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cuberite-2a
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Add speed limit enforcement for minecarts

This commit is contained in:
Marvin Kopf 2016-02-21 02:46:36 +01:00
parent 5231e4a7e4
commit 01a100dc97
2 changed files with 54 additions and 41 deletions
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58
src/Entities/Minecart.cpp
View File

@ -277,12 +277,9 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, std::chrono::millisecon
if (GetSpeedZ() >= 0)
{
// SpeedZ POSITIVE, going SOUTH
if (GetSpeedZ() <= MAX_SPEED) // Speed limit
{
AddSpeedZ(0.5); // Speed up
SetSpeedY(-GetSpeedZ()); // Downward movement is negative (0 minus positive numbers is negative)
}
}
else
{
// SpeedZ NEGATIVE, going NORTH
@ -303,14 +300,11 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, std::chrono::millisecon
SetSpeedY(GetSpeedZ()); // Upward movement positive
}
else
{
if (GetSpeedZ() >= MAX_SPEED_NEGATIVE) // Speed limit
{
// SpeedZ NEGATIVE, going NORTH
AddSpeedZ(-0.5); // Speed up
SetSpeedY(GetSpeedZ()); // Downward movement negative
}
}
break;
}
case E_META_RAIL_ASCEND_XM: // ASCEND EAST
@ -319,13 +313,10 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, std::chrono::millisecon
SetSpeedZ(NO_SPEED);
if (GetSpeedX() >= NO_SPEED)
{
if (GetSpeedX() <= MAX_SPEED)
{
AddSpeedX(0.5);
SetSpeedY(-GetSpeedX());
}
}
else
{
AddSpeedX(1);
@ -344,13 +335,10 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, std::chrono::millisecon
SetSpeedY(GetSpeedX());
}
else
{
if (GetSpeedX() >= MAX_SPEED_NEGATIVE)
{
AddSpeedX(-0.5);
SetSpeedY(GetSpeedX());
}
}
break;
}
case E_META_RAIL_CURVED_ZM_XM: // Ends pointing NORTH and WEST
@ -483,13 +471,10 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedZ(NO_SPEED);
if (GetSpeedX() >= NO_SPEED)
{
if (GetSpeedX() <= MAX_SPEED)
{
AddSpeedX(AccelDecelSpeed);
SetSpeedY(-GetSpeedX());
}
}
else
{
AddSpeedX(AccelDecelNegSpeed);
@ -508,13 +493,10 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedY(GetSpeedX());
}
else
{
if (GetSpeedX() >= MAX_SPEED_NEGATIVE)
{
AddSpeedX(AccelDecelNegSpeed);
SetSpeedY(GetSpeedX());
}
}
break;
}
case E_META_RAIL_ASCEND_ZM: // ASCEND NORTH
@ -523,13 +505,10 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedX(NO_SPEED);
if (GetSpeedZ() >= NO_SPEED)
{
if (GetSpeedZ() <= MAX_SPEED)
{
AddSpeedZ(AccelDecelSpeed);
SetSpeedY(-GetSpeedZ());
}
}
else
{
AddSpeedZ(AccelDecelNegSpeed);
@ -548,13 +527,10 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedY(GetSpeedZ());
}
else
{
if (GetSpeedZ() >= MAX_SPEED_NEGATIVE)
{
AddSpeedZ(AccelDecelNegSpeed);
SetSpeedY(GetSpeedZ());
}
}
break;
}
default: ASSERT(!"Unhandled powered rail metadata!"); break;
@ -1043,6 +1019,40 @@ bool cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
void cMinecart::DoSetSpeed(double a_SpeedX, double a_SpeedY, double a_SpeedZ)
{
if (a_SpeedX > MAX_SPEED)
{
a_SpeedX = MAX_SPEED;
}
else if (a_SpeedX < MAX_SPEED_NEGATIVE)
{
a_SpeedX = MAX_SPEED_NEGATIVE;
}
if (a_SpeedY > MAX_SPEED)
{
a_SpeedY = MAX_SPEED;
}
else if (a_SpeedY < MAX_SPEED_NEGATIVE)
{
a_SpeedY = MAX_SPEED_NEGATIVE;
}
if (a_SpeedZ > MAX_SPEED)
{
a_SpeedZ = MAX_SPEED;
}
else if (a_SpeedZ < MAX_SPEED_NEGATIVE)
{
a_SpeedZ = MAX_SPEED_NEGATIVE;
}
super::DoSetSpeed(a_SpeedX, a_SpeedY, a_SpeedZ);
}
void cMinecart::Destroyed()
{
if (m_bIsOnDetectorRail)

3
src/Entities/Minecart.h
View File

@ -51,6 +51,9 @@ protected:
Vector3i m_DetectorRailPosition;
bool m_bIsOnDetectorRail;
// Overwrite to enforce speed limit
virtual void DoSetSpeed(double a_SpeedX, double a_SpeedY, double a_SpeedZ);
cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z);
/** Handles physics on normal rails