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Cheat.cpp
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Cheat.cpp
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/*
* Project 64 - A Nintendo 64 emulator.
*
* (c) Copyright 2001 zilmar ([email protected]) and
* Jabo ([email protected]).
*
* pj64 homepage: www.pj64.net
*
* Permission to use, copy, modify and distribute Project64 in both binary and
* source form, for non-commercial purposes, is hereby granted without fee,
* providing that this license information and copyright notice appear with
* all copies and any derived work.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event shall the authors be held liable for any damages
* arising from the use of this software.
*
* Project64 is freeware for PERSONAL USE only. Commercial users should
* seek permission of the copyright holders first. Commercial use includes
* charging money for Project64 or software derived from Project64.
*
* The copyright holders request that bug fixes and improvements to the code
* should be forwarded to them so if they want them.
*
*/
#include <Windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <stdio.h>
#include <winuser.h>
#include <string.h>
#include "main.h"
#include "cheats.h"
#include "cpu.h"
#include "resource.h"
#define UM_CLOSE_CHEATS (WM_USER + 132)
#define UM_CHANGECODEEXTENSION (WM_USER + 101)
#define IDC_MYTREE 0x500
#define MaxCheats 500
#define SelectCheat 1
#define EditCheat 2
#define NewCheat 3
HWND hManageWindow = NULL;
HWND hSelectCheat, hAddCheat, hCheatTree;
CHEAT_CODES Codes[MaxCheats];
int NoOfCodes;
/*******************************************************************************************
Variables for Add Cheat
********************************************************************************************/
char codestring[2048];
char optionsstring[8192];
BOOL validname;
BOOL validcodes;
BOOL validoptions;
BOOL nooptions;
int codeformat;
int numcodes;
int numoptions;
int ReadCodeString (HWND hDlg);
void ReadOptionsString(HWND hDlg);
/********************************************************************************************/
BOOL CheatUsesCodeExtensions (char * CheatString);
void DeleteCheat ( int CheatNo );
BOOL GetCheatName ( int CheatNo, char * CheatName, int CheatNameLen );
BOOL LoadCheatExt ( char * CheatName, char * CheatExt, int MaxCheatExtLen);
void RefreshCheatManager ( void );
void RenameCheat ( int CheatNo );
void SaveCheat ( char * CheatName, BOOL Active );
void SaveCheatExt ( char * CheatName, char * CheatExt );
int _TreeView_GetCheckState(HWND hwndTreeView, HTREEITEM hItem);
BOOL _TreeView_SetCheckState(HWND hwndTreeView, HTREEITEM hItem, int State);
LRESULT CALLBACK ManageCheatsProc (HWND, UINT, WPARAM, LPARAM );
enum Dialog_State {
CONTRACTED,
EXPANDED
} DialogState;
enum Cheat_Type {
SIMPLE,
OPTIONS,
RANGE
} CheatType;
enum TV_CHECK_STATE{
TV_STATE_CLEAR,
TV_STATE_CHECKED,
TV_STATE_INDETERMINATE,
};
int MinSizeDlg;
int MaxSizeDlg;
void AddCheatExtension(int CheatNo, char * CheatName, int CheatNameLen) {
char *String = NULL, Identifier[100], CheatNumber[20];
LPSTR IniFileName = GetCheatIniFileName();
sprintf(Identifier,"%08X-%08X-C:%X",*(DWORD *)(&RomHeader[0x10]),*(DWORD *)(&RomHeader[0x14]),RomHeader[0x3D]);
sprintf(CheatNumber,"Cheat%d",CheatNo);
_GetPrivateProfileString2(Identifier,CheatNumber,"",&String,IniFileName);
//Add cheat extension to the end
if (CheatUsesCodeExtensions(String)) {
char CheatExt[200];
if (!LoadCheatExt(CheatName,CheatExt,sizeof(CheatExt))) { strcpy(CheatExt,"?"); }
sprintf(CheatName,"%s (=> %s)",CheatName,CheatExt);
}
if (String) { free(String); }
}
void ApplyGSButton (void) {
int count, count2;
DWORD Address;
for (count = 0; count < NoOfCodes; count++) {
for (count2 = 0; count2 < MaxGSEntries; count2++) {
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x88000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x89000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
default:
break;
}
}
}
}
/********************************************************************************************
ApplyCheats
Purpose: Patch codes into memory
Parameters: None
Returns: None
********************************************************************************************/
int ApplyCheatEntry (GAMESHARK_CODE * Code, BOOL Execute ) {
DWORD Address;
WORD Memory;
switch (Code->Command & 0xFF000000) {
case 0x50000000: // Added by Witten ([email protected])
{
int numrepeats = (Code->Command & 0x0000FF00) >> 8;
int offset = Code->Command & 0x000000FF;
int incr = Code->Value;
int count;
switch (Code[1].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Code[1].Command & 0xFFFFFF);
Memory = Code[1].Value;
for (count=0; count<numrepeats; count++) {
r4300i_SB_VAddr(Address, (BYTE)Memory);
Address += offset;
Memory += incr;
}
return 2;
case 0x81000000:
Address = 0x80000000 | (Code[1].Command & 0xFFFFFF);
Memory = Code[1].Value;
for (count=0; count<numrepeats; count++) {
r4300i_SH_VAddr(Address, (WORD)Memory);
Address += offset;
Memory += incr;
}
return 2;
default: return 1;
}
}
break;
case 0x80000000:
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
if (Execute) { r4300i_SB_VAddr(Address,(BYTE)Code->Value); }
break;
case 0x81000000:
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
if (Execute) { r4300i_SH_VAddr(Address,Code->Value); }
break;
case 0xA0000000:
Address = 0xA0000000 | (Code->Command & 0xFFFFFF);
if (Execute) { r4300i_SB_VAddr(Address,(BYTE)Code->Value); }
break;
case 0xA1000000:
Address = 0xA0000000 | (Code->Command & 0xFFFFFF);
if (Execute) { r4300i_SH_VAddr(Address,Code->Value); }
break;
case 0xD0000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
r4300i_LB_VAddr(Address, (BYTE*) &Memory);
Memory &= 0x00FF;
if (Memory != Code->Value) { Execute = FALSE; }
return ApplyCheatEntry(&Code[1],Execute) + 1;
case 0xD1000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
r4300i_LH_VAddr(Address, (WORD*) &Memory);
if (Memory != Code->Value) { Execute = FALSE; }
return ApplyCheatEntry(&Code[1],Execute) + 1;
case 0xD2000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
r4300i_LB_VAddr(Address, (BYTE*) &Memory);
Memory &= 0x00FF;
if (Memory == Code->Value) { Execute = FALSE; }
return ApplyCheatEntry(&Code[1],Execute) + 1;
case 0xD3000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Code->Command & 0xFFFFFF);
r4300i_LH_VAddr(Address, (WORD*) &Memory);
if (Memory == Code->Value) { Execute = FALSE; }
return ApplyCheatEntry(&Code[1],Execute) + 1;
case 0: return MaxGSEntries; break;
}
return 1;
}
void ApplyCheats (void) {
int CurrentCheat, CurrentEntry;
for (CurrentCheat = 0; CurrentCheat < NoOfCodes; CurrentCheat ++) {
for (CurrentEntry = 0; CurrentEntry < MaxGSEntries;) {
CurrentEntry += ApplyCheatEntry(&Codes[CurrentCheat].Code[CurrentEntry],TRUE);
}
}
}
/*void ApplyCheats (void) {
int count, count2, count3;
DWORD Address;
WORD Value; // Added by Witten ([email protected])
int numrepeats, offset, incr; // Added by Witten ([email protected])
for (count = 0; count < NoOfCodes; count ++) {
for (count2 = 0; count2 < MaxGSEntries; count2 ++) {
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x50000000: // Added by Witten ([email protected])
numrepeats = (Codes[count].Code[count2].Command & 0x0000FF00) >> 8;
offset = Codes[count].Code[count2].Command & 0x000000FF;
incr = Codes[count].Code[count2].Value;
count2++;
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
Value = Codes[count].Code[count2].Value;
for (count3=0; count3<numrepeats; count3++) {
r4300i_SB_VAddr(Address, (BYTE)Value);
Address += offset;
Value += incr;
}
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
Value = Codes[count].Code[count2].Value;
for (count3=0; count3<numrepeats; count3++) {
r4300i_SH_VAddr(Address, (WORD)Value);
Address += offset;
Value += incr;
}
break;
default:
break;
}
break;
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
case 0xA0000000:
Address = 0xA0000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0xA1000000:
Address = 0xA0000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
case 0xD0000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_LB_VAddr(Address, (BYTE*) &Value);
Value &= 0x00FF;
if (Value == Codes[count].Code[count2].Value) {
count2++;
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
default:
break;
}
}
else {
count2++;
break;
}
break;
case 0xD1000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_LH_VAddr(Address, (WORD*) &Value);
if (Value == Codes[count].Code[count2].Value) {
count2++;
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
default:
break;
}
}
else {
count2++;
break;
}
break;
case 0xD2000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_LB_VAddr(Address, (BYTE*) &Value);
Value &= 0x00FF;
if (Value != Codes[count].Code[count2].Value) {
count2++;
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
default:
break;
}
}
else {
count2++;
}
break;
case 0xD3000000: // Added by Witten ([email protected])
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_LH_VAddr(Address, (WORD*) &Value);
if (Value != Codes[count].Code[count2].Value) {
count2++;
switch (Codes[count].Code[count2].Command & 0xFF000000) {
case 0x80000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SB_VAddr(Address,(BYTE)Codes[count].Code[count2].Value);
break;
case 0x81000000:
Address = 0x80000000 | (Codes[count].Code[count2].Command & 0xFFFFFF);
r4300i_SH_VAddr(Address,Codes[count].Code[count2].Value);
break;
default:
break;
}
}
else {
count2++;
}
break;
case 0: count2 = MaxGSEntries; break;
}
}
}
}*/
void ChangeRomCheats(HWND hwndOwner) {
char OrigRomName[sizeof(RomName)], OrigFileName[sizeof(CurrentFileName)];
BYTE OrigByteHeader[sizeof(RomHeader)];
DWORD OrigFileSize;
//Load information about target rom and back up current information
strncpy(OrigRomName,RomName,sizeof(OrigRomName));
strncpy(OrigFileName,CurrentFileName,sizeof(OrigFileName));
memcpy(OrigByteHeader,RomHeader,sizeof(RomHeader));
strncpy(CurrentFileName,CurrentRBFileName,sizeof(CurrentFileName));
OrigFileSize = RomFileSize;
LoadRomHeader();
if (!RememberCheats) { DisableAllCheats(); }
ManageCheats(hwndOwner);
//Restore details
strncpy(RomName,OrigRomName,sizeof(RomName));
strncpy(CurrentFileName,OrigFileName,sizeof(CurrentFileName));
memcpy(RomHeader,OrigByteHeader,sizeof(RomHeader));
RomFileSize = OrigFileSize;
}
/********************************************************************************************
CheatActive
Purpose: Checks in registry if cheat is active
Parameters: char*
Name: name of cheat
Returns: Boolean
True: cheat is active
False: cheat isn't active or cheat isn't found in registry
********************************************************************************************/
BOOL CheatActive (char * Name) {
char String[300], Identifier[100];
HKEY hKeyResults = 0;
long lResult;
sprintf(Identifier,"%08X-%08X-C:%X",*(DWORD *)(&RomHeader[0x10]),*(DWORD *)(&RomHeader[0x14]),RomHeader[0x3D]);
sprintf(String,"Software\\N64 Emulation\\%s\\Cheats\\%s",AppName,Identifier);
lResult = RegOpenKeyEx( HKEY_CURRENT_USER,String,0, KEY_ALL_ACCESS,&hKeyResults); // check is game ID excists in registry
if (lResult == ERROR_SUCCESS) {
DWORD Type, Bytes, Active;
char GameName[300];
Bytes = sizeof(GameName);
lResult = RegQueryValueEx(hKeyResults,"Name",0,&Type,(LPBYTE)GameName,&Bytes); // get gamename from registry
Bytes = sizeof(Active);
lResult = RegQueryValueEx(hKeyResults,Name,0,&Type,(LPBYTE)(&Active),&Bytes); // get cheat-state from registry
RegCloseKey(hKeyResults);
if (lResult == ERROR_SUCCESS) { return Active; } // if no errors return active state
}
return FALSE;
}
/********************************************************************************************
CheatCodeExProc
Purpose: Message handler for
Parameters:
Returns:
********************************************************************************************/
LRESULT CALLBACK CheatsCodeExProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
static DWORD CheatNo;
switch (uMsg) {
case WM_INITDIALOG:
CheatNo = lParam;
{
char * String = NULL, Identifier[100], CheatName[300],CheatExt[300], * ReadPos;
LPSTR IniFileName;
DWORD len;
SetWindowText(hDlg, GS(CHEAT_CODE_EXT_TITLE));
SetDlgItemText(hDlg,IDC_NOTE, GS(CHEAT_CODE_EXT_TXT));
SetDlgItemText(hDlg,IDOK, GS(CHEAT_OK));
SetDlgItemText(hDlg,IDCANCEL, GS(CHEAT_CANCEL));
GetCheatName(CheatNo,CheatName,sizeof(CheatName));
SetDlgItemText(hDlg,IDC_CHEAT_NAME,CheatName);
LoadCheatExt(CheatName,CheatExt,sizeof(CheatExt));
IniFileName = GetCheatIniFileName();
sprintf(Identifier,"%08X-%08X-C:%X",*(DWORD *)(&RomHeader[0x10]),*(DWORD *)(&RomHeader[0x14]),RomHeader[0x3D]);
sprintf(CheatName,"Cheat%d_O",CheatNo);
_GetPrivateProfileString2(Identifier,CheatName,"",&String,IniFileName);
ReadPos = String;
while (strlen(ReadPos) > 0) {
int index;
if(strchr(ReadPos,',') == NULL) {
len = strlen(ReadPos);
} else {
len = strchr(ReadPos,',') - ReadPos;
}
if (len >= sizeof(CheatName)) { len = sizeof(CheatName) - 1; }
strncpy(CheatName,ReadPos,len);
CheatName[len] = 0;
index = SendMessage(GetDlgItem(hDlg,IDC_CHEAT_LIST),LB_ADDSTRING,0,(LPARAM)CheatName);
if (strcmp(CheatExt,CheatName) == 0) {
SendMessage(GetDlgItem(hDlg,IDC_CHEAT_LIST),LB_SETCURSEL,index,0);
}
if (strchr(ReadPos,',') == NULL) {
ReadPos += strlen(ReadPos);
} else {
ReadPos = strchr(ReadPos,',') + 1;
}
}
if (String) { free(String); }
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_CHEAT_LIST:
if (HIWORD(wParam) == LBN_DBLCLK) { PostMessage(hDlg,WM_COMMAND,IDOK,0); break; }
break;
case IDOK:
{
char CheatName[300], CheatExten[300];
int index;
index = SendMessage(GetDlgItem(hDlg,IDC_CHEAT_LIST),LB_GETCURSEL,0,0);
if (index < 0) { index = 0; }
GetDlgItemText(hDlg,IDC_CHEAT_NAME,CheatName,sizeof(CheatName));
index = SendMessage(GetDlgItem(hDlg,IDC_CHEAT_LIST),LB_GETTEXT,index,(LPARAM)CheatExten);
SaveCheatExt(CheatName,CheatExten);
LoadCheats();
}
EndDialog(hDlg,0);
break;
case IDCANCEL:
EndDialog(hDlg,0);
break;
}
default:
return FALSE;
}
return TRUE;
}
/********************************************************************************************
CheatCodeQuantProc
Purpose: Message handler for
Parameters:
Returns:
********************************************************************************************/
LRESULT CALLBACK CheatsCodeQuantProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
static WORD Start, Stop, SelStart, SelStop;
static DWORD CheatNo;
switch (uMsg) {
case WM_INITDIALOG:
CheatNo = lParam;
{
char * String = NULL, Identifier[100], CheatName[300],CheatExt[300], * ReadPos;
LPSTR IniFileName;
SetWindowText(hDlg, GS(IDD_Cheats_CodeEx));
SetDlgItemText(hDlg, IDC_DIGITAL_TEXT, GS(CHEAT_CHOOSE_VALUE));
SetDlgItemText(hDlg, IDC_VALUE_TEXT, GS(CHEAT_VALUE));
SetDlgItemText(hDlg, IDC_NOTES_TEXT, GS(CHEAT_NOTES));
IniFileName = GetCheatIniFileName();
sprintf(Identifier,"%08X-%08X-C:%X",*(DWORD *)(&RomHeader[0x10]),*(DWORD *)(&RomHeader[0x14]),RomHeader[0x3D]);
sprintf(CheatName,"Cheat%d_RN",CheatNo);
_GetPrivateProfileString2(Identifier,CheatName,"",&String,IniFileName);
SetDlgItemText(hDlg,IDC_NOTES,String);
sprintf(CheatName,"Cheat%d_R",CheatNo);
_GetPrivateProfileString2(Identifier,CheatName,"",&String,IniFileName);
Start = (WORD)(String[0] == '$'?AsciiToHex(&String[1]):atol(String));
ReadPos = strrchr(String,'-');
if (ReadPos != NULL) {
Stop = (WORD)(ReadPos[1] == '$'?AsciiToHex(&ReadPos[2]):atol(&ReadPos[1]));
} else {
Stop = 0;
}
GetCheatName(CheatNo,CheatName,sizeof(CheatName));
SetDlgItemText(hDlg,IDC_CHEAT_NAME,CheatName);
LoadCheatExt(CheatName,CheatExt,sizeof(CheatExt));
SetDlgItemText(hDlg,IDC_VALUE,CheatExt);
sprintf(CheatExt,"%s $%X %s $%X",GS(CHEAT_FROM),Start,GS(CHEAT_TO),Stop);
SetDlgItemText(hDlg,IDC_RANGE,CheatExt);
if (String) { free(String); }
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_VALUE:
if (HIWORD(wParam) == EN_UPDATE) {
TCHAR szTmp[10], szTmp2[10];
DWORD Value;
GetDlgItemText(hDlg,IDC_VALUE,szTmp,sizeof(szTmp));
Value = szTmp[0] =='$'?AsciiToHex(&szTmp[1]):AsciiToHex(szTmp);
if (Value > Stop) { Value = Stop; }
if (Value < Start) { Value = Start; }
sprintf(szTmp2,"$%X",Value);
if (strcmp(szTmp,szTmp2) != 0) {
SetDlgItemText(hDlg,IDC_VALUE,szTmp2);
if (SelStop == 0) { SelStop = strlen(szTmp2); SelStart = SelStop; }
SendDlgItemMessage(hDlg,IDC_VALUE,EM_SETSEL,(WPARAM)SelStart,(LPARAM)SelStop);
} else {
WORD NewSelStart, NewSelStop;
SendDlgItemMessage(hDlg,IDC_VALUE,EM_GETSEL,(WPARAM)&NewSelStart,(LPARAM)&NewSelStop);
if (NewSelStart != 0) { SelStart = NewSelStart; SelStop = NewSelStop; }
}
}
break;
case IDOK:
{
TCHAR CheatName[300], CheatExten[300], szTmp[10];
DWORD Value;
GetDlgItemText(hDlg,IDC_VALUE,szTmp,sizeof(szTmp));
Value = szTmp[0] =='$'?AsciiToHex(&szTmp[1]):AsciiToHex(szTmp);
if (Value > Stop) { Value = Stop; }
if (Value < Start) { Value = Start; }
GetDlgItemText(hDlg,IDC_CHEAT_NAME,CheatName,sizeof(CheatName));
sprintf(CheatExten,"$%X",Value);
SaveCheatExt(CheatName,CheatExten);
LoadCheats();
}
EndDialog(hDlg,0);
break;
case IDCANCEL:
EndDialog(hDlg,0);
break;
}
default:
return FALSE;
}
return TRUE;
}
/********************************************************************************************
CheatUsesCodeExtensions
Purpose:
Parameters:
Returns:
********************************************************************************************/
BOOL CheatUsesCodeExtensions (char * CheatString) {
BOOL CodeExtension;
DWORD count, len;
char * ReadPos;
if (strlen(CheatString) == 0){ return FALSE; }
if (strchr(CheatString,'"') == NULL) { return FALSE; }
len = strrchr(CheatString,'"') - strchr(CheatString,'"') - 1;
ReadPos = strrchr(CheatString,'"') + 2;
CodeExtension = FALSE;
for (count = 0; count < MaxGSEntries && CodeExtension == FALSE; count ++) {
if (strchr(ReadPos,' ') == NULL) { break; }
ReadPos = strchr(ReadPos,' ') + 1;
if (ReadPos[0] == '?' && ReadPos[1]== '?') { CodeExtension = TRUE; }
if (ReadPos[2] == '?' && ReadPos[3]== '?') { CodeExtension = TRUE; }
if (strchr(ReadPos,',') == NULL) { continue; }
ReadPos = strchr(ReadPos,',') + 1;
}
return CodeExtension;
}
int ReadCodeString (HWND hDlg) {
int numlines, linecount, len;
char str[128];
int i;
char* formatnormal = "XXXXXXXX XXXX";
char* formatoptionlb = "XXXXXXXX XX??";
char* formatoptionw = "XXXXXXXX ????";
char tempformat[128];
validcodes = TRUE;
nooptions = TRUE;
codeformat = -1;
numcodes = 0;
memset(codestring, '\0', 2048);
numlines = SendDlgItemMessage(hDlg, IDC_CHEAT_CODES, EM_GETLINECOUNT, 0, 0);
if (numlines == 0) { validcodes = FALSE; }
for (linecount=0; linecount<numlines; linecount++) //read line after line (bypassing limitation GetDlgItemText)
{
memset(tempformat, 0, sizeof(tempformat));
//str[0] = sizeof(str) > 255?255:sizeof(str);
*(LPWORD)str = sizeof(str);
len = SendDlgItemMessage(hDlg, IDC_CHEAT_CODES, EM_GETLINE, (WPARAM)linecount, (LPARAM)(LPCSTR)str);
str[len] = 0;
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
tempformat[i] = 'X';
}
if ((str[i] == ' ') || (str[i] == '?')) {
tempformat[i] = str[i];
}
if (str[i] == 0) { break; }
}
if (strcmp(tempformat, formatnormal) == 0) {
strcat(codestring, ",");
strcat(codestring, str);
numcodes++;
if (codeformat < 0) codeformat = 0;
}
else if (strcmp(tempformat, formatoptionlb) == 0) {
if (codeformat != 2) {
strcat(codestring, ",");
strcat(codestring, str);
numcodes++;
codeformat = 1;
nooptions = FALSE;
validoptions = FALSE;
}
else validcodes = FALSE;
}
else if (strcmp(tempformat, formatoptionw) == 0) {
if (codeformat != 1) {
strcat(codestring, ",");
strcat(codestring, str);
numcodes++;
codeformat = 2;
nooptions = FALSE;
validoptions = FALSE;
}
else validcodes = FALSE;
}
else {
validcodes = FALSE;
}
}
return 0;
}
void ReadOptionsString(HWND hDlg)
{
int numlines, linecount, len;
char str[128];
int i, j;
int leftorder = 0;
int rightorder = 0;
validoptions = TRUE;
numoptions = 0;
memset(optionsstring, '\0', 2048);
numlines = SendDlgItemMessage(hDlg, IDC_CHEAT_OPTIONS, EM_GETLINECOUNT, 0, 0);
for (linecount=0; linecount<numlines; linecount++) //read line after line (bypassing limitation GetDlgItemText)
{
memset(str,0,sizeof(str));
//str[0] = sizeof(str) > 255?255:sizeof(str);
*(LPWORD)str = sizeof(str);
len = SendDlgItemMessage(hDlg, IDC_CHEAT_OPTIONS, EM_GETLINE, (WPARAM)linecount, (LPARAM)(LPCSTR)str);
str[len] = 0;
if (len > 0) {
switch (codeformat) {
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')))) {
validoptions = FALSE;
break;
}
}
if ((str[2] != ' ') && (len > 2)) {
validoptions = FALSE;
break;
}
for (j=0; j<2; j++) {
str[j] = toupper(str[j]);
}
strcat(optionsstring, ",$");
strcat(optionsstring, str);
numoptions++;
}
else {
validoptions = FALSE;
break;
}
break;
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')))) {
validoptions = FALSE;
break;
}
}
if (str[4] != ' ' && (len > 4)) {
validoptions = FALSE;
break;
}
for (j=0; j<4; j++) {
str[j] = toupper(str[j]);
}
strcat(optionsstring, ",$");
strcat(optionsstring, str);
numoptions++;
}
else {
validoptions = FALSE;
break;
}
break;
default:
break;
}
}
}
if (numoptions < 1) validoptions = FALSE;
}
/********************************************************************************************
CheatAddProc
Purpose:
Parameters:
Returns:
********************************************************************************************/
LRESULT CALLBACK CheatAddProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
char str[1024];
switch (uMsg) {
case WM_INITDIALOG:
SetWindowText(hDlg,GS(CHEAT_ADDCHEAT_FRAME));
SetWindowText(GetDlgItem(hDlg,IDC_NAME),GS(CHEAT_ADDCHEAT_NAME));
SetWindowText(GetDlgItem(hDlg,IDC_CODE),GS(CHEAT_ADDCHEAT_CODE));
SetWindowText(GetDlgItem(hDlg,IDC_LABEL_OPTIONS),GS(CHEAT_ADDCHEAT_OPT));
SetWindowText(GetDlgItem(hDlg,IDC_CODE_DES),GS(CHEAT_ADDCHEAT_CODEDES));
SetWindowText(GetDlgItem(hDlg,IDC_LABEL_OPTIONS_FORMAT),GS(CHEAT_ADDCHEAT_OPTDES));
SetWindowText(GetDlgItem(hDlg,IDC_CHEATNOTES),GS(CHEAT_ADDCHEAT_NOTES));
SetWindowText(GetDlgItem(hDlg,IDC_NEWCHEAT),GS(CHEAT_ADDCHEAT_NEW));
SetWindowText(GetDlgItem(hDlg,IDC_ADD),GS(CHEAT_ADDCHEAT_ADD));
validcodes = FALSE;
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
EndDialog(hDlg,0);
break;
case IDC_CODE_NAME:
if (HIWORD(wParam) == EN_CHANGE) {
if (validcodes && (validoptions || nooptions) && SendDlgItemMessage(hDlg,IDC_CODE_NAME,EM_LINELENGTH,0,0) > 0){
EnableWindow(GetDlgItem(hDlg, IDC_ADD), TRUE);
}
else {
EnableWindow(GetDlgItem(hDlg, IDC_ADD), FALSE);
}
}
break;
case IDC_CHEAT_CODES:
if (HIWORD(wParam) == EN_CHANGE) {
ReadCodeString(hDlg);
GetDlgItemText(hDlg, IDC_CHEAT_CODES, str, 1024);
if ((codeformat > 0) && !IsWindowEnabled(GetDlgItem(hDlg, IDC_LABEL_OPTIONS)) ) {
EnableWindow(GetDlgItem(hDlg, IDC_LABEL_OPTIONS), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_LABEL_OPTIONS_FORMAT), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_CHEAT_OPTIONS), TRUE);
}
if ((codeformat <= 0) && IsWindowEnabled(GetDlgItem(hDlg, IDC_LABEL_OPTIONS)) ) {
EnableWindow(GetDlgItem(hDlg, IDC_LABEL_OPTIONS), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_LABEL_OPTIONS_FORMAT), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_CHEAT_OPTIONS), FALSE);
}
if (!nooptions) ReadOptionsString(hDlg);
if (validcodes && (validoptions || nooptions) && SendDlgItemMessage(hDlg,IDC_CODE_NAME,EM_LINELENGTH,0,0) > 0){
EnableWindow(GetDlgItem(hDlg, IDC_ADD), TRUE);
}
else {
EnableWindow(GetDlgItem(hDlg, IDC_ADD), FALSE);
}
}
break;
case IDC_CHEAT_OPTIONS:
if (HIWORD(wParam) == EN_CHANGE) {
ReadOptionsString(hDlg);
if (validcodes && (validoptions || nooptions) && SendDlgItemMessage(hDlg,IDC_CODE_NAME,EM_LINELENGTH,0,0) > 0){
EnableWindow(GetDlgItem(hDlg, IDC_ADD), TRUE);
}
else {
EnableWindow(GetDlgItem(hDlg, IDC_ADD), FALSE);
}
}
break;
case IDC_ADD:
{
char Identifier[100], CheatName[200], NewCheatName[200], * cheat;
int CheatLen, count, CheatNo;
LPSTR IniFileName;
GetDlgItemText(hDlg,IDC_CODE_NAME,NewCheatName,sizeof(NewCheatName));
for (count = 0; count < MaxCheats; count ++) {
GetCheatName(count,CheatName,sizeof(CheatName));
if (strlen(CheatName) == 0) {
CheatNo = count;
break;
}
if (strcmp(CheatName,NewCheatName) == 0) {
MessageBox(hDlg,"Cheat Name is already in use","Error",MB_OK|MB_ICONERROR);
DisplayError(GS(MSG_CHEAT_NAME_IN_USE));
SetFocus(GetDlgItem(hDlg,IDC_CODE_NAME));
return TRUE;
}
}
if (count == MaxCheats) {
DisplayError(GS(MSG_MAX_CHEATS));
return TRUE;
}
CheatLen = strlen(NewCheatName) + strlen(codestring);
cheat = (char*)malloc(CheatLen + 3);
sprintf(cheat,"\"%s\"",NewCheatName);
strcat(cheat, codestring);
//Add to ini
IniFileName = GetCheatIniFileName();
sprintf(Identifier,"%08X-%08X-C:%X",*(DWORD *)(&RomHeader[0x10]),*(DWORD *)(&RomHeader[0x14]),RomHeader[0x3D]);
_WritePrivateProfileString(Identifier,"Name",RomName,IniFileName);
sprintf(NewCheatName,"Cheat%d",CheatNo);
_WritePrivateProfileString(Identifier,NewCheatName,cheat,IniFileName);
if (cheat) { free(cheat); cheat = NULL; }
if (validoptions) {
cheat = (char*)malloc(strlen(optionsstring) + 1);
strcpy(cheat, optionsstring+1);
sprintf(NewCheatName,"Cheat%d_O",CheatNo);
_WritePrivateProfileString(Identifier,NewCheatName,cheat,IniFileName);
if (cheat) { free(cheat); cheat = NULL; }
}
CheatLen = SendDlgItemMessage(hDlg,IDC_NOTES,WM_GETTEXTLENGTH,0,0) + 5;
if (CheatLen > 5) {
cheat = (char*)malloc(CheatLen);
GetDlgItemText(hDlg,IDC_NOTES,cheat,CheatLen);
sprintf(NewCheatName,"Cheat%d_N",CheatNo);
_WritePrivateProfileString(Identifier,NewCheatName,cheat,IniFileName);
if (cheat) { free(cheat); cheat = NULL; }
}
RefreshCheatManager();
SetDlgItemText(hDlg,IDC_CODE_NAME,"");
SetDlgItemText(hDlg,IDC_CHEAT_CODES,"");
SetDlgItemText(hDlg,IDC_CHEAT_OPTIONS,"");
SetDlgItemText(hDlg,IDC_NOTES,"");
EnableWindow(GetDlgItem(hDlg, IDC_ADD), FALSE);
}
break;
case IDC_NEWCHEAT:
{
SetDlgItemText(hDlg,IDC_CODE_NAME,"");
SetDlgItemText(hDlg,IDC_CHEAT_CODES,"");
SetDlgItemText(hDlg,IDC_CHEAT_OPTIONS,"");
SetDlgItemText(hDlg,IDC_NOTES,"");
EnableWindow(GetDlgItem(hDlg, IDC_ADD), FALSE);
}
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
LRESULT CALLBACK CheatEditProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
static int CheatNo;
switch (uMsg) {
case WM_INITDIALOG:
SetWindowText(hDlg,GS(CHEAT_EDITCHEAT_WINDOW));
SetWindowText(GetDlgItem(hDlg,IDC_NAME),GS(CHEAT_ADDCHEAT_NAME));
SetWindowText(GetDlgItem(hDlg,IDC_CODE),GS(CHEAT_ADDCHEAT_CODE));
SetWindowText(GetDlgItem(hDlg,IDC_LABEL_OPTIONS),GS(CHEAT_ADDCHEAT_OPT));
SetWindowText(GetDlgItem(hDlg,IDC_CODE_DES),GS(CHEAT_ADDCHEAT_CODEDES));
SetWindowText(GetDlgItem(hDlg,IDC_LABEL_OPTIONS_FORMAT),GS(CHEAT_ADDCHEAT_OPTDES));