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RandomDisplacement

This commit is contained in:
Filip Gawin 2019-07-01 16:21:03 +02:00
parent 0ec77e8329
commit d6957aaa57
2 changed files with 21 additions and 0 deletions
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19
src/audio/AudioManager.cpp
View File

@ -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);

2
src/audio/AudioManager.h
View File

@ -216,6 +216,8 @@ public:
char field_19195;
int m_nTimeOfRecentCrime;
int32 RandomDisplacement(uint32 seed);
void ReleaseDigitalHandle();
void RequireDigitalHandle();
void SetDynamicAcousticModelingStatus(bool status);