diff options
Diffstat (limited to '')
| -rw-r--r-- | src/vehicles/Boat.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/vehicles/Boat.cpp b/src/vehicles/Boat.cpp index 076a910e..9b462971 100644 --- a/src/vehicles/Boat.cpp +++ b/src/vehicles/Boat.cpp @@ -2,6 +2,17 @@ #include "patcher.h" #include "Boat.h" +float &fShapeLength = *(float*)0x600E78; +float &fShapeTime = *(float*)0x600E7C; +float &fRangeMult = *(float*)0x600E80; //0.6f; // 0.75f gta 3 +float &fTimeMult = *(float*)0xA0FCF4; + +float MAX_WAKE_LENGTH = 50.0f; +float MIN_WAKE_INTERVAL = 1.0f; +float WAKE_LIFETIME = 400.0f; + +CBoat * (&CBoat::apFrameWakeGeneratingBoats)[4] = *(CBoat * (*)[4])*(uintptr*)0x8620E0; + CBoat::CBoat(int mi, uint8 owner) { ctor(mi, owner); @@ -9,6 +20,58 @@ CBoat::CBoat(int mi, uint8 owner) WRAPPER CBoat* CBoat::ctor(int, uint8) { EAXJMP(0x53E3E0); } + +bool CBoat::IsSectorAffectedByWake(CVector2D sector, float fSize, CBoat **apBoats) +{ + uint8 numVerts = 0; + + if ( apFrameWakeGeneratingBoats[0] == NULL ) + return false; + + for ( int32 i = 0; i < 4; i++ ) + { + CBoat *pBoat = apFrameWakeGeneratingBoats[i]; + if ( !pBoat ) + break; + + for ( int j = 0; j < pBoat->m_nNumWakePoints; j++ ) + { + float fDist = (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[j]) * fShapeTime + float(j) * fShapeLength + fSize; + + if ( fabs(pBoat->m_avec2dWakePoints[j].x - sector.x) < fDist + && fabs(pBoat->m_avec2dWakePoints[i].y - sector.y) < fDist ) + { + apBoats[numVerts] = pBoat; + numVerts = 1; // += ? + break; + } + } + } + + return numVerts != 0; +} + +float CBoat::IsVertexAffectedByWake(CVector vecVertex, CBoat *pBoat) +{ + for ( int i = 0; i < pBoat->m_nNumWakePoints; i++ ) + { + float fMaxDist = (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[i]) * fShapeTime + float(i) * fShapeLength; + + float fX = pBoat->m_avec2dWakePoints[i].x - vecVertex.x; + float fY = pBoat->m_avec2dWakePoints[i].y - vecVertex.y; + + float fDist = fY * fY + fX * fX; + + if ( fDist < SQR(fMaxDist) ) + return 1.0f - min(fRangeMult * sqrt(fDist / SQR(fMaxDist)) + (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[i]) * fTimeMult, 1.0f); + } + + return 0.0f; +} + +WRAPPER void CBoat::FillBoatList(void) { EAXJMP(0x542250); } + + STARTPATCHES InjectHook(0x53E790, &CBoat::dtor, PATCH_JUMP); ENDPATCHES
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