diff options
Diffstat (limited to 'src/Entities')
| -rw-r--r-- | src/Entities/Entity.cpp | 57 | ||||
| -rw-r--r-- | src/Entities/Entity.h | 2 | ||||
| -rw-r--r-- | src/Entities/Minecart.cpp | 515 | ||||
| -rw-r--r-- | src/Entities/Minecart.h | 25 | ||||
| -rw-r--r-- | src/Entities/Player.cpp | 30 | ||||
| -rw-r--r-- | src/Entities/Player.h | 2 |
6 files changed, 461 insertions, 170 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..be95b2128 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 - { - SpeedZ = SpeedZ + 0.5; // Speed up - SpeedY = (0 - SpeedZ); // Downward movement is negative (0 minus positive numbers is negative) - } - else + if (GetSpeedZ() <= MAX_SPEED) // Speed limit { - 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) + if (GetSpeedX() <= MAX_SPEED) { - SpeedX = SpeedX + 0.5; - SpeedY = (0 - SpeedX); - } - else - { - 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 (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_XM: // Curved SOUTH WEST { SetRotation(135); - 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_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: diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h index b1b48be4e..feb700b71 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); } ; 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; |