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-rw-r--r--src/Entities/ExpOrb.cpp94
-rw-r--r--src/Entities/ExpOrb.h3
2 files changed, 74 insertions, 23 deletions
diff --git a/src/Entities/ExpOrb.cpp b/src/Entities/ExpOrb.cpp
index ecc2860b0..eda96bbc5 100644
--- a/src/Entities/ExpOrb.cpp
+++ b/src/Entities/ExpOrb.cpp
@@ -12,7 +12,8 @@ cExpOrb::cExpOrb(double a_X, double a_Y, double a_Z, int a_Reward)
{
SetMaxHealth(5);
SetHealth(5);
- SetGravity(0);
+ SetGravity(-16);
+ SetAirDrag(0.02f);
}
@@ -26,7 +27,8 @@ cExpOrb::cExpOrb(const Vector3d & a_Pos, int a_Reward)
{
SetMaxHealth(5);
SetHealth(5);
- SetGravity(0);
+ SetGravity(-16);
+ SetAirDrag(0.02f);
}
@@ -47,33 +49,52 @@ void cExpOrb::SpawnOn(cClientHandle & a_Client)
void cExpOrb::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
DetectCacti();
+ m_TicksAlive++;
- // Check player proximity no more than twice per second
- if ((m_TicksAlive % 10) == 0)
+ // Find closest player within 6.5 meter (slightly increase detect range to have same effect in client)
+ bool FoundPlayer = m_World->DoWithNearestPlayer(GetPosition(), 6.5, [&](cPlayer & a_Player) -> bool
{
- cPlayer * a_ClosestPlayer(m_World->FindClosestPlayer(Vector3f(GetPosition()), 5, false));
- if ((a_ClosestPlayer != nullptr) && (!a_ClosestPlayer->IsGameModeSpectator()))
+ Vector3f a_PlayerPos(a_Player.GetPosition());
+ a_PlayerPos.y += 0.8f;
+ Vector3f a_Distance = a_PlayerPos - GetPosition();
+ double Distance = a_Distance.Length();
+
+ if (Distance < 0.7f)
+ {
+ a_Player.DeltaExperience(m_Reward);
+
+ m_World->BroadcastSoundEffect("entity.experience_orb.pickup", GetPosition(), 0.5f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
+ Destroy(true);
+ return true;
+ }
+
+ // Experience orb will "float" or glide toward the player up to a distance of 6 blocks.
+ // speeding up as they get nearer to the player, Speed range 6 - 12 m per second, accelerate 60 m per second^2
+ Vector3d SpeedDelta(a_Distance);
+ SpeedDelta.Normalize();
+ SpeedDelta *= 3;
+
+ Vector3d CurrentSpeed = GetSpeed();
+ CurrentSpeed += SpeedDelta;
+ if (CurrentSpeed.Length() > 12)
{
- Vector3f a_PlayerPos(a_ClosestPlayer->GetPosition());
- a_PlayerPos.y++;
- Vector3f a_Distance(a_PlayerPos - GetPosition());
- double Distance(a_Distance.Length());
- if (Distance < 0.5f)
- {
- LOGD("Player %s picked up an ExpOrb. His reward is %i", a_ClosestPlayer->GetName().c_str(), m_Reward);
- a_ClosestPlayer->DeltaExperience(m_Reward);
-
- m_World->BroadcastSoundEffect("entity.experience_orb.pickup", GetPosition(), 0.5f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
-
- Destroy(true);
- return;
- }
- SetSpeedX((a_PlayerPos.x - GetPosition().x) * 2.0);
- SetSpeedY((a_PlayerPos.y - GetPosition().y) * 2.0);
- SetSpeedZ((a_PlayerPos.z - GetPosition().z) * 2.0);
+ CurrentSpeed.Normalize();
+ CurrentSpeed *= 12;
}
+
+ SetSpeed(CurrentSpeed);
+ m_Gravity = 0;
+
+ return true;
+ }, false, true); // Don't check line of sight, ignore spectator mode player
+
+ if (!FoundPlayer)
+ {
+ m_Gravity = -16;
}
+
HandlePhysics(a_Dt, a_Chunk);
+ BroadcastMovementUpdate();
m_Timer += a_Dt;
if (m_Timer >= std::chrono::minutes(5))
@@ -96,3 +117,30 @@ bool cExpOrb::DoTakeDamage(TakeDamageInfo & a_TDI)
return super::DoTakeDamage(a_TDI);
}
+
+
+
+
+
+std::vector<int> cExpOrb::Split(int a_Reward)
+{
+ const static std::array<int, 11> BaseValue = {{1, 3, 7, 17, 37, 73, 149, 307, 617, 1237, 2477}};
+
+ std::vector<int> Rewards;
+ size_t Index = BaseValue.size() - 1; // Last one
+
+ while (a_Reward > 0)
+ {
+ while (a_Reward < BaseValue[Index])
+ {
+ Index--;
+ }
+
+ a_Reward -= BaseValue[Index];
+ Rewards.push_back(BaseValue[Index]);
+ }
+
+ return Rewards;
+}
+
+
diff --git a/src/Entities/ExpOrb.h b/src/Entities/ExpOrb.h
index 20ac6e304..c4519e963 100644
--- a/src/Entities/ExpOrb.h
+++ b/src/Entities/ExpOrb.h
@@ -44,6 +44,9 @@ public:
// tolua_end
+ /** Split reward into small values according to regular Minecraft rules */
+ static std::vector<int> Split(int a_Reward);
+
protected:
int m_Reward;