Cool_Tools/FFBArcadePlugin
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Modify so Nascar Racing will work on any version of demul

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This commit is contained in:
Aaron M 2020-05-23 18:24:31 +12:00
parent 745e7efd2b
commit 9b9742bc62
4 changed files with 104 additions and 3 deletions
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86
Common Files/SignatureScanning.h Normal file
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@ -0,0 +1,86 @@
#include <Windows.h>
static char* aAddy;
static char* aAddy2;
static char* InScan(char* pattern, char* mask, char* begin, unsigned int size)
{
unsigned int patternLength = strlen(mask);
for (unsigned int i = 0; i < size - patternLength; i++)
{
bool found = true;
for (unsigned int j = 0; j < patternLength; j++)
{
if (mask[j] != '?' && pattern[j] != *(begin + i + j))
{
found = false;
break;
}
}
if (found)
{
return (begin + i);
}
}
return 0;
}
static char* PatternScan(char* pattern, char* mask)
{
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
__int64 end = (__int64)sysInfo.lpMaximumApplicationAddress;
char* currentChunk = 0;
char* match = nullptr;
SIZE_T bytesRead;
while (currentChunk < (char*)end)
{
MEMORY_BASIC_INFORMATION mbi;
HANDLE process = GetCurrentProcess();
if (!VirtualQueryEx(process, currentChunk, &mbi, sizeof(mbi)))
{
return 0;
}
char* buffer = 0;
if (mbi.State == MEM_COMMIT && mbi.Protect != PAGE_NOACCESS)
{
buffer = new char[mbi.RegionSize];
DWORD oldprotect;
if (VirtualProtectEx(process, mbi.BaseAddress, mbi.RegionSize, PAGE_EXECUTE_READWRITE, &oldprotect))
{
ReadProcessMemory(process, mbi.BaseAddress, buffer, mbi.RegionSize, &bytesRead);
VirtualProtectEx(process, mbi.BaseAddress, mbi.RegionSize, oldprotect, &oldprotect);
char* internalAddress = InScan(pattern, mask, buffer, bytesRead);
if (internalAddress != 0)
{
__int64 offsetFromBuffer = internalAddress - buffer;
match = currentChunk + offsetFromBuffer;
if (match != aAddy2)
{
delete[] buffer;
buffer = 0;
break;
}
}
}
}
currentChunk = currentChunk + mbi.RegionSize;
if (buffer) delete[] buffer;
buffer = 0;
}
return match;
}

1
Dinput8Wrapper.vcxproj
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@ -19,6 +19,7 @@
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Common Files\SignatureScanning.h" />
<ClInclude Include="Game Files\AliensExtermination.h" />
<ClInclude Include="Game Files\Batman.h" />
<ClInclude Include="Game Files\DirtyDrivin.h" />

3
Dinput8Wrapper.vcxproj.filters
View File

@ -275,6 +275,9 @@
<ClInclude Include="Game Files\R-Tuned.h">
<Filter>Common Header Files</Filter>
</ClInclude>
<ClInclude Include="Common Files\SignatureScanning.h">
<Filter>Common Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<MASM Include="DLLWrapper.asm" />

17
Game Files/Demul.cpp
View File

@ -18,6 +18,10 @@ along with FFB Arcade Plugin.If not, see < https://www.gnu.org/licenses/>.
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include "../Common Files/SignatureScanning.h"
static bool FFBGameInit = false;
static INT_PTR FFBAddress;
int nascar(int ffnas) {
switch (ffnas) {
@ -118,13 +122,20 @@ void Demul::FFBLoop(EffectConstants* constants, Helpers* helpers, EffectTriggers
{
if (!EnumWindows(FindWindowBySubstr, (LPARAM)substring))
{
UINT8 ffnas = helpers->ReadByte(0x30060C, /* isRelativeOffset */ true); //Nascar Arcade
if (!FFBGameInit)
{
FFBGameInit = true;
aAddy2 = PatternScan("\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x50\x72\x6F\x64\x75\x63\x65\x64\x20\x42\x79\x20", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
FFBAddress = (int)aAddy2 - 0x2F0;
}
UINT8 ffnas = helpers->ReadByte(FFBAddress, false); //Nascar Arcade
std::string ffs = std::to_string(ffnas);
helpers->log((char*)ffs.c_str());
helpers->log("got value: ");
ffnascar = nascar(ffnas);
if ((ffnascar > 16)& (ffnascar < 33))
if ((ffnascar > 0x10) && (ffnascar < 0x21))
{
helpers->log("moving wheel left");
double percentForce = (ffnascar - 16) / 16.0;
@ -132,7 +143,7 @@ void Demul::FFBLoop(EffectConstants* constants, Helpers* helpers, EffectTriggers
triggers->Rumble(percentForce, 0, percentLength);
triggers->Constant(constants->DIRECTION_FROM_LEFT, percentForce);
}
else if ((ffnascar > 0)& (ffnascar < 17))
else if ((ffnascar > 0x00) && (ffnascar < 0x11))
{
helpers->log("moving wheel right");
double percentForce = (17 - ffnascar) / 16.0;