1 files changed, 275 insertions, 0 deletions

diff --git a/source/Pickup.cpp b/source/Pickup.cpp
new file mode 100644
index 000000000..8a32a328b
--- /dev/null
+++ b/source/Pickup.cpp
@@ -0,0 +1,275 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#ifndef _WIN32
+#include <cstdlib>
+#endif
+
+#include "Pickup.h"
+#include "ClientHandle.h"
+#include "Inventory.h"
+#include "World.h"
+#include "WaterSimulator.h"
+#include "Server.h"
+#include "Player.h"
+#include "PluginManager.h"
+#include "Item.h"
+#include "Root.h"
+#include "Tracer.h"
+
+#include "Vector3d.h"
+#include "Vector3f.h"
+
+
+
+
+
+CLASS_DEFINITION( cPickup, cEntity )
+
+
+
+
+
+cPickup::cPickup(int a_X, int a_Y, int a_Z, const cItem & a_Item, float a_SpeedX /* = 0.f */, float a_SpeedY /* = 0.f */, float a_SpeedZ /* = 0.f */)
+	:	cEntity( ((double)(a_X))/32, ((double)(a_Y))/32, ((double)(a_Z))/32 )
+	, m_Speed( a_SpeedX, a_SpeedY, a_SpeedZ )
+	, m_bOnGround( false )
+	, m_bReplicated( false )
+	, m_Timer( 0.f )
+	, m_Item( new cItem( a_Item ) )
+	, m_bCollected( false )
+{
+	// LOGD("New pickup: ID(%i) Amount(%i) Health(%i)", m_Item.m_ItemID, m_Item.m_ItemCount, m_Item.m_ItemHealth );
+
+	m_EntityType = eEntityType_Pickup;
+}
+
+
+
+
+
+cPickup::~cPickup()
+{
+	delete m_Item;
+}
+
+
+
+
+
+void cPickup::Initialize(cWorld * a_World)
+{
+	super::Initialize(a_World);
+	a_World->BroadcastSpawn(*this);
+}
+
+
+
+
+
+void cPickup::SpawnOn(cClientHandle & a_Client)
+{
+	a_Client.SendPickupSpawn(*this);	
+}
+
+
+
+
+
+void cPickup::Tick(float a_Dt)
+{
+	m_Timer += a_Dt;
+	a_Dt = a_Dt / 1000.f;
+	if(m_bCollected)
+	{
+		if(m_Timer > 500.f) // 0.5 second
+		{
+			Destroy();
+			return;
+		}
+	}
+
+	if( m_Timer > 1000*60*5 ) // 5 minutes
+	{
+		Destroy();
+		return;
+	}
+
+	if( m_Pos.y < 0 ) // Out of this world!
+	{
+		Destroy();
+		return;
+	}
+
+	if (!m_bCollected)
+	{
+		HandlePhysics(a_Dt);
+	}
+
+	if (!m_bReplicated || m_bDirtyPosition)
+	{
+		MoveToCorrectChunk();
+		m_bReplicated = true;
+		m_bDirtyPosition = false;
+		GetWorld()->BroadcastTeleportEntity(*this);
+	}
+}
+
+
+
+
+
+void cPickup::HandlePhysics(float a_Dt)
+{
+	m_ResultingSpeed.Set(0.f, 0.f, 0.f);
+	cWorld * World = GetWorld();
+
+	if( m_bOnGround ) // check if it's still on the ground
+	{
+		int BlockX = (m_Pos.x)<0 ? (int)m_Pos.x-1 : (int)m_Pos.x;
+		int BlockZ = (m_Pos.z)<0 ? (int)m_Pos.z-1 : (int)m_Pos.z;
+		char BlockBelow = World->GetBlock( BlockX, (int)m_Pos.y -1, BlockZ );
+		//Not only air, falls through water ;)
+		if( BlockBelow == E_BLOCK_AIR || IsBlockWater(BlockBelow))
+		{
+			m_bOnGround = false;
+		}
+		char Block = World->GetBlock( BlockX, (int)m_Pos.y - (int)m_bOnGround, BlockZ );
+		char BlockIn = World->GetBlock( BlockX, (int)m_Pos.y, BlockZ );
+
+		if( IsBlockLava(Block) || Block == E_BLOCK_FIRE
+			|| IsBlockLava(BlockIn) || BlockIn == E_BLOCK_FIRE)
+		{
+			m_bCollected = true;
+			m_Timer = 0;
+			return;
+		}
+
+		if( BlockIn != E_BLOCK_AIR && !IsBlockWater(BlockIn) ) // If in ground itself, push it out
+		{
+			m_bOnGround = true;
+			m_Pos.y += 0.2;
+			m_bReplicated = false;
+		}
+		m_Speed.x *= 0.7f/(1+a_Dt);
+		if( fabs(m_Speed.x) < 0.05 ) m_Speed.x = 0;
+		m_Speed.z *= 0.7f/(1+a_Dt);
+		if( fabs(m_Speed.z) < 0.05 ) m_Speed.z = 0;
+	}
+
+
+	//get flowing direction
+	Direction WaterDir = World->GetWaterSimulator()->GetFlowingDirection((int) m_Pos.x - 1, (int) m_Pos.y, (int) m_Pos.z - 1);
+
+
+	m_WaterSpeed *= 0.9f;		//Keep old speed but lower it
+
+	switch(WaterDir)
+	{
+		case X_PLUS:
+			m_WaterSpeed.x = 1.f;
+			m_bOnGround = false;
+			break;
+		case X_MINUS:
+			m_WaterSpeed.x = -1.f;
+			m_bOnGround = false;
+			break;
+		case Z_PLUS:
+			m_WaterSpeed.z = 1.f;
+			m_bOnGround = false;
+			break;
+		case Z_MINUS:
+			m_WaterSpeed.z = -1.f;
+			m_bOnGround = false;
+			break;
+		
+	default:
+		break;
+	}
+
+	m_ResultingSpeed += m_WaterSpeed;
+	
+
+	if( !m_bOnGround )
+	{
+
+		float Gravity = -9.81f*a_Dt;
+		m_Speed.y += Gravity;
+
+		// Set to hit position
+		m_ResultingSpeed += m_Speed;
+
+		cTracer Tracer( GetWorld() );
+		int Ret = Tracer.Trace( m_Pos, m_Speed, 2 );
+		if( Ret ) // Oh noez! we hit something
+		{
+			
+
+			if( (Tracer.RealHit - Vector3f(m_Pos)).SqrLength() <= ( m_ResultingSpeed * a_Dt ).SqrLength() )
+			{
+				m_bReplicated = false; // It's only interesting to replicate when we actually hit something...
+				if( Ret == 1 )
+				{
+
+					if( Tracer.HitNormal.x != 0.f ) m_Speed.x = 0.f;
+					if( Tracer.HitNormal.y != 0.f ) m_Speed.y = 0.f;
+					if( Tracer.HitNormal.z != 0.f ) m_Speed.z = 0.f;
+
+					if( Tracer.HitNormal.y > 0 ) // means on ground
+					{
+						m_bOnGround = true;
+					}
+				}
+				m_Pos = Tracer.RealHit;
+				m_Pos += Tracer.HitNormal * 0.2f;
+
+			}
+			else
+				m_Pos += m_ResultingSpeed*a_Dt;
+		}
+		else
+		{	// We didn't hit anything, so move =]
+			m_Pos += m_ResultingSpeed * a_Dt;
+		}
+	}
+	//Usable for debugging
+	//SetPosition(m_Pos.x, m_Pos.y, m_Pos.z);
+}
+
+
+
+
+
+bool cPickup::CollectedBy( cPlayer* a_Dest )
+{
+	if (m_bCollected)
+	{
+		return false; // It's already collected!
+	}
+	
+	// 800 is to long
+	if (m_Timer < 500.f)
+	{
+		return false; // Not old enough
+	}
+
+	if (cRoot::Get()->GetPluginManager()->CallHookCollectPickup(a_Dest, *this))
+	{
+		return false;
+	}
+
+	if (a_Dest->GetInventory().AddItem(*m_Item))
+	{
+		m_World->BroadcastCollectPickup(*this, *a_Dest);
+
+		m_bCollected = true;
+		m_Timer = 0;
+		return true;
+	}
+
+	return false;
+}
+
+
+
+