jz .with_reverse |
||
246 | jmp .without_reverse |
||
1518 | dunkaist | 247 | |
248 | .up: |
||
1566 | dunkaist | 249 | cmp [snake_direction_next], DOWN ; next step is to bottom? |
250 | jz .with_reverse |
||
251 | jmp .without_reverse |
||
1518 | dunkaist | 252 | |
253 | .right: |
||
1566 | dunkaist | 254 | cmp [snake_direction_next], LEFT ; next step is to left? |
255 | jz .with_reverse |
||
256 | jmp .without_reverse |
||
1518 | dunkaist | 257 | |
258 | |||
1566 | dunkaist | 259 | .with_reverse: |
260 | call Set_reverse_direction |
||
1518 | dunkaist | 261 | call Reverse |
262 | |||
1566 | dunkaist | 263 | .without_reverse: |
1518 | dunkaist | 264 | mov edx, snake_dots-2 |
265 | add edx, [snake_length_x2] |
||
266 | |||
1566 | dunkaist | 267 | cmp [snake_direction_next], LEFT |
1518 | dunkaist | 268 | je .to_left |
1566 | dunkaist | 269 | cmp [snake_direction_next], DOWN |
1518 | dunkaist | 270 | je .to_down |
1566 | dunkaist | 271 | cmp [snake_direction_next], UP |
1518 | dunkaist | 272 | je .to_up |
1566 | dunkaist | 273 | cmp [snake_direction_next], RIGHT |
1518 | dunkaist | 274 | je .to_right |
275 | |||
276 | .to_left: |
||
1566 | dunkaist | 277 | mov [snake_direction], LEFT |
1518 | dunkaist | 278 | mov ax, [edx] |
279 | dec al |
||
280 | cmp al, -1 |
||
281 | jne @f |
||
1566 | dunkaist | 282 | mov al, GRID_WIDTH |
1522 | dunkaist | 283 | dec al |
1518 | dunkaist | 284 | @@: |
285 | jmp Snake_move |
||
286 | |||
287 | .to_down: |
||
1566 | dunkaist | 288 | mov [snake_direction], DOWN |
1518 | dunkaist | 289 | mov ax, [edx] |
290 | inc ah |
||
1566 | dunkaist | 291 | cmp ah, GRID_HEIGHT |
1518 | dunkaist | 292 | jne @f |
293 | mov ah, 0 |
||
294 | @@: |
||
295 | jmp Snake_move |
||
296 | |||
297 | .to_up: |
||
1566 | dunkaist | 298 | mov [snake_direction], UP |
1518 | dunkaist | 299 | mov ax, [edx] |
300 | dec ah |
||
301 | cmp ah, -1 |
||
302 | jne @f |
||
1566 | dunkaist | 303 | mov ah, GRID_HEIGHT |
1522 | dunkaist | 304 | dec ah |
1518 | dunkaist | 305 | @@: |
306 | jmp Snake_move |
||
307 | |||
308 | .to_right: |
||
1566 | dunkaist | 309 | mov [snake_direction], RIGHT |
1518 | dunkaist | 310 | mov ax, [edx] |
311 | inc al |
||
1566 | dunkaist | 312 | cmp al, GRID_WIDTH |
1518 | dunkaist | 313 | jne @f |
314 | mov al, 0 |
||
315 | @@: |
||
316 | jmp Snake_move |
||
317 | |||
318 | ;;---Level_body-------------------------------------------------------------------------------------------------------- |
||
319 | |||
320 | ;;---Level_mode---------------------------------------------------------------------------------------------------------------- |
||
321 | |||
322 | |||
323 | ;;===Some_functions============================================================================================================ |
||
324 | |||
325 | Draw_snake: |
||
326 | ;;===Draw_snake======================================================================================================== |
||
327 | |||
328 | call Draw_head_prehead |
||
329 | mov edx, [snake_color] |
||
330 | mov esi, snake_dots-6 |
||
331 | add esi, [snake_length_x2] |
||
332 | |||
333 | @@: |
||
334 | mov bx, [esi] |
||
335 | sub esi, 2 |
||
336 | call Draw_square |
||
337 | cmp esi, snake_dots-2 |
||
338 | jne @b |
||
339 | |||
340 | ret |
||
341 | |||
342 | ;;---Draw_snake-------------------------------------------------------------------------------------------------------- |
||
343 | |||
344 | |||
345 | Draw_head_prehead: |
||
346 | ;;===Draw_head_prehead================================================================================================= |
||
347 | |||
348 | mov edx, [snake_head_color] |
||
349 | mov esi, snake_dots-2 |
||
350 | add esi, [snake_length_x2] |
||
351 | mov bx, [esi] |
||
352 | call Draw_square |
||
353 | sub esi, 2 |
||
354 | mov bx, [esi] |
||
355 | mov edx, [snake_color] |
||
356 | call Draw_square |
||
1677 | dunkaist | 357 | call Draw_lives_in_head |
1518 | dunkaist | 358 | |
359 | ret |
||
360 | |||
361 | ;;---Draw_head_prehead------------------------------------------------------------------------------------------------- |
||
362 | |||
363 | |||
364 | Draw_level_strings: |
||
365 | ;;===Draw_level_strings================================================================================================ |
||
366 | |||
1522 | dunkaist | 367 | mov ebx, [window_width] |
368 | shr ebx, 1 |
||
1566 | dunkaist | 369 | sub ebx, string_pause_space.size*3+6 |
1522 | dunkaist | 370 | shl ebx, 16 |
371 | add ebx, [top_strings] |
||
372 | mcall 4, ,[navigation_strings_color],string_pause_space ; Draw 'PAUSE - SPACE' string |
||
373 | |||
374 | ; call Draw_menu_esc |
||
1518 | dunkaist | 375 | call Draw_score_string |
376 | call Draw_score_number ; Draw score (number) |
||
1522 | dunkaist | 377 | call Draw_champion_string |
378 | call Draw_champion_name |
||
1518 | dunkaist | 379 | call Draw_hiscore_string |
380 | call Draw_hiscore_number |
||
381 | |||
1566 | dunkaist | 382 | cmp [play_mode], LEVELS_MODE |
383 | jne @f |
||
384 | |||
385 | mov ebx, [window_width] |
||
386 | shr ebx, 3 |
||
387 | sub ebx, 5 |
||
388 | shl ebx, 16 |
||
389 | add ebx, [bottom_bottom_strings] |
||
390 | mcall 4, ,[level_string_color],string_level |
||
391 | |||
392 | mov edx, [window_width] |
||
393 | shr edx, 3 |
||
394 | sub edx, 5+1 |
||
395 | add edx, string_level.size*6 |
||
396 | shl edx, 16 |
||
397 | add edx, [bottom_bottom_strings] |
||
398 | mcall 47,0x00020000,[cur_level_number], ,[level_number_color],[background_color] |
||
399 | |||
400 | @@: |
||
401 | |||
1518 | dunkaist | 402 | ret |
403 | |||
404 | ;;---Draw_level_strings------------------------------------------------------------------------------------------------ |
||
405 | |||
406 | |||
407 | Reverse: |
||
408 | ;;===Reverse=========================================================================================================== |
||
409 | |||
410 | mov ecx, [snake_length_x2] |
||
411 | shr ecx, 2 |
||
412 | mov esi, snake_dots |
||
413 | mov edi, snake_dots-2 |
||
414 | add edi, [snake_length_x2] |
||
415 | |||
416 | @@: |
||
417 | mov ax, [edi] |
||
418 | xchg ax, [esi] |
||
419 | mov [edi], ax |
||
420 | |||
421 | add esi, 2 |
||
422 | sub edi, 2 |
||
1522 | dunkaist | 423 | dec cx |
1518 | dunkaist | 424 | jnz @b |
425 | |||
426 | ret |
||
427 | |||
428 | ;;---Reverse----------------------------------------------------------------------------------------------------------- |
||
429 | |||
430 | |||
431 | Draw_eat: |
||
432 | ;;===Draw_eat========================================================================================================== |
||
433 | |||
434 | mov bx, word[eat] |
||
435 | mov edx, [eat_color] |
||
436 | |||
437 | call Draw_square |
||
438 | |||
439 | ret |
||
440 | |||
441 | ;;---Draw_eat---------------------------------------------------------------------------------------------------------- |
||
442 | |||
443 | |||
444 | Get_eat: |
||
445 | ;;===Get_eat=========================================================================================================== |
||
446 | ;; in : |
||
447 | ;; |
||
448 | ;; out : |
||
449 | ;; ax = coord's of the eat square (al=x, ah=y) |
||
450 | ;; |
||
1677 | dunkaist | 451 | |
1518 | dunkaist | 452 | mcall 26,9 |
453 | ; xor eax, esp |
||
454 | shl eax, 1 |
||
455 | xor edx, edx |
||
456 | div word[number_of_free_dots] |
||
457 | mov ebx, field_map |
||
458 | |||
459 | .loop: |
||
460 | cmp byte[ebx], 0 |
||
461 | jne @f |
||
462 | test dx, dx |
||
463 | jz .place_found |
||
464 | dec dx |
||
465 | @@: |
||
466 | inc ebx |
||
467 | jmp .loop |
||
468 | |||
469 | .place_found: |
||
470 | sub ebx, field_map |
||
471 | mov eax, ebx |
||
1566 | dunkaist | 472 | mov bl, GRID_WIDTH |
1518 | dunkaist | 473 | div bl |
474 | xchg al, ah |
||
475 | |||
476 | mov word[eat], ax |
||
477 | |||
478 | ret |
||
479 | |||
480 | ;;---Get_eat----------------------------------------------------------------------------------------------------------- |
||
481 | |||
482 | |||
483 | Sdvig: |
||
484 | ;;===Sdvig============================================================================================================= |
||
485 | |||
486 | mov esi, snake_dots+2 |
||
487 | mov edi, snake_dots |
||
488 | mov ecx, [snake_length_x2] |
||
489 | shr ecx, 1 |
||
490 | |||
491 | cld |
||
492 | rep movsw |
||
493 | |||
494 | ret |
||
495 | |||
496 | ;;---Sdvig------------------------------------------------------------------------------------------------------------- |
||
497 | |||
498 | |||
1566 | dunkaist | 499 | Set_reverse_direction: |
500 | ;;===Set_reverse_direction================================================================================================== |
||
1518 | dunkaist | 501 | |
502 | mov eax, snake_dots |
||
503 | mov ebx, snake_dots+2 |
||
504 | |||
505 | mov cl, [eax] ; The last dot x_coord |
||
1522 | dunkaist | 506 | mov ch, [ebx] ; The pre_last dot x_coord |
1518 | dunkaist | 507 | |
1522 | dunkaist | 508 | cmp cl, ch |
1518 | dunkaist | 509 | je .X_ravny |
510 | |||
511 | cmp cl, 0 |
||
512 | jne .skip2 |
||
513 | |||
1566 | dunkaist | 514 | mov dl, GRID_WIDTH |
1522 | dunkaist | 515 | dec dl |
516 | cmp ch, dl |
||
1518 | dunkaist | 517 | jne .Normal_y_ravny |
1566 | dunkaist | 518 | mov [snake_direction_next], RIGHT |
1518 | dunkaist | 519 | ret |
520 | |||
521 | .skip2: |
||
1566 | dunkaist | 522 | mov dl, GRID_WIDTH |
1522 | dunkaist | 523 | dec dl |
524 | cmp cl, dl |
||
1518 | dunkaist | 525 | jne .Normal_y_ravny |
1522 | dunkaist | 526 | cmp ch, 0 |
1518 | dunkaist | 527 | jne .Normal_y_ravny |
1566 | dunkaist | 528 | mov [snake_direction_next], LEFT |
1518 | dunkaist | 529 | ret |
530 | |||
531 | .Normal_y_ravny: |
||
532 | |||
1522 | dunkaist | 533 | cmp cl, ch |
1518 | dunkaist | 534 | jg .Napravlenie_to_right |
1566 | dunkaist | 535 | mov [snake_direction_next], LEFT |
1518 | dunkaist | 536 | ret |
537 | |||
538 | .Napravlenie_to_right: |
||
1566 | dunkaist | 539 | mov [snake_direction_next], RIGHT |
1518 | dunkaist | 540 | ret |
541 | |||
542 | .X_ravny: |
||
543 | inc eax |
||
544 | inc ebx |
||
545 | mov cl, [eax] |
||
1522 | dunkaist | 546 | mov ch, [ebx] |
1518 | dunkaist | 547 | |
548 | cmp cl, 0 |
||
549 | jne .skip3 |
||
550 | |||
1566 | dunkaist | 551 | mov dl, GRID_HEIGHT |
1522 | dunkaist | 552 | dec dl |
553 | cmp ch, dl |
||
1518 | dunkaist | 554 | jne .Normal_x_ravny |
1566 | dunkaist | 555 | mov [snake_direction_next], DOWN |
1518 | dunkaist | 556 | ret |
557 | |||
558 | .skip3: |
||
1566 | dunkaist | 559 | mov dl, GRID_HEIGHT |
1522 | dunkaist | 560 | dec dl |
561 | cmp ch, dl |
||
1518 | dunkaist | 562 | jne .Normal_x_ravny |
1522 | dunkaist | 563 | cmp ch, 0 |
1518 | dunkaist | 564 | jne .Normal_x_ravny |
1566 | dunkaist | 565 | mov [snake_direction_next], UP |
1518 | dunkaist | 566 | ret |
567 | |||
568 | .Normal_x_ravny: |
||
569 | |||
1522 | dunkaist | 570 | cmp cl, ch ; !!! |
1518 | dunkaist | 571 | jg .Napravlenie_to_down ; 0 1 2 ... |
1566 | dunkaist | 572 | mov [snake_direction_next], UP ; 1 |
1518 | dunkaist | 573 | ret ; 2 |
574 | ; . |
||
575 | .Napravlenie_to_down: ; . |
||
1566 | dunkaist | 576 | mov [snake_direction_next], DOWN ; . |
1518 | dunkaist | 577 | |
578 | ret |
||
579 | |||
1566 | dunkaist | 580 | ;;---Set_reverse_direction-------------------------------------------------------------------------------------------------- |
1518 | dunkaist | 581 | |
582 | |||
583 | Snake_move: |
||
1566 | dunkaist | 584 | ;;===Snake_move============================================================================================================= |
1518 | dunkaist | 585 | ;; in : |
586 | ;; ax = coord's of new head |
||
587 | ;; edx = snake_dots+[snake_length_x2]-2 (snake head) |
||
588 | ;; |
||
589 | |||
590 | add edx, 2 |
||
591 | mov [edx], ax |
||
592 | cmp ax, word[eat] |
||
593 | jne .eat_and_new_head_are_different |
||
594 | |||
595 | add [snake_length_x2], 2 |
||
596 | add [score], SCORE_EAT |
||
1566 | dunkaist | 597 | dec [number_of_free_dots] |
598 | cmp [number_of_free_dots], 0 |
||
1518 | dunkaist | 599 | je Game_over |
600 | mov ax, word[eat] |
||
601 | mov cl, 1 |
||
602 | call Draw_on_map |
||
603 | call Draw_head_prehead |
||
1677 | dunkaist | 604 | |
605 | cmp [play_mode], CLASSIC_MODE |
||
606 | jne .is_not_classic_mode |
||
607 | dec byte[speed_up_counter] |
||
608 | jns @f |
||
609 | mov al, byte[speed_up_counter+1] |
||
610 | mov byte[speed_up_counter], al |
||
611 | cmp [time_wait_limit], 4 |
||
612 | jl @f |
||
613 | dec [time_wait_limit] |
||
614 | @@: |
||
615 | |||
616 | .is_not_classic_mode: |
||
617 | cmp [play_mode], LEVELS_MODE |
||
618 | jne .is_not_levels_mode |
||
619 | cmp [snake_length_x2], (EAT_TO_END_LEVEL+3)*2 |
||
620 | je .skip |
||
621 | |||
622 | .is_not_levels_mode: |
||
1518 | dunkaist | 623 | call Get_eat |
624 | call Draw_eat |
||
1677 | dunkaist | 625 | .skip: |
1518 | dunkaist | 626 | |
627 | jmp Keys_done |
||
628 | |||
629 | |||
630 | .eat_and_new_head_are_different: |
||
631 | |||
1522 | dunkaist | 632 | push ax |
633 | |||
634 | mov ax, word[snake_dots] |
||
635 | mov cl, 0 |
||
636 | call Draw_on_map |
||
1518 | dunkaist | 637 | |
1522 | dunkaist | 638 | pop ax |
639 | |||
1518 | dunkaist | 640 | call Get_from_map |
1677 | dunkaist | 641 | |
1518 | dunkaist | 642 | test bl, bl |
643 | jnz Game_over |
||
644 | |||
645 | mov cl, 1 |
||
646 | call Draw_on_map |
||
647 | |||
648 | mov bx, word[snake_dots] |
||
649 | mov edx, [background_color] |
||
650 | call Draw_square |
||
1522 | dunkaist | 651 | |
1518 | dunkaist | 652 | call Sdvig |
653 | |||
654 | call Draw_head_prehead |
||
655 | |||
656 | |||
657 | Keys_done: |
||
658 | |||
659 | cmp [score], 0 |
||
660 | je @f |
||
661 | dec [score] |
||
662 | call Draw_score_number |
||
663 | @@: |
||
1566 | dunkaist | 664 | |
665 | cmp [play_mode], LEVELS_MODE |
||
666 | jne @f |
||
667 | cmp [snake_length_x2], (EAT_TO_END_LEVEL+3)*2 |
||
668 | je Do_smth_between_levels |
||
669 | @@: |
||
670 | |||
1518 | dunkaist | 671 | mcall 26, 9 |
672 | mov [time_before_waiting], eax |
||
673 | mov eax, [time_wait_limit] |
||
674 | mov [time_to_wait], eax |
||
1522 | dunkaist | 675 | jmp Level_body.still |
1518 | dunkaist | 676 | |
1522 | dunkaist | 677 | ;;---Snake_move------------------------------------------------------------------------------------------------------------ |
1518 | dunkaist | 678 | |
1566 | dunkaist | 679 | |
680 | Do_smth_between_levels: |
||
681 | ;;===Do_smth_between_levels================================================================================================ |
||
682 | |||
683 | inc [cur_level_number] |
||
684 | cmp [cur_level_number], LAST_LEVEL_NUMBER+1 |
||
685 | jne @f |
||
686 | mov [cur_level_number], LEVELS_MODE_FIRST_LEVEL |
||
687 | @@: |
||
688 | |||
689 | call Draw_splash |
||
690 | |||
691 | @@: |
||
692 | mcall 2 |
||
693 | cmp eax, 1 |
||
694 | jne @b |
||
695 | |||
696 | jmp Level_begin |
||
697 | |||
698 | ;;---Do_smth_between_levels------------------------------------------------------------------------------------------------ |
||
699 | |||
700 | |||
701 | Draw_splash: |
||
702 | ;;===Draw_splash=========================================================================================================== |
||
703 | |||
704 | mov al, 0 |
||
705 | mov cl, GRID_WIDTH-1 |
||
706 | mov edx, [splash_background_color] |
||
707 | |||
708 | .draw: |
||
709 | mov bh, GRID_HEIGHT-1 |
||
710 | mov bl, al |
||
711 | @@: |
||
712 | call Draw_square |
||
713 | sub bh, 2 |
||
714 | cmp bh, 0 |
||
715 | jg @b |
||
716 | |||
717 | inc al |
||
718 | |||
719 | mov bh, GRID_HEIGHT-2 |
||
720 | mov bl, cl |
||
721 | @@: |
||
722 | call Draw_square |
||
723 | sub bh, 2 |
||
724 | cmp bh, 0 |
||
725 | jnl @b |
||
726 | |||
727 | dec cl |
||
728 | cmp cl, 0 |
||
1677 | dunkaist | 729 | jl .picture |
1566 | dunkaist | 730 | |
731 | push eax ebx |
||
732 | mcall 5,PAUSE_WHILE_DRAWING_SPLASH |
||
1677 | dunkaist | 733 | mcall 2 |
734 | cmp ah, 0x39 ; Space |
||
735 | jne @f |
||
1566 | dunkaist | 736 | pop ebx eax |
1677 | dunkaist | 737 | jmp .quit |
738 | @@: |
||
739 | cmp ah, 0x1C ; Enter |
||
740 | jne @f |
||
741 | pop ebx eax |
||
742 | jmp .quit |
||
743 | @@: |
||
744 | pop ebx eax |
||
1566 | dunkaist | 745 | jmp .draw |
746 | |||
747 | |||
1677 | dunkaist | 748 | .picture: |
1566 | dunkaist | 749 | mov ax, 2*0x100+24 |
750 | mov cx, 1*0x100+5 |
||
751 | mov edx, [splash_level_string_color] |
||
752 | mov esi, picture_level |
||
753 | call Draw_picture |
||
754 | |||
755 | mov eax, [cur_level_number] |
||
756 | mov dl, 10 |
||
757 | div dl |
||
758 | push ax |
||
759 | |||
760 | mov esi, digits_font |
||
761 | @@: |
||
762 | test al, al |
||
763 | jz @f |
||
1677 | dunkaist | 764 | add esi, 5 |
1566 | dunkaist | 765 | dec al |
766 | jmp @b |
||
767 | @@: |
||
768 | |||
769 | mov ax, 9*0x100+4 |
||
770 | mov cx, 8*0x100+5 |
||
771 | mov edx, [splash_level_number_color] |
||
772 | call Draw_picture |
||
773 | |||
774 | pop ax |
||
775 | mov esi, digits_font |
||
776 | @@: |
||
777 | test ah, ah |
||
778 | jz @f |
||
1677 | dunkaist | 779 | add esi, 5 |
1566 | dunkaist | 780 | dec ah |
781 | jmp @b |
||
782 | @@: |
||
783 | |||
784 | mov ax, 15*0x100+4 |
||
785 | mov cx, 8*0x100+5 |
||
786 | mov edx, [splash_level_number_color] |
||
787 | call Draw_picture |
||
788 | |||
1677 | dunkaist | 789 | mcall 26,9 |
790 | mov [time_before_waiting], eax |
||
791 | mov [time_to_wait], PAUSE_BETWEEN_LEVELS |
||
792 | @@: |
||
793 | mcall 23,[time_to_wait] |
||
794 | mcall 2 |
||
795 | cmp ah, 0x39 ; Space |
||
796 | je .quit |
||
797 | cmp ah, 0x1C ; Enter |
||
798 | je .quit |
||
799 | mcall 26,9 |
||
800 | push eax |
||
801 | sub eax, [time_before_waiting] |
||
802 | pop [time_before_waiting] |
||
803 | sub [time_to_wait], eax |
||
804 | jns @b |
||
805 | .quit: |
||
1566 | dunkaist | 806 | ret |
807 | |||
808 | ;;---Draw_splash----------------------------------------------------------------------------------------------------------- |
||
809 | |||
810 | |||
1677 | dunkaist | 811 | Draw_lives_in_head: |
812 | ;;===Draw_lives_in_head==================================================================================================== |
||
813 | |||
814 | cmp [play_mode], LEVELS_MODE |
||
815 | jne .quit |
||
816 | test [show_lives_style], 2 |
||
817 | jz .quit |
||
818 | mov eax, snake_dots-2 |
||
819 | add eax, [snake_length_x2] |
||
820 | mov ax, word[eax] |
||
821 | |||
822 | mov bl, ah |
||
823 | mul byte[g_s] |
||
824 | mov edx, [gbxm1] |
||
825 | add dx, ax |
||
826 | shl edx, 16 |
||
827 | mov al, bl |
||
828 | mul byte[g_s] |
||
829 | mov dx, word[gbym1] |
||
830 | add dx, ax |
||
831 | |||
832 | mov eax, [g_s] |
||
833 | shl eax, 16 |
||
834 | add eax, [g_s] |
||
835 | and eax, 0xfffefffe |
||
836 | shr eax, 1 |
||
837 | add edx, eax |
||
838 | sub edx, 0x00020003 |
||
839 | mcall 47,0x80010001,lives,,[lives_in_head_number_color] |
||
840 | |||
841 | .quit: |
||
842 | ret |
||
843 | |||
844 | ;;---Draw_lives_in_head---------------------------------------------------------------------------------------------------- |
||
845 | |||
846 | |||
1518 | dunkaist | 847 | ;;---Some_functions------------------------------------------------------------------------------------------------------------ |