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Add grain effect functions (PR #2422)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| /***************************************************************************** | ||
| * | ||
| * PROJECT: Multi Theft Auto v1.0 | ||
| * LICENSE: See LICENSE in the top level directory | ||
| * FILE: multiplayer_sa/CMultiplayerSA_Postprocess.cpp | ||
| * | ||
| * Multi Theft Auto is available from http://www.multitheftauto.com/ | ||
| * | ||
| *****************************************************************************/ | ||
|
|
||
| #include "StdInc.h" | ||
|
|
||
| #define HOOKPOS_GrainEffect_NightModifier 0x704EE8 | ||
| #define HOOKPOS_GrainEffect_InfraredModifier 0x704F59 | ||
| #define HOOKPOS_GrainEffect_RainModifier 0x705078 | ||
| #define HOOKPOS_GrainEffect_OverlayModifier 0x705091 | ||
|
|
||
| namespace GrainEffect | ||
| { | ||
|
|
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| static BYTE ucGrainEnabled = FALSE; | ||
| static DWORD dwGrainStrength = 1; | ||
|
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| struct MasterModifier | ||
| { | ||
| static float fMultiplier; | ||
|
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| static int ApplyEffect(BYTE ucLevel, BYTE ucUpdate) | ||
| { | ||
| return ((int(__cdecl*)(char, char))0x7037C0)(ucLevel * fMultiplier, ucUpdate); | ||
| } | ||
| }; | ||
|
|
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| struct InfraredModifier | ||
| { | ||
| static float fMultiplier; | ||
|
|
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| static int ApplyEffect(BYTE ucLevel, BYTE ucUpdate) | ||
| { | ||
| return MasterModifier::ApplyEffect(ucLevel * fMultiplier, ucUpdate); | ||
| } | ||
| }; | ||
|
|
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| struct NightModifier | ||
| { | ||
| static float fMultiplier; | ||
|
|
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| static int ApplyEffect(BYTE ucLevel, BYTE ucUpdate) | ||
| { | ||
| return MasterModifier::ApplyEffect(ucLevel * fMultiplier, ucUpdate); | ||
| } | ||
| }; | ||
|
|
||
| struct RainModifier | ||
| { | ||
| static float fMultiplier; | ||
|
|
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| static int ApplyEffect(BYTE ucLevel, BYTE ucUpdate) | ||
| { | ||
| return MasterModifier::ApplyEffect(ucLevel * fMultiplier, ucUpdate); | ||
| } | ||
| }; | ||
|
|
||
| struct OverlayModifier | ||
| { | ||
| static float fMultiplier; | ||
|
|
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| static int ApplyEffect(BYTE ucLevel, BYTE ucUpdate) | ||
| { | ||
| return MasterModifier::ApplyEffect(ucLevel * fMultiplier, ucUpdate); | ||
| } | ||
| }; | ||
|
|
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| float MasterModifier::fMultiplier = 1.0f; | ||
| float InfraredModifier::fMultiplier = 1.0f; | ||
| float NightModifier::fMultiplier = 1.0f; | ||
| float RainModifier::fMultiplier = 1.0f; | ||
| float OverlayModifier::fMultiplier = 1.0f; | ||
|
|
||
| } | ||
|
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| void CMultiplayerSA::SetGrainMultiplier(eGrainMultiplierType type, float fMultiplier) | ||
| { | ||
| using namespace GrainEffect; | ||
|
|
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| fMultiplier = Clamp(0.0f, fMultiplier, 1.0f); | ||
|
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| switch (type) | ||
| { | ||
| case eGrainMultiplierType::MASTER: | ||
| MasterModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| case eGrainMultiplierType::INFRARED: | ||
| InfraredModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| case eGrainMultiplierType::NIGHT: | ||
| NightModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| case eGrainMultiplierType::RAIN: | ||
| RainModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| case eGrainMultiplierType::OVERLAY: | ||
| OverlayModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| case eGrainMultiplierType::ALL: | ||
| MasterModifier::fMultiplier = InfraredModifier::fMultiplier = NightModifier::fMultiplier = RainModifier::fMultiplier = OverlayModifier::fMultiplier = fMultiplier; | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
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| void CMultiplayerSA::SetGrainLevel(BYTE ucLevel) | ||
| { | ||
| const bool bOverridden = *(DWORD*)0x705081 != (DWORD)0x00C402B4; | ||
| const bool bEnable = ucLevel > 0; | ||
|
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| GrainEffect::ucGrainEnabled = static_cast<BYTE>(bEnable); | ||
| GrainEffect::dwGrainStrength = static_cast<DWORD>(ucLevel); | ||
|
|
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| if (bEnable == bOverridden) | ||
| return; | ||
|
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| if (bEnable) | ||
| { | ||
| MemPut<DWORD>(0x705081, (DWORD)&GrainEffect::ucGrainEnabled); | ||
| MemPut<DWORD>(0x70508A, (DWORD)&GrainEffect::dwGrainStrength); | ||
| } | ||
| else | ||
| { | ||
| // Restore the original address | ||
| MemPut<DWORD>(0x705081, (DWORD)0x00C402B4); | ||
| MemPut<DWORD>(0x70508A, (DWORD)0x008D5094); | ||
| } | ||
| } | ||
|
|
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| void CMultiplayerSA::SetNightVisionEnabled(bool bEnabled, bool bNoiseEnabled) | ||
| { | ||
| if (bEnabled) | ||
| { | ||
| MemPutFast<BYTE>(0xC402B8, 1); | ||
| } | ||
| else | ||
| { | ||
| MemPutFast<BYTE>(0xC402B8, 0); | ||
| } | ||
| if (bNoiseEnabled) | ||
| { | ||
| HookInstallCall(0x704EE8, (DWORD)GrainEffect::NightModifier::ApplyEffect); | ||
| } | ||
| else | ||
| { | ||
| MemSet((void*)0x704EE8, 0x90, 5); | ||
| } | ||
| } | ||
|
|
||
| void CMultiplayerSA::SetThermalVisionEnabled(bool bEnabled, bool bNoiseEnabled) | ||
| { | ||
| if (bEnabled) | ||
| { | ||
| MemPutFast<BYTE>(0xC402B9, 1); | ||
| } | ||
| else | ||
| { | ||
| MemPutFast<BYTE>(0xC402B9, 0); | ||
| } | ||
| if (bNoiseEnabled) | ||
| { | ||
| HookInstallCall(0x704F59, (DWORD)GrainEffect::InfraredModifier::ApplyEffect); | ||
| } | ||
| else | ||
| { | ||
| MemSet((void*)0x704F59, 0x90, 5); | ||
| } | ||
| } | ||
|
|
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| bool CMultiplayerSA::IsNightVisionEnabled() | ||
| { | ||
| return (*(BYTE*)0xC402B8 == 1); | ||
| } | ||
|
|
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| bool CMultiplayerSA::IsThermalVisionEnabled() | ||
| { | ||
| return (*(BYTE*)0xC402B9 == 1); | ||
| } | ||
|
|
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| void CMultiplayerSA::InitHooks_Postprocess() | ||
| { | ||
| HookInstallCall(HOOKPOS_GrainEffect_NightModifier, (DWORD)GrainEffect::NightModifier::ApplyEffect); | ||
| HookInstallCall(HOOKPOS_GrainEffect_InfraredModifier, (DWORD)GrainEffect::InfraredModifier::ApplyEffect); | ||
| HookInstallCall(HOOKPOS_GrainEffect_RainModifier, (DWORD)GrainEffect::RainModifier::ApplyEffect); | ||
| HookInstallCall(HOOKPOS_GrainEffect_OverlayModifier, (DWORD)GrainEffect::OverlayModifier::ApplyEffect); | ||
| } |
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