89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
#include <string>
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#include "StormRacerG.h"
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static EffectTriggers* myTriggers;
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static EffectConstants* myConstants;
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static Helpers* myHelpers;
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static bool init = false;
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static void __cdecl UsbIO_SetSeatShakeImpluse(int a1, int a2, float a3, bool a4)
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{
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double percentForce = a1 / 1200.0;
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myTriggers->Rumble(percentForce, percentForce, 150);
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return;
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}
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static bool Hook(void* toHook, void* ourFunct, int len) {
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if (len < 5) {
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return false;
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}
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DWORD curProtection;
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VirtualProtect(toHook, len, PAGE_EXECUTE_READWRITE, &curProtection);
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memset(toHook, 0x90, len);
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DWORD relativeAddress = ((DWORD)ourFunct - (DWORD)toHook) - 5;
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*(BYTE*)toHook = 0xE9;
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*(DWORD*)((DWORD)toHook + 1) = relativeAddress;
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DWORD temp;
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VirtualProtect(toHook, len, curProtection, &temp);
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return true;
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}
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static DWORD jmpBackAddy;
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void StormRacerG::FFBLoop(EffectConstants* constants, Helpers* helpers, EffectTriggers* triggers) {
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if (!init)
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{
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uintptr_t ImageBaseSRG = (uintptr_t)GetModuleHandle((L"racing.exe"));
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int hookLength = 6;
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DWORD hookAddress = ImageBaseSRG + 0x12C5DE;
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jmpBackAddy = hookAddress + hookLength;
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Hook((void*)hookAddress, UsbIO_SetSeatShakeImpluse, hookLength);
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helpers->WriteNop(ImageBaseSRG + 0x12C5DE + 5, 1, false);
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init = true;
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}
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UINT8 FFB = helpers->ReadByte(0x46F429C, false);
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UINT8 Enable = helpers->ReadByte(0x4710214, false);
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float speedo = helpers->ReadFloat32(0x114A22D8, false);
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if (Enable == 0x01)
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{
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if (speedo < 0)
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{
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speedo = -speedo;
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}
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double percentForce = speedo / 320.0;
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//4 == Slipstring
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if (FFB & 0x01)
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{
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triggers->Rumble(percentForce, percentForce, 150);
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}
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if (FFB & 0x02)
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{
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triggers->Rumble(percentForce, percentForce, 150);
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}
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if (FFB & 0x08)
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{
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triggers->Rumble(percentForce, percentForce, 150);
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}
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}
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myTriggers = triggers;
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myConstants = constants;
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myHelpers = helpers;
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} |