14 files changed, 211 insertions, 11 deletions

diff --git a/src/Mobs/Chicken.cpp b/src/Mobs/Chicken.cpp
index 087fd088a..fab92ce49 100644
--- a/src/Mobs/Chicken.cpp
+++ b/src/Mobs/Chicken.cpp
@@ -9,7 +9,6 @@
 
 
 
-
 cChicken::cChicken(void) :
 	super("Chicken", mtChicken, "mob.chicken.hurt", "mob.chicken.hurt", 0.3, 0.4),
 	m_EggDropTimer(0)
diff --git a/src/Mobs/Chicken.h b/src/Mobs/Chicken.h
index 979c4d8a0..a4c1d6b9e 100644
--- a/src/Mobs/Chicken.h
+++ b/src/Mobs/Chicken.h
@@ -19,8 +19,9 @@ public:
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) override;
 	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
 
-private:
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_SEEDS); }
 
+private:
 
 	int m_EggDropTimer;
 } ;
diff --git a/src/Mobs/Cow.cpp b/src/Mobs/Cow.cpp
index 9eb74dac2..d8e905217 100644
--- a/src/Mobs/Cow.cpp
+++ b/src/Mobs/Cow.cpp
@@ -41,5 +41,3 @@ void cCow::OnRightClicked(cPlayer & a_Player)
 	}
 }
 
-
-
diff --git a/src/Mobs/Cow.h b/src/Mobs/Cow.h
index 0391d4a31..973171ab5 100644
--- a/src/Mobs/Cow.h
+++ b/src/Mobs/Cow.h
@@ -19,6 +19,9 @@ public:
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
+
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_WHEAT); }
+
 } ;
 
 
diff --git a/src/Mobs/Mooshroom.cpp b/src/Mobs/Mooshroom.cpp
index 940e2db44..88101cd83 100644
--- a/src/Mobs/Mooshroom.cpp
+++ b/src/Mobs/Mooshroom.cpp
@@ -6,7 +6,6 @@
 
 
 
-
 // TODO: Milk Cow
 
 
@@ -30,4 +29,3 @@ void cMooshroom::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-
diff --git a/src/Mobs/Mooshroom.h b/src/Mobs/Mooshroom.h
index 73f6348b6..c94301098 100644
--- a/src/Mobs/Mooshroom.h
+++ b/src/Mobs/Mooshroom.h
@@ -18,6 +18,8 @@ public:
 	CLASS_PROTODEF(cMooshroom);
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) override;
+
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_WHEAT); }
 } ;
 
 
diff --git a/src/Mobs/PassiveMonster.cpp b/src/Mobs/PassiveMonster.cpp
index d774d3170..904cd63cc 100644
--- a/src/Mobs/PassiveMonster.cpp
+++ b/src/Mobs/PassiveMonster.cpp
@@ -3,7 +3,7 @@
 
 #include "PassiveMonster.h"
 #include "../World.h"
-
+#include "../Entities/Player.h"
 
 
 
@@ -39,6 +39,20 @@ void cPassiveMonster::Tick(float a_Dt, cChunk & a_Chunk)
 	{
 		CheckEventLostPlayer();
 	}
+	cItem FollowedItem = GetFollowedItem();
+	if (FollowedItem.IsEmpty())
+	{
+		return;
+	}
+	cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), (float)m_SightDistance);
+	if (a_Closest_Player != NULL)
+	{
+		if (a_Closest_Player->GetEquippedItem().IsEqual(FollowedItem))
+		{
+			Vector3d PlayerPos = a_Closest_Player->GetPosition();
+			MoveToPosition(PlayerPos);
+		}
+	}
 }
 
 
diff --git a/src/Mobs/PassiveMonster.h b/src/Mobs/PassiveMonster.h
index 14a6be6b1..0b3c155da 100644
--- a/src/Mobs/PassiveMonster.h
+++ b/src/Mobs/PassiveMonster.h
@@ -19,6 +19,9 @@ public:
 
 	/// When hit by someone, run away
 	virtual void DoTakeDamage(TakeDamageInfo & a_TDI) override;
+	/** Returns the item that the animal of this class follows when a player holds it in hand
+	Return an empty item not to follow (default). */
+	virtual const cItem GetFollowedItem(void) const { return cItem(); }
 
 } ;
 
diff --git a/src/Mobs/Pig.cpp b/src/Mobs/Pig.cpp
index 0871a38a9..d8f3dda37 100644
--- a/src/Mobs/Pig.cpp
+++ b/src/Mobs/Pig.cpp
@@ -73,5 +73,3 @@ void cPig::OnRightClicked(cPlayer & a_Player)
 
 
 
-
-
diff --git a/src/Mobs/Pig.h b/src/Mobs/Pig.h
index 4fd0d8db8..d434324c1 100644
--- a/src/Mobs/Pig.h
+++ b/src/Mobs/Pig.h
@@ -19,6 +19,9 @@ public:
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
+
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_CARROT); }
+
 	bool IsSaddled(void) const { return m_bIsSaddled; }
 
 private:
diff --git a/src/Mobs/Sheep.cpp b/src/Mobs/Sheep.cpp
index 702108ae4..4761103e5 100644
--- a/src/Mobs/Sheep.cpp
+++ b/src/Mobs/Sheep.cpp
@@ -97,3 +97,4 @@ void cSheep::Tick(float a_Dt, cChunk & a_Chunk)
 		}
 	}
 }
+
diff --git a/src/Mobs/Sheep.h b/src/Mobs/Sheep.h
index 4eee3db1c..402e8e61c 100644
--- a/src/Mobs/Sheep.h
+++ b/src/Mobs/Sheep.h
@@ -21,6 +21,8 @@ public:
 	virtual void OnRightClicked(cPlayer & a_Player) override;
 	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
 
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_WHEAT); }
+
 	bool IsSheared(void) const { return m_IsSheared; }
 	int GetFurColor(void) const { return m_WoolColor; }
 
diff --git a/src/Mobs/Villager.cpp b/src/Mobs/Villager.cpp
index c8ff4f101..44ec14295 100644
--- a/src/Mobs/Villager.cpp
+++ b/src/Mobs/Villager.cpp
@@ -3,6 +3,8 @@
 
 #include "Villager.h"
 #include "../World.h"
+#include "../BlockArea.h"
+#include "../Blocks/BlockHandler.h"
 
 
 
@@ -10,7 +12,9 @@
 
 cVillager::cVillager(eVillagerType VillagerType) :
 	super("Villager", mtVillager, "", "", 0.6, 1.8),
-	m_Type(VillagerType)
+	m_Type(VillagerType),
+	m_VillagerAction(false),
+	m_ActionCountDown(-1)
 {
 }
 
@@ -33,3 +37,153 @@ void cVillager::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
+
+void cVillager::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	super::Tick(a_Dt, a_Chunk);
+
+	if (m_ActionCountDown > -1)
+	{
+		m_ActionCountDown--;
+		if (m_ActionCountDown == 0)
+		{
+			switch (m_Type)
+			{
+				case vtFarmer: 
+				{
+					HandleFarmerPlaceCrops();
+				}
+			}
+		}
+		return;
+	}
+
+	if (m_VillagerAction)
+	{
+		switch (m_Type)
+		{
+			case vtFarmer:
+			{
+				HandleFarmerTryHarvestCrops();
+			}
+		}
+		m_VillagerAction = false;
+		return;
+	}
+
+	// Don't always try to do a special action. Each tick has 1% to do a special action.
+	if (m_World->GetTickRandomNumber(99) != 0)
+	{
+		return;
+	}
+
+	switch (m_Type)
+	{
+		case vtFarmer:
+		{
+			HandleFarmerPrepareFarmCrops();
+		}
+	}
+}
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Farmer functions.
+void cVillager::HandleFarmerPrepareFarmCrops()
+{
+	if (!m_World->VillagersShouldHarvestCrops())
+	{
+		return;
+	}
+
+	cBlockArea Surrounding;
+	/// Read a 11x7x11 area.
+	Surrounding.Read(
+		m_World,
+		(int) GetPosX() - 5,
+		(int) GetPosX() + 5,
+		(int) GetPosY() - 3,
+		(int) GetPosY() + 3,
+		(int) GetPosZ() - 5,
+		(int) GetPosZ() + 5
+	);
+
+	for (int I = 0; I < 5; I++)
+	{
+		for (int Y = 0; Y < 6; Y++)
+		{
+			// Pick random coordinates and check for crops.
+			int X = m_World->GetTickRandomNumber(11);
+			int Z = m_World->GetTickRandomNumber(11);
+
+			// A villager can't farm this.
+			if (!IsBlockFarmable(Surrounding.GetRelBlockType(X, Y, Z)))
+			{
+				continue;
+			}
+			if (Surrounding.GetRelBlockMeta(X, Y, Z) != 0x7)
+			{
+				continue;
+			}
+
+			m_VillagerAction = true;
+			m_CropsPos = Vector3i((int) GetPosX() + X - 5, (int) GetPosY() + Y - 3, (int) GetPosZ() + Z - 5);
+			MoveToPosition(Vector3f((float) (m_CropsPos.x + 0.5), (float) m_CropsPos.y, (float) (m_CropsPos.z + 0.5)));
+			return;
+		} // for Y loop.
+	} // Repeat the procces 5 times.
+}
+
+
+
+
+
+void cVillager::HandleFarmerTryHarvestCrops()
+{
+	// Harvest the crops if the villager isn't moving and if the crops are closer then 2 blocks.
+	if (!m_bMovingToDestination && (GetPosition() - m_CropsPos).Length() < 2)
+	{
+		// Check if the blocks didn't change while the villager was walking to the coordinates.
+		BLOCKTYPE CropBlock = m_World->GetBlock(m_CropsPos.x, m_CropsPos.y, m_CropsPos.z);
+		if (IsBlockFarmable(CropBlock) && m_World->GetBlockMeta(m_CropsPos.x, m_CropsPos.y, m_CropsPos.z) == 0x7)
+		{
+			cBlockHandler * Handler = cBlockHandler::GetBlockHandler(CropBlock);
+			Handler->DropBlock(m_World, this, m_CropsPos.x, m_CropsPos.y, m_CropsPos.z);
+			m_World->SetBlock(m_CropsPos.x, m_CropsPos.y, m_CropsPos.z, E_BLOCK_AIR, 0);
+			m_ActionCountDown = 20;
+		}
+	}
+}
+
+
+
+
+void cVillager::HandleFarmerPlaceCrops()
+{
+	// Check if there is still farmland at the spot where the crops were.
+	if (m_World->GetBlock(m_CropsPos.x, m_CropsPos.y - 1, m_CropsPos.z) == E_BLOCK_FARMLAND)
+	{
+		m_World->SetBlock(m_CropsPos.x, m_CropsPos.y, m_CropsPos.z, E_BLOCK_CROPS, 0);
+	}
+}
+
+
+
+
+
+bool cVillager::IsBlockFarmable(BLOCKTYPE a_BlockType)
+{
+	switch (a_BlockType)
+	{
+		case E_BLOCK_CROPS:
+		case E_BLOCK_POTATOES:
+		case E_BLOCK_CARROTS:
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
diff --git a/src/Mobs/Villager.h b/src/Mobs/Villager.h
index 4cd9aaa8e..b99ae876f 100644
--- a/src/Mobs/Villager.h
+++ b/src/Mobs/Villager.h
@@ -29,12 +29,36 @@ public:
 
 	CLASS_PROTODEF(cVillager);
 
+	// Override functions
 	virtual void DoTakeDamage(TakeDamageInfo & a_TDI) override;
-	int GetVilType(void) const { return m_Type; }	
+	virtual void Tick        (float a_Dt, cChunk & a_Chunk) override;
+
+	// cVillager functions
+	/** return true if the given blocktype are: crops, potatoes or carrots.*/
+	bool IsBlockFarmable(BLOCKTYPE a_BlockType);
+
+	//////////////////////////////////////////////////////////////////
+	// Farmer functions
+	/** It searches in a 11x7x11 area for crops. If it found some it will navigate to them.*/
+	void HandleFarmerPrepareFarmCrops();
+
+	/** Looks if the farmer has reached it's destination, and if it's still crops and the destination is closer then 2 blocks it will harvest them.*/
+	void HandleFarmerTryHarvestCrops();
+
+	/** Replaces the crops he harvested.*/
+	void HandleFarmerPlaceCrops();
+
+	// Get and set functions.
+	int      GetVilType(void)              const { return m_Type; }	
+	Vector3i GetCropsPos(void)             const { return m_CropsPos; }
+	bool     DoesHaveActionActivated(void) const { return m_VillagerAction; }
 
 private:
 
+	int m_ActionCountDown;
 	int m_Type;
+	bool m_VillagerAction;
+	Vector3i m_CropsPos;
 
 } ;