diff options
Diffstat (limited to 'src/vehicles/Train.cpp')
| -rw-r--r-- | src/vehicles/Train.cpp | 705 |
1 files changed, 702 insertions, 3 deletions
diff --git a/src/vehicles/Train.cpp b/src/vehicles/Train.cpp index b7fd6ca1..cf00cc63 100644 --- a/src/vehicles/Train.cpp +++ b/src/vehicles/Train.cpp @@ -1,20 +1,719 @@ #include "common.h" +#include "main.h" #include "patcher.h" +#include "Timer.h" +#include "ModelIndices.h" +#include "FileMgr.h" +#include "Streaming.h" +#include "Pad.h" +#include "Camera.h" +#include "Coronas.h" +#include "World.h" +#include "Ped.h" +#include "HandlingMgr.h" #include "Train.h" -CTrain::CTrain(int mi, uint8 owner) +static CTrainNode *&pTrackNodes = *(CTrainNode**)0x8F4338; +static int16 &NumTrackNodes = *(int16*)0x95CC5C; +static float StationDist[3] = { 873.0f, 1522.0f, 2481.0f }; +static float &TotalLengthOfTrack = *(float*)0x64D000; +static float &TotalDurationOfTrack = *(float*)0x64D004; +static CTrainInterpolationLine *aLineBits = (CTrainInterpolationLine*)0x70D838; // [17] +static float *EngineTrackPosition = (float*)0x64D008; //[2] +static float *EngineTrackSpeed = (float*)0x880848; //[2] + +static CTrainNode *&pTrackNodes_S = *(CTrainNode**)0x8F2560; +static int16 &NumTrackNodes_S = *(int16*)0x95CC6A; +static float StationDist_S[4] = { 55.0f, 1388.0f, 2337.0f, 3989.0f }; +static float &TotalLengthOfTrack_S = *(float*)0x64D010; +static float &TotalDurationOfTrack_S = *(float*)0x64D014; +static CTrainInterpolationLine *aLineBits_S = (CTrainInterpolationLine*)0x726600; // [18] +static float *EngineTrackPosition_S = (float*)0x64D018; //[4] +static float *EngineTrackSpeed_S = (float*)0x87C7C8; //[4] + +CVector CTrain::aStationCoors[3]; +CVector CTrain::aStationCoors_S[4]; + +CTrain::CTrain(int32 id, uint8 CreatedBy) + : CVehicle(CreatedBy) +{ + CVehicleModelInfo *mi = (CVehicleModelInfo*)CModelInfo::GetModelInfo(id); + m_vehType = VEHICLE_TYPE_TRAIN; + pHandling = mod_HandlingManager.GetHandlingData((eHandlingId)mi->m_handlingId); + SetModelIndex(id); + + Doors[0].Init(0.8f, 0.0f, 1, 0); + Doors[1].Init(-0.8f, 0.0f, 0, 0); + + m_fMass = 100000000.0f; + m_fTurnMass = 100000000.0f; + m_fAirResistance = 0.9994f; + m_fElasticity = 0.05f; + + m_bProcessDoor = true; + m_bTrainStopping = false; + + m_nNumMaxPassengers = 5; + m_nDoorTimer = CTimer::GetTimeInMilliseconds(); + m_nDoorState = TRAIN_DOOR_CLOSED; + + bUsesCollision = true; + m_status = STATUS_TRAIN_MOVING; +} + +void +CTrain::SetModelIndex(uint32 id) +{ + int i; + + CVehicle::SetModelIndex(id); + for(i = 0; i < 3; i++) + m_aTrainNodes[i] = nil; + CClumpModelInfo::FillFrameArray(GetClump(), m_aTrainNodes); +} + +void +CTrain::ProcessControl(void) +{ + if(gbModelViewer || m_isFarAway && (CTimer::GetFrameCounter() + m_nWagonId) & 0xF) + return; + + CTrainNode *trackNodes; + int16 numTrackNodes; + float totalLengthOfTrack; + float *engineTrackPosition; + float *engineTrackSpeed; + + if(m_nTrackId == TRACK_SUBWAY){ + trackNodes = pTrackNodes_S; + numTrackNodes = NumTrackNodes_S; + totalLengthOfTrack = TotalLengthOfTrack_S; + engineTrackPosition = EngineTrackPosition_S; + engineTrackSpeed = EngineTrackSpeed_S; + }else{ + trackNodes = pTrackNodes; + numTrackNodes = NumTrackNodes; + totalLengthOfTrack = TotalLengthOfTrack; + engineTrackPosition = EngineTrackPosition; + engineTrackSpeed = EngineTrackSpeed; + } + + float trackPositionRear = engineTrackPosition[m_nWagonGroup] - m_fWagonPosition; + if(trackPositionRear < 0.0f) + trackPositionRear += totalLengthOfTrack; + + // Advance current node to appropriate position + float pos1, pos2; + int nextTrackNode = m_nCurTrackNode + 1; + pos1 = trackNodes[m_nCurTrackNode].t; + if(nextTrackNode < numTrackNodes) + pos2 = trackNodes[nextTrackNode].t; + else{ + nextTrackNode = 0; + pos2 = totalLengthOfTrack; + } + while(trackPositionRear < pos1 || trackPositionRear > pos2){ + m_nCurTrackNode = (m_nCurTrackNode+1) % numTrackNodes; + nextTrackNode = m_nCurTrackNode + 1; + pos1 = trackNodes[m_nCurTrackNode].t; + if(nextTrackNode < numTrackNodes) + pos2 = trackNodes[nextTrackNode].t; + else{ + nextTrackNode = 0; + pos2 = totalLengthOfTrack; + } + } + float dist = trackNodes[nextTrackNode].t - trackNodes[m_nCurTrackNode].t; + if(dist < 0.0f) + dist += totalLengthOfTrack; + float f = (trackPositionRear - trackNodes[m_nCurTrackNode].t)/dist; + CVector posRear = (1.0f - f)*trackNodes[m_nCurTrackNode].p + f*trackNodes[nextTrackNode].p; + + // Now same again for the front + float trackPositionFront = trackPositionRear + 20.0f; + if(trackPositionFront > totalLengthOfTrack) + trackPositionFront -= totalLengthOfTrack; + int curTrackNodeFront = m_nCurTrackNode; + int nextTrackNodeFront = curTrackNodeFront + 1; + pos1 = trackNodes[curTrackNodeFront].t; + if(nextTrackNodeFront < numTrackNodes) + pos2 = trackNodes[nextTrackNodeFront].t; + else{ + nextTrackNodeFront = 0; + pos2 = totalLengthOfTrack; + } + while(trackPositionFront < pos1 || trackPositionFront > pos2){ + curTrackNodeFront = (curTrackNodeFront+1) % numTrackNodes; + nextTrackNodeFront = curTrackNodeFront + 1; + pos1 = trackNodes[curTrackNodeFront].t; + if(nextTrackNodeFront < numTrackNodes) + pos2 = trackNodes[nextTrackNodeFront].t; + else{ + nextTrackNodeFront = 0; + pos2 = totalLengthOfTrack; + } + } + dist = trackNodes[nextTrackNodeFront].t - trackNodes[curTrackNodeFront].t; + if(dist < 0.0f) + dist += totalLengthOfTrack; + f = (trackPositionFront - trackNodes[curTrackNodeFront].t)/dist; + CVector posFront = (1.0f - f)*trackNodes[curTrackNodeFront].p + f*trackNodes[nextTrackNodeFront].p; + + // Now set matrix + GetPosition() = (posRear + posFront)/2.0f; + CVector fwd = posFront - posRear; + fwd.Normalise(); + CVector right = CrossProduct(fwd, CVector(0.0f, 0.0f, 1.0f)); + right.Normalise(); + CVector up = CrossProduct(right, fwd); + GetRight() = right; + GetUp() = up; + GetForward() = fwd; + + // Set speed + m_vecMoveSpeed = fwd*engineTrackSpeed[m_nWagonGroup]/60.0f; + m_fSpeed = engineTrackSpeed[m_nWagonGroup]/60.0f; + m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f); + + if(engineTrackSpeed[m_nWagonGroup] > 0.001f){ + m_status = STATUS_TRAIN_MOVING; + m_bTrainStopping = false; + m_bProcessDoor = true; + }else{ + m_status = STATUS_TRAIN_NOT_MOVING; + m_bTrainStopping = true; + } + + m_isFarAway = !((posFront - TheCamera.GetPosition()).Magnitude2D() < sq(250.0f)); + + if(m_fWagonPosition == 20.0f && m_fSpeed > 0.0001f) + if(Abs(TheCamera.GetPosition().z - GetPosition().z) < 15.0f) + CPad::GetPad(0)->StartShake_Train(GetPosition().x, GetPosition().y); + + if(m_bProcessDoor) + switch(m_nDoorState){ + case TRAIN_DOOR_CLOSED: + if(m_bTrainStopping){ + m_nDoorTimer = CTimer::GetTimeInMilliseconds() + 1000; + m_nDoorState = TRAIN_DOOR_OPENING; + DMAudio.PlayOneShot(m_audioEntityId, SOUND_18, 0.0f); + } + break; + + case TRAIN_DOOR_OPENING: + if(CTimer::GetTimeInMilliseconds() < m_nDoorTimer){ + OpenTrainDoor(1.0f - (m_nDoorTimer - CTimer::GetTimeInMilliseconds())/1000.0f); + }else{ + OpenTrainDoor(1.0f); + m_nDoorState = TRAIN_DOOR_OPEN; + } + break; + + case TRAIN_DOOR_OPEN: + if(!m_bTrainStopping){ + m_nDoorTimer = CTimer::GetTimeInMilliseconds() + 1000; + m_nDoorState = TRAIN_DOOR_CLOSING; + DMAudio.PlayOneShot(m_audioEntityId, SOUND_19, 0.0f); + } + break; + + case TRAIN_DOOR_CLOSING: + if(CTimer::GetTimeInMilliseconds() < m_nDoorTimer){ + OpenTrainDoor((m_nDoorTimer - CTimer::GetTimeInMilliseconds())/1000.0f); + }else{ + OpenTrainDoor(0.0f); + m_nDoorState = TRAIN_DOOR_CLOSED; + m_bProcessDoor = false; + } + break; + } + + GetMatrix().UpdateRW(); + UpdateRwFrame(); + RemoveAndAdd(); + + bIsStuck = false; + bIsInSafePosition = true; + bWasPostponed = false; + + // request/remove model + if(m_isFarAway){ + if(m_rwObject) + DeleteRwObject(); + }else if(CStreaming::HasModelLoaded(MI_TRAIN)){ + if(m_rwObject == nil){ + m_modelIndex = -1; + SetModelIndex(MI_TRAIN); + } + }else{ + if(FindPlayerCoors().z * GetPosition().z >= 0.0f) + CStreaming::RequestModel(MI_TRAIN, STREAMFLAGS_DEPENDENCY); + } + + // Hit stuff + if(m_bIsFirstWagon && m_status == STATUS_TRAIN_MOVING){ + CVector front = GetPosition() + GetForward()*GetColModel()->boundingBox.max.y + m_vecMoveSpeed*CTimer::GetTimeStep(); + + int x, xmin, xmax; + int y, ymin, ymax; + + xmin = CWorld::GetSectorIndexX(front.x - 3.0f); + if(xmin < 0) xmin = 0; + xmax = CWorld::GetSectorIndexX(front.x + 3.0f); + if(xmax > NUMSECTORS_X-1) xmax = NUMSECTORS_X-1; + ymin = CWorld::GetSectorIndexX(front.y - 3.0f); + if(ymin < 0) ymin = 0; + ymax = CWorld::GetSectorIndexX(front.y + 3.0f); + if(ymax > NUMSECTORS_Y-1) ymax = NUMSECTORS_X-1; + + CWorld::AdvanceCurrentScanCode(); + + for(y = ymin; y <= ymax; y++) + for(x = xmin; x <= xmax; x++){ + CSector *s = CWorld::GetSector(x, y); + TrainHitStuff(s->m_lists[ENTITYLIST_VEHICLES]); + TrainHitStuff(s->m_lists[ENTITYLIST_VEHICLES_OVERLAP]); + TrainHitStuff(s->m_lists[ENTITYLIST_PEDS]); + TrainHitStuff(s->m_lists[ENTITYLIST_PEDS_OVERLAP]); + } + } +} + +void +CTrain::PreRender(void) { - ctor(mi, owner); + CVehicleModelInfo *mi = (CVehicleModelInfo*)CModelInfo::GetModelInfo(GetModelIndex()); + + if(m_bIsFirstWagon){ + CVector lookVector = GetPosition() - TheCamera.GetPosition(); + float camDist = lookVector.Magnitude(); + if(camDist != 0.0f) + lookVector *= 1.0f/camDist; + else + lookVector = CVector(1.0f, 0.0f, 0.0f); + float behindness = DotProduct(lookVector, GetForward()); + + if(behindness < 0.0f){ + // In front of train + CVector lightPos = mi->m_positions[TRAIN_POS_LIGHT_FRONT]; + CVector lightR = GetMatrix() * lightPos; + CVector lightL = lightR; + lightL -= GetRight()*2.0f*lightPos.x; + + float intensity = -0.4f*behindness + 0.2f; + float size = 1.0f - behindness; + + if(behindness < -0.9f && camDist < 35.0f){ + // directly in front + CCoronas::RegisterCorona((uintptr)this + 10, 255*intensity, 255*intensity, 255*intensity, 255, + lightL, size, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_HEADLIGHTS, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + CCoronas::RegisterCorona((uintptr)this + 11, 255*intensity, 255*intensity, 255*intensity, 255, + lightR, size, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_HEADLIGHTS, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + }else{ + CCoronas::RegisterCorona((uintptr)this + 10, 255*intensity, 255*intensity, 255*intensity, 255, + lightL, size, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + CCoronas::RegisterCorona((uintptr)this + 11, 255*intensity, 255*intensity, 255*intensity, 255, + lightR, size, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + } + } + } + + if(m_bIsLastWagon){ + CVector lightPos = mi->m_positions[TRAIN_POS_LIGHT_REAR]; + CVector lightR = GetMatrix() * lightPos; + CVector lightL = lightR; + lightL -= GetRight()*2.0f*lightPos.x; + + CCoronas::RegisterCorona((uintptr)this + 12, 255, 0, 0, 255, + lightL, 1.0f, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + CCoronas::RegisterCorona((uintptr)this + 13, 255, 0, 0, 255, + lightR, 1.0f, 80.0f, + CCoronas::TYPE_NORMAL, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON, + CCoronas::LOSCHECK_OFF, CCoronas::STREAK_ON, 0.0f); + } } -WRAPPER CTrain* CTrain::ctor(int, uint8) { EAXJMP(0x54E2A0); } +void +CTrain::Render(void) +{ + CEntity::Render(); +} + +void +CTrain::TrainHitStuff(CPtrList &list) +{ + CPtrNode *node; + CPhysical *phys; + + for(node = list.first; node; node = node->next){ + phys = (CPhysical*)node->item; + if(phys != this && Abs(this->GetPosition().z - phys->GetPosition().z) < 1.5f) + phys->bHitByTrain = true; + } +} + +void +CTrain::AddPassenger(CPed *ped) +{ + int i = ped->m_vehEnterType; + if((i == TRAIN_POS_LEFT_ENTRY || i == TRAIN_POS_MID_ENTRY || i == TRAIN_POS_RIGHT_ENTRY) && pPassengers[i] == nil){ + pPassengers[i] = ped; + m_nNumPassengers++; + }else{ + for(i = 0; i < 6; i++) + if(pPassengers[i] == nil){ + pPassengers[i] = ped; + m_nNumPassengers++; + return; + } + } +} + +void +CTrain::OpenTrainDoor(float ratio) +{ + if(m_rwObject == nil) + return; + + CMatrix doorL(RwFrameGetMatrix(m_aTrainNodes[TRAIN_DOOR_LHS])); + CMatrix doorR(RwFrameGetMatrix(m_aTrainNodes[TRAIN_DOOR_RHS])); + CVector posL = doorL.GetPosition(); + CVector posR = doorR.GetPosition(); + + bool isClosed = Doors[0].IsClosed(); // useless + + Doors[0].Open(ratio); + Doors[1].Open(ratio); + + if(isClosed) + Doors[0].RetTranslationWhenClosed(); // useless + + posL.y = Doors[0].m_fPosn; + posR.y = Doors[1].m_fPosn; + + doorL.SetTranslate(posL); + doorR.SetTranslate(posR); + + doorL.UpdateRW(); + doorR.UpdateRW(); +} + + + +void +CTrain::InitTrains(void) +{ + int i, j; + CTrain *train; + + // El train + if(pTrackNodes == nil) + ReadAndInterpretTrackFile("data\\paths\\tracks.dat", &pTrackNodes, &NumTrackNodes, 3, StationDist, + &TotalLengthOfTrack, &TotalDurationOfTrack, aLineBits, false); + // Subway + if(pTrackNodes_S == nil) + ReadAndInterpretTrackFile("data\\paths\\tracks2.dat", &pTrackNodes_S, &NumTrackNodes_S, 4, StationDist_S, + &TotalLengthOfTrack_S, &TotalDurationOfTrack_S, aLineBits_S, true); + + int trainId; + CStreaming::LoadAllRequestedModels(false); + if(CModelInfo::GetModelInfo("train", &trainId)) + CStreaming::RequestModel(trainId, 0); + CStreaming::LoadAllRequestedModels(false); + + // El-Train wagons + float wagonPositions[] = { 0.0f, 20.0f, 40.0f, 0.0f, 20.0f }; + int8 firstWagon[] = { 1, 0, 0, 1, 0 }; + int8 lastWagon[] = { 0, 0, 1, 0, 1 }; + int16 wagonGroup[] = { 0, 0, 0, 1, 1 }; + for(i = 0; i < 5; i++){ + train = new CTrain(MI_TRAIN, PERMANENT_VEHICLE); + train->GetMatrix().SetTranslate(0.0f, 0.0f, 0.0f); + train->m_status = STATUS_ABANDONED; + train->bIsLocked = true; + train->m_fWagonPosition = wagonPositions[i]; + train->m_bIsFirstWagon = firstWagon[i]; + train->m_bIsLastWagon = lastWagon[i]; + train->m_nWagonGroup = wagonGroup[i]; + train->m_nWagonId = i; + train->m_nCurTrackNode = 0; + CWorld::Add(train); + } + + // Subway wagons + float wagonPositions_S[] = { 0.0f, 20.0f, 0.0f, 20.0f, 0.0f, 20.0f, 0.0f, 20.0f }; + int8 firstWagon_S[] = { 1, 0, 1, 0, 1, 0, 1, 0 }; + int8 lastWagon_S[] = { 0, 1, 0, 1, 0, 1, 0, 1 }; + int16 wagonGroup_S[] = { 0, 0, 1, 1, 2, 2, 3, 3 }; + for(i = 0; i < 8; i++){ + train = new CTrain(MI_TRAIN, PERMANENT_VEHICLE); + train->GetMatrix().SetTranslate(0.0f, 0.0f, 0.0f); + train->m_status = STATUS_ABANDONED; + train->bIsLocked = true; + train->m_fWagonPosition = wagonPositions_S[i]; + train->m_bIsFirstWagon = firstWagon_S[i]; + train->m_bIsLastWagon = lastWagon_S[i]; + train->m_nWagonGroup = wagonGroup_S[i]; + train->m_nWagonId = i; + train->m_nCurTrackNode = 0; + train->m_nTrackId = TRACK_SUBWAY; + CWorld::Add(train); + } + + // This code is actually useless, it seems it was used for announcements once + for(i = 0; i < 3; i++){ + for(j = 0; pTrackNodes[j].t < StationDist[i]; j++); + aStationCoors[i] = pTrackNodes[j].p; + } + for(i = 0; i < 4; i++){ + for(j = 0; pTrackNodes_S[j].t < StationDist_S[i]; j++); + aStationCoors_S[i] = pTrackNodes_S[j].p; + } +} + +void +CTrain::Shutdown(void) +{ + if(pTrackNodes) delete[] pTrackNodes; + if(pTrackNodes_S) delete[] pTrackNodes_S; + pTrackNodes = nil; + pTrackNodes_S = nil; +} + +void +CTrain::ReadAndInterpretTrackFile(char *filename, CTrainNode **nodes, int16 *numNodes, int32 numStations, float *stationDists, + float *totalLength, float *totalDuration, CTrainInterpolationLine *interpLines, bool rightRail) +{ + bool readingFile = false; + int bp, lp; + int i, tmp; + + if(*nodes == nil){ + readingFile = true; + + CFileMgr::LoadFile(filename, work_buff, sizeof(work_buff), "r"); + *gString = '\0'; + for(bp = 0, lp = 0; work_buff[bp] != '\n'; bp++, lp++) + gString[lp] = work_buff[bp]; + bp++; + // BUG: game doesn't terminate string and uses numNodes in sscanf directly + gString[lp] = '\0'; + sscanf(gString, "%d", &tmp); + *numNodes = tmp; + *nodes = new CTrainNode[*numNodes]; + + for(i = 0; i < *numNodes; i++){ + *gString = '\0'; + for(lp = 0; work_buff[bp] != '\n'; bp++, lp++) + gString[lp] = work_buff[bp]; + bp++; + // BUG: game doesn't terminate string + gString[lp] = '\0'; + sscanf(gString, "%f %f %f", &(*nodes)[i].p.x, &(*nodes)[i].p.y, &(*nodes)[i].p.z); + } + + // Coordinates are of one of the rails, but we want the center + float toCenter = rightRail ? 0.9f : -0.9f; + CVector fwd; + for(i = 0; i < *numNodes; i++){ + if(i == *numNodes-1) + fwd = (*nodes)[0].p - (*nodes)[i].p; + else + fwd = (*nodes)[i+1].p - (*nodes)[i].p; + CVector right = CrossProduct(fwd, CVector(0.0f, 0.0f, 1.0f)); + right.Normalise(); + (*nodes)[i].p -= right*toCenter; + } + } + + // Calculate length of segments and track + float t = 0.0f; + for(i = 0; i < *numNodes; i++){ + (*nodes)[i].t = t; + t += ((*nodes)[(i+1) % (*numNodes)].p - (*nodes)[i].p).Magnitude2D(); + } + *totalLength = t; + + // Find correct z values + if(readingFile){ + CColPoint colpoint; + CEntity *entity; + for(i = 0; i < *numNodes; i++){ + CVector p = (*nodes)[i].p; + p.z += 1.0f; + if(CWorld::ProcessVerticalLine(p, p.z-0.5f, colpoint, entity, true, false, false, false, true, false, nil)) + (*nodes)[i].p.z = colpoint.point.z; + (*nodes)[i].p.z += 0.2f; + } + } + + // Create animation for stopping at stations + // TODO: figure out magic numbers? + float position = 0.0f; + float time = 0.0f; + int j = 0; + for(i = 0; i < numStations; i++){ + // Start at full speed + interpLines[j].type = 1; + interpLines[j].time = time; + interpLines[j].position = position; + interpLines[j].speed = 15.0f; + interpLines[j].acceleration = 0.0f; + j++; + // distance to next keyframe + float dist = (stationDists[i]-40.0f) - position; + time += dist/15.0f; + position += dist; + + // Now slow down 40 units before stop + interpLines[j].type = 2; + interpLines[j].time = time; + interpLines[j].position = position; + interpLines[j].speed = 15.0f; + interpLines[j].acceleration = -45.0f/32.0f; + j++; + time += 16.0f/3.0f; + position += 40.0f; // at station + + // stopping + interpLines[j].type = 0; + interpLines[j].time = time; + interpLines[j].position = position; + interpLines[j].speed = 0.0f; + interpLines[j].acceleration = 0.0f; + j++; + time += 25.0f; + + // accelerate again + interpLines[j].type = 2; + interpLines[j].time = time; + interpLines[j].position = position; + interpLines[j].speed = 0.0f; + interpLines[j].acceleration = 45.0f/32.0f; + j++; + time += 16.0f/3.0f; + position += 40.0f; // after station + } + // last keyframe + interpLines[j].type = 1; + interpLines[j].time = time; + interpLines[j].position = position; + interpLines[j].speed = 15.0f; + interpLines[j].acceleration = 0.0f; + j++; + *totalDuration = time + (*totalLength - position)/15.0f; + + // end + interpLines[j].time = *totalDuration; +} + +void +ProcessTrainAnnouncements(void) +{ + // TODO but unused +} + +void +CTrain::UpdateTrains(void) +{ + int i, j; + uint32 time; + float t, deltaT; + + if(TheCamera.GetPosition().x > 200.0f && TheCamera.GetPosition().x < 1600.0f && + TheCamera.GetPosition().y > -1000.0f && TheCamera.GetPosition().y < 500.0f){ + // Update El-Train + + time = CTimer::GetTimeInMilliseconds(); + for(i = 0; i < 2; i++){ + t = TotalDurationOfTrack * (float)(time & 0x1FFFF)/0x20000; + // find current frame + for(j = 0; t > aLineBits[j+1].time; j++); + + deltaT = t - aLineBits[j].time; + switch(aLineBits[j].type){ + case 0: // standing still + EngineTrackPosition[i] = aLineBits[j].position; + EngineTrackSpeed[i] = 0.0f; + break; + case 1: // moving with constant speed + EngineTrackPosition[i] = aLineBits[j].position + aLineBits[j].speed*deltaT; + EngineTrackSpeed[i] = (TotalDurationOfTrack*1000.0f/0x20000) * aLineBits[j].speed; + break; + case 2: // accelerating/braking + EngineTrackPosition[i] = aLineBits[j].position + (aLineBits[j].speed + aLineBits[j].acceleration*deltaT)*deltaT; + EngineTrackSpeed[i] = (TotalDurationOfTrack*1000.0f/0x20000)*aLineBits[j].speed + 2.0f*aLineBits[j].acceleration*deltaT; + break; + } + + // time offset for each train + time += 0x10000; + } + + ProcessTrainAnnouncements(); + } + + // Update Subway + time = CTimer::GetTimeInMilliseconds(); + for(i = 0; i < 4; i++){ + t = TotalDurationOfTrack_S * (float)(time & 0x3FFFF)/0x40000; + // find current frame + for(j = 0; t > aLineBits_S[j+1].time; j++); + + deltaT = t - aLineBits_S[j].time; + switch(aLineBits_S[j].type){ + case 0: // standing still + EngineTrackPosition_S[i] = aLineBits_S[j].position; + EngineTrackSpeed_S[i] = 0.0f; + break; + case 1: // moving with constant speed + EngineTrackPosition_S[i] = aLineBits_S[j].position + aLineBits_S[j].speed*deltaT; + EngineTrackSpeed_S[i] = (TotalDurationOfTrack*1000.0f/0x40000) * aLineBits_S[j].speed; + break; + case 2: // accelerating/braking + EngineTrackPosition_S[i] = aLineBits_S[j].position + (aLineBits_S[j].speed + aLineBits_S[j].acceleration*deltaT)*deltaT; + EngineTrackSpeed_S[i] = (TotalDurationOfTrack*1000.0f/0x40000)*aLineBits_S[j].speed + 2.0f*aLineBits_S[j].acceleration*deltaT; + break; + } + + // time offset for each train + time += 0x10000; + } +} class CTrain_ : public CTrain { public: + void ctor(int32 id, uint8 CreatedBy) { ::new (this) CTrain(id, CreatedBy); } + void SetModelIndex_(uint32 id) { CTrain::SetModelIndex(id); } + void ProcessControl_(void) { CTrain::ProcessControl(); } + void PreRender_(void) { CTrain::PreRender(); } + void Render_(void) { CTrain::Render(); } void dtor(void) { CTrain::~CTrain(); } }; STARTPATCHES + InjectHook(0x54E470, &CTrain_::SetModelIndex_, PATCH_JUMP); + InjectHook(0x54E4C0, &CTrain_::PreRender_, PATCH_JUMP); + InjectHook(0x54EAA0, &CTrain_::Render_, PATCH_JUMP); InjectHook(0x54E450, &CTrain_::dtor, PATCH_JUMP); + InjectHook(0x54E2A0, &CTrain_::ctor, PATCH_JUMP); + InjectHook(0x550300, &CTrain::TrainHitStuff, PATCH_JUMP); + InjectHook(0x5504A0, &CTrain::AddPassenger, PATCH_JUMP); + InjectHook(0x550360, &CTrain::OpenTrainDoor, PATCH_JUMP); + + InjectHook(0x54F000, CTrain::InitTrains, PATCH_JUMP); + InjectHook(0x54F360, CTrain::Shutdown, PATCH_JUMP); + InjectHook(0x54EAB0, CTrain::ReadAndInterpretTrackFile, PATCH_JUMP); + InjectHook(0x54F3A0, CTrain::UpdateTrains, PATCH_JUMP); ENDPATCHES |