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-rw-r--r--src/Entities/Entity.cpp57
-rw-r--r--src/Entities/Entity.h2
-rw-r--r--src/Entities/Minecart.cpp550
-rw-r--r--src/Entities/Minecart.h35
-rw-r--r--src/Entities/Player.cpp30
-rw-r--r--src/Entities/Player.h2
6 files changed, 503 insertions, 173 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 8a74c9da4..cd97c6766 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -321,7 +321,10 @@ void cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
m_Health = 0;
}
- AddSpeed(a_TDI.Knockback * 2);
+ if (IsMob() || IsPlayer()) // Knockback for only players and mobs
+ {
+ AddSpeed(a_TDI.Knockback * 2);
+ }
m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_HURT);
@@ -626,11 +629,6 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
fallspeed = m_Gravity * a_Dt / 3; // Fall 3x slower in water.
}
- else if (IsBlockRail(BlockBelow) && IsMinecart()) // Rails aren't solid, except for Minecarts
- {
- fallspeed = 0;
- m_bOnGround = true;
- }
else if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.y *= 0.05; // Reduce overall falling speed
@@ -645,41 +643,18 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
}
else
{
- if (IsMinecart())
+ // Friction
+ if (NextSpeed.SqrLength() > 0.0004f)
{
- if (!IsBlockRail(BlockBelow))
+ NextSpeed.x *= 0.7f / (1 + a_Dt);
+ if (fabs(NextSpeed.x) < 0.05)
{
- // Friction if minecart is off track, otherwise, Minecart.cpp handles this
- if (NextSpeed.SqrLength() > 0.0004f)
- {
- NextSpeed.x *= 0.7f / (1 + a_Dt);
- if (fabs(NextSpeed.x) < 0.05)
- {
- NextSpeed.x = 0;
- }
- NextSpeed.z *= 0.7f / (1 + a_Dt);
- if (fabs(NextSpeed.z) < 0.05)
- {
- NextSpeed.z = 0;
- }
- }
+ NextSpeed.x = 0;
}
- }
- else
- {
- // Friction for non-minecarts
- if (NextSpeed.SqrLength() > 0.0004f)
+ NextSpeed.z *= 0.7f / (1 + a_Dt);
+ if (fabs(NextSpeed.z) < 0.05)
{
- NextSpeed.x *= 0.7f / (1 + a_Dt);
- if (fabs(NextSpeed.x) < 0.05)
- {
- NextSpeed.x = 0;
- }
- NextSpeed.z *= 0.7f / (1 + a_Dt);
- if (fabs(NextSpeed.z) < 0.05)
- {
- NextSpeed.z = 0;
- }
+ NextSpeed.z = 0;
}
}
}
@@ -1104,9 +1079,11 @@ void cEntity::AttachTo(cEntity * a_AttachTo)
// Already attached to that entity, nothing to do here
return;
}
-
- // Detach from any previous entity:
- Detach();
+ if (m_AttachedTo != NULL)
+ {
+ // Detach from any previous entity:
+ Detach();
+ }
// Attach to the new entity:
m_AttachedTo = a_AttachTo;
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 2ba1b303d..878e69668 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -327,7 +327,7 @@ public:
void AttachTo(cEntity * a_AttachTo);
/// Detaches from the currently attached entity, if any
- void Detach(void);
+ virtual void Detach(void);
/// Makes sure head yaw is not over the specified range.
void WrapHeadYaw();
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index f75e23d8b..7f3fea5ec 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -2,6 +2,7 @@
// Minecart.cpp
// Implements the cMinecart class representing a minecart in the world
+// Handles physics when a minecart is on any type of rail (overrides simulator in Entity.cpp)
// Indiana Jones!
#include "Globals.h"
@@ -10,6 +11,10 @@
#include "../ClientHandle.h"
#include "../Chunk.h"
#include "Player.h"
+#include "../BoundingBox.h"
+
+#define MAX_SPEED 8
+#define MAX_SPEED_NEGATIVE -MAX_SPEED
@@ -18,11 +23,15 @@
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),
m_Payload(a_Payload),
- m_LastDamage(0)
+ m_LastDamage(0),
+ m_DetectorRailPosition(0, 0, 0),
+ m_bIsOnDetectorRail(false)
{
SetMass(20.f);
SetMaxHealth(6);
SetHealth(6);
+ SetWidth(1.2);
+ SetHeight(0.9);
}
@@ -53,6 +62,11 @@ void cMinecart::SpawnOn(cClientHandle & a_ClientHandle)
void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
+ if (IsDestroyed()) // Mainly to stop detector rails triggering again after minecart is dead
+ {
+ return;
+ }
+
int PosY = (int)floor(GetPosY());
if ((PosY <= 0) || (PosY >= cChunkDef::Height))
{
@@ -70,286 +84,513 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
// Inside an unloaded chunk, bail out all processing
return;
}
- BLOCKTYPE BelowType = Chunk->GetBlock(RelPosX, PosY - 1, RelPosZ);
- BLOCKTYPE InsideType = Chunk->GetBlock(RelPosX, PosY, RelPosZ);
- if (IsBlockRail(BelowType))
+ BLOCKTYPE InsideType;
+ NIBBLETYPE InsideMeta;
+ Chunk->GetBlockTypeMeta(RelPosX, PosY, RelPosZ, InsideType, InsideMeta);
+
+ if (!IsBlockRail(InsideType))
{
- HandleRailPhysics(a_Dt, *Chunk);
+ Chunk->GetBlockTypeMeta(RelPosX, PosY + 1, RelPosZ, InsideType, InsideMeta); // When an descending minecart hits a flat rail, it goes through the ground; check for this
+ if (IsBlockRail(InsideType)) AddPosY(1); // Push cart upwards
}
- else
+
+ if (IsBlockRail(InsideType))
{
- if (IsBlockRail(InsideType))
+ bool WasDetectorRail = false;
+ SnapToRail(InsideMeta);
+
+ switch (InsideType)
{
- SetPosY(PosY + 1);
- HandleRailPhysics(a_Dt, *Chunk);
+ case E_BLOCK_RAIL: HandleRailPhysics(InsideMeta, a_Dt); break;
+ case E_BLOCK_ACTIVATOR_RAIL: break;
+ case E_BLOCK_POWERED_RAIL: HandlePoweredRailPhysics(InsideMeta); break;
+ case E_BLOCK_DETECTOR_RAIL:
+ {
+ HandleDetectorRailPhysics(InsideMeta, a_Dt);
+ WasDetectorRail = true;
+ break;
+ }
+ default: VERIFY(!"Unhandled rail type despite checking if block was rail!"); break;
}
- else
+
+ 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)
{
- super::HandlePhysics(a_Dt, *Chunk);
- BroadcastMovementUpdate();
+ 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
+ {
+ // Not on rail, default physics
+ 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);
+ }
+
+ // Broadcast positioning changes to client
+ BroadcastMovementUpdate();
}
-static const double MAX_SPEED = 8;
-static const double MAX_SPEED_NEGATIVE = (0 - MAX_SPEED);
-
-void cMinecart::HandleRailPhysics(float a_Dt, cChunk & a_Chunk)
+void cMinecart::HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt)
{
-
- super::HandlePhysics(a_Dt, a_Chunk); // Main physics handling
-
/*
NOTE: Please bear in mind that taking away from negatives make them even more negative,
adding to negatives make them positive, etc.
*/
- // Get block meta below the cart
- int RelPosX = (int)floor(GetPosX()) - a_Chunk.GetPosX() * cChunkDef::Width;
- int RelPosZ = (int)floor(GetPosZ()) - a_Chunk.GetPosZ() * cChunkDef::Width;
- NIBBLETYPE BelowMeta = a_Chunk.GetMeta(RelPosX, (int)floor(GetPosY() - 1), RelPosZ);
- double SpeedX = GetSpeedX(), SpeedY = GetSpeedY(), SpeedZ = GetSpeedZ(); // Get current speed
-
- switch (BelowMeta)
+ switch (a_RailMeta)
{
case E_META_RAIL_ZM_ZP: // NORTHSOUTH
{
SetRotation(270);
- SpeedY = 0; // Don't move vertically as on ground
- SpeedX = 0; // Correct diagonal movement from curved rails
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0); // Don't move vertically as on ground
+ SetSpeedX(0); // Correct diagonal movement from curved rails
+
+ if (TestBlockCollision(a_RailMeta)) return;
- if (SpeedZ != 0) // Don't do anything if cart is stationary
+ if (GetSpeedZ() != 0) // Don't do anything if cart is stationary
{
- if (SpeedZ > 0)
+ if (GetSpeedZ() > 0)
{
// Going SOUTH, slow down
- SpeedZ = SpeedZ - 0.1;
+ AddSpeedZ(-0.1);
}
else
{
// Going NORTH, slow down
- SpeedZ = SpeedZ + 0.1;
+ AddSpeedZ(0.1);
}
}
break;
}
-
case E_META_RAIL_XM_XP: // EASTWEST
{
SetRotation(180);
- SpeedY = 0;
- SpeedZ = 0;
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0);
+ SetSpeedZ(0);
+
+ if (TestBlockCollision(a_RailMeta)) return;
- if (SpeedX != 0)
+ if (GetSpeedX() != 0)
{
- if (SpeedX > 0)
+ if (GetSpeedX() > 0)
{
- SpeedX = SpeedX - 0.1;
+ AddSpeedX(-0.1);
}
else
{
- SpeedX = SpeedX + 0.1;
+ AddSpeedX(0.1);
}
}
break;
}
-
case E_META_RAIL_ASCEND_ZM: // ASCEND NORTH
{
SetRotation(270);
- SetPosY(floor(GetPosY()) + 0.2); // It seems it doesn't work without levitation :/
- SpeedX = 0;
+ SetSpeedX(0);
- if (SpeedZ >= 0)
+ if (GetSpeedZ() >= 0)
{
// SpeedZ POSITIVE, going SOUTH
- if (SpeedZ <= MAX_SPEED) // Speed limit
+ if (GetSpeedZ() <= MAX_SPEED) // Speed limit
{
- SpeedZ = SpeedZ + 0.5; // Speed up
- SpeedY = (0 - SpeedZ); // Downward movement is negative (0 minus positive numbers is negative)
- }
- else
- {
- SpeedZ = MAX_SPEED; // Enforce speed limit
- SpeedY = (0 - SpeedZ);
+ AddSpeedZ(0.5); // Speed up
+ SetSpeedY(-GetSpeedZ()); // Downward movement is negative (0 minus positive numbers is negative)
}
}
else
{
// SpeedZ NEGATIVE, going NORTH
- SpeedZ = SpeedZ + 0.4; // Slow down
- SpeedY = (0 - SpeedZ); // Upward movement is positive (0 minus negative number is positive number)
+ AddSpeedZ(1); // Slow down
+ SetSpeedY(-GetSpeedZ()); // Upward movement is positive (0 minus negative number is positive number)
}
break;
}
-
case E_META_RAIL_ASCEND_ZP: // ASCEND SOUTH
{
SetRotation(270);
- SetPosY(floor(GetPosY()) + 0.2);
- SpeedX = 0;
+ SetSpeedX(0);
- if (SpeedZ > 0)
+ if (GetSpeedZ() > 0)
{
// SpeedZ POSITIVE, going SOUTH
- SpeedZ = SpeedZ - 0.4; // Slow down
- SpeedY = SpeedZ; // Upward movement positive
+ AddSpeedZ(-1); // Slow down
+ SetSpeedY(GetSpeedZ()); // Upward movement positive
}
else
{
- if (SpeedZ >= MAX_SPEED_NEGATIVE) // Speed limit
+ if (GetSpeedZ() >= MAX_SPEED_NEGATIVE) // Speed limit
{
// SpeedZ NEGATIVE, going NORTH
- SpeedZ = SpeedZ - 0.5; // Speed up
- SpeedY = SpeedZ; // Downward movement negative
- }
- else
- {
- SpeedZ = MAX_SPEED_NEGATIVE; // Enforce speed limit
- SpeedY = SpeedZ;
+ AddSpeedZ(-0.5); // Speed up
+ SetSpeedY(GetSpeedZ()); // Downward movement negative
}
}
break;
}
-
case E_META_RAIL_ASCEND_XM: // ASCEND EAST
{
SetRotation(180);
- SetPosY(floor(GetPosY()) + 0.2);
- SpeedZ = 0;
+ SetSpeedZ(0);
- if (SpeedX >= 0)
+ if (GetSpeedX() >= 0)
{
- if (SpeedX <= MAX_SPEED)
- {
- SpeedX = SpeedX + 0.5;
- SpeedY = (0 - SpeedX);
- }
- else
+ if (GetSpeedX() <= MAX_SPEED)
{
- SpeedX = MAX_SPEED;
- SpeedY = (0 - SpeedX);
+ AddSpeedX(0.5);
+ SetSpeedY(-GetSpeedX());
}
}
else
{
- SpeedX = SpeedX + 0.4;
- SpeedY = (0 - SpeedX);
+ AddSpeedX(1);
+ SetSpeedY(-GetSpeedX());
}
break;
}
-
case E_META_RAIL_ASCEND_XP: // ASCEND WEST
{
SetRotation(180);
- SetPosY(floor(GetPosY()) + 0.2);
- SpeedZ = 0;
+ SetSpeedZ(0);
- if (SpeedX > 0)
+ if (GetSpeedX() > 0)
{
- SpeedX = SpeedX - 0.4;
- SpeedY = SpeedX;
+ AddSpeedX(-1);
+ SetSpeedY(GetSpeedX());
}
else
{
- if (SpeedX >= MAX_SPEED_NEGATIVE)
+ if (GetSpeedX() >= MAX_SPEED_NEGATIVE)
{
- SpeedX = SpeedX - 0.5;
- SpeedY = SpeedX;
- }
- else
- {
- SpeedX = MAX_SPEED_NEGATIVE;
- SpeedY = SpeedX;
+ AddSpeedX(-0.5);
+ SetSpeedY(GetSpeedX());
}
}
break;
}
-
case E_META_RAIL_CURVED_ZM_XM: // Ends pointing NORTH and WEST
{
SetRotation(315); // Set correct rotation server side
- SetPosY(floor(GetPosY()) + 0.2); // Levitate dat cart
+ SetPosY(floor(GetPosY()) + 0.55); // Levitate dat cart
+
+ if (TestBlockCollision(a_RailMeta)) return;
- if (SpeedZ > 0) // Cart moving south
+ if (GetSpeedZ() > 0) // Cart moving south
{
- SpeedX = (0 - SpeedZ); // Diagonally move southwest (which will make cart hit a southwest rail)
+ 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 (SpeedX > 0) // Cart moving east
+ else if (GetSpeedX() > 0) // Cart moving east
{
- SpeedZ = (0 - SpeedX); // Diagonally move northeast
+ 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
{
SetRotation(225);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.55);
+
+ if (TestBlockCollision(a_RailMeta)) return;
- if (SpeedZ > 0)
+ if (GetSpeedZ() > 0)
{
- SpeedX = SpeedZ;
+ int OldX = (int)floor(GetPosX());
+ AddSpeedX(GetSpeedZ() - 0.5);
+ AddPosX(GetSpeedZ() * (a_Dt / 1000));
+ if (GetPosX() >= OldX + 1) SetSpeedZ(0);
}
- else if (SpeedX < 0)
+ else if (GetSpeedX() < 0)
{
- SpeedZ = SpeedX;
+ 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
{
SetRotation(135);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.55);
- if (SpeedZ < 0)
+ if (TestBlockCollision(a_RailMeta)) return;
+
+ if (GetSpeedZ() < 0)
{
- SpeedX = SpeedZ;
+ int OldX = (int)floor(GetPosX());
+ AddSpeedX(GetSpeedZ() + 0.5);
+ AddPosX(GetSpeedZ() * (a_Dt / 1000));
+ if (GetPosX() <= OldX - 1) SetSpeedZ(0);
}
- else if (SpeedX > 0)
+ else if (GetSpeedX() > 0)
{
- SpeedZ = SpeedX;
+ 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
{
SetRotation(45);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.55);
+
+ if (TestBlockCollision(a_RailMeta)) return;
- if (SpeedZ < 0)
+ if (GetSpeedZ() < 0)
{
- SpeedX = (0 - SpeedZ);
+ int OldX = (int)floor(GetPosX());
+ AddSpeedX(-GetSpeedZ() - 0.5);
+ AddPosX(-GetSpeedZ() * (a_Dt / 1000));
+ if (GetPosX() >= OldX + 1) SetSpeedZ(0);
}
- else if (SpeedX < 0)
+ else if (GetSpeedX() < 0)
{
- SpeedZ = (0 - SpeedX);
+ int OldZ = (int)floor(GetPosZ());
+ AddSpeedZ(-GetSpeedX() - 0.5);
+ AddPosZ(-GetSpeedX() * (a_Dt / 1000));
+ if (GetPosZ() >= OldZ + 1) SetSpeedX(0);
}
break;
}
-
default:
{
ASSERT(!"Unhandled rail meta!"); // Dun dun DUN!
break;
}
}
+}
- // Set speed to speed variables
- SetSpeedX(SpeedX);
- SetSpeedY(SpeedY);
- SetSpeedZ(SpeedZ);
- // Broadcast position to client
- BroadcastMovementUpdate();
+
+void cMinecart::HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta)
+{
+ // Initialise to 'slow down' values
+ int AccelDecelSpeed = -1;
+ int AccelDecelNegSpeed = 1;
+
+ if ((a_RailMeta & 0x8) == 0x8)
+ {
+ // Rail powered - set variables to 'speed up' values
+ AccelDecelSpeed = 1;
+ AccelDecelNegSpeed = -1;
+ }
+
+ switch (a_RailMeta & 0x07)
+ {
+ case E_META_RAIL_ZM_ZP: // NORTHSOUTH
+ {
+ SetRotation(270);
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0);
+ SetSpeedX(0);
+
+ if (TestBlockCollision(a_RailMeta)) return;
+
+ if (GetSpeedZ() != 0)
+ {
+ if (GetSpeedZ() > 0)
+ {
+ AddSpeedZ(AccelDecelNegSpeed);
+ }
+ else
+ {
+ AddSpeedZ(AccelDecelSpeed);
+ }
+ }
+ break;
+ }
+ case E_META_RAIL_XM_XP: // EASTWEST
+ {
+ SetRotation(180);
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0);
+ SetSpeedZ(0);
+
+ if (TestBlockCollision(a_RailMeta)) return;
+
+ if (GetSpeedX() != 0)
+ {
+ if (GetSpeedX() > 0)
+ {
+ AddSpeedX(AccelDecelSpeed);
+ }
+ else
+ {
+ AddSpeedX(AccelDecelNegSpeed);
+ }
+ }
+ break;
+ }
+ }
+}
+
+
+
+
+
+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);
+
+ HandleRailPhysics(a_RailMeta & 0x07, a_Dt);
+}
+
+
+
+
+
+void cMinecart::SnapToRail(NIBBLETYPE a_RailMeta)
+{
+ switch (a_RailMeta)
+ {
+ case E_META_RAIL_ASCEND_XM:
+ case E_META_RAIL_ASCEND_XP:
+ case E_META_RAIL_XM_XP:
+ {
+ SetSpeedZ(0);
+ SetPosZ(floor(GetPosZ()) + 0.5);
+ break;
+ }
+ case E_META_RAIL_ASCEND_ZM:
+ case E_META_RAIL_ASCEND_ZP:
+ case E_META_RAIL_ZM_ZP:
+ {
+ SetSpeedX(0);
+ SetPosX(floor(GetPosX()) + 0.5);
+ break;
+ }
+ default: break;
+ }
+}
+
+
+
+
+
+bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
+{
+ switch (a_RailMeta)
+ {
+ case E_META_RAIL_ZM_ZP:
+ {
+ if (GetSpeedZ() > 0)
+ {
+ BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)ceil(GetPosZ()));
+ if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
+ {
+ // We could try to detect a block in front based purely on coordinates, but xoft made a bounding box system - why not use? :P
+ cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()), (int)floor(GetPosY()), (int)ceil(GetPosZ())), 0.5, 1);
+ cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
+
+ if (bbBlock.DoesIntersect(bbMinecart))
+ {
+ SetSpeed(0, 0, 0);
+ SetPosZ(floor(GetPosZ()) + 0.4);
+ return true;
+ }
+ }
+ }
+ else
+ {
+ BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1);
+ if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
+ {
+ cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1), 0.5, 1);
+ cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ() - 1), GetWidth() / 2, GetHeight());
+
+ if (bbBlock.DoesIntersect(bbMinecart))
+ {
+ SetSpeed(0, 0, 0);
+ SetPosZ(floor(GetPosZ()) + 0.65);
+ return true;
+ }
+ }
+ }
+ break;
+ }
+ case E_META_RAIL_XM_XP:
+ {
+ if (GetSpeedX() > 0)
+ {
+ BLOCKTYPE Block = m_World->GetBlock((int)ceil(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
+ if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
+ {
+ cBoundingBox bbBlock(Vector3d((int)ceil(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ())), 0.5, 1);
+ cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
+
+ if (bbBlock.DoesIntersect(bbMinecart))
+ {
+ SetSpeed(0, 0, 0);
+ SetPosX(floor(GetPosX()) + 0.4);
+ return true;
+ }
+ }
+ }
+ else
+ {
+ BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
+ if (!IsBlockRail(Block) && g_BlockIsSolid[Block])
+ {
+ cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ())), 0.5, 1);
+ cBoundingBox bbMinecart(Vector3d(GetPosX() - 1, floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
+
+ if (bbBlock.DoesIntersect(bbMinecart))
+ {
+ SetSpeed(0, 0, 0);
+ SetPosX(floor(GetPosX()) + 0.65);
+ return true;
+ }
+ }
+ }
+ break;
+ }
+ 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:
+ {
+ BLOCKTYPE BlockXM = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
+ BLOCKTYPE BlockXP = m_World->GetBlock((int)floor(GetPosX()) + 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
+ BLOCKTYPE BlockZM = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) + 1);
+ BLOCKTYPE BlockZP = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) + 1);
+ if (
+ (!IsBlockRail(BlockXM) && g_BlockIsSolid[BlockXM]) ||
+ (!IsBlockRail(BlockXP) && g_BlockIsSolid[BlockXP]) ||
+ (!IsBlockRail(BlockZM) && g_BlockIsSolid[BlockZM]) ||
+ (!IsBlockRail(BlockZP) && g_BlockIsSolid[BlockZP])
+ )
+ {
+ SetSpeed(0, 0, 0);
+ SetPosition((int)floor(GetPosX()) + 0.5, GetPosY(), (int)floor(GetPosZ()) + 0.5);
+ return true;
+ }
+ break;
+ }
+ default: break;
+ }
+ return false;
}
@@ -358,6 +599,14 @@ void cMinecart::HandleRailPhysics(float a_Dt, cChunk & a_Chunk)
void cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
{
+ if (TDI.Attacker->IsPlayer() && ((cPlayer *)TDI.Attacker)->IsGameModeCreative())
+ {
+ Destroy();
+ TDI.FinalDamage = GetMaxHealth(); // Instant hit for creative
+ super::DoTakeDamage(TDI);
+ return; // No drops for creative
+ }
+
m_LastDamage = TDI.FinalDamage;
super::DoTakeDamage(TDI);
@@ -365,7 +614,7 @@ void cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
if (GetHealth() <= 0)
{
- Destroy(true);
+ Destroy();
cItems Drops;
switch (m_Payload)
@@ -410,6 +659,18 @@ void cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
+void cMinecart::Destroyed()
+{
+ if (m_bIsOnDetectorRail)
+ {
+ m_World->SetBlock(m_DetectorRailPosition.x, m_DetectorRailPosition.y, m_DetectorRailPosition.z, E_BLOCK_DETECTOR_RAIL, m_World->GetBlockMeta(m_DetectorRailPosition) & 0x07);
+ }
+}
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cEmptyMinecart:
@@ -489,7 +750,8 @@ void cMinecartWithChest::OnRightClicked(cPlayer & a_Player)
cMinecartWithFurnace::cMinecartWithFurnace(double a_X, double a_Y, double a_Z) :
super(mpFurnace, a_X, a_Y, a_Z),
- m_IsFueled(false)
+ m_IsFueled(false),
+ m_FueledTimeLeft(-1)
{
}
@@ -505,8 +767,12 @@ void cMinecartWithFurnace::OnRightClicked(cPlayer & a_Player)
{
a_Player.GetInventory().RemoveOneEquippedItem();
}
-
+ if (!m_IsFueled) // We don't want to change the direction by right clicking it.
+ {
+ AddSpeed(a_Player.GetLookVector().x, 0, a_Player.GetLookVector().z);
+ }
m_IsFueled = true;
+ m_FueledTimeLeft = m_FueledTimeLeft + 600; // The minecart will be active 600 more ticks.
m_World->BroadcastEntityMetadata(*this);
}
}
@@ -515,6 +781,32 @@ void cMinecartWithFurnace::OnRightClicked(cPlayer & a_Player)
+void cMinecartWithFurnace::Tick(float a_Dt, cChunk & a_Chunk)
+{
+ super::Tick(a_Dt, a_Chunk);
+
+ if (m_IsFueled)
+ {
+ m_FueledTimeLeft--;
+ if (m_FueledTimeLeft < 0)
+ {
+ m_IsFueled = false;
+ m_World->BroadcastEntityMetadata(*this);
+ return;
+ }
+
+ if (GetSpeed().Length() > 6)
+ {
+ return;
+ }
+ AddSpeed(GetSpeed() / 4);
+ }
+}
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cMinecartWithTNT:
diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h
index b1b48be4e..1ebddfdda 100644
--- a/src/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
@@ -51,17 +51,38 @@ public:
virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk) override;
virtual void DoTakeDamage(TakeDamageInfo & TDI) override;
+ virtual void Destroyed() override;
int LastDamage(void) const { return m_LastDamage; }
- void HandleRailPhysics(float a_Dt, cChunk & a_Chunk);
ePayload GetPayload(void) const { return m_Payload; }
protected:
ePayload m_Payload;
+ int m_LastDamage;
+ Vector3i m_DetectorRailPosition;
+ bool m_bIsOnDetectorRail;
cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z);
- int m_LastDamage;
+ /** Handles physics on normal rails
+ For each tick, slow down on flat rails, speed up or slow down on ascending/descending rails (depending on direction), and turn on curved rails
+ */
+ void HandleRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt);
+
+ /** Handles powered rail physics
+ Each tick, speed up or slow down cart, depending on metadata of rail (powered or not)
+ */
+ void HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta);
+
+ /** Handles detector rail activation
+ Activates detector rails when a minecart is on them. Calls HandleRailPhysics() for physics simulations
+ */
+ void HandleDetectorRailPhysics(NIBBLETYPE a_RailMeta, float a_Dt);
+
+ /** Snaps a minecart to a rail's axis, resetting its speed */
+ 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*/
+ bool TestBlockCollision(NIBBLETYPE a_RailMeta);
} ;
@@ -130,10 +151,18 @@ public:
// cEntity overrides:
virtual void OnRightClicked(cPlayer & a_Player) override;
- bool IsFueled (void) const { return m_IsFueled; }
+ virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+
+ // Set functions.
+ void SetIsFueled(bool a_IsFueled, int a_FueledTimeLeft = -1) {m_IsFueled = a_IsFueled; m_FueledTimeLeft = a_FueledTimeLeft;}
+
+ // Get functions.
+ int GetFueledTimeLeft(void) const {return m_FueledTimeLeft; }
+ bool IsFueled (void) const {return m_IsFueled;}
private:
+ int m_FueledTimeLeft;
bool m_IsFueled;
} ;
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index bc92790aa..fa6422389 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -1884,3 +1884,33 @@ void cPlayer::ApplyFoodExhaustionFromMovement()
+
+void cPlayer::Detach()
+{
+ super::Detach();
+ int PosX = (int)floor(GetPosX());
+ int PosY = (int)floor(GetPosY());
+ int PosZ = (int)floor(GetPosZ());
+
+ // Search for a position within an area to teleport player after detachment
+ // Position must be solid land, and occupied by a nonsolid block
+ // If nothing found, player remains where they are
+ for (int x = PosX - 2; x <= (PosX + 2); ++x)
+ {
+ for (int y = PosY; y <= (PosY + 3); ++y)
+ {
+ for (int z = PosZ - 2; z <= (PosZ + 2); ++z)
+ {
+ if (!g_BlockIsSolid[m_World->GetBlock(x, y, z)] && g_BlockIsSolid[m_World->GetBlock(x, y - 1, z)])
+ {
+ TeleportToCoords(x, y, z);
+ return;
+ }
+ }
+ }
+ }
+}
+
+
+
+
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index f9ce950ba..bf3ca08e8 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -350,6 +350,8 @@ public:
virtual bool IsCrouched (void) const { return m_IsCrouched; }
virtual bool IsSprinting(void) const { return m_IsSprinting; }
virtual bool IsRclking (void) const { return IsEating(); }
+
+ virtual void Detach(void);
protected:
typedef std::map< std::string, bool > PermissionMap;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 18:42:56 +0100