Mercurial > vba-clojure

     1 (ns com.aurellem.exp.pokemon

     2   "Here I find out how pokemon are stored in memory."

     3   (:use (com.aurellem.gb gb-driver items assembly util

     4                          characters))

     5   (:import [com.aurellem.gb.gb_driver SaveState]))

     6 

     7 

     8 (def pidgeot-lvl-36 (mid-game))

     9 

    10 

    11 (def pidgeot-lvl-37 (read-state "pidgeot-lvl-37"))

    12 

    13 

    14 (def pidgeot-lvl-38  (read-state "pidgeot-lvl-38"))

    15 

    16 

    17 (def pidgeot-lvl-39  (read-state "pidgeot-lvl-39"))

    18 

    19 

    20 (def pidgeot-lvl-40  (read-state "pidgeot-lvl-40"))

    21 

    22 

    23 (defn level-analysis []

    24   (apply common-differences

    25          (map (comp vec memory)

    26               [pidgeot-lvl-36

    27                pidgeot-lvl-37

    28                pidgeot-lvl-38

    29                pidgeot-lvl-39

    30                pidgeot-lvl-40])))

    31 

    32 ;; inconclusive -- implies that level is calculated from

    33 ;; some other values.

    34 

    35 

    36 (def name-pidgeotto (read-state "name-pidgeotto"))

    37 (def named-A (read-state "named-A"))

    38 (def named-B (read-state "named-B"))

    39 (def named-C (read-state "named-C"))

    40 (def named-D (read-state "named-D"))

    41 (def named-E (read-state "named-E"))

    42 (def named-F (read-state "named-F"))

    43 

    44 (defn name-analysis []

    45   (apply common-differences

    46          (map (comp vec memory)

    47               [named-A

    48                named-B

    49                named-C

    50                named-D

    51                named-E

    52                named-F])))

    53 

    54 ;; resluted in 3 separate locations that could

    55 ;; possibly hold the first letter of the pokemon's name

    56 

    57 0xCF4A

    58 0xD2EB

    59 0xCEED

    60 

    61 ;; try changing each of them

    62 

    63 

    64 (defn test-cf4a []

    65   (continue!

    66    (set-memory named-A 0xCF4A (character->character-code "Z"))))

    67 ;; result -- pidgeotto named "A"

    68 

    69 (defn test-d2eb []

    70   (continue!

    71    (set-memory named-A 0xD2EB (character->character-code "Z"))))

    72 ;; result -- pidgeotto named "Z"

    73 

    74 (defn test-ceed []

    75   (continue!

    76    (set-memory named-A 0xCEED (character->character-code "Z"))))

    77 ;; result -- pidgeotto named "A"

    78 

    79 (def sixth-pokemon-name-start 0xD2EB)

    80 

    81 

    82 (defn set-sixth-pokemon-name-first-character

    83   ([state character]

    84      (set-memory state sixth-pokemon-name-start

    85                  (character->character-code character)))

    86   ([character]

    87      (set-sixth-pokemon-name-first-character @current-state

    88                                              character)))

    89 

    90 

    91 (def end-of-name-marker 0x50)

    92 (def max-name-length 10)

    93 (def name-width 11)

    94 

    95 (defn read-name [codes]

    96   (character-codes->str

    97    (take-while

    98     (partial not= end-of-name-marker) codes)))

    99     

   100 

   101 (defn sixth-pokemon-name [^SaveState state]

   102   (read-name

   103     (subvec (vec (memory state))

   104             sixth-pokemon-name-start

   105             (+ (inc max-name-length)

   106                sixth-pokemon-name-start))))

   107 

   108 (defn rename-sixth-pokemon

   109   ([^SaveState state new-name]

   110      (assert (< (count new-name) max-name-length))

   111      (set-memory-range state sixth-pokemon-name-start

   112                        (concat (str->character-codes new-name)

   113                                [end-of-name-marker])))

   114   ([new-name]

   115      (rename-sixth-pokemon @current-state new-name)))

   116 

   117 (defn print-text

   118   ([^SaveState state begin end]

   119      (dorun

   120       (map (fn [character-code line]

   121              (println

   122               (format "0x%04X: " line)

   123               (str (character-code->character character-code))))

   124            (subvec (vec (memory state)) begin end)

   125            (range begin end)))

   126      state)

   127   ([begin end]

   128      (print-text @current-state begin end)))

   129 

   130 (defn examine-name-memory []

   131   (print-text

   132    named-A

   133    (- sixth-pokemon-name-start 100)

   134    (+ sixth-pokemon-name-start 100)))

   135 

   136 ;; results:

   137 ;; 0xD287:  end-of-name-sentinel

   138 ;; 0xD288:  R

   139 ;; 0xD289:  L

   140 ;; 0xD28A:  M

   141 ;; 0xD28B:  end-of-pokemon-name-sentinel

   142 ;; 0xD28C:  end-of-name-sentinel

   143 ;; 0xD28D:  end-of-name-sentinel

   144 ;; 0xD28E:  end-of-name-sentinel

   145 ;; 0xD28F:  end-of-name-sentinel

   146 ;; 0xD290:  end-of-name-sentinel

   147 ;; 0xD291:  end-of-name-sentinel

   148 ;; 0xD292:  end-of-name-sentinel

   149 ;; 0xD293:  R

   150 ;; 0xD294:  L

   151 ;; 0xD295:  M

   152 ;; 0xD296:  end-of-pokemon-name-sentinel

   153 ;; 0xD297:  end-of-name-sentinel

   154 ;; 0xD298:  end-of-name-sentinel

   155 ;; 0xD299:  end-of-name-sentinel

   156 ;; 0xD29A:  end-of-name-sentinel

   157 ;; 0xD29B:  end-of-name-sentinel

   158 ;; 0xD29C:  end-of-name-sentinel

   159 ;; 0xD29D:  end-of-name-sentinel

   160 ;; 0xD29E:  R

   161 ;; 0xD29F:  L

   162 ;; 0xD2A0:  M

   163 ;; 0xD2A1:  end-of-pokemon-name-sentinel

   164 ;; 0xD2A2:  end-of-name-sentinel

   165 ;; 0xD2A3:  end-of-name-sentinel

   166 ;; 0xD2A4:  end-of-name-sentinel

   167 ;; 0xD2A5:  end-of-name-sentinel

   168 ;; 0xD2A6:  end-of-name-sentinel

   169 ;; 0xD2A7:  end-of-name-sentinel

   170 ;; 0xD2A8:  end-of-name-sentinel

   171 ;; 0xD2A9:  R

   172 ;; 0xD2AA:  L

   173 ;; 0xD2AB:  M

   174 ;; 0xD2AC:  end-of-pokemon-name-sentinel

   175 ;; 0xD2AD:  end-of-name-sentinel

   176 ;; 0xD2AE:  end-of-name-sentinel

   177 ;; 0xD2AF:  end-of-name-sentinel

   178 ;; 0xD2B0:  end-of-name-sentinel

   179 ;; 0xD2B1:  end-of-name-sentinel

   180 ;; 0xD2B2:  end-of-name-sentinel

   181 ;; 0xD2B3:  end-of-name-sentinel

   182 ;; 0xD2B4:  P

   183 ;; 0xD2B5:  I

   184 ;; 0xD2B6:  D

   185 ;; 0xD2B7:  G

   186 ;; 0xD2B8:  E

   187 ;; 0xD2B9:  O

   188 ;; 0xD2BA:  T

   189 ;; 0xD2BB:  end-of-pokemon-name-sentinel

   190 ;; 0xD2BC:  end-of-pokemon-name-sentinel

   191 ;; 0xD2BD:  end-of-pokemon-name-sentinel

   192 ;; 0xD2BE:  end-of-pokemon-name-sentinel

   193 ;; 0xD2BF:  P

   194 ;; 0xD2C0:  I

   195 ;; 0xD2C1:  K

   196 ;; 0xD2C2:  A

   197 ;; 0xD2C3:  C

   198 ;; 0xD2C4:  H

   199 ;; 0xD2C5:  U

   200 ;; 0xD2C6:  end-of-pokemon-name-sentinel

   201 ;; 0xD2C7:  end-of-pokemon-name-sentinel

   202 ;; 0xD2C8:  end-of-pokemon-name-sentinel

   203 ;; 0xD2C9:  end-of-pokemon-name-sentinel

   204 ;; 0xD2CA:  C

   205 ;; 0xD2CB:  H

   206 ;; 0xD2CC:  A

   207 ;; 0xD2CD:  R

   208 ;; 0xD2CE:  I

   209 ;; 0xD2CF:  Z

   210 ;; 0xD2D0:  A

   211 ;; 0xD2D1:  R

   212 ;; 0xD2D2:  D

   213 ;; 0xD2D3:  end-of-pokemon-name-sentinel

   214 ;; 0xD2D4:  end-of-pokemon-name-sentinel

   215 ;; 0xD2D5:  V

   216 ;; 0xD2D6:  E

   217 ;; 0xD2D7:  N

   218 ;; 0xD2D8:  U

   219 ;; 0xD2D9:  S

   220 ;; 0xD2DA:  A

   221 ;; 0xD2DB:  U

   222 ;; 0xD2DC:  R

   223 ;; 0xD2DD:  end-of-pokemon-name-sentinel

   224 ;; 0xD2DE:  end-of-pokemon-name-sentinel

   225 ;; 0xD2DF:  end-of-pokemon-name-sentinel

   226 ;; 0xD2E0:  P

   227 ;; 0xD2E1:  R

   228 ;; 0xD2E2:  I

   229 ;; 0xD2E3:  M

   230 ;; 0xD2E4:  E

   231 ;; 0xD2E5:  A

   232 ;; 0xD2E6:  P

   233 ;; 0xD2E7:  E

   234 ;; 0xD2E8:  end-of-pokemon-name-sentinel

   235 ;; 0xD2E9:  end-of-pokemon-name-sentinel

   236 ;; 0xD2EA:  end-of-pokemon-name-sentinel

   237 ;; 0xD2EB:  A

   238 ;; 0xD2EC:  end-of-pokemon-name-sentinel

   239 ;; 0xD2ED:  S

   240 ;; 0xD2EE:  T

   241 ;; 0xD2EF:  E

   242 ;; 0xD2F0:  R

   243 ;; 0xD2F1:  

   244 ;; 0xD2F2:  B

   245 ;; 0xD2F3:  A

   246 ;; 0xD2F4:  L

   247 ;; 0xD2F5:  L

   248 ;; 0xD2F6:  

   249 ;; 0xD2F7:  A

   250 ;; 0xD2F8:  

   251 ;; 0xD2F9:  

   252 ;; 0xD2FA:  end-of-name-sentinel

   253 ;; 0xD2FB:  end-of-name-sentinel

   254 ;; 0xD2FC:  A

   255 ;; 0xD2FD:  

   256 ;; 0xD2FE:  end-of-name-sentinel

   257 ;; 0xD2FF:  end-of-name-sentinel

   258 ;; 0xD300:  end-of-name-sentinel

   259 ;; 0xD301:  end-of-name-sentinel

   260 ;; 0xD302:  end-of-name-sentinel

   261 ;; 0xD303:  end-of-name-sentinel

   262 ;; 0xD304:  end-of-name-sentinel

   263 ;; 0xD305:  end-of-name-sentinel

   264 ;; 0xD306:  end-of-name-sentinel

   265 ;; 0xD307:  end-of-name-sentinel

   266 ;; 0xD308:  end-of-name-sentinel

   267 ;; 0xD309:  

   268 ;; 0xD30A:  w

   269 ;; 0xD30B:  

   270 ;; 0xD30C:  V

   271 ;; 0xD30D:  

   272 ;; 0xD30E:  

   273 ;; 0xD30F:  K

   274 ;; 0xD310:  

   275 ;; 0xD311:  

   276 ;; 0xD312:  

   277 ;; 0xD313:  A

   278 ;; 0xD314:  

   279 ;; 0xD315:  

   280 ;; 0xD316:  

   281 ;; 0xD317:  i

   282 ;; 0xD318:  

   283 ;; 0xD319:  

   284 ;; 0xD31A:  end-of-name-sentinel

   285 ;; 0xD31B:  end-of-name-sentinel

   286 ;; 0xD31C:  

   287 ;; 0xD31D:  

   288 ;; 0xD31E:  

   289 ;; 0xD31F:  

   290 ;; 0xD320:  

   291 ;; 0xD321:  

   292 ;; 0xD322:  

   293 ;; 0xD323:  

   294 ;; 0xD324:  

   295 ;; 0xD325:  

   296 ;; 0xD326:  

   297 ;; 0xD327:  

   298 ;; 0xD328:  

   299 ;; 0xD329:  

   300 ;; 0xD32A:  

   301 ;; 0xD32B:  

   302 ;; 0xD32C:  

   303 ;; 0xD32D:  

   304 ;; 0xD32E:  

   305 ;; 0xD32F:  

   306 ;; 0xD330:  

   307 ;; 0xD331:  9

   308 ;; 0xD332:  end-of-name-sentinel

   309 ;; 0xD333:  9

   310 ;; 0xD334:  

   311 ;; 0xD335:  9

   312 ;; 0xD336:  

   313 ;; 0xD337:  9

   314 ;; 0xD338:  end-of-name-sentinel

   315 ;; 0xD339:  end-of-name-sentinel

   316 ;; 0xD33A:  end-of-name-sentinel

   317 ;; 0xD33B:  end-of-name-sentinel

   318 ;; 0xD33C:  end-of-name-sentinel

   319 ;; 0xD33D:  end-of-name-sentinel

   320 ;; 0xD33E:  end-of-name-sentinel

   321 ;; 0xD33F:  end-of-name-sentinel

   322 ;; 0xD340:  end-of-name-sentinel

   323 ;; 0xD341:  end-of-name-sentinel

   324 ;; 0xD342:  end-of-name-sentinel

   325 ;; 0xD343:  end-of-name-sentinel

   326 ;; 0xD344:  end-of-name-sentinel

   327 ;; 0xD345:  end-of-name-sentinel

   328 ;; 0xD346:  

   329 ;; 0xD347:  

   330 ;; 0xD348:  

   331 ;; 0xD349:  G

   332 ;; 0xD34A:  A

   333 ;; 0xD34B:  R

   334 ;; 0xD34C:  Y

   335 ;; 0xD34D:  end-of-pokemon-name-sentinel

   336 ;; 0xD34E:  J

   337 

   338   

   339 ;; from this, it looks like the pokemon names are stored all

   340 ;; together in one location that begins at 0xD2B4 and

   341 ;; extends until 0xD2F5, with each name taking up 11 bytes.

   342 ;;

   343 ;; rival's name again clearly starts at 0xD349.

   344 

   345 

   346 (def pokemon-names-start 0xD2B4)

   347      

   348 

   349 ;; determine whether "number of pokemon in party"

   350 ;; might be kept in RAM and if so, where?

   351 

   352 (def six-pokemon (read-state "6-pokemon"))

   353 (def five-pokemon (read-state "5-pokemon"))

   354 (def four-pokemon (read-state "4-pokemon"))

   355 (def three-pokemon (read-state "3-pokemon"))

   356 (def two-pokemon (read-state "2-pokemon"))

   357 (def one-pokemon (read-state "1-pokemon"))

   358 

   359 

   360 (defn analyze-num-pokemon []

   361     (apply common-differences

   362          (map (comp vec memory)

   363               [one-pokemon

   364                two-pokemon

   365                three-pokemon

   366                four-pokemon

   367                five-pokemon

   368                six-pokemon])))

   369 

   370 ;; ;; results

   371 ;; ([53602 (1 2 3 4 5 6)]

   372 ;;  [65314 (105 61 93 60 92 34)]

   373 ;;  [55875 (34 36 43 52 7 0)]

   374 ;;  [55876 (18 0 33 52 54 30)]

   375 ;;  [49158 (197 194 77 117 174 134)]

   376 ;;  [49160 (29 26 57 239 15 243)]

   377 ;;  [49736 (74 93 34 89 91 59)]

   378 ;;  [49162 (165 162 182 179 197 109)]

   379 ;;  [49227 (187 105 204 5 90 238)]

   380 ;;  [53067 (128 136 132 145 135 11)]

   381 ;;  [53068 (147 131 141 136 128 7)]

   382 ;;  [53069 (136 134 148 140 145 2)]

   383 ;;  [49904 (2 11 10 3 27 12)]

   384 ;;  [49172 (100 109 213 195 68 104)]

   385 ;;  [65492 (11 103 128 160 19 56)]

   386 ;;  [49173 (80 77 72 75 76 67)]

   387 ;;  [49334 (8 10 11 5 3 1)]

   388 ;;  [49335 (49 10 11 19 17 15)]

   389 ;;  [49336 (8 10 11 5 3 1)]

   390 ;;  [49720 (106 14 118 0 38 11)]

   391 ;;  [65304 (32 88 19 114 106 33)]

   392 ;;  [53561 (59 229 48 17 155 103)]

   393 ;;  [55935 (6 5 4 3 2 1)])

   394 

   395 

   396 ;; two canidates : 0xD162 or 0xDA7F

   397 ;; they seem to always sum to 6...

   398 

   399 ;; try to set both of them when having only one pokemon.

   400 

   401 (defn change-party-number [^SaveState state new-num]

   402   (set-memory state 0xD162 new-num))

   403 

   404 ;; (continue! (change-party-number one-pokemon 3))

   405 ;; result -- can scroll down beyone first pokemon, finding

   406 ;; glitched pokemon in places where there were previously no

   407 ;; pokemon.

   408 

   409 

   410 (defn change-party-number* [^SaveState state new-num]

   411   (set-memory state 0xDA7F new-num))

   412 

   413 

   414 ;; (continue! (change-party-number* one-pokemon 3))

   415 ;; cannot widthdraw any pokemon from box 1 past the third

   416 ;; pokemon.

   417 

   418 (def party-number-address 0xD162)

   419 

   420 (defn party-number

   421   ([^SaveState state]

   422      (aget (memory state) party-number-address))

   423   ([] (party-number @current-state)))

   424 

   425 (def pokemon-in-box-1-address 0xDA7F)

   426 

   427 (defn party-names

   428   ([^SaveState state]

   429      (let [raw-names

   430            (subvec (vec (memory state))

   431                    pokemon-names-start

   432                    (+ pokemon-names-start

   433                       (* name-width 6)))]

   434        (map

   435         read-name

   436         (take

   437          (party-number state)

   438           (partition name-width

   439                    raw-names)))))

   440   ([] (party-names @current-state)))

   441 

   442 

   443 (defn rename-pokemon

   444   ([^SaveState state n new-name]

   445      (assert (<= 0 n (dec (party-number state))))

   446      (assert (<= (count new-name) max-name-length))

   447      (set-memory-range

   448       state

   449       (+ (* n name-width) pokemon-names-start)

   450       (concat (str->character-codes new-name) [end-of-name-marker])))

   451   ([n new-name]

   452      (rename-pokemon @current-state n new-name)))

   453 

   454 ;; on further analysis, it appears that the original

   455 ;; trainer info for each pokemon is also stored together,

   456 ;; starting at 0xD272 and continuing to 0xD2B3, with

   457 ;; 11 bytes reserved for each OT name.

   458 

   459 (def OT-start 0xD272)

   460 

   461 (defn original-trainers

   462   ([^SaveState state]

   463      (let [raw-names

   464            (subvec (vec (memory state))

   465                    OT-start

   466                    (+ OT-start

   467                       (* name-width 6)))]

   468        (map read-name

   469             (take (party-number state)

   470                   (partition name-width raw-names)))))

   471   ([] (original-trainers @current-state)))

   472        

   473 (defn set-original-trainer

   474   "Set the OT name for a pokemon.

   475    Note that a pokemon is still considered 'yours' if

   476    the OT ID is the same as your own."

   477   ([^SaveState state n new-name]

   478      (assert (<= 0 n (dec (party-number state))))

   479      (assert (<= (count new-name) max-name-length))

   480      (set-memory-range

   481       state

   482       (+ (* n name-width) OT-start)

   483       (concat (str->character-codes new-name) [end-of-name-marker])))

   484   ([n new-name]

   485      (set-original-trainer @current-state n new-name)))

   486 

   487 ;; PIKACHU stops following if you set it's OT to another name

   488 ;; and then back to you own.

   489 ;; But not if you set it to your own name, obviously.

   490 

   491 

   492 

   493 

   494 ;; OT ID Numbers.

   495 ;; My own id is 05195.  A quick search of memory between

   496 ;; 0xD162 and 0xD31B revealed the pattern 0x144B exactly

   497 ;; six times.

   498 

   499 ;; the locations were:

   500 

   501 (def OT-ID-addresses [0xD176 0xD1A2 0xD1CE 0xD1FA 0xD228 0xD252])

   502 

   503 

   504 (defn set-pokemon-id

   505   ([^SaveState state n new-id]

   506      (assert (<= 0 n (dec (party-number state))))

   507      (assert (<= 0 new-id 0xFFFF))

   508      (set-memory-range 

   509       state

   510       (OT-ID-addresses n)

   511       [(bit-shift-right (bit-and new-id 0xFF00) 8)

   512        (bit-and new-id 0xFF)

   513        ]))

   514   ([n new-id]

   515      (set-pokemon-id @current-state n new-id)))

   516 

   517 

   518
author	Robert McIntyre <rlm@mit.edu>
date	Tue, 20 Mar 2012 01:09:03 -0500
parents	ced1c4cd1eea
children	9ca350a476f0