Merge pull request #442 from mc-server/Nether_Wart

Implented Nether Wart.

src/Blocks/BlockHandler.cpp

@@ -40,6 +40,7 @@
 #include "BlockMelon.h"
 #include "BlockMushroom.h"
 #include "BlockMycelium.h"
+#include "BlockNetherWart.h"
 #include "BlockNote.h"
 #include "BlockOre.h"
 #include "BlockPiston.h"
@@ -160,6 +161,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType)
 		case E_BLOCK_MYCELIUM:              return new cBlockMyceliumHandler        (a_BlockType);
 		case E_BLOCK_NETHER_BRICK_STAIRS:   return new cBlockStairsHandler          (a_BlockType);
 		case E_BLOCK_NETHER_PORTAL:         return new cBlockPortalHandler          (a_BlockType);
+		case E_BLOCK_NETHER_WART:           return new cBlockNetherWartHandler      (a_BlockType);
 		case E_BLOCK_NOTE_BLOCK:            return new cBlockNoteHandler            (a_BlockType);
 		case E_BLOCK_PISTON:                return new cBlockPistonHandler          (a_BlockType);
 		case E_BLOCK_PISTON_EXTENSION:      return new cBlockPistonHeadHandler      (           );

src/Blocks/BlockNetherWart.h

@@ -0,0 +1,52 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+#include "../MersenneTwister.h"
+#include "../World.h"
+
+
+
+
+
+/// Common class that takes care of carrots, potatoes and wheat
+class cBlockNetherWartHandler :
+	public cBlockHandler
+{
+public:
+	cBlockNetherWartHandler(BLOCKTYPE a_BlockType)
+		: cBlockHandler(a_BlockType)
+	{
+	}
+
+	
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_Meta) override
+	{
+		MTRand rand;
+
+		if (a_Meta == 0x7)
+		{
+			// Is fully grown, drop the entire produce:
+			a_Pickups.push_back(cItem(E_ITEM_NETHER_WART, 1 + (int)(rand.randInt(2) + rand.randInt(2)) / 2, 0));
+		}
+		else
+		{
+			a_Pickups.push_back(cItem(E_ITEM_NETHER_WART));
+		}
+	}
+
+	void OnUpdate(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
+	{
+		NIBBLETYPE Meta     = a_Chunk.GetMeta      (a_RelX, a_RelY, a_RelZ);
+
+		if (Meta < 7)
+		{
+			a_Chunk.FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_NETHER_WART, ++Meta);
+		}
+	}
+
+	virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
+	{
+		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) == E_BLOCK_SOULSAND));
+	}
+} ;

src/Items/ItemHandler.cpp

@@ -23,6 +23,7 @@
 #include "ItemLeaves.h"
 #include "ItemLighter.h"
 #include "ItemMinecart.h"
+#include "ItemNetherWart.h"
 #include "ItemPickaxe.h"
 #include "ItemThrowable.h"
 #include "ItemRedstoneDust.h"
@@ -101,6 +102,7 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_ITEM_FIREWORK_ROCKET:   return new cItemFireworkHandler();
 		case E_ITEM_FLINT_AND_STEEL:   return new cItemLighterHandler(a_ItemType);
 		case E_ITEM_FLOWER_POT:        return new cItemFlowerPotHandler(a_ItemType);
+		case E_ITEM_NETHER_WART:       return new cItemNetherWartHandler(a_ItemType);
 		case E_ITEM_REDSTONE_DUST:     return new cItemRedstoneDustHandler(a_ItemType);
 		case E_ITEM_REDSTONE_REPEATER: return new cItemRedstoneRepeaterHandler(a_ItemType);
 		case E_ITEM_SHEARS:            return new cItemShearsHandler(a_ItemType);

src/Items/ItemNetherWart.h

@@ -0,0 +1,54 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "../World.h"
+
+
+
+
+
+class cItemNetherWartHandler :
+	public cItemHandler
+{
+public:
+	cItemNetherWartHandler(int a_ItemType) :
+		cItemHandler(a_ItemType)
+	{
+
+	}
+
+	virtual bool IsPlaceable(void) override
+	{
+		return true;
+	}
+
+	virtual bool GetPlacementBlockTypeMeta(
+		cWorld * a_World, cPlayer * a_Player,
+		int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, 
+		int a_CursorX, int a_CursorY, int a_CursorZ,
+		BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
+	) override
+	{
+		if (a_BlockFace != BLOCK_FACE_TOP)
+		{
+			// Only allow planting nether wart from the top side of the block
+			return false;
+		}
+		
+		// Only allow placement on farmland
+		int X = a_BlockX;
+		int Y = a_BlockY;
+		int Z = a_BlockZ;
+		AddFaceDirection(X, Y, Z, a_BlockFace, true);
+		if (a_World->GetBlock(X, Y, Z) != E_BLOCK_SOULSAND)
+		{
+			return false;
+		}
+
+		a_BlockMeta = 0;
+		a_BlockType = E_BLOCK_NETHER_WART;
+
+		return true;
+	}
+} ;