flewkey/cuberite-2a
1
0
Fork 0
Code Releases Activity

Merge pull request #589 from mc-server/minecartimprovements

Browse Source 
Minecart improvements
This commit is contained in:
Mattes D 2014-01-26 05:13:54 -08:00
commit 09ee8a1bb6
5 changed files with 438 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/Bindings/AllToLua.bat
View File

@ -4,17 +4,21 @@
:: When called without any parameters, it will pause for a keypress at the end
:: Call with any parameter to disable the wait (for buildserver use)
@echo off
:: Regenerate the files:
echo Regenerating LUA bindings . . .
"tolua++.exe" -L virtual_method_hooks.lua -o Bindings.cpp -H Bindings.h AllToLua.pkg
: Wait for keypress, if no param given:
echo.
if %ALLTOLUA_WAIT%N == N pause

28
src/Blocks/BlockRail.h
View File

@ -186,25 +186,35 @@ public:
}
if (RailsCnt > 1)
{
if (Neighbors[3] && Neighbors[0]) return E_META_RAIL_CURVED_ZP_XP;
else if (Neighbors[3] && Neighbors[1]) return E_META_RAIL_CURVED_ZP_XM;
else if (Neighbors[2] && Neighbors[0]) return E_META_RAIL_CURVED_ZM_XP;
else if (Neighbors[2] && Neighbors[1]) return E_META_RAIL_CURVED_ZM_XM;
if (Neighbors[3] && Neighbors[0] && CanThisRailCurve()) return E_META_RAIL_CURVED_ZP_XP;
else if (Neighbors[3] && Neighbors[1] && CanThisRailCurve()) return E_META_RAIL_CURVED_ZP_XM;
else if (Neighbors[2] && Neighbors[0] && CanThisRailCurve()) return E_META_RAIL_CURVED_ZM_XP;
else if (Neighbors[2] && Neighbors[1] && CanThisRailCurve()) return E_META_RAIL_CURVED_ZM_XM;
else if (Neighbors[7] && Neighbors[2]) return E_META_RAIL_ASCEND_ZP;
else if (Neighbors[3] && Neighbors[6]) return E_META_RAIL_ASCEND_ZM;
else if (Neighbors[5] && Neighbors[0]) return E_META_RAIL_ASCEND_XM;
else if (Neighbors[4] && Neighbors[1]) return E_META_RAIL_ASCEND_XP;
else if (Neighbors[0] && Neighbors[1]) return E_META_RAIL_XM_XP;
else if (Neighbors[2] && Neighbors[3]) return E_META_RAIL_ZM_ZP;
ASSERT(!"Weird neighbor count");
if (CanThisRailCurve())
{
ASSERT(!"Weird neighbor count");
}
}
return Meta;
}
inline bool CanThisRailCurve(void)
{
return m_BlockType == E_BLOCK_RAIL;
}
bool IsUnstable(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
{
if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL)
if (!IsBlockRail(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ)))
{
return false;
}
@ -339,11 +349,11 @@ public:
{
AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, false);
NIBBLETYPE Meta;
if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL)
if (!IsBlockRail(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ)))
{
if ((a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure != E_PURE_UPDOWN))
if (!IsBlockRail(a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)) || (a_Pure != E_PURE_UPDOWN))
{
if ((a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure == E_PURE_NONE))
if (!IsBlockRail(a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ)) || (a_Pure == E_PURE_NONE))
{
return true;
}

18
src/Defines.h
View File

@ -280,6 +280,24 @@ inline bool IsBlockLiquid(BLOCKTYPE a_BlockType)
inline bool IsBlockRail(BLOCKTYPE a_BlockType)
{
switch (a_BlockType)
{
case E_BLOCK_RAIL:
case E_BLOCK_ACTIVATOR_RAIL:
case E_BLOCK_DETECTOR_RAIL:
case E_BLOCK_POWERED_RAIL:
{
return true;
}
default: return false;
}
}
inline bool IsBlockTypeOfDirt(BLOCKTYPE a_BlockType)
{

474
src/Entities/Minecart.cpp
View File

@ -19,6 +19,70 @@
class cMinecartCollisionCallback :
public cEntityCallback
{
public:
cMinecartCollisionCallback(Vector3d a_Pos, double a_Height, double a_Width, int a_UniqueID, int a_AttacheeUniqueID) :
m_Pos(a_Pos),
m_Height(a_Height),
m_Width(a_Width),
m_DoesInteserct(false),
m_CollidedEntityPos(0, 0, 0),
m_UniqueID(a_UniqueID),
m_AttacheeUniqueID(a_AttacheeUniqueID)
{
}
virtual bool Item(cEntity * a_Entity) override
{
ASSERT(a_Entity != NULL);
if (!a_Entity->IsPlayer() && !a_Entity->IsMob() && !a_Entity->IsMinecart() && !a_Entity->IsBoat())
{
return false;
}
else if ((a_Entity->GetUniqueID() == m_UniqueID) || (a_Entity->GetUniqueID() == m_AttacheeUniqueID))
{
return false;
}
cBoundingBox bbEntity(a_Entity->GetPosition(), a_Entity->GetWidth() / 2, a_Entity->GetHeight());
cBoundingBox bbMinecart(Vector3d(m_Pos.x, floor(m_Pos.y), m_Pos.z), m_Width / 2, m_Height);
if (bbEntity.DoesIntersect(bbMinecart))
{
m_CollidedEntityPos = a_Entity->GetPosition();
m_DoesInteserct = true;
return true;
}
return false;
}
bool FoundIntersection(void) const
{
return m_DoesInteserct;
}
Vector3d GetCollidedEntityPosition(void) const
{
return m_CollidedEntityPos;
}
protected:
bool m_DoesInteserct;
Vector3d m_CollidedEntityPos;
Vector3d m_Pos;
double m_Height, m_Width;
int m_UniqueID;
int m_AttacheeUniqueID;
};
cMinecart::cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z) :
super(etMinecart, a_X, a_Y, a_Z, 0.98, 0.7),
@ -30,7 +94,7 @@ cMinecart::cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z) :
SetMass(20.f);
SetMaxHealth(6);
SetHealth(6);
SetWidth(1.2);
SetWidth(1);
SetHeight(0.9);
}
@ -96,10 +160,17 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
if (IsBlockRail(InsideType)) AddPosY(1); // Push cart upwards
}
bool WasDetectorRail = false;
if (IsBlockRail(InsideType))
{
bool WasDetectorRail = false;
SnapToRail(InsideMeta);
if (InsideType == E_BLOCK_RAIL)
{
SnapToRail(InsideMeta);
}
else
{
SnapToRail(InsideMeta & 0x07);
}
switch (InsideType)
{
@ -116,12 +187,6 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
}
AddPosition(GetSpeed() * (a_Dt / 1000)); // Commit changes; as we use our own engine when on rails, this needs to be done, whereas it is normally in Entity.cpp
if (m_bIsOnDetectorRail && !WasDetectorRail)
{
m_World->SetBlock(m_DetectorRailPosition.x, m_DetectorRailPosition.y, m_DetectorRailPosition.z, E_BLOCK_DETECTOR_RAIL, m_World->GetBlockMeta(m_DetectorRailPosition) & 0x07);
m_bIsOnDetectorRail = false;
}
}
else
{
@ -129,6 +194,17 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
SetPosY(floor(GetPosY()) + 0.35); // HandlePhysics overrides this if minecart can fall, else, it is to stop ground clipping minecart bottom when off-rail
super::HandlePhysics(a_Dt, *Chunk);
}
if (m_bIsOnDetectorRail && !Vector3i((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ())).Equals(m_DetectorRailPosition))
{
m_World->SetBlock(m_DetectorRailPosition.x, m_DetectorRailPosition.y, m_DetectorRailPosition.z, E_BLOCK_DETECTOR_RAIL, m_World->GetBlockMeta(m_DetectorRailPosition) & 0x07);
m_bIsOnDetectorRail = false;
}
else if (WasDetectorRail)
{
m_bIsOnDetectorRail = true;
m_DetectorRailPosition = Vector3i((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
}
// Broadcast positioning changes to client
BroadcastMovementUpdate();
@ -154,7 +230,9 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
SetSpeedY(0); // Don't move vertically as on ground
SetSpeedX(0); // Correct diagonal movement from curved rails
if (TestBlockCollision(a_RailMeta)) return;
// Execute both the entity and block collision checks
bool BlckCol = TestBlockCollision(a_RailMeta), EntCol = TestEntityCollision(a_RailMeta);
if (EntCol || BlckCol) return;
if (GetSpeedZ() != 0) // Don't do anything if cart is stationary
{
@ -178,7 +256,8 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
SetSpeedY(0);
SetSpeedZ(0);
if (TestBlockCollision(a_RailMeta)) return;
bool BlckCol = TestBlockCollision(a_RailMeta), EntCol = TestEntityCollision(a_RailMeta);
if (EntCol || BlckCol) return;
if (GetSpeedX() != 0)
{
@ -281,94 +360,46 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
{
SetYaw(315); // Set correct rotation server side
SetPosY(floor(GetPosY()) + 0.55); // Levitate dat cart
SetSpeedY(0);
if (TestBlockCollision(a_RailMeta)) return;
TestBlockCollision(a_RailMeta);
TestEntityCollision(a_RailMeta);
// SnapToRail handles turning
if (GetSpeedZ() > 0) // Cart moving south
{
int OldX = (int)floor(GetPosX());
AddSpeedX(-GetSpeedZ() + 0.5); // See below
AddPosX(-GetSpeedZ() * (a_Dt / 1000)); // Diagonally move southwest (which will make cart hit a southwest rail)
// If we are already at southwest rail, set Z speed to zero as we can be moving so fast, MCS doesn't tick fast enough to active the handle for the rail...
// ...and so we derail unexpectedly.
if (GetPosX() <= OldX - 1) SetSpeedZ(0);
}
else if (GetSpeedX() > 0) // Cart moving east
{
int OldZ = (int)floor(GetPosZ());
AddSpeedZ(-GetSpeedX() + 0.5);
AddPosZ(-GetSpeedX() * (a_Dt / 1000)); // Diagonally move northeast
if (GetPosZ() <= OldZ - 1) SetSpeedX(0);
}
break;
}
case E_META_RAIL_CURVED_ZM_XP: // Curved NORTH EAST
{
SetYaw(225);
SetPosY(floor(GetPosY()) + 0.55);
SetSpeedY(0);
if (TestBlockCollision(a_RailMeta)) return;
TestBlockCollision(a_RailMeta);
TestEntityCollision(a_RailMeta);
if (GetSpeedZ() > 0)
{
int OldX = (int)floor(GetPosX());
AddSpeedX(GetSpeedZ() - 0.5);
AddPosX(GetSpeedZ() * (a_Dt / 1000));
if (GetPosX() >= OldX + 1) SetSpeedZ(0);
}
else if (GetSpeedX() < 0)
{
int OldZ = (int)floor(GetPosZ());
AddSpeedZ(GetSpeedX() + 0.5);
AddPosZ(GetSpeedX() * (a_Dt / 1000));
if (GetPosZ() <= OldZ - 1) SetSpeedX(0);
}
break;
}
case E_META_RAIL_CURVED_ZP_XM: // Curved SOUTH WEST
{
SetYaw(135);
SetPosY(floor(GetPosY()) + 0.55);
SetSpeedY(0);
if (TestBlockCollision(a_RailMeta)) return;
TestBlockCollision(a_RailMeta);
TestEntityCollision(a_RailMeta);
if (GetSpeedZ() < 0)
{
int OldX = (int)floor(GetPosX());
AddSpeedX(GetSpeedZ() + 0.5);
AddPosX(GetSpeedZ() * (a_Dt / 1000));
if (GetPosX() <= OldX - 1) SetSpeedZ(0);
}
else if (GetSpeedX() > 0)
{
int OldZ = (int)floor(GetPosZ());
AddSpeedZ(GetSpeedX() - 0.5);
AddPosZ(GetSpeedX() * (a_Dt / 1000));
if (GetPosZ() >= OldZ + 1) SetSpeedX(0);
}
break;
}
case E_META_RAIL_CURVED_ZP_XP: // Curved SOUTH EAST
{
SetYaw(45);
SetPosY(floor(GetPosY()) + 0.55);
SetSpeedY(0);
if (TestBlockCollision(a_RailMeta)) return;
TestBlockCollision(a_RailMeta);
TestEntityCollision(a_RailMeta);
if (GetSpeedZ() < 0)
{
int OldX = (int)floor(GetPosX());
AddSpeedX(-GetSpeedZ() - 0.5);
AddPosX(-GetSpeedZ() * (a_Dt / 1000));
if (GetPosX() >= OldX + 1) SetSpeedZ(0);
}
else if (GetSpeedX() < 0)
{
int OldZ = (int)floor(GetPosZ());
AddSpeedZ(-GetSpeedX() - 0.5);
AddPosZ(-GetSpeedX() * (a_Dt / 1000));
if (GetPosZ() >= OldZ + 1) SetSpeedX(0);
}
break;
}
default:
@ -385,8 +416,8 @@ void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
{
// Initialise to 'slow down' values
int AccelDecelSpeed = -1;
int AccelDecelNegSpeed = 1;
int AccelDecelSpeed = -2;
int AccelDecelNegSpeed = 2;
if ((a_RailMeta & 0x8) == 0x8)
{
@ -404,17 +435,18 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedY(0);
SetSpeedX(0);
if (TestBlockCollision(a_RailMeta)) return;
bool BlckCol = TestBlockCollision(a_RailMeta), EntCol = TestEntityCollision(a_RailMeta);
if (EntCol || BlckCol) return;
if (GetSpeedZ() != 0)
{
if (GetSpeedZ() > 0)
{
AddSpeedZ(AccelDecelNegSpeed);
AddSpeedZ(AccelDecelSpeed);
}
else
{
AddSpeedZ(AccelDecelSpeed);
AddSpeedZ(AccelDecelNegSpeed);
}
}
break;
@ -426,7 +458,8 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
SetSpeedY(0);
SetSpeedZ(0);
if (TestBlockCollision(a_RailMeta)) return;
bool BlckCol = TestBlockCollision(a_RailMeta), EntCol = TestEntityCollision(a_RailMeta);
if (EntCol || BlckCol) return;
if (GetSpeedX() != 0)
{
@ -441,6 +474,87 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
}
break;
}
case E_META_RAIL_ASCEND_XM: // ASCEND EAST
{
SetYaw(180);
SetSpeedZ(0);
if (GetSpeedX() >= 0)
{
if (GetSpeedX() <= MAX_SPEED)
{
AddSpeedX(AccelDecelSpeed);
SetSpeedY(-GetSpeedX());
}
}
else
{
AddSpeedX(AccelDecelNegSpeed);
SetSpeedY(-GetSpeedX());
}
break;
}
case E_META_RAIL_ASCEND_XP: // ASCEND WEST
{
SetYaw(180);
SetSpeedZ(0);
if (GetSpeedX() > 0)
{
AddSpeedX(AccelDecelSpeed);
SetSpeedY(GetSpeedX());
}
else
{
if (GetSpeedX() >= MAX_SPEED_NEGATIVE)
{
AddSpeedX(AccelDecelNegSpeed);
SetSpeedY(GetSpeedX());
}
}
break;
}
case E_META_RAIL_ASCEND_ZM: // ASCEND NORTH
{
SetYaw(270);
SetSpeedX(0);
if (GetSpeedZ() >= 0)
{
if (GetSpeedZ() <= MAX_SPEED)
{
AddSpeedZ(AccelDecelSpeed);
SetSpeedY(-GetSpeedZ());
}
}
else
{
AddSpeedZ(AccelDecelNegSpeed);
SetSpeedY(-GetSpeedZ());
}
break;
}
case E_META_RAIL_ASCEND_ZP: // ASCEND SOUTH
{
SetYaw(270);
SetSpeedX(0);
if (GetSpeedZ() > 0)
{
AddSpeedZ(AccelDecelSpeed);
SetSpeedY(GetSpeedZ());
}
else
{
if (GetSpeedZ() >= MAX_SPEED_NEGATIVE)
{
AddSpeedZ(AccelDecelNegSpeed);
SetSpeedY(GetSpeedZ());
}
}
break;
}
default: ASSERT(!"Unhandled powered rail metadata!"); break;
}
}
@ -450,11 +564,17 @@ void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
void cMinecart::HandleDetectorRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
{
m_bIsOnDetectorRail = true;
m_DetectorRailPosition = Vector3i((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
m_World->SetBlockMeta(m_DetectorRailPosition, a_RailMeta | 0x08);
// No special handling
HandleRailPhysics(a_RailMeta & 0x07, a_Dt);
}
void cMinecart::HandleActivatorRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
{
HandleRailPhysics(a_RailMeta & 0x07, a_Dt);
}
@ -482,6 +602,107 @@ void cMinecart::SnapToRail(NIBBLETYPE a_RailMeta)
SetPosX(floor(GetPosX()) + 0.5);
break;
}
// Curved rail physics: once minecart has reached more than half of the block in the direction that it is travelling in, jerk it in the direction of curvature
case E_META_RAIL_CURVED_ZM_XM:
{
if (GetPosZ() > floor(GetPosZ()) + 0.5)
{
if (GetSpeedZ() > 0)
{
SetSpeedX(-GetSpeedZ() * 0.7);
}
SetSpeedZ(0);
SetPosZ(floor(GetPosZ()) + 0.5);
}
else if (GetPosX() > floor(GetPosX()) + 0.5)
{
if (GetSpeedX() > 0)
{
SetSpeedZ(-GetSpeedX() * 0.7);
}
SetSpeedX(0);
SetPosX(floor(GetPosX()) + 0.5);
}
SetSpeedY(0);
break;
}
case E_META_RAIL_CURVED_ZM_XP:
{
if (GetPosZ() > floor(GetPosZ()) + 0.5)
{
if (GetSpeedZ() > 0)
{
SetSpeedX(GetSpeedZ() * 0.7);
}
SetSpeedZ(0);
SetPosZ(floor(GetPosZ()) + 0.5);
}
else if (GetPosX() < floor(GetPosX()) + 0.5)
{
if (GetSpeedX() < 0)
{
SetSpeedZ(GetSpeedX() * 0.7);
}
SetSpeedX(0);
SetPosX(floor(GetPosX()) + 0.5);
}
SetSpeedY(0);
break;
}
case E_META_RAIL_CURVED_ZP_XM:
{
if (GetPosZ() < floor(GetPosZ()) + 0.5)
{
if (GetSpeedZ() < 0)
{
SetSpeedX(GetSpeedZ() * 0.7);
}
SetSpeedZ(0);
SetPosZ(floor(GetPosZ()) + 0.5);
}
else if (GetPosX() > floor(GetPosX()) + 0.5)
{
if (GetSpeedX() > 0)
{
SetSpeedZ(GetSpeedX() * 0.7);
}
SetSpeedX(0);
SetPosX(floor(GetPosX()) + 0.5);
}
SetSpeedY(0);
break;
}
case E_META_RAIL_CURVED_ZP_XP:
{
if (GetPosZ() < floor(GetPosZ()) + 0.5)
{
if (GetSpeedZ() < 0)
{
SetSpeedX(-GetSpeedZ() * 0.7);
}
SetSpeedZ(0);
SetPosZ(floor(GetPosZ()) + 0.5);
}
else if (GetPosX() < floor(GetPosX()) + 0.5)
{
if (GetSpeedX() < 0)
{
SetSpeedZ(-GetSpeedX() * 0.7);
}
SetSpeedX(0);
SetPosX(floor(GetPosX()) + 0.5);
}
SetSpeedY(0);
break;
}
default: break;
}
}
@ -513,7 +734,7 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
}
}
}
else
else if (GetSpeedZ() < 0)
{
BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1);
if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
@ -549,7 +770,7 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
}
}
}
else
else if (GetSpeedX() < 0)
{
BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
@ -597,10 +818,93 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
bool cMinecart::TestEntityCollision(NIBBLETYPE a_RailMeta)
{
cMinecartCollisionCallback MinecartCollisionCallback(GetPosition(), GetHeight(), GetWidth(), GetUniqueID(), ((m_Attachee == NULL) ? -1 : m_Attachee->GetUniqueID()));
int ChunkX, ChunkZ;
cChunkDef::BlockToChunk((int)floor(GetPosX()), (int)floor(GetPosZ()), ChunkX, ChunkZ);
m_World->ForEachEntityInChunk(ChunkX, ChunkZ, MinecartCollisionCallback);
if (!MinecartCollisionCallback.FoundIntersection())
{
return false;
}
switch (a_RailMeta)
{
case E_META_RAIL_ZM_ZP:
{
if (MinecartCollisionCallback.GetCollidedEntityPosition().z >= GetPosZ())
{
if ((-GetSpeedZ() * 0.4) < 0.01)
{
AddSpeedZ(-4);
}
else
{
SetSpeedZ(-GetSpeedZ() * 0.4);
}
}
else
{
if ((GetSpeedZ() * 0.4) < 0.01)
{
AddSpeedZ(4);
}
else
{
SetSpeedZ(GetSpeedZ() * 0.4);
}
}
return true;
}
case E_META_RAIL_XM_XP:
{
if (MinecartCollisionCallback.GetCollidedEntityPosition().x >= GetPosX())
{
if ((-GetSpeedX() * 0.4) < 0.01)
{
AddSpeedX(-4);
}
else
{
SetSpeedX(-GetSpeedX() * 0.4);
}
}
else
{
if ((GetSpeedX() * 0.4) < 0.01)
{
AddSpeedX(4);
}
else
{
SetSpeedX(GetSpeedX() * 0.4);
}
}
return true;
}
case E_META_RAIL_CURVED_ZM_XM:
case E_META_RAIL_CURVED_ZM_XP:
case E_META_RAIL_CURVED_ZP_XM:
case E_META_RAIL_CURVED_ZP_XP:
{
// TODO - simply can't be bothered right now
break;
}
default: break;
}
return false;
}
void cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
{
if (TDI.Attacker->IsPlayer() && ((cPlayer *)TDI.Attacker)->IsGameModeCreative())
if ((TDI.Attacker != NULL) && TDI.Attacker->IsPlayer() && ((cPlayer *)TDI.Attacker)->IsGameModeCreative())
{
Destroy();
TDI.FinalDamage = GetMaxHealth(); // Instant hit for creative

24
src/Entities/Minecart.h
View File

@ -15,20 +15,6 @@
inline bool IsBlockRail(BLOCKTYPE a_BlockType)
{
return (
(a_BlockType == E_BLOCK_RAIL) ||
(a_BlockType == E_BLOCK_ACTIVATOR_RAIL) ||
(a_BlockType == E_BLOCK_DETECTOR_RAIL) ||
(a_BlockType == E_BLOCK_POWERED_RAIL)
) ;
}
class cMinecart :
public cEntity
{
@ -79,10 +65,16 @@ protected:
*/
void HandleDetectorRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt);
/** Snaps a minecart to a rail's axis, resetting its speed */
/** Handles activator rails - placeholder for future implementation */
void HandleActivatorRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt);
/** Snaps a mincecart to a rail's axis, resetting its speed
For curved rails, it changes the cart's direction as well as snapping it to axis */
void SnapToRail(NIBBLETYPE a_RailMeta);
/** Tests is a solid block is in front of a cart, and stops the cart (and returns true) if so; returns false if no obstruction*/
/** Tests if a solid block is in front of a cart, and stops the cart (and returns true) if so; returns false if no obstruction */
bool TestBlockCollision(NIBBLETYPE a_RailMeta);
/** Tests if this mincecart's bounding box is intersecting another entity's bounding box (collision) and pushes mincecart away */
bool TestEntityCollision(NIBBLETYPE a_RailMeta);
} ;