92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
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/*This file is part of FFB Arcade Plugin.
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FFB Arcade Plugin is free software : you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FFB Arcade Plugin is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FFB Arcade Plugin.If not, see < https://www.gnu.org/licenses/>.
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*/
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#include <string>
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#include "RingRiders.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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extern int EnableDamper;
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extern int DamperStrength;
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static bool init;
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static int __stdcall SetMotor(DWORD* a1, float a2)
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{
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if (a2 > 0)
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{
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double percentForce = a2;
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double percentLength = 100;
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if (percentForce > 1.0)
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percentForce = 1.0;
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myTriggers->Rumble(percentForce, 0, percentLength);
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myTriggers->Constant(myConstants->DIRECTION_FROM_LEFT, percentForce);
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}
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else if (a2 < 0)
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{
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double percentForce = -a2;
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double percentLength = 100;
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if (percentForce > 1.0)
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percentForce = 1.0;
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myTriggers->Rumble(0, percentForce, percentLength);
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myTriggers->Constant(myConstants->DIRECTION_FROM_RIGHT, percentForce);
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}
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return 0;
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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 RingRiders::FFBLoop(EffectConstants* constants, Helpers* helpers, EffectTriggers* triggers) {
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if (!init)
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{
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int hookLength = 6;
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DWORD hookAddress = 0x8107568;
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if (hookAddress)
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{
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jmpBackAddy = hookAddress + hookLength;
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Hook((void*)hookAddress, SetMotor, hookLength);
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init = true;
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}
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}
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if (EnableDamper == 1)
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triggers->Damper(DamperStrength / 100.0);
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myTriggers = triggers;
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myConstants = constants;
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myHelpers = helpers;
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}
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