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libretro: Simplify cheats, add multiline support for GB/GBC

This commit is contained in:
retro-wertz 2018-12-01 07:24:54 +08:00
parent a2d5c260ec
commit ca56ccffeb
1 changed files with 61 additions and 90 deletions
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151
src/libretro/libretro.cpp
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@ -1,4 +1,3 @@
#include <ctype.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -36,8 +35,6 @@
#define RETRO_DEVICE_GBA_ALT1 RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 1) #define RETRO_DEVICE_GBA_ALT1 RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 1)
#define RETRO_DEVICE_GBA_ALT2 RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 2) #define RETRO_DEVICE_GBA_ALT2 RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 2)
#define ISHEXDEC ((codeLine[cursor]>='0') && (codeLine[cursor]<='9')) || ((codeLine[cursor]>='a') && (codeLine[cursor]<='f')) || ((codeLine[cursor]>='A') && (codeLine[cursor]<='F'))
static retro_log_printf_t log_cb; static retro_log_printf_t log_cb;
static retro_video_refresh_t video_cb; static retro_video_refresh_t video_cb;
static retro_input_poll_t poll_cb; static retro_input_poll_t poll_cb;
@ -1122,102 +1119,76 @@ void retro_cheat_reset(void)
gbCheatRemoveAll(); gbCheatRemoveAll();
} }
#define ISHEXDEC \
((code[cursor] >= '0') && (code[cursor] <= '9')) || \
((code[cursor] >= 'a') && (code[cursor] <= 'f')) || \
((code[cursor] >= 'A') && (code[cursor] <= 'F')) || \
(code[cursor] == '-') \
void retro_cheat_set(unsigned index, bool enabled, const char* code) void retro_cheat_set(unsigned index, bool enabled, const char* code)
{ {
/* // 2018-11-30 - retrowertz
const char *begin, *c; // added support GB/GBC multiline 6/9 digit Game Genie codes and Game Shark
begin = c = code; char name[128] = {0};
unsigned cursor = 0;
char *codeLine = NULL;
int codeLineSize = strlen(code) + 5;
int codePos = 0;
int i = 0;
if (!code) codeLine = (char *)calloc(codeLineSize, sizeof(char));
return; sprintf(name, "cheat_%d", index);
for (cursor = 0;; cursor++) {
do { if (ISHEXDEC) {
if (*c != '+' && *c != '\0') codeLine[codePos++] = toupper(code[cursor]);
continue; } else {
switch (type) {
char buf[32] = {0}; case IMAGE_GB:
int len = c - begin; if (codePos >= 7) {
int i; if (codePos == 7 || codePos == 11) {
codeLine[codePos] = '\0';
// make sure it's using uppercase letters if (gbAddGgCheat(codeLine, name))
for (i = 0; i < len; i++) log("Cheat code added: '%s'\n", codeLine);
buf[i] = toupper(begin[i]); } else if (codePos == 8) {
buf[i] = 0; codeLine[codePos] = '\0';
if (gbAddGsCheat(codeLine, name))
begin = ++c; log("Cheat code added: '%s'\n", codeLine);
} else {
if (len == 16) codeLine[codePos] = '\0';
cheatsAddGSACode(buf, "", false); log("Invalid cheat code '%s'\n", codeLine);
else { }
char *space = strrchr(buf, ' '); codePos = 0;
if (space != NULL) { memset(codeLine, 0, codeLineSize);
if ((buf + len - space - 1) == 4)
cheatsAddCBACode(buf, "");
else {
memmove(space, space+1, strlen(space+1)+1);
cheatsAddGSACode(buf, "", true);
}
} else if (log_cb)
log_cb(RETRO_LOG_ERROR, "[VBA] Invalid cheat code '%s'\n", buf);
}
} while (*c++);
*/
std::string codeLine = code;
std::string name = "cheat_" + index;
int matchLength = 0;
std::vector<std::string> codeParts;
int cursor;
if (type == IMAGE_GBA) {
//Break the code into Parts
for (cursor = 0;; cursor++) {
if (ISHEXDEC)
matchLength++;
else {
if (matchLength) {
if (matchLength > 8) {
codeParts.push_back(codeLine.substr(cursor - matchLength, 8));
codeParts.push_back(codeLine.substr(cursor - matchLength + 8, matchLength - 8));
} else
codeParts.push_back(codeLine.substr(cursor - matchLength, matchLength));
matchLength = 0;
} }
break;
case IMAGE_GBA:
if (codePos >= 12) {
if (codePos == 12 ) {
for (i = 0; i < 4 ; i++)
codeLine[codePos - i] = codeLine[(codePos - i) - 1];
codeLine[8] = ' ';
codeLine[13] = '\0';
cheatsAddCBACode(codeLine, name);
log("Cheat code added: '%s'\n", codeLine);
} else if (codePos == 16) {
codeLine[16] = '\0';
cheatsAddGSACode(codeLine, name, true);
log("Cheat code added: '%s'\n", codeLine);
} else {
codeLine[codePos] = '\0';
log("Invalid cheat code '%s'\n", codeLine);
}
codePos = 0;
memset(codeLine, 0, codeLineSize);
}
break;
} }
if (!codeLine[cursor]) if (!code[cursor])
break; break;
} }
//Add to core
for (cursor = 0; cursor < codeParts.size(); cursor += 2) {
std::string codeString;
codeString += codeParts[cursor];
if (codeParts[cursor + 1].length() == 8) {
codeString += codeParts[cursor + 1];
cheatsAddGSACode(codeString.c_str(), name.c_str(), true);
} else if (codeParts[cursor + 1].length() == 4) {
codeString += " ";
codeString += codeParts[cursor + 1];
cheatsAddCBACode(codeString.c_str(), name.c_str());
} else {
codeString += " ";
codeString += codeParts[cursor + 1];
log_cb(RETRO_LOG_ERROR, "Invalid cheat code '%s'\n", codeString.c_str());
}
log_cb(RETRO_LOG_INFO, "Cheat code added: '%s'\n", codeString.c_str());
}
} else if (type == IMAGE_GB) {
if (codeLine.find("-") != std::string::npos) {
if (gbAddGgCheat(code, ""))
log_cb(RETRO_LOG_INFO, "Cheat code added: '%s'\n", codeLine.c_str());
} else {
if (gbAddGsCheat(code, ""))
log_cb(RETRO_LOG_INFO, "Cheat code added: '%s'\n", codeLine.c_str());
}
} }
free(codeLine);
} }
static void update_input_descriptors(void) static void update_input_descriptors(void)