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