Merge pull request #594 from mc-server/Villager_Update

Villager update

src/BlockID.cpp

@@ -767,6 +767,7 @@ public:
 		g_BlockIsSolid[E_BLOCK_MELON_STEM]            = false;
 		g_BlockIsSolid[E_BLOCK_NETHER_PORTAL]         = false;
 		g_BlockIsSolid[E_BLOCK_PISTON_EXTENSION]      = false;
+		g_BlockIsSolid[E_BLOCK_POTATOES]              = false;
 		g_BlockIsSolid[E_BLOCK_POWERED_RAIL]          = false;
 		g_BlockIsSolid[E_BLOCK_RAIL]                  = false;
 		g_BlockIsSolid[E_BLOCK_REDSTONE_TORCH_OFF]    = false;

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;
+}
+

src/Mobs/Villager.h

@@ -29,12 +29,36 @@ public:
 
 	CLASS_PROTODEF(cVillager);
 
+	// Override functions
 	virtual void DoTakeDamage(TakeDamageInfo & a_TDI) override;
+	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;
 
 } ;
 

src/World.cpp

@@ -547,6 +547,7 @@ void cWorld::Start(void)
 	m_IsDeepSnowEnabled         = IniFile.GetValueSetB("Physics",       "DeepSnow",                  false);
 	m_ShouldLavaSpawnFire       = IniFile.GetValueSetB("Physics",       "ShouldLavaSpawnFire",       true);
 	m_bCommandBlocksEnabled     = IniFile.GetValueSetB("Mechanics",     "CommandBlocksEnabled",      false);
+	m_VillagersShouldHarvestCrops = IniFile.GetValueSetB("Monsters",    "VillagersShouldHarvestCrops", true);
 
 	m_GameMode = (eGameMode)IniFile.GetValueSetI("GameMode", "GameMode", m_GameMode);
 

src/World.h

@@ -138,6 +138,8 @@ public:
 	
 	bool ShouldLavaSpawnFire(void) const { return m_ShouldLavaSpawnFire; }
 	
+	bool VillagersShouldHarvestCrops(void) const { return m_VillagersShouldHarvestCrops; }
+
 	eDimension GetDimension(void) const { return m_Dimension; }
 
 	/** Returns the world height at the specified coords; waits for the chunk to get loaded / generated */
@@ -743,6 +745,7 @@ private:
 	bool m_bEnabledPVP;
 	bool m_IsDeepSnowEnabled;
 	bool m_ShouldLavaSpawnFire;
+	bool m_VillagersShouldHarvestCrops;
 	
 	std::vector<BlockTickQueueItem *> m_BlockTickQueue;
 	std::vector<BlockTickQueueItem *> m_BlockTickQueueCopy;	 // Second is for safely removing the objects from the queue