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Merge pull request #411 from cxd4/nub_lern_2_cheet 

optimized cheat codes parsing a little bit
This commit is contained in:
zilmar 2015-04-21 08:49:56 +10:00
parent 04ce2a51ae 8df2172495
commit 2bb9ac0754
1 changed files with 18 additions and 6 deletions
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24
Source/Project64/N64 System/Cheat Class.cpp
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@ -15,6 +15,21 @@
enum { WM_EDITCHEAT = WM_USER + 0x120 };
enum { UM_CHANGECODEEXTENSION = WM_USER + 0x121 };
static int is_valid_hex_digit(char symbol)
{
if (symbol < '0')
return 0; /* no valid hex figures before '0' */
if (symbol <= '9')
return 1;
symbol &= ~('X' ^ 'x'); /* in ASCII, forces lowercase to uppercase */
if (symbol < 'A')
return 0;
if (symbol <= 'F')
return 1;
return 0;
}
CCheats::CCheats (const CN64Rom * Rom ) :
m_Rom(Rom),
m_rcList(new RECT),
@ -1771,7 +1786,7 @@ stdstr CCheats::ReadCodeString (HWND hDlg, bool &validcodes, bool &validoptions,
if (len <= 0) { continue; }
for (i=0; i<128; i++) {
if (((str[i] >= 'A') && (str[i] <= 'F')) || ((str[i] >= '0') && (str[i] <= '9'))) { // Is hexvalue
if (is_valid_hex_digit(str[i])) {
tempformat[i] = 'X';
}
if ((str[i] == ' ') || (str[i] == '?')) {
@ -1845,7 +1860,7 @@ stdstr CCheats::ReadOptionsString(HWND hDlg, bool &/*validcodes*/, bool &validop
case 1: //option = lower byte
if (len >= 2) {
for (i=0; i<2; i++) {
if (!(((str[i] >= 'a') && (str[i] <= 'f')) || ((str[i] >= 'A') && (str[i] <= 'F')) || ((str[i] >= '0') && (str[i] <= '9')))) {
if (!is_valid_hex_digit(str[i])) {
validoptions = false;
break;
}
@ -1878,7 +1893,7 @@ stdstr CCheats::ReadOptionsString(HWND hDlg, bool &/*validcodes*/, bool &validop
case 2: //option = word
if (len >= 4) {
for (i=0; i<4; i++) {
if (!(((str[i] >= 'a') && (str[i] <= 'f')) || ((str[i] >= 'A') && (str[i] <= 'F')) || ((str[i] >= '0') && (str[i] <= '9')))) {
if (!is_valid_hex_digit(str[i])) {
validoptions = false;
break;
}
@ -1912,6 +1927,3 @@ stdstr CCheats::ReadOptionsString(HWND hDlg, bool &/*validcodes*/, bool &validop
if (numoptions < 1) validoptions = false;
return optionsstring;
}