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https://github.com/CTCaer/RetroArch.git
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correct evaluation of genesis md5 hashes
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d132cfac7c
commit
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47
cheevos.c
47
cheevos.c
@ -17,22 +17,21 @@
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#include <ctype.h>
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#include <formats/jsonsax.h>
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#include <rhash.h>
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#include <retro_file.h>
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#include <rhash.h>
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#include <retro_log.h>
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#include <rthreads/async_job.h>
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#include "cheevos.h"
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#include "dynamic.h"
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#include "net_http_special.h"
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#include "configuration.h"
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#include "performance.h"
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#include "runloop.h"
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enum
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{
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CHEEVOS_VAR_SIZE_BIT_0 = 0,
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CHEEVOS_VAR_SIZE_BIT_0,
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CHEEVOS_VAR_SIZE_BIT_1,
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CHEEVOS_VAR_SIZE_BIT_2,
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CHEEVOS_VAR_SIZE_BIT_3,
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@ -52,7 +51,7 @@ enum
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enum
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{
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CHEEVOS_VAR_TYPE_ADDRESS = 0, /* compare to the value of a live address in RAM */
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CHEEVOS_VAR_TYPE_ADDRESS, /* compare to the value of a live address in RAM */
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CHEEVOS_VAR_TYPE_VALUE_COMP, /* a number. assume 32 bit */
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CHEEVOS_VAR_TYPE_DELTA_MEM, /* the value last known at this address. */
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CHEEVOS_VAR_TYPE_DYNAMIC_VAR, /* a custom user-set variable */
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@ -62,7 +61,7 @@ enum
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enum
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{
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CHEEVOS_COND_OP_EQUALS = 0,
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CHEEVOS_COND_OP_EQUALS,
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CHEEVOS_COND_OP_LESS_THAN,
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CHEEVOS_COND_OP_LESS_THAN_OR_EQUAL,
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CHEEVOS_COND_OP_GREATER_THAN,
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@ -74,7 +73,7 @@ enum
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enum
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{
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CHEEVOS_COND_TYPE_STANDARD = 0,
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CHEEVOS_COND_TYPE_STANDARD,
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CHEEVOS_COND_TYPE_PAUSE_IF,
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CHEEVOS_COND_TYPE_RESET_IF,
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@ -883,6 +882,8 @@ Test all the achievements (call once per frame).
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static const uint8_t *get_memory(unsigned offset)
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{
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static const uint8_t zeroes[4] = {0};
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size_t size = core.retro_get_memory_size( RETRO_MEMORY_SYSTEM_RAM );
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uint8_t *memory;
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@ -919,7 +920,7 @@ static const uint8_t *get_memory(unsigned offset)
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return memory + offset;
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}
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return NULL;
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return zeroes;
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}
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static unsigned get_var_value(cheevos_var_t *var)
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@ -1501,6 +1502,7 @@ static int cheevos_deactivate_unlocks(unsigned game_id, retro_time_t *timeout)
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return -1;
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}
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#define CHEEVOS_SIX_MB (6 * 1024 * 1024)
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#define CHEEVOS_EIGHT_MB (8 * 1024 * 1024)
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static size_t cheevos_eval_md5(const struct retro_game_info *info, MD5_CTX *ctx)
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@ -1598,12 +1600,41 @@ static unsigned cheevos_find_game_id_snes(const struct retro_game_info *info, re
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return cheevos_get_game_id(hash, &to);
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}
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static unsigned cheevos_find_game_id_genesis(const struct retro_game_info *info, retro_time_t timeout)
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{
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MD5_CTX ctx;
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uint8_t hash[16];
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retro_time_t to;
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size_t size;
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size = cheevos_eval_md5(info, &ctx);
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if (!size)
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{
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MD5_Final(hash, &ctx);
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return 0;
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}
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cheevos_fill_md5(size, CHEEVOS_SIX_MB, &ctx);
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MD5_Final(hash, &ctx);
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to = timeout;
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return cheevos_get_game_id(hash, &to);
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}
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static unsigned cheevos_find_game_id_nes(const struct retro_game_info *info, retro_time_t timeout)
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{
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return 0;
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}
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int cheevos_load(const struct retro_game_info *info)
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{
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static const cheevos_id_finder_t finders[] =
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{
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cheevos_find_game_id_genesis,
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cheevos_find_game_id_generic,
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cheevos_find_game_id_snes
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cheevos_find_game_id_snes,
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cheevos_find_game_id_nes,
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};
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retro_time_t timeout = 5000000;
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