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-rw-r--r--src/Entities/Entity.cpp5
-rw-r--r--src/Entities/Minecart.cpp310
-rw-r--r--src/Entities/Minecart.h7
3 files changed, 190 insertions, 132 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 8a74c9da4..fbf76e008 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);
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index f75e23d8b..710e033f0 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -11,6 +11,9 @@
#include "../Chunk.h"
#include "Player.h"
+#define MAX_SPEED 8
+#define MAX_SPEED_NEGATIVE -MAX_SPEED
+
@@ -70,286 +73,329 @@ 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);
+ if (IsBlockRail(InsideType)) AddPosY(1);
}
- else
+
+ if (IsBlockRail(InsideType))
{
- if (IsBlockRail(InsideType))
- {
- SetPosY(PosY + 1);
- HandleRailPhysics(a_Dt, *Chunk);
- }
- else
+ SnapToRail(InsideMeta);
+
+ switch (InsideType)
{
- super::HandlePhysics(a_Dt, *Chunk);
- BroadcastMovementUpdate();
+ case E_BLOCK_RAIL: HandleRailPhysics(InsideMeta); break;
+ case E_BLOCK_DETECTOR_RAIL: break;
+ case E_BLOCK_ACTIVATOR_RAIL: break;
+ case E_BLOCK_POWERED_RAIL: HandlePoweredRailPhysics(InsideMeta); break;
+ default: VERIFY(!"Unhandled rail type despite checking if block was rail!"); break;
}
+
+ AddPosition(GetSpeed() * (a_Dt / 1000));
+ }
+ else
+ {
+ 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);
}
+
+ 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)
{
-
- 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 (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 (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)
- {
- SpeedX = SpeedX - 0.5;
- SpeedY = SpeedX;
- }
- else
+ if (GetSpeedX() >= MAX_SPEED_NEGATIVE)
{
- 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()) + 0.3); // Levitate dat cart
- 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)
+ SetSpeedX(-GetSpeedZ()); // Diagonally move southwest (which will make cart hit a southwest rail)
}
- else if (SpeedX > 0) // Cart moving east
+ else if (GetSpeedX() > 0) // Cart moving east
{
- SpeedZ = (0 - SpeedX); // Diagonally move northeast
+ SetSpeedZ(-GetSpeedX()); // Diagonally move northeast
}
break;
}
-
case E_META_RAIL_CURVED_ZM_XP: // Curved NORTH EAST
{
SetRotation(225);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.3);
- if (SpeedZ > 0)
+ if (GetSpeedZ() > 0)
{
- SpeedX = SpeedZ;
+ SetSpeedX(GetSpeedZ());
}
- else if (SpeedX < 0)
+ else if (GetSpeedX() < 0)
{
- SpeedZ = SpeedX;
+ SetSpeedZ(GetSpeedX());
}
break;
}
-
case E_META_RAIL_CURVED_ZP_XM: // Curved SOUTH WEST
{
SetRotation(135);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.3);
- if (SpeedZ < 0)
+ if (GetSpeedZ() < 0)
{
- SpeedX = SpeedZ;
+ SetSpeedX(GetSpeedZ());
}
- else if (SpeedX > 0)
+ else if (GetSpeedX() > 0)
{
- SpeedZ = SpeedX;
+ SetSpeedZ(GetSpeedX());
}
break;
}
-
case E_META_RAIL_CURVED_ZP_XP: // Curved SOUTH EAST
{
SetRotation(45);
- SetPosY(floor(GetPosY()) + 0.2);
+ SetPosY(floor(GetPosY()) + 0.3);
- if (SpeedZ < 0)
+ if (GetSpeedZ() < 0)
{
- SpeedX = (0 - SpeedZ);
+ SetSpeedX(-GetSpeedZ());
}
- else if (SpeedX < 0)
+ else if (GetSpeedX() < 0)
{
- SpeedZ = (0 - SpeedX);
+ SetSpeedZ(-GetSpeedX());
}
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)
+{
+ if ((a_RailMeta & 0x8) == 0x8)
+ {
+ switch (a_RailMeta & 0x07)
+ {
+ case E_META_RAIL_ZM_ZP: // NORTHSOUTH
+ {
+ SetRotation(270);
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0); // Don't move vertically as on ground
+ SetSpeedX(0); // Correct diagonal movement from curved rails
+
+ if (GetSpeedZ() != 0) // Don't do anything if cart is stationary
+ {
+ if (GetSpeedZ() > 0)
+ {
+ // Going SOUTH, slow down
+ AddSpeedZ(1);
+ }
+ else
+ {
+ // Going NORTH, slow down
+ AddSpeedZ(-1);
+ }
+ }
+ break;
+ }
+ case E_META_RAIL_XM_XP: // EASTWEST
+ {
+ SetRotation(180);
+ SetPosY(floor(GetPosY()) + 0.55);
+ SetSpeedY(0);
+ SetSpeedZ(0);
+
+ if (GetSpeedX() != 0)
+ {
+ if (GetSpeedX() > 0)
+ {
+ AddSpeedX(-1);
+ }
+ else
+ {
+ AddSpeedX(1);
+ }
+ }
+ break;
+ }
+ }
+ }
+}
+
+
+
+
+
+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()) + 0.3);
+ break;
+ }
+ case E_META_RAIL_ASCEND_ZM:
+ case E_META_RAIL_ASCEND_ZP:
+ case E_META_RAIL_ZM_ZP:
+ {
+ SetSpeedX(0);
+ SetPosX(floor(GetPosX()) + 0.3);
+ break;
+ }
+ default: break;
+ }
}
@@ -358,6 +404,14 @@ 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 +419,7 @@ void cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
if (GetHealth() <= 0)
{
- Destroy(true);
+ Destroy();
cItems Drops;
switch (m_Payload)
diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h
index b1b48be4e..e353e18d9 100644
--- a/src/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
@@ -53,15 +53,16 @@ public:
virtual void DoTakeDamage(TakeDamageInfo & TDI) 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;
cMinecart(ePayload a_Payload, double a_X, double a_Y, double a_Z);
-
- int m_LastDamage;
+ void HandleRailPhysics(NIBBLETYPE a_RailMeta);
+ void HandlePoweredRailPhysics(NIBBLETYPE a_RailMeta);
+ void SnapToRail(NIBBLETYPE a_RailMeta);
} ;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 06:10:44 +0100