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CAutoPilot and CCurves

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This commit is contained in:
Nikolay Korolev 2019-09-15 13:29:38 +03:00
parent ca6d2d3181
commit 7234e6e698
3 changed files with 80 additions and 2 deletions
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47
src/control/AutoPilot.cpp
View file

@ -2,5 +2,50 @@
#include "patcher.h"
#include "AutoPilot.h"
WRAPPER void CAutoPilot::RemoveOnePathNode() { EAXJMP(0x413A00); }
#include "CarCtrl.h"
#include "Curves.h"
#include "PathFind.h"
#if 0
WRAPPER void CAutoPilot::ModifySpeed(float) { EAXJMP(0x4137B0); }
#else
void CAutoPilot::ModifySpeed(float speed)
{
m_fMaxTrafficSpeed = max(0.01f, speed);
float positionBetweenNodes = (float)(CTimer::GetTimeInMilliseconds() - m_nTimeEnteredCurve) / m_nTimeToSpendOnCurrentCurve;
CCarPathLink* pCurrentLink = &ThePaths.m_carPathLinks[m_nCurrentPathNodeInfo];
CCarPathLink* pNextLink = &ThePaths.m_carPathLinks[m_nNextPathNodeInfo];
float currentPathLinkForwardX = m_nCurrentDirection * ThePaths.m_carPathLinks[m_nCurrentPathNodeInfo].dirX;
float currentPathLinkForwardY = m_nCurrentDirection * ThePaths.m_carPathLinks[m_nCurrentPathNodeInfo].dirY;
float nextPathLinkForwardX = m_nNextDirection * ThePaths.m_carPathLinks[m_nNextPathNodeInfo].dirX;
float nextPathLinkForwardY = m_nNextDirection * ThePaths.m_carPathLinks[m_nNextPathNodeInfo].dirY;
CVector positionOnCurrentLinkIncludingLane(
pCurrentLink->posX + ((m_nCurrentLane + 0.5f) * LANE_WIDTH) * currentPathLinkForwardY,
pCurrentLink->posY - ((m_nCurrentLane + 0.5f) * LANE_WIDTH) * currentPathLinkForwardX,
0.0f);
CVector positionOnNextLinkIncludingLane(
pNextLink->posX + ((m_nNextLane + 0.5f) * LANE_WIDTH) * nextPathLinkForwardY,
pNextLink->posY - ((m_nNextLane + 0.5f) * LANE_WIDTH) * nextPathLinkForwardX,
0.0f);
m_nTimeToSpendOnCurrentCurve = CCurves::CalcSpeedScaleFactor(
&positionOnCurrentLinkIncludingLane,
&positionOnNextLinkIncludingLane,
currentPathLinkForwardX, currentPathLinkForwardY,
nextPathLinkForwardX, nextPathLinkForwardY
) * (1000.0f / m_fMaxTrafficSpeed);
#ifdef FIX_BUGS
/* Casting timer to float is very unwanted, and in this case even causes crashes. */
m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(uint32)(positionBetweenNodes * m_nTimeToSpendOnCurrentCurve);
#else
m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() - positionBetweenNodes * m_nSpeedScaleFactor;
#endif
}
#endif
void CAutoPilot::RemoveOnePathNode()
{
--m_nPathFindNodesCount;
for (int i = 0; i < m_nPathFindNodesCount; i++)
m_aPathFindNodesInfo[i] = m_aPathFindNodesInfo[i + 1];
}

2
src/control/CarCtrl.cpp
View file

@ -428,7 +428,7 @@ CCarCtrl::GenerateOneRandomCar()
pCar->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(uint32)((0.5f + positionBetweenNodes) * pCar->AutoPilot.m_nTimeToSpendOnCurrentCurve);
#else
pCar->AutoPilot.m_nTotalSpeedScaleFactor = CTimer::GetTimeInMilliseconds() -
pCar->AutoPilot.m_nTimeEnteredCurve = CTimer::GetTimeInMilliseconds() -
(0.5f + positionBetweenNodes) * pCar->AutoPilot.m_nSpeedScaleFactor;
#endif
CVector directionCurrentLink(directionCurrentLinkX, directionCurrentLinkY, 0.0f);

33
src/control/Curves.cpp
View file

@ -2,5 +2,38 @@
#include "patcher.h"
#include "Curves.h"
#if 0
WRAPPER float CCurves::CalcSpeedScaleFactor(CVector*, CVector*, float, float, float, float) { EAXJMP(0x420410); }
#else
float CCurves::CalcSpeedScaleFactor(CVector* pPoint1, CVector* pPoint2, float dir1X, float dir1Y, float dir2X, float dir2Y)
{
CVector2D dir1(dir1X, dir1Y);
CVector2D dir2(dir2X, dir2Y);
float distance = (*pPoint1 - *pPoint2).Magnitude2D();
float dp = DotProduct2D(dir1, dir2);
if (dp > 0.9f)
return distance + Abs((pPoint1->x * dir1Y - pPoint1->y * dir1X) - (pPoint2->x * dir1Y - pPoint2->y * dir1X));
else
return ((1.0f - dp) * 0.2f + 1.0f) * distance;
}
#endif
#if 0
WRAPPER void CCurves::CalcCurvePoint(CVector*, CVector*, CVector*, CVector*, float, int32, CVector*, CVector*) { EAXJMP(0x4204D0); }
#else
void CCurves::CalcCurvePoint(CVector* pPos1, CVector* pPos2, CVector* pDir1, CVector* pDir2, float between, int32 timeOnCurve, CVector* pOutPos, CVector* pOutDir)
{
float actualFactor = CalcSpeedScaleFactor(pPos1, pPos2, pDir1->x, pDir1->y, pDir2->x, pDir2->y);
CVector2D dir1 = *pDir1 * actualFactor;
CVector2D dir2 = *pDir2 * actualFactor;
float curveCoef = 0.5f - 0.5f * cos(3.1415f * between);
*pOutPos = CVector(
(pPos1->x + between * dir1.x) * (1.0f - curveCoef) + (pPos2->x - (1 - between) * dir2.x) * curveCoef,
(pPos1->y + between * dir1.y) * (1.0f - curveCoef) + (pPos2->y - (1 - between) * dir2.y) * curveCoef,
0.0f);
*pOutDir = CVector(
(dir1.x * (1.0f - curveCoef) + dir2.x * curveCoef) / (timeOnCurve * 0.001f),
(dir1.y * (1.0f - curveCoef) + dir2.y * curveCoef) / (timeOnCurve * 0.001f),
0.0f);
}
#endif