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-rw-r--r--src/Entities/ProjectileEntity.cpp160
1 files changed, 136 insertions, 24 deletions
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index c63b9523b..fb25aea35 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -230,6 +230,8 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator,
case pkSnowball: return new cThrownSnowballEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkGhastFireball: return new cGhastFireballEntity (a_Creator, a_X, a_Y, a_Z, Speed);
case pkFireCharge: return new cFireChargeEntity (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkExpBottle: return new cExpBottleEntity (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkFirework: return new cFireworkEntity (a_Creator, a_X, a_Y, a_Z );
// TODO: the rest
}
@@ -287,7 +289,11 @@ AString cProjectileEntity::GetMCAClassName(void) const
void cProjectileEntity::Tick(float a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
- BroadcastMovementUpdate();
+
+ if (GetProjectileKind() != pkArrow) // See cArrow::Tick
+ {
+ BroadcastMovementUpdate();
+ }
}
@@ -391,7 +397,8 @@ cArrowEntity::cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a
m_IsCritical(false),
m_Timer(0),
m_bIsCollected(false),
- m_HitBlockPos(Vector3i(0, 0, 0))
+ m_HitBlockPos(Vector3i(0, 0, 0)),
+ m_HitGroundTimer(0)
{
SetSpeed(a_Speed);
SetMass(0.1);
@@ -414,7 +421,8 @@ cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) :
m_IsCritical((a_Force >= 1)),
m_Timer(0),
m_bIsCollected(false),
- m_HitBlockPos(0, 0, 0)
+ m_HitBlockPos(0, 0, 0),
+ m_HitGroundTimer(0)
{
}
@@ -440,37 +448,25 @@ bool cArrowEntity::CanPickup(const cPlayer & a_Player) const
void cArrowEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace)
{
- if (a_HitFace == BLOCK_FACE_NONE)
- {
- return;
- }
+ if (a_HitFace == BLOCK_FACE_NONE) { return; }
super::OnHitSolidBlock(a_HitPos, a_HitFace);
int a_X = (int)a_HitPos.x, a_Y = (int)a_HitPos.y, a_Z = (int)a_HitPos.z;
-
- if (a_HitFace != BLOCK_FACE_YP)
- {
- AddFaceDirection(a_X, a_Y, a_Z, a_HitFace);
- }
- else if (a_HitFace == BLOCK_FACE_YP) // These conditions because xoft got a little confused on block face directions, so AddFace works with all but YP & YM
- {
- a_Y--;
- }
- else
+
+ switch (a_HitFace)
{
- a_Y++;
+ case BLOCK_FACE_XM: // Strangely, bounding boxes / block tracers return the actual block for these two directions, so AddFace not needed
+ case BLOCK_FACE_YM:
+ {
+ break;
+ }
+ default: AddFaceDirection(a_X, a_Y, a_Z, a_HitFace, true);
}
m_HitBlockPos = Vector3i(a_X, a_Y, a_Z);
// Broadcast arrow hit sound
m_World->BroadcastSoundEffect("random.bowhit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64));
-
- // Broadcast the position and speed packets before teleporting:
- BroadcastMovementUpdate();
-
- // Teleport the entity to the exact hit coords:
- m_World->BroadcastTeleportEntity(*this);
}
@@ -542,6 +538,24 @@ void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk)
if (m_IsInGround)
{
+ // When an arrow hits, the client doesn't think its in the ground and keeps on moving, IF BroadcastMovementUpdate() and TeleportEntity was called during flight, AT ALL
+ // Fix is to simply not sync with the client and send a teleport to confirm pos after arrow has stabilised (around 1 sec after landing)
+ // We can afford to do this because xoft's algorithm for trajectory is near perfect, so things are pretty close anyway without sync
+ // Besides, this seems to be what the vanilla server does, note how arrows teleport half a second after they hit to the server position
+
+ if (m_HitGroundTimer != -1) // Sent a teleport already, don't do again
+ {
+ if (m_HitGroundTimer > 1000.f) // Send after a second, could be less, but just in case
+ {
+ m_World->BroadcastTeleportEntity(*this);
+ m_HitGroundTimer = -1;
+ }
+ else
+ {
+ m_HitGroundTimer += a_Dt;
+ }
+ }
+
int RelPosX = m_HitBlockPos.x - a_Chunk.GetPosX() * cChunkDef::Width;
int RelPosZ = m_HitBlockPos.z - a_Chunk.GetPosZ() * cChunkDef::Width;
cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelPosX, RelPosZ);
@@ -651,6 +665,104 @@ void cThrownSnowballEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_Hi
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBottleOEnchantingEntity :
+
+cExpBottleEntity::cExpBottleEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) :
+super(pkExpBottle, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25)
+{
+ SetSpeed(a_Speed);
+}
+
+
+
+
+
+void cExpBottleEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace)
+{
+ // TODO: Spawn experience orbs
+
+ Destroy();
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFireworkEntity :
+
+cFireworkEntity::cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z) :
+super(pkFirework, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25)
+{
+}
+
+
+
+
+
+void cFireworkEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace)
+{
+ if ((a_HitFace != BLOCK_FACE_BOTTOM) && (a_HitFace != BLOCK_FACE_NONE))
+ {
+ return;
+ }
+
+ SetSpeed(0, 0, 0);
+ SetPosition(GetPosX(), GetPosY() - 0.5, GetPosZ());
+
+ std::cout << a_HitPos.x << " " << a_HitPos.y << " " << a_HitPos.z << std::endl;
+
+ m_IsInGround = true;
+
+ BroadcastMovementUpdate();
+}
+
+
+
+
+
+void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
+{
+ if (m_IsInGround)
+ {
+ if (a_Chunk.GetBlock((int)GetPosX(), (int)GetPosY() + 1, (int)GetPosZ()) == E_BLOCK_AIR)
+ {
+ m_IsInGround = false;
+ }
+ else
+ {
+ return;
+ }
+ }
+
+ Vector3d PerTickSpeed = GetSpeed() / 20;
+ Vector3d Pos = GetPosition();
+
+ // Trace the tick's worth of movement as a line:
+ Vector3d NextPos = Pos + PerTickSpeed;
+ cProjectileTracerCallback TracerCallback(this);
+ if (!cLineBlockTracer::Trace(*m_World, TracerCallback, Pos, NextPos))
+ {
+ // Something has been hit, abort all other processing
+ return;
+ }
+ // The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later in its SlowdownCoeff
+
+ // Update the position:
+ SetPosition(NextPos);
+
+ // Add slowdown and gravity effect to the speed:
+ Vector3d NewSpeed(GetSpeed());
+ NewSpeed.y += 2;
+ NewSpeed *= TracerCallback.GetSlowdownCoeff();
+ SetSpeed(NewSpeed);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cGhastFireballEntity :
cGhastFireballEntity::cGhastFireballEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) :