diff options
| -rw-r--r-- | src/audio/AudioManager.cpp | 19 | ||||
| -rw-r--r-- | src/audio/AudioManager.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp index d9b7fee2..0a7cd93a 100644 --- a/src/audio/AudioManager.cpp +++ b/src/audio/AudioManager.cpp @@ -12,6 +12,24 @@ cAudioManager &AudioManager = *(cAudioManager *)0x880FC0; constexpr int totalAudioEntitiesSlots = 200; +int32 +cAudioManager::RandomDisplacement(uint32 seed) +{ + int32 value; + + static bool bIsEven = true; + static uint8 base = 0; + + if(!seed) return 0; + + value = m_anRandomTable[(base + seed) % 5] % seed; + base += value; + + if(value % 2) { bIsEven = !bIsEven; } + if(!bIsEven) value = -value; + return value; +} + void cAudioManager::ReleaseDigitalHandle() { @@ -2814,6 +2832,7 @@ cAudioManager::Service() } STARTPATCHES +InjectHook(0x57AF90, &cAudioManager::RandomDisplacement, PATCH_JUMP); InjectHook(0x57A9E0, &cAudioManager::ReleaseDigitalHandle, PATCH_JUMP); InjectHook(0x57A9F0, &cAudioManager::RequireDigitalHandle, PATCH_JUMP); diff --git a/src/audio/AudioManager.h b/src/audio/AudioManager.h index 6b320b60..95478922 100644 --- a/src/audio/AudioManager.h +++ b/src/audio/AudioManager.h @@ -216,6 +216,8 @@ public: char field_19195; int m_nTimeOfRecentCrime; + int32 RandomDisplacement(uint32 seed); + void ReleaseDigitalHandle(); void RequireDigitalHandle(); void SetDynamicAcousticModelingStatus(bool status); |